Malware Analysis Report

2024-10-16 05:09

Sample ID 240918-y49t1a1gmd
Target e9e84465e64e3ad0e0812bdc0b62699d_JaffaCakes118
SHA256 ecb8b476757d780fc1bdd23a4b76a40fa7f4df32fa684ac51779ad73a6e5c5f7
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

ecb8b476757d780fc1bdd23a4b76a40fa7f4df32fa684ac51779ad73a6e5c5f7

Threat Level: Known bad

The file e9e84465e64e3ad0e0812bdc0b62699d_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

ammyyadmin discovery rat

Ammyy Admin

AmmyyAdmin payload

Ammyyadmin family

Checks computer location settings

Loads dropped DLL

Executes dropped EXE

System Location Discovery: System Language Discovery

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-18 20:21

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

2024-09-18 20:21

Reported

2024-09-18 20:24

Platform

win7-20240708-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e9e84465e64e3ad0e0812bdc0b62699d_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\e9e84465e64e3ad0e0812bdc0b62699d_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\e9e84465e64e3ad0e0812bdc0b62699d_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\e9e84465e64e3ad0e0812bdc0b62699d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\e9e84465e64e3ad0e0812bdc0b62699d_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/2412-0-0x0000000000400000-0x000000000040A000-memory.dmp

memory/2412-1-0x0000000001E70000-0x0000000001E71000-memory.dmp

memory/2412-3-0x0000000002C00000-0x0000000003000000-memory.dmp

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

MD5 faacf6d7e69411993b53c9a76fb04078
SHA1 1c296da693ff456fe9c168cd52bda102255856bd
SHA256 934647e04c22283c665ffe7352249f20b2ebee0a895f227e4500c60bcf651bf2
SHA512 a20b36aaedef394075744acb5a851f130a268f31dc28865e7e3d6dd9e1c81339d4180103ea4fde425f716f8d597f284af2ee6f885c2314b55cd33db289d21b69

memory/2328-12-0x0000000000400000-0x000000000040A000-memory.dmp

memory/2412-11-0x0000000000400000-0x000000000040A000-memory.dmp

memory/2412-8-0x0000000001E60000-0x0000000001E6A000-memory.dmp

memory/2328-14-0x0000000001D20000-0x0000000001D21000-memory.dmp

memory/2328-15-0x0000000002AE0000-0x0000000002EE0000-memory.dmp

memory/2328-16-0x0000000000400000-0x000000000040A000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Cab1BCC.tmp

MD5 49aebf8cbd62d92ac215b2923fb1b9f5
SHA1 1723be06719828dda65ad804298d0431f6aff976
SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512 bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

C:\Users\Admin\AppData\Local\Temp\Tar1BDF.tmp

MD5 4ea6026cf93ec6338144661bf1202cd1
SHA1 a1dec9044f750ad887935a01430bf49322fbdcb7
SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA512 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-18 20:21

Reported

2024-09-18 20:24

Platform

win10v2004-20240802-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e9e84465e64e3ad0e0812bdc0b62699d_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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\e9e84465e64e3ad0e0812bdc0b62699d_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\e9e84465e64e3ad0e0812bdc0b62699d_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\e9e84465e64e3ad0e0812bdc0b62699d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\e9e84465e64e3ad0e0812bdc0b62699d_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 8.8.8.8:53 228.249.119.40.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 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 190.130.33.3.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 36.211.201.84.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 22.249.124.192.in-addr.arpa udp
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 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 maitikio.com udp
US 3.33.130.190:443 cry-havok.org tcp
US 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 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

Files

memory/3240-0-0x0000000000400000-0x000000000040A000-memory.dmp

memory/3240-1-0x0000000000930000-0x0000000000931000-memory.dmp

memory/3240-3-0x00000000026E0000-0x0000000002AE0000-memory.dmp

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

MD5 faacf6d7e69411993b53c9a76fb04078
SHA1 1c296da693ff456fe9c168cd52bda102255856bd
SHA256 934647e04c22283c665ffe7352249f20b2ebee0a895f227e4500c60bcf651bf2
SHA512 a20b36aaedef394075744acb5a851f130a268f31dc28865e7e3d6dd9e1c81339d4180103ea4fde425f716f8d597f284af2ee6f885c2314b55cd33db289d21b69

memory/3240-12-0x0000000000400000-0x000000000040A000-memory.dmp

memory/4388-14-0x0000000002570000-0x0000000002970000-memory.dmp

memory/4388-13-0x0000000000750000-0x0000000000751000-memory.dmp

memory/4388-15-0x0000000000400000-0x000000000040A000-memory.dmp