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. 4 IoCs

resource	yara_rule
behavioral2/memory/1664-0-0x0000000000400000-0x0000000000409000-memory.dmp	family_andromeda
behavioral2/memory/1664-4-0x0000000000400000-0x0000000000409000-memory.dmp	family_andromeda
behavioral2/memory/4736-11-0x0000000000DC0000-0x0000000000DC5000-memory.dmp	family_andromeda
behavioral2/memory/4736-15-0x0000000000DC0000-0x0000000000DC5000-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\23730 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\ccximoai.scr"	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1664	1b4991c5e024586f21707566927cca47ca2b80acd13ba8ec7a7286fd085607dfN.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 728 set thread context of 1664	728	1b4991c5e024586f21707566927cca47ca2b80acd13ba8ec7a7286fd085607dfN.exe	83

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\PROGRA~3\LOCALS~1\Temp\ccximoai.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	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 8 IoCs

pid	Process
728	1b4991c5e024586f21707566927cca47ca2b80acd13ba8ec7a7286fd085607dfN.exe
728	1b4991c5e024586f21707566927cca47ca2b80acd13ba8ec7a7286fd085607dfN.exe
728	1b4991c5e024586f21707566927cca47ca2b80acd13ba8ec7a7286fd085607dfN.exe
728	1b4991c5e024586f21707566927cca47ca2b80acd13ba8ec7a7286fd085607dfN.exe
728	1b4991c5e024586f21707566927cca47ca2b80acd13ba8ec7a7286fd085607dfN.exe
728	1b4991c5e024586f21707566927cca47ca2b80acd13ba8ec7a7286fd085607dfN.exe
728	1b4991c5e024586f21707566927cca47ca2b80acd13ba8ec7a7286fd085607dfN.exe
728	1b4991c5e024586f21707566927cca47ca2b80acd13ba8ec7a7286fd085607dfN.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
1664	1b4991c5e024586f21707566927cca47ca2b80acd13ba8ec7a7286fd085607dfN.exe
1664	1b4991c5e024586f21707566927cca47ca2b80acd13ba8ec7a7286fd085607dfN.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 728 wrote to memory of 1664	728	1b4991c5e024586f21707566927cca47ca2b80acd13ba8ec7a7286fd085607dfN.exe	83
PID 728 wrote to memory of 1664	728	1b4991c5e024586f21707566927cca47ca2b80acd13ba8ec7a7286fd085607dfN.exe	83
PID 728 wrote to memory of 1664	728	1b4991c5e024586f21707566927cca47ca2b80acd13ba8ec7a7286fd085607dfN.exe	83
PID 728 wrote to memory of 1664	728	1b4991c5e024586f21707566927cca47ca2b80acd13ba8ec7a7286fd085607dfN.exe	83
PID 728 wrote to memory of 1664	728	1b4991c5e024586f21707566927cca47ca2b80acd13ba8ec7a7286fd085607dfN.exe	83
PID 728 wrote to memory of 1664	728	1b4991c5e024586f21707566927cca47ca2b80acd13ba8ec7a7286fd085607dfN.exe	83
PID 1664 wrote to memory of 4736	1664	1b4991c5e024586f21707566927cca47ca2b80acd13ba8ec7a7286fd085607dfN.exe	84
PID 1664 wrote to memory of 4736	1664	1b4991c5e024586f21707566927cca47ca2b80acd13ba8ec7a7286fd085607dfN.exe	84
PID 1664 wrote to memory of 4736	1664	1b4991c5e024586f21707566927cca47ca2b80acd13ba8ec7a7286fd085607dfN.exe	84

C:\Users\Admin\AppData\Local\Temp\1b4991c5e024586f21707566927cca47ca2b80acd13ba8ec7a7286fd085607dfN.exe
"C:\Users\Admin\AppData\Local\Temp\1b4991c5e024586f21707566927cca47ca2b80acd13ba8ec7a7286fd085607dfN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:728
- 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:1664
- - 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:4736

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

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

Filesize
185KB

MD5
7a112192ebf86326d50c51f631bc08c0

SHA1
b703cfb0af293241f8df417489bd105bb4520288

SHA256
1b4991c5e024586f21707566927cca47ca2b80acd13ba8ec7a7286fd085607df

SHA512
6aaf6bb8e7855288ff96f4984d17a3f306294a2bb342c62382e42dd665b6ad748c22de0d171dbba267a8231bf6977929bdfe58b4ac2739e327e4243486421e8f

Download Submit
memory/1664-0-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1664-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4736-7-0x00000000000D0000-0x00000000000DE000-memory.dmp

Filesize
56KB

Download
memory/4736-9-0x00000000000D0000-0x00000000000DE000-memory.dmp

Filesize
56KB

Download
memory/4736-11-0x0000000000DC0000-0x0000000000DC5000-memory.dmp

Filesize
20KB

Download
memory/4736-15-0x0000000000DC0000-0x0000000000DC5000-memory.dmp

Filesize
20KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads