zgrat | 34f47e63788cdb398c48ad06f3878ec9bce9fd0e261306b2c81b3796925f9240

Analysis

max time kernel
148s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
24/01/2024, 00:15

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General

Target

file.exe
Size

1.0MB
MD5

2fadc3984b71f0fd08c832adeedf2b52
SHA1

cc1fc06a55af72364fb0a1266d3f5936577162f9
SHA256

34f47e63788cdb398c48ad06f3878ec9bce9fd0e261306b2c81b3796925f9240
SHA512

63e8127e2d44cd98cd6225eb8d1f348f5e3e7d7f86900e2f949329f6d35a943147aa1fb72061a8868cfcd9e53fde536dc870b3a9c9248b6aab067774b1654685
SSDEEP

24576:YRTpHFT/k5TFVLFvo56Ht4VPNA4/DSI4:yFyVLDN4VlA4/DSI4

Score

10^/10

zgrat persistence rat

Malware Config

Signatures

Detect ZGRat V1 35 IoCs

resource	yara_rule
behavioral2/memory/3128-3-0x00000000054C0000-0x00000000055BE000-memory.dmp	family_zgrat_v1
behavioral2/memory/3128-4-0x00000000054C0000-0x00000000055B8000-memory.dmp	family_zgrat_v1
behavioral2/memory/3128-5-0x00000000054C0000-0x00000000055B8000-memory.dmp	family_zgrat_v1
behavioral2/memory/3128-7-0x00000000054C0000-0x00000000055B8000-memory.dmp	family_zgrat_v1
behavioral2/memory/3128-15-0x00000000054C0000-0x00000000055B8000-memory.dmp	family_zgrat_v1
behavioral2/memory/3128-19-0x00000000054C0000-0x00000000055B8000-memory.dmp	family_zgrat_v1
behavioral2/memory/3128-21-0x00000000054C0000-0x00000000055B8000-memory.dmp	family_zgrat_v1
behavioral2/memory/3128-17-0x00000000054C0000-0x00000000055B8000-memory.dmp	family_zgrat_v1
behavioral2/memory/3128-23-0x00000000054C0000-0x00000000055B8000-memory.dmp	family_zgrat_v1
behavioral2/memory/3128-13-0x00000000054C0000-0x00000000055B8000-memory.dmp	family_zgrat_v1
behavioral2/memory/3128-25-0x00000000054C0000-0x00000000055B8000-memory.dmp	family_zgrat_v1
behavioral2/memory/3128-11-0x00000000054C0000-0x00000000055B8000-memory.dmp	family_zgrat_v1
behavioral2/memory/3128-9-0x00000000054C0000-0x00000000055B8000-memory.dmp	family_zgrat_v1
behavioral2/memory/3128-27-0x00000000054C0000-0x00000000055B8000-memory.dmp	family_zgrat_v1
behavioral2/memory/3128-29-0x00000000054C0000-0x00000000055B8000-memory.dmp	family_zgrat_v1
behavioral2/memory/3128-35-0x00000000054C0000-0x00000000055B8000-memory.dmp	family_zgrat_v1
behavioral2/memory/3128-39-0x00000000054C0000-0x00000000055B8000-memory.dmp	family_zgrat_v1
behavioral2/memory/3128-43-0x00000000054C0000-0x00000000055B8000-memory.dmp	family_zgrat_v1
behavioral2/memory/3128-45-0x00000000054C0000-0x00000000055B8000-memory.dmp	family_zgrat_v1
behavioral2/memory/3128-47-0x00000000054C0000-0x00000000055B8000-memory.dmp	family_zgrat_v1
behavioral2/memory/3128-41-0x00000000054C0000-0x00000000055B8000-memory.dmp	family_zgrat_v1
behavioral2/memory/3128-49-0x00000000054C0000-0x00000000055B8000-memory.dmp	family_zgrat_v1
behavioral2/memory/3128-37-0x00000000054C0000-0x00000000055B8000-memory.dmp	family_zgrat_v1
behavioral2/memory/3128-33-0x00000000054C0000-0x00000000055B8000-memory.dmp	family_zgrat_v1
behavioral2/memory/3128-31-0x00000000054C0000-0x00000000055B8000-memory.dmp	family_zgrat_v1
behavioral2/memory/3128-51-0x00000000054C0000-0x00000000055B8000-memory.dmp	family_zgrat_v1
behavioral2/memory/3128-57-0x00000000054C0000-0x00000000055B8000-memory.dmp	family_zgrat_v1
behavioral2/memory/3128-59-0x00000000054C0000-0x00000000055B8000-memory.dmp	family_zgrat_v1
behavioral2/memory/3128-61-0x00000000054C0000-0x00000000055B8000-memory.dmp	family_zgrat_v1
behavioral2/memory/3128-55-0x00000000054C0000-0x00000000055B8000-memory.dmp	family_zgrat_v1
behavioral2/memory/3128-63-0x00000000054C0000-0x00000000055B8000-memory.dmp	family_zgrat_v1
behavioral2/memory/3128-65-0x00000000054C0000-0x00000000055B8000-memory.dmp	family_zgrat_v1
behavioral2/memory/3128-67-0x00000000054C0000-0x00000000055B8000-memory.dmp	family_zgrat_v1
behavioral2/memory/3128-53-0x00000000054C0000-0x00000000055B8000-memory.dmp	family_zgrat_v1
behavioral2/memory/3572-995-0x0000000004F50000-0x0000000005024000-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-1-5-21-996941297-2279405024-2328152752-1000\Control Panel\International\Geo\Nation	file.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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kjhkhkhk = "C:\\Users\\Admin\\AppData\\Roaming\\kjhkhkhk.exe"	file.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3128 set thread context of 3572	3128	file.exe	98

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
4020	powershell.exe
4020	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3128	file.exe
Token: SeDebugPrivilege	4020	powershell.exe
Token: SeDebugPrivilege	3572	file.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3128 wrote to memory of 4020	3128	file.exe	91
PID 3128 wrote to memory of 4020	3128	file.exe	91
PID 3128 wrote to memory of 4020	3128	file.exe	91
PID 3128 wrote to memory of 3572	3128	file.exe	98
PID 3128 wrote to memory of 3572	3128	file.exe	98
PID 3128 wrote to memory of 3572	3128	file.exe	98
PID 3128 wrote to memory of 3572	3128	file.exe	98
PID 3128 wrote to memory of 3572	3128	file.exe	98
PID 3128 wrote to memory of 3572	3128	file.exe	98
PID 3128 wrote to memory of 3572	3128	file.exe	98
PID 3128 wrote to memory of 3572	3128	file.exe	98

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3128
- 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:4020
- C:\Users\Admin\AppData\Local\Temp\file.exe
  C:\Users\Admin\AppData\Local\Temp\file.exe
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:3572

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

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\file.exe.log

Filesize
1KB

MD5
2b5b390f52a899f65331467743520372

SHA1
16540410c08d08e7efd401fe3cfef433aeb02827

SHA256
590c800671bf13265dbd56a999e03fd65c574f66e8ece5c4162dc8cabaa8668f

SHA512
e576e7edb251dc4736002c78ffde1b16b180618c657118d92a57e14a85b1bd57ff492be454c7225a9e3fd84c91d088f430e1ff403733a40a42ca3c8899885442

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1une1pyw.1dq.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/3128-937-0x00000000056C0000-0x0000000005754000-memory.dmp

Filesize
592KB

Download
memory/3128-989-0x00000000054B0000-0x00000000054C0000-memory.dmp

Filesize
64KB

Download
memory/3128-2-0x00000000054B0000-0x00000000054C0000-memory.dmp

Filesize
64KB

Download
memory/3128-3-0x00000000054C0000-0x00000000055BE000-memory.dmp

Filesize
1016KB

Download
memory/3128-4-0x00000000054C0000-0x00000000055B8000-memory.dmp

Filesize
992KB

Download
memory/3128-5-0x00000000054C0000-0x00000000055B8000-memory.dmp

Filesize
992KB

Download
memory/3128-939-0x0000000005840000-0x00000000058D2000-memory.dmp

Filesize
584KB

Download
memory/3128-15-0x00000000054C0000-0x00000000055B8000-memory.dmp

Filesize
992KB

Download
memory/3128-19-0x00000000054C0000-0x00000000055B8000-memory.dmp

Filesize
992KB

Download
memory/3128-21-0x00000000054C0000-0x00000000055B8000-memory.dmp

Filesize
992KB

Download
memory/3128-17-0x00000000054C0000-0x00000000055B8000-memory.dmp

Filesize
992KB

Download
memory/3128-23-0x00000000054C0000-0x00000000055B8000-memory.dmp

Filesize
992KB

Download
memory/3128-13-0x00000000054C0000-0x00000000055B8000-memory.dmp

Filesize
992KB

Download
memory/3128-25-0x00000000054C0000-0x00000000055B8000-memory.dmp

Filesize
992KB

Download
memory/3128-1-0x0000000074EB0000-0x0000000075660000-memory.dmp

Filesize
7.7MB

Download
memory/3128-9-0x00000000054C0000-0x00000000055B8000-memory.dmp

Filesize
992KB

Download
memory/3128-27-0x00000000054C0000-0x00000000055B8000-memory.dmp

Filesize
992KB

Download
memory/3128-29-0x00000000054C0000-0x00000000055B8000-memory.dmp

Filesize
992KB

Download
memory/3128-35-0x00000000054C0000-0x00000000055B8000-memory.dmp

Filesize
992KB

Download
memory/3128-39-0x00000000054C0000-0x00000000055B8000-memory.dmp

Filesize
992KB

Download
memory/3128-43-0x00000000054C0000-0x00000000055B8000-memory.dmp

Filesize
992KB

Download
memory/3128-45-0x00000000054C0000-0x00000000055B8000-memory.dmp

Filesize
992KB

Download
memory/3128-47-0x00000000054C0000-0x00000000055B8000-memory.dmp

Filesize
992KB

Download
memory/3128-41-0x00000000054C0000-0x00000000055B8000-memory.dmp

Filesize
992KB

Download
memory/3128-49-0x00000000054C0000-0x00000000055B8000-memory.dmp

Filesize
992KB

Download
memory/3128-37-0x00000000054C0000-0x00000000055B8000-memory.dmp

Filesize
992KB

Download
memory/3128-33-0x00000000054C0000-0x00000000055B8000-memory.dmp

Filesize
992KB

Download
memory/3128-31-0x00000000054C0000-0x00000000055B8000-memory.dmp

Filesize
992KB

Download
memory/3128-51-0x00000000054C0000-0x00000000055B8000-memory.dmp

Filesize
992KB

Download
memory/3128-57-0x00000000054C0000-0x00000000055B8000-memory.dmp

Filesize
992KB

Download
memory/3128-59-0x00000000054C0000-0x00000000055B8000-memory.dmp

Filesize
992KB

Download
memory/3128-61-0x00000000054C0000-0x00000000055B8000-memory.dmp

Filesize
992KB

Download
memory/3128-55-0x00000000054C0000-0x00000000055B8000-memory.dmp

Filesize
992KB

Download
memory/3128-63-0x00000000054C0000-0x00000000055B8000-memory.dmp

Filesize
992KB

Download
memory/3128-65-0x00000000054C0000-0x00000000055B8000-memory.dmp

Filesize
992KB

Download
memory/3128-67-0x00000000054C0000-0x00000000055B8000-memory.dmp

Filesize
992KB

Download
memory/3128-53-0x00000000054C0000-0x00000000055B8000-memory.dmp

Filesize
992KB

Download
memory/3128-936-0x0000000002D40000-0x0000000002D41000-memory.dmp

Filesize
4KB

Download
memory/3128-11-0x00000000054C0000-0x00000000055B8000-memory.dmp

Filesize
992KB

Download
memory/3128-0-0x0000000000920000-0x0000000000A2A000-memory.dmp

Filesize
1.0MB

Download
memory/3128-7-0x00000000054C0000-0x00000000055B8000-memory.dmp

Filesize
992KB

Download
memory/3128-940-0x0000000005F30000-0x00000000064D4000-memory.dmp

Filesize
5.6MB

Download
memory/3128-941-0x0000000005980000-0x00000000059E6000-memory.dmp

Filesize
408KB

Download
memory/3128-988-0x0000000074EB0000-0x0000000075660000-memory.dmp

Filesize
7.7MB

Download
memory/3128-938-0x0000000005750000-0x000000000579C000-memory.dmp

Filesize
304KB

Download
memory/3128-996-0x0000000074EB0000-0x0000000075660000-memory.dmp

Filesize
7.7MB

Download
memory/3572-995-0x0000000004F50000-0x0000000005024000-memory.dmp

Filesize
848KB

Download
memory/3572-6573-0x0000000005070000-0x0000000005080000-memory.dmp

Filesize
64KB

Download
memory/3572-5536-0x0000000074EB0000-0x0000000075660000-memory.dmp

Filesize
7.7MB

Download
memory/3572-994-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/3572-1000-0x0000000005070000-0x0000000005080000-memory.dmp

Filesize
64KB

Download
memory/3572-997-0x0000000074EB0000-0x0000000075660000-memory.dmp

Filesize
7.7MB

Download
memory/4020-959-0x0000000005C60000-0x0000000005C7E000-memory.dmp

Filesize
120KB

Download
memory/4020-979-0x00000000071F0000-0x0000000007286000-memory.dmp

Filesize
600KB

Download
memory/4020-977-0x0000000006F70000-0x0000000006F8A000-memory.dmp

Filesize
104KB

Download
memory/4020-960-0x0000000005CB0000-0x0000000005CFC000-memory.dmp

Filesize
304KB

Download
memory/4020-961-0x0000000002690000-0x00000000026A0000-memory.dmp

Filesize
64KB

Download
memory/4020-962-0x000000007F440000-0x000000007F450000-memory.dmp

Filesize
64KB

Download
memory/4020-963-0x0000000006230000-0x0000000006262000-memory.dmp

Filesize
200KB

Download
memory/4020-964-0x00000000702A0000-0x00000000702EC000-memory.dmp

Filesize
304KB

Download
memory/4020-974-0x0000000006270000-0x000000000628E000-memory.dmp

Filesize
120KB

Download
memory/4020-942-0x00000000026A0000-0x00000000026D6000-memory.dmp

Filesize
216KB

Download
memory/4020-976-0x00000000075B0000-0x0000000007C2A000-memory.dmp

Filesize
6.5MB

Download
memory/4020-975-0x0000000006E40000-0x0000000006EE3000-memory.dmp

Filesize
652KB

Download
memory/4020-978-0x0000000006FE0000-0x0000000006FEA000-memory.dmp

Filesize
40KB

Download
memory/4020-958-0x0000000005740000-0x0000000005A94000-memory.dmp

Filesize
3.3MB

Download
memory/4020-980-0x0000000007170000-0x0000000007181000-memory.dmp

Filesize
68KB

Download
memory/4020-981-0x00000000071A0000-0x00000000071AE000-memory.dmp

Filesize
56KB

Download
memory/4020-948-0x0000000005470000-0x00000000054D6000-memory.dmp

Filesize
408KB

Download
memory/4020-947-0x00000000053D0000-0x00000000053F2000-memory.dmp

Filesize
136KB

Download
memory/4020-946-0x0000000004DA0000-0x00000000053C8000-memory.dmp

Filesize
6.2MB

Download
memory/4020-945-0x0000000002690000-0x00000000026A0000-memory.dmp

Filesize
64KB

Download
memory/4020-944-0x0000000002690000-0x00000000026A0000-memory.dmp

Filesize
64KB

Download
memory/4020-943-0x0000000074EB0000-0x0000000075660000-memory.dmp

Filesize
7.7MB

Download
memory/4020-982-0x00000000071B0000-0x00000000071C4000-memory.dmp

Filesize
80KB

Download
memory/4020-983-0x00000000072B0000-0x00000000072CA000-memory.dmp

Filesize
104KB

Download
memory/4020-984-0x0000000007290000-0x0000000007298000-memory.dmp

Filesize
32KB

Download
memory/4020-987-0x0000000074EB0000-0x0000000075660000-memory.dmp

Filesize
7.7MB

Download