zgrat | 18f17375402cffe877271fdeedb0e78ebf492ba954da3bfcbc742fd5fd567492

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
13-03-2024 05:15

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General

Target

40dd510795e82f9a51301896809c2d95.exe
Size

468KB
MD5

40dd510795e82f9a51301896809c2d95
SHA1

5bc4f3a04dae16cd6c69dd442551a795c9caa9ef
SHA256

18f17375402cffe877271fdeedb0e78ebf492ba954da3bfcbc742fd5fd567492
SHA512

c2fa10356790136e1bacbf0bc26eb015d6ceae49d2fb953fc80cb3085375d050000b2672cf15bc97fd633a31e6012e0fe47e282f31a614192840f85624b693c8
SSDEEP

6144:sR0tQjTAMFGf1nAB9/huXDttKkDklFuktsferJ/f7UF3HfuXeZWquoQ:sRK1y5IDnKkDxkme5f6HfuurHQ

Score

10^/10

zgrat rat

Malware Config

Signatures

Detect ZGRat V1 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1632-0-0x00000000003D0000-0x0000000000446000-memory.dmp	family_zgrat_v1

ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat
Suspicious use of SetThreadContext 1 IoCs

Processes:

40dd510795e82f9a51301896809c2d95.exe

description pid process target process

PID 1632 set thread context of 2748 1632 40dd510795e82f9a51301896809c2d95.exe RegAsm.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2164 2748 WerFault.exe RegAsm.exe

description	pid	process	target process
PID 1632 set thread context of 2748	1632	40dd510795e82f9a51301896809c2d95.exe	RegAsm.exe

pid	pid_target	process	target process
2164	2748	WerFault.exe	RegAsm.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

40dd510795e82f9a51301896809c2d95.exeRegAsm.exe

description	pid	process	target process
PID 1632 wrote to memory of 1696	1632	40dd510795e82f9a51301896809c2d95.exe	RegAsm.exe
PID 1632 wrote to memory of 1696	1632	40dd510795e82f9a51301896809c2d95.exe	RegAsm.exe
PID 1632 wrote to memory of 1696	1632	40dd510795e82f9a51301896809c2d95.exe	RegAsm.exe
PID 1632 wrote to memory of 1696	1632	40dd510795e82f9a51301896809c2d95.exe	RegAsm.exe
PID 1632 wrote to memory of 1696	1632	40dd510795e82f9a51301896809c2d95.exe	RegAsm.exe
PID 1632 wrote to memory of 1696	1632	40dd510795e82f9a51301896809c2d95.exe	RegAsm.exe
PID 1632 wrote to memory of 1696	1632	40dd510795e82f9a51301896809c2d95.exe	RegAsm.exe
PID 1632 wrote to memory of 2748	1632	40dd510795e82f9a51301896809c2d95.exe	RegAsm.exe
PID 1632 wrote to memory of 2748	1632	40dd510795e82f9a51301896809c2d95.exe	RegAsm.exe
PID 1632 wrote to memory of 2748	1632	40dd510795e82f9a51301896809c2d95.exe	RegAsm.exe
PID 1632 wrote to memory of 2748	1632	40dd510795e82f9a51301896809c2d95.exe	RegAsm.exe
PID 1632 wrote to memory of 2748	1632	40dd510795e82f9a51301896809c2d95.exe	RegAsm.exe
PID 1632 wrote to memory of 2748	1632	40dd510795e82f9a51301896809c2d95.exe	RegAsm.exe
PID 1632 wrote to memory of 2748	1632	40dd510795e82f9a51301896809c2d95.exe	RegAsm.exe
PID 1632 wrote to memory of 2748	1632	40dd510795e82f9a51301896809c2d95.exe	RegAsm.exe
PID 1632 wrote to memory of 2748	1632	40dd510795e82f9a51301896809c2d95.exe	RegAsm.exe
PID 1632 wrote to memory of 2748	1632	40dd510795e82f9a51301896809c2d95.exe	RegAsm.exe
PID 1632 wrote to memory of 2748	1632	40dd510795e82f9a51301896809c2d95.exe	RegAsm.exe
PID 1632 wrote to memory of 2748	1632	40dd510795e82f9a51301896809c2d95.exe	RegAsm.exe
PID 1632 wrote to memory of 2748	1632	40dd510795e82f9a51301896809c2d95.exe	RegAsm.exe
PID 2748 wrote to memory of 2164	2748	RegAsm.exe	WerFault.exe
PID 2748 wrote to memory of 2164	2748	RegAsm.exe	WerFault.exe
PID 2748 wrote to memory of 2164	2748	RegAsm.exe	WerFault.exe
PID 2748 wrote to memory of 2164	2748	RegAsm.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\40dd510795e82f9a51301896809c2d95.exe
"C:\Users\Admin\AppData\Local\Temp\40dd510795e82f9a51301896809c2d95.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1632

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
2⤵
PID:1696

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:2748

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2748 -s 256
3⤵
- Program crash
PID:2164

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1632-1-0x0000000074980000-0x000000007506E000-memory.dmp

Filesize
6.9MB

Download
memory/1632-0-0x00000000003D0000-0x0000000000446000-memory.dmp

Filesize
472KB

Download
memory/1632-2-0x0000000000580000-0x00000000005C0000-memory.dmp

Filesize
256KB

Download
memory/1632-21-0x0000000074980000-0x000000007506E000-memory.dmp

Filesize
6.9MB

Download
memory/1632-8-0x0000000002300000-0x0000000004300000-memory.dmp

Filesize
32.0MB

Download
memory/2748-10-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2748-7-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2748-12-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2748-14-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2748-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2748-17-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2748-5-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2748-20-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2748-22-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads