Malware Analysis Report

2025-06-15 19:52

Sample ID 240114-jmbtbafdh9
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 07:46

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-14 07:46

Reported

2024-01-14 07:49

Platform

win7-20231215-en

Max time kernel

120s

Max time network

124s

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 2164 set thread context of 2720 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 2164 wrote to memory of 2720 N/A C:\Users\Admin\AppData\Local\Temp\6a8a4bbb19d86c40938a18771c9ff4c1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2164 wrote to memory of 2720 N/A C:\Users\Admin\AppData\Local\Temp\6a8a4bbb19d86c40938a18771c9ff4c1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2164 wrote to memory of 2720 N/A C:\Users\Admin\AppData\Local\Temp\6a8a4bbb19d86c40938a18771c9ff4c1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2164 wrote to memory of 2720 N/A C:\Users\Admin\AppData\Local\Temp\6a8a4bbb19d86c40938a18771c9ff4c1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2164 wrote to memory of 2720 N/A C:\Users\Admin\AppData\Local\Temp\6a8a4bbb19d86c40938a18771c9ff4c1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2164 wrote to memory of 2720 N/A C:\Users\Admin\AppData\Local\Temp\6a8a4bbb19d86c40938a18771c9ff4c1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2164 wrote to memory of 2720 N/A C:\Users\Admin\AppData\Local\Temp\6a8a4bbb19d86c40938a18771c9ff4c1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2164 wrote to memory of 2720 N/A C:\Users\Admin\AppData\Local\Temp\6a8a4bbb19d86c40938a18771c9ff4c1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2164 wrote to memory of 2720 N/A C:\Users\Admin\AppData\Local\Temp\6a8a4bbb19d86c40938a18771c9ff4c1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2164 wrote to memory of 2720 N/A C:\Users\Admin\AppData\Local\Temp\6a8a4bbb19d86c40938a18771c9ff4c1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2164 wrote to memory of 2720 N/A C:\Users\Admin\AppData\Local\Temp\6a8a4bbb19d86c40938a18771c9ff4c1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2164 wrote to memory of 2720 N/A C:\Users\Admin\AppData\Local\Temp\6a8a4bbb19d86c40938a18771c9ff4c1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2164 wrote to memory of 2720 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/2164-1-0x0000000074570000-0x0000000074C5E000-memory.dmp

memory/2164-0-0x0000000000C00000-0x0000000000FE8000-memory.dmp

memory/2164-2-0x0000000074570000-0x0000000074C5E000-memory.dmp

memory/2164-3-0x0000000004F10000-0x0000000004F50000-memory.dmp

memory/2164-4-0x0000000005470000-0x0000000005696000-memory.dmp

memory/2164-5-0x0000000006AB0000-0x0000000006C42000-memory.dmp

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

MD5 544cd51a596619b78e9b54b70088307d
SHA1 4769ddd2dbc1dc44b758964ed0bd231b85880b65
SHA256 dfce2d4d06de6452998b3c5b2dc33eaa6db2bd37810d04e3d02dc931887cfddd
SHA512 f56d8b81022bb132d40aa78596da39b5c212d13b84b5c7d2c576bbf403924f1d22e750de3b09d1be30aea359f1b72c5043b19685fc9bf06d8040bfee16b17719

memory/2164-10-0x0000000004F10000-0x0000000004F50000-memory.dmp

memory/2164-11-0x0000000004F10000-0x0000000004F50000-memory.dmp

memory/2164-12-0x0000000004F10000-0x0000000004F50000-memory.dmp

memory/2164-13-0x0000000000300000-0x0000000000310000-memory.dmp

memory/2164-14-0x0000000004F10000-0x0000000004F50000-memory.dmp

memory/2164-15-0x0000000004F10000-0x0000000004F50000-memory.dmp

memory/2164-16-0x0000000004F10000-0x0000000004F50000-memory.dmp

memory/2164-17-0x0000000006EF0000-0x0000000006FF0000-memory.dmp

memory/2164-18-0x0000000004F10000-0x0000000004F50000-memory.dmp

memory/2164-19-0x0000000004F10000-0x0000000004F50000-memory.dmp

memory/2720-20-0x0000000000400000-0x0000000000498000-memory.dmp

memory/2720-21-0x0000000000400000-0x0000000000498000-memory.dmp

memory/2720-22-0x0000000000400000-0x0000000000498000-memory.dmp

memory/2720-23-0x0000000000400000-0x0000000000498000-memory.dmp

memory/2720-24-0x0000000000400000-0x0000000000498000-memory.dmp

memory/2720-25-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2164-29-0x0000000074570000-0x0000000074C5E000-memory.dmp

memory/2720-27-0x0000000000400000-0x0000000000498000-memory.dmp

memory/2720-30-0x0000000000400000-0x0000000000498000-memory.dmp

memory/2720-31-0x0000000000400000-0x0000000000498000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-14 07:46

Reported

2024-01-14 07:49

Platform

win10v2004-20231222-en

Max time kernel

136s

Max time network

145s

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 4852 set thread context of 4244 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 4852 wrote to memory of 4244 N/A C:\Users\Admin\AppData\Local\Temp\6a8a4bbb19d86c40938a18771c9ff4c1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 4852 wrote to memory of 4244 N/A C:\Users\Admin\AppData\Local\Temp\6a8a4bbb19d86c40938a18771c9ff4c1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 4852 wrote to memory of 4244 N/A C:\Users\Admin\AppData\Local\Temp\6a8a4bbb19d86c40938a18771c9ff4c1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 4852 wrote to memory of 4244 N/A C:\Users\Admin\AppData\Local\Temp\6a8a4bbb19d86c40938a18771c9ff4c1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 4852 wrote to memory of 4244 N/A C:\Users\Admin\AppData\Local\Temp\6a8a4bbb19d86c40938a18771c9ff4c1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 4852 wrote to memory of 4244 N/A C:\Users\Admin\AppData\Local\Temp\6a8a4bbb19d86c40938a18771c9ff4c1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 4852 wrote to memory of 4244 N/A C:\Users\Admin\AppData\Local\Temp\6a8a4bbb19d86c40938a18771c9ff4c1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 4852 wrote to memory of 4244 N/A C:\Users\Admin\AppData\Local\Temp\6a8a4bbb19d86c40938a18771c9ff4c1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 4852 wrote to memory of 4244 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 444 -p 4244 -ip 4244

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4244 -ip 4244

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4244 -s 1032

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4244 -s 608

Network

Country Destination Domain Proto
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.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 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 200.174.67.172.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 goddirtybrilliancece.fun udp
US 104.21.85.88:443 goddirtybrilliancece.fun tcp
US 8.8.8.8:53 88.85.21.104.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.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/4852-1-0x0000000000E50000-0x0000000001238000-memory.dmp

memory/4852-0-0x0000000074870000-0x0000000075020000-memory.dmp

memory/4852-2-0x0000000005C10000-0x0000000005CAC000-memory.dmp

memory/4852-3-0x0000000074870000-0x0000000075020000-memory.dmp

memory/4852-4-0x0000000005D20000-0x0000000005D30000-memory.dmp

memory/4852-5-0x0000000006030000-0x0000000006256000-memory.dmp

memory/4852-6-0x00000000073A0000-0x0000000007532000-memory.dmp

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

MD5 99baf88be502e3e37b49607be3916f79
SHA1 3b471ff92c8872b27f36c97288c1dd9561e2dde7
SHA256 96a25e6c6135b6715d163bbc51a2dfc0708650c5f5f96c20a7bf906326ac2887
SHA512 d11019d70633ee3b02fe293065140eb184eb199a6787d3964cff761a7792f3ed809b7243edcc3c7e600f7053711f5dad82a208410ba394fd2109c3a8fc3872d4

memory/4852-14-0x0000000007650000-0x0000000007660000-memory.dmp

memory/4852-16-0x0000000005D20000-0x0000000005D30000-memory.dmp

memory/4852-15-0x0000000005D20000-0x0000000005D30000-memory.dmp

memory/4852-13-0x0000000005D20000-0x0000000005D30000-memory.dmp

memory/4852-12-0x0000000005D20000-0x0000000005D30000-memory.dmp

memory/4852-17-0x0000000005D20000-0x0000000005D30000-memory.dmp

memory/4852-19-0x0000000007830000-0x0000000007930000-memory.dmp

memory/4852-18-0x0000000005D20000-0x0000000005D30000-memory.dmp

memory/4244-26-0x0000000000400000-0x0000000000498000-memory.dmp

memory/4244-27-0x0000000000FF0000-0x0000000001022000-memory.dmp

memory/4244-30-0x0000000000FF0000-0x0000000001022000-memory.dmp

memory/4244-29-0x0000000000FF0000-0x0000000001022000-memory.dmp

memory/4852-28-0x0000000074870000-0x0000000075020000-memory.dmp

memory/4244-24-0x0000000000400000-0x0000000000498000-memory.dmp

memory/4244-21-0x0000000000400000-0x0000000000498000-memory.dmp

memory/4852-22-0x0000000007830000-0x0000000007930000-memory.dmp

memory/4852-20-0x0000000007830000-0x0000000007930000-memory.dmp

memory/4244-31-0x0000000000400000-0x0000000000498000-memory.dmp

memory/4244-32-0x0000000000FF0000-0x0000000001022000-memory.dmp

memory/4244-33-0x0000000000FF0000-0x0000000001022000-memory.dmp

memory/4244-34-0x0000000000FF0000-0x0000000001022000-memory.dmp

memory/4244-35-0x0000000000400000-0x0000000000498000-memory.dmp