8daed8e6f102e9c7511d76002274e5ee7415ebc4ba3dae11aa934e6b11542816

Analysis

max time kernel
16s
max time network
113s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
12/09/2026, 17:23

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General

Target
2026-09-12_cdec01480344d2e8dbda0600c3998452_akira_cobalt-strike_elex_njrat_vidar.exe
Size 4.8MB
Sample260912-vx83ca1eqf
SHA256 8daed8e6f102e9c7511d76002274e5ee7415ebc4ba3dae11aa934e6b11542816
MD5 cdec01480344d2e8dbda0600c3998452
SHA1 d7d1fe73d2d223223620ace5369c392f189b96d9
SHA512 168beface5195c29298f92709f4440ac94596541c494c622236757ce10b1452c6e57e1099cac9ba5f97de4c623cea911e019a2dc52d68ffd0c19dd2158213e3b
SSDEEP 98304:5qKUgTH2M2m9UMpu1QfLczqsrs+wE9XD8VBp:5agTH2qBpu1QfLIqsrV9z8R
TLSH
T1E736F912655A2F6CD15FD474CB4B8925AA277C8A0F246BEF0281BD713E766F42F38207
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

aspackv2 discovery persistence

Malware Config

Signatures

Detects executables packed with ASPack 8 IoCs

resource	yara_rule
behavioral2/memory/4608-0-0x0000000000400000-0x0000000000414000-memory.dmp	INDICATOR_EXE_Packed_ASPack
behavioral2/files/0x000f00000001c44e-4.dat	INDICATOR_EXE_Packed_ASPack
behavioral2/memory/4608-10-0x0000000000400000-0x0000000000414000-memory.dmp	INDICATOR_EXE_Packed_ASPack
behavioral2/memory/3156-24-0x0000000000400000-0x0000000000414000-memory.dmp	INDICATOR_EXE_Packed_ASPack
behavioral2/files/0x000e00000001c45c-22.dat	INDICATOR_EXE_Packed_ASPack
behavioral2/memory/5308-21-0x0000000000400000-0x0000000000414000-memory.dmp	INDICATOR_EXE_Packed_ASPack
behavioral2/memory/3444-27-0x0000000000400000-0x0000000000414000-memory.dmp	INDICATOR_EXE_Packed_ASPack
behavioral2/memory/5352-28-0x0000000000400000-0x0000000000414000-memory.dmp	INDICATOR_EXE_Packed_ASPack

ASPack v2.12-2.42 2 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral2/files/0x000f00000001c44e-4.dat	aspack_v212_v242
behavioral2/files/0x000e00000001c45c-22.dat	aspack_v212_v242

Executes dropped EXE 5 IoCs

pid	Process
5352	MSWDM.EXE
3156	MSWDM.EXE
2108	2026-09-12_CDEC01480344D2E8DBDA0600C3998452_AKIRA_COBALT-STRIKE_ELEX_NJRAT_VIDAR.EXE
5308	MSWDM.EXE
3444	MSWDM.EXE

Adds Run key to start application 2 TTPs 6 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WDM = "MSWDM.EXE"	2026-09-12_cdec01480344d2e8dbda0600c3998452_akira_cobalt-strike_elex_njrat_vidar.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunServices\WDM = "MSWDM.EXE"	2026-09-12_cdec01480344d2e8dbda0600c3998452_akira_cobalt-strike_elex_njrat_vidar.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WDM = "MSWDM.EXE"	MSWDM.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunServices\WDM = "MSWDM.EXE"	MSWDM.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WDM = "MSWDM.EXE"	MSWDM.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunServices\WDM = "MSWDM.EXE"	MSWDM.EXE

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\WINDOWS\MSWDM.EXE	2026-09-12_cdec01480344d2e8dbda0600c3998452_akira_cobalt-strike_elex_njrat_vidar.exe
File opened for modification	C:\Windows\dev2BC9.tmp	2026-09-12_cdec01480344d2e8dbda0600c3998452_akira_cobalt-strike_elex_njrat_vidar.exe
File opened for modification	C:\Windows\dev2BC9.tmp	MSWDM.EXE

System Location Discovery: System Language Discovery 1 TTPs 6 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	2026-09-12_cdec01480344d2e8dbda0600c3998452_akira_cobalt-strike_elex_njrat_vidar.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSWDM.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSWDM.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-09-12_CDEC01480344D2E8DBDA0600C3998452_AKIRA_COBALT-STRIKE_ELEX_NJRAT_VIDAR.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSWDM.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSWDM.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3156	MSWDM.EXE
3156	MSWDM.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4608 wrote to memory of 5352	4608	2026-09-12_cdec01480344d2e8dbda0600c3998452_akira_cobalt-strike_elex_njrat_vidar.exe	87
PID 4608 wrote to memory of 3156	4608	2026-09-12_cdec01480344d2e8dbda0600c3998452_akira_cobalt-strike_elex_njrat_vidar.exe	88
PID 3156 wrote to memory of 2108	3156	MSWDM.EXE	89
PID 3156 wrote to memory of 5308	3156	MSWDM.EXE	90

C:\Users\Admin\AppData\Local\Temp\2026-09-12_cdec01480344d2e8dbda0600c3998452_akira_cobalt-strike_elex_njrat_vidar.exe
"C:\Users\Admin\AppData\Local\Temp\2026-09-12_cdec01480344d2e8dbda0600c3998452_akira_cobalt-strike_elex_njrat_vidar.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4608
- C:\WINDOWS\MSWDM.EXE
  "C:\WINDOWS\MSWDM.EXE"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  PID:5352
- C:\WINDOWS\MSWDM.EXE
  -r!C:\Windows\dev2BC9.tmp!C:\Users\Admin\AppData\Local\Temp\2026-09-12_cdec01480344d2e8dbda0600c3998452_akira_cobalt-strike_elex_njrat_vidar.exe! !
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3156
- - C:\Users\Admin\AppData\Local\Temp\2026-09-12_CDEC01480344D2E8DBDA0600C3998452_AKIRA_COBALT-STRIKE_ELEX_NJRAT_VIDAR.EXE
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2108
- - C:\WINDOWS\MSWDM.EXE
    -e!C:\Windows\dev2BC9.tmp!C:\Users\Admin\AppData\Local\Temp\2026-09-12_CDEC01480344D2E8DBDA0600C3998452_AKIRA_COBALT-STRIKE_ELEX_NJRAT_VIDAR.EXE!
    3⤵
    - Executes dropped EXE
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    PID:5308

C:\Windows\MSWDM.EXE
MSWDM.EXE
1⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:3444

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

2026-09-12_CDEC01480344D2E8DBDA0600C3998452_AKIRA_COBALT-STRIKE_ELEX_NJRAT_VIDAR.EXE

Path C:\Users\Admin\AppData\Local\Temp\2026-09-12_CDEC01480344D2E8DBDA0600C3998452_AKIRA_COBALT-STRIKE_ELEX_NJRAT_VIDAR.EXE
Size 4.8MB
SHA256 9b31a7541e02590ef7fa86c356e63596f46313c4bf39732a9b7ae06dca9632d6
MD5 151fde8304bc8aa6a84585d1b5596ce9
SHA1 38418b0316e99893b68999d434e53ec7c7b8d34b
SHA512 3831a10dc697030e78e8a94f24b9e389b2f2f36dd72db926065ef38382617e1a552d46932c4442f96eddb96bc66a9c065918e40dafcd284100930a7a8207ebbe
SSDEEP 98304:5qKUgTH2M2m9UMpu1QfLczqsrs+wE9XD8VBO:5agTH2qBpu1QfLIqsrV9z8m
TLSH
T13836F912655A2F6CD15FD474CB4B8925AA277C8A0F246BEF0281BD713E766F42F38207
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

MSWDM.EXE

Path C:\Windows\MSWDM.EXE
Size 4.0MB
SHA256 a24d2601980b2eeb97b64e46fc1db1ea8978b24b3c82eacdf3dc401ab61b0faf
MD5 7875f015af91e72c700090fcdc81df51
SHA1 0eee35e65e21c7d0ebc555200a6ffe1162ba3b56
SHA512 ca15bd8af81dcdff01495f6217370f4f47923331c4c7b984f17cfe98bf6ced7b344e4bf9287acbe4d942b57653c5c980d7e4166e06e0cd63eb56dc4395f688d6
SSDEEP 49152:55sKU8ggw1g+1CART5eBiyKS3EI3wybn20DCYIHvc8ixuZm9+fWsw6dTPBq/Uybb:5qKUgTH2M2m9UMpu1QfLczqse
TLSH
T1F516C612655A2F6CD55FD474CB4B8915AA237C8A0F246BEF0281BD713E76AF42F38207
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

dev2BC9.tmp

Path C:\Windows\dev2BC9.tmp
Size 794KB
SHA256 2435e1e50c097608e6157efb1036946cfdd02d86728e8e00a02b207bee36e60d
MD5 c6d0721e9156eb2a40a04bb38be0b2a5
SHA1 d0a3fcb3ad9f227a02d30abb767883b42fecc3a7
SHA512 e254db10a7cffc4fe8c2d126dc4eb5029a84b2a931a67ad9ebfd04a8f3417e42a7dfb2e76d8911b2540bcf9eff9cbf92708b158dd8f53dbcbe7be51682ac3ad4
SSDEEP 24576:F3LutmkEz+PAVV/OOInO4Xs2ztR4iegxLHgZpJE4VDd+:FbutmkO+wAOInO4XrztygxLHkJE4VB
TLSH
T1A505D022F3D0A536D7631331993A7231BBBE66301A128B136B541F957FA61E16F2C363
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3156-24-0x0000000000400000-0x0000000000414000-memory.dmp

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memory/3444-27-0x0000000000400000-0x0000000000414000-memory.dmp

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memory/4608-0-0x0000000000400000-0x0000000000414000-memory.dmp

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memory/4608-10-0x0000000000400000-0x0000000000414000-memory.dmp

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memory/5308-21-0x0000000000400000-0x0000000000414000-memory.dmp

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memory/5352-28-0x0000000000400000-0x0000000000414000-memory.dmp

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