zgrat | 767ba9a305c7ecb8bf1779211e93bd673a8520015e64013f6e43a7ddd355f92f

Analysis

max time kernel
150s
max time network
148s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
13/02/2024, 02:53

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General

Target

767ba9a305c7ecb8bf1779211e93bd673a8520015e64013f6e43a7ddd355f92f.exe
Size

1.6MB
MD5

d76fbdd502935147727b658a1f54606b
SHA1

5b34d209f664bb04f4a9fa431159cc1e24ccf641
SHA256

767ba9a305c7ecb8bf1779211e93bd673a8520015e64013f6e43a7ddd355f92f
SHA512

c460b4706f85507d12b00a878585db4fbdeaca2abe9fe22239c67dbab9e12dbb3b64f212e5d0461b37254ce02bbcdbe0a7b3862155f387baebf3e6ca16f979d2
SSDEEP

24576:Bu3lUF+zynY3kq1EP07HlzrGyiXoX/njc+9cRQ38mG:Bu+Y3kqJFzrcoX/njB9cY8

Score

10^/10

zgrat persistence rat

Malware Config

Signatures

Detect ZGRat V1 34 IoCs

resource	yara_rule
behavioral1/memory/2448-1-0x0000000004A00000-0x0000000004AE6000-memory.dmp	family_zgrat_v1
behavioral1/memory/2448-3-0x0000000004A00000-0x0000000004AE0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2448-4-0x0000000004A00000-0x0000000004AE0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2448-6-0x0000000004A00000-0x0000000004AE0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2448-8-0x0000000004A00000-0x0000000004AE0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2448-12-0x0000000004A00000-0x0000000004AE0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2448-10-0x0000000004A00000-0x0000000004AE0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2448-18-0x0000000004A00000-0x0000000004AE0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2448-22-0x0000000004A00000-0x0000000004AE0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2448-20-0x0000000004A00000-0x0000000004AE0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2448-16-0x0000000004A00000-0x0000000004AE0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2448-14-0x0000000004A00000-0x0000000004AE0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2448-24-0x0000000004A00000-0x0000000004AE0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2448-30-0x0000000004A00000-0x0000000004AE0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2448-34-0x0000000004A00000-0x0000000004AE0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2448-32-0x0000000004A00000-0x0000000004AE0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2448-36-0x0000000004A00000-0x0000000004AE0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2448-38-0x0000000004A00000-0x0000000004AE0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2448-40-0x0000000004A00000-0x0000000004AE0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2448-46-0x0000000004A00000-0x0000000004AE0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2448-48-0x0000000004A00000-0x0000000004AE0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2448-44-0x0000000004A00000-0x0000000004AE0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2448-50-0x0000000004A00000-0x0000000004AE0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2448-42-0x0000000004A00000-0x0000000004AE0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2448-28-0x0000000004A00000-0x0000000004AE0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2448-26-0x0000000004A00000-0x0000000004AE0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2448-52-0x0000000004A00000-0x0000000004AE0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2448-54-0x0000000004A00000-0x0000000004AE0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2448-58-0x0000000004A00000-0x0000000004AE0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2448-62-0x0000000004A00000-0x0000000004AE0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2448-60-0x0000000004A00000-0x0000000004AE0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2448-64-0x0000000004A00000-0x0000000004AE0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2448-56-0x0000000004A00000-0x0000000004AE0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2448-66-0x0000000004A00000-0x0000000004AE0000-memory.dmp	family_zgrat_v1

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\DATE STAMP = "C:\\Users\\Admin\\AppData\\Roaming\\DATE STAMP.exe"	767ba9a305c7ecb8bf1779211e93bd673a8520015e64013f6e43a7ddd355f92f.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2448 set thread context of 1632	2448	767ba9a305c7ecb8bf1779211e93bd673a8520015e64013f6e43a7ddd355f92f.exe	30

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2448	767ba9a305c7ecb8bf1779211e93bd673a8520015e64013f6e43a7ddd355f92f.exe
2448	767ba9a305c7ecb8bf1779211e93bd673a8520015e64013f6e43a7ddd355f92f.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2448	767ba9a305c7ecb8bf1779211e93bd673a8520015e64013f6e43a7ddd355f92f.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1632	RegAsm.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2448 wrote to memory of 2232	2448	767ba9a305c7ecb8bf1779211e93bd673a8520015e64013f6e43a7ddd355f92f.exe	29
PID 2448 wrote to memory of 2232	2448	767ba9a305c7ecb8bf1779211e93bd673a8520015e64013f6e43a7ddd355f92f.exe	29
PID 2448 wrote to memory of 2232	2448	767ba9a305c7ecb8bf1779211e93bd673a8520015e64013f6e43a7ddd355f92f.exe	29
PID 2448 wrote to memory of 2232	2448	767ba9a305c7ecb8bf1779211e93bd673a8520015e64013f6e43a7ddd355f92f.exe	29
PID 2448 wrote to memory of 2232	2448	767ba9a305c7ecb8bf1779211e93bd673a8520015e64013f6e43a7ddd355f92f.exe	29
PID 2448 wrote to memory of 2232	2448	767ba9a305c7ecb8bf1779211e93bd673a8520015e64013f6e43a7ddd355f92f.exe	29
PID 2448 wrote to memory of 2232	2448	767ba9a305c7ecb8bf1779211e93bd673a8520015e64013f6e43a7ddd355f92f.exe	29
PID 2448 wrote to memory of 2340	2448	767ba9a305c7ecb8bf1779211e93bd673a8520015e64013f6e43a7ddd355f92f.exe	31
PID 2448 wrote to memory of 2340	2448	767ba9a305c7ecb8bf1779211e93bd673a8520015e64013f6e43a7ddd355f92f.exe	31
PID 2448 wrote to memory of 2340	2448	767ba9a305c7ecb8bf1779211e93bd673a8520015e64013f6e43a7ddd355f92f.exe	31
PID 2448 wrote to memory of 2340	2448	767ba9a305c7ecb8bf1779211e93bd673a8520015e64013f6e43a7ddd355f92f.exe	31
PID 2448 wrote to memory of 2340	2448	767ba9a305c7ecb8bf1779211e93bd673a8520015e64013f6e43a7ddd355f92f.exe	31
PID 2448 wrote to memory of 2340	2448	767ba9a305c7ecb8bf1779211e93bd673a8520015e64013f6e43a7ddd355f92f.exe	31
PID 2448 wrote to memory of 2340	2448	767ba9a305c7ecb8bf1779211e93bd673a8520015e64013f6e43a7ddd355f92f.exe	31
PID 2448 wrote to memory of 1632	2448	767ba9a305c7ecb8bf1779211e93bd673a8520015e64013f6e43a7ddd355f92f.exe	30
PID 2448 wrote to memory of 1632	2448	767ba9a305c7ecb8bf1779211e93bd673a8520015e64013f6e43a7ddd355f92f.exe	30
PID 2448 wrote to memory of 1632	2448	767ba9a305c7ecb8bf1779211e93bd673a8520015e64013f6e43a7ddd355f92f.exe	30
PID 2448 wrote to memory of 1632	2448	767ba9a305c7ecb8bf1779211e93bd673a8520015e64013f6e43a7ddd355f92f.exe	30
PID 2448 wrote to memory of 1632	2448	767ba9a305c7ecb8bf1779211e93bd673a8520015e64013f6e43a7ddd355f92f.exe	30
PID 2448 wrote to memory of 1632	2448	767ba9a305c7ecb8bf1779211e93bd673a8520015e64013f6e43a7ddd355f92f.exe	30
PID 2448 wrote to memory of 1632	2448	767ba9a305c7ecb8bf1779211e93bd673a8520015e64013f6e43a7ddd355f92f.exe	30
PID 2448 wrote to memory of 1632	2448	767ba9a305c7ecb8bf1779211e93bd673a8520015e64013f6e43a7ddd355f92f.exe	30
PID 2448 wrote to memory of 1632	2448	767ba9a305c7ecb8bf1779211e93bd673a8520015e64013f6e43a7ddd355f92f.exe	30
PID 2448 wrote to memory of 1632	2448	767ba9a305c7ecb8bf1779211e93bd673a8520015e64013f6e43a7ddd355f92f.exe	30
PID 2448 wrote to memory of 1632	2448	767ba9a305c7ecb8bf1779211e93bd673a8520015e64013f6e43a7ddd355f92f.exe	30
PID 2448 wrote to memory of 1632	2448	767ba9a305c7ecb8bf1779211e93bd673a8520015e64013f6e43a7ddd355f92f.exe	30
PID 2448 wrote to memory of 1632	2448	767ba9a305c7ecb8bf1779211e93bd673a8520015e64013f6e43a7ddd355f92f.exe	30
PID 2448 wrote to memory of 1632	2448	767ba9a305c7ecb8bf1779211e93bd673a8520015e64013f6e43a7ddd355f92f.exe	30
PID 2448 wrote to memory of 1632	2448	767ba9a305c7ecb8bf1779211e93bd673a8520015e64013f6e43a7ddd355f92f.exe	30
PID 2448 wrote to memory of 1632	2448	767ba9a305c7ecb8bf1779211e93bd673a8520015e64013f6e43a7ddd355f92f.exe	30

C:\Users\Admin\AppData\Local\Temp\767ba9a305c7ecb8bf1779211e93bd673a8520015e64013f6e43a7ddd355f92f.exe
"C:\Users\Admin\AppData\Local\Temp\767ba9a305c7ecb8bf1779211e93bd673a8520015e64013f6e43a7ddd355f92f.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2448
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  2⤵
  PID:2232
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:1632
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  2⤵
  PID:2340

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
769061be49b52b9b661476a076e85d78

SHA1
4edba919d08534a313935fe7eff00be29e2f5a67

SHA256
53c8697a6cc34340b929fa3156aebddd7820ff310ffc2b2f68526e7516f6013b

SHA512
7bfe0bc085bf1686a2ba7a2a4c192a1e2467cb63aba1bea37bbd315f1d759e6ef6b8bee7b17684c48a541281e305d384cad7981f804ac14e20d888a83f111fbc

Download Submit
memory/2448-40-0x0000000004A00000-0x0000000004AE0000-memory.dmp

Filesize
896KB

Download
memory/2448-48-0x0000000004A00000-0x0000000004AE0000-memory.dmp

Filesize
896KB

Download
memory/2448-3-0x0000000004A00000-0x0000000004AE0000-memory.dmp

Filesize
896KB

Download
memory/2448-4-0x0000000004A00000-0x0000000004AE0000-memory.dmp

Filesize
896KB

Download
memory/2448-6-0x0000000004A00000-0x0000000004AE0000-memory.dmp

Filesize
896KB

Download
memory/2448-8-0x0000000004A00000-0x0000000004AE0000-memory.dmp

Filesize
896KB

Download
memory/2448-12-0x0000000004A00000-0x0000000004AE0000-memory.dmp

Filesize
896KB

Download
memory/2448-10-0x0000000004A00000-0x0000000004AE0000-memory.dmp

Filesize
896KB

Download
memory/2448-18-0x0000000004A00000-0x0000000004AE0000-memory.dmp

Filesize
896KB

Download
memory/2448-22-0x0000000004A00000-0x0000000004AE0000-memory.dmp

Filesize
896KB

Download
memory/2448-20-0x0000000004A00000-0x0000000004AE0000-memory.dmp

Filesize
896KB

Download
memory/2448-16-0x0000000004A00000-0x0000000004AE0000-memory.dmp

Filesize
896KB

Download
memory/2448-14-0x0000000004A00000-0x0000000004AE0000-memory.dmp

Filesize
896KB

Download
memory/2448-24-0x0000000004A00000-0x0000000004AE0000-memory.dmp

Filesize
896KB

Download
memory/2448-30-0x0000000004A00000-0x0000000004AE0000-memory.dmp

Filesize
896KB

Download
memory/2448-34-0x0000000004A00000-0x0000000004AE0000-memory.dmp

Filesize
896KB

Download
memory/2448-32-0x0000000004A00000-0x0000000004AE0000-memory.dmp

Filesize
896KB

Download
memory/2448-36-0x0000000004A00000-0x0000000004AE0000-memory.dmp

Filesize
896KB

Download
memory/2448-38-0x0000000004A00000-0x0000000004AE0000-memory.dmp

Filesize
896KB

Download
memory/2448-0-0x0000000001290000-0x000000000143A000-memory.dmp

Filesize
1.7MB

Download
memory/2448-2-0x0000000073F70000-0x000000007465E000-memory.dmp

Filesize
6.9MB

Download
memory/2448-44-0x0000000004A00000-0x0000000004AE0000-memory.dmp

Filesize
896KB

Download
memory/2448-46-0x0000000004A00000-0x0000000004AE0000-memory.dmp

Filesize
896KB

Download
memory/2448-50-0x0000000004A00000-0x0000000004AE0000-memory.dmp

Filesize
896KB

Download
memory/2448-42-0x0000000004A00000-0x0000000004AE0000-memory.dmp

Filesize
896KB

Download
memory/2448-28-0x0000000004A00000-0x0000000004AE0000-memory.dmp

Filesize
896KB

Download
memory/2448-26-0x0000000004A00000-0x0000000004AE0000-memory.dmp

Filesize
896KB

Download
memory/2448-52-0x0000000004A00000-0x0000000004AE0000-memory.dmp

Filesize
896KB

Download
memory/2448-54-0x0000000004A00000-0x0000000004AE0000-memory.dmp

Filesize
896KB

Download
memory/2448-58-0x0000000004A00000-0x0000000004AE0000-memory.dmp

Filesize
896KB

Download
memory/2448-62-0x0000000004A00000-0x0000000004AE0000-memory.dmp

Filesize
896KB

Download
memory/2448-60-0x0000000004A00000-0x0000000004AE0000-memory.dmp

Filesize
896KB

Download
memory/2448-64-0x0000000004A00000-0x0000000004AE0000-memory.dmp

Filesize
896KB

Download
memory/2448-56-0x0000000004A00000-0x0000000004AE0000-memory.dmp

Filesize
896KB

Download
memory/2448-66-0x0000000004A00000-0x0000000004AE0000-memory.dmp

Filesize
896KB

Download
memory/2448-1118-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2448-1117-0x0000000001210000-0x0000000001250000-memory.dmp

Filesize
256KB

Download
memory/2448-1119-0x0000000000CA0000-0x0000000000D0E000-memory.dmp

Filesize
440KB

Download
memory/2448-1120-0x00000000006A0000-0x00000000006EC000-memory.dmp

Filesize
304KB

Download
memory/2448-1134-0x0000000073F70000-0x000000007465E000-memory.dmp

Filesize
6.9MB

Download
memory/2448-1-0x0000000004A00000-0x0000000004AE6000-memory.dmp

Filesize
920KB

Download