mimikatz | 32efb1eb360cda726f0eb7647d1963adf37dada4b1a4b5ec486c88bfa1f21471

Resubmissions

26-08-2024 09:41

240826-ln48csyerj 10

29-01-2022 07:52

220129-jqhe9sgcg5 10

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
26-08-2024 09:41

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General

Target

32efb1eb360cda726f0eb7647d1963adf37dada4b1a4b5ec486c88bfa1f21471.exe
Size

1.8MB
MD5

59c3f3f99f44029de81293b1e7c37ed2
SHA1

fb07496900468529719f07ed4b7432ece97a8d3d
SHA256

32efb1eb360cda726f0eb7647d1963adf37dada4b1a4b5ec486c88bfa1f21471
SHA512

9b3bd8a76d754bf9c899111be986c4fd6d14f6993a9a0e3dcd9b4a76c0f7764ac8798f5cbc7a0467c1562638d85bf52f627bd32c125f587b1e838beaf03c8a0e
SSDEEP

49152:aIuQjMgjzus3wLNlDXjUoXFhKoT2iG6xQQqOeaGcWRrLy3pN+:a1bgjyQwhlDFEi5Qt7aGdRrLy5N

Score

10^/10

mimikatz credential_access defense_evasion discovery evasion execution impact ransomware spyware stealer

Malware Config

Signatures

Mimikatz
mimikatz is an open source tool to dump credentials on Windows.
mimikatz

Clears Windows event logs 1 TTPs 2 IoCs

evasion ransomware

Clear Windows Event Logs

T1070.001

pid	Process
2084	wevtutil.exe
2848	wevtutil.exe

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware defense_evasion impact execution

File Deletion
T1070.004

Inhibit System Recovery
T1490

Windows Management Instrumentation
T1047

Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs

ransomware evasion

Inhibit System Recovery

T1490

pid	Process
1620	bcdedit.exe
752	bcdedit.exe

mimikatz is an open source tool to dump credentials on Windows 1 IoCs

resource	yara_rule
behavioral1/memory/3004-17-0x0000000180000000-0x000000018002B000-memory.dmp	mimikatz

Deletes backup catalog 3 TTPs 1 IoCs

Uses wbadmin.exe to inhibit system recovery.

ransomware

Command and Scripting Interpreter

T1059

File Deletion

T1070.004

Inhibit System Recovery

T1490

pid	Process
2852	wbadmin.exe

Deletes itself 1 IoCs

pid	Process
3032	notepad.exe

Executes dropped EXE 3 IoCs

pid	Process
2304	ohsha.exe
3004	jznho.exe
2816	_peg.exe

Loads dropped DLL 3 IoCs

pid	Process
1344	32efb1eb360cda726f0eb7647d1963adf37dada4b1a4b5ec486c88bfa1f21471.exe
1344	32efb1eb360cda726f0eb7647d1963adf37dada4b1a4b5ec486c88bfa1f21471.exe
1344	32efb1eb360cda726f0eb7647d1963adf37dada4b1a4b5ec486c88bfa1f21471.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

System Location Discovery: System Language Discovery 1 TTPs 4 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	32efb1eb360cda726f0eb7647d1963adf37dada4b1a4b5ec486c88bfa1f21471.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ohsha.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	_peg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe

Interacts with shadow copies 3 TTPs 1 IoCs

Shadow copies are often targeted by ransomware to inhibit system recovery.

ransomware

File Deletion

T1070.004

Inhibit System Recovery

T1490

Direct Volume Access

T1006

pid	Process
2860	vssadmin.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
3004	jznho.exe
3004	jznho.exe
3004	jznho.exe
3004	jznho.exe
3004	jznho.exe

Suspicious use of AdjustPrivilegeToken 29 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1344	32efb1eb360cda726f0eb7647d1963adf37dada4b1a4b5ec486c88bfa1f21471.exe
Token: SeSecurityPrivilege	1344	32efb1eb360cda726f0eb7647d1963adf37dada4b1a4b5ec486c88bfa1f21471.exe
Token: SeTakeOwnershipPrivilege	1344	32efb1eb360cda726f0eb7647d1963adf37dada4b1a4b5ec486c88bfa1f21471.exe
Token: SeLoadDriverPrivilege	1344	32efb1eb360cda726f0eb7647d1963adf37dada4b1a4b5ec486c88bfa1f21471.exe
Token: SeSystemProfilePrivilege	1344	32efb1eb360cda726f0eb7647d1963adf37dada4b1a4b5ec486c88bfa1f21471.exe
Token: SeSystemtimePrivilege	1344	32efb1eb360cda726f0eb7647d1963adf37dada4b1a4b5ec486c88bfa1f21471.exe
Token: SeProfSingleProcessPrivilege	1344	32efb1eb360cda726f0eb7647d1963adf37dada4b1a4b5ec486c88bfa1f21471.exe
Token: SeIncBasePriorityPrivilege	1344	32efb1eb360cda726f0eb7647d1963adf37dada4b1a4b5ec486c88bfa1f21471.exe
Token: SeCreatePagefilePrivilege	1344	32efb1eb360cda726f0eb7647d1963adf37dada4b1a4b5ec486c88bfa1f21471.exe
Token: SeBackupPrivilege	1344	32efb1eb360cda726f0eb7647d1963adf37dada4b1a4b5ec486c88bfa1f21471.exe
Token: SeRestorePrivilege	1344	32efb1eb360cda726f0eb7647d1963adf37dada4b1a4b5ec486c88bfa1f21471.exe
Token: SeShutdownPrivilege	1344	32efb1eb360cda726f0eb7647d1963adf37dada4b1a4b5ec486c88bfa1f21471.exe
Token: SeDebugPrivilege	1344	32efb1eb360cda726f0eb7647d1963adf37dada4b1a4b5ec486c88bfa1f21471.exe
Token: SeSystemEnvironmentPrivilege	1344	32efb1eb360cda726f0eb7647d1963adf37dada4b1a4b5ec486c88bfa1f21471.exe
Token: SeRemoteShutdownPrivilege	1344	32efb1eb360cda726f0eb7647d1963adf37dada4b1a4b5ec486c88bfa1f21471.exe
Token: SeUndockPrivilege	1344	32efb1eb360cda726f0eb7647d1963adf37dada4b1a4b5ec486c88bfa1f21471.exe
Token: SeManageVolumePrivilege	1344	32efb1eb360cda726f0eb7647d1963adf37dada4b1a4b5ec486c88bfa1f21471.exe
Token: 33	1344	32efb1eb360cda726f0eb7647d1963adf37dada4b1a4b5ec486c88bfa1f21471.exe
Token: 34	1344	32efb1eb360cda726f0eb7647d1963adf37dada4b1a4b5ec486c88bfa1f21471.exe
Token: 35	1344	32efb1eb360cda726f0eb7647d1963adf37dada4b1a4b5ec486c88bfa1f21471.exe
Token: SeDebugPrivilege	3004	jznho.exe
Token: SeShutdownPrivilege	2816	_peg.exe
Token: SeBackupPrivilege	2764	wbengine.exe
Token: SeRestorePrivilege	2764	wbengine.exe
Token: SeSecurityPrivilege	2764	wbengine.exe
Token: SeSecurityPrivilege	2084	wevtutil.exe
Token: SeBackupPrivilege	2084	wevtutil.exe
Token: SeSecurityPrivilege	2848	wevtutil.exe
Token: SeBackupPrivilege	2848	wevtutil.exe

Suspicious use of WriteProcessMemory 56 IoCs

description	pid	Process	procid_target
PID 1344 wrote to memory of 2304	1344	32efb1eb360cda726f0eb7647d1963adf37dada4b1a4b5ec486c88bfa1f21471.exe	30
PID 1344 wrote to memory of 2304	1344	32efb1eb360cda726f0eb7647d1963adf37dada4b1a4b5ec486c88bfa1f21471.exe	30
PID 1344 wrote to memory of 2304	1344	32efb1eb360cda726f0eb7647d1963adf37dada4b1a4b5ec486c88bfa1f21471.exe	30
PID 1344 wrote to memory of 2304	1344	32efb1eb360cda726f0eb7647d1963adf37dada4b1a4b5ec486c88bfa1f21471.exe	30
PID 1344 wrote to memory of 3004	1344	32efb1eb360cda726f0eb7647d1963adf37dada4b1a4b5ec486c88bfa1f21471.exe	31
PID 1344 wrote to memory of 3004	1344	32efb1eb360cda726f0eb7647d1963adf37dada4b1a4b5ec486c88bfa1f21471.exe	31
PID 1344 wrote to memory of 3004	1344	32efb1eb360cda726f0eb7647d1963adf37dada4b1a4b5ec486c88bfa1f21471.exe	31
PID 1344 wrote to memory of 3004	1344	32efb1eb360cda726f0eb7647d1963adf37dada4b1a4b5ec486c88bfa1f21471.exe	31
PID 1344 wrote to memory of 2816	1344	32efb1eb360cda726f0eb7647d1963adf37dada4b1a4b5ec486c88bfa1f21471.exe	32
PID 1344 wrote to memory of 2816	1344	32efb1eb360cda726f0eb7647d1963adf37dada4b1a4b5ec486c88bfa1f21471.exe	32
PID 1344 wrote to memory of 2816	1344	32efb1eb360cda726f0eb7647d1963adf37dada4b1a4b5ec486c88bfa1f21471.exe	32
PID 1344 wrote to memory of 2816	1344	32efb1eb360cda726f0eb7647d1963adf37dada4b1a4b5ec486c88bfa1f21471.exe	32
PID 1344 wrote to memory of 3032	1344	32efb1eb360cda726f0eb7647d1963adf37dada4b1a4b5ec486c88bfa1f21471.exe	33
PID 1344 wrote to memory of 3032	1344	32efb1eb360cda726f0eb7647d1963adf37dada4b1a4b5ec486c88bfa1f21471.exe	33
PID 1344 wrote to memory of 3032	1344	32efb1eb360cda726f0eb7647d1963adf37dada4b1a4b5ec486c88bfa1f21471.exe	33
PID 1344 wrote to memory of 3032	1344	32efb1eb360cda726f0eb7647d1963adf37dada4b1a4b5ec486c88bfa1f21471.exe	33
PID 1344 wrote to memory of 3032	1344	32efb1eb360cda726f0eb7647d1963adf37dada4b1a4b5ec486c88bfa1f21471.exe	33
PID 1344 wrote to memory of 3032	1344	32efb1eb360cda726f0eb7647d1963adf37dada4b1a4b5ec486c88bfa1f21471.exe	33
PID 2816 wrote to memory of 2608	2816	_peg.exe	34
PID 2816 wrote to memory of 2608	2816	_peg.exe	34
PID 2816 wrote to memory of 2608	2816	_peg.exe	34
PID 2816 wrote to memory of 2608	2816	_peg.exe	34
PID 2608 wrote to memory of 2860	2608	cmd.exe	36
PID 2608 wrote to memory of 2860	2608	cmd.exe	36
PID 2608 wrote to memory of 2860	2608	cmd.exe	36
PID 2816 wrote to memory of 2760	2816	_peg.exe	37
PID 2816 wrote to memory of 2760	2816	_peg.exe	37
PID 2816 wrote to memory of 2760	2816	_peg.exe	37
PID 2816 wrote to memory of 2760	2816	_peg.exe	37
PID 2760 wrote to memory of 2852	2760	cmd.exe	39
PID 2760 wrote to memory of 2852	2760	cmd.exe	39
PID 2760 wrote to memory of 2852	2760	cmd.exe	39
PID 2816 wrote to memory of 1804	2816	_peg.exe	43
PID 2816 wrote to memory of 1804	2816	_peg.exe	43
PID 2816 wrote to memory of 1804	2816	_peg.exe	43
PID 2816 wrote to memory of 1804	2816	_peg.exe	43
PID 1804 wrote to memory of 1620	1804	cmd.exe	45
PID 1804 wrote to memory of 1620	1804	cmd.exe	45
PID 1804 wrote to memory of 1620	1804	cmd.exe	45
PID 1804 wrote to memory of 752	1804	cmd.exe	46
PID 1804 wrote to memory of 752	1804	cmd.exe	46
PID 1804 wrote to memory of 752	1804	cmd.exe	46
PID 2816 wrote to memory of 688	2816	_peg.exe	47
PID 2816 wrote to memory of 688	2816	_peg.exe	47
PID 2816 wrote to memory of 688	2816	_peg.exe	47
PID 2816 wrote to memory of 688	2816	_peg.exe	47
PID 688 wrote to memory of 2084	688	cmd.exe	49
PID 688 wrote to memory of 2084	688	cmd.exe	49
PID 688 wrote to memory of 2084	688	cmd.exe	49
PID 2816 wrote to memory of 1808	2816	_peg.exe	50
PID 2816 wrote to memory of 1808	2816	_peg.exe	50
PID 2816 wrote to memory of 1808	2816	_peg.exe	50
PID 2816 wrote to memory of 1808	2816	_peg.exe	50
PID 1808 wrote to memory of 2848	1808	cmd.exe	52
PID 1808 wrote to memory of 2848	1808	cmd.exe	52
PID 1808 wrote to memory of 2848	1808	cmd.exe	52

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\32efb1eb360cda726f0eb7647d1963adf37dada4b1a4b5ec486c88bfa1f21471.exe
"C:\Users\Admin\AppData\Local\Temp\32efb1eb360cda726f0eb7647d1963adf37dada4b1a4b5ec486c88bfa1f21471.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1344
- C:\Users\Admin\AppData\Local\Temp\ohsha.exe
  123 \\.\pipe\DB165238-53AD-45D2-AE1E-5457E9CA0AD8
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2304
- C:\Users\Admin\AppData\Local\Temp\jznho.exe
  123 \\.\pipe\1AED8849-3317-4CE6-ACE5-26D0F008152F
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3004
- C:\Users\Admin\AppData\Local\Temp\_peg.exe
  "C:\Users\Admin\AppData\Local\Temp\_peg.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2816
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c c:\Windows\system32\vssadmin.exe delete shadows /all /quiet
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2608
  - - \??\c:\Windows\system32\vssadmin.exe
      c:\Windows\system32\vssadmin.exe delete shadows /all /quiet
      4⤵
      Interacts with shadow copies
      PID:2860
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c wbadmin.exe delete catalog -quiet
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2760
  - - C:\Windows\system32\wbadmin.exe
      wbadmin.exe delete catalog -quiet
      4⤵
      Deletes backup catalog
      PID:2852
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c bcdedit.exe /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1804
  - - C:\Windows\system32\bcdedit.exe
      bcdedit.exe /set {default} bootstatuspolicy ignoreallfailures
      4⤵
      Modifies boot configuration data using bcdedit
      PID:1620
  - - C:\Windows\system32\bcdedit.exe
      bcdedit /set {default} recoveryenabled no
      4⤵
      Modifies boot configuration data using bcdedit
      PID:752
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c wevtutil.exe cl System
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:688
  - - C:\Windows\system32\wevtutil.exe
      wevtutil.exe cl System
      4⤵
      Clears Windows event logs
      Suspicious use of AdjustPrivilegeToken
      PID:2084
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c wevtutil.exe cl Security
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1808
  - - C:\Windows\system32\wevtutil.exe
      wevtutil.exe cl Security
      4⤵
      Clears Windows event logs
      Suspicious use of AdjustPrivilegeToken
      PID:2848
- C:\Windows\SysWOW64\notepad.exe
  "C:\Windows\system32\notepad.exe"
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3032

C:\Windows\system32\wbengine.exe
"C:\Windows\system32\wbengine.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2764

C:\Windows\System32\vdsldr.exe
C:\Windows\System32\vdsldr.exe -Embedding
1⤵
PID:2620

C:\Windows\System32\vds.exe
C:\Windows\System32\vds.exe
1⤵
PID:2720

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Management Instrumentation

T1047

Persistence

Privilege Escalation

Defense Evasion

Direct Volume Access

T1006

Indicator Removal

T1070

Clear Windows Event Logs

T1070.001

File Deletion

T1070.004

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Inhibit System Recovery

T1490

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\jznho.exe

Filesize
277KB

MD5
86d1a184850859a6a4d1c35982f3c40e

SHA1
4abde6ff4d7f30c60dc61e866c4a11a7eee5bef5

SHA256
eb766983a8a05ad16b15e356df43f4e00f36092b8c6effdff3a580c2de2bba8f

SHA512
e9c18e0a70af00119bef1c697f0a801e9942c4702046d7f20533ea33c987c37c2007066b13935c8df6e039628db885cad2338feb95490e27cdcdbd57a7d0cc1a

Download Submit
\Users\Admin\AppData\Local\Temp\_peg.exe

Filesize
36KB

MD5
3c0d740347b0362331c882c2dee96dbf

SHA1
8350e06f52e5c660bb416b03edb6a5ddc50c3a59

SHA256
ae9a4e244a9b3c77d489dee8aeaf35a7c3ba31b210e76d81ef2e91790f052c85

SHA512
a701f94b9cdebce6eff2f82552ec7554bf10d99019f8bcd6871ebca804d7519bdcfa3806ac7c7d8e604c3259c61c58b905293fa641c092a8fca8245f91eb0f8f

Download Submit
\Users\Admin\AppData\Local\Temp\ohsha.exe

Filesize
751KB

MD5
68970b2cd5430c812bef5b87c1add6ea

SHA1
7695d829965b802c50d96a19dbc2fc361169624d

SHA256
e4e1e3c44e01c60fd433c6283bd8cd15a9941e1cbaad72e6409cc92e2e91263e

SHA512
1ea13dfb60cdca0338bb20a50419901a12387db2253c5d6ae3b6939c803e6f1e7998b7ba443c7472a931e64df94521cb6c6c3f646b01d5e671acb103d0a64475

Download Submit
memory/2304-5-0x0000000010000000-0x00000000100AA000-memory.dmp

Filesize
680KB

Download
memory/3004-17-0x0000000180000000-0x000000018002B000-memory.dmp

Filesize
172KB

Download
memory/3032-37-0x00000000000D0000-0x00000000000D2000-memory.dmp

Filesize
8KB

Download
memory/3032-35-0x00000000000C0000-0x00000000000C2000-memory.dmp

Filesize
8KB

Download