zgrat | 377583a5e31d2b6953ea0955f149a2e9fe134ae420c3d91aab07adeeae728fcd

Analysis

max time kernel
134s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-10-2024 08:47

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

65.exe
Size

1.9MB
MD5

289d61c6e3b5f6592f6d246abf213b2a
SHA1

ba01cb12f4aa2f724d2ba31951fc10eb4fc9f186
SHA256

377583a5e31d2b6953ea0955f149a2e9fe134ae420c3d91aab07adeeae728fcd
SHA512

fb8eb1a50435af924e5003e6985724b27bdf3d2f496716e37d8a37ddc8fbf7eafca8c623ad2eb9473f16c799f278270e16416b9a8d63df2101d21414423f12a0
SSDEEP

49152:d7bdYAm4zKbdYAm4zSs5XbdYAm4zabdYAm4zK6c5UQ33W/T62Ty:ddrAdrZrdrwdrV4Uu3ue2G

Score

10^/10

zgrat discovery rat spyware stealer

Malware Config

Signatures

Detect ZGRat V2 3 IoCs

resource	yara_rule
behavioral2/memory/4968-36-0x0000000000400000-0x0000000000505000-memory.dmp	family_zgrat_v2
behavioral2/memory/4968-44-0x0000000000400000-0x0000000000500000-memory.dmp	family_zgrat_v2
behavioral2/memory/4968-54-0x00000000068C0000-0x000000000690C000-memory.dmp	family_zgrat_v2

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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	regasm.exe

Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
24	ipinfo.io
25	ipinfo.io

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4592 set thread context of 4968	4592	65.exe	90

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	65.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regasm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WMIC.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4756	timeout.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
4968	regasm.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4592	65.exe

Suspicious use of AdjustPrivilegeToken 43 IoCs

description	pid	Process
Token: SeDebugPrivilege	4968	regasm.exe
Token: SeIncreaseQuotaPrivilege	4776	WMIC.exe
Token: SeSecurityPrivilege	4776	WMIC.exe
Token: SeTakeOwnershipPrivilege	4776	WMIC.exe
Token: SeLoadDriverPrivilege	4776	WMIC.exe
Token: SeSystemProfilePrivilege	4776	WMIC.exe
Token: SeSystemtimePrivilege	4776	WMIC.exe
Token: SeProfSingleProcessPrivilege	4776	WMIC.exe
Token: SeIncBasePriorityPrivilege	4776	WMIC.exe
Token: SeCreatePagefilePrivilege	4776	WMIC.exe
Token: SeBackupPrivilege	4776	WMIC.exe
Token: SeRestorePrivilege	4776	WMIC.exe
Token: SeShutdownPrivilege	4776	WMIC.exe
Token: SeDebugPrivilege	4776	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4776	WMIC.exe
Token: SeRemoteShutdownPrivilege	4776	WMIC.exe
Token: SeUndockPrivilege	4776	WMIC.exe
Token: SeManageVolumePrivilege	4776	WMIC.exe
Token: 33	4776	WMIC.exe
Token: 34	4776	WMIC.exe
Token: 35	4776	WMIC.exe
Token: 36	4776	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4776	WMIC.exe
Token: SeSecurityPrivilege	4776	WMIC.exe
Token: SeTakeOwnershipPrivilege	4776	WMIC.exe
Token: SeLoadDriverPrivilege	4776	WMIC.exe
Token: SeSystemProfilePrivilege	4776	WMIC.exe
Token: SeSystemtimePrivilege	4776	WMIC.exe
Token: SeProfSingleProcessPrivilege	4776	WMIC.exe
Token: SeIncBasePriorityPrivilege	4776	WMIC.exe
Token: SeCreatePagefilePrivilege	4776	WMIC.exe
Token: SeBackupPrivilege	4776	WMIC.exe
Token: SeRestorePrivilege	4776	WMIC.exe
Token: SeShutdownPrivilege	4776	WMIC.exe
Token: SeDebugPrivilege	4776	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4776	WMIC.exe
Token: SeRemoteShutdownPrivilege	4776	WMIC.exe
Token: SeUndockPrivilege	4776	WMIC.exe
Token: SeManageVolumePrivilege	4776	WMIC.exe
Token: 33	4776	WMIC.exe
Token: 34	4776	WMIC.exe
Token: 35	4776	WMIC.exe
Token: 36	4776	WMIC.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4592	65.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 4592 wrote to memory of 4968	4592	65.exe	90
PID 4592 wrote to memory of 4968	4592	65.exe	90
PID 4592 wrote to memory of 4968	4592	65.exe	90
PID 4592 wrote to memory of 4968	4592	65.exe	90
PID 4968 wrote to memory of 2096	4968	regasm.exe	92
PID 4968 wrote to memory of 2096	4968	regasm.exe	92
PID 4968 wrote to memory of 2096	4968	regasm.exe	92
PID 2096 wrote to memory of 4776	2096	cmd.exe	94
PID 2096 wrote to memory of 4776	2096	cmd.exe	94
PID 2096 wrote to memory of 4776	2096	cmd.exe	94
PID 4968 wrote to memory of 4960	4968	regasm.exe	97
PID 4968 wrote to memory of 4960	4968	regasm.exe	97
PID 4968 wrote to memory of 4960	4968	regasm.exe	97
PID 4960 wrote to memory of 4756	4960	cmd.exe	101
PID 4960 wrote to memory of 4756	4960	cmd.exe	101
PID 4960 wrote to memory of 4756	4960	cmd.exe	101

C:\Users\Admin\AppData\Local\Temp\65.exe
"C:\Users\Admin\AppData\Local\Temp\65.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4592
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4968
- - C:\Windows\SysWOW64\cmd.exe
    "cmd" /C wmic path win32_ComputerSystem get model
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2096
  - - C:\Windows\SysWOW64\Wbem\WMIC.exe
      wmic path win32_ComputerSystem get model
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      PID:4776
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /C TIMEOUT /T 3 && DEL /f "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4960
  - - C:\Windows\SysWOW64\timeout.exe
      TIMEOUT /T 3
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:4756

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/4592-41-0x0000000000710000-0x0000000000810000-memory.dmp

Filesize
1024KB

Download
memory/4592-3-0x0000000000700000-0x0000000000701000-memory.dmp

Filesize
4KB

Download
memory/4592-8-0x0000000000710000-0x0000000000810000-memory.dmp

Filesize
1024KB

Download
memory/4592-9-0x0000000075651000-0x0000000075652000-memory.dmp

Filesize
4KB

Download
memory/4592-10-0x0000000075620000-0x000000007577D000-memory.dmp

Filesize
1.4MB

Download
memory/4592-26-0x0000000075620000-0x000000007577D000-memory.dmp

Filesize
1.4MB

Download
memory/4592-2-0x00000000779D2000-0x00000000779D3000-memory.dmp

Filesize
4KB

Download
memory/4592-37-0x0000000075620000-0x000000007577D000-memory.dmp

Filesize
1.4MB

Download
memory/4592-40-0x0000000000710000-0x0000000000810000-memory.dmp

Filesize
1024KB

Download
memory/4592-42-0x0000000075620000-0x000000007577D000-memory.dmp

Filesize
1.4MB

Download
memory/4968-36-0x0000000000400000-0x0000000000505000-memory.dmp

Filesize
1.0MB

Download
memory/4968-46-0x00000000740F0000-0x00000000748A0000-memory.dmp

Filesize
7.7MB

Download
memory/4968-39-0x00000000779D2000-0x00000000779D3000-memory.dmp

Filesize
4KB

Download
memory/4968-44-0x0000000000400000-0x0000000000500000-memory.dmp

Filesize
1024KB

Download
memory/4968-45-0x0000000005480000-0x000000000551C000-memory.dmp

Filesize
624KB

Download
memory/4968-47-0x0000000005520000-0x00000000055D2000-memory.dmp

Filesize
712KB

Download
memory/4968-48-0x00000000055D0000-0x0000000005646000-memory.dmp

Filesize
472KB

Download
memory/4968-43-0x00000000740FE000-0x00000000740FF000-memory.dmp

Filesize
4KB

Download
memory/4968-49-0x0000000005650000-0x00000000056B6000-memory.dmp

Filesize
408KB

Download
memory/4968-50-0x00000000740F0000-0x00000000748A0000-memory.dmp

Filesize
7.7MB

Download
memory/4968-51-0x0000000006710000-0x0000000006732000-memory.dmp

Filesize
136KB

Download
memory/4968-52-0x0000000006740000-0x000000000675E000-memory.dmp

Filesize
120KB

Download
memory/4968-53-0x0000000006910000-0x0000000006960000-memory.dmp

Filesize
320KB

Download
memory/4968-54-0x00000000068C0000-0x000000000690C000-memory.dmp

Filesize
304KB

Download
memory/4968-55-0x0000000006B10000-0x0000000006E64000-memory.dmp

Filesize
3.3MB

Download
memory/4968-63-0x00000000740F0000-0x00000000748A0000-memory.dmp

Filesize
7.7MB

Download