andromeda | a3553a5a9078563d72bb5363120b2047d020e17e31c4906a9ae76bcdc4b7992a

Analysis

max time kernel
147s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
10/08/2024, 01:23

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General

Target
844b82b29d53a71dcd2c95188a3c5403_JaffaCakes118.exe
Size 13KB
Sample240810-brx84stanf
SHA256 a3553a5a9078563d72bb5363120b2047d020e17e31c4906a9ae76bcdc4b7992a
MD5 844b82b29d53a71dcd2c95188a3c5403
SHA1 2932e849be5c1a2c10e8f6001d4f938ee65adb36
SHA512 956f8cc0132b1b8a2e2106ef6f680eee2dee9e678e1a008338c1aaab2680c0e48601d39bd4367b9fbfc643249f10883a88e3c3b93a87ce6e71606aec4107efd9
SSDEEP 192:kyEh4bJlnNdEIv1J/b9i7s4pwrARgZd1SrMksXgUdBOvAUPuDtwFWx3f/:J04Vfdj9JT9uxRgZGz0glhPuDWWx3f
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

andromeda backdoor botnet discovery persistence

Malware Config

Signatures

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. 4 IoCs

resource	yara_rule
behavioral2/memory/1120-4-0x0000000000910000-0x0000000000915000-memory.dmp	family_andromeda
behavioral2/memory/1120-6-0x0000000000910000-0x0000000000915000-memory.dmp	family_andromeda
behavioral2/memory/1120-10-0x0000000000910000-0x0000000000915000-memory.dmp	family_andromeda
behavioral2/memory/1120-13-0x0000000000910000-0x0000000000915000-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\52277 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\msuvsex.bat"	svchost.exe

Deletes itself 1 IoCs

pid	Process
1120	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	844b82b29d53a71dcd2c95188a3c5403_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	844b82b29d53a71dcd2c95188a3c5403_JaffaCakes118.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\PROGRA~3\LOCALS~1\Temp\msuvsex.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	844b82b29d53a71dcd2c95188a3c5403_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3220	844b82b29d53a71dcd2c95188a3c5403_JaffaCakes118.exe
3220	844b82b29d53a71dcd2c95188a3c5403_JaffaCakes118.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3220	844b82b29d53a71dcd2c95188a3c5403_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3220 wrote to memory of 1120	3220	844b82b29d53a71dcd2c95188a3c5403_JaffaCakes118.exe	84
PID 3220 wrote to memory of 1120	3220	844b82b29d53a71dcd2c95188a3c5403_JaffaCakes118.exe	84
PID 3220 wrote to memory of 1120	3220	844b82b29d53a71dcd2c95188a3c5403_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\844b82b29d53a71dcd2c95188a3c5403_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\844b82b29d53a71dcd2c95188a3c5403_JaffaCakes118.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:3220
- 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:1120

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/1120-3-0x0000000000110000-0x000000000011D000-memory.dmp

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memory/1120-4-0x0000000000910000-0x0000000000915000-memory.dmp

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memory/1120-6-0x0000000000910000-0x0000000000915000-memory.dmp

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memory/1120-10-0x0000000000910000-0x0000000000915000-memory.dmp

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memory/1120-13-0x0000000000910000-0x0000000000915000-memory.dmp

Download

memory/3220-0-0x0000000000400000-0x000000000040D000-memory.dmp

Download

memory/3220-1-0x00000000004E0000-0x00000000004E2000-memory.dmp

Download

memory/3220-2-0x0000000000400000-0x000000000040D000-memory.dmp

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