zgrat | 3673fd28dc25cb26f8dad4aba5a280797cc5879e62bb064fa7d3e2bfb48b603b

Analysis

max time kernel
151s
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
25-01-2024 20:01

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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
behavioral2/memory/1252-3-0x0000000005C20000-0x0000000005D1E000-memory.dmp	family_zgrat_v1
behavioral2/memory/1252-4-0x0000000005C20000-0x0000000005D17000-memory.dmp	family_zgrat_v1
behavioral2/memory/1252-5-0x0000000005C20000-0x0000000005D17000-memory.dmp	family_zgrat_v1
behavioral2/memory/1252-7-0x0000000005C20000-0x0000000005D17000-memory.dmp	family_zgrat_v1
behavioral2/memory/1252-9-0x0000000005C20000-0x0000000005D17000-memory.dmp	family_zgrat_v1
behavioral2/memory/1252-11-0x0000000005C20000-0x0000000005D17000-memory.dmp	family_zgrat_v1
behavioral2/memory/1252-13-0x0000000005C20000-0x0000000005D17000-memory.dmp	family_zgrat_v1
behavioral2/memory/1252-15-0x0000000005C20000-0x0000000005D17000-memory.dmp	family_zgrat_v1
behavioral2/memory/1252-17-0x0000000005C20000-0x0000000005D17000-memory.dmp	family_zgrat_v1
behavioral2/memory/1252-19-0x0000000005C20000-0x0000000005D17000-memory.dmp	family_zgrat_v1
behavioral2/memory/1252-21-0x0000000005C20000-0x0000000005D17000-memory.dmp	family_zgrat_v1
behavioral2/memory/1252-23-0x0000000005C20000-0x0000000005D17000-memory.dmp	family_zgrat_v1
behavioral2/memory/1252-25-0x0000000005C20000-0x0000000005D17000-memory.dmp	family_zgrat_v1
behavioral2/memory/1252-27-0x0000000005C20000-0x0000000005D17000-memory.dmp	family_zgrat_v1
behavioral2/memory/1252-29-0x0000000005C20000-0x0000000005D17000-memory.dmp	family_zgrat_v1
behavioral2/memory/1252-31-0x0000000005C20000-0x0000000005D17000-memory.dmp	family_zgrat_v1
behavioral2/memory/1252-35-0x0000000005C20000-0x0000000005D17000-memory.dmp	family_zgrat_v1
behavioral2/memory/1252-33-0x0000000005C20000-0x0000000005D17000-memory.dmp	family_zgrat_v1
behavioral2/memory/1252-37-0x0000000005C20000-0x0000000005D17000-memory.dmp	family_zgrat_v1
behavioral2/memory/1252-39-0x0000000005C20000-0x0000000005D17000-memory.dmp	family_zgrat_v1
behavioral2/memory/1252-41-0x0000000005C20000-0x0000000005D17000-memory.dmp	family_zgrat_v1
behavioral2/memory/1252-43-0x0000000005C20000-0x0000000005D17000-memory.dmp	family_zgrat_v1
behavioral2/memory/1252-45-0x0000000005C20000-0x0000000005D17000-memory.dmp	family_zgrat_v1
behavioral2/memory/1252-47-0x0000000005C20000-0x0000000005D17000-memory.dmp	family_zgrat_v1
behavioral2/memory/1252-49-0x0000000005C20000-0x0000000005D17000-memory.dmp	family_zgrat_v1
behavioral2/memory/1252-51-0x0000000005C20000-0x0000000005D17000-memory.dmp	family_zgrat_v1
behavioral2/memory/1252-53-0x0000000005C20000-0x0000000005D17000-memory.dmp	family_zgrat_v1
behavioral2/memory/1252-55-0x0000000005C20000-0x0000000005D17000-memory.dmp	family_zgrat_v1
behavioral2/memory/1252-57-0x0000000005C20000-0x0000000005D17000-memory.dmp	family_zgrat_v1
behavioral2/memory/1252-59-0x0000000005C20000-0x0000000005D17000-memory.dmp	family_zgrat_v1
behavioral2/memory/1252-61-0x0000000005C20000-0x0000000005D17000-memory.dmp	family_zgrat_v1
behavioral2/memory/1252-63-0x0000000005C20000-0x0000000005D17000-memory.dmp	family_zgrat_v1
behavioral2/memory/1252-65-0x0000000005C20000-0x0000000005D17000-memory.dmp	family_zgrat_v1
behavioral2/memory/1252-67-0x0000000005C20000-0x0000000005D17000-memory.dmp	family_zgrat_v1
behavioral2/memory/968-995-0x0000000005790000-0x0000000005866000-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-1-5-21-3073191680-435865314-2862784915-1000\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-1-5-21-3073191680-435865314-2862784915-1000\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 1252 set thread context of 968	1252	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
220	powershell.exe
220	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1252	file.exe
Token: SeDebugPrivilege	220	powershell.exe
Token: SeDebugPrivilege	968	file.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1252 wrote to memory of 220	1252	file.exe	92
PID 1252 wrote to memory of 220	1252	file.exe	92
PID 1252 wrote to memory of 220	1252	file.exe	92
PID 1252 wrote to memory of 968	1252	file.exe	98
PID 1252 wrote to memory of 968	1252	file.exe	98
PID 1252 wrote to memory of 968	1252	file.exe	98
PID 1252 wrote to memory of 968	1252	file.exe	98
PID 1252 wrote to memory of 968	1252	file.exe	98
PID 1252 wrote to memory of 968	1252	file.exe	98
PID 1252 wrote to memory of 968	1252	file.exe	98
PID 1252 wrote to memory of 968	1252	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:1252
- 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:220
- C:\Users\Admin\AppData\Local\Temp\file.exe
  C:\Users\Admin\AppData\Local\Temp\file.exe
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:968

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

Loading Replay Monitor...

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_npld4my5.y5f.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/220-979-0x00000000070E0000-0x00000000070EA000-memory.dmp

Filesize
40KB

Download
memory/220-944-0x0000000004830000-0x0000000004840000-memory.dmp

Filesize
64KB

Download
memory/220-942-0x0000000004730000-0x0000000004766000-memory.dmp

Filesize
216KB

Download
memory/220-945-0x0000000004830000-0x0000000004840000-memory.dmp

Filesize
64KB

Download
memory/220-978-0x0000000007070000-0x000000000708A000-memory.dmp

Filesize
104KB

Download
memory/220-947-0x0000000004E70000-0x0000000005498000-memory.dmp

Filesize
6.2MB

Download
memory/220-977-0x00000000076C0000-0x0000000007D3A000-memory.dmp

Filesize
6.5MB

Download
memory/220-986-0x0000000007410000-0x0000000007418000-memory.dmp

Filesize
32KB

Download
memory/220-985-0x0000000007430000-0x000000000744A000-memory.dmp

Filesize
104KB

Download
memory/220-984-0x0000000075000000-0x00000000757B0000-memory.dmp

Filesize
7.7MB

Download
memory/220-983-0x00000000073D0000-0x00000000073E4000-memory.dmp

Filesize
80KB

Download
memory/220-982-0x00000000073C0000-0x00000000073CE000-memory.dmp

Filesize
56KB

Download
memory/220-981-0x0000000007280000-0x0000000007291000-memory.dmp

Filesize
68KB

Download
memory/220-980-0x00000000072E0000-0x0000000007376000-memory.dmp

Filesize
600KB

Download
memory/220-943-0x0000000075000000-0x00000000757B0000-memory.dmp

Filesize
7.7MB

Download
memory/220-948-0x0000000004C00000-0x0000000004C22000-memory.dmp

Filesize
136KB

Download
memory/220-989-0x0000000075000000-0x00000000757B0000-memory.dmp

Filesize
7.7MB

Download
memory/220-976-0x0000000006370000-0x0000000006413000-memory.dmp

Filesize
652KB

Download
memory/220-975-0x0000000006300000-0x000000000631E000-memory.dmp

Filesize
120KB

Download
memory/220-965-0x00000000703F0000-0x000000007043C000-memory.dmp

Filesize
304KB

Download
memory/220-964-0x0000000006320000-0x0000000006352000-memory.dmp

Filesize
200KB

Download
memory/220-963-0x000000007FDB0000-0x000000007FDC0000-memory.dmp

Filesize
64KB

Download
memory/220-961-0x0000000005E60000-0x0000000005EAC000-memory.dmp

Filesize
304KB

Download
memory/220-960-0x0000000005DE0000-0x0000000005DFE000-memory.dmp

Filesize
120KB

Download
memory/220-955-0x0000000005780000-0x0000000005AD4000-memory.dmp

Filesize
3.3MB

Download
memory/220-949-0x00000000056A0000-0x0000000005706000-memory.dmp

Filesize
408KB

Download
memory/968-5138-0x0000000005780000-0x0000000005790000-memory.dmp

Filesize
64KB

Download
memory/968-995-0x0000000005790000-0x0000000005866000-memory.dmp

Filesize
856KB

Download
memory/968-4363-0x0000000075000000-0x00000000757B0000-memory.dmp

Filesize
7.7MB

Download
memory/968-994-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/968-996-0x0000000075000000-0x00000000757B0000-memory.dmp

Filesize
7.7MB

Download
memory/968-998-0x0000000005780000-0x0000000005790000-memory.dmp

Filesize
64KB

Download
memory/1252-33-0x0000000005C20000-0x0000000005D17000-memory.dmp

Filesize
988KB

Download
memory/1252-39-0x0000000005C20000-0x0000000005D17000-memory.dmp

Filesize
988KB

Download
memory/1252-67-0x0000000005C20000-0x0000000005D17000-memory.dmp

Filesize
988KB

Download
memory/1252-936-0x0000000005B70000-0x0000000005B71000-memory.dmp

Filesize
4KB

Download
memory/1252-937-0x0000000005E60000-0x0000000005EF4000-memory.dmp

Filesize
592KB

Download
memory/1252-938-0x0000000005F00000-0x0000000005F4C000-memory.dmp

Filesize
304KB

Download
memory/1252-939-0x0000000006000000-0x0000000006092000-memory.dmp

Filesize
584KB

Download
memory/1252-940-0x0000000006710000-0x0000000006CB4000-memory.dmp

Filesize
5.6MB

Download
memory/1252-941-0x0000000006160000-0x00000000061C6000-memory.dmp

Filesize
408KB

Download
memory/1252-63-0x0000000005C20000-0x0000000005D17000-memory.dmp

Filesize
988KB

Download
memory/1252-61-0x0000000005C20000-0x0000000005D17000-memory.dmp

Filesize
988KB

Download
memory/1252-59-0x0000000005C20000-0x0000000005D17000-memory.dmp

Filesize
988KB

Download
memory/1252-57-0x0000000005C20000-0x0000000005D17000-memory.dmp

Filesize
988KB

Download
memory/1252-946-0x0000000075000000-0x00000000757B0000-memory.dmp

Filesize
7.7MB

Download
memory/1252-55-0x0000000005C20000-0x0000000005D17000-memory.dmp

Filesize
988KB

Download
memory/1252-53-0x0000000005C20000-0x0000000005D17000-memory.dmp

Filesize
988KB

Download
memory/1252-51-0x0000000005C20000-0x0000000005D17000-memory.dmp

Filesize
988KB

Download
memory/1252-49-0x0000000005C20000-0x0000000005D17000-memory.dmp

Filesize
988KB

Download
memory/1252-47-0x0000000005C20000-0x0000000005D17000-memory.dmp

Filesize
988KB

Download
memory/1252-45-0x0000000005C20000-0x0000000005D17000-memory.dmp

Filesize
988KB

Download
memory/1252-43-0x0000000005C20000-0x0000000005D17000-memory.dmp

Filesize
988KB

Download
memory/1252-962-0x0000000005C10000-0x0000000005C20000-memory.dmp

Filesize
64KB

Download
memory/1252-41-0x0000000005C20000-0x0000000005D17000-memory.dmp

Filesize
988KB

Download
memory/1252-65-0x0000000005C20000-0x0000000005D17000-memory.dmp

Filesize
988KB

Download
memory/1252-37-0x0000000005C20000-0x0000000005D17000-memory.dmp

Filesize
988KB

Download
memory/1252-0-0x0000000075000000-0x00000000757B0000-memory.dmp

Filesize
7.7MB

Download
memory/1252-35-0x0000000005C20000-0x0000000005D17000-memory.dmp

Filesize
988KB

Download
memory/1252-31-0x0000000005C20000-0x0000000005D17000-memory.dmp

Filesize
988KB

Download
memory/1252-29-0x0000000005C20000-0x0000000005D17000-memory.dmp

Filesize
988KB

Download
memory/1252-27-0x0000000005C20000-0x0000000005D17000-memory.dmp

Filesize
988KB

Download
memory/1252-25-0x0000000005C20000-0x0000000005D17000-memory.dmp

Filesize
988KB

Download
memory/1252-23-0x0000000005C20000-0x0000000005D17000-memory.dmp

Filesize
988KB

Download
memory/1252-21-0x0000000005C20000-0x0000000005D17000-memory.dmp

Filesize
988KB

Download
memory/1252-19-0x0000000005C20000-0x0000000005D17000-memory.dmp

Filesize
988KB

Download
memory/1252-17-0x0000000005C20000-0x0000000005D17000-memory.dmp

Filesize
988KB

Download
memory/1252-15-0x0000000005C20000-0x0000000005D17000-memory.dmp

Filesize
988KB

Download
memory/1252-13-0x0000000005C20000-0x0000000005D17000-memory.dmp

Filesize
988KB

Download
memory/1252-11-0x0000000005C20000-0x0000000005D17000-memory.dmp

Filesize
988KB

Download
memory/1252-9-0x0000000005C20000-0x0000000005D17000-memory.dmp

Filesize
988KB

Download
memory/1252-7-0x0000000005C20000-0x0000000005D17000-memory.dmp

Filesize
988KB

Download
memory/1252-5-0x0000000005C20000-0x0000000005D17000-memory.dmp

Filesize
988KB

Download
memory/1252-4-0x0000000005C20000-0x0000000005D17000-memory.dmp

Filesize
988KB

Download
memory/1252-997-0x0000000075000000-0x00000000757B0000-memory.dmp

Filesize
7.7MB

Download
memory/1252-3-0x0000000005C20000-0x0000000005D1E000-memory.dmp

Filesize
1016KB

Download
memory/1252-2-0x0000000005C10000-0x0000000005C20000-memory.dmp

Filesize
64KB

Download
memory/1252-1-0x0000000000FE0000-0x00000000011E0000-memory.dmp

Filesize
2.0MB

Download