zgrat | cdfe884cee1ae053d17300dfe2ddc89e21371fe4fea96d1102069685a9e71f56

Analysis

max time kernel
145s
max time network
145s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
15-03-2024 03:25

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General

Target

ca5cb50618d8df2b8f67fb562d535a1b.exe
Size

2.8MB
MD5

ca5cb50618d8df2b8f67fb562d535a1b
SHA1

e648d0dc065cd1d017f805dc29e5e26ee65c8273
SHA256

cdfe884cee1ae053d17300dfe2ddc89e21371fe4fea96d1102069685a9e71f56
SHA512

942467e68ae0f765d72377ef4698c56d9cc2b799894db85ecfe03bd77d0b5df8a3896623d12b6c0862ceb2e236c25d8a1962d4f07a2d7985af57a5f5b37e118c
SSDEEP

49152:uE/UJ104hpI+JOK1DCSnpCsVhwie8rqk8T:DT

Score

10^/10

zgrat persistence rat

Malware Config

Signatures

Detect ZGRat V1 34 IoCs

resource	yara_rule
behavioral1/memory/3068-4-0x0000000000950000-0x00000000009CC000-memory.dmp	family_zgrat_v1
behavioral1/memory/3068-5-0x0000000000950000-0x00000000009C5000-memory.dmp	family_zgrat_v1
behavioral1/memory/3068-6-0x0000000000950000-0x00000000009C5000-memory.dmp	family_zgrat_v1
behavioral1/memory/3068-8-0x0000000000950000-0x00000000009C5000-memory.dmp	family_zgrat_v1
behavioral1/memory/3068-10-0x0000000000950000-0x00000000009C5000-memory.dmp	family_zgrat_v1
behavioral1/memory/3068-12-0x0000000000950000-0x00000000009C5000-memory.dmp	family_zgrat_v1
behavioral1/memory/3068-14-0x0000000000950000-0x00000000009C5000-memory.dmp	family_zgrat_v1
behavioral1/memory/3068-16-0x0000000000950000-0x00000000009C5000-memory.dmp	family_zgrat_v1
behavioral1/memory/3068-18-0x0000000000950000-0x00000000009C5000-memory.dmp	family_zgrat_v1
behavioral1/memory/3068-26-0x0000000000950000-0x00000000009C5000-memory.dmp	family_zgrat_v1
behavioral1/memory/3068-24-0x0000000000950000-0x00000000009C5000-memory.dmp	family_zgrat_v1
behavioral1/memory/3068-22-0x0000000000950000-0x00000000009C5000-memory.dmp	family_zgrat_v1
behavioral1/memory/3068-28-0x0000000000950000-0x00000000009C5000-memory.dmp	family_zgrat_v1
behavioral1/memory/3068-20-0x0000000000950000-0x00000000009C5000-memory.dmp	family_zgrat_v1
behavioral1/memory/3068-30-0x0000000000950000-0x00000000009C5000-memory.dmp	family_zgrat_v1
behavioral1/memory/3068-34-0x0000000000950000-0x00000000009C5000-memory.dmp	family_zgrat_v1
behavioral1/memory/3068-36-0x0000000000950000-0x00000000009C5000-memory.dmp	family_zgrat_v1
behavioral1/memory/3068-32-0x0000000000950000-0x00000000009C5000-memory.dmp	family_zgrat_v1
behavioral1/memory/3068-38-0x0000000000950000-0x00000000009C5000-memory.dmp	family_zgrat_v1
behavioral1/memory/3068-40-0x0000000000950000-0x00000000009C5000-memory.dmp	family_zgrat_v1
behavioral1/memory/3068-42-0x0000000000950000-0x00000000009C5000-memory.dmp	family_zgrat_v1
behavioral1/memory/3068-57-0x0000000000950000-0x00000000009C5000-memory.dmp	family_zgrat_v1
behavioral1/memory/3068-59-0x0000000000950000-0x00000000009C5000-memory.dmp	family_zgrat_v1
behavioral1/memory/3068-55-0x0000000000950000-0x00000000009C5000-memory.dmp	family_zgrat_v1
behavioral1/memory/3068-67-0x0000000000950000-0x00000000009C5000-memory.dmp	family_zgrat_v1
behavioral1/memory/3068-69-0x0000000000950000-0x00000000009C5000-memory.dmp	family_zgrat_v1
behavioral1/memory/3068-65-0x0000000000950000-0x00000000009C5000-memory.dmp	family_zgrat_v1
behavioral1/memory/3068-63-0x0000000000950000-0x00000000009C5000-memory.dmp	family_zgrat_v1
behavioral1/memory/3068-61-0x0000000000950000-0x00000000009C5000-memory.dmp	family_zgrat_v1
behavioral1/memory/3068-53-0x0000000000950000-0x00000000009C5000-memory.dmp	family_zgrat_v1
behavioral1/memory/3068-51-0x0000000000950000-0x00000000009C5000-memory.dmp	family_zgrat_v1
behavioral1/memory/3068-49-0x0000000000950000-0x00000000009C5000-memory.dmp	family_zgrat_v1
behavioral1/memory/3068-47-0x0000000000950000-0x00000000009C5000-memory.dmp	family_zgrat_v1
behavioral1/memory/3068-45-0x0000000000950000-0x00000000009C5000-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-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\jusched = "\"C:\\Users\\Admin\\AppData\\Roaming\\jusched.exe\""	ca5cb50618d8df2b8f67fb562d535a1b.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
2332	ca5cb50618d8df2b8f67fb562d535a1b.exe
2332	ca5cb50618d8df2b8f67fb562d535a1b.exe
2332	ca5cb50618d8df2b8f67fb562d535a1b.exe
2332	ca5cb50618d8df2b8f67fb562d535a1b.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3068 set thread context of 2332	3068	ca5cb50618d8df2b8f67fb562d535a1b.exe	34

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3068	ca5cb50618d8df2b8f67fb562d535a1b.exe
3068	ca5cb50618d8df2b8f67fb562d535a1b.exe
3068	ca5cb50618d8df2b8f67fb562d535a1b.exe
3068	ca5cb50618d8df2b8f67fb562d535a1b.exe
3068	ca5cb50618d8df2b8f67fb562d535a1b.exe
3068	ca5cb50618d8df2b8f67fb562d535a1b.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3068	ca5cb50618d8df2b8f67fb562d535a1b.exe
Token: SeDebugPrivilege	2332	ca5cb50618d8df2b8f67fb562d535a1b.exe
Token: SeShutdownPrivilege	2332	ca5cb50618d8df2b8f67fb562d535a1b.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2332	ca5cb50618d8df2b8f67fb562d535a1b.exe
2332	ca5cb50618d8df2b8f67fb562d535a1b.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 3068 wrote to memory of 1972	3068	ca5cb50618d8df2b8f67fb562d535a1b.exe	30
PID 3068 wrote to memory of 1972	3068	ca5cb50618d8df2b8f67fb562d535a1b.exe	30
PID 3068 wrote to memory of 1972	3068	ca5cb50618d8df2b8f67fb562d535a1b.exe	30
PID 3068 wrote to memory of 1972	3068	ca5cb50618d8df2b8f67fb562d535a1b.exe	30
PID 1972 wrote to memory of 2912	1972	WScript.exe	31
PID 1972 wrote to memory of 2912	1972	WScript.exe	31
PID 1972 wrote to memory of 2912	1972	WScript.exe	31
PID 1972 wrote to memory of 2912	1972	WScript.exe	31
PID 3068 wrote to memory of 1636	3068	ca5cb50618d8df2b8f67fb562d535a1b.exe	33
PID 3068 wrote to memory of 1636	3068	ca5cb50618d8df2b8f67fb562d535a1b.exe	33
PID 3068 wrote to memory of 1636	3068	ca5cb50618d8df2b8f67fb562d535a1b.exe	33
PID 3068 wrote to memory of 1636	3068	ca5cb50618d8df2b8f67fb562d535a1b.exe	33
PID 3068 wrote to memory of 1636	3068	ca5cb50618d8df2b8f67fb562d535a1b.exe	33
PID 3068 wrote to memory of 1636	3068	ca5cb50618d8df2b8f67fb562d535a1b.exe	33
PID 3068 wrote to memory of 1636	3068	ca5cb50618d8df2b8f67fb562d535a1b.exe	33
PID 3068 wrote to memory of 2332	3068	ca5cb50618d8df2b8f67fb562d535a1b.exe	34
PID 3068 wrote to memory of 2332	3068	ca5cb50618d8df2b8f67fb562d535a1b.exe	34
PID 3068 wrote to memory of 2332	3068	ca5cb50618d8df2b8f67fb562d535a1b.exe	34
PID 3068 wrote to memory of 2332	3068	ca5cb50618d8df2b8f67fb562d535a1b.exe	34
PID 3068 wrote to memory of 2332	3068	ca5cb50618d8df2b8f67fb562d535a1b.exe	34
PID 3068 wrote to memory of 2332	3068	ca5cb50618d8df2b8f67fb562d535a1b.exe	34
PID 3068 wrote to memory of 2332	3068	ca5cb50618d8df2b8f67fb562d535a1b.exe	34
PID 3068 wrote to memory of 2332	3068	ca5cb50618d8df2b8f67fb562d535a1b.exe	34
PID 3068 wrote to memory of 2332	3068	ca5cb50618d8df2b8f67fb562d535a1b.exe	34
PID 3068 wrote to memory of 2332	3068	ca5cb50618d8df2b8f67fb562d535a1b.exe	34
PID 3068 wrote to memory of 2332	3068	ca5cb50618d8df2b8f67fb562d535a1b.exe	34
PID 3068 wrote to memory of 2332	3068	ca5cb50618d8df2b8f67fb562d535a1b.exe	34
PID 3068 wrote to memory of 2332	3068	ca5cb50618d8df2b8f67fb562d535a1b.exe	34
PID 3068 wrote to memory of 2332	3068	ca5cb50618d8df2b8f67fb562d535a1b.exe	34
PID 3068 wrote to memory of 2332	3068	ca5cb50618d8df2b8f67fb562d535a1b.exe	34

C:\Users\Admin\AppData\Local\Temp\ca5cb50618d8df2b8f67fb562d535a1b.exe
"C:\Users\Admin\AppData\Local\Temp\ca5cb50618d8df2b8f67fb562d535a1b.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3068
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\_Bhvohqh.vbs"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1972
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Set-MpPreference -ExclusionPath C:\,'C:\Users\Admin\AppData\Roaming\jusched.exe'
    3⤵
    PID:2912
- C:\Users\Admin\AppData\Local\Temp\ca5cb50618d8df2b8f67fb562d535a1b.exe
  C:\Users\Admin\AppData\Local\Temp\ca5cb50618d8df2b8f67fb562d535a1b.exe
  2⤵
  PID:1636
- C:\Users\Admin\AppData\Local\Temp\ca5cb50618d8df2b8f67fb562d535a1b.exe
  C:\Users\Admin\AppData\Local\Temp\ca5cb50618d8df2b8f67fb562d535a1b.exe
  2⤵
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2332

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\_Bhvohqh.vbs

Filesize
137B

MD5
54dbeebd94ab33ba092390548db30f03

SHA1
d08403310ce5c5f36439409d727a9ab74c9b7cdb

SHA256
cfa50535cc06ef74329b8b2b3610fcd8d6fe629ae0637b6ecdf3b05b55f723d7

SHA512
6b832b2303a0af4fd2e7cd962517d93df47ab6b3ba3b72c464e5d30698c54dbca343cff373649bce064265e0fc35bc10b78d0530f30a90fe382091e60d51b864

Download Submit
memory/3068-36-0x0000000000950000-0x00000000009C5000-memory.dmp

Filesize
468KB

Download
memory/3068-10-0x0000000000950000-0x00000000009C5000-memory.dmp

Filesize
468KB

Download
memory/3068-3-0x0000000007E60000-0x0000000008072000-memory.dmp

Filesize
2.1MB

Download
memory/3068-32-0x0000000000950000-0x00000000009C5000-memory.dmp

Filesize
468KB

Download
memory/3068-5-0x0000000000950000-0x00000000009C5000-memory.dmp

Filesize
468KB

Download
memory/3068-40-0x0000000000950000-0x00000000009C5000-memory.dmp

Filesize
468KB

Download
memory/3068-8-0x0000000000950000-0x00000000009C5000-memory.dmp

Filesize
468KB

Download
memory/3068-38-0x0000000000950000-0x00000000009C5000-memory.dmp

Filesize
468KB

Download
memory/3068-12-0x0000000000950000-0x00000000009C5000-memory.dmp

Filesize
468KB

Download
memory/3068-14-0x0000000000950000-0x00000000009C5000-memory.dmp

Filesize
468KB

Download
memory/3068-16-0x0000000000950000-0x00000000009C5000-memory.dmp

Filesize
468KB

Download
memory/3068-18-0x0000000000950000-0x00000000009C5000-memory.dmp

Filesize
468KB

Download
memory/3068-26-0x0000000000950000-0x00000000009C5000-memory.dmp

Filesize
468KB

Download
memory/3068-24-0x0000000000950000-0x00000000009C5000-memory.dmp

Filesize
468KB

Download
memory/3068-22-0x0000000000950000-0x00000000009C5000-memory.dmp

Filesize
468KB

Download
memory/3068-28-0x0000000000950000-0x00000000009C5000-memory.dmp

Filesize
468KB

Download
memory/3068-20-0x0000000000950000-0x00000000009C5000-memory.dmp

Filesize
468KB

Download
memory/3068-30-0x0000000000950000-0x00000000009C5000-memory.dmp

Filesize
468KB

Download
memory/3068-34-0x0000000000950000-0x00000000009C5000-memory.dmp

Filesize
468KB

Download
memory/3068-0-0x0000000000F60000-0x0000000001234000-memory.dmp

Filesize
2.8MB

Download
memory/3068-4-0x0000000000950000-0x00000000009CC000-memory.dmp

Filesize
496KB

Download
memory/3068-2-0x0000000000A90000-0x0000000000AD0000-memory.dmp

Filesize
256KB

Download
memory/3068-6-0x0000000000950000-0x00000000009C5000-memory.dmp

Filesize
468KB

Download
memory/3068-42-0x0000000000950000-0x00000000009C5000-memory.dmp

Filesize
468KB

Download
memory/3068-57-0x0000000000950000-0x00000000009C5000-memory.dmp

Filesize
468KB

Download
memory/3068-59-0x0000000000950000-0x00000000009C5000-memory.dmp

Filesize
468KB

Download
memory/3068-55-0x0000000000950000-0x00000000009C5000-memory.dmp

Filesize
468KB

Download
memory/3068-67-0x0000000000950000-0x00000000009C5000-memory.dmp

Filesize
468KB

Download
memory/3068-69-0x0000000000950000-0x00000000009C5000-memory.dmp

Filesize
468KB

Download
memory/3068-65-0x0000000000950000-0x00000000009C5000-memory.dmp

Filesize
468KB

Download
memory/3068-63-0x0000000000950000-0x00000000009C5000-memory.dmp

Filesize
468KB

Download
memory/3068-61-0x0000000000950000-0x00000000009C5000-memory.dmp

Filesize
468KB

Download
memory/3068-53-0x0000000000950000-0x00000000009C5000-memory.dmp

Filesize
468KB

Download
memory/3068-51-0x0000000000950000-0x00000000009C5000-memory.dmp

Filesize
468KB

Download
memory/3068-49-0x0000000000950000-0x00000000009C5000-memory.dmp

Filesize
468KB

Download
memory/3068-47-0x0000000000950000-0x00000000009C5000-memory.dmp

Filesize
468KB

Download
memory/3068-45-0x0000000000950000-0x00000000009C5000-memory.dmp

Filesize
468KB

Download
memory/3068-44-0x00000000745A0000-0x0000000074C8E000-memory.dmp

Filesize
6.9MB

Download
memory/3068-2336-0x0000000000A90000-0x0000000000AD0000-memory.dmp

Filesize
256KB

Download
memory/3068-1-0x00000000745A0000-0x0000000074C8E000-memory.dmp

Filesize
6.9MB

Download
memory/3068-2358-0x00000000745A0000-0x0000000074C8E000-memory.dmp

Filesize
6.9MB

Download