andromeda | c23c7368a8d29bdeca1f4c69f3b6135ab2af0928e7d4514539200caac52fa1dc

General

Target
2026-09-25_52ebc55ffe760f491f3ec02abf69fd2b_elex_wannacry.exe
Size 24KB
Sample260926-cwpcfasy2n
SHA256 c23c7368a8d29bdeca1f4c69f3b6135ab2af0928e7d4514539200caac52fa1dc
MD5 52ebc55ffe760f491f3ec02abf69fd2b
SHA1 5aae3d48b6cd8d834cf76775bd30916218bb3b10
SHA512 43ed98d2ab3eca58d0cb082233be2acbc78d95c690ffc5d096b5e3b9cab754097f83af4f3752587a98180ec9a3bbf157dac23ea23cfb9681a6266749a8897c9b
SSDEEP 384:Eoiky0og1Ia8plbGYycMg19DS/XD/iet7SZhO83IZtCaBeJccHNqC79kb:Liv0oaAjbGYGC9DS/OW7+s83+tTsJccS
TLSH
T117B2BF5F2F912433F4A7873909226A7BB1795F3A8967EF07F528910518E01830AB7293
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

backdoor botnet defense_evasion discovery andromeda persistence privilege_escalation

Malware Config

Signatures

Family: Andromeda, Gamarue
Andromeda, also known as Gamarue, is a modular botnet malware primarily used for distributing other types of malware and it's written in C++.
botnet backdoor andromeda

Detects Andromeda payload. 2 IoCs

resource	yara_rule
behavioral1/memory/1516-8-0x0000000000BD0000-0x0000000000BD5000-memory.dmp	family_andromeda
behavioral1/memory/1516-12-0x0000000000BD0000-0x0000000000BD5000-memory.dmp	family_andromeda

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\48500 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\mslwja.exe"	svchost.exe

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
1516	svchost.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk 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\services\disk\enum	2026-09-25_52ebc55ffe760f491f3ec02abf69fd2b_elex_wannacry.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	2026-09-25_52ebc55ffe760f491f3ec02abf69fd2b_elex_wannacry.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4012 set thread context of 4016	4012	2026-09-25_52ebc55ffe760f491f3ec02abf69fd2b_elex_wannacry.exe	87

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\PROGRA~3\LOCALS~1\Temp\mslwja.exe	svchost.exe

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-09-25_52ebc55ffe760f491f3ec02abf69fd2b_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-09-25_52ebc55ffe760f491f3ec02abf69fd2b_elex_wannacry.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4016	2026-09-25_52ebc55ffe760f491f3ec02abf69fd2b_elex_wannacry.exe
4016	2026-09-25_52ebc55ffe760f491f3ec02abf69fd2b_elex_wannacry.exe

Suspicious behavior: MapViewOfSection 1 TTPs 2 IoCs

defense_evasion privilege_escalation

Process Injection

T1055

pid	Process
4016	2026-09-25_52ebc55ffe760f491f3ec02abf69fd2b_elex_wannacry.exe
4016	2026-09-25_52ebc55ffe760f491f3ec02abf69fd2b_elex_wannacry.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4012 wrote to memory of 4016	4012	2026-09-25_52ebc55ffe760f491f3ec02abf69fd2b_elex_wannacry.exe	87
PID 4012 wrote to memory of 4016	4012	2026-09-25_52ebc55ffe760f491f3ec02abf69fd2b_elex_wannacry.exe	87
PID 4012 wrote to memory of 4016	4012	2026-09-25_52ebc55ffe760f491f3ec02abf69fd2b_elex_wannacry.exe	87
PID 4016 wrote to memory of 1516	4016	2026-09-25_52ebc55ffe760f491f3ec02abf69fd2b_elex_wannacry.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-09-25_52ebc55ffe760f491f3ec02abf69fd2b_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-09-25_52ebc55ffe760f491f3ec02abf69fd2b_elex_wannacry.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4012
- C:\Users\Admin\AppData\Local\Temp\2026-09-25_52ebc55ffe760f491f3ec02abf69fd2b_elex_wannacry.exe
  "C:\Users\Admin\AppData\Local\Temp\2026-09-25_52ebc55ffe760f491f3ec02abf69fd2b_elex_wannacry.exe"
  2⤵
  - Maps connected drives based on registry
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:4016
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\syswow64\svchost.exe
    3⤵
    - Adds policy Run key to start application
    - Deletes itself
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    PID:1516