e8bcb865ff5ee99870542c355a09a16e747d8584a9570238bf186355f8b1391a

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19/09/2024, 01:52

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General

Target

Uucnlizpkt.exe
Size

1.9MB
MD5

7a4f264a627150c7219e2a69a35dcd81
SHA1

2dbe7109c79b647549e60c863fcb9abb7d88baeb
SHA256

f9db65a8ef2f120a498b87e976970f4a573eedab891dd6e74f5148504d3b3b7f
SHA512

28f32116a7ba3127624c2c9e0405ab7aa27b5f581997bfda4bc16f88a7599660c71a75a126754ac91d5fb2ae65ad6c0b43628d921fac82d8c2339e5688dca29e
SSDEEP

49152:CzHocBC3JylmEvNArNW6nPe+0FR4VJr3f2rCK/M:q5IZCmEF/6T0g3o

Score

10^/10

discovery persistence

Malware Config

Signatures

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 2000 created 3516	2000	Uucnlizpkt.exe	56

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-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Fxsjnled = "C:\\Users\\Admin\\AppData\\Roaming\\Fxsjnled.exe"	Uucnlizpkt.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2000 set thread context of 4368	2000	Uucnlizpkt.exe	84

System Location Discovery: System Language Discovery 1 TTPs 2 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	Uucnlizpkt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2000	Uucnlizpkt.exe
2000	Uucnlizpkt.exe
2000	Uucnlizpkt.exe
2000	Uucnlizpkt.exe
4368	InstallUtil.exe
4368	InstallUtil.exe
4368	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2000	Uucnlizpkt.exe
Token: SeDebugPrivilege	2000	Uucnlizpkt.exe
Token: SeDebugPrivilege	4368	InstallUtil.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2000 wrote to memory of 4368	2000	Uucnlizpkt.exe	84
PID 2000 wrote to memory of 4368	2000	Uucnlizpkt.exe	84
PID 2000 wrote to memory of 4368	2000	Uucnlizpkt.exe	84
PID 2000 wrote to memory of 4368	2000	Uucnlizpkt.exe	84
PID 2000 wrote to memory of 4368	2000	Uucnlizpkt.exe	84
PID 2000 wrote to memory of 4368	2000	Uucnlizpkt.exe	84
PID 2000 wrote to memory of 4368	2000	Uucnlizpkt.exe	84
PID 2000 wrote to memory of 4368	2000	Uucnlizpkt.exe	84

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3516
- C:\Users\Admin\AppData\Local\Temp\Uucnlizpkt.exe
  "C:\Users\Admin\AppData\Local\Temp\Uucnlizpkt.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2000
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4368

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2000-0-0x000000007518E000-0x000000007518F000-memory.dmp

Filesize
4KB

Download
memory/2000-1-0x0000000000270000-0x0000000000454000-memory.dmp

Filesize
1.9MB

Download
memory/2000-2-0x0000000004F90000-0x0000000005122000-memory.dmp

Filesize
1.6MB

Download
memory/2000-3-0x0000000004F90000-0x000000000511C000-memory.dmp

Filesize
1.5MB

Download
memory/2000-8-0x0000000004F90000-0x000000000511C000-memory.dmp

Filesize
1.5MB

Download
memory/2000-58-0x0000000004F90000-0x000000000511C000-memory.dmp

Filesize
1.5MB

Download
memory/2000-66-0x0000000004F90000-0x000000000511C000-memory.dmp

Filesize
1.5MB

Download
memory/2000-64-0x0000000004F90000-0x000000000511C000-memory.dmp

Filesize
1.5MB

Download
memory/2000-62-0x0000000004F90000-0x000000000511C000-memory.dmp

Filesize
1.5MB

Download
memory/2000-60-0x0000000004F90000-0x000000000511C000-memory.dmp

Filesize
1.5MB

Download
memory/2000-56-0x0000000004F90000-0x000000000511C000-memory.dmp

Filesize
1.5MB

Download
memory/2000-54-0x0000000004F90000-0x000000000511C000-memory.dmp

Filesize
1.5MB

Download
memory/2000-52-0x0000000004F90000-0x000000000511C000-memory.dmp

Filesize
1.5MB

Download
memory/2000-50-0x0000000004F90000-0x000000000511C000-memory.dmp

Filesize
1.5MB

Download
memory/2000-48-0x0000000004F90000-0x000000000511C000-memory.dmp

Filesize
1.5MB

Download
memory/2000-46-0x0000000004F90000-0x000000000511C000-memory.dmp

Filesize
1.5MB

Download
memory/2000-42-0x0000000004F90000-0x000000000511C000-memory.dmp

Filesize
1.5MB

Download
memory/2000-44-0x0000000004F90000-0x000000000511C000-memory.dmp

Filesize
1.5MB

Download
memory/2000-40-0x0000000004F90000-0x000000000511C000-memory.dmp

Filesize
1.5MB

Download
memory/2000-38-0x0000000004F90000-0x000000000511C000-memory.dmp

Filesize
1.5MB

Download
memory/2000-34-0x0000000004F90000-0x000000000511C000-memory.dmp

Filesize
1.5MB

Download
memory/2000-32-0x0000000004F90000-0x000000000511C000-memory.dmp

Filesize
1.5MB

Download
memory/2000-30-0x0000000004F90000-0x000000000511C000-memory.dmp

Filesize
1.5MB

Download
memory/2000-28-0x0000000004F90000-0x000000000511C000-memory.dmp

Filesize
1.5MB

Download
memory/2000-26-0x0000000004F90000-0x000000000511C000-memory.dmp

Filesize
1.5MB

Download
memory/2000-24-0x0000000004F90000-0x000000000511C000-memory.dmp

Filesize
1.5MB

Download
memory/2000-20-0x0000000004F90000-0x000000000511C000-memory.dmp

Filesize
1.5MB

Download
memory/2000-18-0x0000000004F90000-0x000000000511C000-memory.dmp

Filesize
1.5MB

Download
memory/2000-16-0x0000000004F90000-0x000000000511C000-memory.dmp

Filesize
1.5MB

Download
memory/2000-14-0x0000000004F90000-0x000000000511C000-memory.dmp

Filesize
1.5MB

Download
memory/2000-10-0x0000000004F90000-0x000000000511C000-memory.dmp

Filesize
1.5MB

Download
memory/2000-6-0x0000000004F90000-0x000000000511C000-memory.dmp

Filesize
1.5MB

Download
memory/2000-4-0x0000000004F90000-0x000000000511C000-memory.dmp

Filesize
1.5MB

Download
memory/2000-36-0x0000000004F90000-0x000000000511C000-memory.dmp

Filesize
1.5MB

Download
memory/2000-22-0x0000000004F90000-0x000000000511C000-memory.dmp

Filesize
1.5MB

Download
memory/2000-12-0x0000000004F90000-0x000000000511C000-memory.dmp

Filesize
1.5MB

Download
memory/2000-1077-0x0000000075180000-0x0000000075930000-memory.dmp

Filesize
7.7MB

Download
memory/2000-1078-0x0000000075180000-0x0000000075930000-memory.dmp

Filesize
7.7MB

Download
memory/2000-1079-0x00000000051C0000-0x00000000052CC000-memory.dmp

Filesize
1.0MB

Download
memory/2000-1080-0x0000000005150000-0x000000000519C000-memory.dmp

Filesize
304KB

Download
memory/2000-1081-0x0000000005500000-0x0000000005592000-memory.dmp

Filesize
584KB

Download
memory/2000-1082-0x00000000055E0000-0x0000000005646000-memory.dmp

Filesize
408KB

Download
memory/2000-1086-0x0000000075180000-0x0000000075930000-memory.dmp

Filesize
7.7MB

Download
memory/2000-1087-0x0000000075180000-0x0000000075930000-memory.dmp

Filesize
7.7MB

Download
memory/2000-1088-0x0000000075180000-0x0000000075930000-memory.dmp

Filesize
7.7MB

Download
memory/2000-1089-0x0000000006170000-0x0000000006714000-memory.dmp

Filesize
5.6MB

Download
memory/2000-1090-0x0000000005C20000-0x0000000005C74000-memory.dmp

Filesize
336KB

Download
memory/2000-1094-0x0000000075180000-0x0000000075930000-memory.dmp

Filesize
7.7MB

Download
memory/4368-1093-0x0000000000400000-0x00000000004D0000-memory.dmp

Filesize
832KB

Download
memory/4368-1095-0x0000000002660000-0x0000000002668000-memory.dmp

Filesize
32KB

Download
memory/4368-1096-0x0000000075180000-0x0000000075930000-memory.dmp

Filesize
7.7MB

Download
memory/4368-1097-0x0000000075180000-0x0000000075930000-memory.dmp

Filesize
7.7MB

Download
memory/4368-1098-0x0000000004DF0000-0x0000000004ED2000-memory.dmp

Filesize
904KB

Download
memory/4368-3945-0x0000000005010000-0x0000000005082000-memory.dmp

Filesize
456KB

Download
memory/4368-3947-0x0000000075180000-0x0000000075930000-memory.dmp

Filesize
7.7MB

Download