zgrat | 3673fd28dc25cb26f8dad4aba5a280797cc5879e62bb064fa7d3e2bfb48b603b

Analysis

max time kernel
149s
max time network
154s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25/01/2024, 20:01

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

file.exe
Size

2.0MB
MD5

dade3d1f204511b49e65d585685a8b1f
SHA1

a9fd8b917236353283aa812b225c3c161f82addd
SHA256

3673fd28dc25cb26f8dad4aba5a280797cc5879e62bb064fa7d3e2bfb48b603b
SHA512

3e1ca769a2e342608fb4c0d4c730bbaa58be08ae197c8a460fdd0b14e5540b17d5bde325fc746b161cd89c960655a830a68c368d3a0cc88fa8b24ce17f23778c
SSDEEP

49152:jhm8pZbD1re5B1E8+/FB6UnBkBa1bpAm:VxDGl2Mdc1NAm

Score

10^/10

zgrat persistence rat

Malware Config

Signatures

Detect ZGRat V1 35 IoCs

resource	yara_rule
behavioral1/memory/1932-3-0x0000000004D00000-0x0000000004DFE000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-4-0x0000000004D00000-0x0000000004DF7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-5-0x0000000004D00000-0x0000000004DF7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-7-0x0000000004D00000-0x0000000004DF7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-9-0x0000000004D00000-0x0000000004DF7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-11-0x0000000004D00000-0x0000000004DF7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-13-0x0000000004D00000-0x0000000004DF7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-15-0x0000000004D00000-0x0000000004DF7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-17-0x0000000004D00000-0x0000000004DF7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-19-0x0000000004D00000-0x0000000004DF7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-21-0x0000000004D00000-0x0000000004DF7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-25-0x0000000004D00000-0x0000000004DF7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-23-0x0000000004D00000-0x0000000004DF7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-31-0x0000000004D00000-0x0000000004DF7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-29-0x0000000004D00000-0x0000000004DF7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-27-0x0000000004D00000-0x0000000004DF7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-39-0x0000000004D00000-0x0000000004DF7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-37-0x0000000004D00000-0x0000000004DF7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-35-0x0000000004D00000-0x0000000004DF7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-33-0x0000000004D00000-0x0000000004DF7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-41-0x0000000004D00000-0x0000000004DF7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-47-0x0000000004D00000-0x0000000004DF7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-45-0x0000000004D00000-0x0000000004DF7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-43-0x0000000004D00000-0x0000000004DF7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-51-0x0000000004D00000-0x0000000004DF7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-49-0x0000000004D00000-0x0000000004DF7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-55-0x0000000004D00000-0x0000000004DF7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-53-0x0000000004D00000-0x0000000004DF7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-59-0x0000000004D00000-0x0000000004DF7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-57-0x0000000004D00000-0x0000000004DF7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-63-0x0000000004D00000-0x0000000004DF7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-61-0x0000000004D00000-0x0000000004DF7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-67-0x0000000004D00000-0x0000000004DF7000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-65-0x0000000004D00000-0x0000000004DF7000-memory.dmp	family_zgrat_v1
behavioral1/memory/2808-967-0x00000000008D0000-0x00000000009A6000-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\clinet = "C:\\Users\\Admin\\AppData\\Roaming\\clinet.exe"	file.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1932 set thread context of 2808	1932	file.exe	33

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1968	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1932	file.exe
Token: SeDebugPrivilege	1968	powershell.exe
Token: SeDebugPrivilege	2808	file.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1932 wrote to memory of 1968	1932	file.exe	29
PID 1932 wrote to memory of 1968	1932	file.exe	29
PID 1932 wrote to memory of 1968	1932	file.exe	29
PID 1932 wrote to memory of 1968	1932	file.exe	29
PID 1932 wrote to memory of 2808	1932	file.exe	33
PID 1932 wrote to memory of 2808	1932	file.exe	33
PID 1932 wrote to memory of 2808	1932	file.exe	33
PID 1932 wrote to memory of 2808	1932	file.exe	33
PID 1932 wrote to memory of 2808	1932	file.exe	33
PID 1932 wrote to memory of 2808	1932	file.exe	33
PID 1932 wrote to memory of 2808	1932	file.exe	33
PID 1932 wrote to memory of 2808	1932	file.exe	33
PID 1932 wrote to memory of 2808	1932	file.exe	33

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1932
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc 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
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1968
- C:\Users\Admin\AppData\Local\Temp\file.exe
  C:\Users\Admin\AppData\Local\Temp\file.exe
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2808

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1932-1-0x0000000074C50000-0x000000007533E000-memory.dmp

Filesize
6.9MB

Download
memory/1932-0-0x00000000009B0000-0x0000000000BB0000-memory.dmp

Filesize
2.0MB

Download
memory/1932-2-0x0000000004CC0000-0x0000000004D00000-memory.dmp

Filesize
256KB

Download
memory/1932-3-0x0000000004D00000-0x0000000004DFE000-memory.dmp

Filesize
1016KB

Download
memory/1932-4-0x0000000004D00000-0x0000000004DF7000-memory.dmp

Filesize
988KB

Download
memory/1932-5-0x0000000004D00000-0x0000000004DF7000-memory.dmp

Filesize
988KB

Download
memory/1932-7-0x0000000004D00000-0x0000000004DF7000-memory.dmp

Filesize
988KB

Download
memory/1932-9-0x0000000004D00000-0x0000000004DF7000-memory.dmp

Filesize
988KB

Download
memory/1932-11-0x0000000004D00000-0x0000000004DF7000-memory.dmp

Filesize
988KB

Download
memory/1932-13-0x0000000004D00000-0x0000000004DF7000-memory.dmp

Filesize
988KB

Download
memory/1932-15-0x0000000004D00000-0x0000000004DF7000-memory.dmp

Filesize
988KB

Download
memory/1932-17-0x0000000004D00000-0x0000000004DF7000-memory.dmp

Filesize
988KB

Download
memory/1932-19-0x0000000004D00000-0x0000000004DF7000-memory.dmp

Filesize
988KB

Download
memory/1932-21-0x0000000004D00000-0x0000000004DF7000-memory.dmp

Filesize
988KB

Download
memory/1932-25-0x0000000004D00000-0x0000000004DF7000-memory.dmp

Filesize
988KB

Download
memory/1932-23-0x0000000004D00000-0x0000000004DF7000-memory.dmp

Filesize
988KB

Download
memory/1932-31-0x0000000004D00000-0x0000000004DF7000-memory.dmp

Filesize
988KB

Download
memory/1932-29-0x0000000004D00000-0x0000000004DF7000-memory.dmp

Filesize
988KB

Download
memory/1932-27-0x0000000004D00000-0x0000000004DF7000-memory.dmp

Filesize
988KB

Download
memory/1932-39-0x0000000004D00000-0x0000000004DF7000-memory.dmp

Filesize
988KB

Download
memory/1932-37-0x0000000004D00000-0x0000000004DF7000-memory.dmp

Filesize
988KB

Download
memory/1932-35-0x0000000004D00000-0x0000000004DF7000-memory.dmp

Filesize
988KB

Download
memory/1932-33-0x0000000004D00000-0x0000000004DF7000-memory.dmp

Filesize
988KB

Download
memory/1932-41-0x0000000004D00000-0x0000000004DF7000-memory.dmp

Filesize
988KB

Download
memory/1932-47-0x0000000004D00000-0x0000000004DF7000-memory.dmp

Filesize
988KB

Download
memory/1932-45-0x0000000004D00000-0x0000000004DF7000-memory.dmp

Filesize
988KB

Download
memory/1932-43-0x0000000004D00000-0x0000000004DF7000-memory.dmp

Filesize
988KB

Download
memory/1932-51-0x0000000004D00000-0x0000000004DF7000-memory.dmp

Filesize
988KB

Download
memory/1932-49-0x0000000004D00000-0x0000000004DF7000-memory.dmp

Filesize
988KB

Download
memory/1932-55-0x0000000004D00000-0x0000000004DF7000-memory.dmp

Filesize
988KB

Download
memory/1932-53-0x0000000004D00000-0x0000000004DF7000-memory.dmp

Filesize
988KB

Download
memory/1932-59-0x0000000004D00000-0x0000000004DF7000-memory.dmp

Filesize
988KB

Download
memory/1932-57-0x0000000004D00000-0x0000000004DF7000-memory.dmp

Filesize
988KB

Download
memory/1932-63-0x0000000004D00000-0x0000000004DF7000-memory.dmp

Filesize
988KB

Download
memory/1932-61-0x0000000004D00000-0x0000000004DF7000-memory.dmp

Filesize
988KB

Download
memory/1932-67-0x0000000004D00000-0x0000000004DF7000-memory.dmp

Filesize
988KB

Download
memory/1932-65-0x0000000004D00000-0x0000000004DF7000-memory.dmp

Filesize
988KB

Download
memory/1932-936-0x0000000000490000-0x0000000000491000-memory.dmp

Filesize
4KB

Download
memory/1932-937-0x0000000004480000-0x0000000004514000-memory.dmp

Filesize
592KB

Download
memory/1932-938-0x0000000002020000-0x000000000206C000-memory.dmp

Filesize
304KB

Download
memory/1932-945-0x0000000074C50000-0x000000007533E000-memory.dmp

Filesize
6.9MB

Download
memory/1932-946-0x0000000004CC0000-0x0000000004D00000-memory.dmp

Filesize
256KB

Download
memory/1932-965-0x0000000074C50000-0x000000007533E000-memory.dmp

Filesize
6.9MB

Download
memory/1968-941-0x000000006FAF0000-0x000000007009B000-memory.dmp

Filesize
5.7MB

Download
memory/1968-942-0x0000000002380000-0x00000000023C0000-memory.dmp

Filesize
256KB

Download
memory/1968-943-0x0000000002380000-0x00000000023C0000-memory.dmp

Filesize
256KB

Download
memory/1968-944-0x000000006FAF0000-0x000000007009B000-memory.dmp

Filesize
5.7MB

Download
memory/2808-964-0x0000000074C50000-0x000000007533E000-memory.dmp

Filesize
6.9MB

Download
memory/2808-963-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/2808-966-0x0000000004C80000-0x0000000004CC0000-memory.dmp

Filesize
256KB

Download
memory/2808-967-0x00000000008D0000-0x00000000009A6000-memory.dmp

Filesize
856KB

Download
memory/2808-7002-0x0000000074C50000-0x000000007533E000-memory.dmp

Filesize
6.9MB

Download
memory/2808-7003-0x0000000004C80000-0x0000000004CC0000-memory.dmp

Filesize
256KB

Download