dc1e1ceb6262d2014495e2a58b90d63c248e26b1b916ab26ed817e56f0bb0b75

Analysis

max time kernel
113s
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
05/10/2024, 11:16

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General

Target
dc1e1ceb6262d2014495e2a58b90d63c248e26b1b916ab26ed817e56f0bb0b75N.exe
Size 225KB
Sample241005-ndcfps1fmq
SHA256 dc1e1ceb6262d2014495e2a58b90d63c248e26b1b916ab26ed817e56f0bb0b75
MD5 8a1fe1cb51902c8862cddd4f311bb460
SHA1 b643da83cc84871054e36993048ba36911f0ac12
SHA512 65a1063c68872ef81c1a349e15a86465e7d357c265680a4ef00543a358c8c6d527d9c4662530a65149be6bf70ccdebad689b4985a8138d8cb6ce9ca553336a31
SSDEEP 6144:AA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:AATuTAnKGwUAW3ycQqgf
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
1360	4524	WerFault.exe	93
1628	4000	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	dc1e1ceb6262d2014495e2a58b90d63c248e26b1b916ab26ed817e56f0bb0b75N.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
4000	dc1e1ceb6262d2014495e2a58b90d63c248e26b1b916ab26ed817e56f0bb0b75N.exe
4000	dc1e1ceb6262d2014495e2a58b90d63c248e26b1b916ab26ed817e56f0bb0b75N.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3376	Explorer.EXE
Token: SeCreatePagefilePrivilege	3376	Explorer.EXE
Token: SeShutdownPrivilege	3376	Explorer.EXE
Token: SeCreatePagefilePrivilege	3376	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4524	winver.exe
4000	dc1e1ceb6262d2014495e2a58b90d63c248e26b1b916ab26ed817e56f0bb0b75N.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4000 wrote to memory of 4524	4000	dc1e1ceb6262d2014495e2a58b90d63c248e26b1b916ab26ed817e56f0bb0b75N.exe	93
PID 4000 wrote to memory of 4524	4000	dc1e1ceb6262d2014495e2a58b90d63c248e26b1b916ab26ed817e56f0bb0b75N.exe	93
PID 4000 wrote to memory of 4524	4000	dc1e1ceb6262d2014495e2a58b90d63c248e26b1b916ab26ed817e56f0bb0b75N.exe	93
PID 4000 wrote to memory of 4524	4000	dc1e1ceb6262d2014495e2a58b90d63c248e26b1b916ab26ed817e56f0bb0b75N.exe	93
PID 4524 wrote to memory of 3376	4524	winver.exe	55
PID 4000 wrote to memory of 3376	4000	dc1e1ceb6262d2014495e2a58b90d63c248e26b1b916ab26ed817e56f0bb0b75N.exe	55
PID 4000 wrote to memory of 2640	4000	dc1e1ceb6262d2014495e2a58b90d63c248e26b1b916ab26ed817e56f0bb0b75N.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2640

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3376
- C:\Users\Admin\AppData\Local\Temp\dc1e1ceb6262d2014495e2a58b90d63c248e26b1b916ab26ed817e56f0bb0b75N.exe
  "C:\Users\Admin\AppData\Local\Temp\dc1e1ceb6262d2014495e2a58b90d63c248e26b1b916ab26ed817e56f0bb0b75N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4000
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:4524
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4524 -s 300
      4⤵
      Program crash
      PID:1360
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4000 -s 856
    3⤵
    - Program crash
    PID:1628

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:3912

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4524 -ip 4524
1⤵
PID:1180

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4000 -ip 4000
1⤵
PID:3240

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/2640-17-0x00000000006E0000-0x00000000006E6000-memory.dmp

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memory/2640-24-0x00000000006E0000-0x00000000006E6000-memory.dmp

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memory/3376-10-0x0000000000CC0000-0x0000000000CC6000-memory.dmp

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memory/3376-9-0x0000000000CC0000-0x0000000000CC6000-memory.dmp

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memory/3376-15-0x0000000000CD0000-0x0000000000CD6000-memory.dmp

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memory/4000-11-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/4000-7-0x00000000044F0000-0x00000000044F1000-memory.dmp

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memory/4000-6-0x00000000044F0000-0x00000000044F1000-memory.dmp

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memory/4000-1-0x0000000004660000-0x0000000004CB8000-memory.dmp

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memory/4000-4-0x00000000044F0000-0x00000000044F1000-memory.dmp

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memory/4000-5-0x00000000044F0000-0x00000000044F1000-memory.dmp

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memory/4000-14-0x0000000005A70000-0x0000000006470000-memory.dmp

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memory/4000-3-0x0000000004660000-0x0000000004CB8000-memory.dmp

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memory/4000-19-0x0000000005A70000-0x0000000006470000-memory.dmp

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memory/4000-23-0x0000000004660000-0x0000000004CB8000-memory.dmp

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memory/4000-2-0x00000000044F0000-0x00000000044F1000-memory.dmp

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