zgrat | da2af0e7d40676f69d49f5b6ec82eb64f3fd2cd370d736e96440fed6865ee38e

Analysis

max time kernel
146s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
18-01-2024 04:00

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General

Target

6468ae8449e80445d3c4f0b673789472.exe
Size

9.1MB
MD5

6468ae8449e80445d3c4f0b673789472
SHA1

760633b121e509b6a5b3e719b01ba9a6f55af242
SHA256

da2af0e7d40676f69d49f5b6ec82eb64f3fd2cd370d736e96440fed6865ee38e
SHA512

af9047a043b71448ff6583ec71c6524799d8718a97c610d9c5d5db79222bb216560c7442302ddf85ccea3a156a034735ff28271a76eb98e382f9313a9c09d7d9
SSDEEP

49152:o6htfsL5dZuUhBr1VmdK6y8z48RoczikkqydkvKsEluo1sp257eFMIyuqq+HbVb9:c

Score

10^/10

zgrat persistence rat

Malware Config

Signatures

Detect ZGRat V1 35 IoCs

resource	yara_rule
behavioral2/memory/1212-5-0x000000001CC40000-0x000000001CCC6000-memory.dmp	family_zgrat_v1
behavioral2/memory/1212-21-0x000000001CC40000-0x000000001CCC1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1212-33-0x000000001CC40000-0x000000001CCC1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1212-43-0x000000001CC40000-0x000000001CCC1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1212-59-0x000000001CC40000-0x000000001CCC1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1212-69-0x000000001CC40000-0x000000001CCC1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1212-67-0x000000001CC40000-0x000000001CCC1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1212-65-0x000000001CC40000-0x000000001CCC1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1212-63-0x000000001CC40000-0x000000001CCC1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1212-61-0x000000001CC40000-0x000000001CCC1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1212-57-0x000000001CC40000-0x000000001CCC1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1212-55-0x000000001CC40000-0x000000001CCC1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1212-53-0x000000001CC40000-0x000000001CCC1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1212-51-0x000000001CC40000-0x000000001CCC1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1212-49-0x000000001CC40000-0x000000001CCC1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1212-47-0x000000001CC40000-0x000000001CCC1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1212-45-0x000000001CC40000-0x000000001CCC1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1212-41-0x000000001CC40000-0x000000001CCC1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1212-39-0x000000001CC40000-0x000000001CCC1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1212-37-0x000000001CC40000-0x000000001CCC1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1212-35-0x000000001CC40000-0x000000001CCC1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1212-31-0x000000001CC40000-0x000000001CCC1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1212-29-0x000000001CC40000-0x000000001CCC1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1212-27-0x000000001CC40000-0x000000001CCC1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1212-25-0x000000001CC40000-0x000000001CCC1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1212-23-0x000000001CC40000-0x000000001CCC1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1212-19-0x000000001CC40000-0x000000001CCC1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1212-17-0x000000001CC40000-0x000000001CCC1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1212-15-0x000000001CC40000-0x000000001CCC1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1212-13-0x000000001CC40000-0x000000001CCC1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1212-11-0x000000001CC40000-0x000000001CCC1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1212-9-0x000000001CC40000-0x000000001CCC1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1212-7-0x000000001CC40000-0x000000001CCC1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1212-6-0x000000001CC40000-0x000000001CCC1000-memory.dmp	family_zgrat_v1
behavioral2/memory/4520-2562-0x000000001EFB0000-0x000000001F5F2000-memory.dmp	family_zgrat_v1

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation	6468ae8449e80445d3c4f0b673789472.exe

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\Bwtow = "\"C:\\Users\\Admin\\AppData\\Roaming\\Bwtow.exe\""	6468ae8449e80445d3c4f0b673789472.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1212 set thread context of 4520	1212	6468ae8449e80445d3c4f0b673789472.exe	109

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1212	6468ae8449e80445d3c4f0b673789472.exe
1212	6468ae8449e80445d3c4f0b673789472.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1212	6468ae8449e80445d3c4f0b673789472.exe
Token: SeManageVolumePrivilege	5016	svchost.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1212 wrote to memory of 4520	1212	6468ae8449e80445d3c4f0b673789472.exe	109
PID 1212 wrote to memory of 4520	1212	6468ae8449e80445d3c4f0b673789472.exe	109
PID 1212 wrote to memory of 4520	1212	6468ae8449e80445d3c4f0b673789472.exe	109
PID 1212 wrote to memory of 4520	1212	6468ae8449e80445d3c4f0b673789472.exe	109
PID 1212 wrote to memory of 4520	1212	6468ae8449e80445d3c4f0b673789472.exe	109
PID 1212 wrote to memory of 4520	1212	6468ae8449e80445d3c4f0b673789472.exe	109
PID 4520 wrote to memory of 1200	4520	6468ae8449e80445d3c4f0b673789472.exe	111
PID 4520 wrote to memory of 1200	4520	6468ae8449e80445d3c4f0b673789472.exe	111

C:\Users\Admin\AppData\Local\Temp\6468ae8449e80445d3c4f0b673789472.exe
"C:\Users\Admin\AppData\Local\Temp\6468ae8449e80445d3c4f0b673789472.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1212
- C:\Users\Admin\AppData\Local\Temp\6468ae8449e80445d3c4f0b673789472.exe
  C:\Users\Admin\AppData\Local\Temp\6468ae8449e80445d3c4f0b673789472.exe
  2⤵
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:4520
- - C:\Windows\System32\cmd.exe
    "C:\Windows\System32\cmd.exe" /K & exit
    3⤵
    PID:1200

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
1⤵
PID:3840

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k UnistackSvcGroup
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:5016

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1212-39-0x000000001CC40000-0x000000001CCC1000-memory.dmp

Filesize
516KB

Download
memory/1212-21-0x000000001CC40000-0x000000001CCC1000-memory.dmp

Filesize
516KB

Download
memory/1212-2-0x00000000027B0000-0x00000000027C0000-memory.dmp

Filesize
64KB

Download
memory/1212-3-0x00007FFB4DB40000-0x00007FFB4E601000-memory.dmp

Filesize
10.8MB

Download
memory/1212-4-0x000000001E090000-0x000000001E702000-memory.dmp

Filesize
6.4MB

Download
memory/1212-5-0x000000001CC40000-0x000000001CCC6000-memory.dmp

Filesize
536KB

Download
memory/1212-37-0x000000001CC40000-0x000000001CCC1000-memory.dmp

Filesize
516KB

Download
memory/1212-33-0x000000001CC40000-0x000000001CCC1000-memory.dmp

Filesize
516KB

Download
memory/1212-43-0x000000001CC40000-0x000000001CCC1000-memory.dmp

Filesize
516KB

Download
memory/1212-59-0x000000001CC40000-0x000000001CCC1000-memory.dmp

Filesize
516KB

Download
memory/1212-69-0x000000001CC40000-0x000000001CCC1000-memory.dmp

Filesize
516KB

Download
memory/1212-35-0x000000001CC40000-0x000000001CCC1000-memory.dmp

Filesize
516KB

Download
memory/1212-67-0x000000001CC40000-0x000000001CCC1000-memory.dmp

Filesize
516KB

Download
memory/1212-65-0x000000001CC40000-0x000000001CCC1000-memory.dmp

Filesize
516KB

Download
memory/1212-63-0x000000001CC40000-0x000000001CCC1000-memory.dmp

Filesize
516KB

Download
memory/1212-61-0x000000001CC40000-0x000000001CCC1000-memory.dmp

Filesize
516KB

Download
memory/1212-57-0x000000001CC40000-0x000000001CCC1000-memory.dmp

Filesize
516KB

Download
memory/1212-55-0x000000001CC40000-0x000000001CCC1000-memory.dmp

Filesize
516KB

Download
memory/1212-53-0x000000001CC40000-0x000000001CCC1000-memory.dmp

Filesize
516KB

Download
memory/1212-51-0x000000001CC40000-0x000000001CCC1000-memory.dmp

Filesize
516KB

Download
memory/1212-1-0x0000000000480000-0x0000000000D9A000-memory.dmp

Filesize
9.1MB

Download
memory/1212-47-0x000000001CC40000-0x000000001CCC1000-memory.dmp

Filesize
516KB

Download
memory/1212-45-0x000000001CC40000-0x000000001CCC1000-memory.dmp

Filesize
516KB

Download
memory/1212-41-0x000000001CC40000-0x000000001CCC1000-memory.dmp

Filesize
516KB

Download
memory/1212-49-0x000000001CC40000-0x000000001CCC1000-memory.dmp

Filesize
516KB

Download
memory/1212-0-0x00007FFB4DB40000-0x00007FFB4E601000-memory.dmp

Filesize
10.8MB

Download
memory/1212-87-0x00000000027B0000-0x00000000027C0000-memory.dmp

Filesize
64KB

Download
memory/1212-31-0x000000001CC40000-0x000000001CCC1000-memory.dmp

Filesize
516KB

Download
memory/1212-29-0x000000001CC40000-0x000000001CCC1000-memory.dmp

Filesize
516KB

Download
memory/1212-27-0x000000001CC40000-0x000000001CCC1000-memory.dmp

Filesize
516KB

Download
memory/1212-25-0x000000001CC40000-0x000000001CCC1000-memory.dmp

Filesize
516KB

Download
memory/1212-23-0x000000001CC40000-0x000000001CCC1000-memory.dmp

Filesize
516KB

Download
memory/1212-19-0x000000001CC40000-0x000000001CCC1000-memory.dmp

Filesize
516KB

Download
memory/1212-17-0x000000001CC40000-0x000000001CCC1000-memory.dmp

Filesize
516KB

Download
memory/1212-15-0x000000001CC40000-0x000000001CCC1000-memory.dmp

Filesize
516KB

Download
memory/1212-13-0x000000001CC40000-0x000000001CCC1000-memory.dmp

Filesize
516KB

Download
memory/1212-11-0x000000001CC40000-0x000000001CCC1000-memory.dmp

Filesize
516KB

Download
memory/1212-9-0x000000001CC40000-0x000000001CCC1000-memory.dmp

Filesize
516KB

Download
memory/1212-7-0x000000001CC40000-0x000000001CCC1000-memory.dmp

Filesize
516KB

Download
memory/1212-6-0x000000001CC40000-0x000000001CCC1000-memory.dmp

Filesize
516KB

Download
memory/1212-2515-0x0000000001D70000-0x0000000001D78000-memory.dmp

Filesize
32KB

Download
memory/1212-2546-0x00000000027B0000-0x00000000027C0000-memory.dmp

Filesize
64KB

Download
memory/1212-2558-0x00007FFB4DB40000-0x00007FFB4E601000-memory.dmp

Filesize
10.8MB

Download
memory/4520-2555-0x0000000140000000-0x000000014062A000-memory.dmp

Filesize
6.2MB

Download
memory/4520-2557-0x00007FFB4DB40000-0x00007FFB4E601000-memory.dmp

Filesize
10.8MB

Download
memory/4520-2560-0x00007FFB4DB40000-0x00007FFB4E601000-memory.dmp

Filesize
10.8MB

Download
memory/4520-2562-0x000000001EFB0000-0x000000001F5F2000-memory.dmp

Filesize
6.3MB

Download
memory/4520-2561-0x000000001CEB0000-0x000000001CEC0000-memory.dmp

Filesize
64KB

Download
memory/4520-3255-0x000000001CEB0000-0x000000001CEC0000-memory.dmp

Filesize
64KB

Download