mimikatz | 142482b54e8df90d91524768c5df2009899da7d011d6eff3082c9d4b26368a97

Analysis

max time kernel
591s
max time network
601s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
20-07-2024 15:28

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General

Target

a58b5f2e8172be31e3d1fcc046d044bd862393f3d3e12922287bedf6f8c18e39.exe
Size

1.8MB
MD5

104ecbc2746702fa6ecd4562a867e7fb
SHA1

05cf385b36cf22f10c0cd758d71cdcb228cca2a4
SHA256

a58b5f2e8172be31e3d1fcc046d044bd862393f3d3e12922287bedf6f8c18e39
SHA512

02698abb7cbfb0c4596d8b487d9808c3a0746606999892d49d5250412cb96f971b33b8f233e7a1e465b08ddef47fa011ac463085f5247a9ecf5cda9b3c18002f
SSDEEP

49152:R9dnjRHnRMWHrVDoqNcVhcAwARGcWRrLy3pNq:3dVHRMUrVDEVHLRGdRrLy5N

Score

10^/10

mimikatz 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

Indicator Removal

T1070

pid	Process
4864	wevtutil.exe
4748	wevtutil.exe

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
1416	bcdedit.exe
632	bcdedit.exe

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

resource	yara_rule
behavioral6/memory/964-17-0x0000000180000000-0x000000018002B000-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
1860	wbadmin.exe

Executes dropped EXE 3 IoCs

pid	Process
2832	knfoe.exe
964	vfaxq.exe
3940	_xwr.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

Checks SCSI registry key(s) 3 TTPs 4 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_QEMU&PROD_QEMU_DVD-ROM\4&215468A5&0&010000	vds.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\FriendlyName	vds.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_DADY&PROD_HARDDISK\4&215468A5&0&000000	vds.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName	vds.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
800	vssadmin.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
964	vfaxq.exe
964	vfaxq.exe
964	vfaxq.exe
964	vfaxq.exe
964	vfaxq.exe
964	vfaxq.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2116	a58b5f2e8172be31e3d1fcc046d044bd862393f3d3e12922287bedf6f8c18e39.exe
Token: SeSecurityPrivilege	2116	a58b5f2e8172be31e3d1fcc046d044bd862393f3d3e12922287bedf6f8c18e39.exe
Token: SeTakeOwnershipPrivilege	2116	a58b5f2e8172be31e3d1fcc046d044bd862393f3d3e12922287bedf6f8c18e39.exe
Token: SeLoadDriverPrivilege	2116	a58b5f2e8172be31e3d1fcc046d044bd862393f3d3e12922287bedf6f8c18e39.exe
Token: SeSystemProfilePrivilege	2116	a58b5f2e8172be31e3d1fcc046d044bd862393f3d3e12922287bedf6f8c18e39.exe
Token: SeSystemtimePrivilege	2116	a58b5f2e8172be31e3d1fcc046d044bd862393f3d3e12922287bedf6f8c18e39.exe
Token: SeProfSingleProcessPrivilege	2116	a58b5f2e8172be31e3d1fcc046d044bd862393f3d3e12922287bedf6f8c18e39.exe
Token: SeIncBasePriorityPrivilege	2116	a58b5f2e8172be31e3d1fcc046d044bd862393f3d3e12922287bedf6f8c18e39.exe
Token: SeCreatePagefilePrivilege	2116	a58b5f2e8172be31e3d1fcc046d044bd862393f3d3e12922287bedf6f8c18e39.exe
Token: SeBackupPrivilege	2116	a58b5f2e8172be31e3d1fcc046d044bd862393f3d3e12922287bedf6f8c18e39.exe
Token: SeRestorePrivilege	2116	a58b5f2e8172be31e3d1fcc046d044bd862393f3d3e12922287bedf6f8c18e39.exe
Token: SeShutdownPrivilege	2116	a58b5f2e8172be31e3d1fcc046d044bd862393f3d3e12922287bedf6f8c18e39.exe
Token: SeDebugPrivilege	2116	a58b5f2e8172be31e3d1fcc046d044bd862393f3d3e12922287bedf6f8c18e39.exe
Token: SeSystemEnvironmentPrivilege	2116	a58b5f2e8172be31e3d1fcc046d044bd862393f3d3e12922287bedf6f8c18e39.exe
Token: SeRemoteShutdownPrivilege	2116	a58b5f2e8172be31e3d1fcc046d044bd862393f3d3e12922287bedf6f8c18e39.exe
Token: SeUndockPrivilege	2116	a58b5f2e8172be31e3d1fcc046d044bd862393f3d3e12922287bedf6f8c18e39.exe
Token: SeManageVolumePrivilege	2116	a58b5f2e8172be31e3d1fcc046d044bd862393f3d3e12922287bedf6f8c18e39.exe
Token: 33	2116	a58b5f2e8172be31e3d1fcc046d044bd862393f3d3e12922287bedf6f8c18e39.exe
Token: 34	2116	a58b5f2e8172be31e3d1fcc046d044bd862393f3d3e12922287bedf6f8c18e39.exe
Token: 35	2116	a58b5f2e8172be31e3d1fcc046d044bd862393f3d3e12922287bedf6f8c18e39.exe
Token: 36	2116	a58b5f2e8172be31e3d1fcc046d044bd862393f3d3e12922287bedf6f8c18e39.exe
Token: SeDebugPrivilege	964	vfaxq.exe
Token: SeShutdownPrivilege	3940	_xwr.exe
Token: SeBackupPrivilege	3440	vssvc.exe
Token: SeRestorePrivilege	3440	vssvc.exe
Token: SeAuditPrivilege	3440	vssvc.exe
Token: SeBackupPrivilege	1012	wbengine.exe
Token: SeRestorePrivilege	1012	wbengine.exe
Token: SeSecurityPrivilege	1012	wbengine.exe
Token: SeSecurityPrivilege	4864	wevtutil.exe
Token: SeBackupPrivilege	4864	wevtutil.exe
Token: SeSecurityPrivilege	4748	wevtutil.exe
Token: SeBackupPrivilege	4748	wevtutil.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 2832	2116	a58b5f2e8172be31e3d1fcc046d044bd862393f3d3e12922287bedf6f8c18e39.exe	86
PID 2116 wrote to memory of 2832	2116	a58b5f2e8172be31e3d1fcc046d044bd862393f3d3e12922287bedf6f8c18e39.exe	86
PID 2116 wrote to memory of 2832	2116	a58b5f2e8172be31e3d1fcc046d044bd862393f3d3e12922287bedf6f8c18e39.exe	86
PID 2116 wrote to memory of 964	2116	a58b5f2e8172be31e3d1fcc046d044bd862393f3d3e12922287bedf6f8c18e39.exe	88
PID 2116 wrote to memory of 964	2116	a58b5f2e8172be31e3d1fcc046d044bd862393f3d3e12922287bedf6f8c18e39.exe	88
PID 2116 wrote to memory of 3940	2116	a58b5f2e8172be31e3d1fcc046d044bd862393f3d3e12922287bedf6f8c18e39.exe	89
PID 2116 wrote to memory of 3940	2116	a58b5f2e8172be31e3d1fcc046d044bd862393f3d3e12922287bedf6f8c18e39.exe	89
PID 2116 wrote to memory of 3940	2116	a58b5f2e8172be31e3d1fcc046d044bd862393f3d3e12922287bedf6f8c18e39.exe	89
PID 3940 wrote to memory of 4196	3940	_xwr.exe	90
PID 3940 wrote to memory of 4196	3940	_xwr.exe	90
PID 4196 wrote to memory of 800	4196	cmd.exe	92
PID 4196 wrote to memory of 800	4196	cmd.exe	92
PID 3940 wrote to memory of 4876	3940	_xwr.exe	95
PID 3940 wrote to memory of 4876	3940	_xwr.exe	95
PID 4876 wrote to memory of 1860	4876	cmd.exe	97
PID 4876 wrote to memory of 1860	4876	cmd.exe	97
PID 3940 wrote to memory of 3004	3940	_xwr.exe	101
PID 3940 wrote to memory of 3004	3940	_xwr.exe	101
PID 3004 wrote to memory of 1416	3004	cmd.exe	103
PID 3004 wrote to memory of 1416	3004	cmd.exe	103
PID 3004 wrote to memory of 632	3004	cmd.exe	104
PID 3004 wrote to memory of 632	3004	cmd.exe	104
PID 3940 wrote to memory of 3880	3940	_xwr.exe	105
PID 3940 wrote to memory of 3880	3940	_xwr.exe	105
PID 3880 wrote to memory of 4864	3880	cmd.exe	107
PID 3880 wrote to memory of 4864	3880	cmd.exe	107
PID 3940 wrote to memory of 2080	3940	_xwr.exe	108
PID 3940 wrote to memory of 2080	3940	_xwr.exe	108
PID 2080 wrote to memory of 4748	2080	cmd.exe	110
PID 2080 wrote to memory of 4748	2080	cmd.exe	110

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
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\a58b5f2e8172be31e3d1fcc046d044bd862393f3d3e12922287bedf6f8c18e39.exe
"C:\Users\Admin\AppData\Local\Temp\a58b5f2e8172be31e3d1fcc046d044bd862393f3d3e12922287bedf6f8c18e39.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2116
- C:\Users\Admin\AppData\Local\Temp\knfoe.exe
  123 \\.\pipe\118FA723-EB50-44FC-A4F5-2A2FD15772C5
  2⤵
  - Executes dropped EXE
  PID:2832
- C:\Users\Admin\AppData\Local\Temp\vfaxq.exe
  123 \\.\pipe\C9A17B5D-D466-4C5B-AC4A-6922B9CEB20B
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:964
- C:\Users\Admin\AppData\Local\Temp\_xwr.exe
  "C:\Users\Admin\AppData\Local\Temp\_xwr.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3940
- - 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:4196
  - - \??\c:\Windows\system32\vssadmin.exe
      c:\Windows\system32\vssadmin.exe delete shadows /all /quiet
      4⤵
      Interacts with shadow copies
      PID:800
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c wbadmin.exe delete catalog -quiet
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4876
  - - C:\Windows\system32\wbadmin.exe
      wbadmin.exe delete catalog -quiet
      4⤵
      Deletes backup catalog
      PID:1860
- - 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:3004
  - - C:\Windows\system32\bcdedit.exe
      bcdedit.exe /set {default} bootstatuspolicy ignoreallfailures
      4⤵
      Modifies boot configuration data using bcdedit
      PID:1416
  - - C:\Windows\system32\bcdedit.exe
      bcdedit /set {default} recoveryenabled no
      4⤵
      Modifies boot configuration data using bcdedit
      PID:632
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c wevtutil.exe cl System
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3880
  - - C:\Windows\system32\wevtutil.exe
      wevtutil.exe cl System
      4⤵
      Clears Windows event logs
      Suspicious use of AdjustPrivilegeToken
      PID:4864
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c wevtutil.exe cl Security
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2080
  - - C:\Windows\system32\wevtutil.exe
      wevtutil.exe cl Security
      4⤵
      Clears Windows event logs
      Suspicious use of AdjustPrivilegeToken
      PID:4748

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3440

C:\Windows\system32\wbengine.exe
"C:\Windows\system32\wbengine.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1012

C:\Windows\System32\vdsldr.exe
C:\Windows\System32\vdsldr.exe -Embedding
1⤵
PID:3052

C:\Windows\System32\vds.exe
C:\Windows\System32\vds.exe
1⤵
- Checks SCSI registry key(s)
PID:4696

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

File Deletion

T1070.004

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

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\_xwr.exe

Filesize
36KB

MD5
3c0d740347b0362331c882c2dee96dbf

SHA1
8350e06f52e5c660bb416b03edb6a5ddc50c3a59

SHA256
ae9a4e244a9b3c77d489dee8aeaf35a7c3ba31b210e76d81ef2e91790f052c85

SHA512
a701f94b9cdebce6eff2f82552ec7554bf10d99019f8bcd6871ebca804d7519bdcfa3806ac7c7d8e604c3259c61c58b905293fa641c092a8fca8245f91eb0f8f

Download Submit
C:\Users\Admin\AppData\Local\Temp\knfoe.exe

Filesize
751KB

MD5
4f43f03783f9789f804dcf9b9474fa6d

SHA1
492d4a4a74099074e26b5dffd0d15434009ccfd9

SHA256
19ab44a1343db19741b0e0b06bacce55990b6c8f789815daaf3476e0cc30ebea

SHA512
645c2f0a1342732b86a45403fb8b1343bcc18c015c9918d2edf118bbb210fead98aa21f1b66ac5faabd0542583d74e158fbac6d5f0d49827f4eeb58c8ebafd6d

Download Submit
C:\Users\Admin\AppData\Local\Temp\vfaxq.exe

Filesize
277KB

MD5
d9c37b937ffde812ae15de885913e101

SHA1
ed1cd9e086923797fe2e5fe8ff19685bd2a40072

SHA256
f188abc33d351c2254d794b525c5a8b79ea78acd3050cd8d27d3ecfc568c2936

SHA512
164f45f3f8336ab450e119c716c30168c8115d5bdac7d220ea6f98a6889eee045092d163e54c2851a378a5d4877e913a342333c8bd0ab5615e34c40ca75e2877

Download Submit
memory/964-17-0x0000000180000000-0x000000018002B000-memory.dmp

Filesize
172KB

Download
memory/2832-4-0x0000000010000000-0x00000000100AA000-memory.dmp

Filesize
680KB

Download