zgrat | 7c419b375dff5ab052c86131a714a80b5506f78cfbba3fd7b990afc0a6ff4110

Resubmissions

05-05-2024 22:14

240505-15wpwafd5z 10

05-05-2024 22:10

05-05-2024 22:10

05-05-2024 22:06

05-05-2024 22:06

05-05-2024 21:58

05-05-2024 21:56

Analysis

max time kernel
104s
max time network
77s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
05-05-2024 22:14

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General

Target

ForMyFriends.rar
Size

368KB
MD5

e5dffe249ace4087f23b2b20eea988a5
SHA1

9622701158cd5defc558b2c78b3281ce26d42eaa
SHA256

7c419b375dff5ab052c86131a714a80b5506f78cfbba3fd7b990afc0a6ff4110
SHA512

466354de558125d256064abc7b5b7fb7ddb2293be32accb577b31b08c779769a839eae521dd17642b041c150fd3acc4abeea66300c9a9a083b0bad401bfb5e41
SSDEEP

6144:vtX3fnGv4ndmVfh9zppZI6w/ub1OGjjpsV9gBm1Z6CiZE3+WdGqLiqW:vtXPn9nUVfh9zy6w/uN6gBi2E3+e+N

Score

10^/10

zgrat rat

Malware Config

Signatures

Detect ZGRat V1 5 IoCs

resource	yara_rule
behavioral1/files/0x002c00000001450f-28.dat	family_zgrat_v1
behavioral1/memory/2936-36-0x00000000001F0000-0x0000000000268000-memory.dmp	family_zgrat_v1
behavioral1/memory/2300-58-0x0000000001340000-0x00000000013B8000-memory.dmp	family_zgrat_v1
behavioral1/memory/1540-76-0x0000000000DF0000-0x0000000000E68000-memory.dmp	family_zgrat_v1
behavioral1/memory/1824-94-0x0000000001210000-0x0000000001288000-memory.dmp	family_zgrat_v1

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

Executes dropped EXE 4 IoCs

pid	Process
2936	loader.exe
2300	loader.exe
1540	loader.exe
1824	loader.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2936 set thread context of 2724	2936	loader.exe	31
PID 2300 set thread context of 400	2300	loader.exe	41
PID 1540 set thread context of 1764	1540	loader.exe	43
PID 1824 set thread context of 992	1824	loader.exe	46

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2580	7zFM.exe
2580	7zFM.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2580	7zFM.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeRestorePrivilege	2580	7zFM.exe
Token: 35	2580	7zFM.exe
Token: SeSecurityPrivilege	2580	7zFM.exe
Token: SeSecurityPrivilege	2580	7zFM.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2580	7zFM.exe
2580	7zFM.exe
2580	7zFM.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1440 wrote to memory of 2580	1440	cmd.exe	29
PID 1440 wrote to memory of 2580	1440	cmd.exe	29
PID 1440 wrote to memory of 2580	1440	cmd.exe	29
PID 2580 wrote to memory of 2936	2580	7zFM.exe	30
PID 2580 wrote to memory of 2936	2580	7zFM.exe	30
PID 2580 wrote to memory of 2936	2580	7zFM.exe	30
PID 2580 wrote to memory of 2936	2580	7zFM.exe	30
PID 2936 wrote to memory of 2724	2936	loader.exe	31
PID 2936 wrote to memory of 2724	2936	loader.exe	31
PID 2936 wrote to memory of 2724	2936	loader.exe	31
PID 2936 wrote to memory of 2724	2936	loader.exe	31
PID 2936 wrote to memory of 2724	2936	loader.exe	31
PID 2936 wrote to memory of 2724	2936	loader.exe	31
PID 2936 wrote to memory of 2724	2936	loader.exe	31
PID 2936 wrote to memory of 2724	2936	loader.exe	31
PID 2936 wrote to memory of 2724	2936	loader.exe	31
PID 2936 wrote to memory of 2724	2936	loader.exe	31
PID 2936 wrote to memory of 2724	2936	loader.exe	31
PID 2936 wrote to memory of 2724	2936	loader.exe	31
PID 2936 wrote to memory of 2724	2936	loader.exe	31
PID 2300 wrote to memory of 400	2300	loader.exe	41
PID 2300 wrote to memory of 400	2300	loader.exe	41
PID 2300 wrote to memory of 400	2300	loader.exe	41
PID 2300 wrote to memory of 400	2300	loader.exe	41
PID 2300 wrote to memory of 400	2300	loader.exe	41
PID 2300 wrote to memory of 400	2300	loader.exe	41
PID 2300 wrote to memory of 400	2300	loader.exe	41
PID 2300 wrote to memory of 400	2300	loader.exe	41
PID 2300 wrote to memory of 400	2300	loader.exe	41
PID 2300 wrote to memory of 400	2300	loader.exe	41
PID 2300 wrote to memory of 400	2300	loader.exe	41
PID 2300 wrote to memory of 400	2300	loader.exe	41
PID 2300 wrote to memory of 400	2300	loader.exe	41
PID 1540 wrote to memory of 1764	1540	loader.exe	43
PID 1540 wrote to memory of 1764	1540	loader.exe	43
PID 1540 wrote to memory of 1764	1540	loader.exe	43
PID 1540 wrote to memory of 1764	1540	loader.exe	43
PID 1540 wrote to memory of 1764	1540	loader.exe	43
PID 1540 wrote to memory of 1764	1540	loader.exe	43
PID 1540 wrote to memory of 1764	1540	loader.exe	43
PID 1540 wrote to memory of 1764	1540	loader.exe	43
PID 1540 wrote to memory of 1764	1540	loader.exe	43
PID 1540 wrote to memory of 1764	1540	loader.exe	43
PID 1540 wrote to memory of 1764	1540	loader.exe	43
PID 1540 wrote to memory of 1764	1540	loader.exe	43
PID 1540 wrote to memory of 1764	1540	loader.exe	43
PID 1824 wrote to memory of 908	1824	loader.exe	45
PID 1824 wrote to memory of 908	1824	loader.exe	45
PID 1824 wrote to memory of 908	1824	loader.exe	45
PID 1824 wrote to memory of 908	1824	loader.exe	45
PID 1824 wrote to memory of 908	1824	loader.exe	45
PID 1824 wrote to memory of 908	1824	loader.exe	45
PID 1824 wrote to memory of 908	1824	loader.exe	45
PID 1824 wrote to memory of 992	1824	loader.exe	46
PID 1824 wrote to memory of 992	1824	loader.exe	46
PID 1824 wrote to memory of 992	1824	loader.exe	46
PID 1824 wrote to memory of 992	1824	loader.exe	46
PID 1824 wrote to memory of 992	1824	loader.exe	46
PID 1824 wrote to memory of 992	1824	loader.exe	46
PID 1824 wrote to memory of 992	1824	loader.exe	46
PID 1824 wrote to memory of 992	1824	loader.exe	46
PID 1824 wrote to memory of 992	1824	loader.exe	46
PID 1824 wrote to memory of 992	1824	loader.exe	46
PID 1824 wrote to memory of 992	1824	loader.exe	46

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\ForMyFriends.rar
1⤵
- Suspicious use of WriteProcessMemory
PID:1440
- C:\Program Files\7-Zip\7zFM.exe
  "C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\ForMyFriends.rar"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2580
- - C:\Users\Admin\AppData\Local\Temp\7zO41AD9F96\loader.exe
    "C:\Users\Admin\AppData\Local\Temp\7zO41AD9F96\loader.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:2936
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      4⤵
      PID:2724

C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
1⤵
PID:2172

C:\Users\Admin\AppData\Local\Temp\loader.exe
"C:\Users\Admin\AppData\Local\Temp\loader.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2300
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:400

C:\Users\Admin\AppData\Local\Temp\loader.exe
"C:\Users\Admin\AppData\Local\Temp\loader.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1540
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:1764

C:\Users\Admin\AppData\Local\Temp\loader.exe
"C:\Users\Admin\AppData\Local\Temp\loader.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1824
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:908
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:992

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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\7zO41AD9F96\loader.exe

Filesize
465KB

MD5
2da0391abfceede588c711be9dc6a62e

SHA1
2f0049509bff9ae7282d181178442006b99a161c

SHA256
575263f5ab5301061aead61fd0bef20a97930a09682772d96ac6ed98d3d6c2a9

SHA512
f8d422a9a7e9557c3e4046cdd758f5ce96546e9cb52df4cd2770782e39f7049144e8b2949c72174456083ff02bef42920da7f79349f4519daa5982ef9e6644e4

Download Submit
memory/400-71-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1540-91-0x00000000023A0000-0x00000000043A0000-memory.dmp

Filesize
32.0MB

Download
memory/1540-76-0x0000000000DF0000-0x0000000000E68000-memory.dmp

Filesize
480KB

Download
memory/1764-89-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1824-94-0x0000000001210000-0x0000000001288000-memory.dmp

Filesize
480KB

Download
memory/2300-58-0x0000000001340000-0x00000000013B8000-memory.dmp

Filesize
480KB

Download
memory/2300-73-0x00000000027C0000-0x00000000047C0000-memory.dmp

Filesize
32.0MB

Download
memory/2724-49-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2724-43-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/2724-45-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/2724-39-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/2724-41-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/2724-47-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/2724-50-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/2724-52-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/2936-36-0x00000000001F0000-0x0000000000268000-memory.dmp

Filesize
480KB

Download