zgrat | 4195dfa9caf444d8989a704eb6fac07dc7caff143ef054597652e1886eeebede

Analysis

max time kernel
120s
max time network
146s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
15/05/2024, 08:02

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General

Target

ae3d900e61024edd1664373cfecbbbf3.exe
Size

3.0MB
MD5

ae3d900e61024edd1664373cfecbbbf3
SHA1

59ad6451b70817e53c43d5b5647339b4fec152db
SHA256

4195dfa9caf444d8989a704eb6fac07dc7caff143ef054597652e1886eeebede
SHA512

8cf15761068498c2135f684f45383edab082927aa83cfc8b979ad70412cc80be0b5ac4ee20b86a234b77f6b6f86aea22472dfc7daa3c5deab1ad528a6bc26fde
SSDEEP

49152:rDbJcqrhOIqdoRpj8+tlw+3klfvT4FVYAmIpUtm8eW:rDzhhqoPtlwIkh2VY3IpVVW

Score

10^/10

zgrat persistence rat spyware stealer

Malware Config

Signatures

Detect ZGRat V1 35 IoCs

resource	yara_rule
behavioral1/memory/2904-2-0x00000000048F0000-0x0000000004B42000-memory.dmp	family_zgrat_v1
behavioral1/memory/2904-6-0x00000000048F0000-0x0000000004B3C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2904-3-0x00000000048F0000-0x0000000004B3C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2904-4-0x00000000048F0000-0x0000000004B3C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2904-16-0x00000000048F0000-0x0000000004B3C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2904-20-0x00000000048F0000-0x0000000004B3C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2904-22-0x00000000048F0000-0x0000000004B3C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2904-24-0x00000000048F0000-0x0000000004B3C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2904-26-0x00000000048F0000-0x0000000004B3C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2904-32-0x00000000048F0000-0x0000000004B3C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2904-34-0x00000000048F0000-0x0000000004B3C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2904-30-0x00000000048F0000-0x0000000004B3C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2904-28-0x00000000048F0000-0x0000000004B3C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2904-18-0x00000000048F0000-0x0000000004B3C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2904-14-0x00000000048F0000-0x0000000004B3C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2904-12-0x00000000048F0000-0x0000000004B3C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2904-10-0x00000000048F0000-0x0000000004B3C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2904-8-0x00000000048F0000-0x0000000004B3C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2904-36-0x00000000048F0000-0x0000000004B3C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2904-38-0x00000000048F0000-0x0000000004B3C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2904-54-0x00000000048F0000-0x0000000004B3C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2904-66-0x00000000048F0000-0x0000000004B3C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2904-64-0x00000000048F0000-0x0000000004B3C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2904-62-0x00000000048F0000-0x0000000004B3C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2904-60-0x00000000048F0000-0x0000000004B3C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2904-58-0x00000000048F0000-0x0000000004B3C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2904-56-0x00000000048F0000-0x0000000004B3C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2904-52-0x00000000048F0000-0x0000000004B3C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2904-50-0x00000000048F0000-0x0000000004B3C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2904-48-0x00000000048F0000-0x0000000004B3C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2904-46-0x00000000048F0000-0x0000000004B3C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2904-44-0x00000000048F0000-0x0000000004B3C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2904-42-0x00000000048F0000-0x0000000004B3C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2904-40-0x00000000048F0000-0x0000000004B3C000-memory.dmp	family_zgrat_v1
behavioral1/memory/1588-4800-0x0000000002300000-0x00000000023DA000-memory.dmp	family_zgrat_v1

ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Adds Run key to start application 2 TTPs 2 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\Irzsp = "C:\\Users\\Admin\\AppData\\Roaming\\Irzsp.exe"	ae3d900e61024edd1664373cfecbbbf3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\ae3d900e61024edd1664373cfecbbbf3 = "C:\\Users\\Admin\\AppData\\Roaming\\ae3d900e61024edd1664373cfecbbbf3.exe"	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2904 set thread context of 1588	2904	ae3d900e61024edd1664373cfecbbbf3.exe	28

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
7740	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2904	ae3d900e61024edd1664373cfecbbbf3.exe
Token: SeDebugPrivilege	1588	ae3d900e61024edd1664373cfecbbbf3.exe
Token: SeDebugPrivilege	7740	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2904 wrote to memory of 1588	2904	ae3d900e61024edd1664373cfecbbbf3.exe	28
PID 2904 wrote to memory of 1588	2904	ae3d900e61024edd1664373cfecbbbf3.exe	28
PID 2904 wrote to memory of 1588	2904	ae3d900e61024edd1664373cfecbbbf3.exe	28
PID 2904 wrote to memory of 1588	2904	ae3d900e61024edd1664373cfecbbbf3.exe	28
PID 2904 wrote to memory of 1588	2904	ae3d900e61024edd1664373cfecbbbf3.exe	28
PID 2904 wrote to memory of 1588	2904	ae3d900e61024edd1664373cfecbbbf3.exe	28
PID 2904 wrote to memory of 1588	2904	ae3d900e61024edd1664373cfecbbbf3.exe	28
PID 2904 wrote to memory of 1588	2904	ae3d900e61024edd1664373cfecbbbf3.exe	28
PID 2904 wrote to memory of 1588	2904	ae3d900e61024edd1664373cfecbbbf3.exe	28
PID 1588 wrote to memory of 7740	1588	ae3d900e61024edd1664373cfecbbbf3.exe	30
PID 1588 wrote to memory of 7740	1588	ae3d900e61024edd1664373cfecbbbf3.exe	30
PID 1588 wrote to memory of 7740	1588	ae3d900e61024edd1664373cfecbbbf3.exe	30
PID 1588 wrote to memory of 7740	1588	ae3d900e61024edd1664373cfecbbbf3.exe	30

C:\Users\Admin\AppData\Local\Temp\ae3d900e61024edd1664373cfecbbbf3.exe
"C:\Users\Admin\AppData\Local\Temp\ae3d900e61024edd1664373cfecbbbf3.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2904
- C:\Users\Admin\AppData\Local\Temp\ae3d900e61024edd1664373cfecbbbf3.exe
  C:\Users\Admin\AppData\Local\Temp\ae3d900e61024edd1664373cfecbbbf3.exe
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1588
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "powershell.exe" Remove-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'ae3d900e61024edd1664373cfecbbbf3';New-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'ae3d900e61024edd1664373cfecbbbf3' -Value '"C:\Users\Admin\AppData\Roaming\ae3d900e61024edd1664373cfecbbbf3.exe"' -PropertyType 'String'
    3⤵
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:7740

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

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1588-4801-0x0000000074360000-0x0000000074A4E000-memory.dmp

Filesize
6.9MB

Download
memory/1588-10965-0x0000000074360000-0x0000000074A4E000-memory.dmp

Filesize
6.9MB

Download
memory/1588-4932-0x0000000074360000-0x0000000074A4E000-memory.dmp

Filesize
6.9MB

Download
memory/1588-4799-0x0000000000400000-0x0000000000474000-memory.dmp

Filesize
464KB

Download
memory/1588-4800-0x0000000002300000-0x00000000023DA000-memory.dmp

Filesize
872KB

Download
memory/2904-54-0x00000000048F0000-0x0000000004B3C000-memory.dmp

Filesize
2.3MB

Download
memory/2904-64-0x00000000048F0000-0x0000000004B3C000-memory.dmp

Filesize
2.3MB

Download
memory/2904-20-0x00000000048F0000-0x0000000004B3C000-memory.dmp

Filesize
2.3MB

Download
memory/2904-22-0x00000000048F0000-0x0000000004B3C000-memory.dmp

Filesize
2.3MB

Download
memory/2904-24-0x00000000048F0000-0x0000000004B3C000-memory.dmp

Filesize
2.3MB

Download
memory/2904-26-0x00000000048F0000-0x0000000004B3C000-memory.dmp

Filesize
2.3MB

Download
memory/2904-32-0x00000000048F0000-0x0000000004B3C000-memory.dmp

Filesize
2.3MB

Download
memory/2904-34-0x00000000048F0000-0x0000000004B3C000-memory.dmp

Filesize
2.3MB

Download
memory/2904-30-0x00000000048F0000-0x0000000004B3C000-memory.dmp

Filesize
2.3MB

Download
memory/2904-28-0x00000000048F0000-0x0000000004B3C000-memory.dmp

Filesize
2.3MB

Download
memory/2904-18-0x00000000048F0000-0x0000000004B3C000-memory.dmp

Filesize
2.3MB

Download
memory/2904-14-0x00000000048F0000-0x0000000004B3C000-memory.dmp

Filesize
2.3MB

Download
memory/2904-12-0x00000000048F0000-0x0000000004B3C000-memory.dmp

Filesize
2.3MB

Download
memory/2904-10-0x00000000048F0000-0x0000000004B3C000-memory.dmp

Filesize
2.3MB

Download
memory/2904-8-0x00000000048F0000-0x0000000004B3C000-memory.dmp

Filesize
2.3MB

Download
memory/2904-36-0x00000000048F0000-0x0000000004B3C000-memory.dmp

Filesize
2.3MB

Download
memory/2904-38-0x00000000048F0000-0x0000000004B3C000-memory.dmp

Filesize
2.3MB

Download
memory/2904-0-0x000000007436E000-0x000000007436F000-memory.dmp

Filesize
4KB

Download
memory/2904-66-0x00000000048F0000-0x0000000004B3C000-memory.dmp

Filesize
2.3MB

Download
memory/2904-16-0x00000000048F0000-0x0000000004B3C000-memory.dmp

Filesize
2.3MB

Download
memory/2904-62-0x00000000048F0000-0x0000000004B3C000-memory.dmp

Filesize
2.3MB

Download
memory/2904-60-0x00000000048F0000-0x0000000004B3C000-memory.dmp

Filesize
2.3MB

Download
memory/2904-58-0x00000000048F0000-0x0000000004B3C000-memory.dmp

Filesize
2.3MB

Download
memory/2904-56-0x00000000048F0000-0x0000000004B3C000-memory.dmp

Filesize
2.3MB

Download
memory/2904-52-0x00000000048F0000-0x0000000004B3C000-memory.dmp

Filesize
2.3MB

Download
memory/2904-50-0x00000000048F0000-0x0000000004B3C000-memory.dmp

Filesize
2.3MB

Download
memory/2904-48-0x00000000048F0000-0x0000000004B3C000-memory.dmp

Filesize
2.3MB

Download
memory/2904-46-0x00000000048F0000-0x0000000004B3C000-memory.dmp

Filesize
2.3MB

Download
memory/2904-44-0x00000000048F0000-0x0000000004B3C000-memory.dmp

Filesize
2.3MB

Download
memory/2904-42-0x00000000048F0000-0x0000000004B3C000-memory.dmp

Filesize
2.3MB

Download
memory/2904-40-0x00000000048F0000-0x0000000004B3C000-memory.dmp

Filesize
2.3MB

Download
memory/2904-4780-0x0000000004D50000-0x0000000004D9C000-memory.dmp

Filesize
304KB

Download
memory/2904-4779-0x0000000004CB0000-0x0000000004D4A000-memory.dmp

Filesize
616KB

Download
memory/2904-4781-0x0000000074360000-0x0000000074A4E000-memory.dmp

Filesize
6.9MB

Download
memory/2904-4-0x00000000048F0000-0x0000000004B3C000-memory.dmp

Filesize
2.3MB

Download
memory/2904-3-0x00000000048F0000-0x0000000004B3C000-memory.dmp

Filesize
2.3MB

Download
memory/2904-6-0x00000000048F0000-0x0000000004B3C000-memory.dmp

Filesize
2.3MB

Download
memory/2904-2-0x00000000048F0000-0x0000000004B42000-memory.dmp

Filesize
2.3MB

Download
memory/2904-4798-0x0000000074360000-0x0000000074A4E000-memory.dmp

Filesize
6.9MB

Download
memory/2904-1-0x00000000008E0000-0x0000000000BE4000-memory.dmp

Filesize
3.0MB

Download