andromeda | 3983463abd9919593716063851e76edf048f198320c27d12cf18bec4b5489494

General

Target

JaffaCakes118_a9975aaf626ce6d1d5caf18bcddd6638.exe
Size

162KB
MD5

a9975aaf626ce6d1d5caf18bcddd6638
SHA1

2f231b49a3244178581179d3b46e89a354840e6a
SHA256

3983463abd9919593716063851e76edf048f198320c27d12cf18bec4b5489494
SHA512

b8a546dd6492b0a37f96cf29c552852819692c3d9e87ac36c85c53b65c8a36a56e25c3e91bda3046585a710c8875ea4906455d1c3cd93c89f715bfe1d4c35ce5
SSDEEP

3072:WnJRlMMGYJ+ipesjoccP9r5l2z3ScxI10HZKYHOQBYWiuhdPn9o:WJhjqPpOWcxI10Hiuhd/m

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. 3 IoCs

resource	yara_rule
behavioral1/memory/4596-28-0x0000000000BF0000-0x0000000000BF5000-memory.dmp	family_andromeda
behavioral1/memory/4596-32-0x0000000000BF0000-0x0000000000BF5000-memory.dmp	family_andromeda
behavioral1/memory/4596-33-0x0000000000BF0000-0x0000000000BF5000-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\32705 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\mszamaaw.scr"	svchost.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1279544337-3716153908-718418795-1000\Control Panel\International\Geo\Nation	JaffaCakes118_a9975aaf626ce6d1d5caf18bcddd6638.exe

Executes dropped EXE 3 IoCs

pid	Process
5956	JaffaCakes118_a9975aaf626ce6d1d5caf18bcddd6638.exe
4644	~msiexec.exe
4604	~msiexec.exe

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 value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	~msiexec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\disk\enum	~msiexec.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4984 set thread context of 5956	4984	JaffaCakes118_a9975aaf626ce6d1d5caf18bcddd6638.exe	94
PID 4644 set thread context of 4604	4644	~msiexec.exe	100

Drops file in Program Files directory 1 IoCs

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

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 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_a9975aaf626ce6d1d5caf18bcddd6638.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_a9975aaf626ce6d1d5caf18bcddd6638.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	~msiexec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	~msiexec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
5956	JaffaCakes118_a9975aaf626ce6d1d5caf18bcddd6638.exe
5956	JaffaCakes118_a9975aaf626ce6d1d5caf18bcddd6638.exe
4604	~msiexec.exe
4604	~msiexec.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
4604	~msiexec.exe
4604	~msiexec.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 4984 wrote to memory of 5956	4984	JaffaCakes118_a9975aaf626ce6d1d5caf18bcddd6638.exe	94
PID 4984 wrote to memory of 5956	4984	JaffaCakes118_a9975aaf626ce6d1d5caf18bcddd6638.exe	94
PID 4984 wrote to memory of 5956	4984	JaffaCakes118_a9975aaf626ce6d1d5caf18bcddd6638.exe	94
PID 4984 wrote to memory of 5956	4984	JaffaCakes118_a9975aaf626ce6d1d5caf18bcddd6638.exe	94
PID 4984 wrote to memory of 5956	4984	JaffaCakes118_a9975aaf626ce6d1d5caf18bcddd6638.exe	94
PID 4984 wrote to memory of 5956	4984	JaffaCakes118_a9975aaf626ce6d1d5caf18bcddd6638.exe	94
PID 4984 wrote to memory of 5956	4984	JaffaCakes118_a9975aaf626ce6d1d5caf18bcddd6638.exe	94
PID 4984 wrote to memory of 5956	4984	JaffaCakes118_a9975aaf626ce6d1d5caf18bcddd6638.exe	94
PID 4984 wrote to memory of 5956	4984	JaffaCakes118_a9975aaf626ce6d1d5caf18bcddd6638.exe	94
PID 5956 wrote to memory of 4644	5956	JaffaCakes118_a9975aaf626ce6d1d5caf18bcddd6638.exe	95
PID 5956 wrote to memory of 4644	5956	JaffaCakes118_a9975aaf626ce6d1d5caf18bcddd6638.exe	95
PID 5956 wrote to memory of 4644	5956	JaffaCakes118_a9975aaf626ce6d1d5caf18bcddd6638.exe	95
PID 4644 wrote to memory of 4604	4644	~msiexec.exe	100
PID 4644 wrote to memory of 4604	4644	~msiexec.exe	100
PID 4644 wrote to memory of 4604	4644	~msiexec.exe	100
PID 4644 wrote to memory of 4604	4644	~msiexec.exe	100
PID 4644 wrote to memory of 4604	4644	~msiexec.exe	100
PID 4604 wrote to memory of 4596	4604	~msiexec.exe	101
PID 4604 wrote to memory of 4596	4604	~msiexec.exe	101
PID 4604 wrote to memory of 4596	4604	~msiexec.exe	101

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a9975aaf626ce6d1d5caf18bcddd6638.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a9975aaf626ce6d1d5caf18bcddd6638.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4984
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a9975aaf626ce6d1d5caf18bcddd6638.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a9975aaf626ce6d1d5caf18bcddd6638.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:5956
- - C:\Users\Admin\AppData\Local\Temp\$MSI\~msiexec.exe
    "C:\Users\Admin\AppData\Local\Temp\$MSI\~msiexec.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4644
  - - C:\Users\Admin\AppData\Local\Temp\$MSI\~msiexec.exe
      "C:\Users\Admin\AppData\Local\Temp\$MSI\~msiexec.exe"
      4⤵
      Executes dropped EXE
      Maps connected drives based on registry
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of WriteProcessMemory
      PID:4604
    - - C:\Windows\SysWOW64\svchost.exe
        
        C:\Windows\syswow64\svchost.exe
        5⤵
        Adds policy Run key to start application
        Drops file in Program Files directory
        System Location Discovery: System Language Discovery
        
        PID:4596

Network

MITRE ATT&CK Enterprise v16

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

Peripheral Device Discovery

Query Registry

System Information Discovery

3

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

C:\Users\Admin\AppData\Local\Temp\$MSI\~msiexec.exe

Filesize
36KB

MD5
26ef217add0d6b6544939af9ac2a61f0

SHA1
ccd87db0c76898b9e98e1ed5cd305a37df3d9a99

SHA256
70316f116757159f116f4d0ac128e926102018595367b8a58f467e8cd8ad1121

SHA512
d4b2684d25ed184402b48dcd0bd5414d73cac0206cad1a7601084e098487ea4a83d7fe85c5a98de4d1b12882141d3596f5b97d3e89314cbb79d99d941240ff5a

Download Submit
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a9975aaf626ce6d1d5caf18bcddd6638.exe

Filesize
162KB

MD5
a9975aaf626ce6d1d5caf18bcddd6638

SHA1
2f231b49a3244178581179d3b46e89a354840e6a

SHA256
3983463abd9919593716063851e76edf048f198320c27d12cf18bec4b5489494

SHA512
b8a546dd6492b0a37f96cf29c552852819692c3d9e87ac36c85c53b65c8a36a56e25c3e91bda3046585a710c8875ea4906455d1c3cd93c89f715bfe1d4c35ce5

Download Submit
memory/4596-24-0x0000000000E20000-0x0000000000E2E000-memory.dmp

Filesize
56KB

Download
memory/4596-34-0x0000000003150000-0x000000000316F000-memory.dmp

Filesize
124KB

Download
memory/4596-33-0x0000000000BF0000-0x0000000000BF5000-memory.dmp

Filesize
20KB

Download
memory/4596-31-0x0000000003150000-0x000000000316F000-memory.dmp

Filesize
124KB

Download
memory/4596-32-0x0000000000BF0000-0x0000000000BF5000-memory.dmp

Filesize
20KB

Download
memory/4596-28-0x0000000000BF0000-0x0000000000BF5000-memory.dmp

Filesize
20KB

Download
memory/4596-26-0x0000000000E20000-0x0000000000E2E000-memory.dmp

Filesize
56KB

Download
memory/4604-21-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4604-19-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/5956-18-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/5956-5-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/5956-3-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/5956-2-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/5956-0-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads