Malware Analysis Report

2025-03-15 05:42

Sample ID 240510-bdff5scg69
Target 26e33b656bc4806821bbf6e0854f4308.bin
SHA256 d64f49dc0f53e5deadaee8bf403d76bab9838effdcb6e4aff485f23745a041c5
Tags
aspackv2 blackmoon banker trojan upx
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

d64f49dc0f53e5deadaee8bf403d76bab9838effdcb6e4aff485f23745a041c5

Threat Level: Known bad

The file 26e33b656bc4806821bbf6e0854f4308.bin was found to be: Known bad.

Malicious Activity Summary

aspackv2 blackmoon banker trojan upx

Detect Blackmoon payload

Blackmoon, KrBanker

Blackmoon family

Blocklisted process makes network request

ASPack v2.12-2.42

UPX packed file

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-10 01:01

Signatures

Blackmoon family

blackmoon

Detect Blackmoon payload

Description Indicator Process Target
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ASPack v2.12-2.42

aspackv2
Description Indicator Process Target
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Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-05-10 01:01

Reported

2024-05-10 01:04

Platform

win7-20240221-en

Max time kernel

140s

Max time network

121s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\26e33b656bc4806821bbf6e0854f4308.dll,#1

Signatures

Blackmoon, KrBanker

trojan banker blackmoon

Detect Blackmoon payload

Description Indicator Process Target
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Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

UPX packed file

upx
Description Indicator Process Target
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Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2100 wrote to memory of 2064 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2100 wrote to memory of 2064 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2100 wrote to memory of 2064 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2100 wrote to memory of 2064 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2100 wrote to memory of 2064 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2100 wrote to memory of 2064 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2100 wrote to memory of 2064 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\26e33b656bc4806821bbf6e0854f4308.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\26e33b656bc4806821bbf6e0854f4308.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.9iqcc.com udp
KR 43.155.187.248:80 www.9iqcc.com tcp
US 8.8.8.8:53 www.1064588.com udp
KR 43.155.187.248:80 www.1064588.com tcp

Files

memory/2064-4-0x0000000074410000-0x0000000074610000-memory.dmp

memory/2064-2-0x0000000074410000-0x0000000074610000-memory.dmp

memory/2064-9-0x0000000002B30000-0x0000000002C20000-memory.dmp

memory/2064-19-0x0000000074410000-0x0000000074610000-memory.dmp

memory/2064-8-0x0000000010000000-0x0000000010018000-memory.dmp

memory/2064-7-0x000000007460D000-0x000000007460E000-memory.dmp

memory/2064-6-0x0000000074410000-0x0000000074610000-memory.dmp

memory/2064-5-0x0000000074420000-0x0000000074620000-memory.dmp

memory/2064-3-0x0000000074220000-0x0000000074420000-memory.dmp

memory/2064-1-0x0000000074410000-0x0000000074610000-memory.dmp

memory/2064-0-0x0000000074420000-0x0000000074620000-memory.dmp

memory/2064-20-0x0000000074410000-0x0000000074610000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\MPR7YYBV\yingyong2[1].htm

MD5 4f8e702cc244ec5d4de32740c0ecbd97
SHA1 3adb1f02d5b6054de0046e367c1d687b6cdf7aff
SHA256 9e17cb15dd75bbbd5dbb984eda674863c3b10ab72613cf8a39a00c3e11a8492a
SHA512 21047fea5269fee75a2a187aa09316519e35068cb2f2f76cfaf371e5224445e9d5c98497bd76fb9608d2b73e9dac1a3f5bfadfdc4623c479d53ecf93d81d3c9f

C:\Users\Admin\Documents\hc\yingyong2.bmp

MD5 370e16c3b7dba286cff055f93b9a94d8
SHA1 65f3537c3c798f7da146c55aef536f7b5d0cb943
SHA256 d465172175d35d493fb1633e237700022bd849fa123164790b168b8318acb090
SHA512 75cd6a0ac7d6081d35140abbea018d1a2608dd936e2e21f61bf69e063f6fa16dd31c62392f5703d7a7c828ee3d4ecc838e73bff029a98ced8986acb5c8364966

memory/2064-38-0x0000000074410000-0x0000000074610000-memory.dmp

memory/2064-66-0x0000000074410000-0x0000000074610000-memory.dmp

memory/2064-73-0x0000000074410000-0x0000000074610000-memory.dmp

memory/2064-74-0x0000000074410000-0x0000000074610000-memory.dmp

memory/2064-75-0x0000000074410000-0x0000000074610000-memory.dmp

memory/2064-76-0x0000000074410000-0x0000000074610000-memory.dmp

memory/2064-77-0x0000000074410000-0x0000000074610000-memory.dmp

memory/2064-78-0x0000000074410000-0x0000000074610000-memory.dmp

memory/2064-79-0x0000000074410000-0x0000000074610000-memory.dmp

memory/2064-80-0x0000000074410000-0x0000000074610000-memory.dmp

memory/2064-81-0x0000000074410000-0x0000000074610000-memory.dmp

memory/2064-82-0x0000000074410000-0x0000000074610000-memory.dmp

memory/2064-83-0x0000000074410000-0x0000000074610000-memory.dmp

memory/2064-84-0x0000000074410000-0x0000000074610000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-10 01:01

Reported

2024-05-10 01:04

Platform

win10v2004-20240508-en

Max time kernel

141s

Max time network

116s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\26e33b656bc4806821bbf6e0854f4308.dll,#1

Signatures

Blackmoon, KrBanker

trojan banker blackmoon

Detect Blackmoon payload

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Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

UPX packed file

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2232 wrote to memory of 2728 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2232 wrote to memory of 2728 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2232 wrote to memory of 2728 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\26e33b656bc4806821bbf6e0854f4308.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\26e33b656bc4806821bbf6e0854f4308.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.9iqcc.com udp
KR 43.155.187.248:80 www.9iqcc.com tcp
US 8.8.8.8:53 www.1064588.com udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 248.187.155.43.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
KR 43.155.187.248:80 www.1064588.com tcp
BE 2.17.196.177:443 www.bing.com tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
BE 2.17.196.177:443 www.bing.com tcp
US 8.8.8.8:53 177.196.17.2.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 35.166.122.92.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp

Files

memory/2728-0-0x0000000075450000-0x0000000075650000-memory.dmp

memory/2728-3-0x0000000075450000-0x0000000075650000-memory.dmp

memory/2728-4-0x0000000010000000-0x0000000010018000-memory.dmp

memory/2728-2-0x0000000075450000-0x0000000075650000-memory.dmp

memory/2728-1-0x0000000075450000-0x0000000075650000-memory.dmp

memory/2728-9-0x0000000075450000-0x0000000075650000-memory.dmp

memory/2728-8-0x00000000754F7000-0x00000000754F8000-memory.dmp

memory/2728-16-0x0000000075450000-0x0000000075650000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\AKI8W8FH\yingyong2[1].htm

MD5 4f8e702cc244ec5d4de32740c0ecbd97
SHA1 3adb1f02d5b6054de0046e367c1d687b6cdf7aff
SHA256 9e17cb15dd75bbbd5dbb984eda674863c3b10ab72613cf8a39a00c3e11a8492a
SHA512 21047fea5269fee75a2a187aa09316519e35068cb2f2f76cfaf371e5224445e9d5c98497bd76fb9608d2b73e9dac1a3f5bfadfdc4623c479d53ecf93d81d3c9f

memory/2728-38-0x0000000075450000-0x0000000075650000-memory.dmp

memory/2728-45-0x0000000075450000-0x0000000075650000-memory.dmp

memory/2728-46-0x0000000075450000-0x0000000075650000-memory.dmp

memory/2728-47-0x0000000075450000-0x0000000075650000-memory.dmp

memory/2728-48-0x0000000075450000-0x0000000075650000-memory.dmp

memory/2728-49-0x0000000075450000-0x0000000075650000-memory.dmp

memory/2728-50-0x0000000075450000-0x0000000075650000-memory.dmp

memory/2728-51-0x0000000075450000-0x0000000075650000-memory.dmp

memory/2728-52-0x0000000075450000-0x0000000075650000-memory.dmp

memory/2728-53-0x0000000075450000-0x0000000075650000-memory.dmp

memory/2728-54-0x0000000075450000-0x0000000075650000-memory.dmp

memory/2728-55-0x0000000075450000-0x0000000075650000-memory.dmp

memory/2728-56-0x0000000075450000-0x0000000075650000-memory.dmp

memory/2728-57-0x0000000075450000-0x0000000075650000-memory.dmp