Malware Analysis Report

2024-10-16 05:09

Sample ID 241003-xfz48a1brj
Target e767b18f53a8ddbcbbe1b105a6e258099dce097b0de621c017270767aa7efe0fN
SHA256 e767b18f53a8ddbcbbe1b105a6e258099dce097b0de621c017270767aa7efe0f
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

e767b18f53a8ddbcbbe1b105a6e258099dce097b0de621c017270767aa7efe0f

Threat Level: Known bad

The file e767b18f53a8ddbcbbe1b105a6e258099dce097b0de621c017270767aa7efe0fN was found to be: Known bad.

Malicious Activity Summary

ammyyadmin discovery rat upx

Ammyyadmin family

Ammyy Admin

AmmyyAdmin payload

Executes dropped EXE

Checks computer location settings

Loads dropped DLL

UPX packed file

Unsigned PE

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-03 18:48

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-03 18:48

Reported

2024-10-03 18:50

Platform

win10v2004-20240910-en

Max time kernel

120s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e767b18f53a8ddbcbbe1b105a6e258099dce097b0de621c017270767aa7efe0fN.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-1-5-21-2629364133-3182087385-364449604-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\e767b18f53a8ddbcbbe1b105a6e258099dce097b0de621c017270767aa7efe0fN.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

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\e767b18f53a8ddbcbbe1b105a6e258099dce097b0de621c017270767aa7efe0fN.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\e767b18f53a8ddbcbbe1b105a6e258099dce097b0de621c017270767aa7efe0fN.exe

"C:\Users\Admin\AppData\Local\Temp\e767b18f53a8ddbcbbe1b105a6e258099dce097b0de621c017270767aa7efe0fN.exe"

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 maitikio.com udp
US 8.8.8.8:53 cry-havok.org udp
US 3.33.130.190:443 cry-havok.org tcp
US 8.8.8.8:53 99.209.201.84.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 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 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 26.35.223.20.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 3.33.130.190:443 cry-havok.org tcp
US 8.8.8.8:53 149.220.183.52.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 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 20.189.173.13:443 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 8.8.8.8:53 0.204.248.87.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 8.8.8.8:53 57.169.31.20.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 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 3.33.130.190:443 cry-havok.org tcp
US 8.8.8.8:53 10.28.171.150.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 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 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

Files

memory/372-0-0x0000000000400000-0x0000000000410000-memory.dmp

memory/372-1-0x0000000002110000-0x0000000002111000-memory.dmp

memory/372-3-0x00000000025A0000-0x00000000029A0000-memory.dmp

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

MD5 071013a2c6dd643793025b10f964cdf2
SHA1 b2b20e7d2ddc209e2b9a5ffb21246c1a11863be2
SHA256 e10f5c17f7ad620d6603d570260f412f0c14dd4e9222950a6642535faac009ac
SHA512 8585985c4625e1405df186308cd78a7d491c61375cdf4dbc4c1990489a006781bd3cea7c1da4db74f8bd0cfb13ee0d7004b196410574de5196dab2d4d072ad83

memory/372-11-0x0000000000400000-0x0000000000410000-memory.dmp

memory/4476-12-0x0000000002240000-0x0000000002241000-memory.dmp

memory/4476-13-0x0000000002610000-0x0000000002A10000-memory.dmp

memory/4476-20-0x0000000000400000-0x0000000000410000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-03 18:48

Reported

2024-10-03 18:50

Platform

win7-20240903-en

Max time kernel

105s

Max time network

106s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e767b18f53a8ddbcbbe1b105a6e258099dce097b0de621c017270767aa7efe0fN.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\e767b18f53a8ddbcbbe1b105a6e258099dce097b0de621c017270767aa7efe0fN.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\e767b18f53a8ddbcbbe1b105a6e258099dce097b0de621c017270767aa7efe0fN.exe

"C:\Users\Admin\AppData\Local\Temp\e767b18f53a8ddbcbbe1b105a6e258099dce097b0de621c017270767aa7efe0fN.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
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/2428-0-0x0000000000400000-0x0000000000410000-memory.dmp

memory/2428-1-0x0000000001E20000-0x0000000001E21000-memory.dmp

memory/2428-3-0x0000000002AE0000-0x0000000002EE0000-memory.dmp

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

MD5 071013a2c6dd643793025b10f964cdf2
SHA1 b2b20e7d2ddc209e2b9a5ffb21246c1a11863be2
SHA256 e10f5c17f7ad620d6603d570260f412f0c14dd4e9222950a6642535faac009ac
SHA512 8585985c4625e1405df186308cd78a7d491c61375cdf4dbc4c1990489a006781bd3cea7c1da4db74f8bd0cfb13ee0d7004b196410574de5196dab2d4d072ad83

memory/2428-10-0x0000000000400000-0x0000000000410000-memory.dmp

memory/2428-9-0x0000000003360000-0x0000000003370000-memory.dmp

memory/2256-12-0x0000000000520000-0x0000000000521000-memory.dmp

memory/2256-13-0x0000000002B90000-0x0000000002F90000-memory.dmp

memory/2256-21-0x0000000000400000-0x0000000000410000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\CabD22F.tmp

MD5 49aebf8cbd62d92ac215b2923fb1b9f5
SHA1 1723be06719828dda65ad804298d0431f6aff976
SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512 bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

C:\Users\Admin\AppData\Local\Temp\TarD271.tmp

MD5 4ea6026cf93ec6338144661bf1202cd1
SHA1 a1dec9044f750ad887935a01430bf49322fbdcb7
SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA512 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b