zgrat | a8582fec38f091e2c010b935f44d17b0357a4df55ca4b03c0c25b75640e1997c

Analysis

max time kernel
118s
max time network
122s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
27/01/2024, 14:50

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

7a8816516d1fd8a5ed5d776e19f55c2c.exe
Size

638KB
MD5

7a8816516d1fd8a5ed5d776e19f55c2c
SHA1

bf2766fc7f539378e6fb0f76375fcb601015dd58
SHA256

a8582fec38f091e2c010b935f44d17b0357a4df55ca4b03c0c25b75640e1997c
SHA512

d15365f42d63f5520ad58510b453d8ad07b1648bd34e89aabe210a047722a19c4b96ce6e563a34479cfcf21f3e4b358283a745e72e370ae2c452838610bafa96
SSDEEP

12288:k3WjEfEioef1MQxBzi05hrsRApwRBTg0VArtwR/7gzK5:SuJUf1M2i05BwRBfVRzgW5

Score

10^/10

zgrat rat

Malware Config

Signatures

Detect ZGRat V1 34 IoCs

resource	yara_rule
behavioral1/memory/2844-4-0x0000000000C30000-0x0000000000C96000-memory.dmp	family_zgrat_v1
behavioral1/memory/2844-6-0x0000000000C30000-0x0000000000C91000-memory.dmp	family_zgrat_v1
behavioral1/memory/2844-7-0x0000000000C30000-0x0000000000C91000-memory.dmp	family_zgrat_v1
behavioral1/memory/2844-9-0x0000000000C30000-0x0000000000C91000-memory.dmp	family_zgrat_v1
behavioral1/memory/2844-11-0x0000000000C30000-0x0000000000C91000-memory.dmp	family_zgrat_v1
behavioral1/memory/2844-13-0x0000000000C30000-0x0000000000C91000-memory.dmp	family_zgrat_v1
behavioral1/memory/2844-15-0x0000000000C30000-0x0000000000C91000-memory.dmp	family_zgrat_v1
behavioral1/memory/2844-17-0x0000000000C30000-0x0000000000C91000-memory.dmp	family_zgrat_v1
behavioral1/memory/2844-27-0x0000000000C30000-0x0000000000C91000-memory.dmp	family_zgrat_v1
behavioral1/memory/2844-25-0x0000000000C30000-0x0000000000C91000-memory.dmp	family_zgrat_v1
behavioral1/memory/2844-23-0x0000000000C30000-0x0000000000C91000-memory.dmp	family_zgrat_v1
behavioral1/memory/2844-31-0x0000000000C30000-0x0000000000C91000-memory.dmp	family_zgrat_v1
behavioral1/memory/2844-29-0x0000000000C30000-0x0000000000C91000-memory.dmp	family_zgrat_v1
behavioral1/memory/2844-21-0x0000000000C30000-0x0000000000C91000-memory.dmp	family_zgrat_v1
behavioral1/memory/2844-19-0x0000000000C30000-0x0000000000C91000-memory.dmp	family_zgrat_v1
behavioral1/memory/2844-35-0x0000000000C30000-0x0000000000C91000-memory.dmp	family_zgrat_v1
behavioral1/memory/2844-41-0x0000000000C30000-0x0000000000C91000-memory.dmp	family_zgrat_v1
behavioral1/memory/2844-39-0x0000000000C30000-0x0000000000C91000-memory.dmp	family_zgrat_v1
behavioral1/memory/2844-37-0x0000000000C30000-0x0000000000C91000-memory.dmp	family_zgrat_v1
behavioral1/memory/2844-47-0x0000000000C30000-0x0000000000C91000-memory.dmp	family_zgrat_v1
behavioral1/memory/2844-49-0x0000000000C30000-0x0000000000C91000-memory.dmp	family_zgrat_v1
behavioral1/memory/2844-45-0x0000000000C30000-0x0000000000C91000-memory.dmp	family_zgrat_v1
behavioral1/memory/2844-43-0x0000000000C30000-0x0000000000C91000-memory.dmp	family_zgrat_v1
behavioral1/memory/2844-33-0x0000000000C30000-0x0000000000C91000-memory.dmp	family_zgrat_v1
behavioral1/memory/2844-57-0x0000000000C30000-0x0000000000C91000-memory.dmp	family_zgrat_v1
behavioral1/memory/2844-55-0x0000000000C30000-0x0000000000C91000-memory.dmp	family_zgrat_v1
behavioral1/memory/2844-53-0x0000000000C30000-0x0000000000C91000-memory.dmp	family_zgrat_v1
behavioral1/memory/2844-51-0x0000000000C30000-0x0000000000C91000-memory.dmp	family_zgrat_v1
behavioral1/memory/2844-69-0x0000000000C30000-0x0000000000C91000-memory.dmp	family_zgrat_v1
behavioral1/memory/2844-67-0x0000000000C30000-0x0000000000C91000-memory.dmp	family_zgrat_v1
behavioral1/memory/2844-65-0x0000000000C30000-0x0000000000C91000-memory.dmp	family_zgrat_v1
behavioral1/memory/2844-63-0x0000000000C30000-0x0000000000C91000-memory.dmp	family_zgrat_v1
behavioral1/memory/2844-61-0x0000000000C30000-0x0000000000C91000-memory.dmp	family_zgrat_v1
behavioral1/memory/2844-59-0x0000000000C30000-0x0000000000C91000-memory.dmp	family_zgrat_v1

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

Deletes itself 1 IoCs

pid	Process
1808	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2844 set thread context of 1788	2844	7a8816516d1fd8a5ed5d776e19f55c2c.exe	33

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2844	7a8816516d1fd8a5ed5d776e19f55c2c.exe
2844	7a8816516d1fd8a5ed5d776e19f55c2c.exe
2844	7a8816516d1fd8a5ed5d776e19f55c2c.exe
2844	7a8816516d1fd8a5ed5d776e19f55c2c.exe
1808	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2844	7a8816516d1fd8a5ed5d776e19f55c2c.exe
Token: SeDebugPrivilege	1808	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1788	7a8816516d1fd8a5ed5d776e19f55c2c.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2844 wrote to memory of 1808	2844	7a8816516d1fd8a5ed5d776e19f55c2c.exe	31
PID 2844 wrote to memory of 1808	2844	7a8816516d1fd8a5ed5d776e19f55c2c.exe	31
PID 2844 wrote to memory of 1808	2844	7a8816516d1fd8a5ed5d776e19f55c2c.exe	31
PID 2844 wrote to memory of 1808	2844	7a8816516d1fd8a5ed5d776e19f55c2c.exe	31
PID 2844 wrote to memory of 1788	2844	7a8816516d1fd8a5ed5d776e19f55c2c.exe	33
PID 2844 wrote to memory of 1788	2844	7a8816516d1fd8a5ed5d776e19f55c2c.exe	33
PID 2844 wrote to memory of 1788	2844	7a8816516d1fd8a5ed5d776e19f55c2c.exe	33
PID 2844 wrote to memory of 1788	2844	7a8816516d1fd8a5ed5d776e19f55c2c.exe	33
PID 2844 wrote to memory of 1788	2844	7a8816516d1fd8a5ed5d776e19f55c2c.exe	33
PID 2844 wrote to memory of 1788	2844	7a8816516d1fd8a5ed5d776e19f55c2c.exe	33
PID 2844 wrote to memory of 1788	2844	7a8816516d1fd8a5ed5d776e19f55c2c.exe	33
PID 2844 wrote to memory of 1788	2844	7a8816516d1fd8a5ed5d776e19f55c2c.exe	33
PID 2844 wrote to memory of 1788	2844	7a8816516d1fd8a5ed5d776e19f55c2c.exe	33

C:\Users\Admin\AppData\Local\Temp\7a8816516d1fd8a5ed5d776e19f55c2c.exe
"C:\Users\Admin\AppData\Local\Temp\7a8816516d1fd8a5ed5d776e19f55c2c.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2844
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Sleep -s 5; Remove-Item -Path "C:\Users\Admin\AppData\Local\Temp\7a8816516d1fd8a5ed5d776e19f55c2c.exe" -Force
  2⤵
  - Deletes itself
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1808
- C:\Users\Admin\AppData\Local\Temp\7a8816516d1fd8a5ed5d776e19f55c2c.exe
  C:\Users\Admin\AppData\Local\Temp\7a8816516d1fd8a5ed5d776e19f55c2c.exe
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:1788

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1808-1934-0x00000000745F0000-0x0000000074B9B000-memory.dmp

Filesize
5.7MB

Download
memory/1808-1939-0x00000000745F0000-0x0000000074B9B000-memory.dmp

Filesize
5.7MB

Download
memory/1808-1937-0x0000000002820000-0x0000000002860000-memory.dmp

Filesize
256KB

Download
memory/1808-1938-0x0000000002820000-0x0000000002860000-memory.dmp

Filesize
256KB

Download
memory/1808-1936-0x0000000002820000-0x0000000002860000-memory.dmp

Filesize
256KB

Download
memory/1808-1935-0x00000000745F0000-0x0000000074B9B000-memory.dmp

Filesize
5.7MB

Download
memory/2844-39-0x0000000000C30000-0x0000000000C91000-memory.dmp

Filesize
388KB

Download
memory/2844-43-0x0000000000C30000-0x0000000000C91000-memory.dmp

Filesize
388KB

Download
memory/2844-9-0x0000000000C30000-0x0000000000C91000-memory.dmp

Filesize
388KB

Download
memory/2844-11-0x0000000000C30000-0x0000000000C91000-memory.dmp

Filesize
388KB

Download
memory/2844-13-0x0000000000C30000-0x0000000000C91000-memory.dmp

Filesize
388KB

Download
memory/2844-15-0x0000000000C30000-0x0000000000C91000-memory.dmp

Filesize
388KB

Download
memory/2844-17-0x0000000000C30000-0x0000000000C91000-memory.dmp

Filesize
388KB

Download
memory/2844-27-0x0000000000C30000-0x0000000000C91000-memory.dmp

Filesize
388KB

Download
memory/2844-25-0x0000000000C30000-0x0000000000C91000-memory.dmp

Filesize
388KB

Download
memory/2844-23-0x0000000000C30000-0x0000000000C91000-memory.dmp

Filesize
388KB

Download
memory/2844-31-0x0000000000C30000-0x0000000000C91000-memory.dmp

Filesize
388KB

Download
memory/2844-29-0x0000000000C30000-0x0000000000C91000-memory.dmp

Filesize
388KB

Download
memory/2844-21-0x0000000000C30000-0x0000000000C91000-memory.dmp

Filesize
388KB

Download
memory/2844-19-0x0000000000C30000-0x0000000000C91000-memory.dmp

Filesize
388KB

Download
memory/2844-35-0x0000000000C30000-0x0000000000C91000-memory.dmp

Filesize
388KB

Download
memory/2844-41-0x0000000000C30000-0x0000000000C91000-memory.dmp

Filesize
388KB

Download
memory/2844-1-0x0000000074620000-0x0000000074D0E000-memory.dmp

Filesize
6.9MB

Download
memory/2844-37-0x0000000000C30000-0x0000000000C91000-memory.dmp

Filesize
388KB

Download
memory/2844-47-0x0000000000C30000-0x0000000000C91000-memory.dmp

Filesize
388KB

Download
memory/2844-49-0x0000000000C30000-0x0000000000C91000-memory.dmp

Filesize
388KB

Download
memory/2844-45-0x0000000000C30000-0x0000000000C91000-memory.dmp

Filesize
388KB

Download
memory/2844-7-0x0000000000C30000-0x0000000000C91000-memory.dmp

Filesize
388KB

Download
memory/2844-33-0x0000000000C30000-0x0000000000C91000-memory.dmp

Filesize
388KB

Download
memory/2844-57-0x0000000000C30000-0x0000000000C91000-memory.dmp

Filesize
388KB

Download
memory/2844-55-0x0000000000C30000-0x0000000000C91000-memory.dmp

Filesize
388KB

Download
memory/2844-53-0x0000000000C30000-0x0000000000C91000-memory.dmp

Filesize
388KB

Download
memory/2844-51-0x0000000000C30000-0x0000000000C91000-memory.dmp

Filesize
388KB

Download
memory/2844-69-0x0000000000C30000-0x0000000000C91000-memory.dmp

Filesize
388KB

Download
memory/2844-67-0x0000000000C30000-0x0000000000C91000-memory.dmp

Filesize
388KB

Download
memory/2844-65-0x0000000000C30000-0x0000000000C91000-memory.dmp

Filesize
388KB

Download
memory/2844-63-0x0000000000C30000-0x0000000000C91000-memory.dmp

Filesize
388KB

Download
memory/2844-61-0x0000000000C30000-0x0000000000C91000-memory.dmp

Filesize
388KB

Download
memory/2844-59-0x0000000000C30000-0x0000000000C91000-memory.dmp

Filesize
388KB

Download
memory/2844-1757-0x0000000004A30000-0x0000000004A70000-memory.dmp

Filesize
256KB

Download
memory/2844-1930-0x0000000074620000-0x0000000074D0E000-memory.dmp

Filesize
6.9MB

Download
memory/2844-6-0x0000000000C30000-0x0000000000C91000-memory.dmp

Filesize
388KB

Download
memory/2844-5-0x0000000074620000-0x0000000074D0E000-memory.dmp

Filesize
6.9MB

Download
memory/2844-4-0x0000000000C30000-0x0000000000C96000-memory.dmp

Filesize
408KB

Download
memory/2844-3-0x0000000000DB0000-0x0000000000E52000-memory.dmp

Filesize
648KB

Download
memory/2844-2-0x0000000004A30000-0x0000000004A70000-memory.dmp

Filesize
256KB

Download
memory/2844-0-0x0000000000E80000-0x0000000000F26000-memory.dmp

Filesize
664KB

Download