Malware Analysis Report

2025-06-15 19:52

Sample ID 240114-jktaksedfr
Target 6a8a4bbb19d86c40938a18771c9ff4c1.exe
SHA256 bf7942c4a7de7c08083c2bb5961fe1b3fd7f5ab22f8bec2b0494d294aa4db32c
Tags
lumma stealer
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

bf7942c4a7de7c08083c2bb5961fe1b3fd7f5ab22f8bec2b0494d294aa4db32c

Threat Level: Known bad

The file 6a8a4bbb19d86c40938a18771c9ff4c1.exe was found to be: Known bad.

Malicious Activity Summary

lumma stealer

Lumma Stealer

Loads dropped DLL

Suspicious use of SetThreadContext

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-01-14 07:44

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-14 07:44

Reported

2024-01-14 07:46

Platform

win7-20231215-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6a8a4bbb19d86c40938a18771c9ff4c1.exe"

Signatures

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\6a8a4bbb19d86c40938a18771c9ff4c1.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2236 set thread context of 2976 N/A C:\Users\Admin\AppData\Local\Temp\6a8a4bbb19d86c40938a18771c9ff4c1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2236 wrote to memory of 2976 N/A C:\Users\Admin\AppData\Local\Temp\6a8a4bbb19d86c40938a18771c9ff4c1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2236 wrote to memory of 2976 N/A C:\Users\Admin\AppData\Local\Temp\6a8a4bbb19d86c40938a18771c9ff4c1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2236 wrote to memory of 2976 N/A C:\Users\Admin\AppData\Local\Temp\6a8a4bbb19d86c40938a18771c9ff4c1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2236 wrote to memory of 2976 N/A C:\Users\Admin\AppData\Local\Temp\6a8a4bbb19d86c40938a18771c9ff4c1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2236 wrote to memory of 2976 N/A C:\Users\Admin\AppData\Local\Temp\6a8a4bbb19d86c40938a18771c9ff4c1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2236 wrote to memory of 2976 N/A C:\Users\Admin\AppData\Local\Temp\6a8a4bbb19d86c40938a18771c9ff4c1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2236 wrote to memory of 2976 N/A C:\Users\Admin\AppData\Local\Temp\6a8a4bbb19d86c40938a18771c9ff4c1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2236 wrote to memory of 2976 N/A C:\Users\Admin\AppData\Local\Temp\6a8a4bbb19d86c40938a18771c9ff4c1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2236 wrote to memory of 2976 N/A C:\Users\Admin\AppData\Local\Temp\6a8a4bbb19d86c40938a18771c9ff4c1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2236 wrote to memory of 2976 N/A C:\Users\Admin\AppData\Local\Temp\6a8a4bbb19d86c40938a18771c9ff4c1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2236 wrote to memory of 2976 N/A C:\Users\Admin\AppData\Local\Temp\6a8a4bbb19d86c40938a18771c9ff4c1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2236 wrote to memory of 2976 N/A C:\Users\Admin\AppData\Local\Temp\6a8a4bbb19d86c40938a18771c9ff4c1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2236 wrote to memory of 2976 N/A C:\Users\Admin\AppData\Local\Temp\6a8a4bbb19d86c40938a18771c9ff4c1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe

Processes

C:\Users\Admin\AppData\Local\Temp\6a8a4bbb19d86c40938a18771c9ff4c1.exe

"C:\Users\Admin\AppData\Local\Temp\6a8a4bbb19d86c40938a18771c9ff4c1.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe

Network

N/A

Files

memory/2236-1-0x0000000074A40000-0x000000007512E000-memory.dmp

memory/2236-0-0x0000000000CE0000-0x00000000010C8000-memory.dmp

memory/2236-2-0x0000000074A40000-0x000000007512E000-memory.dmp

memory/2236-3-0x0000000004CD0000-0x0000000004D10000-memory.dmp

memory/2236-4-0x00000000055C0000-0x00000000057E6000-memory.dmp

memory/2236-5-0x0000000006AD0000-0x0000000006C62000-memory.dmp

\Users\Admin\AppData\Local\Temp\Protect544cd51a.dll

MD5 127bd3c1c1ffd2ea2ab920d5cbe6d838
SHA1 3df6c7111891083600a6d1ad147e5d0beffdc7ca
SHA256 6f97cfae7b3359a3438a1e59726e25a1e026f4828cfb574f4eb3bb032730d9f4
SHA512 d4a7c210c4d2e5a538c2ed5c69356ad3c45ab8c58e0ae5c591ecce802b568fea1512eb839267e412d46857b036cc834c5a01e3fb7dc762976acbf47f91570cc2

memory/2236-13-0x0000000000460000-0x0000000000470000-memory.dmp

memory/2236-12-0x0000000004CD0000-0x0000000004D10000-memory.dmp

memory/2236-14-0x0000000004CD0000-0x0000000004D10000-memory.dmp

memory/2236-11-0x0000000004CD0000-0x0000000004D10000-memory.dmp

memory/2236-17-0x0000000004CD0000-0x0000000004D10000-memory.dmp

memory/2236-20-0x0000000004CD0000-0x0000000004D10000-memory.dmp

memory/2236-19-0x0000000004CD0000-0x0000000004D10000-memory.dmp

memory/2976-36-0x0000000000401000-0x000000000045E000-memory.dmp

memory/2236-34-0x0000000074A40000-0x000000007512E000-memory.dmp

memory/2976-35-0x0000000000400000-0x0000000000498000-memory.dmp

memory/2976-32-0x0000000000400000-0x0000000000498000-memory.dmp

memory/2976-30-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2976-28-0x0000000000400000-0x0000000000498000-memory.dmp

memory/2976-26-0x0000000000400000-0x0000000000498000-memory.dmp

memory/2976-25-0x0000000000400000-0x0000000000498000-memory.dmp

memory/2976-23-0x0000000000400000-0x0000000000498000-memory.dmp

memory/2976-21-0x0000000000400000-0x0000000000498000-memory.dmp

memory/2236-18-0x0000000006EE0000-0x0000000006FE0000-memory.dmp

memory/2236-16-0x0000000004CD0000-0x0000000004D10000-memory.dmp

memory/2236-15-0x0000000004CD0000-0x0000000004D10000-memory.dmp

memory/2236-10-0x0000000004CD0000-0x0000000004D10000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-14 07:44

Reported

2024-01-14 07:46

Platform

win10v2004-20231215-en

Max time kernel

140s

Max time network

132s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6a8a4bbb19d86c40938a18771c9ff4c1.exe"

Signatures

Lumma Stealer

stealer lumma

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\6a8a4bbb19d86c40938a18771c9ff4c1.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1364 set thread context of 1264 N/A C:\Users\Admin\AppData\Local\Temp\6a8a4bbb19d86c40938a18771c9ff4c1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1364 wrote to memory of 1264 N/A C:\Users\Admin\AppData\Local\Temp\6a8a4bbb19d86c40938a18771c9ff4c1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1364 wrote to memory of 1264 N/A C:\Users\Admin\AppData\Local\Temp\6a8a4bbb19d86c40938a18771c9ff4c1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1364 wrote to memory of 1264 N/A C:\Users\Admin\AppData\Local\Temp\6a8a4bbb19d86c40938a18771c9ff4c1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1364 wrote to memory of 1264 N/A C:\Users\Admin\AppData\Local\Temp\6a8a4bbb19d86c40938a18771c9ff4c1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1364 wrote to memory of 1264 N/A C:\Users\Admin\AppData\Local\Temp\6a8a4bbb19d86c40938a18771c9ff4c1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1364 wrote to memory of 1264 N/A C:\Users\Admin\AppData\Local\Temp\6a8a4bbb19d86c40938a18771c9ff4c1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1364 wrote to memory of 1264 N/A C:\Users\Admin\AppData\Local\Temp\6a8a4bbb19d86c40938a18771c9ff4c1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1364 wrote to memory of 1264 N/A C:\Users\Admin\AppData\Local\Temp\6a8a4bbb19d86c40938a18771c9ff4c1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1364 wrote to memory of 1264 N/A C:\Users\Admin\AppData\Local\Temp\6a8a4bbb19d86c40938a18771c9ff4c1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe

Processes

C:\Users\Admin\AppData\Local\Temp\6a8a4bbb19d86c40938a18771c9ff4c1.exe

"C:\Users\Admin\AppData\Local\Temp\6a8a4bbb19d86c40938a18771c9ff4c1.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1364 -ip 1364

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1364 -s 1012

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 1264 -ip 1264

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1264 -s 900

Network

Country Destination Domain Proto
US 8.8.8.8:53 17.53.126.40.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 copyexpertisesausewaverw.site udp
US 172.67.174.200:443 copyexpertisesausewaverw.site tcp
US 8.8.8.8:53 200.174.67.172.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 goddirtybrilliancece.fun udp
US 172.67.204.58:443 goddirtybrilliancece.fun tcp
US 8.8.8.8:53 58.204.67.172.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.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

Files

memory/1364-1-0x0000000000CE0000-0x00000000010C8000-memory.dmp

memory/1364-0-0x0000000074910000-0x00000000750C0000-memory.dmp

memory/1364-2-0x0000000005AA0000-0x0000000005B3C000-memory.dmp

memory/1364-3-0x0000000074910000-0x00000000750C0000-memory.dmp

memory/1364-4-0x0000000005B80000-0x0000000005B90000-memory.dmp

memory/1364-5-0x0000000005F00000-0x0000000006126000-memory.dmp

memory/1364-6-0x0000000007260000-0x00000000073F2000-memory.dmp

memory/1364-16-0x0000000005B80000-0x0000000005B90000-memory.dmp

memory/1364-15-0x0000000007680000-0x0000000007690000-memory.dmp

memory/1364-14-0x0000000005B80000-0x0000000005B90000-memory.dmp

memory/1364-13-0x0000000005B80000-0x0000000005B90000-memory.dmp

memory/1364-21-0x0000000007750000-0x0000000007850000-memory.dmp

memory/1264-28-0x0000000000EA0000-0x0000000000ED2000-memory.dmp

memory/1264-27-0x0000000000EA0000-0x0000000000ED2000-memory.dmp

memory/1264-26-0x0000000000400000-0x0000000000498000-memory.dmp

memory/1264-29-0x0000000000EA0000-0x0000000000ED2000-memory.dmp

memory/1264-25-0x0000000000400000-0x0000000000498000-memory.dmp

memory/1264-22-0x0000000000400000-0x0000000000498000-memory.dmp

memory/1364-20-0x0000000007750000-0x0000000007850000-memory.dmp

memory/1364-19-0x0000000007750000-0x0000000007850000-memory.dmp

memory/1364-18-0x0000000005B80000-0x0000000005B90000-memory.dmp

memory/1364-17-0x0000000005B80000-0x0000000005B90000-memory.dmp

memory/1364-12-0x0000000005B80000-0x0000000005B90000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Protect544cd51a.dll

MD5 6f9627a9c6cb99bfb4cb01679d40ed28
SHA1 278097b131c737c306be4e8c064b104c1911fe58
SHA256 f8fdd38f0d90bf025b959a47985aa6f04eeda24e3705b90ddf177f906e492504
SHA512 a682bd6f8822814332b396bdda2b43f27485bc2b396f1aef582fb33a8d1213c9be65a8869b5167a347bbbc2dd35ffa184fc38467da9805570399da47d618a430

memory/1364-30-0x0000000074910000-0x00000000750C0000-memory.dmp

memory/1264-31-0x0000000000EA0000-0x0000000000ED2000-memory.dmp

memory/1264-32-0x0000000000EA0000-0x0000000000ED2000-memory.dmp

memory/1264-33-0x0000000000400000-0x0000000000498000-memory.dmp