Malware Analysis Report

2025-03-15 05:46

Sample ID 240508-1mqqxabf24
Target 26e33b656bc4806821bbf6e0854f4308_JaffaCakes118
SHA256 d64f49dc0f53e5deadaee8bf403d76bab9838effdcb6e4aff485f23745a041c5
Tags
blackmoon banker trojan upx aspackv2
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_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

blackmoon banker trojan upx aspackv2

Blackmoon family

Blackmoon, KrBanker

Detect Blackmoon payload

Blocklisted process makes network request

UPX packed file

ASPack v2.12-2.42

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-08 21:46

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

2024-05-08 21:46

Reported

2024-05-08 21:48

Platform

win7-20240508-en

Max time kernel

141s

Max time network

121s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\26e33b656bc4806821bbf6e0854f4308_JaffaCakes118.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 2068 wrote to memory of 1892 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 1892 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 1892 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 1892 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 1892 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 1892 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 1892 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_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\26e33b656bc4806821bbf6e0854f4308_JaffaCakes118.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/1892-3-0x0000000074790000-0x0000000074990000-memory.dmp

memory/1892-5-0x0000000074590000-0x0000000074790000-memory.dmp

memory/1892-4-0x0000000074790000-0x0000000074990000-memory.dmp

memory/1892-2-0x0000000074790000-0x0000000074990000-memory.dmp

memory/1892-1-0x0000000074790000-0x0000000074990000-memory.dmp

memory/1892-0-0x0000000074590000-0x0000000074790000-memory.dmp

memory/1892-8-0x0000000074790000-0x0000000074990000-memory.dmp

memory/1892-7-0x0000000002BD0000-0x0000000002CE0000-memory.dmp

memory/1892-6-0x0000000010000000-0x0000000010018000-memory.dmp

memory/1892-20-0x0000000074790000-0x0000000074990000-memory.dmp

memory/1892-19-0x000000007498D000-0x000000007498E000-memory.dmp

memory/1892-18-0x0000000002BD0000-0x0000000002CE0000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\IO0LJX84\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/1892-37-0x0000000074790000-0x0000000074990000-memory.dmp

memory/1892-70-0x0000000074790000-0x0000000074990000-memory.dmp

memory/1892-73-0x0000000074790000-0x0000000074990000-memory.dmp

memory/1892-74-0x0000000074790000-0x0000000074990000-memory.dmp

memory/1892-75-0x0000000074790000-0x0000000074990000-memory.dmp

memory/1892-76-0x0000000074790000-0x0000000074990000-memory.dmp

memory/1892-77-0x0000000074790000-0x0000000074990000-memory.dmp

memory/1892-78-0x0000000074790000-0x0000000074990000-memory.dmp

memory/1892-79-0x0000000074790000-0x0000000074990000-memory.dmp

memory/1892-80-0x0000000074790000-0x0000000074990000-memory.dmp

memory/1892-81-0x0000000074790000-0x0000000074990000-memory.dmp

memory/1892-82-0x0000000074790000-0x0000000074990000-memory.dmp

memory/1892-83-0x0000000074790000-0x0000000074990000-memory.dmp

memory/1892-84-0x0000000074790000-0x0000000074990000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-08 21:46

Reported

2024-05-08 21:48

Platform

win10v2004-20240426-en

Max time kernel

141s

Max time network

114s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\26e33b656bc4806821bbf6e0854f4308_JaffaCakes118.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
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 4264 wrote to memory of 3596 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4264 wrote to memory of 3596 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4264 wrote to memory of 3596 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_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\26e33b656bc4806821bbf6e0854f4308_JaffaCakes118.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.9iqcc.com udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
KR 43.155.187.248:80 www.9iqcc.com tcp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 248.187.155.43.in-addr.arpa udp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 www.1064588.com udp
NL 23.62.61.170:443 www.bing.com tcp
KR 43.155.187.248:80 www.1064588.com tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 170.61.62.23.in-addr.arpa udp
NL 23.62.61.170:443 www.bing.com tcp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 17.14.97.104.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp

Files

memory/3596-2-0x0000000074DB0000-0x0000000074FB0000-memory.dmp

memory/3596-0-0x0000000074DB0000-0x0000000074FB0000-memory.dmp

memory/3596-1-0x0000000074DB0000-0x0000000074FB0000-memory.dmp

memory/3596-4-0x0000000010000000-0x0000000010018000-memory.dmp

memory/3596-3-0x0000000074DB0000-0x0000000074FB0000-memory.dmp

memory/3596-14-0x0000000074E57000-0x0000000074E58000-memory.dmp

memory/3596-16-0x0000000074DB0000-0x0000000074FB0000-memory.dmp

memory/3596-15-0x0000000074DB0000-0x0000000074FB0000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\79ZXHV21\yingyong2[1].htm

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

memory/3596-39-0x0000000074DB0000-0x0000000074FB0000-memory.dmp

memory/3596-45-0x0000000074DB0000-0x0000000074FB0000-memory.dmp

memory/3596-46-0x0000000074DB0000-0x0000000074FB0000-memory.dmp

memory/3596-47-0x0000000074DB0000-0x0000000074FB0000-memory.dmp

memory/3596-48-0x0000000074DB0000-0x0000000074FB0000-memory.dmp

memory/3596-49-0x0000000074DB0000-0x0000000074FB0000-memory.dmp

memory/3596-50-0x0000000074DB0000-0x0000000074FB0000-memory.dmp

memory/3596-51-0x0000000074DB0000-0x0000000074FB0000-memory.dmp

memory/3596-52-0x0000000074DB0000-0x0000000074FB0000-memory.dmp

memory/3596-53-0x0000000074DB0000-0x0000000074FB0000-memory.dmp

memory/3596-54-0x0000000074DB0000-0x0000000074FB0000-memory.dmp

memory/3596-55-0x0000000074DB0000-0x0000000074FB0000-memory.dmp

memory/3596-56-0x0000000074DB0000-0x0000000074FB0000-memory.dmp

memory/3596-57-0x0000000074DB0000-0x0000000074FB0000-memory.dmp