andromeda | 4e185afb3f77b2fc00b0a4c6d8c23ef1b8f1ce52d6b1d366a64bec98b058a5a9

Analysis

max time kernel
112s
max time network
117s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07/11/2024, 07:11

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General

Target
4e185afb3f77b2fc00b0a4c6d8c23ef1b8f1ce52d6b1d366a64bec98b058a5a9N.exe
Size 61KB
Sample241107-hzzkgazreq
SHA256 4e185afb3f77b2fc00b0a4c6d8c23ef1b8f1ce52d6b1d366a64bec98b058a5a9
MD5 8df4ef006d5fcabeebdb27326f1b7ff0
SHA1 a0c5b507d02714dc968c26a106a4baa2683f07f7
SHA512 a02993fb70e06a9ed094d1dd6dd15a2c6eac99594b67b8163501eefc630649416c4715c9e72d2f018efb70621eff639f9f4e3093f6b23eeaff90d400a16b433b
SSDEEP 1536:QB27hZMls+WZ7wmzqltdQJWko1ccMGzBN/IJE9Conj:QWHMBWZ7fGtqwtLV+E9/
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

andromeda backdoor botnet discovery persistence

Malware Config

Signatures

Andromeda family
andromeda
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
behavioral2/memory/724-10-0x00000000007D0000-0x00000000007D5000-memory.dmp	family_andromeda
behavioral2/memory/724-14-0x00000000007D0000-0x00000000007D5000-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\9035 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\msnojui.bat"	svchost.exe

Deletes itself 1 IoCs

pid	Process
724	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	4e185afb3f77b2fc00b0a4c6d8c23ef1b8f1ce52d6b1d366a64bec98b058a5a9N.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	4e185afb3f77b2fc00b0a4c6d8c23ef1b8f1ce52d6b1d366a64bec98b058a5a9N.exe

Drops file in Program Files directory 1 IoCs

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

System Location Discovery: System Language Discovery 1 TTPs 2 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	4e185afb3f77b2fc00b0a4c6d8c23ef1b8f1ce52d6b1d366a64bec98b058a5a9N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2652	4e185afb3f77b2fc00b0a4c6d8c23ef1b8f1ce52d6b1d366a64bec98b058a5a9N.exe
2652	4e185afb3f77b2fc00b0a4c6d8c23ef1b8f1ce52d6b1d366a64bec98b058a5a9N.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
2652	4e185afb3f77b2fc00b0a4c6d8c23ef1b8f1ce52d6b1d366a64bec98b058a5a9N.exe
2652	4e185afb3f77b2fc00b0a4c6d8c23ef1b8f1ce52d6b1d366a64bec98b058a5a9N.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2652 wrote to memory of 724	2652	4e185afb3f77b2fc00b0a4c6d8c23ef1b8f1ce52d6b1d366a64bec98b058a5a9N.exe	86
PID 2652 wrote to memory of 724	2652	4e185afb3f77b2fc00b0a4c6d8c23ef1b8f1ce52d6b1d366a64bec98b058a5a9N.exe	86
PID 2652 wrote to memory of 724	2652	4e185afb3f77b2fc00b0a4c6d8c23ef1b8f1ce52d6b1d366a64bec98b058a5a9N.exe	86

C:\Users\Admin\AppData\Local\Temp\4e185afb3f77b2fc00b0a4c6d8c23ef1b8f1ce52d6b1d366a64bec98b058a5a9N.exe
"C:\Users\Admin\AppData\Local\Temp\4e185afb3f77b2fc00b0a4c6d8c23ef1b8f1ce52d6b1d366a64bec98b058a5a9N.exe"
1⤵
- Maps connected drives based on registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2652
- C:\Windows\SysWOW64\svchost.exe
  C:\Windows\syswow64\svchost.exe
  2⤵
  - Adds policy Run key to start application
  - Deletes itself
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  PID:724

Network

MITRE ATT&CK Enterprise v15

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

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/724-4-0x0000000000310000-0x000000000031E000-memory.dmp

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memory/724-8-0x0000000000310000-0x000000000031E000-memory.dmp

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memory/724-10-0x00000000007D0000-0x00000000007D5000-memory.dmp

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memory/724-14-0x00000000007D0000-0x00000000007D5000-memory.dmp

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memory/2652-0-0x0000000000404000-0x0000000000409000-memory.dmp

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memory/2652-1-0x0000000000400000-0x0000000000413000-memory.dmp

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memory/2652-2-0x0000000000400000-0x0000000000413000-memory.dmp

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memory/2652-3-0x0000000000400000-0x0000000000413000-memory.dmp

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memory/2652-7-0x0000000000404000-0x0000000000409000-memory.dmp

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