Malware Analysis Report

2024-10-16 05:10

Sample ID 240728-ftrasstajh
Target 0a4e2f1f55fbe4544d342870d97e8a0d_JaffaCakes118
SHA256 3bf0fadde2ebaf3830bb62dd95434adb1550813b81360a42145e95520e6fafdd
Tags
upx ammyyadmin discovery rat
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

3bf0fadde2ebaf3830bb62dd95434adb1550813b81360a42145e95520e6fafdd

Threat Level: Known bad

The file 0a4e2f1f55fbe4544d342870d97e8a0d_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

upx ammyyadmin discovery rat

Ammyyadmin family

AmmyyAdmin payload

Ammyy Admin

Checks computer location settings

UPX packed file

Executes dropped EXE

Loads dropped DLL

Unsigned PE

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-28 05:10

Signatures

AmmyyAdmin payload

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

Ammyyadmin family

ammyyadmin

UPX packed file

upx
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

2024-07-28 05:10

Reported

2024-07-30 18:07

Platform

win7-20240729-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0a4e2f1f55fbe4544d342870d97e8a0d_JaffaCakes118.exe"

Signatures

Ammyy Admin

rat ammyyadmin

AmmyyAdmin payload

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

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\budha.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\0a4e2f1f55fbe4544d342870d97e8a0d_JaffaCakes118.exe N/A

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A 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\0a4e2f1f55fbe4544d342870d97e8a0d_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\budha.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\0a4e2f1f55fbe4544d342870d97e8a0d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\0a4e2f1f55fbe4544d342870d97e8a0d_JaffaCakes118.exe"

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 maitikio.com udp
US 8.8.8.8:53 cry-havok.org udp

Files

memory/1792-0-0x0000000000400000-0x0000000000410000-memory.dmp

memory/1792-2-0x00000000003E0000-0x00000000003E1000-memory.dmp

memory/1792-4-0x00000000032D0000-0x00000000036D0000-memory.dmp

\Users\Admin\AppData\Local\Temp\budha.exe

MD5 6170c4e22da05bdc77bceafcb895449c
SHA1 d77add9a12327dd02e433b7d9e1c6ac8552d0211
SHA256 90c924148b170189508b9360f9bdfe20acb863900d354780bf558ad704ab664e
SHA512 ebda67ed9bd4b30952456506d522791452542483219e4fe9e149a33c8eec4252b3ac4abc730b47826077a2b9f6861376bd1f9da3136c7a3c79e66ec4432dfb95

memory/1792-7-0x0000000003B40000-0x0000000003B50000-memory.dmp

memory/1792-10-0x0000000000400000-0x0000000000410000-memory.dmp

memory/2756-11-0x0000000000400000-0x0000000000410000-memory.dmp

memory/2756-13-0x0000000001DB0000-0x0000000001DB1000-memory.dmp

memory/2756-14-0x0000000003370000-0x0000000003770000-memory.dmp

memory/2756-15-0x0000000000400000-0x0000000000410000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-28 05:10

Reported

2024-07-30 18:05

Platform

win10v2004-20240730-en

Max time kernel

150s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0a4e2f1f55fbe4544d342870d97e8a0d_JaffaCakes118.exe"

Signatures

Ammyy Admin

rat ammyyadmin

AmmyyAdmin payload

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2077438316-259605770-1264560426-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\0a4e2f1f55fbe4544d342870d97e8a0d_JaffaCakes118.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\budha.exe N/A

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A 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\0a4e2f1f55fbe4544d342870d97e8a0d_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\budha.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\0a4e2f1f55fbe4544d342870d97e8a0d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\0a4e2f1f55fbe4544d342870d97e8a0d_JaffaCakes118.exe"

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 maitikio.com udp
US 8.8.8.8:53 cry-havok.org udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 cry-havok.org udp
US 8.8.8.8:53 maitikio.com udp
US 8.8.8.8:53 maitikio.com udp
US 8.8.8.8:53 cry-havok.org udp
US 8.8.8.8:53 maitikio.com udp
US 8.8.8.8:53 cry-havok.org udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/2448-0-0x0000000000400000-0x0000000000410000-memory.dmp

memory/2448-1-0x00000000023E0000-0x00000000023E1000-memory.dmp

memory/2448-3-0x0000000002730000-0x0000000002B30000-memory.dmp

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

MD5 6170c4e22da05bdc77bceafcb895449c
SHA1 d77add9a12327dd02e433b7d9e1c6ac8552d0211
SHA256 90c924148b170189508b9360f9bdfe20acb863900d354780bf558ad704ab664e
SHA512 ebda67ed9bd4b30952456506d522791452542483219e4fe9e149a33c8eec4252b3ac4abc730b47826077a2b9f6861376bd1f9da3136c7a3c79e66ec4432dfb95

memory/2416-12-0x0000000000400000-0x0000000000410000-memory.dmp

memory/2448-11-0x0000000000400000-0x0000000000410000-memory.dmp

memory/2416-14-0x0000000002570000-0x0000000002970000-memory.dmp

memory/2416-13-0x0000000000740000-0x0000000000741000-memory.dmp

memory/2416-15-0x0000000000400000-0x0000000000410000-memory.dmp