3cd6b1c26ca51e8b7b54e81710e1b0a8dfafe14e8c1fe00e9498b806db554d5f

General

Target

3cd6b1c26ca51e8b7b54e81710e1b0a8dfafe14e8c1fe00e9498b806db554d5fN.exe
Size

225KB
MD5

854a4a9c11de38f411e30532270fede0
SHA1

f6fe5c6bc03e4da1f857a4b5aaa834f72120f15e
SHA256

3cd6b1c26ca51e8b7b54e81710e1b0a8dfafe14e8c1fe00e9498b806db554d5f
SHA512

d7d541f8a1b227d5691fec5723c1e430555ab7993dc58f2ae25431d3b4477b1795446f62b4e978d4a0ea1b188b16c9d053cb27229320cb87e9838919396ca7cd
SSDEEP

6144:uA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:uATuTAnKGwUAW3ycQqgf

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
5092	4324	WerFault.exe	103
2180	1488	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	3cd6b1c26ca51e8b7b54e81710e1b0a8dfafe14e8c1fe00e9498b806db554d5fN.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
1488	3cd6b1c26ca51e8b7b54e81710e1b0a8dfafe14e8c1fe00e9498b806db554d5fN.exe
1488	3cd6b1c26ca51e8b7b54e81710e1b0a8dfafe14e8c1fe00e9498b806db554d5fN.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
4324	winver.exe
1488	3cd6b1c26ca51e8b7b54e81710e1b0a8dfafe14e8c1fe00e9498b806db554d5fN.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1488 wrote to memory of 4324	1488	3cd6b1c26ca51e8b7b54e81710e1b0a8dfafe14e8c1fe00e9498b806db554d5fN.exe	103
PID 1488 wrote to memory of 4324	1488	3cd6b1c26ca51e8b7b54e81710e1b0a8dfafe14e8c1fe00e9498b806db554d5fN.exe	103
PID 1488 wrote to memory of 4324	1488	3cd6b1c26ca51e8b7b54e81710e1b0a8dfafe14e8c1fe00e9498b806db554d5fN.exe	103
PID 1488 wrote to memory of 4324	1488	3cd6b1c26ca51e8b7b54e81710e1b0a8dfafe14e8c1fe00e9498b806db554d5fN.exe	103
PID 4324 wrote to memory of 3488	4324	winver.exe	56
PID 1488 wrote to memory of 3488	1488	3cd6b1c26ca51e8b7b54e81710e1b0a8dfafe14e8c1fe00e9498b806db554d5fN.exe	56
PID 1488 wrote to memory of 2696	1488	3cd6b1c26ca51e8b7b54e81710e1b0a8dfafe14e8c1fe00e9498b806db554d5fN.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2696

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3488
- C:\Users\Admin\AppData\Local\Temp\3cd6b1c26ca51e8b7b54e81710e1b0a8dfafe14e8c1fe00e9498b806db554d5fN.exe
  "C:\Users\Admin\AppData\Local\Temp\3cd6b1c26ca51e8b7b54e81710e1b0a8dfafe14e8c1fe00e9498b806db554d5fN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:1488
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:4324
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4324 -s 300
      4⤵
      Program crash
      PID:5092
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1488 -s 1000
    3⤵
    - Program crash
    PID:2180

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:2748

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4324 -ip 4324
1⤵
PID:2300

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 1488 -ip 1488
1⤵
PID:5088

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/1488-15-0x0000000005A80000-0x0000000006480000-memory.dmp

Filesize
10.0MB

Download
memory/1488-2-0x00000000024B0000-0x00000000024B1000-memory.dmp

Filesize
4KB

Download
memory/1488-3-0x0000000004530000-0x0000000004B88000-memory.dmp

Filesize
6.3MB

Download
memory/1488-4-0x00000000024B0000-0x00000000024B1000-memory.dmp

Filesize
4KB

Download
memory/1488-5-0x00000000024B0000-0x00000000024B1000-memory.dmp

Filesize
4KB

Download
memory/1488-6-0x00000000024B0000-0x00000000024B1000-memory.dmp

Filesize
4KB

Download
memory/1488-7-0x00000000024B0000-0x00000000024B1000-memory.dmp

Filesize
4KB

Download
memory/1488-23-0x0000000004530000-0x0000000004B88000-memory.dmp

Filesize
6.3MB

Download
memory/1488-20-0x0000000005A80000-0x0000000006480000-memory.dmp

Filesize
10.0MB

Download
memory/1488-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1488-1-0x0000000004530000-0x0000000004B88000-memory.dmp

Filesize
6.3MB

Download
memory/2696-18-0x0000000000710000-0x0000000000716000-memory.dmp

Filesize
24KB

Download
memory/2696-24-0x0000000000710000-0x0000000000716000-memory.dmp

Filesize
24KB

Download
memory/3488-16-0x0000000000B20000-0x0000000000B26000-memory.dmp

Filesize
24KB

Download
memory/3488-10-0x0000000000B10000-0x0000000000B16000-memory.dmp

Filesize
24KB

Download
memory/3488-9-0x0000000000B10000-0x0000000000B16000-memory.dmp

Filesize
24KB

Download

Analysis

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