andromeda | 1b4991c5e024586f21707566927cca47ca2b80acd13ba8ec7a7286fd085607df

General

Target

1b4991c5e024586f21707566927cca47ca2b80acd13ba8ec7a7286fd085607dfN.exe
Size

185KB
MD5

7a112192ebf86326d50c51f631bc08c0
SHA1

b703cfb0af293241f8df417489bd105bb4520288
SHA256

1b4991c5e024586f21707566927cca47ca2b80acd13ba8ec7a7286fd085607df
SHA512

6aaf6bb8e7855288ff96f4984d17a3f306294a2bb342c62382e42dd665b6ad748c22de0d171dbba267a8231bf6977929bdfe58b4ac2739e327e4243486421e8f
SSDEEP

1536:/CdmNSU5kV0p1kuodRDZRUWWs6or7f1VYGLaMupM:/CdAkSHkuodRDLUdzo73eM

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. 5 IoCs

resource	yara_rule
behavioral1/memory/2632-10-0x0000000000400000-0x0000000000409000-memory.dmp	family_andromeda
behavioral1/memory/2632-7-0x0000000000400000-0x0000000000409000-memory.dmp	family_andromeda
behavioral1/memory/2632-5-0x0000000000400000-0x0000000000409000-memory.dmp	family_andromeda
behavioral1/memory/2720-16-0x0000000000020000-0x0000000000025000-memory.dmp	family_andromeda
behavioral1/memory/2720-20-0x0000000000020000-0x0000000000025000-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\51331 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\ccraruphi.exe"	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2632	1b4991c5e024586f21707566927cca47ca2b80acd13ba8ec7a7286fd085607dfN.exe

Loads dropped DLL 1 IoCs

pid	Process
2244	1b4991c5e024586f21707566927cca47ca2b80acd13ba8ec7a7286fd085607dfN.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2244 set thread context of 2632	2244	1b4991c5e024586f21707566927cca47ca2b80acd13ba8ec7a7286fd085607dfN.exe	30

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\PROGRA~3\LOCALS~1\Temp\ccraruphi.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	1b4991c5e024586f21707566927cca47ca2b80acd13ba8ec7a7286fd085607dfN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1b4991c5e024586f21707566927cca47ca2b80acd13ba8ec7a7286fd085607dfN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2244	1b4991c5e024586f21707566927cca47ca2b80acd13ba8ec7a7286fd085607dfN.exe
2244	1b4991c5e024586f21707566927cca47ca2b80acd13ba8ec7a7286fd085607dfN.exe
2244	1b4991c5e024586f21707566927cca47ca2b80acd13ba8ec7a7286fd085607dfN.exe
2244	1b4991c5e024586f21707566927cca47ca2b80acd13ba8ec7a7286fd085607dfN.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
2632	1b4991c5e024586f21707566927cca47ca2b80acd13ba8ec7a7286fd085607dfN.exe
2632	1b4991c5e024586f21707566927cca47ca2b80acd13ba8ec7a7286fd085607dfN.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 2632	2244	1b4991c5e024586f21707566927cca47ca2b80acd13ba8ec7a7286fd085607dfN.exe	30
PID 2244 wrote to memory of 2632	2244	1b4991c5e024586f21707566927cca47ca2b80acd13ba8ec7a7286fd085607dfN.exe	30
PID 2244 wrote to memory of 2632	2244	1b4991c5e024586f21707566927cca47ca2b80acd13ba8ec7a7286fd085607dfN.exe	30
PID 2244 wrote to memory of 2632	2244	1b4991c5e024586f21707566927cca47ca2b80acd13ba8ec7a7286fd085607dfN.exe	30
PID 2244 wrote to memory of 2632	2244	1b4991c5e024586f21707566927cca47ca2b80acd13ba8ec7a7286fd085607dfN.exe	30
PID 2244 wrote to memory of 2632	2244	1b4991c5e024586f21707566927cca47ca2b80acd13ba8ec7a7286fd085607dfN.exe	30
PID 2244 wrote to memory of 2632	2244	1b4991c5e024586f21707566927cca47ca2b80acd13ba8ec7a7286fd085607dfN.exe	30
PID 2632 wrote to memory of 2720	2632	1b4991c5e024586f21707566927cca47ca2b80acd13ba8ec7a7286fd085607dfN.exe	31
PID 2632 wrote to memory of 2720	2632	1b4991c5e024586f21707566927cca47ca2b80acd13ba8ec7a7286fd085607dfN.exe	31
PID 2632 wrote to memory of 2720	2632	1b4991c5e024586f21707566927cca47ca2b80acd13ba8ec7a7286fd085607dfN.exe	31
PID 2632 wrote to memory of 2720	2632	1b4991c5e024586f21707566927cca47ca2b80acd13ba8ec7a7286fd085607dfN.exe	31

C:\Users\Admin\AppData\Local\Temp\1b4991c5e024586f21707566927cca47ca2b80acd13ba8ec7a7286fd085607dfN.exe
"C:\Users\Admin\AppData\Local\Temp\1b4991c5e024586f21707566927cca47ca2b80acd13ba8ec7a7286fd085607dfN.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2244
- C:\Users\Admin\AppData\Local\Temp\1b4991c5e024586f21707566927cca47ca2b80acd13ba8ec7a7286fd085607dfN.exe
  "C:\Users\Admin\AppData\Local\Temp\1b4991c5e024586f21707566927cca47ca2b80acd13ba8ec7a7286fd085607dfN.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2632
- - C:\Windows\syswow64\svchost.exe
    C:\Windows\syswow64\svchost.exe
    3⤵
    - Adds policy Run key to start application
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    PID:2720

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\1b4991c5e024586f21707566927cca47ca2b80acd13ba8ec7a7286fd085607dfN.exe

Filesize
185KB

MD5
7a112192ebf86326d50c51f631bc08c0

SHA1
b703cfb0af293241f8df417489bd105bb4520288

SHA256
1b4991c5e024586f21707566927cca47ca2b80acd13ba8ec7a7286fd085607df

SHA512
6aaf6bb8e7855288ff96f4984d17a3f306294a2bb342c62382e42dd665b6ad748c22de0d171dbba267a8231bf6977929bdfe58b4ac2739e327e4243486421e8f

Download Submit
memory/2632-10-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2632-7-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2632-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2632-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2632-1-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2720-13-0x00000000001E0000-0x00000000001E8000-memory.dmp

Filesize
32KB

Download
memory/2720-14-0x00000000001E0000-0x00000000001E8000-memory.dmp

Filesize
32KB

Download
memory/2720-16-0x0000000000020000-0x0000000000025000-memory.dmp

Filesize
20KB

Download
memory/2720-20-0x0000000000020000-0x0000000000025000-memory.dmp

Filesize
20KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads