zgrat | 3d75eede311931faf4dc46008199f7dc49a42237388ac8471c3a5a07432fb243

Analysis

max time kernel
149s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
14-05-2024 08:51

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General

Target

Copy00106258873.exe
Size

308KB
MD5

1ee185cb3b4f78f2a24e61798952178b
SHA1

8049b95b5250bad311950a218de4b9727e8f4579
SHA256

3d75eede311931faf4dc46008199f7dc49a42237388ac8471c3a5a07432fb243
SHA512

d16938efe9ec9936266e9c37b9c85b5f26cdfc66cc9c552186c3973ebed1c7e9f0f9f380f39cc113c03e7983dd9188a5e7292115748d78953101cfd359f0a93f
SSDEEP

3072:iOvQ/IaGuDfIeqpMTxV/wP8rjAILNnCDDRvLGmrOAOkGt6+duWA/t/SHUebbxCbO:FQIZe+MFVXx9stvLGtELbMUTKZ1H

Score

10^/10

zgrat persistence rat

Malware Config

Signatures

Detect ZGRat V1 34 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4816-3-0x0000000007A90000-0x0000000007CC6000-memory.dmp	family_zgrat_v1
behavioral2/memory/4816-6-0x0000000007A90000-0x0000000007CC0000-memory.dmp	family_zgrat_v1
behavioral2/memory/4816-9-0x0000000007A90000-0x0000000007CC0000-memory.dmp	family_zgrat_v1
behavioral2/memory/4816-7-0x0000000007A90000-0x0000000007CC0000-memory.dmp	family_zgrat_v1
behavioral2/memory/4816-33-0x0000000007A90000-0x0000000007CC0000-memory.dmp	family_zgrat_v1
behavioral2/memory/4816-23-0x0000000007A90000-0x0000000007CC0000-memory.dmp	family_zgrat_v1
behavioral2/memory/4816-21-0x0000000007A90000-0x0000000007CC0000-memory.dmp	family_zgrat_v1
behavioral2/memory/4816-20-0x0000000007A90000-0x0000000007CC0000-memory.dmp	family_zgrat_v1
behavioral2/memory/4816-17-0x0000000007A90000-0x0000000007CC0000-memory.dmp	family_zgrat_v1
behavioral2/memory/4816-15-0x0000000007A90000-0x0000000007CC0000-memory.dmp	family_zgrat_v1
behavioral2/memory/4816-13-0x0000000007A90000-0x0000000007CC0000-memory.dmp	family_zgrat_v1
behavioral2/memory/4816-11-0x0000000007A90000-0x0000000007CC0000-memory.dmp	family_zgrat_v1
behavioral2/memory/4816-49-0x0000000007A90000-0x0000000007CC0000-memory.dmp	family_zgrat_v1
behavioral2/memory/4816-65-0x0000000007A90000-0x0000000007CC0000-memory.dmp	family_zgrat_v1
behavioral2/memory/4816-63-0x0000000007A90000-0x0000000007CC0000-memory.dmp	family_zgrat_v1
behavioral2/memory/4816-59-0x0000000007A90000-0x0000000007CC0000-memory.dmp	family_zgrat_v1
behavioral2/memory/4816-57-0x0000000007A90000-0x0000000007CC0000-memory.dmp	family_zgrat_v1
behavioral2/memory/4816-55-0x0000000007A90000-0x0000000007CC0000-memory.dmp	family_zgrat_v1
behavioral2/memory/4816-53-0x0000000007A90000-0x0000000007CC0000-memory.dmp	family_zgrat_v1
behavioral2/memory/4816-61-0x0000000007A90000-0x0000000007CC0000-memory.dmp	family_zgrat_v1
behavioral2/memory/4816-51-0x0000000007A90000-0x0000000007CC0000-memory.dmp	family_zgrat_v1
behavioral2/memory/4816-47-0x0000000007A90000-0x0000000007CC0000-memory.dmp	family_zgrat_v1
behavioral2/memory/4816-45-0x0000000007A90000-0x0000000007CC0000-memory.dmp	family_zgrat_v1
behavioral2/memory/4816-43-0x0000000007A90000-0x0000000007CC0000-memory.dmp	family_zgrat_v1
behavioral2/memory/4816-41-0x0000000007A90000-0x0000000007CC0000-memory.dmp	family_zgrat_v1
behavioral2/memory/4816-39-0x0000000007A90000-0x0000000007CC0000-memory.dmp	family_zgrat_v1
behavioral2/memory/4816-37-0x0000000007A90000-0x0000000007CC0000-memory.dmp	family_zgrat_v1
behavioral2/memory/4816-35-0x0000000007A90000-0x0000000007CC0000-memory.dmp	family_zgrat_v1
behavioral2/memory/4816-31-0x0000000007A90000-0x0000000007CC0000-memory.dmp	family_zgrat_v1
behavioral2/memory/4816-29-0x0000000007A90000-0x0000000007CC0000-memory.dmp	family_zgrat_v1
behavioral2/memory/4816-27-0x0000000007A90000-0x0000000007CC0000-memory.dmp	family_zgrat_v1
behavioral2/memory/4816-25-0x0000000007A90000-0x0000000007CC0000-memory.dmp	family_zgrat_v1
behavioral2/memory/4816-69-0x0000000007A90000-0x0000000007CC0000-memory.dmp	family_zgrat_v1
behavioral2/memory/4816-67-0x0000000007A90000-0x0000000007CC0000-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

Processes:

Copy00106258873.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\savef = "C:\\Users\\Admin\\AppData\\Roaming\\savef.exe"	Copy00106258873.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Copy00106258873.exe

description pid process target process

PID 4816 set thread context of 3552 4816 Copy00106258873.exe RegAsm.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Copy00106258873.exe

description pid process

Token: SeDebugPrivilege 4816 Copy00106258873.exe
Token: SeDebugPrivilege 4816 Copy00106258873.exe

description	pid	process	target process
PID 4816 set thread context of 3552	4816	Copy00106258873.exe	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	4816	Copy00106258873.exe
Token: SeDebugPrivilege	4816	Copy00106258873.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

Copy00106258873.exe

description	pid	process	target process
PID 4816 wrote to memory of 3552	4816	Copy00106258873.exe	RegAsm.exe
PID 4816 wrote to memory of 3552	4816	Copy00106258873.exe	RegAsm.exe
PID 4816 wrote to memory of 3552	4816	Copy00106258873.exe	RegAsm.exe
PID 4816 wrote to memory of 3552	4816	Copy00106258873.exe	RegAsm.exe
PID 4816 wrote to memory of 3552	4816	Copy00106258873.exe	RegAsm.exe
PID 4816 wrote to memory of 3552	4816	Copy00106258873.exe	RegAsm.exe
PID 4816 wrote to memory of 3552	4816	Copy00106258873.exe	RegAsm.exe
PID 4816 wrote to memory of 3552	4816	Copy00106258873.exe	RegAsm.exe
PID 4816 wrote to memory of 3552	4816	Copy00106258873.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\Copy00106258873.exe
"C:\Users\Admin\AppData\Local\Temp\Copy00106258873.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4816
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:3552

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

memory/4816-0-0x00000000747CE000-0x00000000747CF000-memory.dmp

Filesize
4KB

Download
memory/4816-1-0x0000000000F60000-0x0000000000FB0000-memory.dmp

Filesize
320KB

Download
memory/4816-2-0x00000000747C0000-0x0000000074F70000-memory.dmp

Filesize
7.7MB

Download
memory/4816-3-0x0000000007A90000-0x0000000007CC6000-memory.dmp

Filesize
2.2MB

Download
memory/4816-4-0x0000000008270000-0x0000000008814000-memory.dmp

Filesize
5.6MB

Download
memory/4816-5-0x0000000007D80000-0x0000000007E12000-memory.dmp

Filesize
584KB

Download
memory/4816-6-0x0000000007A90000-0x0000000007CC0000-memory.dmp

Filesize
2.2MB

Download
memory/4816-9-0x0000000007A90000-0x0000000007CC0000-memory.dmp

Filesize
2.2MB

Download
memory/4816-7-0x0000000007A90000-0x0000000007CC0000-memory.dmp

Filesize
2.2MB

Download
memory/4816-33-0x0000000007A90000-0x0000000007CC0000-memory.dmp

Filesize
2.2MB

Download
memory/4816-23-0x0000000007A90000-0x0000000007CC0000-memory.dmp

Filesize
2.2MB

Download
memory/4816-21-0x0000000007A90000-0x0000000007CC0000-memory.dmp

Filesize
2.2MB

Download
memory/4816-20-0x0000000007A90000-0x0000000007CC0000-memory.dmp

Filesize
2.2MB

Download
memory/4816-17-0x0000000007A90000-0x0000000007CC0000-memory.dmp

Filesize
2.2MB

Download
memory/4816-15-0x0000000007A90000-0x0000000007CC0000-memory.dmp

Filesize
2.2MB

Download
memory/4816-13-0x0000000007A90000-0x0000000007CC0000-memory.dmp

Filesize
2.2MB

Download
memory/4816-11-0x0000000007A90000-0x0000000007CC0000-memory.dmp

Filesize
2.2MB

Download
memory/4816-49-0x0000000007A90000-0x0000000007CC0000-memory.dmp

Filesize
2.2MB

Download
memory/4816-65-0x0000000007A90000-0x0000000007CC0000-memory.dmp

Filesize
2.2MB

Download
memory/4816-63-0x0000000007A90000-0x0000000007CC0000-memory.dmp

Filesize
2.2MB

Download
memory/4816-59-0x0000000007A90000-0x0000000007CC0000-memory.dmp

Filesize
2.2MB

Download
memory/4816-57-0x0000000007A90000-0x0000000007CC0000-memory.dmp

Filesize
2.2MB

Download
memory/4816-55-0x0000000007A90000-0x0000000007CC0000-memory.dmp

Filesize
2.2MB

Download
memory/4816-53-0x0000000007A90000-0x0000000007CC0000-memory.dmp

Filesize
2.2MB

Download
memory/4816-61-0x0000000007A90000-0x0000000007CC0000-memory.dmp

Filesize
2.2MB

Download
memory/4816-51-0x0000000007A90000-0x0000000007CC0000-memory.dmp

Filesize
2.2MB

Download
memory/4816-47-0x0000000007A90000-0x0000000007CC0000-memory.dmp

Filesize
2.2MB

Download
memory/4816-45-0x0000000007A90000-0x0000000007CC0000-memory.dmp

Filesize
2.2MB

Download
memory/4816-43-0x0000000007A90000-0x0000000007CC0000-memory.dmp

Filesize
2.2MB

Download
memory/4816-41-0x0000000007A90000-0x0000000007CC0000-memory.dmp

Filesize
2.2MB

Download
memory/4816-39-0x0000000007A90000-0x0000000007CC0000-memory.dmp

Filesize
2.2MB

Download
memory/4816-37-0x0000000007A90000-0x0000000007CC0000-memory.dmp

Filesize
2.2MB

Download
memory/4816-35-0x0000000007A90000-0x0000000007CC0000-memory.dmp

Filesize
2.2MB

Download
memory/4816-31-0x0000000007A90000-0x0000000007CC0000-memory.dmp

Filesize
2.2MB

Download
memory/4816-29-0x0000000007A90000-0x0000000007CC0000-memory.dmp

Filesize
2.2MB

Download
memory/4816-27-0x0000000007A90000-0x0000000007CC0000-memory.dmp

Filesize
2.2MB

Download
memory/4816-25-0x0000000007A90000-0x0000000007CC0000-memory.dmp

Filesize
2.2MB

Download
memory/4816-69-0x0000000007A90000-0x0000000007CC0000-memory.dmp

Filesize
2.2MB

Download
memory/4816-67-0x0000000007A90000-0x0000000007CC0000-memory.dmp

Filesize
2.2MB

Download
memory/4816-4886-0x00000000747C0000-0x0000000074F70000-memory.dmp

Filesize
7.7MB

Download
memory/4816-4887-0x0000000006270000-0x00000000062E2000-memory.dmp

Filesize
456KB

Download
memory/4816-4888-0x0000000006810000-0x000000000685C000-memory.dmp

Filesize
304KB

Download
memory/4816-4889-0x00000000747CE000-0x00000000747CF000-memory.dmp

Filesize
4KB

Download
memory/4816-4890-0x00000000747C0000-0x0000000074F70000-memory.dmp

Filesize
7.7MB

Download
memory/4816-4891-0x00000000747C0000-0x0000000074F70000-memory.dmp

Filesize
7.7MB

Download
memory/4816-4892-0x00000000065A0000-0x00000000065F4000-memory.dmp

Filesize
336KB

Download
memory/4816-4898-0x00000000747C0000-0x0000000074F70000-memory.dmp

Filesize
7.7MB

Download