andromeda | 16dfb38831b7ad38f1f36e8a15298133e5738bdc969674b720d5c43aaed59840

General

Target

TrustedInstaller.exe
Size

213KB
MD5

2f675e03759ef3ebc2c3f50e74083511
SHA1

2b6d10856d1f0c01d37786094efcd9314c5a9024
SHA256

16dfb38831b7ad38f1f36e8a15298133e5738bdc969674b720d5c43aaed59840
SHA512

34539e491e0c09d7677da7bee1dcfaf123e56c8193e4b88895b6f51f24e2382bd2380a4cff77edeb09ebe288b939a42eda227f7e5f1e62caf567a8bc80cb2c78
SSDEEP

3072:IPfSUM+yWrvnK99pJE4lNGAQ8etVEoDQ2equdLg+hguIlo0lVTyRgFX:E6Upr/KnrcAPuTQdLN6uI1pyc

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
behavioral1/memory/2052-5-0x0000000000400000-0x0000000000409000-memory.dmp	family_andromeda
behavioral1/memory/2052-7-0x0000000000400000-0x0000000000409000-memory.dmp	family_andromeda
behavioral1/memory/2052-11-0x0000000000400000-0x0000000000409000-memory.dmp	family_andromeda
behavioral1/memory/772-16-0x0000000000020000-0x0000000000025000-memory.dmp	family_andromeda
behavioral1/memory/772-20-0x0000000000020000-0x0000000000025000-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

Processes:

svchost.exe

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\9613 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\ccbudjv.bat"	svchost.exe

Executes dropped EXE 1 IoCs

Processes:

TrustedInstaller.exe

pid	Process
2052	TrustedInstaller.exe

Loads dropped DLL 1 IoCs

Processes:

TrustedInstaller.exe

pid	Process
2168	TrustedInstaller.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

TrustedInstaller.exe

description	pid	Process	procid_target
PID 2168 set thread context of 2052	2168	TrustedInstaller.exe	30

Drops file in Program Files directory 1 IoCs

Processes:

svchost.exe

description	ioc	Process
File created	C:\PROGRA~3\LOCALS~1\Temp\ccbudjv.bat	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

Processes:

TrustedInstaller.exeTrustedInstaller.exesvchost.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TrustedInstaller.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TrustedInstaller.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

Processes:

TrustedInstaller.exe

pid	Process
2168	TrustedInstaller.exe
2168	TrustedInstaller.exe
2168	TrustedInstaller.exe
2168	TrustedInstaller.exe
2168	TrustedInstaller.exe
2168	TrustedInstaller.exe
2168	TrustedInstaller.exe
2168	TrustedInstaller.exe
2168	TrustedInstaller.exe
2168	TrustedInstaller.exe
2168	TrustedInstaller.exe
2168	TrustedInstaller.exe
2168	TrustedInstaller.exe
2168	TrustedInstaller.exe
2168	TrustedInstaller.exe
2168	TrustedInstaller.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

TrustedInstaller.exe

pid	Process
2052	TrustedInstaller.exe
2052	TrustedInstaller.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

TrustedInstaller.exeTrustedInstaller.exe

description	pid	Process	procid_target
PID 2168 wrote to memory of 2052	2168	TrustedInstaller.exe	30
PID 2168 wrote to memory of 2052	2168	TrustedInstaller.exe	30
PID 2168 wrote to memory of 2052	2168	TrustedInstaller.exe	30
PID 2168 wrote to memory of 2052	2168	TrustedInstaller.exe	30
PID 2168 wrote to memory of 2052	2168	TrustedInstaller.exe	30
PID 2168 wrote to memory of 2052	2168	TrustedInstaller.exe	30
PID 2168 wrote to memory of 2052	2168	TrustedInstaller.exe	30
PID 2052 wrote to memory of 772	2052	TrustedInstaller.exe	31
PID 2052 wrote to memory of 772	2052	TrustedInstaller.exe	31
PID 2052 wrote to memory of 772	2052	TrustedInstaller.exe	31
PID 2052 wrote to memory of 772	2052	TrustedInstaller.exe	31

C:\Users\Admin\AppData\Local\Temp\TrustedInstaller.exe
"C:\Users\Admin\AppData\Local\Temp\TrustedInstaller.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2168
- C:\Users\Admin\AppData\Local\Temp\TrustedInstaller.exe
  "C:\Users\Admin\AppData\Local\Temp\TrustedInstaller.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2052
- - 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:772

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\TrustedInstaller.exe

Filesize
213KB

MD5
2f675e03759ef3ebc2c3f50e74083511

SHA1
2b6d10856d1f0c01d37786094efcd9314c5a9024

SHA256
16dfb38831b7ad38f1f36e8a15298133e5738bdc969674b720d5c43aaed59840

SHA512
34539e491e0c09d7677da7bee1dcfaf123e56c8193e4b88895b6f51f24e2382bd2380a4cff77edeb09ebe288b939a42eda227f7e5f1e62caf567a8bc80cb2c78

Download Submit
memory/772-13-0x00000000006A0000-0x00000000006A8000-memory.dmp

Filesize
32KB

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memory/772-14-0x00000000006A0000-0x00000000006A8000-memory.dmp

Filesize
32KB

Download
memory/772-16-0x0000000000020000-0x0000000000025000-memory.dmp

Filesize
20KB

Download
memory/772-20-0x0000000000020000-0x0000000000025000-memory.dmp

Filesize
20KB

Download
memory/2052-1-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2052-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2052-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2052-7-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2052-11-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads