Malware Analysis Report

2024-10-16 05:10

Sample ID 240913-jewhra1gkr
Target ddf779787b9403c02345a5d73552aaf4_JaffaCakes118
SHA256 86c868ac7491954a150fa2233079171d94cad030f0c2739c16cc17de9fa44eda
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

86c868ac7491954a150fa2233079171d94cad030f0c2739c16cc17de9fa44eda

Threat Level: Known bad

The file ddf779787b9403c02345a5d73552aaf4_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

ammyyadmin discovery rat

Ammyyadmin family

AmmyyAdmin payload

Ammyy Admin

Loads dropped DLL

Executes dropped EXE

Checks computer location settings

Unsigned PE

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-13 07:35

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

2024-09-13 07:35

Reported

2024-09-13 07:38

Platform

win7-20240903-en

Max time kernel

150s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ddf779787b9403c02345a5d73552aaf4_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\ddf779787b9403c02345a5d73552aaf4_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\ddf779787b9403c02345a5d73552aaf4_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\ddf779787b9403c02345a5d73552aaf4_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\ddf779787b9403c02345a5d73552aaf4_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 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 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 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

Files

memory/1620-0-0x0000000000400000-0x000000000040A000-memory.dmp

memory/1620-1-0x0000000000380000-0x0000000000381000-memory.dmp

memory/1620-3-0x0000000002AC0000-0x0000000002EC0000-memory.dmp

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

MD5 2157e3f8e41125801f017738d1d43e9c
SHA1 278b0027c26460be204a89284f02307aff3fe18f
SHA256 7f042a6299e71e0046ca3d15b10590365fbf165f3b355203cc5075e149dec9db
SHA512 71b5ba87ff32474a1588573c43a459e3f12510c57a1175909f8f39b7addf0695aef965026ed386d21a1595ac16ba3577dd1f93857d6df3d53cc0a603587d22ff

memory/1620-7-0x0000000003360000-0x000000000336A000-memory.dmp

memory/1628-12-0x0000000000400000-0x000000000040A000-memory.dmp

memory/1620-11-0x0000000000400000-0x000000000040A000-memory.dmp

memory/1628-15-0x0000000002B90000-0x0000000002F90000-memory.dmp

memory/1628-14-0x0000000001ED0000-0x0000000001ED1000-memory.dmp

memory/1628-16-0x0000000000400000-0x000000000040A000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\CabF3A4.tmp

MD5 49aebf8cbd62d92ac215b2923fb1b9f5
SHA1 1723be06719828dda65ad804298d0431f6aff976
SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512 bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

C:\Users\Admin\AppData\Local\Temp\TarF3B7.tmp

MD5 4ea6026cf93ec6338144661bf1202cd1
SHA1 a1dec9044f750ad887935a01430bf49322fbdcb7
SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA512 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-13 07:35

Reported

2024-09-13 07:38

Platform

win10v2004-20240802-en

Max time kernel

141s

Max time network

143s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ddf779787b9403c02345a5d73552aaf4_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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\ddf779787b9403c02345a5d73552aaf4_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\ddf779787b9403c02345a5d73552aaf4_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\ddf779787b9403c02345a5d73552aaf4_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\ddf779787b9403c02345a5d73552aaf4_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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.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 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 36.249.124.192.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 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.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 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 8.8.8.8:53 19.229.111.52.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 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 3.33.130.190:443 cry-havok.org tcp

Files

memory/1788-0-0x0000000000400000-0x000000000040A000-memory.dmp

memory/1788-1-0x0000000002190000-0x0000000002191000-memory.dmp

memory/1788-3-0x00000000026A0000-0x0000000002AA0000-memory.dmp

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

MD5 2157e3f8e41125801f017738d1d43e9c
SHA1 278b0027c26460be204a89284f02307aff3fe18f
SHA256 7f042a6299e71e0046ca3d15b10590365fbf165f3b355203cc5075e149dec9db
SHA512 71b5ba87ff32474a1588573c43a459e3f12510c57a1175909f8f39b7addf0695aef965026ed386d21a1595ac16ba3577dd1f93857d6df3d53cc0a603587d22ff

memory/1788-12-0x0000000000400000-0x000000000040A000-memory.dmp

memory/3992-14-0x0000000002590000-0x0000000002990000-memory.dmp

memory/3992-13-0x00000000020D0000-0x00000000020D1000-memory.dmp

memory/3992-21-0x0000000000400000-0x000000000040A000-memory.dmp