zgrat | a7ec1127d3e54b259b1f2d506d5c95f778564dfac060c78351206f3dc433707d

General

Target

Material requirements.exe
Size

1.3MB
MD5

f79e94d065c88a840d376851c4e19937
SHA1

ca0ad59a5ab54d088190efb2497f65f2df413ce9
SHA256

24a3ea7a878ccdda1d5151f6e892a16bf0c52082c36350d451d348983b80fdf2
SHA512

4632eb61180da1d386fa5a815dd0a411db786f145cd43a5ca8851a119534c19b6a18992baa02335d8a00499ec33ba47c2c929fc2fb5a045275f4d0df4a63e6e7
SSDEEP

12288:tSWT2D98gwVfIud+KCWFtlJfgHajbX9wvspP+U4O8y2r0vIYC:tSHqfIud+KC0VpauPIvrrY

Score

10^/10

zgrat rat

Malware Config

Signatures

Detect ZGRat V1 5 IoCs

resource	yara_rule
behavioral1/memory/2440-15-0x0000000000400000-0x000000000049A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2440-16-0x0000000000400000-0x000000000049A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2440-24-0x0000000000400000-0x000000000049A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2440-22-0x0000000000400000-0x000000000049A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2440-19-0x0000000000400000-0x000000000049A000-memory.dmp	family_zgrat_v1

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

Executes dropped EXE 1 IoCs

pid	Process
2440	RegAsm.exe

Loads dropped DLL 2 IoCs

pid	Process
2792	Material requirements.exe
2440	RegAsm.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2792 set thread context of 2440	2792	Material requirements.exe	28

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2792	Material requirements.exe
2792	Material requirements.exe
2792	Material requirements.exe
2476	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2792	Material requirements.exe
Token: SeDebugPrivilege	2476	powershell.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2792 wrote to memory of 2440	2792	Material requirements.exe	28
PID 2792 wrote to memory of 2440	2792	Material requirements.exe	28
PID 2792 wrote to memory of 2440	2792	Material requirements.exe	28
PID 2792 wrote to memory of 2440	2792	Material requirements.exe	28
PID 2792 wrote to memory of 2440	2792	Material requirements.exe	28
PID 2792 wrote to memory of 2440	2792	Material requirements.exe	28
PID 2792 wrote to memory of 2440	2792	Material requirements.exe	28
PID 2792 wrote to memory of 2440	2792	Material requirements.exe	28
PID 2792 wrote to memory of 2440	2792	Material requirements.exe	28
PID 2792 wrote to memory of 2440	2792	Material requirements.exe	28
PID 2792 wrote to memory of 2440	2792	Material requirements.exe	28
PID 2792 wrote to memory of 2440	2792	Material requirements.exe	28
PID 2440 wrote to memory of 1568	2440	RegAsm.exe	32
PID 2440 wrote to memory of 1568	2440	RegAsm.exe	32
PID 2440 wrote to memory of 1568	2440	RegAsm.exe	32
PID 2440 wrote to memory of 1568	2440	RegAsm.exe	32
PID 1568 wrote to memory of 2476	1568	cmd.exe	34
PID 1568 wrote to memory of 2476	1568	cmd.exe	34
PID 1568 wrote to memory of 2476	1568	cmd.exe	34
PID 1568 wrote to memory of 2476	1568	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\Material requirements.exe
"C:\Users\Admin\AppData\Local\Temp\Material requirements.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2792
- C:\Users\Admin\AppData\Local\Temp\RegAsm.exe
  "C:\Users\Admin\AppData\Local\Temp\RegAsm.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2440
- - C:\Windows\SysWOW64\cmd.exe
    "cmd" /c start /b powershell Start-Sleep -Seconds 2; Remove-Item -path 'C:\Users\Admin\AppData\Local\Temp\RegAsm.exe' & exit
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1568
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell Start-Sleep -Seconds 2; Remove-Item -path 'C:\Users\Admin\AppData\Local\Temp\RegAsm.exe'
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2476

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\RegAsm.exe

Filesize
63KB

MD5
b58b926c3574d28d5b7fdd2ca3ec30d5

SHA1
d260c4ffd603a9cfc057fcb83d678b1cecdf86f9

SHA256
6e70b56d748c4ccab13cc8a055d3795ea0dd95fe3b70568d7d3ac0c6621140a3

SHA512
b13cb998822b716b695013bcd6dec62a2290567d0d1743b2d982ca084235cf69c6ea1fc91c9d4e62657c6f9e102c7c60e81296ab055ffe43b887c5f8ec8958ab

Download Submit
memory/2440-24-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/2440-14-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/2440-28-0x00000000004A0000-0x00000000004E4000-memory.dmp

Filesize
272KB

Download
memory/2440-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2440-19-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/2440-22-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/2440-16-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/2440-15-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/2440-29-0x00000000007C0000-0x00000000007D4000-memory.dmp

Filesize
80KB

Download
memory/2440-13-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/2792-6-0x0000000000380000-0x000000000038A000-memory.dmp

Filesize
40KB

Download
memory/2792-9-0x00000000004B0000-0x00000000004BA000-memory.dmp

Filesize
40KB

Download
memory/2792-27-0x0000000074670000-0x0000000074D5E000-memory.dmp

Filesize
6.9MB

Download
memory/2792-8-0x0000000074670000-0x0000000074D5E000-memory.dmp

Filesize
6.9MB

Download
memory/2792-0-0x000000007467E000-0x000000007467F000-memory.dmp

Filesize
4KB

Download
memory/2792-2-0x00000000002F0000-0x000000000030E000-memory.dmp

Filesize
120KB

Download
memory/2792-5-0x0000000074670000-0x0000000074D5E000-memory.dmp

Filesize
6.9MB

Download
memory/2792-4-0x000000007467E000-0x000000007467F000-memory.dmp

Filesize
4KB

Download
memory/2792-3-0x0000000074670000-0x0000000074D5E000-memory.dmp

Filesize
6.9MB

Download
memory/2792-1-0x0000000001260000-0x00000000013A6000-memory.dmp

Filesize
1.3MB

Download

Analysis

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