3578d0ef50e53848b45330145c00005713cd7e2291fb6753cad40f80c55d000e

Analysis

max time kernel
119s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04/01/2025, 17:14

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General

Target
3578d0ef50e53848b45330145c00005713cd7e2291fb6753cad40f80c55d000eN.exe
Size 237KB
Sample250104-vr15js1kcl
SHA256 3578d0ef50e53848b45330145c00005713cd7e2291fb6753cad40f80c55d000e
MD5 4f17fa93bb077f7ba94b59e2f214d5d0
SHA1 a592f01f8db20298d9dc9bb34dd2cc1a868d7433
SHA512 f06f5bd59ea3ed773c721ec4e63cd8a19a36a9be4831bff11eb86774bef60ac731ce6d2b66369ab682508d27b8cb992242ae952f191fe88091eea676c05e8bd6
SSDEEP 6144:1A2P27yTAnKGw0hjFhSR/W1nyAJ9v0pMtRCpYw:1ATuTAnKGwUAWVycQqgr
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
4816	3508	WerFault.exe	93
2416	3292	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	3578d0ef50e53848b45330145c00005713cd7e2291fb6753cad40f80c55d000eN.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
3292	3578d0ef50e53848b45330145c00005713cd7e2291fb6753cad40f80c55d000eN.exe
3292	3578d0ef50e53848b45330145c00005713cd7e2291fb6753cad40f80c55d000eN.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3488	Explorer.EXE
Token: SeCreatePagefilePrivilege	3488	Explorer.EXE
Token: SeShutdownPrivilege	3488	Explorer.EXE
Token: SeCreatePagefilePrivilege	3488	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3508	winver.exe
3292	3578d0ef50e53848b45330145c00005713cd7e2291fb6753cad40f80c55d000eN.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3292 wrote to memory of 3508	3292	3578d0ef50e53848b45330145c00005713cd7e2291fb6753cad40f80c55d000eN.exe	93
PID 3292 wrote to memory of 3508	3292	3578d0ef50e53848b45330145c00005713cd7e2291fb6753cad40f80c55d000eN.exe	93
PID 3292 wrote to memory of 3508	3292	3578d0ef50e53848b45330145c00005713cd7e2291fb6753cad40f80c55d000eN.exe	93
PID 3292 wrote to memory of 3508	3292	3578d0ef50e53848b45330145c00005713cd7e2291fb6753cad40f80c55d000eN.exe	93
PID 3508 wrote to memory of 3488	3508	winver.exe	56
PID 3292 wrote to memory of 3488	3292	3578d0ef50e53848b45330145c00005713cd7e2291fb6753cad40f80c55d000eN.exe	56
PID 3292 wrote to memory of 2520	3292	3578d0ef50e53848b45330145c00005713cd7e2291fb6753cad40f80c55d000eN.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2520

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3488
- C:\Users\Admin\AppData\Local\Temp\3578d0ef50e53848b45330145c00005713cd7e2291fb6753cad40f80c55d000eN.exe
  "C:\Users\Admin\AppData\Local\Temp\3578d0ef50e53848b45330145c00005713cd7e2291fb6753cad40f80c55d000eN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:3292
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:3508
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3508 -s 300
      4⤵
      Program crash
      PID:4816
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3292 -s 988
    3⤵
    - Program crash
    PID:2416

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:508

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3508 -ip 3508
1⤵
PID:2812

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3292 -ip 3292
1⤵
PID:620

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/2520-16-0x00000000000D0000-0x00000000000D6000-memory.dmp

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memory/2520-22-0x00000000000D0000-0x00000000000D6000-memory.dmp

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memory/3292-14-0x0000000005B90000-0x0000000006590000-memory.dmp

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memory/3292-4-0x00000000045F0000-0x00000000045F1000-memory.dmp

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memory/3292-5-0x00000000045F0000-0x00000000045F1000-memory.dmp

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memory/3292-9-0x0000000000400000-0x000000000043F000-memory.dmp

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memory/3292-1-0x0000000004640000-0x0000000004C98000-memory.dmp

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memory/3292-3-0x0000000004640000-0x0000000004C98000-memory.dmp

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memory/3292-17-0x0000000005B90000-0x0000000006590000-memory.dmp

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memory/3292-21-0x0000000004640000-0x0000000004C98000-memory.dmp

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memory/3292-2-0x00000000045F0000-0x00000000045F1000-memory.dmp

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memory/3488-7-0x0000000000C00000-0x0000000000C06000-memory.dmp

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memory/3488-8-0x0000000000C00000-0x0000000000C06000-memory.dmp

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memory/3488-13-0x0000000000C40000-0x0000000000C46000-memory.dmp

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