9711e0f1f4b1ea97ecf7ddfe05b27c8f712533c2141f6e2b064d636076e76652

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
02/12/2024, 21:27

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General

Target

AWB #281024..scr
Size

972KB
MD5

dbea8d0867f7778d1a4ac7ee5c2ddcc9
SHA1

ac3744a6d1ad36ef9d57fbb6a2f40f1a45f63637
SHA256

88bb9bed8031190a16d24e5e26de559fb3ba8f7cda489b8f09cb40e2e1f2df9a
SHA512

d01230eaf87229e58627d763352b56e5cca8bc4e55fe852ada3df1e16bd6b1285e110e3c7507e5a50c37c391541bf1bcad257f0eebfb55231162edc8ef15a666
SSDEEP

12288:OAgyHUjQ+OXk4lpfL0ND1+EpT3T8DRngh7S54yTf+GYATqgm9MuJr6rq4YjyndWm:ZUj4uhIEpTQVMA2l9MucrZk6z

Score

8^/10

discovery execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2972	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2372 set thread context of 276	2372	AWB #281024..scr	34

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 3 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	AWB #281024..scr
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
280	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
2372	AWB #281024..scr
2372	AWB #281024..scr
2372	AWB #281024..scr
2972	powershell.exe
276	AWB #281024..scr
276	AWB #281024..scr
276	AWB #281024..scr
276	AWB #281024..scr
276	AWB #281024..scr
276	AWB #281024..scr
276	AWB #281024..scr

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2372	AWB #281024..scr
Token: SeDebugPrivilege	2972	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 2972	2372	AWB #281024..scr	30
PID 2372 wrote to memory of 2972	2372	AWB #281024..scr	30
PID 2372 wrote to memory of 2972	2372	AWB #281024..scr	30
PID 2372 wrote to memory of 2972	2372	AWB #281024..scr	30
PID 2372 wrote to memory of 280	2372	AWB #281024..scr	32
PID 2372 wrote to memory of 280	2372	AWB #281024..scr	32
PID 2372 wrote to memory of 280	2372	AWB #281024..scr	32
PID 2372 wrote to memory of 280	2372	AWB #281024..scr	32
PID 2372 wrote to memory of 276	2372	AWB #281024..scr	34
PID 2372 wrote to memory of 276	2372	AWB #281024..scr	34
PID 2372 wrote to memory of 276	2372	AWB #281024..scr	34
PID 2372 wrote to memory of 276	2372	AWB #281024..scr	34
PID 2372 wrote to memory of 276	2372	AWB #281024..scr	34
PID 2372 wrote to memory of 276	2372	AWB #281024..scr	34
PID 2372 wrote to memory of 276	2372	AWB #281024..scr	34

C:\Users\Admin\AppData\Local\Temp\AWB #281024..scr
"C:\Users\Admin\AppData\Local\Temp\AWB #281024..scr" /S
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\zrjxKRHUf.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2972
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zrjxKRHUf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9270.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:280
- C:\Users\Admin\AppData\Local\Temp\AWB #281024..scr
  "C:\Users\Admin\AppData\Local\Temp\AWB #281024..scr"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:276

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp9270.tmp

Filesize
1KB

MD5
196b9b6c605c335d600f7d3ef4abf279

SHA1
1c6858993a568184751248e8d7d3823706a10cc2

SHA256
cb6a88cbcd860e51eec30986b559aa7201b3c3fb038b2a8430e774a926926a4e

SHA512
bf2b77f52018fbc750056fdd00f88565258011157edbe55ad936c4c72a0a3c24e876a2444b5f8f54ef346de25eb82cbcf280e1248a1201449abc847929f6af53

Download Submit
memory/276-14-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/276-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/276-17-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/276-12-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/2372-6-0x0000000001DB0000-0x0000000001E3E000-memory.dmp

Filesize
568KB

Download
memory/2372-0-0x0000000074E8E000-0x0000000074E8F000-memory.dmp

Filesize
4KB

Download
memory/2372-5-0x0000000074E80000-0x000000007556E000-memory.dmp

Filesize
6.9MB

Download
memory/2372-4-0x0000000074E8E000-0x0000000074E8F000-memory.dmp

Filesize
4KB

Download
memory/2372-20-0x0000000074E80000-0x000000007556E000-memory.dmp

Filesize
6.9MB

Download
memory/2372-3-0x00000000004E0000-0x00000000004FE000-memory.dmp

Filesize
120KB

Download
memory/2372-2-0x0000000074E80000-0x000000007556E000-memory.dmp

Filesize
6.9MB

Download
memory/2372-1-0x00000000002F0000-0x00000000003EA000-memory.dmp

Filesize
1000KB

Download