andromeda | c788c7a10a4bf3a8f8d4fe34535a64032fc4a77bdc501d6d85bca71c4a474bef

General

Target

a3b920a0c30cfda36d016969d50f402c_JaffaCakes118.exe
Size

42KB
MD5

a3b920a0c30cfda36d016969d50f402c
SHA1

92f8a5b3defed515dc018070305987c3f9292cf2
SHA256

c788c7a10a4bf3a8f8d4fe34535a64032fc4a77bdc501d6d85bca71c4a474bef
SHA512

4bdf906d2292913915c82e4d7bb79704c5273144ac65d36385dc13a54afa9db0cb694b22c65312f119275ccab279f5f87b19befd58e58cd9d35637e8d01489cc
SSDEEP

384:V04Vfdj9JT9uxRgZGz0glhPuDWWx3fmslSK/Hma6A+ciHSc/fqBXMPmr6j1Ya+sO:9dfTIv9K/D6RciSc/23SYgwcY

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

Processes:

resource	yara_rule
behavioral1/memory/2824-3-0x0000000000020000-0x0000000000025000-memory.dmp	family_andromeda
behavioral1/memory/2824-5-0x0000000000020000-0x0000000000025000-memory.dmp	family_andromeda
behavioral1/memory/2824-9-0x0000000000020000-0x0000000000025000-memory.dmp	family_andromeda
behavioral1/memory/2824-10-0x0000000000020000-0x0000000000025000-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\35234 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\mseiioui.scr"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid	Process
2824	svchost.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

Processes:

a3b920a0c30cfda36d016969d50f402c_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	a3b920a0c30cfda36d016969d50f402c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\disk\enum	a3b920a0c30cfda36d016969d50f402c_JaffaCakes118.exe

Drops file in Program Files directory 1 IoCs

Processes:

svchost.exe

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

System Location Discovery: System Language Discovery 1 TTPs 2 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:

a3b920a0c30cfda36d016969d50f402c_JaffaCakes118.exesvchost.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a3b920a0c30cfda36d016969d50f402c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

a3b920a0c30cfda36d016969d50f402c_JaffaCakes118.exe

pid	Process
2692	a3b920a0c30cfda36d016969d50f402c_JaffaCakes118.exe

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

a3b920a0c30cfda36d016969d50f402c_JaffaCakes118.exe

pid	Process
2692	a3b920a0c30cfda36d016969d50f402c_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

a3b920a0c30cfda36d016969d50f402c_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2692 wrote to memory of 2824	2692	a3b920a0c30cfda36d016969d50f402c_JaffaCakes118.exe	30
PID 2692 wrote to memory of 2824	2692	a3b920a0c30cfda36d016969d50f402c_JaffaCakes118.exe	30
PID 2692 wrote to memory of 2824	2692	a3b920a0c30cfda36d016969d50f402c_JaffaCakes118.exe	30
PID 2692 wrote to memory of 2824	2692	a3b920a0c30cfda36d016969d50f402c_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\a3b920a0c30cfda36d016969d50f402c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a3b920a0c30cfda36d016969d50f402c_JaffaCakes118.exe"
1⤵
- Maps connected drives based on registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2692
- C:\Windows\syswow64\svchost.exe
  C:\Windows\syswow64\svchost.exe
  2⤵
  - Adds policy Run key to start application
  - Deletes itself
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  PID:2824

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

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2692-0-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2692-1-0x0000000000020000-0x0000000000022000-memory.dmp

Filesize
8KB

Download
memory/2692-2-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2824-3-0x0000000000020000-0x0000000000025000-memory.dmp

Filesize
20KB

Download
memory/2824-5-0x0000000000020000-0x0000000000025000-memory.dmp

Filesize
20KB

Download
memory/2824-9-0x0000000000020000-0x0000000000025000-memory.dmp

Filesize
20KB

Download
memory/2824-10-0x0000000000020000-0x0000000000025000-memory.dmp

Filesize
20KB

Download
memory/2824-26-0x0000000000080000-0x0000000000085000-memory.dmp

Filesize
20KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads