andromeda | b4a44ec9a134f62ce392fe2216ad346369f91b409305845457f5c5e5daed0272

General

Target

JaffaCakes118_41a2c399516f2470959a382e563822cc.exe
Size

48KB
MD5

41a2c399516f2470959a382e563822cc
SHA1

9d56f94b62806abdcf659a094d2c174131c930a1
SHA256

b4a44ec9a134f62ce392fe2216ad346369f91b409305845457f5c5e5daed0272
SHA512

3589903696fbd246c962f23e54eac00ffeaf2e9ade363c155f32cf85cb3a4805196d5b73ebb77a8b5a77ae1fc587e21614bfd662d0a0b7c8bc84f9e875b8be97
SSDEEP

768:ETVv16xRJHk8qPKzvPf6FLWQAcLiO9gmu:2VYRJEHRdQmir

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
behavioral1/memory/2792-13-0x0000000000020000-0x0000000000025000-memory.dmp	family_andromeda
behavioral1/memory/2792-17-0x0000000000020000-0x0000000000025000-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\23906 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\mskdzrai.scr"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2792	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	JaffaCakes118_41a2c399516f2470959a382e563822cc.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	JaffaCakes118_41a2c399516f2470959a382e563822cc.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2696 set thread context of 2844	2696	JaffaCakes118_41a2c399516f2470959a382e563822cc.exe	30

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\PROGRA~3\LOCALS~1\Temp\mskdzrai.scr	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	JaffaCakes118_41a2c399516f2470959a382e563822cc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_41a2c399516f2470959a382e563822cc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2844	JaffaCakes118_41a2c399516f2470959a382e563822cc.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
2844	JaffaCakes118_41a2c399516f2470959a382e563822cc.exe
2844	JaffaCakes118_41a2c399516f2470959a382e563822cc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2696	JaffaCakes118_41a2c399516f2470959a382e563822cc.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2696 wrote to memory of 2844	2696	JaffaCakes118_41a2c399516f2470959a382e563822cc.exe	30
PID 2696 wrote to memory of 2844	2696	JaffaCakes118_41a2c399516f2470959a382e563822cc.exe	30
PID 2696 wrote to memory of 2844	2696	JaffaCakes118_41a2c399516f2470959a382e563822cc.exe	30
PID 2696 wrote to memory of 2844	2696	JaffaCakes118_41a2c399516f2470959a382e563822cc.exe	30
PID 2696 wrote to memory of 2844	2696	JaffaCakes118_41a2c399516f2470959a382e563822cc.exe	30
PID 2696 wrote to memory of 2844	2696	JaffaCakes118_41a2c399516f2470959a382e563822cc.exe	30
PID 2844 wrote to memory of 2792	2844	JaffaCakes118_41a2c399516f2470959a382e563822cc.exe	31
PID 2844 wrote to memory of 2792	2844	JaffaCakes118_41a2c399516f2470959a382e563822cc.exe	31
PID 2844 wrote to memory of 2792	2844	JaffaCakes118_41a2c399516f2470959a382e563822cc.exe	31
PID 2844 wrote to memory of 2792	2844	JaffaCakes118_41a2c399516f2470959a382e563822cc.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_41a2c399516f2470959a382e563822cc.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_41a2c399516f2470959a382e563822cc.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2696
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_41a2c399516f2470959a382e563822cc.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_41a2c399516f2470959a382e563822cc.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:2844
- - 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:2792

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2792-10-0x0000000000AC0000-0x0000000000AC8000-memory.dmp

Filesize
32KB

Download
memory/2792-11-0x0000000000AC0000-0x0000000000AC8000-memory.dmp

Filesize
32KB

Download
memory/2792-13-0x0000000000020000-0x0000000000025000-memory.dmp

Filesize
20KB

Download
memory/2792-17-0x0000000000020000-0x0000000000025000-memory.dmp

Filesize
20KB

Download
memory/2844-3-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2844-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2844-7-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2844-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads