5233689abc8601aa67d8ab222514f9c6b0c4daa04993813df28e37c7fab60a2b

Analysis

max time kernel
115s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29/09/2024, 22:21

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General

Target
5233689abc8601aa67d8ab222514f9c6b0c4daa04993813df28e37c7fab60a2bN.exe
Size 225KB
Sample240929-19vclsxblh
SHA256 5233689abc8601aa67d8ab222514f9c6b0c4daa04993813df28e37c7fab60a2b
MD5 7f14a6303eae9c3dd78d903b4ec23e30
SHA1 c9e0cf234a92083dc824c6d757b2c04f3f40b1e4
SHA512 012e4532410bda782c050292a4807aa8a50fd1039b09f7f222ea0644eab4d4c596aa8081ad42d2a1a21754f870f1368d78f423b480730c9e4da0a3bfcfbbf119
SSDEEP 6144:WA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:WATuTAnKGwUAW3ycQqgf
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
1264	2336	WerFault.exe	93
2936	4424	WerFault.exe	81

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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5233689abc8601aa67d8ab222514f9c6b0c4daa04993813df28e37c7fab60a2bN.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
4424	5233689abc8601aa67d8ab222514f9c6b0c4daa04993813df28e37c7fab60a2bN.exe
4424	5233689abc8601aa67d8ab222514f9c6b0c4daa04993813df28e37c7fab60a2bN.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3500	Explorer.EXE
Token: SeCreatePagefilePrivilege	3500	Explorer.EXE
Token: SeShutdownPrivilege	3500	Explorer.EXE
Token: SeCreatePagefilePrivilege	3500	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2336	winver.exe
4424	5233689abc8601aa67d8ab222514f9c6b0c4daa04993813df28e37c7fab60a2bN.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4424 wrote to memory of 2336	4424	5233689abc8601aa67d8ab222514f9c6b0c4daa04993813df28e37c7fab60a2bN.exe	93
PID 4424 wrote to memory of 2336	4424	5233689abc8601aa67d8ab222514f9c6b0c4daa04993813df28e37c7fab60a2bN.exe	93
PID 4424 wrote to memory of 2336	4424	5233689abc8601aa67d8ab222514f9c6b0c4daa04993813df28e37c7fab60a2bN.exe	93
PID 4424 wrote to memory of 2336	4424	5233689abc8601aa67d8ab222514f9c6b0c4daa04993813df28e37c7fab60a2bN.exe	93
PID 2336 wrote to memory of 3500	2336	winver.exe	56
PID 4424 wrote to memory of 3500	4424	5233689abc8601aa67d8ab222514f9c6b0c4daa04993813df28e37c7fab60a2bN.exe	56
PID 4424 wrote to memory of 2648	4424	5233689abc8601aa67d8ab222514f9c6b0c4daa04993813df28e37c7fab60a2bN.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2648

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3500
- C:\Users\Admin\AppData\Local\Temp\5233689abc8601aa67d8ab222514f9c6b0c4daa04993813df28e37c7fab60a2bN.exe
  "C:\Users\Admin\AppData\Local\Temp\5233689abc8601aa67d8ab222514f9c6b0c4daa04993813df28e37c7fab60a2bN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4424
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2336
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2336 -s 300
      4⤵
      Program crash
      PID:1264
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4424 -s 1000
    3⤵
    - Program crash
    PID:2936

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:4800

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2336 -ip 2336
1⤵
PID:1736

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4424 -ip 4424
1⤵
PID:2068

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/2648-14-0x0000000000D80000-0x0000000000D86000-memory.dmp

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memory/2648-20-0x0000000000D80000-0x0000000000D86000-memory.dmp

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memory/3500-5-0x00000000010D0000-0x00000000010D6000-memory.dmp

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memory/3500-6-0x00000000010D0000-0x00000000010D6000-memory.dmp

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memory/3500-11-0x0000000001110000-0x0000000001116000-memory.dmp

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memory/4424-1-0x00000000046E0000-0x0000000004D38000-memory.dmp

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memory/4424-2-0x0000000003C90000-0x0000000003C91000-memory.dmp

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memory/4424-3-0x00000000046E0000-0x0000000004D38000-memory.dmp

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memory/4424-7-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/4424-10-0x0000000005AF0000-0x00000000064F0000-memory.dmp

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memory/4424-19-0x00000000046E0000-0x0000000004D38000-memory.dmp

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memory/4424-16-0x0000000005AF0000-0x00000000064F0000-memory.dmp

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