cb5892e66ce5c2e7b5ab9946e77e1e634fdc5588a729ad6fdaaa4fd822f27051

Analysis

max time kernel
150s
max time network
165s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
26-11-2022 18:03

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General

Target

Install.exe
Size

56KB
MD5

b35a79c7cfee27644c72c02f713f032a
SHA1

16258f41d5c08019a002a484284176f8ce44072c
SHA256

5216d2ca86242f768b204637536a1b3ad2f6c80af6cad5ef798e757667608ef1
SHA512

f235e663022818a561a4b368477f5384c72cb2deb48e43d5551dda8a1df888e5bc1413eb92c49a71967472b472a7bbaefd539477332449d127754840bc40e346
SSDEEP

768:QUuzp0fg4fyRR5tHC4kt5Jp9k0FBxTJp8jSE5+Nk/QBeLPJcukgb4a:zfFYrHzmJcABxt2mE5OAkYJdz4a

Score

7^/10

Malware Config

Signatures

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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	Install.exe

Loads dropped DLL 1 IoCs

pid	Process
1328	Install.exe

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

System Information Discovery
T1082

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4424	PING.EXE

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
1328	Install.exe
1328	Install.exe
1328	Install.exe
1328	Install.exe
1328	Install.exe
1328	Install.exe
1328	Install.exe
1328	Install.exe
1328	Install.exe
1328	Install.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1328	Install.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1328	Install.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1328 wrote to memory of 616	1328	Install.exe	88
PID 1328 wrote to memory of 616	1328	Install.exe	88
PID 1328 wrote to memory of 616	1328	Install.exe	88
PID 616 wrote to memory of 4424	616	cmd.exe	90
PID 616 wrote to memory of 4424	616	cmd.exe	90
PID 616 wrote to memory of 4424	616	cmd.exe	90

C:\Users\Admin\AppData\Local\Temp\Install.exe
"C:\Users\Admin\AppData\Local\Temp\Install.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1328
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 -n 1 && del /f/q "C:\Users\Admin\AppData\Local\Temp\Install.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:616
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 1
    3⤵
    - Runs ping.exe
    PID:4424

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\240622734.dll

Filesize
26KB

MD5
d577f66de7124b80ef14b558be6a90f9

SHA1
688c3cab5c53f1708adbf7f5e548deec69a316e2

SHA256
4f14d7c1b36f30f3965cd3610538e3246cb6df8bf6472cf48eece6d9d516179c

SHA512
16427d1eeab8ea8cdef25983ee14e12c783afbee1ccd7b0996a1481b1070267f0db61a9e3d76c69eec46379ed45c0da36e8cae167ecc2e8841c7fd7fc533ebbe

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