c4b2f718a9162597e508907f5ed251bd72c1fa4c81c71343445cab4147968101

Analysis

max time kernel
118s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
24/07/2024, 10:12

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General

Target
7345df2957dd6e888a2c1e153a1a77d0N.exe
Size 225KB
Sample240724-l812fa1apl
SHA256 c4b2f718a9162597e508907f5ed251bd72c1fa4c81c71343445cab4147968101
MD5 7345df2957dd6e888a2c1e153a1a77d0
SHA1 9d593115b4aba632e29cc42b128e81b18ad0b9d7
SHA512 da7bde1de836e4dc2fbdc5c4d943dfc30d61b112fecefc1ae5e5378054e9843b362875ea9f3860b80790f4fbdffc9c1a9e23dde3201447ab6891a58fd1e02755
SSDEEP 6144:4A2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:4ATuTAnKGwUAW3ycQqgf
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
4360	4416	WerFault.exe	100
1152	1012	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	7345df2957dd6e888a2c1e153a1a77d0N.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
1012	7345df2957dd6e888a2c1e153a1a77d0N.exe
1012	7345df2957dd6e888a2c1e153a1a77d0N.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4416	winver.exe
1012	7345df2957dd6e888a2c1e153a1a77d0N.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3432	Explorer.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1012 wrote to memory of 4416	1012	7345df2957dd6e888a2c1e153a1a77d0N.exe	100
PID 1012 wrote to memory of 4416	1012	7345df2957dd6e888a2c1e153a1a77d0N.exe	100
PID 1012 wrote to memory of 4416	1012	7345df2957dd6e888a2c1e153a1a77d0N.exe	100
PID 1012 wrote to memory of 4416	1012	7345df2957dd6e888a2c1e153a1a77d0N.exe	100
PID 4416 wrote to memory of 3432	4416	winver.exe	56
PID 1012 wrote to memory of 3432	1012	7345df2957dd6e888a2c1e153a1a77d0N.exe	56
PID 1012 wrote to memory of 3044	1012	7345df2957dd6e888a2c1e153a1a77d0N.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3044

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3432
- C:\Users\Admin\AppData\Local\Temp\7345df2957dd6e888a2c1e153a1a77d0N.exe
  "C:\Users\Admin\AppData\Local\Temp\7345df2957dd6e888a2c1e153a1a77d0N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:1012
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:4416
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4416 -s 300
      4⤵
      Program crash
      PID:4360
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1012 -s 952
    3⤵
    - Program crash
    PID:1152

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:3796

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 4416 -ip 4416
1⤵
PID:2404

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 200 -p 1012 -ip 1012
1⤵
PID:1804

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/1012-1-0x00000000046A0000-0x0000000004CF8000-memory.dmp

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memory/1012-2-0x00000000023A0000-0x00000000023A1000-memory.dmp

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memory/1012-6-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1012-9-0x00000000057B0000-0x00000000061B0000-memory.dmp

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memory/1012-13-0x00000000057B0000-0x00000000061B0000-memory.dmp

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memory/1012-17-0x00000000046A0000-0x0000000004CF8000-memory.dmp

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memory/3044-12-0x0000000000180000-0x0000000000186000-memory.dmp

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memory/3044-18-0x0000000000180000-0x0000000000186000-memory.dmp

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memory/3432-4-0x0000000000D00000-0x0000000000D06000-memory.dmp

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memory/3432-5-0x0000000000D00000-0x0000000000D06000-memory.dmp

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memory/3432-10-0x0000000002580000-0x0000000002586000-memory.dmp

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