zgrat | 767ba9a305c7ecb8bf1779211e93bd673a8520015e64013f6e43a7ddd355f92f

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-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
behavioral2/memory/2680-2-0x0000000005A70000-0x0000000005B56000-memory.dmp	family_zgrat_v1
behavioral2/memory/2680-12-0x0000000005A70000-0x0000000005B50000-memory.dmp	family_zgrat_v1
behavioral2/memory/2680-22-0x0000000005A70000-0x0000000005B50000-memory.dmp	family_zgrat_v1
behavioral2/memory/2680-30-0x0000000005A70000-0x0000000005B50000-memory.dmp	family_zgrat_v1
behavioral2/memory/2680-34-0x0000000005A70000-0x0000000005B50000-memory.dmp	family_zgrat_v1
behavioral2/memory/2680-38-0x0000000005A70000-0x0000000005B50000-memory.dmp	family_zgrat_v1
behavioral2/memory/2680-48-0x0000000005A70000-0x0000000005B50000-memory.dmp	family_zgrat_v1
behavioral2/memory/2680-54-0x0000000005A70000-0x0000000005B50000-memory.dmp	family_zgrat_v1
behavioral2/memory/2680-56-0x0000000005A70000-0x0000000005B50000-memory.dmp	family_zgrat_v1
behavioral2/memory/2680-64-0x0000000005A70000-0x0000000005B50000-memory.dmp	family_zgrat_v1
behavioral2/memory/2680-66-0x0000000005A70000-0x0000000005B50000-memory.dmp	family_zgrat_v1
behavioral2/memory/2680-62-0x0000000005A70000-0x0000000005B50000-memory.dmp	family_zgrat_v1
behavioral2/memory/2680-68-0x0000000005A70000-0x0000000005B50000-memory.dmp	family_zgrat_v1
behavioral2/memory/2680-60-0x0000000005A70000-0x0000000005B50000-memory.dmp	family_zgrat_v1
behavioral2/memory/2680-58-0x0000000005A70000-0x0000000005B50000-memory.dmp	family_zgrat_v1
behavioral2/memory/2680-52-0x0000000005A70000-0x0000000005B50000-memory.dmp	family_zgrat_v1
behavioral2/memory/2680-50-0x0000000005A70000-0x0000000005B50000-memory.dmp	family_zgrat_v1
behavioral2/memory/2680-46-0x0000000005A70000-0x0000000005B50000-memory.dmp	family_zgrat_v1
behavioral2/memory/2680-44-0x0000000005A70000-0x0000000005B50000-memory.dmp	family_zgrat_v1
behavioral2/memory/2680-42-0x0000000005A70000-0x0000000005B50000-memory.dmp	family_zgrat_v1
behavioral2/memory/2680-40-0x0000000005A70000-0x0000000005B50000-memory.dmp	family_zgrat_v1
behavioral2/memory/2680-36-0x0000000005A70000-0x0000000005B50000-memory.dmp	family_zgrat_v1
behavioral2/memory/2680-32-0x0000000005A70000-0x0000000005B50000-memory.dmp	family_zgrat_v1
behavioral2/memory/2680-28-0x0000000005A70000-0x0000000005B50000-memory.dmp	family_zgrat_v1
behavioral2/memory/2680-26-0x0000000005A70000-0x0000000005B50000-memory.dmp	family_zgrat_v1
behavioral2/memory/2680-24-0x0000000005A70000-0x0000000005B50000-memory.dmp	family_zgrat_v1
behavioral2/memory/2680-20-0x0000000005A70000-0x0000000005B50000-memory.dmp	family_zgrat_v1
behavioral2/memory/2680-18-0x0000000005A70000-0x0000000005B50000-memory.dmp	family_zgrat_v1
behavioral2/memory/2680-16-0x0000000005A70000-0x0000000005B50000-memory.dmp	family_zgrat_v1
behavioral2/memory/2680-14-0x0000000005A70000-0x0000000005B50000-memory.dmp	family_zgrat_v1
behavioral2/memory/2680-10-0x0000000005A70000-0x0000000005B50000-memory.dmp	family_zgrat_v1
behavioral2/memory/2680-8-0x0000000005A70000-0x0000000005B50000-memory.dmp	family_zgrat_v1
behavioral2/memory/2680-6-0x0000000005A70000-0x0000000005B50000-memory.dmp	family_zgrat_v1
behavioral2/memory/2680-5-0x0000000005A70000-0x0000000005B50000-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-1-5-21-3803511929-1339359695-2191195476-1000\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 2680 set thread context of 3740	2680	767ba9a305c7ecb8bf1779211e93bd673a8520015e64013f6e43a7ddd355f92f.exe	92

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2680	767ba9a305c7ecb8bf1779211e93bd673a8520015e64013f6e43a7ddd355f92f.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3740	RegAsm.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2680 wrote to memory of 3740	2680	767ba9a305c7ecb8bf1779211e93bd673a8520015e64013f6e43a7ddd355f92f.exe	92
PID 2680 wrote to memory of 3740	2680	767ba9a305c7ecb8bf1779211e93bd673a8520015e64013f6e43a7ddd355f92f.exe	92
PID 2680 wrote to memory of 3740	2680	767ba9a305c7ecb8bf1779211e93bd673a8520015e64013f6e43a7ddd355f92f.exe	92
PID 2680 wrote to memory of 3740	2680	767ba9a305c7ecb8bf1779211e93bd673a8520015e64013f6e43a7ddd355f92f.exe	92
PID 2680 wrote to memory of 3740	2680	767ba9a305c7ecb8bf1779211e93bd673a8520015e64013f6e43a7ddd355f92f.exe	92
PID 2680 wrote to memory of 3740	2680	767ba9a305c7ecb8bf1779211e93bd673a8520015e64013f6e43a7ddd355f92f.exe	92
PID 2680 wrote to memory of 3740	2680	767ba9a305c7ecb8bf1779211e93bd673a8520015e64013f6e43a7ddd355f92f.exe	92
PID 2680 wrote to memory of 3740	2680	767ba9a305c7ecb8bf1779211e93bd673a8520015e64013f6e43a7ddd355f92f.exe	92
PID 2680 wrote to memory of 3740	2680	767ba9a305c7ecb8bf1779211e93bd673a8520015e64013f6e43a7ddd355f92f.exe	92
PID 2680 wrote to memory of 3740	2680	767ba9a305c7ecb8bf1779211e93bd673a8520015e64013f6e43a7ddd355f92f.exe	92
PID 2680 wrote to memory of 3740	2680	767ba9a305c7ecb8bf1779211e93bd673a8520015e64013f6e43a7ddd355f92f.exe	92
PID 2680 wrote to memory of 3740	2680	767ba9a305c7ecb8bf1779211e93bd673a8520015e64013f6e43a7ddd355f92f.exe	92

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 use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2680
- 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:3740

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

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Downloads

C:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
96c5390f364b784e64879ad86d3b09d8

SHA1
53f79637fece32c6b6771316bfcb5d85c684277f

SHA256
b93cb1415278f6a401d3af264d3cc836adca9f4ee09250398ffc438f5bd978c9

SHA512
1393547097d2f9346855dc85b15f47e5e90a7a571d91f5e33451d7974f9bb439d8c804a4a162ba4867969b7a690eb727dcd1cfdbfb24fd224ebdf47644995efd

Download Submit
memory/2680-44-0x0000000005A70000-0x0000000005B50000-memory.dmp

Filesize
896KB

Download
memory/2680-68-0x0000000005A70000-0x0000000005B50000-memory.dmp

Filesize
896KB

Download
memory/2680-4-0x0000000005C70000-0x0000000005D7A000-memory.dmp

Filesize
1.0MB

Download
memory/2680-3-0x0000000006170000-0x0000000006788000-memory.dmp

Filesize
6.1MB

Download
memory/2680-12-0x0000000005A70000-0x0000000005B50000-memory.dmp

Filesize
896KB

Download
memory/2680-22-0x0000000005A70000-0x0000000005B50000-memory.dmp

Filesize
896KB

Download
memory/2680-30-0x0000000005A70000-0x0000000005B50000-memory.dmp

Filesize
896KB

Download
memory/2680-34-0x0000000005A70000-0x0000000005B50000-memory.dmp

Filesize
896KB

Download
memory/2680-38-0x0000000005A70000-0x0000000005B50000-memory.dmp

Filesize
896KB

Download
memory/2680-48-0x0000000005A70000-0x0000000005B50000-memory.dmp

Filesize
896KB

Download
memory/2680-54-0x0000000005A70000-0x0000000005B50000-memory.dmp

Filesize
896KB

Download
memory/2680-56-0x0000000005A70000-0x0000000005B50000-memory.dmp

Filesize
896KB

Download
memory/2680-64-0x0000000005A70000-0x0000000005B50000-memory.dmp

Filesize
896KB

Download
memory/2680-66-0x0000000005A70000-0x0000000005B50000-memory.dmp

Filesize
896KB

Download
memory/2680-62-0x0000000005A70000-0x0000000005B50000-memory.dmp

Filesize
896KB

Download
memory/2680-40-0x0000000005A70000-0x0000000005B50000-memory.dmp

Filesize
896KB

Download
memory/2680-60-0x0000000005A70000-0x0000000005B50000-memory.dmp

Filesize
896KB

Download
memory/2680-58-0x0000000005A70000-0x0000000005B50000-memory.dmp

Filesize
896KB

Download
memory/2680-52-0x0000000005A70000-0x0000000005B50000-memory.dmp

Filesize
896KB

Download
memory/2680-50-0x0000000005A70000-0x0000000005B50000-memory.dmp

Filesize
896KB

Download
memory/2680-46-0x0000000005A70000-0x0000000005B50000-memory.dmp

Filesize
896KB

Download
memory/2680-0-0x0000000000EE0000-0x000000000108A000-memory.dmp

Filesize
1.7MB

Download
memory/2680-2-0x0000000005A70000-0x0000000005B56000-memory.dmp

Filesize
920KB

Download
memory/2680-42-0x0000000005A70000-0x0000000005B50000-memory.dmp

Filesize
896KB

Download
memory/2680-1119-0x0000000005A60000-0x0000000005A70000-memory.dmp

Filesize
64KB

Download
memory/2680-32-0x0000000005A70000-0x0000000005B50000-memory.dmp

Filesize
896KB

Download
memory/2680-28-0x0000000005A70000-0x0000000005B50000-memory.dmp

Filesize
896KB

Download
memory/2680-26-0x0000000005A70000-0x0000000005B50000-memory.dmp

Filesize
896KB

Download
memory/2680-24-0x0000000005A70000-0x0000000005B50000-memory.dmp

Filesize
896KB

Download
memory/2680-20-0x0000000005A70000-0x0000000005B50000-memory.dmp

Filesize
896KB

Download
memory/2680-18-0x0000000005A70000-0x0000000005B50000-memory.dmp

Filesize
896KB

Download
memory/2680-16-0x0000000005A70000-0x0000000005B50000-memory.dmp

Filesize
896KB

Download
memory/2680-14-0x0000000005A70000-0x0000000005B50000-memory.dmp

Filesize
896KB

Download
memory/2680-10-0x0000000005A70000-0x0000000005B50000-memory.dmp

Filesize
896KB

Download
memory/2680-8-0x0000000005A70000-0x0000000005B50000-memory.dmp

Filesize
896KB

Download
memory/2680-6-0x0000000005A70000-0x0000000005B50000-memory.dmp

Filesize
896KB

Download
memory/2680-5-0x0000000005A70000-0x0000000005B50000-memory.dmp

Filesize
896KB

Download
memory/2680-1120-0x0000000005BA0000-0x0000000005BA1000-memory.dmp

Filesize
4KB

Download
memory/2680-36-0x0000000005A70000-0x0000000005B50000-memory.dmp

Filesize
896KB

Download
memory/2680-1121-0x0000000005BF0000-0x0000000005C5E000-memory.dmp

Filesize
440KB

Download
memory/2680-1122-0x0000000005EC0000-0x0000000005F0C000-memory.dmp

Filesize
304KB

Download
memory/2680-1124-0x0000000006080000-0x00000000060E6000-memory.dmp

Filesize
408KB

Download
memory/2680-1125-0x0000000006D80000-0x0000000007324000-memory.dmp

Filesize
5.6MB

Download
memory/2680-1123-0x0000000005FE0000-0x0000000006072000-memory.dmp

Filesize
584KB

Download
memory/2680-1130-0x0000000074980000-0x0000000075130000-memory.dmp

Filesize
7.7MB

Download
memory/2680-1-0x0000000074980000-0x0000000075130000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads