82dd554ad76b7ff135ae445bc0bae7793264f247ce7d2b9ca36d6e0a7dc5f516

Analysis

max time kernel
16s
max time network
115s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
13/09/2026, 04:11

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General

Target
2026-09-12_2f4bfcf75b794f3422f19e257f1bda6b_akira_cobalt-strike_coinminer_elex_vidar.exe
Size 4.3MB
Sample260913-esfx1ack8v
SHA256 82dd554ad76b7ff135ae445bc0bae7793264f247ce7d2b9ca36d6e0a7dc5f516
MD5 2f4bfcf75b794f3422f19e257f1bda6b
SHA1 8aa179ad323881b6a60e0fff978913a41f9cb534
SHA512 97cd3644476c1d440f0cf9be134ccef1ad9b20e0cf9bfdbba26d3f5bb00a7d4cd5d04db0ce054e1abdfc85b8bff211898f898647cba079a793b291dc072bd389
SSDEEP 49152:5JUhm9aWIPv94AEsKU8ggw1g+1CART5eBiyKS3EI3wybn20DCYIHvc8ixuZm9+fw:5yhPW2KUgTH2M2m9UMpu1QfLczqx
TLSH
T12626E812554A2F6CD55FD4B4CB4B8816AA233C8A0F346BEF4685BD713A76AF42F38107
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

aspackv2 discovery persistence

Malware Config

Signatures

Custom signature

Detects executables packed with ASPack 8 IoCs

resource	yara_rule
behavioral2/memory/4388-0-0x0000000000400000-0x0000000000414000-memory.dmp	INDICATOR_EXE_Packed_ASPack
behavioral2/files/0x000d00000001c634-7.dat	INDICATOR_EXE_Packed_ASPack
behavioral2/memory/4388-10-0x0000000000400000-0x0000000000414000-memory.dmp	INDICATOR_EXE_Packed_ASPack
behavioral2/memory/1440-21-0x0000000000400000-0x0000000000414000-memory.dmp	INDICATOR_EXE_Packed_ASPack
behavioral2/files/0x000c00000001c637-19.dat	INDICATOR_EXE_Packed_ASPack
behavioral2/memory/2996-18-0x0000000000400000-0x0000000000414000-memory.dmp	INDICATOR_EXE_Packed_ASPack
behavioral2/memory/2912-24-0x0000000000400000-0x0000000000414000-memory.dmp	INDICATOR_EXE_Packed_ASPack
behavioral2/memory/4592-25-0x0000000000400000-0x0000000000414000-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/0x000d00000001c634-7.dat	aspack_v212_v242
behavioral2/files/0x000c00000001c637-19.dat	aspack_v212_v242

Executes dropped EXE 5 IoCs

pid	Process
4592	MSWDM.EXE
1440	MSWDM.EXE
4932	2026-09-12_2F4BFCF75B794F3422F19E257F1BDA6B_AKIRA_COBALT-STRIKE_COINMINER_ELEX_VIDAR.EXE
2996	MSWDM.EXE
2912	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_2f4bfcf75b794f3422f19e257f1bda6b_akira_cobalt-strike_coinminer_elex_vidar.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunServices\WDM = "MSWDM.EXE"	2026-09-12_2f4bfcf75b794f3422f19e257f1bda6b_akira_cobalt-strike_coinminer_elex_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_2f4bfcf75b794f3422f19e257f1bda6b_akira_cobalt-strike_coinminer_elex_vidar.exe
File opened for modification	C:\Windows\dev3FDE.tmp	2026-09-12_2f4bfcf75b794f3422f19e257f1bda6b_akira_cobalt-strike_coinminer_elex_vidar.exe
File opened for modification	C:\Windows\dev3FDE.tmp	MSWDM.EXE

System Location Discovery: System Language Discovery 1 TTPs 5 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_2f4bfcf75b794f3422f19e257f1bda6b_akira_cobalt-strike_coinminer_elex_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	MSWDM.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSWDM.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1440	MSWDM.EXE
1440	MSWDM.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4388 wrote to memory of 4592	4388	2026-09-12_2f4bfcf75b794f3422f19e257f1bda6b_akira_cobalt-strike_coinminer_elex_vidar.exe	88
PID 4388 wrote to memory of 1440	4388	2026-09-12_2f4bfcf75b794f3422f19e257f1bda6b_akira_cobalt-strike_coinminer_elex_vidar.exe	89
PID 1440 wrote to memory of 4932	1440	MSWDM.EXE	90
PID 1440 wrote to memory of 2996	1440	MSWDM.EXE	91

C:\Users\Admin\AppData\Local\Temp\2026-09-12_2f4bfcf75b794f3422f19e257f1bda6b_akira_cobalt-strike_coinminer_elex_vidar.exe
"C:\Users\Admin\AppData\Local\Temp\2026-09-12_2f4bfcf75b794f3422f19e257f1bda6b_akira_cobalt-strike_coinminer_elex_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:4388
- 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:4592
- C:\WINDOWS\MSWDM.EXE
  -r!C:\Windows\dev3FDE.tmp!C:\Users\Admin\AppData\Local\Temp\2026-09-12_2f4bfcf75b794f3422f19e257f1bda6b_akira_cobalt-strike_coinminer_elex_vidar.exe! !
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1440
- - C:\Users\Admin\AppData\Local\Temp\2026-09-12_2F4BFCF75B794F3422F19E257F1BDA6B_AKIRA_COBALT-STRIKE_COINMINER_ELEX_VIDAR.EXE
    3⤵
    - Executes dropped EXE
    PID:4932
- - C:\WINDOWS\MSWDM.EXE
    -e!C:\Windows\dev3FDE.tmp!C:\Users\Admin\AppData\Local\Temp\2026-09-12_2F4BFCF75B794F3422F19E257F1BDA6B_AKIRA_COBALT-STRIKE_COINMINER_ELEX_VIDAR.EXE!
    3⤵
    - Executes dropped EXE
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    PID:2996

C:\Windows\MSWDM.EXE
MSWDM.EXE
1⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:2912

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_2F4BFCF75B794F3422F19E257F1BDA6B_AKIRA_COBALT-STRIKE_COINMINER_ELEX_VIDAR.EXE

Path C:\Users\Admin\AppData\Local\Temp\2026-09-12_2F4BFCF75B794F3422F19E257F1BDA6B_AKIRA_COBALT-STRIKE_COINMINER_ELEX_VIDAR.EXE
Size 4.3MB
SHA256 00a2f3dd66a7836dda68af9dbbb22fc6feecc20d54fa9462926607a0e181ac20
MD5 3f76c15d77d1b44352892e94bb9caa26
SHA1 9f14b7013493a8e84c91320ba204c92f14c20684
SHA512 8e49c4e68b5c75afb6c284481b054aa4f2ecf0441186aca7e957acffbba0f37f2356632c0436ecddab0d9d8c75b0ef3b73e084bca7f2f0b14299ccfff8c5c7b4
SSDEEP 49152:5JUhm9aWIPv94AEsKU8ggw1g+1CART5eBiyKS3EI3wybn20DCYIHvc8ixuZm9+fd:5yhPW2KUgTH2M2m9UMpu1QfLczqk
TLSH
T1EB26E812554A2F6CD55FD4B4CB4B8816AA233C8A0F346BEF4685BD713A76AF42F38107
MD5 SHA1 SHA512 SSDEEP TLSH

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MSWDM.EXE

Path C:\Windows\MSWDM.EXE
Size 4.3MB
SHA256 ebd8c946cd8965c896e7f7a43867bab39dc8cf3604122ff7d6b446daa989b251
MD5 6d81f887bab4c47136f224d71af6f0d6
SHA1 09590c918e3749a474be20a9c1b5adf8f34ae852
SHA512 4a82a3f64696314c3e7620284109820280146a0c873457664ba70976e351d41362449104e89304c61d4d1c34efe68d58944bb8dd308a264bfe7648938d3ca6d7
SSDEEP 49152:5JUhm9aWIPv94AEsKU8ggw1g+1CART5eBiyKS3EI3wybn20DCYIHvc8ixuZm9+fW:5yhPW2KUgTH2M2m9UMpu1QfLczqL
TLSH
T17326E812554A2F6CD55FD4B4CB4B8816AA233C8A0F346BEF4685BD713A76AF42F38107
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

dev3FDE.tmp

Path C:\Windows\dev3FDE.tmp
Size 20KB
SHA256 908c6c1cd5e658ca3788068a1c420b65b186c51e7bca13a903a19c032df3b893
MD5 6cab35823b70220f62839e5eef4aa2fa
SHA1 668d81ab2ae6434ec80b3119d0e6701f6174d22b
SHA512 2c677785b8614533738055055e9f18d7ad186ab4d94447c593d46f30eebe0a31cf106be23e6a886df5965d1c53656a9af4c77284a6bfabe7822b3633d6330205
SSDEEP 384:DoCEJ266kHT0sggHMVtyQKgdOB3mirILc9W5E/eMGp8:DonJt6kHw8WtyQKg7IILn0
TLSH
T14E924C476F545033FA874F3096F5D1678FB876A23EC1B4ABE560454A2CC67E09B2821E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1440-21-0x0000000000400000-0x0000000000414000-memory.dmp

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memory/2912-24-0x0000000000400000-0x0000000000414000-memory.dmp

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memory/2996-18-0x0000000000400000-0x0000000000414000-memory.dmp

Download

memory/4388-0-0x0000000000400000-0x0000000000414000-memory.dmp

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memory/4388-10-0x0000000000400000-0x0000000000414000-memory.dmp

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memory/4592-26-0x0000000002110000-0x0000000002116000-memory.dmp

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memory/4592-25-0x0000000000400000-0x0000000000414000-memory.dmp

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