zgrat | 62b445ebc2a6ec20a7a49bc0c2fddd7f0cddcb4150c987f59249c47afa6d5d47

Analysis

max time kernel
117s
max time network
119s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
17-04-2024 14:02

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General

Target

9dcd2325222229aee939e07986dfd5eac660a3ad129979597707569af979ffea.exe
Size

470KB
MD5

9e203e42aad4a23d95bddec9509f4d72
SHA1

14726a881fc956c8d3450c580da6c9b921c38bd6
SHA256

9dcd2325222229aee939e07986dfd5eac660a3ad129979597707569af979ffea
SHA512

a1add22c1fd88653a1ecfc78d708e425f9dd7e1be4b286c5d2a69994c6f46d45e16b4ceb95fd6524cfcf72742145b2588b0f90344339827d2e4e83135d7e700a
SSDEEP

6144:yuwf0+RecrdM5x4z+TLonB3MRQ0+sCOMysnHLs7kSRqebpXbq4Hy6m51py:nUyLCBckT8sHLsBqebpJH5mc

Score

10^/10

zgrat rat

Malware Config

Signatures

Detect ZGRat V1 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1504-0-0x00000000010D0000-0x0000000001146000-memory.dmp	family_zgrat_v1
behavioral1/memory/1504-2-0x0000000000FE0000-0x0000000001020000-memory.dmp	family_zgrat_v1

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

9dcd2325222229aee939e07986dfd5eac660a3ad129979597707569af979ffea.exe

description	pid	process	target process
PID 1504 set thread context of 2324	1504	9dcd2325222229aee939e07986dfd5eac660a3ad129979597707569af979ffea.exe	RegAsm.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2628 2324 WerFault.exe RegAsm.exe

pid	pid_target	process	target process
2628	2324	WerFault.exe	RegAsm.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

9dcd2325222229aee939e07986dfd5eac660a3ad129979597707569af979ffea.exeRegAsm.exe

description	pid	process	target process
PID 1504 wrote to memory of 2324	1504	9dcd2325222229aee939e07986dfd5eac660a3ad129979597707569af979ffea.exe	RegAsm.exe
PID 1504 wrote to memory of 2324	1504	9dcd2325222229aee939e07986dfd5eac660a3ad129979597707569af979ffea.exe	RegAsm.exe
PID 1504 wrote to memory of 2324	1504	9dcd2325222229aee939e07986dfd5eac660a3ad129979597707569af979ffea.exe	RegAsm.exe
PID 1504 wrote to memory of 2324	1504	9dcd2325222229aee939e07986dfd5eac660a3ad129979597707569af979ffea.exe	RegAsm.exe
PID 1504 wrote to memory of 2324	1504	9dcd2325222229aee939e07986dfd5eac660a3ad129979597707569af979ffea.exe	RegAsm.exe
PID 1504 wrote to memory of 2324	1504	9dcd2325222229aee939e07986dfd5eac660a3ad129979597707569af979ffea.exe	RegAsm.exe
PID 1504 wrote to memory of 2324	1504	9dcd2325222229aee939e07986dfd5eac660a3ad129979597707569af979ffea.exe	RegAsm.exe
PID 1504 wrote to memory of 2324	1504	9dcd2325222229aee939e07986dfd5eac660a3ad129979597707569af979ffea.exe	RegAsm.exe
PID 1504 wrote to memory of 2324	1504	9dcd2325222229aee939e07986dfd5eac660a3ad129979597707569af979ffea.exe	RegAsm.exe
PID 1504 wrote to memory of 2324	1504	9dcd2325222229aee939e07986dfd5eac660a3ad129979597707569af979ffea.exe	RegAsm.exe
PID 1504 wrote to memory of 2324	1504	9dcd2325222229aee939e07986dfd5eac660a3ad129979597707569af979ffea.exe	RegAsm.exe
PID 1504 wrote to memory of 2324	1504	9dcd2325222229aee939e07986dfd5eac660a3ad129979597707569af979ffea.exe	RegAsm.exe
PID 1504 wrote to memory of 2324	1504	9dcd2325222229aee939e07986dfd5eac660a3ad129979597707569af979ffea.exe	RegAsm.exe
PID 2324 wrote to memory of 2628	2324	RegAsm.exe	WerFault.exe
PID 2324 wrote to memory of 2628	2324	RegAsm.exe	WerFault.exe
PID 2324 wrote to memory of 2628	2324	RegAsm.exe	WerFault.exe
PID 2324 wrote to memory of 2628	2324	RegAsm.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\9dcd2325222229aee939e07986dfd5eac660a3ad129979597707569af979ffea.exe
"C:\Users\Admin\AppData\Local\Temp\9dcd2325222229aee939e07986dfd5eac660a3ad129979597707569af979ffea.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1504
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2324
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2324 -s 252
    3⤵
    - Program crash
    PID:2628

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1504-0-0x00000000010D0000-0x0000000001146000-memory.dmp

Filesize
472KB

Download
memory/1504-1-0x00000000743D0000-0x0000000074ABE000-memory.dmp

Filesize
6.9MB

Download
memory/1504-2-0x0000000000FE0000-0x0000000001020000-memory.dmp

Filesize
256KB

Download
memory/1504-6-0x0000000002550000-0x0000000004550000-memory.dmp

Filesize
32.0MB

Download
memory/1504-20-0x00000000743D0000-0x0000000074ABE000-memory.dmp

Filesize
6.9MB

Download
memory/2324-10-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2324-12-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2324-8-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2324-7-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2324-5-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2324-16-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2324-19-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2324-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download