cbbf6237fe1f8b935c22d5c0dff17b4a95f6549d742a5db58637da67723cad51

General

Target

cbbf6237fe1f8b935c22d5c0dff17b4a95f6549d742a5db58637da67723cad51.exe
Size

225KB
MD5

b8122f13f75e145bfb99ee64bc547554
SHA1

18b1e8454c2705fa4e9abc024842cdf80f225788
SHA256

cbbf6237fe1f8b935c22d5c0dff17b4a95f6549d742a5db58637da67723cad51
SHA512

16b489006f1e7ab65b9fafa4742a36cb6d2af3e9b1ddda38778a64ce80aa4330ddcdd72470bb5ec0234fe2996fdf3933b55d4d987ec444146ce71d1ee2b8c20c
SSDEEP

6144:VA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpY0:VATuTAnKGwUAW3ycQqgl

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
2052	3048	WerFault.exe	103
1244	868	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	cbbf6237fe1f8b935c22d5c0dff17b4a95f6549d742a5db58637da67723cad51.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
868	cbbf6237fe1f8b935c22d5c0dff17b4a95f6549d742a5db58637da67723cad51.exe
868	cbbf6237fe1f8b935c22d5c0dff17b4a95f6549d742a5db58637da67723cad51.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3424	Explorer.EXE
Token: SeCreatePagefilePrivilege	3424	Explorer.EXE
Token: SeShutdownPrivilege	3424	Explorer.EXE
Token: SeCreatePagefilePrivilege	3424	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3048	winver.exe
868	cbbf6237fe1f8b935c22d5c0dff17b4a95f6549d742a5db58637da67723cad51.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 868 wrote to memory of 3048	868	cbbf6237fe1f8b935c22d5c0dff17b4a95f6549d742a5db58637da67723cad51.exe	103
PID 868 wrote to memory of 3048	868	cbbf6237fe1f8b935c22d5c0dff17b4a95f6549d742a5db58637da67723cad51.exe	103
PID 868 wrote to memory of 3048	868	cbbf6237fe1f8b935c22d5c0dff17b4a95f6549d742a5db58637da67723cad51.exe	103
PID 868 wrote to memory of 3048	868	cbbf6237fe1f8b935c22d5c0dff17b4a95f6549d742a5db58637da67723cad51.exe	103
PID 3048 wrote to memory of 3424	3048	winver.exe	56
PID 868 wrote to memory of 3424	868	cbbf6237fe1f8b935c22d5c0dff17b4a95f6549d742a5db58637da67723cad51.exe	56
PID 868 wrote to memory of 2876	868	cbbf6237fe1f8b935c22d5c0dff17b4a95f6549d742a5db58637da67723cad51.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2876

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3424
- C:\Users\Admin\AppData\Local\Temp\cbbf6237fe1f8b935c22d5c0dff17b4a95f6549d742a5db58637da67723cad51.exe
  "C:\Users\Admin\AppData\Local\Temp\cbbf6237fe1f8b935c22d5c0dff17b4a95f6549d742a5db58637da67723cad51.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:868
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:3048
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3048 -s 300
      4⤵
      Program crash
      PID:2052
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 868 -s 812
    3⤵
    - Program crash
    PID:1244

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:644

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3048 -ip 3048
1⤵
PID:464

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 868 -ip 868
1⤵
PID:5060

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

Loading Replay Monitor...

Downloads

memory/868-1-0x00000000045F0000-0x0000000004C48000-memory.dmp

Filesize
6.3MB

Download
memory/868-2-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/868-3-0x00000000045F0000-0x0000000004C48000-memory.dmp

Filesize
6.3MB

Download
memory/868-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/868-11-0x0000000005B00000-0x0000000006500000-memory.dmp

Filesize
10.0MB

Download
memory/868-15-0x0000000005B00000-0x0000000006500000-memory.dmp

Filesize
10.0MB

Download
memory/868-19-0x00000000045F0000-0x0000000004C48000-memory.dmp

Filesize
6.3MB

Download
memory/2876-14-0x0000000000B10000-0x0000000000B16000-memory.dmp

Filesize
24KB

Download
memory/2876-20-0x0000000000B10000-0x0000000000B16000-memory.dmp

Filesize
24KB

Download
memory/3424-5-0x0000000001310000-0x0000000001316000-memory.dmp

Filesize
24KB

Download
memory/3424-6-0x0000000001310000-0x0000000001316000-memory.dmp

Filesize
24KB

Download
memory/3424-12-0x0000000001330000-0x0000000001336000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing