Malware Analysis Report

2024-10-16 05:10

Sample ID 240908-yrdwssshnl
Target d50726f8e2d82631d109d590761be2ba_JaffaCakes118
SHA256 98ede4d6ec77319d6523769e18eaac98f47b01e972f6a5f20bc5cf81a5c37678
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

98ede4d6ec77319d6523769e18eaac98f47b01e972f6a5f20bc5cf81a5c37678

Threat Level: Known bad

The file d50726f8e2d82631d109d590761be2ba_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

ammyyadmin discovery rat

Ammyyadmin family

Ammyy Admin

AmmyyAdmin payload

Loads dropped DLL

Checks computer location settings

Executes dropped EXE

Unsigned PE

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-08 20:00

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

2024-09-08 20:00

Reported

2024-09-08 20:03

Platform

win7-20240903-en

Max time kernel

140s

Max time network

138s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d50726f8e2d82631d109d590761be2ba_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\d50726f8e2d82631d109d590761be2ba_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\d50726f8e2d82631d109d590761be2ba_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\d50726f8e2d82631d109d590761be2ba_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\d50726f8e2d82631d109d590761be2ba_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

Files

memory/2380-0-0x0000000000400000-0x000000000040A000-memory.dmp

memory/2380-3-0x0000000002B40000-0x0000000002F40000-memory.dmp

memory/2380-1-0x0000000001E00000-0x0000000001E01000-memory.dmp

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

MD5 e4a77eef7c966ecfa13c97b19755e370
SHA1 2bd801b1c57cddece292d99c00d383962e566831
SHA256 628c4e58e097b857363ec578870390a36fdd807e02904b591eb492197ddfacb2
SHA512 d6744b7b9725213f4ca708f5afbb517d931e0dcfe1cf059ed27b0ded977772c5cc294949132449a8f0899bc5274a23c6df26c7ef473b0d011310f7b749b18cac

memory/2380-9-0x0000000000400000-0x000000000040A000-memory.dmp

memory/2148-10-0x0000000001E50000-0x0000000001E51000-memory.dmp

memory/2148-12-0x0000000002C10000-0x0000000003010000-memory.dmp

memory/2148-13-0x0000000000400000-0x000000000040A000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\CabC90B.tmp

MD5 49aebf8cbd62d92ac215b2923fb1b9f5
SHA1 1723be06719828dda65ad804298d0431f6aff976
SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512 bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

C:\Users\Admin\AppData\Local\Temp\TarC92E.tmp

MD5 4ea6026cf93ec6338144661bf1202cd1
SHA1 a1dec9044f750ad887935a01430bf49322fbdcb7
SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA512 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-08 20:00

Reported

2024-09-08 20:03

Platform

win10v2004-20240802-en

Max time kernel

141s

Max time network

143s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d50726f8e2d82631d109d590761be2ba_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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\d50726f8e2d82631d109d590761be2ba_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\d50726f8e2d82631d109d590761be2ba_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\d50726f8e2d82631d109d590761be2ba_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\d50726f8e2d82631d109d590761be2ba_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 97.17.167.52.in-addr.arpa udp
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 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 33.148.197.15.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 15.197.148.33:443 cry-havok.org tcp
US 8.8.8.8:53 36.249.124.192.in-addr.arpa udp
US 8.8.8.8:53 maitikio.com udp
US 15.197.148.33:443 cry-havok.org tcp
US 8.8.8.8:53 59.170.16.2.in-addr.arpa udp
US 8.8.8.8:53 maitikio.com udp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 8.8.8.8:53 maitikio.com 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 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 maitikio.com udp
US 15.197.148.33:443 cry-havok.org tcp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 maitikio.com udp
US 15.197.148.33:443 cry-havok.org tcp
US 8.8.8.8:53 maitikio.com 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 8.8.8.8:53 maitikio.com 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 8.8.8.8:53 maitikio.com udp
US 15.197.148.33:443 cry-havok.org tcp
US 8.8.8.8:53 maitikio.com 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 8.8.8.8:53 maitikio.com udp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp

Files

memory/672-0-0x0000000000400000-0x000000000040A000-memory.dmp

memory/672-1-0x0000000000990000-0x0000000000991000-memory.dmp

memory/672-3-0x00000000026D0000-0x0000000002AD0000-memory.dmp

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

MD5 e4a77eef7c966ecfa13c97b19755e370
SHA1 2bd801b1c57cddece292d99c00d383962e566831
SHA256 628c4e58e097b857363ec578870390a36fdd807e02904b591eb492197ddfacb2
SHA512 d6744b7b9725213f4ca708f5afbb517d931e0dcfe1cf059ed27b0ded977772c5cc294949132449a8f0899bc5274a23c6df26c7ef473b0d011310f7b749b18cac

memory/1360-11-0x0000000000400000-0x000000000040A000-memory.dmp

memory/672-13-0x0000000000400000-0x000000000040A000-memory.dmp

memory/1360-14-0x00000000001F0000-0x00000000001F1000-memory.dmp

memory/1360-15-0x0000000002570000-0x0000000002970000-memory.dmp

memory/1360-16-0x0000000000400000-0x000000000040A000-memory.dmp