Malware Analysis Report

2024-10-16 05:10

Sample ID 240803-y3khqayeph
Target d3ab12894e95093c60a28b62ca078cb0N.exe
SHA256 aaac43e0292df694407da2c0618da9593a363ed5a7a59d854c128cdb26208b0c
Tags
upx 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

aaac43e0292df694407da2c0618da9593a363ed5a7a59d854c128cdb26208b0c

Threat Level: Known bad

The file d3ab12894e95093c60a28b62ca078cb0N.exe was found to be: Known bad.

Malicious Activity Summary

upx ammyyadmin discovery rat

Ammyyadmin family

Ammyy Admin

AmmyyAdmin payload

Loads dropped DLL

UPX packed file

Checks computer location settings

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

2024-08-03 20:18

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

2024-08-03 20:18

Reported

2024-08-03 20:20

Platform

win7-20240729-en

Max time kernel

119s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d3ab12894e95093c60a28b62ca078cb0N.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\d3ab12894e95093c60a28b62ca078cb0N.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\d3ab12894e95093c60a28b62ca078cb0N.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\d3ab12894e95093c60a28b62ca078cb0N.exe

"C:\Users\Admin\AppData\Local\Temp\d3ab12894e95093c60a28b62ca078cb0N.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

Files

memory/2212-0-0x0000000000400000-0x0000000000410000-memory.dmp

memory/2212-2-0x00000000001B0000-0x00000000001B1000-memory.dmp

memory/2212-3-0x00000000032A0000-0x00000000036A0000-memory.dmp

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

MD5 2bbcd3e571720ca210ec6f502883cadc
SHA1 07a81bac275162e511db8cfa5e8834e6f3eab1a0
SHA256 103c5936135c6b7143b35734f49f7359cd8f1160ec7637bcccd7c1c881594469
SHA512 ba94cc7033cb5603d3ebf16b803dd5e038ecf531858510e14d622d0aa9a94da8632d2ff7355aeb75c7212d5aa3aac41c9060cf9af4a77a8173871dcc96d43a17

memory/2152-10-0x0000000000400000-0x0000000000410000-memory.dmp

memory/2212-9-0x0000000003B40000-0x0000000003B50000-memory.dmp

memory/2212-11-0x0000000000400000-0x0000000000410000-memory.dmp

memory/2152-12-0x0000000001FD0000-0x0000000001FD1000-memory.dmp

memory/2152-14-0x0000000003390000-0x0000000003790000-memory.dmp

memory/2152-15-0x0000000000400000-0x0000000000410000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-03 20:18

Reported

2024-08-03 20:20

Platform

win10v2004-20240802-en

Max time kernel

94s

Max time network

100s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d3ab12894e95093c60a28b62ca078cb0N.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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\d3ab12894e95093c60a28b62ca078cb0N.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\d3ab12894e95093c60a28b62ca078cb0N.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\d3ab12894e95093c60a28b62ca078cb0N.exe

"C:\Users\Admin\AppData\Local\Temp\d3ab12894e95093c60a28b62ca078cb0N.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 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 98.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 maitikio.com udp
US 8.8.8.8:53 cry-havok.org udp
US 8.8.8.8:53 maitikio.com udp
US 8.8.8.8:53 cry-havok.org udp
US 8.8.8.8:53 maitikio.com udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 18.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp

Files

memory/820-0-0x0000000000400000-0x0000000000410000-memory.dmp

memory/820-1-0x00000000022B0000-0x00000000022B1000-memory.dmp

memory/820-3-0x0000000002600000-0x0000000002A00000-memory.dmp

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

MD5 2bbcd3e571720ca210ec6f502883cadc
SHA1 07a81bac275162e511db8cfa5e8834e6f3eab1a0
SHA256 103c5936135c6b7143b35734f49f7359cd8f1160ec7637bcccd7c1c881594469
SHA512 ba94cc7033cb5603d3ebf16b803dd5e038ecf531858510e14d622d0aa9a94da8632d2ff7355aeb75c7212d5aa3aac41c9060cf9af4a77a8173871dcc96d43a17

memory/2256-12-0x0000000000400000-0x0000000000410000-memory.dmp

memory/820-11-0x0000000000400000-0x0000000000410000-memory.dmp

memory/2256-14-0x00000000025B0000-0x00000000029B0000-memory.dmp

memory/2256-13-0x0000000002160000-0x0000000002161000-memory.dmp

memory/2256-15-0x0000000000400000-0x0000000000410000-memory.dmp