andromeda | b5d1bd6e0e12a8efc77b19e9a41007640738d5f9289edede252a14cd6e1c5e24

General

Target

JaffaCakes118_5b4e5e444ee2e388e0bf6e65c23fbbf8.exe
Size

54KB
MD5

5b4e5e444ee2e388e0bf6e65c23fbbf8
SHA1

596a7597a26a01d90d1c71b6c26570e2fa8a4a8e
SHA256

b5d1bd6e0e12a8efc77b19e9a41007640738d5f9289edede252a14cd6e1c5e24
SHA512

80ab0fb905c1b2f0dbfa2a05c05723485881d463570408b5a47384df262090111607095e11eee8b2889b61f5c8d1e64726acaacf3eb9b93a6523e6bc367e836c
SSDEEP

768:/vWqjOJZcEG8uni2h4HpiuDEDmAnYhEM2cmnN50w5rEwMrboCbH0MAiZI:78ZcE7sCg6oX50w5rT7C4iZI

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/2716-7-0x0000000000020000-0x0000000000025000-memory.dmp	family_andromeda
behavioral1/memory/2716-11-0x0000000000020000-0x0000000000025000-memory.dmp	family_andromeda
behavioral1/memory/2716-12-0x0000000000020000-0x0000000000025000-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

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\59903 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\msyirck.bat"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2716	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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\disk\enum	JaffaCakes118_5b4e5e444ee2e388e0bf6e65c23fbbf8.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	JaffaCakes118_5b4e5e444ee2e388e0bf6e65c23fbbf8.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 768 set thread context of 2872	768	JaffaCakes118_5b4e5e444ee2e388e0bf6e65c23fbbf8.exe	31

Drops file in Program Files directory 1 IoCs

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_5b4e5e444ee2e388e0bf6e65c23fbbf8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_5b4e5e444ee2e388e0bf6e65c23fbbf8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2872	JaffaCakes118_5b4e5e444ee2e388e0bf6e65c23fbbf8.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
2872	JaffaCakes118_5b4e5e444ee2e388e0bf6e65c23fbbf8.exe
2872	JaffaCakes118_5b4e5e444ee2e388e0bf6e65c23fbbf8.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 768 wrote to memory of 2872	768	JaffaCakes118_5b4e5e444ee2e388e0bf6e65c23fbbf8.exe	31
PID 768 wrote to memory of 2872	768	JaffaCakes118_5b4e5e444ee2e388e0bf6e65c23fbbf8.exe	31
PID 768 wrote to memory of 2872	768	JaffaCakes118_5b4e5e444ee2e388e0bf6e65c23fbbf8.exe	31
PID 768 wrote to memory of 2872	768	JaffaCakes118_5b4e5e444ee2e388e0bf6e65c23fbbf8.exe	31
PID 768 wrote to memory of 2872	768	JaffaCakes118_5b4e5e444ee2e388e0bf6e65c23fbbf8.exe	31
PID 768 wrote to memory of 2872	768	JaffaCakes118_5b4e5e444ee2e388e0bf6e65c23fbbf8.exe	31
PID 768 wrote to memory of 2872	768	JaffaCakes118_5b4e5e444ee2e388e0bf6e65c23fbbf8.exe	31
PID 2872 wrote to memory of 2716	2872	JaffaCakes118_5b4e5e444ee2e388e0bf6e65c23fbbf8.exe	32
PID 2872 wrote to memory of 2716	2872	JaffaCakes118_5b4e5e444ee2e388e0bf6e65c23fbbf8.exe	32
PID 2872 wrote to memory of 2716	2872	JaffaCakes118_5b4e5e444ee2e388e0bf6e65c23fbbf8.exe	32
PID 2872 wrote to memory of 2716	2872	JaffaCakes118_5b4e5e444ee2e388e0bf6e65c23fbbf8.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5b4e5e444ee2e388e0bf6e65c23fbbf8.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5b4e5e444ee2e388e0bf6e65c23fbbf8.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:768
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5b4e5e444ee2e388e0bf6e65c23fbbf8.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5b4e5e444ee2e388e0bf6e65c23fbbf8.exe"
  2⤵
  - Maps connected drives based on registry
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2872
- - C:\Windows\syswow64\svchost.exe
    C:\Windows\syswow64\svchost.exe
    3⤵
    - Adds policy Run key to start application
    - Deletes itself
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    PID:2716

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

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Downloads

memory/2716-4-0x0000000000080000-0x0000000000088000-memory.dmp

Filesize
32KB

Download
memory/2716-5-0x0000000000080000-0x0000000000088000-memory.dmp

Filesize
32KB

Download
memory/2716-7-0x0000000000020000-0x0000000000025000-memory.dmp

Filesize
20KB

Download
memory/2716-11-0x0000000000020000-0x0000000000025000-memory.dmp

Filesize
20KB

Download
memory/2716-12-0x0000000000020000-0x0000000000025000-memory.dmp

Filesize
20KB

Download
memory/2872-0-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2872-1-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads