zgrat | bc89eefe8b6e92ba8da2014e114cc6efb51744ea6198bcb75a0d47ae50f2f576

Analysis

max time kernel
120s
max time network
124s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
17-04-2024 13:04

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General

Target

efc5c94996f4af7ae3a2d17dfc73dd7fe3f84269e73bb611e5806f2fd131a646.exe
Size

928KB
MD5

d616794167af5c88812aabaf65120fad
SHA1

ad1289875a05ba89cb6e10b08b95ee45bdf79d0f
SHA256

efc5c94996f4af7ae3a2d17dfc73dd7fe3f84269e73bb611e5806f2fd131a646
SHA512

8c2211e1472c53863d9c0bed2baf03c6ea2dd9b568480cee909a4fa157c229e3e651afc673168304bdfa875bf0eb056896dbb3906e1d66dcc8b23e4e075bceee
SSDEEP

24576:Jg7gUMoMnm9cU9VHb5Z763rs7u8BeV67s7nCrt8dB:vWMnGcU95nAsyTKug+

Score

10^/10

zgrat rat

Malware Config

Signatures

Detect ZGRat V1 1 IoCs

resource	yara_rule
behavioral1/memory/2968-7-0x00000000055B0000-0x0000000005674000-memory.dmp	family_zgrat_v1

ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

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

persistence

Scheduled Task/Job

T1053

pid	Process
2460	schtasks.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
2968	efc5c94996f4af7ae3a2d17dfc73dd7fe3f84269e73bb611e5806f2fd131a646.exe
2968	efc5c94996f4af7ae3a2d17dfc73dd7fe3f84269e73bb611e5806f2fd131a646.exe
2968	efc5c94996f4af7ae3a2d17dfc73dd7fe3f84269e73bb611e5806f2fd131a646.exe
2968	efc5c94996f4af7ae3a2d17dfc73dd7fe3f84269e73bb611e5806f2fd131a646.exe
2968	efc5c94996f4af7ae3a2d17dfc73dd7fe3f84269e73bb611e5806f2fd131a646.exe
2968	efc5c94996f4af7ae3a2d17dfc73dd7fe3f84269e73bb611e5806f2fd131a646.exe
2968	efc5c94996f4af7ae3a2d17dfc73dd7fe3f84269e73bb611e5806f2fd131a646.exe
2968	efc5c94996f4af7ae3a2d17dfc73dd7fe3f84269e73bb611e5806f2fd131a646.exe
2968	efc5c94996f4af7ae3a2d17dfc73dd7fe3f84269e73bb611e5806f2fd131a646.exe
2968	efc5c94996f4af7ae3a2d17dfc73dd7fe3f84269e73bb611e5806f2fd131a646.exe
2968	efc5c94996f4af7ae3a2d17dfc73dd7fe3f84269e73bb611e5806f2fd131a646.exe
2448	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2968	efc5c94996f4af7ae3a2d17dfc73dd7fe3f84269e73bb611e5806f2fd131a646.exe
Token: SeDebugPrivilege	2448	powershell.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2968 wrote to memory of 2448	2968	efc5c94996f4af7ae3a2d17dfc73dd7fe3f84269e73bb611e5806f2fd131a646.exe	30
PID 2968 wrote to memory of 2448	2968	efc5c94996f4af7ae3a2d17dfc73dd7fe3f84269e73bb611e5806f2fd131a646.exe	30
PID 2968 wrote to memory of 2448	2968	efc5c94996f4af7ae3a2d17dfc73dd7fe3f84269e73bb611e5806f2fd131a646.exe	30
PID 2968 wrote to memory of 2448	2968	efc5c94996f4af7ae3a2d17dfc73dd7fe3f84269e73bb611e5806f2fd131a646.exe	30
PID 2968 wrote to memory of 2460	2968	efc5c94996f4af7ae3a2d17dfc73dd7fe3f84269e73bb611e5806f2fd131a646.exe	31
PID 2968 wrote to memory of 2460	2968	efc5c94996f4af7ae3a2d17dfc73dd7fe3f84269e73bb611e5806f2fd131a646.exe	31
PID 2968 wrote to memory of 2460	2968	efc5c94996f4af7ae3a2d17dfc73dd7fe3f84269e73bb611e5806f2fd131a646.exe	31
PID 2968 wrote to memory of 2460	2968	efc5c94996f4af7ae3a2d17dfc73dd7fe3f84269e73bb611e5806f2fd131a646.exe	31
PID 2968 wrote to memory of 2712	2968	efc5c94996f4af7ae3a2d17dfc73dd7fe3f84269e73bb611e5806f2fd131a646.exe	34
PID 2968 wrote to memory of 2712	2968	efc5c94996f4af7ae3a2d17dfc73dd7fe3f84269e73bb611e5806f2fd131a646.exe	34
PID 2968 wrote to memory of 2712	2968	efc5c94996f4af7ae3a2d17dfc73dd7fe3f84269e73bb611e5806f2fd131a646.exe	34
PID 2968 wrote to memory of 2712	2968	efc5c94996f4af7ae3a2d17dfc73dd7fe3f84269e73bb611e5806f2fd131a646.exe	34
PID 2968 wrote to memory of 2364	2968	efc5c94996f4af7ae3a2d17dfc73dd7fe3f84269e73bb611e5806f2fd131a646.exe	35
PID 2968 wrote to memory of 2364	2968	efc5c94996f4af7ae3a2d17dfc73dd7fe3f84269e73bb611e5806f2fd131a646.exe	35
PID 2968 wrote to memory of 2364	2968	efc5c94996f4af7ae3a2d17dfc73dd7fe3f84269e73bb611e5806f2fd131a646.exe	35
PID 2968 wrote to memory of 2364	2968	efc5c94996f4af7ae3a2d17dfc73dd7fe3f84269e73bb611e5806f2fd131a646.exe	35
PID 2968 wrote to memory of 1608	2968	efc5c94996f4af7ae3a2d17dfc73dd7fe3f84269e73bb611e5806f2fd131a646.exe	36
PID 2968 wrote to memory of 1608	2968	efc5c94996f4af7ae3a2d17dfc73dd7fe3f84269e73bb611e5806f2fd131a646.exe	36
PID 2968 wrote to memory of 1608	2968	efc5c94996f4af7ae3a2d17dfc73dd7fe3f84269e73bb611e5806f2fd131a646.exe	36
PID 2968 wrote to memory of 1608	2968	efc5c94996f4af7ae3a2d17dfc73dd7fe3f84269e73bb611e5806f2fd131a646.exe	36
PID 2968 wrote to memory of 2428	2968	efc5c94996f4af7ae3a2d17dfc73dd7fe3f84269e73bb611e5806f2fd131a646.exe	37
PID 2968 wrote to memory of 2428	2968	efc5c94996f4af7ae3a2d17dfc73dd7fe3f84269e73bb611e5806f2fd131a646.exe	37
PID 2968 wrote to memory of 2428	2968	efc5c94996f4af7ae3a2d17dfc73dd7fe3f84269e73bb611e5806f2fd131a646.exe	37
PID 2968 wrote to memory of 2428	2968	efc5c94996f4af7ae3a2d17dfc73dd7fe3f84269e73bb611e5806f2fd131a646.exe	37
PID 2968 wrote to memory of 752	2968	efc5c94996f4af7ae3a2d17dfc73dd7fe3f84269e73bb611e5806f2fd131a646.exe	38
PID 2968 wrote to memory of 752	2968	efc5c94996f4af7ae3a2d17dfc73dd7fe3f84269e73bb611e5806f2fd131a646.exe	38
PID 2968 wrote to memory of 752	2968	efc5c94996f4af7ae3a2d17dfc73dd7fe3f84269e73bb611e5806f2fd131a646.exe	38
PID 2968 wrote to memory of 752	2968	efc5c94996f4af7ae3a2d17dfc73dd7fe3f84269e73bb611e5806f2fd131a646.exe	38

C:\Users\Admin\AppData\Local\Temp\efc5c94996f4af7ae3a2d17dfc73dd7fe3f84269e73bb611e5806f2fd131a646.exe
"C:\Users\Admin\AppData\Local\Temp\efc5c94996f4af7ae3a2d17dfc73dd7fe3f84269e73bb611e5806f2fd131a646.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2968
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\vrlnli.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2448
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vrlnli" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF5D4.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2460
- C:\Users\Admin\AppData\Local\Temp\efc5c94996f4af7ae3a2d17dfc73dd7fe3f84269e73bb611e5806f2fd131a646.exe
  "C:\Users\Admin\AppData\Local\Temp\efc5c94996f4af7ae3a2d17dfc73dd7fe3f84269e73bb611e5806f2fd131a646.exe"
  2⤵
  PID:2712
- C:\Users\Admin\AppData\Local\Temp\efc5c94996f4af7ae3a2d17dfc73dd7fe3f84269e73bb611e5806f2fd131a646.exe
  "C:\Users\Admin\AppData\Local\Temp\efc5c94996f4af7ae3a2d17dfc73dd7fe3f84269e73bb611e5806f2fd131a646.exe"
  2⤵
  PID:2364
- C:\Users\Admin\AppData\Local\Temp\efc5c94996f4af7ae3a2d17dfc73dd7fe3f84269e73bb611e5806f2fd131a646.exe
  "C:\Users\Admin\AppData\Local\Temp\efc5c94996f4af7ae3a2d17dfc73dd7fe3f84269e73bb611e5806f2fd131a646.exe"
  2⤵
  PID:1608
- C:\Users\Admin\AppData\Local\Temp\efc5c94996f4af7ae3a2d17dfc73dd7fe3f84269e73bb611e5806f2fd131a646.exe
  "C:\Users\Admin\AppData\Local\Temp\efc5c94996f4af7ae3a2d17dfc73dd7fe3f84269e73bb611e5806f2fd131a646.exe"
  2⤵
  PID:2428
- C:\Users\Admin\AppData\Local\Temp\efc5c94996f4af7ae3a2d17dfc73dd7fe3f84269e73bb611e5806f2fd131a646.exe
  "C:\Users\Admin\AppData\Local\Temp\efc5c94996f4af7ae3a2d17dfc73dd7fe3f84269e73bb611e5806f2fd131a646.exe"
  2⤵
  PID:752

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpF5D4.tmp

Filesize
1KB

MD5
ad4e78dd1fa765b3aaa17fcdbe86a5cf

SHA1
7f37e4564fa609a3c4e2a6bea06c1e82b6270004

SHA256
03587714af0a66395a95c40d5a749b11ec512340c503dc2eaa1a526452dd7ed4

SHA512
5dadee9ce6bd5819cf0051f8880be2defa909c1811fec4b5e24b233230f27344c01fa058a4bf083f6069c0ea16f27efd90999f8cde479569c5a1d918d8216b82

Download Submit
memory/2448-18-0x0000000074830000-0x0000000074DDB000-memory.dmp

Filesize
5.7MB

Download
memory/2448-17-0x0000000074830000-0x0000000074DDB000-memory.dmp

Filesize
5.7MB

Download
memory/2448-21-0x0000000074830000-0x0000000074DDB000-memory.dmp

Filesize
5.7MB

Download
memory/2448-20-0x0000000002240000-0x0000000002280000-memory.dmp

Filesize
256KB

Download
memory/2448-19-0x0000000002240000-0x0000000002280000-memory.dmp

Filesize
256KB

Download
memory/2968-5-0x0000000004EB0000-0x0000000004EF0000-memory.dmp

Filesize
256KB

Download
memory/2968-2-0x0000000004EB0000-0x0000000004EF0000-memory.dmp

Filesize
256KB

Download
memory/2968-13-0x0000000004820000-0x000000000486C000-memory.dmp

Filesize
304KB

Download
memory/2968-7-0x00000000055B0000-0x0000000005674000-memory.dmp

Filesize
784KB

Download
memory/2968-14-0x00000000746F0000-0x0000000074DDE000-memory.dmp

Filesize
6.9MB

Download
memory/2968-6-0x00000000006F0000-0x00000000006FC000-memory.dmp

Filesize
48KB

Download
memory/2968-1-0x00000000746F0000-0x0000000074DDE000-memory.dmp

Filesize
6.9MB

Download
memory/2968-0-0x0000000000350000-0x000000000043E000-memory.dmp

Filesize
952KB

Download
memory/2968-4-0x00000000746F0000-0x0000000074DDE000-memory.dmp

Filesize
6.9MB

Download
memory/2968-3-0x0000000000690000-0x00000000006A6000-memory.dmp

Filesize
88KB

Download