c8515b87b6845b1d28cb3736b84108994c5fc858a291e2a9504bae16fff09aad

Analysis

max time kernel
118s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06/08/2024, 08:24

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General

Target
816ec31e67f25072d295e50b297cdd60N.exe
Size 225KB
Sample240806-ka3lyavamp
SHA256 c8515b87b6845b1d28cb3736b84108994c5fc858a291e2a9504bae16fff09aad
MD5 816ec31e67f25072d295e50b297cdd60
SHA1 7544ecf932a0344755c52ffca4ccc972d1d2aea9
SHA512 9cc37a2c5e934c8b7887c1ca9e23b96cfef2256120cae3605509a181cad8cb86d153b5a0405ad00ca61ffc04c3bc02768e0d690db785adcb816ba7b2ea368c6c
SSDEEP 6144:5A2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:5ATuTAnKGwUAW3ycQqgf
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

discovery

Malware Config

Signatures

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2672	2924	WerFault.exe	90
1956	4824	WerFault.exe	82

System Location Discovery: System Language Discovery 1 TTPs 2 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	816ec31e67f25072d295e50b297cdd60N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@%SystemRoot%\system32\hnetcfgclient.dll,-201 = "HNetCfg Client"	svchost.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4824	816ec31e67f25072d295e50b297cdd60N.exe
4824	816ec31e67f25072d295e50b297cdd60N.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3512	Explorer.EXE
Token: SeCreatePagefilePrivilege	3512	Explorer.EXE
Token: SeShutdownPrivilege	3512	Explorer.EXE
Token: SeCreatePagefilePrivilege	3512	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2924	winver.exe
4824	816ec31e67f25072d295e50b297cdd60N.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3512	Explorer.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4824 wrote to memory of 2924	4824	816ec31e67f25072d295e50b297cdd60N.exe	90
PID 4824 wrote to memory of 2924	4824	816ec31e67f25072d295e50b297cdd60N.exe	90
PID 4824 wrote to memory of 2924	4824	816ec31e67f25072d295e50b297cdd60N.exe	90
PID 4824 wrote to memory of 2924	4824	816ec31e67f25072d295e50b297cdd60N.exe	90
PID 2924 wrote to memory of 3512	2924	winver.exe	56
PID 4824 wrote to memory of 3512	4824	816ec31e67f25072d295e50b297cdd60N.exe	56
PID 4824 wrote to memory of 2912	4824	816ec31e67f25072d295e50b297cdd60N.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2912

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3512
- C:\Users\Admin\AppData\Local\Temp\816ec31e67f25072d295e50b297cdd60N.exe
  "C:\Users\Admin\AppData\Local\Temp\816ec31e67f25072d295e50b297cdd60N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4824
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2924
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2924 -s 300
      4⤵
      Program crash
      PID:2672
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4824 -s 972
    3⤵
    - Program crash
    PID:1956

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:2656

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2924 -ip 2924
1⤵
PID:3736

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4824 -ip 4824
1⤵
PID:4764

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2912-13-0x0000000000360000-0x0000000000366000-memory.dmp

Download

memory/2912-19-0x0000000000360000-0x0000000000366000-memory.dmp

Download

memory/3512-4-0x0000000000D50000-0x0000000000D56000-memory.dmp

Download

memory/3512-5-0x0000000000D50000-0x0000000000D56000-memory.dmp

Download

memory/3512-11-0x0000000001230000-0x0000000001236000-memory.dmp

Download

memory/4824-1-0x0000000004550000-0x0000000004BA8000-memory.dmp

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memory/4824-2-0x0000000003CD0000-0x0000000003CD1000-memory.dmp

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memory/4824-6-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/4824-12-0x0000000005AA0000-0x00000000064A0000-memory.dmp

Download

memory/4824-14-0x0000000005AA0000-0x00000000064A0000-memory.dmp

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memory/4824-18-0x0000000004550000-0x0000000004BA8000-memory.dmp

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memory/4824-16-0x0000000004550000-0x0000000005652000-memory.dmp

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