andromeda | 321637379782a5fcef8b64ed68d6717c84011625dbd80a71c3d05268c9506b85

General

Target

JaffaCakes118_51ff08444c74ba64262c405570b9133b.exe
Size

88KB
MD5

51ff08444c74ba64262c405570b9133b
SHA1

d61387d7f12ff192ad6400114efd85c6b4325965
SHA256

321637379782a5fcef8b64ed68d6717c84011625dbd80a71c3d05268c9506b85
SHA512

cb922732889ba4431308eaa5f36289b34fe4fa6418f668cf56046c09f18ba866ebc673e6bf30a2319adcfe55465014c3fe2ea22826397667cdbc30618561aa90
SSDEEP

1536:hjRJE6bcd9mh48+DL/A1pFCNUIX0kM4xAmam7QGPBndwF8G6k:hFC6bcd9a489oNUIXbM4LbtBKF8G6

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/4964-17-0x00000000009C0000-0x00000000009C5000-memory.dmp	family_andromeda
behavioral2/memory/4964-21-0x00000000009C0000-0x00000000009C5000-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\3274 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\msneegag.scr"	svchost.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

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	vbc.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	vbc.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3528 set thread context of 2648	3528	JaffaCakes118_51ff08444c74ba64262c405570b9133b.exe	97

Drops file in Program Files directory 1 IoCs

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

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.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	JaffaCakes118_51ff08444c74ba64262c405570b9133b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2648	vbc.exe
2648	vbc.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
2648	vbc.exe
2648	vbc.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3528 wrote to memory of 2648	3528	JaffaCakes118_51ff08444c74ba64262c405570b9133b.exe	97
PID 3528 wrote to memory of 2648	3528	JaffaCakes118_51ff08444c74ba64262c405570b9133b.exe	97
PID 3528 wrote to memory of 2648	3528	JaffaCakes118_51ff08444c74ba64262c405570b9133b.exe	97
PID 3528 wrote to memory of 2648	3528	JaffaCakes118_51ff08444c74ba64262c405570b9133b.exe	97
PID 3528 wrote to memory of 2648	3528	JaffaCakes118_51ff08444c74ba64262c405570b9133b.exe	97
PID 3528 wrote to memory of 2648	3528	JaffaCakes118_51ff08444c74ba64262c405570b9133b.exe	97
PID 2648 wrote to memory of 4964	2648	vbc.exe	98
PID 2648 wrote to memory of 4964	2648	vbc.exe	98
PID 2648 wrote to memory of 4964	2648	vbc.exe	98

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_51ff08444c74ba64262c405570b9133b.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_51ff08444c74ba64262c405570b9133b.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3528
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.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:2648
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\syswow64\svchost.exe
    3⤵
    - Adds policy Run key to start application
    - Drops file in Program Files directory
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    PID:4964

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

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/2648-8-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2648-11-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/3528-6-0x0000000074EB0000-0x0000000075461000-memory.dmp

Filesize
5.7MB

Download
memory/3528-3-0x0000000074EB0000-0x0000000075461000-memory.dmp

Filesize
5.7MB

Download
memory/3528-5-0x0000000074EB0000-0x0000000075461000-memory.dmp

Filesize
5.7MB

Download
memory/3528-4-0x0000000074EB2000-0x0000000074EB3000-memory.dmp

Filesize
4KB

Download
memory/3528-0-0x0000000074EB2000-0x0000000074EB3000-memory.dmp

Filesize
4KB

Download
memory/3528-7-0x0000000074EB0000-0x0000000075461000-memory.dmp

Filesize
5.7MB

Download
memory/3528-2-0x0000000074EB0000-0x0000000075461000-memory.dmp

Filesize
5.7MB

Download
memory/3528-10-0x0000000074EB0000-0x0000000075461000-memory.dmp

Filesize
5.7MB

Download
memory/3528-1-0x0000000074EB0000-0x0000000075461000-memory.dmp

Filesize
5.7MB

Download
memory/4964-12-0x0000000000050000-0x000000000005E000-memory.dmp

Filesize
56KB

Download
memory/4964-14-0x0000000000050000-0x000000000005E000-memory.dmp

Filesize
56KB

Download
memory/4964-17-0x00000000009C0000-0x00000000009C5000-memory.dmp

Filesize
20KB

Download
memory/4964-21-0x00000000009C0000-0x00000000009C5000-memory.dmp

Filesize
20KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads