Malware Analysis Report

2024-10-16 05:12

Sample ID 231020-tc9byaef62
Target NEAS.0c4b1ed7cdd35f99ca402d4a8bfb3800.exe
SHA256 2626aec66894cf1c7694f4daf836207f2d830ba27df4995471ac8a860ba29e23
Tags
upx ammyyadmin 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

2626aec66894cf1c7694f4daf836207f2d830ba27df4995471ac8a860ba29e23

Threat Level: Known bad

The file NEAS.0c4b1ed7cdd35f99ca402d4a8bfb3800.exe was found to be: Known bad.

Malicious Activity Summary

upx ammyyadmin rat

Ammyy Admin

AmmyyAdmin payload

Ammyyadmin family

Executes dropped EXE

Loads dropped DLL

UPX packed file

Checks computer location settings

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-10-20 15:55

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: behavioral1

Detonation Overview

Submitted

2023-10-20 15:55

Reported

2023-10-20 16:11

Platform

win7-20230831-en

Max time kernel

167s

Max time network

172s

Command Line

"C:\Users\Admin\AppData\Local\Temp\NEAS.0c4b1ed7cdd35f99ca402d4a8bfb3800.exe"

Signatures

Ammyy Admin

rat ammyyadmin

AmmyyAdmin payload

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

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\NEAS.0c4b1ed7cdd35f99ca402d4a8bfb3800.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
N/A N/A N/A N/A
N/A N/A N/A N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\NEAS.0c4b1ed7cdd35f99ca402d4a8bfb3800.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.0c4b1ed7cdd35f99ca402d4a8bfb3800.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
HK 154.215.106.35:443 maitikio.com tcp
HK 154.215.106.35:443 maitikio.com tcp
HK 154.215.106.35:443 maitikio.com tcp
HK 154.215.106.35:443 maitikio.com tcp
US 8.8.8.8:53 cry-havok.org udp
HK 154.215.106.35:443 maitikio.com tcp
HK 154.215.106.35:443 maitikio.com tcp
HK 154.215.106.35:443 maitikio.com tcp
HK 154.215.106.35:443 maitikio.com tcp
HK 154.215.106.35:443 maitikio.com tcp
HK 154.215.106.35:443 maitikio.com tcp
HK 154.215.106.35:443 maitikio.com tcp
HK 154.215.106.35:443 maitikio.com tcp
HK 154.215.106.35:443 maitikio.com tcp
HK 154.215.106.35:443 maitikio.com tcp
HK 154.215.106.35:443 maitikio.com tcp
HK 154.215.106.35:443 maitikio.com tcp
HK 154.215.106.35:443 maitikio.com tcp
HK 154.215.106.35:443 maitikio.com tcp
HK 154.215.106.35:443 maitikio.com tcp
HK 154.215.106.35:443 maitikio.com tcp
HK 154.215.106.35:443 maitikio.com tcp
HK 154.215.106.35:443 maitikio.com tcp
HK 154.215.106.35:443 maitikio.com tcp
HK 154.215.106.35:443 maitikio.com tcp
HK 154.215.106.35:443 maitikio.com tcp
HK 154.215.106.35:443 maitikio.com tcp
HK 154.215.106.35:443 maitikio.com tcp
HK 154.215.106.35:443 maitikio.com tcp
HK 154.215.106.35:443 maitikio.com tcp
HK 154.215.106.35:443 maitikio.com tcp
HK 154.215.106.35:443 maitikio.com tcp
HK 154.215.106.35:443 maitikio.com tcp
HK 154.215.106.35:443 maitikio.com tcp
HK 154.215.106.35:443 maitikio.com tcp
HK 154.215.106.35:443 maitikio.com tcp
HK 154.215.106.35:443 maitikio.com tcp
HK 154.215.106.35:443 maitikio.com tcp
HK 154.215.106.35:443 maitikio.com tcp

Files

memory/2180-0-0x0000000000400000-0x0000000000410000-memory.dmp

memory/2180-1-0x00000000004B0000-0x00000000004B1000-memory.dmp

memory/2180-4-0x00000000027B0000-0x0000000002BB0000-memory.dmp

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

MD5 62c871d2f55a0087debfc06c9367bdbe
SHA1 3bb91e64645b0108009af97e18e80edbb4d8ee13
SHA256 463ddc4f5b1a450771d4ebda8adad367e0be3f8d358d1e00546e75bc09d4195f
SHA512 ee13028b6e0276e4b4550f6dfd49287d37ffc0669692a4bf1736e5819a9565bff87c6ed5c95ed84f162a47718b9c7c91ab757c4e8c8ed0fd194a1ac6c92d8955

memory/2180-8-0x0000000000400000-0x0000000000410000-memory.dmp

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

MD5 62c871d2f55a0087debfc06c9367bdbe
SHA1 3bb91e64645b0108009af97e18e80edbb4d8ee13
SHA256 463ddc4f5b1a450771d4ebda8adad367e0be3f8d358d1e00546e75bc09d4195f
SHA512 ee13028b6e0276e4b4550f6dfd49287d37ffc0669692a4bf1736e5819a9565bff87c6ed5c95ed84f162a47718b9c7c91ab757c4e8c8ed0fd194a1ac6c92d8955

memory/1736-10-0x0000000000400000-0x0000000000410000-memory.dmp

memory/1736-11-0x0000000001ED0000-0x0000000001ED1000-memory.dmp

memory/1736-13-0x00000000027C0000-0x0000000002BC0000-memory.dmp

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

MD5 62c871d2f55a0087debfc06c9367bdbe
SHA1 3bb91e64645b0108009af97e18e80edbb4d8ee13
SHA256 463ddc4f5b1a450771d4ebda8adad367e0be3f8d358d1e00546e75bc09d4195f
SHA512 ee13028b6e0276e4b4550f6dfd49287d37ffc0669692a4bf1736e5819a9565bff87c6ed5c95ed84f162a47718b9c7c91ab757c4e8c8ed0fd194a1ac6c92d8955

memory/1736-14-0x0000000000400000-0x0000000000410000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-10-20 15:55

Reported

2023-10-20 16:12

Platform

win10v2004-20230915-en

Max time kernel

151s

Max time network

167s

Command Line

"C:\Users\Admin\AppData\Local\Temp\NEAS.0c4b1ed7cdd35f99ca402d4a8bfb3800.exe"

Signatures

Ammyy Admin

rat ammyyadmin

AmmyyAdmin payload

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\NEAS.0c4b1ed7cdd35f99ca402d4a8bfb3800.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
N/A N/A N/A N/A
N/A N/A N/A N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\NEAS.0c4b1ed7cdd35f99ca402d4a8bfb3800.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.0c4b1ed7cdd35f99ca402d4a8bfb3800.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 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 112.208.253.8.in-addr.arpa udp
US 8.8.8.8:53 maitikio.com udp
HK 154.215.106.35:443 maitikio.com tcp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
HK 154.215.106.35:443 maitikio.com tcp
US 8.8.8.8:53 cry-havok.org udp
HK 154.215.106.35:443 maitikio.com tcp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
HK 154.215.106.35:443 maitikio.com tcp
US 8.8.8.8:53 cry-havok.org udp
HK 154.215.106.35:443 maitikio.com tcp
HK 154.215.106.35:443 maitikio.com tcp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 cry-havok.org udp
HK 154.215.106.35:443 maitikio.com tcp
HK 154.215.106.35:443 maitikio.com tcp
US 8.8.8.8:53 cry-havok.org udp
HK 154.215.106.35:443 maitikio.com tcp
HK 154.215.106.35:443 maitikio.com tcp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 cry-havok.org udp
HK 154.215.106.35:443 maitikio.com tcp
US 8.8.8.8:53 126.21.238.8.in-addr.arpa udp
HK 154.215.106.35:443 maitikio.com tcp
US 8.8.8.8:53 cry-havok.org udp
HK 154.215.106.35:443 maitikio.com tcp
HK 154.215.106.35:443 maitikio.com tcp
US 8.8.8.8:53 cry-havok.org udp
HK 154.215.106.35:443 maitikio.com tcp
HK 154.215.106.35:443 maitikio.com tcp
US 8.8.8.8:53 cry-havok.org udp
HK 154.215.106.35:443 maitikio.com tcp
HK 154.215.106.35:443 maitikio.com tcp
US 8.8.8.8:53 cry-havok.org udp
HK 154.215.106.35:443 maitikio.com tcp
HK 154.215.106.35:443 maitikio.com tcp
US 8.8.8.8:53 cry-havok.org udp
HK 154.215.106.35:443 maitikio.com tcp
HK 154.215.106.35:443 maitikio.com tcp
US 8.8.8.8:53 cry-havok.org udp
HK 154.215.106.35:443 maitikio.com tcp
HK 154.215.106.35:443 maitikio.com tcp
US 8.8.8.8:53 cry-havok.org udp
HK 154.215.106.35:443 maitikio.com tcp
HK 154.215.106.35:443 maitikio.com tcp
US 8.8.8.8:53 cry-havok.org udp
HK 154.215.106.35:443 maitikio.com tcp
HK 154.215.106.35:443 maitikio.com tcp
US 8.8.8.8:53 cry-havok.org udp
HK 154.215.106.35:443 maitikio.com tcp
HK 154.215.106.35:443 maitikio.com tcp
US 8.8.8.8:53 cry-havok.org udp
HK 154.215.106.35:443 maitikio.com tcp
HK 154.215.106.35:443 maitikio.com tcp
US 8.8.8.8:53 cry-havok.org udp
HK 154.215.106.35:443 maitikio.com tcp
HK 154.215.106.35:443 maitikio.com tcp
US 8.8.8.8:53 cry-havok.org udp
HK 154.215.106.35:443 maitikio.com tcp
HK 154.215.106.35:443 maitikio.com tcp
US 8.8.8.8:53 cry-havok.org udp
HK 154.215.106.35:443 maitikio.com tcp
HK 154.215.106.35:443 maitikio.com tcp
US 8.8.8.8:53 cry-havok.org udp
HK 154.215.106.35:443 maitikio.com tcp
HK 154.215.106.35:443 maitikio.com tcp
US 8.8.8.8:53 cry-havok.org udp
HK 154.215.106.35:443 maitikio.com tcp
US 8.8.8.8:53 8.179.89.13.in-addr.arpa udp
HK 154.215.106.35:443 maitikio.com tcp
US 8.8.8.8:53 cry-havok.org udp
HK 154.215.106.35:443 maitikio.com tcp
HK 154.215.106.35:443 maitikio.com tcp
US 8.8.8.8:53 cry-havok.org udp
HK 154.215.106.35:443 maitikio.com tcp
HK 154.215.106.35:443 maitikio.com tcp
US 8.8.8.8:53 cry-havok.org udp
HK 154.215.106.35:443 maitikio.com tcp

Files

memory/4520-0-0x0000000000400000-0x0000000000410000-memory.dmp

memory/4520-1-0x00000000021F0000-0x00000000021F1000-memory.dmp

memory/4520-3-0x0000000002740000-0x0000000002B40000-memory.dmp

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

MD5 62c871d2f55a0087debfc06c9367bdbe
SHA1 3bb91e64645b0108009af97e18e80edbb4d8ee13
SHA256 463ddc4f5b1a450771d4ebda8adad367e0be3f8d358d1e00546e75bc09d4195f
SHA512 ee13028b6e0276e4b4550f6dfd49287d37ffc0669692a4bf1736e5819a9565bff87c6ed5c95ed84f162a47718b9c7c91ab757c4e8c8ed0fd194a1ac6c92d8955

memory/1224-11-0x0000000000400000-0x0000000000410000-memory.dmp

memory/4520-12-0x0000000000400000-0x0000000000410000-memory.dmp

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

MD5 62c871d2f55a0087debfc06c9367bdbe
SHA1 3bb91e64645b0108009af97e18e80edbb4d8ee13
SHA256 463ddc4f5b1a450771d4ebda8adad367e0be3f8d358d1e00546e75bc09d4195f
SHA512 ee13028b6e0276e4b4550f6dfd49287d37ffc0669692a4bf1736e5819a9565bff87c6ed5c95ed84f162a47718b9c7c91ab757c4e8c8ed0fd194a1ac6c92d8955

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

MD5 62c871d2f55a0087debfc06c9367bdbe
SHA1 3bb91e64645b0108009af97e18e80edbb4d8ee13
SHA256 463ddc4f5b1a450771d4ebda8adad367e0be3f8d358d1e00546e75bc09d4195f
SHA512 ee13028b6e0276e4b4550f6dfd49287d37ffc0669692a4bf1736e5819a9565bff87c6ed5c95ed84f162a47718b9c7c91ab757c4e8c8ed0fd194a1ac6c92d8955

memory/1224-13-0x00000000023C0000-0x00000000023C1000-memory.dmp

memory/1224-14-0x0000000002710000-0x0000000002B10000-memory.dmp

memory/1224-15-0x0000000000400000-0x0000000000410000-memory.dmp