andromeda | 63190576295e85d53cfc493f30583f1153796d6377191535c2ab9fc3f526aadf

General

Target

a2eac9b2c83157841fc8b83ecf4413a3_JaffaCakes118.exe
Size

494KB
MD5

a2eac9b2c83157841fc8b83ecf4413a3
SHA1

a100de68c4e63542d33c810d9353c36784e1802e
SHA256

63190576295e85d53cfc493f30583f1153796d6377191535c2ab9fc3f526aadf
SHA512

d12b42490fdddd0b258cc4c2cf9175e15e1766a4eaa300169c7519694df00a8bab60a53ae9adf2184523e37fd5f4eb3e384f4380640109f9a9543e85d154e465
SSDEEP

12288:o6Wq4aaE6KwyF5L0Y2D1PqLjJ/NUmDAFC/gP01MzKoKq5/Bb:+thEVaPqL9/NvDAFhEMuoKq5/Bb

Score

10^/10

andromeda backdoor botnet discovery persistence upx

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/2768-20-0x0000000000020000-0x0000000000025000-memory.dmp	family_andromeda
behavioral1/memory/2768-24-0x0000000000020000-0x0000000000025000-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\17719 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\msnvxaaav.pif"	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	calc.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	calc.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/1960-18-0x0000000000400000-0x00000000004F4000-memory.dmp	autoit_exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\calc.exe	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1960 set thread context of 2680	1960	a2eac9b2c83157841fc8b83ecf4413a3_JaffaCakes118.exe	30

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1960-0-0x0000000000400000-0x00000000004F4000-memory.dmp	upx
behavioral1/memory/1960-18-0x0000000000400000-0x00000000004F4000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\PROGRA~3\LOCALS~1\Temp\msnvxaaav.pif	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 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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a2eac9b2c83157841fc8b83ecf4413a3_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	calc.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2680	calc.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
2680	calc.exe
2680	calc.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1960 wrote to memory of 2680	1960	a2eac9b2c83157841fc8b83ecf4413a3_JaffaCakes118.exe	30
PID 1960 wrote to memory of 2680	1960	a2eac9b2c83157841fc8b83ecf4413a3_JaffaCakes118.exe	30
PID 1960 wrote to memory of 2680	1960	a2eac9b2c83157841fc8b83ecf4413a3_JaffaCakes118.exe	30
PID 1960 wrote to memory of 2680	1960	a2eac9b2c83157841fc8b83ecf4413a3_JaffaCakes118.exe	30
PID 1960 wrote to memory of 2680	1960	a2eac9b2c83157841fc8b83ecf4413a3_JaffaCakes118.exe	30
PID 1960 wrote to memory of 2680	1960	a2eac9b2c83157841fc8b83ecf4413a3_JaffaCakes118.exe	30
PID 2680 wrote to memory of 2768	2680	calc.exe	31
PID 2680 wrote to memory of 2768	2680	calc.exe	31
PID 2680 wrote to memory of 2768	2680	calc.exe	31
PID 2680 wrote to memory of 2768	2680	calc.exe	31

C:\Users\Admin\AppData\Local\Temp\a2eac9b2c83157841fc8b83ecf4413a3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a2eac9b2c83157841fc8b83ecf4413a3_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1960
- C:\Windows\SysWOW64\calc.exe
  "C:\Windows\SysWOW64\calc.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:2680
- - C:\Windows\syswow64\svchost.exe
    C:\Windows\syswow64\svchost.exe
    3⤵
    - Adds policy Run key to start application
    - Drops file in System32 directory
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    PID:2768

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

2

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\osdin.txt

Filesize
13KB

MD5
e4131e1ccdd12d34489d41048493c9bd

SHA1
73b86fd33bcd9cbb25138fb66715bd9f5d176397

SHA256
49e7a27bf2210c61713dc10b68ac6fff5b4217d31f30905ea1d4468c95c03035

SHA512
d1e980943902dab187a37c09a45b42d5ebf57e50f0a9ac6c75e5165e819e1d02855b4fb80427f09cc94ef664c11ee3b6ca68394aa9c02cf6a050bdb2bf63319d

Download Submit
memory/1960-0-0x0000000000400000-0x00000000004F4000-memory.dmp

Filesize
976KB

Download
memory/1960-18-0x0000000000400000-0x00000000004F4000-memory.dmp

Filesize
976KB

Download
memory/2680-8-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2680-11-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2680-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2680-12-0x0000000000020000-0x0000000000022000-memory.dmp

Filesize
8KB

Download
memory/2680-14-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2768-17-0x0000000000E90000-0x0000000000E98000-memory.dmp

Filesize
32KB

Download
memory/2768-15-0x0000000000E90000-0x0000000000E98000-memory.dmp

Filesize
32KB

Download
memory/2768-20-0x0000000000020000-0x0000000000025000-memory.dmp

Filesize
20KB

Download
memory/2768-24-0x0000000000020000-0x0000000000025000-memory.dmp

Filesize
20KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads