4c1171fb10003dc29e1939bca35948d76bae98caf2d586423f457c4616c42470

General

Target

4c1171fb10003dc29e1939bca35948d76bae98caf2d586423f457c4616c42470N.exe
Size

225KB
MD5

7b7c0bf6ec6e75f50bcdf03bc1ad9aa0
SHA1

1d1593ae103f8d78b143fbf0e83bc7cfb4e5092f
SHA256

4c1171fb10003dc29e1939bca35948d76bae98caf2d586423f457c4616c42470
SHA512

ec79fb33b303b580756d341c06455e1fdb46b5f774fb4dfc944d28c953938f2b8fa8331ccda47c53e4d317b31bda2496383412c171be9f73be44f6deb37588a5
SSDEEP

6144:kA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:kATuTAnKGwUAW3ycQqgf

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
4768	4548	WerFault.exe	103
1564	4160	WerFault.exe	90

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	4c1171fb10003dc29e1939bca35948d76bae98caf2d586423f457c4616c42470N.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
4160	4c1171fb10003dc29e1939bca35948d76bae98caf2d586423f457c4616c42470N.exe
4160	4c1171fb10003dc29e1939bca35948d76bae98caf2d586423f457c4616c42470N.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3532	Explorer.EXE
Token: SeCreatePagefilePrivilege	3532	Explorer.EXE
Token: SeShutdownPrivilege	3532	Explorer.EXE
Token: SeCreatePagefilePrivilege	3532	Explorer.EXE
Token: SeShutdownPrivilege	3532	Explorer.EXE
Token: SeCreatePagefilePrivilege	3532	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4548	winver.exe
4160	4c1171fb10003dc29e1939bca35948d76bae98caf2d586423f457c4616c42470N.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4160 wrote to memory of 4548	4160	4c1171fb10003dc29e1939bca35948d76bae98caf2d586423f457c4616c42470N.exe	103
PID 4160 wrote to memory of 4548	4160	4c1171fb10003dc29e1939bca35948d76bae98caf2d586423f457c4616c42470N.exe	103
PID 4160 wrote to memory of 4548	4160	4c1171fb10003dc29e1939bca35948d76bae98caf2d586423f457c4616c42470N.exe	103
PID 4160 wrote to memory of 4548	4160	4c1171fb10003dc29e1939bca35948d76bae98caf2d586423f457c4616c42470N.exe	103
PID 4548 wrote to memory of 3532	4548	winver.exe	56
PID 4160 wrote to memory of 3532	4160	4c1171fb10003dc29e1939bca35948d76bae98caf2d586423f457c4616c42470N.exe	56
PID 4160 wrote to memory of 3016	4160	4c1171fb10003dc29e1939bca35948d76bae98caf2d586423f457c4616c42470N.exe	51

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3016

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3532
- C:\Users\Admin\AppData\Local\Temp\4c1171fb10003dc29e1939bca35948d76bae98caf2d586423f457c4616c42470N.exe
  "C:\Users\Admin\AppData\Local\Temp\4c1171fb10003dc29e1939bca35948d76bae98caf2d586423f457c4616c42470N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4160
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:4548
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4548 -s 300
      4⤵
      Program crash
      PID:4768
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4160 -s 988
    3⤵
    - Program crash
    PID:1564

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4120,i,1729213506309163284,12809566808978835441,262144 --variations-seed-version --mojo-platform-channel-handle=4036 /prefetch:8
1⤵
PID:5004

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:4360

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4548 -ip 4548
1⤵
PID:2200

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4160 -ip 4160
1⤵
PID:2024

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3016-13-0x0000000000720000-0x0000000000726000-memory.dmp

Filesize
24KB

Download
memory/3016-19-0x0000000000720000-0x0000000000726000-memory.dmp

Filesize
24KB

Download
memory/3532-4-0x00000000010D0000-0x00000000010D6000-memory.dmp

Filesize
24KB

Download
memory/3532-5-0x00000000010D0000-0x00000000010D6000-memory.dmp

Filesize
24KB

Download
memory/3532-10-0x00000000010F0000-0x00000000010F6000-memory.dmp

Filesize
24KB

Download
memory/4160-1-0x00000000045D0000-0x0000000004C28000-memory.dmp

Filesize
6.3MB

Download
memory/4160-2-0x0000000003E00000-0x0000000003E01000-memory.dmp

Filesize
4KB

Download
memory/4160-6-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4160-9-0x0000000005AE0000-0x00000000064E0000-memory.dmp

Filesize
10.0MB

Download
memory/4160-15-0x0000000005AE0000-0x00000000064E0000-memory.dmp

Filesize
10.0MB

Download
memory/4160-18-0x00000000045D0000-0x0000000004C28000-memory.dmp

Filesize
6.3MB

Download

Analysis

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