andromeda | 5ff2f3ebb11a965f2dc529bc082a01ca6a835d855eca1406a9fbd39df365f5e6

General

Target

JaffaCakes118_5f485e2086e8fe745d30c6110b08609b.exe
Size

55KB
MD5

5f485e2086e8fe745d30c6110b08609b
SHA1

d62d98b04dfed6b141f56f5e88829acddc6515b2
SHA256

5ff2f3ebb11a965f2dc529bc082a01ca6a835d855eca1406a9fbd39df365f5e6
SHA512

d3ab8d68c4350ee8f1c8f7ea6b86ad84e883f91407e8a7f645120c2deff79bcf66f96edb76ff2c031d085ceeb373cb0827386b53ae231a61ab988adc8b1098cf
SSDEEP

768:bwoV3FrPxkhKQiUrityh7eHAGnI/EDmAne/m7DR0mnNMzTs60ODQSd+g35uc6E:hPxBn0aDDZ/ITs/Oka+UuhE

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. 3 IoCs

resource	yara_rule
behavioral2/memory/5080-8-0x0000000000DF0000-0x0000000000DF5000-memory.dmp	family_andromeda
behavioral2/memory/5080-12-0x0000000000DF0000-0x0000000000DF5000-memory.dmp	family_andromeda
behavioral2/memory/5080-13-0x0000000000DF0000-0x0000000000DF5000-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\19445 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\mskvwevy.scr"	svchost.exe

Deletes itself 1 IoCs

pid	Process
5080	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 value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	JaffaCakes118_5f485e2086e8fe745d30c6110b08609b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\disk\enum	JaffaCakes118_5f485e2086e8fe745d30c6110b08609b.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3816 set thread context of 3264	3816	JaffaCakes118_5f485e2086e8fe745d30c6110b08609b.exe	87

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\PROGRA~3\LOCALS~1\Temp\mskvwevy.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_5f485e2086e8fe745d30c6110b08609b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_5f485e2086e8fe745d30c6110b08609b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3264	JaffaCakes118_5f485e2086e8fe745d30c6110b08609b.exe
3264	JaffaCakes118_5f485e2086e8fe745d30c6110b08609b.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
3264	JaffaCakes118_5f485e2086e8fe745d30c6110b08609b.exe
3264	JaffaCakes118_5f485e2086e8fe745d30c6110b08609b.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3816 wrote to memory of 3264	3816	JaffaCakes118_5f485e2086e8fe745d30c6110b08609b.exe	87
PID 3816 wrote to memory of 3264	3816	JaffaCakes118_5f485e2086e8fe745d30c6110b08609b.exe	87
PID 3816 wrote to memory of 3264	3816	JaffaCakes118_5f485e2086e8fe745d30c6110b08609b.exe	87
PID 3816 wrote to memory of 3264	3816	JaffaCakes118_5f485e2086e8fe745d30c6110b08609b.exe	87
PID 3816 wrote to memory of 3264	3816	JaffaCakes118_5f485e2086e8fe745d30c6110b08609b.exe	87
PID 3816 wrote to memory of 3264	3816	JaffaCakes118_5f485e2086e8fe745d30c6110b08609b.exe	87
PID 3264 wrote to memory of 5080	3264	JaffaCakes118_5f485e2086e8fe745d30c6110b08609b.exe	88
PID 3264 wrote to memory of 5080	3264	JaffaCakes118_5f485e2086e8fe745d30c6110b08609b.exe	88
PID 3264 wrote to memory of 5080	3264	JaffaCakes118_5f485e2086e8fe745d30c6110b08609b.exe	88

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5f485e2086e8fe745d30c6110b08609b.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5f485e2086e8fe745d30c6110b08609b.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3816
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5f485e2086e8fe745d30c6110b08609b.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5f485e2086e8fe745d30c6110b08609b.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:3264
- - 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:5080

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/3264-0-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3264-1-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/5080-4-0x00000000002F0000-0x00000000002FE000-memory.dmp

Filesize
56KB

Download
memory/5080-6-0x00000000002F0000-0x00000000002FE000-memory.dmp

Filesize
56KB

Download
memory/5080-8-0x0000000000DF0000-0x0000000000DF5000-memory.dmp

Filesize
20KB

Download
memory/5080-12-0x0000000000DF0000-0x0000000000DF5000-memory.dmp

Filesize
20KB

Download
memory/5080-13-0x0000000000DF0000-0x0000000000DF5000-memory.dmp

Filesize
20KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads