4c0c2fe6731a8a389b3ef6750bb2f45a60969befb5a979a7672bc4c4f0b99dc1

General

Target

4c0c2fe6731a8a389b3ef6750bb2f45a60969befb5a979a7672bc4c4f0b99dc1N.exe
Size

225KB
MD5

380a7310f54ad3412257294ada95c380
SHA1

79a9f75ce05784a9b80442a07a2b546b979a8a29
SHA256

4c0c2fe6731a8a389b3ef6750bb2f45a60969befb5a979a7672bc4c4f0b99dc1
SHA512

7f0c87ac4844a45f3871fa26fe0079cb0f2206ce7200f3bd7f62a5c113853dcc10e5476eadf108bd8f5d2a93ad57c1dced0fe45ae59a598ad9ed230d6faeeb4c
SSDEEP

6144:XA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:XATuTAnKGwUAW3ycQqgf

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
4448	3432	WerFault.exe	101
4424	452	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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4c0c2fe6731a8a389b3ef6750bb2f45a60969befb5a979a7672bc4c4f0b99dc1N.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
452	4c0c2fe6731a8a389b3ef6750bb2f45a60969befb5a979a7672bc4c4f0b99dc1N.exe
452	4c0c2fe6731a8a389b3ef6750bb2f45a60969befb5a979a7672bc4c4f0b99dc1N.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3432	winver.exe
452	4c0c2fe6731a8a389b3ef6750bb2f45a60969befb5a979a7672bc4c4f0b99dc1N.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 452 wrote to memory of 3432	452	4c0c2fe6731a8a389b3ef6750bb2f45a60969befb5a979a7672bc4c4f0b99dc1N.exe	101
PID 452 wrote to memory of 3432	452	4c0c2fe6731a8a389b3ef6750bb2f45a60969befb5a979a7672bc4c4f0b99dc1N.exe	101
PID 452 wrote to memory of 3432	452	4c0c2fe6731a8a389b3ef6750bb2f45a60969befb5a979a7672bc4c4f0b99dc1N.exe	101
PID 452 wrote to memory of 3432	452	4c0c2fe6731a8a389b3ef6750bb2f45a60969befb5a979a7672bc4c4f0b99dc1N.exe	101
PID 3432 wrote to memory of 3436	3432	winver.exe	56
PID 452 wrote to memory of 3436	452	4c0c2fe6731a8a389b3ef6750bb2f45a60969befb5a979a7672bc4c4f0b99dc1N.exe	56
PID 452 wrote to memory of 2332	452	4c0c2fe6731a8a389b3ef6750bb2f45a60969befb5a979a7672bc4c4f0b99dc1N.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2332

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3436
- C:\Users\Admin\AppData\Local\Temp\4c0c2fe6731a8a389b3ef6750bb2f45a60969befb5a979a7672bc4c4f0b99dc1N.exe
  "C:\Users\Admin\AppData\Local\Temp\4c0c2fe6731a8a389b3ef6750bb2f45a60969befb5a979a7672bc4c4f0b99dc1N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:452
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:3432
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3432 -s 300
      4⤵
      Program crash
      PID:4448
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 452 -s 968
    3⤵
    - Program crash
    PID:4424

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:3360

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3432 -ip 3432
1⤵
PID:1344

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 452 -ip 452
1⤵
PID:4516

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/452-14-0x0000000005AA0000-0x00000000064A0000-memory.dmp

Filesize
10.0MB

Download
memory/452-2-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/452-3-0x0000000004590000-0x0000000004BE8000-memory.dmp

Filesize
6.3MB

Download
memory/452-4-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/452-5-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/452-6-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/452-7-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/452-22-0x0000000004590000-0x0000000004BE8000-memory.dmp

Filesize
6.3MB

Download
memory/452-18-0x0000000005AA0000-0x00000000064A0000-memory.dmp

Filesize
10.0MB

Download
memory/452-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/452-1-0x0000000004590000-0x0000000004BE8000-memory.dmp

Filesize
6.3MB

Download
memory/2332-17-0x0000000000500000-0x0000000000506000-memory.dmp

Filesize
24KB

Download
memory/2332-23-0x0000000000500000-0x0000000000506000-memory.dmp

Filesize
24KB

Download
memory/3436-15-0x0000000000820000-0x0000000000826000-memory.dmp

Filesize
24KB

Download
memory/3436-10-0x0000000000810000-0x0000000000816000-memory.dmp

Filesize
24KB

Download
memory/3436-9-0x0000000000810000-0x0000000000816000-memory.dmp

Filesize
24KB

Download

Analysis

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