Malware Analysis Report

2025-01-02 14:25

Sample ID 241129-kjk39awjf1
Target b011f80f86d655460b74482506ca53f5_JaffaCakes118
SHA256 0461dc2b1fa200c6f1ec4b302f8c5f128f82bab754d8d461e20e494c2015dc8c
Tags
andromeda backdoor botnet discovery persistence
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

0461dc2b1fa200c6f1ec4b302f8c5f128f82bab754d8d461e20e494c2015dc8c

Threat Level: Known bad

The file b011f80f86d655460b74482506ca53f5_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

andromeda backdoor botnet discovery persistence

Andromeda family

Detects Andromeda payload.

Andromeda, Gamarue

Adds policy Run key to start application

Maps connected drives based on registry

AutoIT Executable

Drops file in System32 directory

Suspicious use of SetThreadContext

Drops file in Program Files directory

Unsigned PE

System Location Discovery: System Language Discovery

Enumerates physical storage devices

Suspicious behavior: MapViewOfSection

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-29 08:37

Signatures

AutoIT Executable

Description Indicator Process Target
N/A N/A N/A N/A

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-29 08:37

Reported

2024-11-29 08:40

Platform

win7-20240903-en

Max time kernel

140s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b011f80f86d655460b74482506ca53f5_JaffaCakes118.exe"

Signatures

Andromeda family

andromeda

Andromeda, Gamarue

botnet backdoor andromeda

Detects Andromeda payload.

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

Adds policy Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\40344 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\msvyfukuz.pif" C:\Windows\syswow64\svchost.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run C:\Windows\syswow64\svchost.exe N/A

Maps connected drives based on registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\disk\enum C:\Windows\SysWOW64\calc.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 C:\Windows\SysWOW64\calc.exe N/A

AutoIT Executable

Description Indicator Process Target
N/A N/A N/A N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\calc.exe C:\Windows\syswow64\svchost.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2204 set thread context of 2272 N/A C:\Users\Admin\AppData\Local\Temp\b011f80f86d655460b74482506ca53f5_JaffaCakes118.exe C:\Windows\SysWOW64\calc.exe

Drops file in Program Files directory

Description Indicator Process Target
File created C:\PROGRA~3\LOCALS~1\Temp\msvyfukuz.pif C:\Windows\syswow64\svchost.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\syswow64\svchost.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\b011f80f86d655460b74482506ca53f5_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\calc.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\calc.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\calc.exe N/A
N/A N/A C:\Windows\SysWOW64\calc.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b011f80f86d655460b74482506ca53f5_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b011f80f86d655460b74482506ca53f5_JaffaCakes118.exe"

C:\Windows\SysWOW64\calc.exe

"C:\Windows\SysWOW64\calc.exe"

C:\Windows\syswow64\svchost.exe

C:\Windows\syswow64\svchost.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.update.microsoft.com udp
US 20.72.235.82:80 www.update.microsoft.com tcp
US 8.8.4.4:53 kitdual.com udp
HK 154.80.177.91:80 kitdual.com tcp
US 8.8.4.4:53 kitdual.com udp
HK 154.80.177.91:80 kitdual.com tcp
US 8.8.4.4:53 kitdual.com udp
HK 154.80.177.91:80 kitdual.com tcp

Files

memory/2204-0-0x0000000000400000-0x00000000004CE000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\osdin.txt

MD5 e4131e1ccdd12d34489d41048493c9bd
SHA1 73b86fd33bcd9cbb25138fb66715bd9f5d176397
SHA256 49e7a27bf2210c61713dc10b68ac6fff5b4217d31f30905ea1d4468c95c03035
SHA512 d1e980943902dab187a37c09a45b42d5ebf57e50f0a9ac6c75e5165e819e1d02855b4fb80427f09cc94ef664c11ee3b6ca68394aa9c02cf6a050bdb2bf63319d

memory/2272-8-0x0000000000400000-0x0000000000405000-memory.dmp

memory/2272-11-0x0000000000400000-0x0000000000405000-memory.dmp

memory/2272-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2272-12-0x0000000000020000-0x0000000000022000-memory.dmp

memory/2272-14-0x0000000000400000-0x0000000000405000-memory.dmp

memory/1988-15-0x0000000000890000-0x0000000000898000-memory.dmp

memory/1988-16-0x0000000000890000-0x0000000000898000-memory.dmp

memory/1988-18-0x0000000000020000-0x0000000000025000-memory.dmp

memory/1988-22-0x0000000000020000-0x0000000000025000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-29 08:37

Reported

2024-11-29 08:40

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b011f80f86d655460b74482506ca53f5_JaffaCakes118.exe"

Signatures

Andromeda family

andromeda

Andromeda, Gamarue

botnet backdoor andromeda

Detects Andromeda payload.

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

Adds policy Run key to start application

persistence
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run C:\Windows\SysWOW64\svchost.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\65131 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\mswkawqjd.pif" C:\Windows\SysWOW64\svchost.exe N/A

Maps connected drives based on registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\disk\enum C:\Windows\SysWOW64\calc.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 C:\Windows\SysWOW64\calc.exe N/A

AutoIT Executable

Description Indicator Process Target
N/A N/A N/A N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\calc.exe C:\Windows\SysWOW64\svchost.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 848 set thread context of 4460 N/A C:\Users\Admin\AppData\Local\Temp\b011f80f86d655460b74482506ca53f5_JaffaCakes118.exe C:\Windows\SysWOW64\calc.exe

Drops file in Program Files directory

Description Indicator Process Target
File created C:\PROGRA~3\LOCALS~1\Temp\mswkawqjd.pif C:\Windows\SysWOW64\svchost.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\b011f80f86d655460b74482506ca53f5_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\calc.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\svchost.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\calc.exe N/A
N/A N/A C:\Windows\SysWOW64\calc.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\calc.exe N/A
N/A N/A C:\Windows\SysWOW64\calc.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b011f80f86d655460b74482506ca53f5_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b011f80f86d655460b74482506ca53f5_JaffaCakes118.exe"

C:\Windows\SysWOW64\calc.exe

"C:\Windows\SysWOW64\calc.exe"

C:\Windows\SysWOW64\svchost.exe

C:\Windows\syswow64\svchost.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 www.update.microsoft.com udp
US 20.109.209.108:80 www.update.microsoft.com tcp
US 8.8.4.4:53 kitdual.com udp
HK 154.80.177.91:80 kitdual.com tcp
US 8.8.8.8:53 108.209.109.20.in-addr.arpa udp
US 8.8.8.8:53 4.4.8.8.in-addr.arpa udp
US 8.8.8.8:53 91.177.80.154.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.4.4:53 kitdual.com udp
HK 154.80.177.91:80 kitdual.com tcp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.4.4:53 kitdual.com udp
HK 154.80.177.91:80 kitdual.com tcp

Files

memory/848-0-0x0000000000400000-0x00000000004CE000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\aut79D3.tmp

MD5 e4131e1ccdd12d34489d41048493c9bd
SHA1 73b86fd33bcd9cbb25138fb66715bd9f5d176397
SHA256 49e7a27bf2210c61713dc10b68ac6fff5b4217d31f30905ea1d4468c95c03035
SHA512 d1e980943902dab187a37c09a45b42d5ebf57e50f0a9ac6c75e5165e819e1d02855b4fb80427f09cc94ef664c11ee3b6ca68394aa9c02cf6a050bdb2bf63319d

memory/4460-9-0x0000000000400000-0x0000000000405000-memory.dmp

memory/4460-10-0x0000000000F60000-0x0000000000F62000-memory.dmp

memory/4460-12-0x0000000000400000-0x0000000000405000-memory.dmp

memory/4348-13-0x0000000000E00000-0x0000000000E0E000-memory.dmp

memory/4348-15-0x0000000000E00000-0x0000000000E0E000-memory.dmp

memory/4348-17-0x00000000007F0000-0x00000000007F5000-memory.dmp

memory/4348-21-0x00000000007F0000-0x00000000007F5000-memory.dmp