Malware Analysis Report

2024-10-16 05:10

Sample ID 240904-ncvwnazgjd
Target c0b351255c840115a53ed773740755870f08253fbd6d4ee104a0cda045cf206d
SHA256 c0b351255c840115a53ed773740755870f08253fbd6d4ee104a0cda045cf206d
Tags
ammyyadmin discovery rat upx
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

c0b351255c840115a53ed773740755870f08253fbd6d4ee104a0cda045cf206d

Threat Level: Known bad

The file c0b351255c840115a53ed773740755870f08253fbd6d4ee104a0cda045cf206d was found to be: Known bad.

Malicious Activity Summary

ammyyadmin discovery rat upx

Ammyyadmin family

Ammyy Admin

AmmyyAdmin payload

UPX packed file

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

2024-09-04 11:15

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
N/A N/A N/A N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-04 11:15

Reported

2024-09-04 11:18

Platform

win10v2004-20240802-en

Max time kernel

141s

Max time network

136s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c0b351255c840115a53ed773740755870f08253fbd6d4ee104a0cda045cf206d.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-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\c0b351255c840115a53ed773740755870f08253fbd6d4ee104a0cda045cf206d.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\c0b351255c840115a53ed773740755870f08253fbd6d4ee104a0cda045cf206d.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\c0b351255c840115a53ed773740755870f08253fbd6d4ee104a0cda045cf206d.exe

"C:\Users\Admin\AppData\Local\Temp\c0b351255c840115a53ed773740755870f08253fbd6d4ee104a0cda045cf206d.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 8.8.8.8:53 154.239.44.20.in-addr.arpa 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 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 24.249.124.192.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.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 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.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 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 8.8.8.8:53 43.229.111.52.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 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 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 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

Files

memory/4408-0-0x0000000000400000-0x000000000040F000-memory.dmp

memory/4408-1-0x00000000023D0000-0x00000000023D1000-memory.dmp

memory/4408-3-0x0000000002720000-0x0000000002B20000-memory.dmp

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

MD5 b7845e91534a90461018856da394d4b7
SHA1 3abfd3444364bd1bcca25dd7bceb443b5fa47be0
SHA256 ec7d6b500a30b6563bcf760f1edf644b9634d1062ed93516f39d7ae433c169c9
SHA512 ecb607862960ca9bfa7481fbb968a407cbcb901d0b4eac098ba90f710547c527d02bbadcdfbde11c37e96e29a18b7b83ea80acb5ce311965484460238ee8ea33

memory/4824-11-0x0000000000400000-0x000000000040F000-memory.dmp

memory/4408-13-0x0000000000400000-0x000000000040F000-memory.dmp

memory/4824-15-0x0000000002570000-0x0000000002970000-memory.dmp

memory/4824-14-0x0000000002080000-0x0000000002081000-memory.dmp

memory/4824-22-0x0000000000400000-0x000000000040F000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-04 11:15

Reported

2024-09-04 11:18

Platform

win7-20240903-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c0b351255c840115a53ed773740755870f08253fbd6d4ee104a0cda045cf206d.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

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\c0b351255c840115a53ed773740755870f08253fbd6d4ee104a0cda045cf206d.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\c0b351255c840115a53ed773740755870f08253fbd6d4ee104a0cda045cf206d.exe

"C:\Users\Admin\AppData\Local\Temp\c0b351255c840115a53ed773740755870f08253fbd6d4ee104a0cda045cf206d.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
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/1800-0-0x0000000000400000-0x000000000040F000-memory.dmp

memory/1800-1-0x0000000001EC0000-0x0000000001EC1000-memory.dmp

memory/1800-4-0x0000000002AA0000-0x0000000002EA0000-memory.dmp

memory/1800-7-0x0000000003210000-0x000000000321F000-memory.dmp

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

MD5 b7845e91534a90461018856da394d4b7
SHA1 3abfd3444364bd1bcca25dd7bceb443b5fa47be0
SHA256 ec7d6b500a30b6563bcf760f1edf644b9634d1062ed93516f39d7ae433c169c9
SHA512 ecb607862960ca9bfa7481fbb968a407cbcb901d0b4eac098ba90f710547c527d02bbadcdfbde11c37e96e29a18b7b83ea80acb5ce311965484460238ee8ea33

memory/1140-10-0x0000000000400000-0x000000000040F000-memory.dmp

memory/1800-12-0x0000000000400000-0x000000000040F000-memory.dmp

memory/1140-14-0x0000000000320000-0x0000000000321000-memory.dmp

memory/1140-15-0x0000000000400000-0x000000000040F000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\CabD0E8.tmp

MD5 49aebf8cbd62d92ac215b2923fb1b9f5
SHA1 1723be06719828dda65ad804298d0431f6aff976
SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512 bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

C:\Users\Admin\AppData\Local\Temp\TarD11A.tmp

MD5 4ea6026cf93ec6338144661bf1202cd1
SHA1 a1dec9044f750ad887935a01430bf49322fbdcb7
SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA512 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b