cb75254bce4a4991d5bc9900fad3b54a047a678e8eafece414b5ba17ace936ea

General

Target

cb75254bce4a4991d5bc9900fad3b54a047a678e8eafece414b5ba17ace936ea.exe
Size

225KB
MD5

44f7a2df07912fb6252f7376ba75f728
SHA1

d7997dd5ae3a3d34e433f86bf7c81ed7b0625979
SHA256

cb75254bce4a4991d5bc9900fad3b54a047a678e8eafece414b5ba17ace936ea
SHA512

a3886914ab646065d4db1ae104668c0e4defe076c4124d15b80b5d973266b728d0f49902372c8e15e33dd24a16276f2274b4254273207cb5b941ddc4c4c9a478
SSDEEP

6144:zA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:zATuTAnKGwUAW3ycQqgf

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
1732	3080	WerFault.exe	94
5020	2860	WerFault.exe	82

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	cb75254bce4a4991d5bc9900fad3b54a047a678e8eafece414b5ba17ace936ea.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
2860	cb75254bce4a4991d5bc9900fad3b54a047a678e8eafece414b5ba17ace936ea.exe
2860	cb75254bce4a4991d5bc9900fad3b54a047a678e8eafece414b5ba17ace936ea.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3080	winver.exe
2860	cb75254bce4a4991d5bc9900fad3b54a047a678e8eafece414b5ba17ace936ea.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2860 wrote to memory of 3080	2860	cb75254bce4a4991d5bc9900fad3b54a047a678e8eafece414b5ba17ace936ea.exe	94
PID 2860 wrote to memory of 3080	2860	cb75254bce4a4991d5bc9900fad3b54a047a678e8eafece414b5ba17ace936ea.exe	94
PID 2860 wrote to memory of 3080	2860	cb75254bce4a4991d5bc9900fad3b54a047a678e8eafece414b5ba17ace936ea.exe	94
PID 2860 wrote to memory of 3080	2860	cb75254bce4a4991d5bc9900fad3b54a047a678e8eafece414b5ba17ace936ea.exe	94
PID 3080 wrote to memory of 3520	3080	winver.exe	56
PID 2860 wrote to memory of 3520	2860	cb75254bce4a4991d5bc9900fad3b54a047a678e8eafece414b5ba17ace936ea.exe	56
PID 2860 wrote to memory of 2476	2860	cb75254bce4a4991d5bc9900fad3b54a047a678e8eafece414b5ba17ace936ea.exe	43

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2476

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3520
- C:\Users\Admin\AppData\Local\Temp\cb75254bce4a4991d5bc9900fad3b54a047a678e8eafece414b5ba17ace936ea.exe
  "C:\Users\Admin\AppData\Local\Temp\cb75254bce4a4991d5bc9900fad3b54a047a678e8eafece414b5ba17ace936ea.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2860
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:3080
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3080 -s 300
      4⤵
      Program crash
      PID:1732
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2860 -s 856
    3⤵
    - Program crash
    PID:5020

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:3792

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3080 -ip 3080
1⤵
PID:2284

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2860 -ip 2860
1⤵
PID:3476

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/2476-13-0x00000000009C0000-0x00000000009C6000-memory.dmp

Filesize
24KB

Download
memory/2476-19-0x00000000009C0000-0x00000000009C6000-memory.dmp

Filesize
24KB

Download
memory/2860-1-0x00000000046E0000-0x0000000004D38000-memory.dmp

Filesize
6.3MB

Download
memory/2860-2-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/2860-3-0x00000000046E0000-0x0000000004D38000-memory.dmp

Filesize
6.3MB

Download
memory/2860-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2860-10-0x0000000005AF0000-0x00000000064F0000-memory.dmp

Filesize
10.0MB

Download
memory/2860-15-0x0000000005AF0000-0x00000000064F0000-memory.dmp

Filesize
10.0MB

Download
memory/2860-18-0x00000000046E0000-0x0000000004D38000-memory.dmp

Filesize
6.3MB

Download
memory/3520-5-0x0000000002470000-0x0000000002476000-memory.dmp

Filesize
24KB

Download
memory/3520-6-0x0000000002470000-0x0000000002476000-memory.dmp

Filesize
24KB

Download
memory/3520-11-0x00000000024B0000-0x00000000024B6000-memory.dmp

Filesize
24KB

Download

Analysis

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