Malware Analysis Report

2024-10-18 22:58

Sample ID 221113-zsby9sgb7t
Target 870e3494a8f391f383003bb89b94bf0fa84c39bc0e3d7b605786dd55bd81af3e
SHA256 870e3494a8f391f383003bb89b94bf0fa84c39bc0e3d7b605786dd55bd81af3e
Tags
aspackv2 blackmoon joker banker infostealer trojan upx
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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

870e3494a8f391f383003bb89b94bf0fa84c39bc0e3d7b605786dd55bd81af3e

Threat Level: Known bad

The file 870e3494a8f391f383003bb89b94bf0fa84c39bc0e3d7b605786dd55bd81af3e was found to be: Known bad.

Malicious Activity Summary

aspackv2 blackmoon joker banker infostealer trojan upx

Detect Blackmoon payload

joker

Blackmoon, KrBanker

ASPack v2.12-2.42

UPX packed file

Executes dropped EXE

Loads dropped DLL

Suspicious use of WriteProcessMemory

Suspicious use of SendNotifyMessage

Modifies system certificate store

Suspicious use of FindShellTrayWindow

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-11-13 20:58

Signatures

ASPack v2.12-2.42

aspackv2
Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-11-13 20:58

Reported

2022-11-13 21:01

Platform

win7-20220812-en

Max time kernel

42s

Max time network

45s

Command Line

"C:\Users\Admin\AppData\Local\Temp\870e3494a8f391f383003bb89b94bf0fa84c39bc0e3d7b605786dd55bd81af3e.exe"

Signatures

Blackmoon, KrBanker

trojan banker blackmoon

Detect Blackmoon 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
N/A N/A N/A N/A
N/A N/A N/A N/A

joker

infostealer trojan joker

Executes dropped EXE

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

Modifies system certificate store

evasion spyware trojan
Description Indicator Process Target
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436\Blob = 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 C:\Users\Admin\AppData\Local\Temp\870e3494a8f391f383003bb89b94bf0fa84c39bc0e3d7b605786dd55bd81af3e.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436 C:\Users\Admin\AppData\Local\Temp\870e3494a8f391f383003bb89b94bf0fa84c39bc0e3d7b605786dd55bd81af3e.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: 64424509460 N/A C:\Users\Admin\AppData\Local\Temp\tuzi_nsudo\NSudo.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\870e3494a8f391f383003bb89b94bf0fa84c39bc0e3d7b605786dd55bd81af3e.exe

"C:\Users\Admin\AppData\Local\Temp\870e3494a8f391f383003bb89b94bf0fa84c39bc0e3d7b605786dd55bd81af3e.exe"

C:\Users\Admin\AppData\Local\Temp\tuzi_nsudo\NSudo.exe

"C:\Users\Admin\AppData\Local\Temp\tuzi_nsudo\NSudo.exe" -U:S "C:\Users\Admin\AppData\Local\Temp\870e3494a8f391f383003bb89b94bf0fa84c39bc0e3d7b605786dd55bd81af3e.exe"

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 www.htuzi.com udp
N/A 47.91.134.74:443 www.htuzi.com tcp

Files

memory/1112-54-0x0000000074D61000-0x0000000074D63000-memory.dmp

memory/1112-55-0x0000000000400000-0x0000000001092000-memory.dmp

memory/1112-56-0x0000000000400000-0x0000000001092000-memory.dmp

memory/1112-57-0x0000000000400000-0x0000000001092000-memory.dmp

memory/1112-58-0x0000000000400000-0x0000000001092000-memory.dmp

\Users\Admin\AppData\Local\Temp\tuzi_nsudo\NSudo.exe

MD5 5cae01aea8ed390ce9bec17b6c1237e4
SHA1 3a80a49efaac5d839400e4fb8f803243fb39a513
SHA256 19896a23d7b054625c2f6b1ee1551a0da68ad25cddbb24510a3b74578418e618
SHA512 c8e54c92133ba686238ea554c1cd82ba441db5fd4b0cbd5082d5eb4ddfcedd15506b9dac553459d0b2221c75778241f926ed3eef64571e4b1e0eb6f80ff9b481

memory/1816-60-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Local\Temp\tuzi_nsudo\NSudo.exe

MD5 5cae01aea8ed390ce9bec17b6c1237e4
SHA1 3a80a49efaac5d839400e4fb8f803243fb39a513
SHA256 19896a23d7b054625c2f6b1ee1551a0da68ad25cddbb24510a3b74578418e618
SHA512 c8e54c92133ba686238ea554c1cd82ba441db5fd4b0cbd5082d5eb4ddfcedd15506b9dac553459d0b2221c75778241f926ed3eef64571e4b1e0eb6f80ff9b481

memory/1816-62-0x000007FEFB801000-0x000007FEFB803000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tuzi_nsudo\NSudo.json

MD5 922322fab45a284dbb248760125dfb1c
SHA1 120e77b90baa85287b2ee5bc63ff7dcd149767b5
SHA256 254beac232a7bb20289b0608db5a0ccc69789fb8befe2bf3c76fa09953eea6f5
SHA512 899dc404559518e311343a0a71ef4f88e4820268ff821082400660647259594cb1a088359c75b17f4e0df85ea5ad91e49b3e86f636e95955c2c56f1e667f4aaf

\Users\Admin\AppData\Local\Temp\tuzi_nsudo\NSudo.exe

MD5 5cae01aea8ed390ce9bec17b6c1237e4
SHA1 3a80a49efaac5d839400e4fb8f803243fb39a513
SHA256 19896a23d7b054625c2f6b1ee1551a0da68ad25cddbb24510a3b74578418e618
SHA512 c8e54c92133ba686238ea554c1cd82ba441db5fd4b0cbd5082d5eb4ddfcedd15506b9dac553459d0b2221c75778241f926ed3eef64571e4b1e0eb6f80ff9b481

memory/1112-65-0x0000000000400000-0x0000000001092000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-11-13 20:58

Reported

2022-11-13 21:01

Platform

win10v2004-20220812-en

Max time kernel

91s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\870e3494a8f391f383003bb89b94bf0fa84c39bc0e3d7b605786dd55bd81af3e.exe"

Signatures

Blackmoon, KrBanker

trojan banker blackmoon

Detect Blackmoon 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
N/A N/A N/A N/A

joker

infostealer trojan joker

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\tuzi_nsudo\NSudo.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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: 64424509460 N/A C:\Users\Admin\AppData\Local\Temp\tuzi_nsudo\NSudo.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\870e3494a8f391f383003bb89b94bf0fa84c39bc0e3d7b605786dd55bd81af3e.exe

"C:\Users\Admin\AppData\Local\Temp\870e3494a8f391f383003bb89b94bf0fa84c39bc0e3d7b605786dd55bd81af3e.exe"

C:\Users\Admin\AppData\Local\Temp\tuzi_nsudo\NSudo.exe

"C:\Users\Admin\AppData\Local\Temp\tuzi_nsudo\NSudo.exe" -U:S "C:\Users\Admin\AppData\Local\Temp\870e3494a8f391f383003bb89b94bf0fa84c39bc0e3d7b605786dd55bd81af3e.exe"

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 www.htuzi.com udp
N/A 47.91.134.74:443 www.htuzi.com tcp
N/A 104.80.225.205:443 tcp
N/A 52.182.143.211:443 tcp
N/A 93.184.221.240:80 tcp
N/A 93.184.221.240:80 tcp
N/A 93.184.221.240:80 tcp

Files

memory/1504-132-0x0000000000400000-0x0000000001092000-memory.dmp

memory/1504-133-0x0000000000400000-0x0000000001092000-memory.dmp

memory/1504-134-0x0000000000400000-0x0000000001092000-memory.dmp

memory/1504-135-0x0000000000400000-0x0000000001092000-memory.dmp

memory/1504-136-0x0000000010000000-0x00000000100BE000-memory.dmp

memory/1504-139-0x0000000010000000-0x00000000100BE000-memory.dmp

memory/1504-138-0x0000000010000000-0x00000000100BE000-memory.dmp

memory/1504-140-0x0000000010000000-0x00000000100BE000-memory.dmp

memory/228-141-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Local\Temp\tuzi_nsudo\NSudo.exe

MD5 5cae01aea8ed390ce9bec17b6c1237e4
SHA1 3a80a49efaac5d839400e4fb8f803243fb39a513
SHA256 19896a23d7b054625c2f6b1ee1551a0da68ad25cddbb24510a3b74578418e618
SHA512 c8e54c92133ba686238ea554c1cd82ba441db5fd4b0cbd5082d5eb4ddfcedd15506b9dac553459d0b2221c75778241f926ed3eef64571e4b1e0eb6f80ff9b481

C:\Users\Admin\AppData\Local\Temp\tuzi_nsudo\NSudo.json

MD5 922322fab45a284dbb248760125dfb1c
SHA1 120e77b90baa85287b2ee5bc63ff7dcd149767b5
SHA256 254beac232a7bb20289b0608db5a0ccc69789fb8befe2bf3c76fa09953eea6f5
SHA512 899dc404559518e311343a0a71ef4f88e4820268ff821082400660647259594cb1a088359c75b17f4e0df85ea5ad91e49b3e86f636e95955c2c56f1e667f4aaf

memory/1504-144-0x0000000000400000-0x0000000001092000-memory.dmp