andromeda | c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750

General

Target

c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe
Size

167KB
MD5

5b800ea93673592d27b4effcea120f00
SHA1

6255f2994d15cf9cff1d636df90c698cf2a19119
SHA256

c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750
SHA512

f35de55c1e099d2180e72f0fb76fd46d4267391d98293fe119b8c8a63813e7e33e1a6e1d95e4a608d79401e5981ea1d612bf7e9ef4a10483ec996a7279a669b0
SSDEEP

3072:FW+1oS4l5OeuQdrmwvL8EqlP0VCy1qLyGTC25prTPQX0UP:Ffwl5IQdyfEOP0VCy1qLyGTC25prTPQ/

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

Processes:

resource	yara_rule
behavioral2/memory/1160-0-0x0000000000400000-0x0000000000409000-memory.dmp	family_andromeda
behavioral2/memory/1160-2-0x0000000000400000-0x0000000000409000-memory.dmp	family_andromeda
behavioral2/memory/1888-10-0x00000000013B0000-0x00000000013B5000-memory.dmp	family_andromeda
behavioral2/memory/1888-12-0x00000000013B0000-0x00000000013B5000-memory.dmp	family_andromeda
behavioral2/memory/1888-16-0x00000000013B0000-0x00000000013B5000-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

Processes:

msiexec.exe

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\62790 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\cctasqrtw.exe"	msiexec.exe

Blocklisted process makes network request 25 IoCs

Processes:

msiexec.exe

flow	pid	Process
18	1888	msiexec.exe
19	1888	msiexec.exe
20	1888	msiexec.exe
21	1888	msiexec.exe
22	1888	msiexec.exe
25	1888	msiexec.exe
26	1888	msiexec.exe
27	1888	msiexec.exe
28	1888	msiexec.exe
30	1888	msiexec.exe
31	1888	msiexec.exe
32	1888	msiexec.exe
33	1888	msiexec.exe
58	1888	msiexec.exe
59	1888	msiexec.exe
60	1888	msiexec.exe
61	1888	msiexec.exe
62	1888	msiexec.exe
64	1888	msiexec.exe
65	1888	msiexec.exe
66	1888	msiexec.exe
67	1888	msiexec.exe
68	1888	msiexec.exe
69	1888	msiexec.exe
70	1888	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe

description	pid	Process	procid_target
PID 4276 set thread context of 1160	4276	c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe	83

Drops file in Program Files directory 1 IoCs

Processes:

msiexec.exe

description	ioc	Process
File created	C:\PROGRA~3\LOCALS~1\Temp\cctasqrtw.exe	msiexec.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

Processes:

c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exec2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exemsiexec.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msiexec.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe

pid	Process
1160	c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe
1160	c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exec2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe

description	pid	Process	procid_target
PID 4276 wrote to memory of 1160	4276	c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe	83
PID 4276 wrote to memory of 1160	4276	c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe	83
PID 4276 wrote to memory of 1160	4276	c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe	83
PID 4276 wrote to memory of 1160	4276	c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe	83
PID 4276 wrote to memory of 1160	4276	c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe	83
PID 4276 wrote to memory of 1160	4276	c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe	83
PID 1160 wrote to memory of 1888	1160	c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe	84
PID 1160 wrote to memory of 1888	1160	c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe	84
PID 1160 wrote to memory of 1888	1160	c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe	84

C:\Users\Admin\AppData\Local\Temp\c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe
"C:\Users\Admin\AppData\Local\Temp\c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4276
- C:\Users\Admin\AppData\Local\Temp\c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe
  "C:\Users\Admin\AppData\Local\Temp\c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:1160
- - C:\Windows\SysWOW64\msiexec.exe
    C:\Windows\syswow64\msiexec.exe
    3⤵
    - Adds policy Run key to start application
    - Blocklisted process makes network request
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    PID:1888

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

memory/1160-0-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1160-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1888-5-0x0000000000690000-0x00000000006A2000-memory.dmp

Filesize
72KB

Download
memory/1888-7-0x0000000000690000-0x00000000006A2000-memory.dmp

Filesize
72KB

Download
memory/1888-9-0x0000000000690000-0x00000000006A2000-memory.dmp

Filesize
72KB

Download
memory/1888-10-0x00000000013B0000-0x00000000013B5000-memory.dmp

Filesize
20KB

Download
memory/1888-12-0x00000000013B0000-0x00000000013B5000-memory.dmp

Filesize
20KB

Download
memory/1888-16-0x00000000013B0000-0x00000000013B5000-memory.dmp

Filesize
20KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads