cd6f6ff9db333ff99b88afee2f1b357b35409d62eb7a69e19110e835ca689e33

Analysis

max time kernel
118s
max time network
106s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
16/08/2024, 09:21

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General

Target
3d3c999a0b68051ade31b97fb1876330N.exe
Size 225KB
Sample240816-lbtabs1clj
SHA256 cd6f6ff9db333ff99b88afee2f1b357b35409d62eb7a69e19110e835ca689e33
MD5 3d3c999a0b68051ade31b97fb1876330
SHA1 3ca3dde9a094e6e848b309fe1121c670655dddbb
SHA512 49c622886c4a35814465a3f6453f5a63a6e8226b24d37706427097edfeed1384c2d76953eb5b46def086a286d5006904a845d23343deffa67663f3cde120c595
SSDEEP 6144:nA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:nATuTAnKGwUAW3ycQqgf
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
2168	5016	WerFault.exe	99
3140	1128	WerFault.exe	83

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	3d3c999a0b68051ade31b97fb1876330N.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
1128	3d3c999a0b68051ade31b97fb1876330N.exe
1128	3d3c999a0b68051ade31b97fb1876330N.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3524	Explorer.EXE
Token: SeCreatePagefilePrivilege	3524	Explorer.EXE
Token: SeShutdownPrivilege	3524	Explorer.EXE
Token: SeCreatePagefilePrivilege	3524	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
5016	winver.exe
1128	3d3c999a0b68051ade31b97fb1876330N.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3524	Explorer.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1128 wrote to memory of 5016	1128	3d3c999a0b68051ade31b97fb1876330N.exe	99
PID 1128 wrote to memory of 5016	1128	3d3c999a0b68051ade31b97fb1876330N.exe	99
PID 1128 wrote to memory of 5016	1128	3d3c999a0b68051ade31b97fb1876330N.exe	99
PID 1128 wrote to memory of 5016	1128	3d3c999a0b68051ade31b97fb1876330N.exe	99
PID 5016 wrote to memory of 3524	5016	winver.exe	56
PID 1128 wrote to memory of 3524	1128	3d3c999a0b68051ade31b97fb1876330N.exe	56
PID 1128 wrote to memory of 2552	1128	3d3c999a0b68051ade31b97fb1876330N.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2552

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3524
- C:\Users\Admin\AppData\Local\Temp\3d3c999a0b68051ade31b97fb1876330N.exe
  "C:\Users\Admin\AppData\Local\Temp\3d3c999a0b68051ade31b97fb1876330N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:1128
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:5016
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5016 -s 300
      4⤵
      Program crash
      PID:2168
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1128 -s 896
    3⤵
    - Program crash
    PID:3140

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:2712

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 5016 -ip 5016
1⤵
PID:5104

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 1128 -ip 1128
1⤵
PID:3760

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/1128-1-0x0000000004560000-0x0000000004BB8000-memory.dmp

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memory/1128-2-0x0000000003D70000-0x0000000003D71000-memory.dmp

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memory/1128-3-0x0000000004560000-0x0000000004BB8000-memory.dmp

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memory/1128-7-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1128-10-0x0000000005770000-0x0000000006170000-memory.dmp

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memory/1128-15-0x0000000005770000-0x0000000006170000-memory.dmp

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memory/1128-19-0x0000000004560000-0x0000000004BB8000-memory.dmp

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memory/2552-13-0x0000000000CB0000-0x0000000000CB6000-memory.dmp

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memory/2552-20-0x0000000000CB0000-0x0000000000CB6000-memory.dmp

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memory/3524-5-0x0000000002900000-0x0000000002906000-memory.dmp

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memory/3524-6-0x0000000002900000-0x0000000002906000-memory.dmp

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memory/3524-11-0x00000000029B0000-0x00000000029B6000-memory.dmp

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