andromeda | 6eb55a0db3d27d458dce6aa1be28e5393fe68073124ce956b5236d7266a68433

General

Target

JaffaCakes118_96de1a206d03939f07dbaccea2cb55a4.exe
Size

108KB
MD5

96de1a206d03939f07dbaccea2cb55a4
SHA1

2f8a81d9b71ea74934e8a6f33fa59bf13996459f
SHA256

6eb55a0db3d27d458dce6aa1be28e5393fe68073124ce956b5236d7266a68433
SHA512

394e3cbae318f809294454be2640a78b45870a3b284c465cdcbd11d0e19112849227934630948f46af60e34bbabd8c7fb457648149cad321677f3011c841061c
SSDEEP

1536:cSoldSjlNx/vX2CSfC+9hA6wwu9fnx6BbAiJUAuKUgutbK6CEdbjYVl4NGs:BolLq+ww8ocKZutfkVl4ss

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. 2 IoCs

resource	yara_rule
behavioral1/memory/2912-34-0x0000000000020000-0x0000000000025000-memory.dmp	family_andromeda
behavioral1/memory/2912-38-0x0000000000020000-0x0000000000025000-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\30242 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\msrtcrozx.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2912	svchost.exe

Loads dropped DLL 1 IoCs

pid	Process
2384	JaffaCakes118_96de1a206d03939f07dbaccea2cb55a4.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_96de1a206d03939f07dbaccea2cb55a4.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	JaffaCakes118_96de1a206d03939f07dbaccea2cb55a4.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2384 set thread context of 1904	2384	JaffaCakes118_96de1a206d03939f07dbaccea2cb55a4.exe	30
PID 1904 set thread context of 2808	1904	JaffaCakes118_96de1a206d03939f07dbaccea2cb55a4.exe	32

Drops file in Program Files directory 1 IoCs

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

System Location Discovery: System Language Discovery 1 TTPs 4 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_96de1a206d03939f07dbaccea2cb55a4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_96de1a206d03939f07dbaccea2cb55a4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_96de1a206d03939f07dbaccea2cb55a4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2808	JaffaCakes118_96de1a206d03939f07dbaccea2cb55a4.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
2808	JaffaCakes118_96de1a206d03939f07dbaccea2cb55a4.exe
2808	JaffaCakes118_96de1a206d03939f07dbaccea2cb55a4.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 1904	2384	JaffaCakes118_96de1a206d03939f07dbaccea2cb55a4.exe	30
PID 2384 wrote to memory of 1904	2384	JaffaCakes118_96de1a206d03939f07dbaccea2cb55a4.exe	30
PID 2384 wrote to memory of 1904	2384	JaffaCakes118_96de1a206d03939f07dbaccea2cb55a4.exe	30
PID 2384 wrote to memory of 1904	2384	JaffaCakes118_96de1a206d03939f07dbaccea2cb55a4.exe	30
PID 2384 wrote to memory of 1904	2384	JaffaCakes118_96de1a206d03939f07dbaccea2cb55a4.exe	30
PID 2384 wrote to memory of 1904	2384	JaffaCakes118_96de1a206d03939f07dbaccea2cb55a4.exe	30
PID 2384 wrote to memory of 1904	2384	JaffaCakes118_96de1a206d03939f07dbaccea2cb55a4.exe	30
PID 2384 wrote to memory of 1904	2384	JaffaCakes118_96de1a206d03939f07dbaccea2cb55a4.exe	30
PID 1904 wrote to memory of 2808	1904	JaffaCakes118_96de1a206d03939f07dbaccea2cb55a4.exe	32
PID 1904 wrote to memory of 2808	1904	JaffaCakes118_96de1a206d03939f07dbaccea2cb55a4.exe	32
PID 1904 wrote to memory of 2808	1904	JaffaCakes118_96de1a206d03939f07dbaccea2cb55a4.exe	32
PID 1904 wrote to memory of 2808	1904	JaffaCakes118_96de1a206d03939f07dbaccea2cb55a4.exe	32
PID 1904 wrote to memory of 2808	1904	JaffaCakes118_96de1a206d03939f07dbaccea2cb55a4.exe	32
PID 1904 wrote to memory of 2808	1904	JaffaCakes118_96de1a206d03939f07dbaccea2cb55a4.exe	32
PID 1904 wrote to memory of 2808	1904	JaffaCakes118_96de1a206d03939f07dbaccea2cb55a4.exe	32
PID 2808 wrote to memory of 2912	2808	JaffaCakes118_96de1a206d03939f07dbaccea2cb55a4.exe	33
PID 2808 wrote to memory of 2912	2808	JaffaCakes118_96de1a206d03939f07dbaccea2cb55a4.exe	33
PID 2808 wrote to memory of 2912	2808	JaffaCakes118_96de1a206d03939f07dbaccea2cb55a4.exe	33
PID 2808 wrote to memory of 2912	2808	JaffaCakes118_96de1a206d03939f07dbaccea2cb55a4.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_96de1a206d03939f07dbaccea2cb55a4.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_96de1a206d03939f07dbaccea2cb55a4.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2384
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_96de1a206d03939f07dbaccea2cb55a4.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_96de1a206d03939f07dbaccea2cb55a4.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1904
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_96de1a206d03939f07dbaccea2cb55a4.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_96de1a206d03939f07dbaccea2cb55a4.exe"
    3⤵
    - Maps connected drives based on registry
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:2808
  - - C:\Windows\syswow64\svchost.exe
      C:\Windows\syswow64\svchost.exe
      4⤵
      Adds policy Run key to start application
      Deletes itself
      Drops file in Program Files directory
      System Location Discovery: System Language Discovery
      PID:2912

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

\Users\Admin\AppData\Local\Temp\epbUex.UxO

Filesize
2KB

MD5
a7a21220689bd796f6b74e5d983d810e

SHA1
f80ed187bb6ef675922c27b83bdaadc00d333620

SHA256
646bac85543ef9024ba9b1536fd068ede09b904aed678a962ee1bdde62d5fda6

SHA512
3532078c5a9f8dbb29c87d2698184fa4d6c3488e61474f36a28cd5322c50ac913b9b84bd62716b02a9a320d9640298e3129e6390d0894bb045c90ad4489bfc83

Download Submit
memory/1904-3-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1904-11-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1904-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1904-7-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1904-5-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1904-13-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1904-14-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1904-15-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2808-17-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2808-19-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2808-23-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2808-25-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2912-27-0x00000000000B0000-0x00000000000B8000-memory.dmp

Filesize
32KB

Download
memory/2912-29-0x00000000000B0000-0x00000000000B8000-memory.dmp

Filesize
32KB

Download
memory/2912-34-0x0000000000020000-0x0000000000025000-memory.dmp

Filesize
20KB

Download
memory/2912-38-0x0000000000020000-0x0000000000025000-memory.dmp

Filesize
20KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads