mimikatz | edb1ff2521fb4bf748111f92786d260d40407a2e8463dcd24bb09f908ee13eb9

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-09-2024 04:14

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General

Target

OlympicDestroyer.exe
Size

1.8MB
MD5

cfdd16225e67471f5ef54cab9b3a5558
SHA1

26de43cc558a4e0e60eddd4dc9321bcb5a0a181c
SHA256

edb1ff2521fb4bf748111f92786d260d40407a2e8463dcd24bb09f908ee13eb9
SHA512

e1855a872f4db7c17eb22130d9cb205eddde641f1b39ea5de97dfb762fc97dc2347bc6e6e88b9c5a303e1540b4b4bdb19c839c7d3e237348adbfa4b942f24adb
SSDEEP

49152:R9dnjRSnRMWHrVDoqNcVhcAwARGcWRrLy3pNq:3dVSRMUrVDEVHLRGdRrLy5N

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

Processes:

wevtutil.exewevtutil.exe

pid	Process
2584	wevtutil.exe
2740	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

Processes:

bcdedit.exebcdedit.exe

pid	Process
2852	bcdedit.exe
2868	bcdedit.exe

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

Processes:

resource	yara_rule
behavioral1/memory/2940-18-0x0000000180000000-0x000000018002B000-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

Processes:

wbadmin.exe

pid	Process
892	wbadmin.exe

Executes dropped EXE 3 IoCs

Processes:

ymnks.exetriqq.exe_ald.exe

pid	Process
2788	ymnks.exe
2940	triqq.exe
2716	_ald.exe

Loads dropped DLL 3 IoCs

Processes:

OlympicDestroyer.exe

pid	Process
1728	OlympicDestroyer.exe
1728	OlympicDestroyer.exe
1728	OlympicDestroyer.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 3 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

Processes:

OlympicDestroyer.exeymnks.exe_ald.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	OlympicDestroyer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ymnks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	_ald.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

Processes:

vssadmin.exe

pid	Process
1752	vssadmin.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

triqq.exe

pid	Process
2940	triqq.exe
2940	triqq.exe
2940	triqq.exe
2940	triqq.exe
2940	triqq.exe

Suspicious use of AdjustPrivilegeToken 29 IoCs

Processes:

OlympicDestroyer.exetriqq.exe_ald.exewbengine.exewevtutil.exewevtutil.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1728	OlympicDestroyer.exe
Token: SeSecurityPrivilege	1728	OlympicDestroyer.exe
Token: SeTakeOwnershipPrivilege	1728	OlympicDestroyer.exe
Token: SeLoadDriverPrivilege	1728	OlympicDestroyer.exe
Token: SeSystemProfilePrivilege	1728	OlympicDestroyer.exe
Token: SeSystemtimePrivilege	1728	OlympicDestroyer.exe
Token: SeProfSingleProcessPrivilege	1728	OlympicDestroyer.exe
Token: SeIncBasePriorityPrivilege	1728	OlympicDestroyer.exe
Token: SeCreatePagefilePrivilege	1728	OlympicDestroyer.exe
Token: SeBackupPrivilege	1728	OlympicDestroyer.exe
Token: SeRestorePrivilege	1728	OlympicDestroyer.exe
Token: SeShutdownPrivilege	1728	OlympicDestroyer.exe
Token: SeDebugPrivilege	1728	OlympicDestroyer.exe
Token: SeSystemEnvironmentPrivilege	1728	OlympicDestroyer.exe
Token: SeRemoteShutdownPrivilege	1728	OlympicDestroyer.exe
Token: SeUndockPrivilege	1728	OlympicDestroyer.exe
Token: SeManageVolumePrivilege	1728	OlympicDestroyer.exe
Token: 33	1728	OlympicDestroyer.exe
Token: 34	1728	OlympicDestroyer.exe
Token: 35	1728	OlympicDestroyer.exe
Token: SeDebugPrivilege	2940	triqq.exe
Token: SeShutdownPrivilege	2716	_ald.exe
Token: SeBackupPrivilege	1172	wbengine.exe
Token: SeRestorePrivilege	1172	wbengine.exe
Token: SeSecurityPrivilege	1172	wbengine.exe
Token: SeSecurityPrivilege	2584	wevtutil.exe
Token: SeBackupPrivilege	2584	wevtutil.exe
Token: SeSecurityPrivilege	2740	wevtutil.exe
Token: SeBackupPrivilege	2740	wevtutil.exe

Suspicious use of WriteProcessMemory 50 IoCs

Processes:

OlympicDestroyer.exe_ald.execmd.execmd.execmd.execmd.execmd.exe

description	pid	Process	procid_target
PID 1728 wrote to memory of 2788	1728	OlympicDestroyer.exe	30
PID 1728 wrote to memory of 2788	1728	OlympicDestroyer.exe	30
PID 1728 wrote to memory of 2788	1728	OlympicDestroyer.exe	30
PID 1728 wrote to memory of 2788	1728	OlympicDestroyer.exe	30
PID 1728 wrote to memory of 2940	1728	OlympicDestroyer.exe	31
PID 1728 wrote to memory of 2940	1728	OlympicDestroyer.exe	31
PID 1728 wrote to memory of 2940	1728	OlympicDestroyer.exe	31
PID 1728 wrote to memory of 2940	1728	OlympicDestroyer.exe	31
PID 1728 wrote to memory of 2716	1728	OlympicDestroyer.exe	32
PID 1728 wrote to memory of 2716	1728	OlympicDestroyer.exe	32
PID 1728 wrote to memory of 2716	1728	OlympicDestroyer.exe	32
PID 1728 wrote to memory of 2716	1728	OlympicDestroyer.exe	32
PID 2716 wrote to memory of 2624	2716	_ald.exe	33
PID 2716 wrote to memory of 2624	2716	_ald.exe	33
PID 2716 wrote to memory of 2624	2716	_ald.exe	33
PID 2716 wrote to memory of 2624	2716	_ald.exe	33
PID 2624 wrote to memory of 1752	2624	cmd.exe	35
PID 2624 wrote to memory of 1752	2624	cmd.exe	35
PID 2624 wrote to memory of 1752	2624	cmd.exe	35
PID 2716 wrote to memory of 1396	2716	_ald.exe	36
PID 2716 wrote to memory of 1396	2716	_ald.exe	36
PID 2716 wrote to memory of 1396	2716	_ald.exe	36
PID 2716 wrote to memory of 1396	2716	_ald.exe	36
PID 1396 wrote to memory of 892	1396	cmd.exe	38
PID 1396 wrote to memory of 892	1396	cmd.exe	38
PID 1396 wrote to memory of 892	1396	cmd.exe	38
PID 2716 wrote to memory of 2160	2716	_ald.exe	42
PID 2716 wrote to memory of 2160	2716	_ald.exe	42
PID 2716 wrote to memory of 2160	2716	_ald.exe	42
PID 2716 wrote to memory of 2160	2716	_ald.exe	42
PID 2160 wrote to memory of 2852	2160	cmd.exe	44
PID 2160 wrote to memory of 2852	2160	cmd.exe	44
PID 2160 wrote to memory of 2852	2160	cmd.exe	44
PID 2160 wrote to memory of 2868	2160	cmd.exe	45
PID 2160 wrote to memory of 2868	2160	cmd.exe	45
PID 2160 wrote to memory of 2868	2160	cmd.exe	45
PID 2716 wrote to memory of 2872	2716	_ald.exe	46
PID 2716 wrote to memory of 2872	2716	_ald.exe	46
PID 2716 wrote to memory of 2872	2716	_ald.exe	46
PID 2716 wrote to memory of 2872	2716	_ald.exe	46
PID 2872 wrote to memory of 2584	2872	cmd.exe	48
PID 2872 wrote to memory of 2584	2872	cmd.exe	48
PID 2872 wrote to memory of 2584	2872	cmd.exe	48
PID 2716 wrote to memory of 2320	2716	_ald.exe	49
PID 2716 wrote to memory of 2320	2716	_ald.exe	49
PID 2716 wrote to memory of 2320	2716	_ald.exe	49
PID 2716 wrote to memory of 2320	2716	_ald.exe	49
PID 2320 wrote to memory of 2740	2320	cmd.exe	51
PID 2320 wrote to memory of 2740	2320	cmd.exe	51
PID 2320 wrote to memory of 2740	2320	cmd.exe	51

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\OlympicDestroyer.exe
"C:\Users\Admin\AppData\Local\Temp\OlympicDestroyer.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1728
- C:\Users\Admin\AppData\Local\Temp\ymnks.exe
  123 \\.\pipe\7687412F-EAD4-4485-A09E-A9B88E1CC994
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2788
- C:\Users\Admin\AppData\Local\Temp\triqq.exe
  123 \\.\pipe\31E24180-6B98-4F69-A96F-991182EF619F
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2940
- C:\Users\Admin\AppData\Local\Temp\_ald.exe
  "C:\Users\Admin\AppData\Local\Temp\_ald.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2716
- - 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:2624
  - - \??\c:\Windows\system32\vssadmin.exe
      c:\Windows\system32\vssadmin.exe delete shadows /all /quiet
      4⤵
      Interacts with shadow copies
      PID:1752
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c wbadmin.exe delete catalog -quiet
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1396
  - - C:\Windows\system32\wbadmin.exe
      wbadmin.exe delete catalog -quiet
      4⤵
      Deletes backup catalog
      PID:892
- - 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:2160
  - - C:\Windows\system32\bcdedit.exe
      bcdedit.exe /set {default} bootstatuspolicy ignoreallfailures
      4⤵
      Modifies boot configuration data using bcdedit
      PID:2852
  - - C:\Windows\system32\bcdedit.exe
      bcdedit /set {default} recoveryenabled no
      4⤵
      Modifies boot configuration data using bcdedit
      PID:2868
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c wevtutil.exe cl System
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2872
  - - C:\Windows\system32\wevtutil.exe
      wevtutil.exe cl System
      4⤵
      Clears Windows event logs
      Suspicious use of AdjustPrivilegeToken
      PID:2584
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c wevtutil.exe cl Security
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2320
  - - C:\Windows\system32\wevtutil.exe
      wevtutil.exe cl Security
      4⤵
      Clears Windows event logs
      Suspicious use of AdjustPrivilegeToken
      PID:2740

C:\Windows\system32\wbengine.exe
"C:\Windows\system32\wbengine.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1172

C:\Windows\System32\vdsldr.exe
C:\Windows\System32\vdsldr.exe -Embedding
1⤵
PID:2752

C:\Windows\System32\vds.exe
C:\Windows\System32\vds.exe
1⤵
PID:2964

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

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Downloads

\Users\Admin\AppData\Local\Temp\_ald.exe

Filesize
36KB

MD5
3c0d740347b0362331c882c2dee96dbf

SHA1
8350e06f52e5c660bb416b03edb6a5ddc50c3a59

SHA256
ae9a4e244a9b3c77d489dee8aeaf35a7c3ba31b210e76d81ef2e91790f052c85

SHA512
a701f94b9cdebce6eff2f82552ec7554bf10d99019f8bcd6871ebca804d7519bdcfa3806ac7c7d8e604c3259c61c58b905293fa641c092a8fca8245f91eb0f8f

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

Filesize
277KB

MD5
d9c37b937ffde812ae15de885913e101

SHA1
ed1cd9e086923797fe2e5fe8ff19685bd2a40072

SHA256
f188abc33d351c2254d794b525c5a8b79ea78acd3050cd8d27d3ecfc568c2936

SHA512
164f45f3f8336ab450e119c716c30168c8115d5bdac7d220ea6f98a6889eee045092d163e54c2851a378a5d4877e913a342333c8bd0ab5615e34c40ca75e2877

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

Filesize
751KB

MD5
4f43f03783f9789f804dcf9b9474fa6d

SHA1
492d4a4a74099074e26b5dffd0d15434009ccfd9

SHA256
19ab44a1343db19741b0e0b06bacce55990b6c8f789815daaf3476e0cc30ebea

SHA512
645c2f0a1342732b86a45403fb8b1343bcc18c015c9918d2edf118bbb210fead98aa21f1b66ac5faabd0542583d74e158fbac6d5f0d49827f4eeb58c8ebafd6d

Download Submit
memory/2788-5-0x0000000010000000-0x00000000100AA000-memory.dmp

Filesize
680KB

Download
memory/2940-18-0x0000000180000000-0x000000018002B000-memory.dmp

Filesize
172KB

Download