Malware Analysis Report

2024-10-16 05:10

Sample ID 240905-3rlzmavfre
Target ce2c5af625880ba1e46230cd24552e2c_JaffaCakes118
SHA256 02efc3438c29ee833a6f3ae23ec3cd80bd80d417643520b5cc3830d2b851b06c
Tags
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

02efc3438c29ee833a6f3ae23ec3cd80bd80d417643520b5cc3830d2b851b06c

Threat Level: Known bad

The file ce2c5af625880ba1e46230cd24552e2c_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

ammyyadmin discovery rat

AmmyyAdmin payload

Ammyyadmin family

Ammyy Admin

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

System Location Discovery: System Language Discovery

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-05 23:44

Signatures

AmmyyAdmin payload

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

Ammyyadmin family

ammyyadmin

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-05 23:44

Reported

2024-09-05 23:47

Platform

win7-20240903-en

Max time kernel

149s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ce2c5af625880ba1e46230cd24552e2c_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\ce2c5af625880ba1e46230cd24552e2c_JaffaCakes118.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\ce2c5af625880ba1e46230cd24552e2c_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\ce2c5af625880ba1e46230cd24552e2c_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\ce2c5af625880ba1e46230cd24552e2c_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 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp

Files

memory/2088-0-0x0000000000400000-0x000000000040A000-memory.dmp

memory/2088-1-0x0000000001D10000-0x0000000001D11000-memory.dmp

memory/2088-3-0x0000000002BD0000-0x0000000002FD0000-memory.dmp

memory/2088-7-0x0000000003050000-0x000000000305A000-memory.dmp

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

MD5 ac4e9416b21ba451a92bf169a66e1cd7
SHA1 ec9c0be659543928c955a3952fddc38bd7706874
SHA256 ee75def664133e6998868f11b4c116148c0f0213210cec77989064adba7c60d8
SHA512 82ac1730be14a92e622d9b1d04b133c1618c8eb2302bf79f7a5d6ac6d5f56ec54bac08fec459bee9d70fcb73d17a833c3356749fa4bc7fcc9fb9bd355c1177ac

memory/2748-12-0x0000000000400000-0x000000000040A000-memory.dmp

memory/2088-11-0x0000000000400000-0x000000000040A000-memory.dmp

memory/2748-15-0x0000000002AB0000-0x0000000002EB0000-memory.dmp

memory/2748-14-0x0000000000300000-0x0000000000301000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\CabA4AA.tmp

MD5 49aebf8cbd62d92ac215b2923fb1b9f5
SHA1 1723be06719828dda65ad804298d0431f6aff976
SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512 bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

C:\Users\Admin\AppData\Local\Temp\TarA4BD.tmp

MD5 4ea6026cf93ec6338144661bf1202cd1
SHA1 a1dec9044f750ad887935a01430bf49322fbdcb7
SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA512 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

memory/2748-50-0x0000000000400000-0x000000000040A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-05 23:44

Reported

2024-09-05 23:47

Platform

win10v2004-20240802-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ce2c5af625880ba1e46230cd24552e2c_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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\ce2c5af625880ba1e46230cd24552e2c_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

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\budha.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\ce2c5af625880ba1e46230cd24552e2c_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ce2c5af625880ba1e46230cd24552e2c_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\ce2c5af625880ba1e46230cd24552e2c_JaffaCakes118.exe"

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 maitikio.com udp
US 8.8.8.8:53 cry-havok.org udp
US 3.33.130.190:443 cry-havok.org tcp
US 8.8.8.8:53 190.130.33.3.in-addr.arpa udp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 maitikio.com udp
US 3.33.130.190:443 cry-havok.org tcp
US 8.8.8.8:53 23.249.124.192.in-addr.arpa udp
US 3.33.130.190:443 cry-havok.org tcp
US 3.33.130.190:443 cry-havok.org tcp
US 8.8.8.8:53 maitikio.com udp
US 3.33.130.190:443 cry-havok.org tcp
US 3.33.130.190:443 cry-havok.org tcp
US 3.33.130.190:443 cry-havok.org tcp
US 8.8.8.8:53 maitikio.com udp
US 3.33.130.190:443 cry-havok.org tcp
US 3.33.130.190:443 cry-havok.org tcp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 3.33.130.190:443 cry-havok.org tcp
US 8.8.8.8:53 maitikio.com udp
US 3.33.130.190:443 cry-havok.org tcp
US 8.8.8.8:53 maitikio.com udp
US 3.33.130.190:443 cry-havok.org tcp
US 3.33.130.190:443 cry-havok.org tcp
US 8.8.8.8:53 maitikio.com udp
US 3.33.130.190:443 cry-havok.org tcp
US 3.33.130.190:443 cry-havok.org tcp
US 3.33.130.190:443 cry-havok.org tcp
US 3.33.130.190:443 cry-havok.org tcp
US 3.33.130.190:443 cry-havok.org tcp
US 8.8.8.8:53 maitikio.com udp
US 3.33.130.190:443 cry-havok.org tcp
US 3.33.130.190:443 cry-havok.org tcp
US 3.33.130.190:443 cry-havok.org tcp
US 3.33.130.190:443 cry-havok.org tcp
US 3.33.130.190:443 cry-havok.org tcp
US 3.33.130.190:443 cry-havok.org tcp
US 8.8.8.8:53 maitikio.com udp
US 3.33.130.190:443 cry-havok.org tcp
US 3.33.130.190:443 cry-havok.org tcp
US 3.33.130.190:443 cry-havok.org tcp
US 3.33.130.190:443 cry-havok.org tcp
US 8.8.8.8:53 maitikio.com udp
US 3.33.130.190:443 cry-havok.org tcp
US 3.33.130.190:443 cry-havok.org tcp
US 3.33.130.190:443 cry-havok.org tcp
US 3.33.130.190:443 cry-havok.org tcp
US 3.33.130.190:443 cry-havok.org tcp
US 3.33.130.190:443 cry-havok.org tcp
US 8.8.8.8:53 maitikio.com udp
US 3.33.130.190:443 cry-havok.org tcp
US 3.33.130.190:443 cry-havok.org tcp
US 8.8.8.8:53 maitikio.com udp
US 3.33.130.190:443 cry-havok.org tcp
US 3.33.130.190:443 cry-havok.org tcp
US 3.33.130.190:443 cry-havok.org tcp
US 3.33.130.190:443 cry-havok.org tcp
US 3.33.130.190:443 cry-havok.org tcp
US 3.33.130.190:443 cry-havok.org tcp
US 3.33.130.190:443 cry-havok.org tcp
US 8.8.8.8:53 maitikio.com udp
US 3.33.130.190:443 cry-havok.org tcp
US 3.33.130.190:443 cry-havok.org tcp
US 8.8.8.8:53 udp

Files

memory/2752-0-0x0000000000400000-0x000000000040A000-memory.dmp

memory/2752-1-0x00000000024D0000-0x00000000024D1000-memory.dmp

memory/2752-3-0x0000000002820000-0x0000000002C20000-memory.dmp

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

MD5 ac4e9416b21ba451a92bf169a66e1cd7
SHA1 ec9c0be659543928c955a3952fddc38bd7706874
SHA256 ee75def664133e6998868f11b4c116148c0f0213210cec77989064adba7c60d8
SHA512 82ac1730be14a92e622d9b1d04b133c1618c8eb2302bf79f7a5d6ac6d5f56ec54bac08fec459bee9d70fcb73d17a833c3356749fa4bc7fcc9fb9bd355c1177ac

memory/2752-12-0x0000000000400000-0x000000000040A000-memory.dmp

memory/1588-13-0x00000000021A0000-0x00000000021A1000-memory.dmp

memory/1588-14-0x00000000025F0000-0x00000000029F0000-memory.dmp

memory/1588-21-0x0000000000400000-0x000000000040A000-memory.dmp