Malware Analysis Report

2025-01-02 06:55

Sample ID 241129-qv24ssxrfz
Target 45d177fa58f5866863009793a9266d1778a99a4162a40dd9f7579af8de2f691eN.exe
SHA256 45d177fa58f5866863009793a9266d1778a99a4162a40dd9f7579af8de2f691e
Tags
discovery asyncrat venomrat default 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

45d177fa58f5866863009793a9266d1778a99a4162a40dd9f7579af8de2f691e

Threat Level: Known bad

The file 45d177fa58f5866863009793a9266d1778a99a4162a40dd9f7579af8de2f691eN.exe was found to be: Known bad.

Malicious Activity Summary

discovery asyncrat venomrat default rat

Asyncrat family

VenomRAT

Venomrat family

AsyncRat

Async RAT payload

Downloads MZ/PE file

Executes dropped EXE

Checks computer location settings

Legitimate hosting services abused for malware hosting/C2

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-29 13:35

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-29 13:35

Reported

2024-11-29 13:37

Platform

win7-20240903-en

Max time kernel

15s

Max time network

16s

Command Line

"C:\Users\Admin\AppData\Local\Temp\45d177fa58f5866863009793a9266d1778a99a4162a40dd9f7579af8de2f691eN.exe"

Signatures

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A raw.githubusercontent.com N/A N/A
N/A raw.githubusercontent.com N/A N/A

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\45d177fa58f5866863009793a9266d1778a99a4162a40dd9f7579af8de2f691eN.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\45d177fa58f5866863009793a9266d1778a99a4162a40dd9f7579af8de2f691eN.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\45d177fa58f5866863009793a9266d1778a99a4162a40dd9f7579af8de2f691eN.exe

"C:\Users\Admin\AppData\Local\Temp\45d177fa58f5866863009793a9266d1778a99a4162a40dd9f7579af8de2f691eN.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 raw.githubusercontent.com udp
US 185.199.110.133:443 raw.githubusercontent.com tcp

Files

memory/2104-0-0x000000007480E000-0x000000007480F000-memory.dmp

memory/2104-1-0x0000000000A50000-0x0000000000A58000-memory.dmp

memory/2104-2-0x0000000074800000-0x0000000074EEE000-memory.dmp

memory/2104-3-0x000000007480E000-0x000000007480F000-memory.dmp

memory/2104-4-0x0000000074800000-0x0000000074EEE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-29 13:35

Reported

2024-11-29 13:37

Platform

win10v2004-20241007-en

Max time kernel

120s

Max time network

103s

Command Line

"C:\Users\Admin\AppData\Local\Temp\45d177fa58f5866863009793a9266d1778a99a4162a40dd9f7579af8de2f691eN.exe"

Signatures

AsyncRat

rat asyncrat

Asyncrat family

asyncrat

VenomRAT

rat
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

Venomrat family

venomrat

Async RAT payload

rat
Description Indicator Process Target
N/A N/A N/A N/A

Downloads MZ/PE file

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\45d177fa58f5866863009793a9266d1778a99a4162a40dd9f7579af8de2f691eN.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\mamammiaa.exe N/A

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A raw.githubusercontent.com N/A N/A
N/A raw.githubusercontent.com 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\45d177fa58f5866863009793a9266d1778a99a4162a40dd9f7579af8de2f691eN.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\45d177fa58f5866863009793a9266d1778a99a4162a40dd9f7579af8de2f691eN.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\mamammiaa.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\mamammiaa.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\45d177fa58f5866863009793a9266d1778a99a4162a40dd9f7579af8de2f691eN.exe

"C:\Users\Admin\AppData\Local\Temp\45d177fa58f5866863009793a9266d1778a99a4162a40dd9f7579af8de2f691eN.exe"

C:\Users\Admin\AppData\Local\mamammiaa.exe

"C:\Users\Admin\AppData\Local\mamammiaa.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 raw.githubusercontent.com udp
US 185.199.108.133:443 raw.githubusercontent.com tcp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 133.108.199.185.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
N/A 127.0.0.1:2231 tcp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
N/A 127.0.0.1:2231 tcp
N/A 127.0.0.1:2231 tcp
N/A 127.0.0.1:2231 tcp
N/A 127.0.0.1:2231 tcp
N/A 127.0.0.1:2231 tcp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
N/A 127.0.0.1:2231 tcp
N/A 127.0.0.1:2231 tcp
N/A 127.0.0.1:2231 tcp
N/A 127.0.0.1:2231 tcp
N/A 127.0.0.1:2231 tcp
N/A 127.0.0.1:2231 tcp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
N/A 127.0.0.1:2231 tcp
N/A 127.0.0.1:2231 tcp
N/A 127.0.0.1:2231 tcp
N/A 127.0.0.1:2231 tcp
N/A 127.0.0.1:2231 tcp
N/A 127.0.0.1:2231 tcp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
N/A 127.0.0.1:2231 tcp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
N/A 127.0.0.1:2231 tcp
N/A 127.0.0.1:2231 tcp
N/A 127.0.0.1:2231 tcp
N/A 127.0.0.1:2231 tcp
N/A 127.0.0.1:2231 tcp

Files

memory/3396-0-0x0000000074D6E000-0x0000000074D6F000-memory.dmp

memory/3396-1-0x0000000000C40000-0x0000000000C48000-memory.dmp

memory/3396-2-0x0000000074D60000-0x0000000075510000-memory.dmp

C:\Users\Admin\AppData\Local\mamammiaa.exe

MD5 d418c00d1fe56a2c3f0361c9cb213d7d
SHA1 a3a1f66520d60ab574ce2334338ea9c6ebffdeed
SHA256 53c9261aeb39d5841a71322eb3e5bc37196f15ba1f36f8896935b339afaf590b
SHA512 688cb54f7d551f322c4c222d0612fd02a9c3d868a364baab8a12549dbb94dde7d47103f8cd5755b56c825c9f5373c1eb3cda5a3e9c2017846d379912b6dd0068

memory/3524-14-0x00007FFD6EA03000-0x00007FFD6EA05000-memory.dmp

memory/3524-15-0x00000000001F0000-0x0000000000208000-memory.dmp

memory/3524-17-0x00007FFD6EA00000-0x00007FFD6F4C1000-memory.dmp

memory/3396-18-0x0000000074D6E000-0x0000000074D6F000-memory.dmp

memory/3396-19-0x0000000074D60000-0x0000000075510000-memory.dmp

memory/3524-20-0x00007FFD6EA03000-0x00007FFD6EA05000-memory.dmp

memory/3524-21-0x00007FFD6EA00000-0x00007FFD6F4C1000-memory.dmp