lumma | a928fc7218f8b916a6c386f500634dc2f31772ed5da82173b257ccf4371bdee7

Analysis

max time kernel
134s
max time network
301s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
01-07-2024 05:06

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General

Target

a928fc7218f8b916a6c386f500634dc2f31772ed5da82173b257ccf4371bdee7.exe
Size

4.3MB
MD5

67cef2b94174d0883a8e8b9ad9c217c7
SHA1

d674a6454b03d5190ea685112e68a6604eabfc39
SHA256

a928fc7218f8b916a6c386f500634dc2f31772ed5da82173b257ccf4371bdee7
SHA512

bd335514641c23f96063c92783bcc2e607c7765705aafa2e742b631c102c08704b1bc77ba61dce7f2267abd5e0e4a30653a50179f86689ecf348f5eb0057ea3c
SSDEEP

49152:WgMCMqzvDxEHJKquC8nlPCx0jdt8not+bgZV014po/8QNT9Fr1:wGdlbInoM0bBO5H

Score

10^/10

lumma stealc vidar spyware stealer

Malware Config

Extracted

Family

vidar

https://t.me/g067n

https://steamcommunity.com/profiles/76561199707802586

Attributes

user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:129.0) Gecko/20100101 Firefox/129.0

Extracted

Family

lumma

https://potterryisiw.shop/api

https://foodypannyjsud.shop/api

https://contintnetksows.shop/api

https://reinforcedirectorywd.shop/api

Signatures

Detect Vidar Stealer 5 IoCs

stealer

Processes:

resource	yara_rule
behavioral2/memory/5084-70-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/5084-73-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/5084-68-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/5084-88-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/5084-125-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7

Lumma Stealer
An infostealer written in C++ first seen in August 2022.
stealer lumma
Stealc
Stealc is an infostealer written in C++.
stealer stealc
Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Downloads MZ/PE file
Executes dropped EXE 1 IoCs

Processes:

BFHJJJDAFB.exe

pid process

2632 BFHJJJDAFB.exe
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001

pid	process
2632	BFHJJJDAFB.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

a928fc7218f8b916a6c386f500634dc2f31772ed5da82173b257ccf4371bdee7.exeBFHJJJDAFB.exe

description	pid	process	target process
PID 4588 set thread context of 5084	4588	a928fc7218f8b916a6c386f500634dc2f31772ed5da82173b257ccf4371bdee7.exe	MSBuild.exe
PID 2632 set thread context of 2656	2632	BFHJJJDAFB.exe	RegAsm.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1700 2632 WerFault.exe BFHJJJDAFB.exe

pid	pid_target	process	target process
1700	2632	WerFault.exe	BFHJJJDAFB.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MSBuild.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	MSBuild.exe

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

2384 timeout.exe
Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

MSBuild.exe

pid process

5084 MSBuild.exe
5084 MSBuild.exe
5084 MSBuild.exe
5084 MSBuild.exe
5084 MSBuild.exe
5084 MSBuild.exe
5084 MSBuild.exe
5084 MSBuild.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

a928fc7218f8b916a6c386f500634dc2f31772ed5da82173b257ccf4371bdee7.exe

description pid process

Token: SeDebugPrivilege 4588 a928fc7218f8b916a6c386f500634dc2f31772ed5da82173b257ccf4371bdee7.exe

pid	process
2384	timeout.exe

pid	process
5084	MSBuild.exe
5084	MSBuild.exe
5084	MSBuild.exe
5084	MSBuild.exe
5084	MSBuild.exe
5084	MSBuild.exe
5084	MSBuild.exe
5084	MSBuild.exe

description	pid	process
Token: SeDebugPrivilege	4588	a928fc7218f8b916a6c386f500634dc2f31772ed5da82173b257ccf4371bdee7.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

a928fc7218f8b916a6c386f500634dc2f31772ed5da82173b257ccf4371bdee7.exeMSBuild.exeBFHJJJDAFB.execmd.exe

description	pid	process	target process
PID 4588 wrote to memory of 5084	4588	a928fc7218f8b916a6c386f500634dc2f31772ed5da82173b257ccf4371bdee7.exe	MSBuild.exe
PID 4588 wrote to memory of 5084	4588	a928fc7218f8b916a6c386f500634dc2f31772ed5da82173b257ccf4371bdee7.exe	MSBuild.exe
PID 4588 wrote to memory of 5084	4588	a928fc7218f8b916a6c386f500634dc2f31772ed5da82173b257ccf4371bdee7.exe	MSBuild.exe
PID 4588 wrote to memory of 5084	4588	a928fc7218f8b916a6c386f500634dc2f31772ed5da82173b257ccf4371bdee7.exe	MSBuild.exe
PID 4588 wrote to memory of 5084	4588	a928fc7218f8b916a6c386f500634dc2f31772ed5da82173b257ccf4371bdee7.exe	MSBuild.exe
PID 4588 wrote to memory of 5084	4588	a928fc7218f8b916a6c386f500634dc2f31772ed5da82173b257ccf4371bdee7.exe	MSBuild.exe
PID 4588 wrote to memory of 5084	4588	a928fc7218f8b916a6c386f500634dc2f31772ed5da82173b257ccf4371bdee7.exe	MSBuild.exe
PID 4588 wrote to memory of 5084	4588	a928fc7218f8b916a6c386f500634dc2f31772ed5da82173b257ccf4371bdee7.exe	MSBuild.exe
PID 4588 wrote to memory of 5084	4588	a928fc7218f8b916a6c386f500634dc2f31772ed5da82173b257ccf4371bdee7.exe	MSBuild.exe
PID 5084 wrote to memory of 2632	5084	MSBuild.exe	BFHJJJDAFB.exe
PID 5084 wrote to memory of 2632	5084	MSBuild.exe	BFHJJJDAFB.exe
PID 5084 wrote to memory of 2632	5084	MSBuild.exe	BFHJJJDAFB.exe
PID 2632 wrote to memory of 1688	2632	BFHJJJDAFB.exe	RegAsm.exe
PID 2632 wrote to memory of 1688	2632	BFHJJJDAFB.exe	RegAsm.exe
PID 2632 wrote to memory of 1688	2632	BFHJJJDAFB.exe	RegAsm.exe
PID 2632 wrote to memory of 2656	2632	BFHJJJDAFB.exe	RegAsm.exe
PID 2632 wrote to memory of 2656	2632	BFHJJJDAFB.exe	RegAsm.exe
PID 2632 wrote to memory of 2656	2632	BFHJJJDAFB.exe	RegAsm.exe
PID 2632 wrote to memory of 2656	2632	BFHJJJDAFB.exe	RegAsm.exe
PID 2632 wrote to memory of 2656	2632	BFHJJJDAFB.exe	RegAsm.exe
PID 2632 wrote to memory of 2656	2632	BFHJJJDAFB.exe	RegAsm.exe
PID 2632 wrote to memory of 2656	2632	BFHJJJDAFB.exe	RegAsm.exe
PID 2632 wrote to memory of 2656	2632	BFHJJJDAFB.exe	RegAsm.exe
PID 2632 wrote to memory of 2656	2632	BFHJJJDAFB.exe	RegAsm.exe
PID 5084 wrote to memory of 4916	5084	MSBuild.exe	cmd.exe
PID 5084 wrote to memory of 4916	5084	MSBuild.exe	cmd.exe
PID 5084 wrote to memory of 4916	5084	MSBuild.exe	cmd.exe
PID 4916 wrote to memory of 2384	4916	cmd.exe	timeout.exe
PID 4916 wrote to memory of 2384	4916	cmd.exe	timeout.exe
PID 4916 wrote to memory of 2384	4916	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\a928fc7218f8b916a6c386f500634dc2f31772ed5da82173b257ccf4371bdee7.exe
"C:\Users\Admin\AppData\Local\Temp\a928fc7218f8b916a6c386f500634dc2f31772ed5da82173b257ccf4371bdee7.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4588

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
2⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5084

C:\ProgramData\BFHJJJDAFB.exe
"C:\ProgramData\BFHJJJDAFB.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2632

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
4⤵
PID:1688

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
4⤵
PID:2656

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2632 -s 296
4⤵
- Program crash
PID:1700

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\FCFBGIDAEHCF" & exit
3⤵
- Suspicious use of WriteProcessMemory
PID:4916

C:\Windows\SysWOW64\timeout.exe
timeout /t 10
4⤵
- Delays execution with timeout.exe
PID:2384

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\ProgramData\BFHJJJDAFB.exe
Filesize
516KB

MD5
0309dd0131150796ea99b30a62194fae

SHA1
2df6e334708eae810a74b844fd57e18e9fdc34cd

SHA256
07c09ba5a84f619e5b83a54298ffc58d20b00f14399c7a94b7f02b70efc60f35

SHA512
3d4e5a0718d04fee92d8040880b631107d1e23a6b3bce430d58769179af999c28b99e50c5cd45f283339f7bbb24ffacbf601a5447edb12e28da4517fbfa282e8

Download Submit
memory/4588-26-0x0000000005230000-0x0000000005245000-memory.dmp

Filesize
84KB

Download
memory/4588-22-0x0000000005230000-0x0000000005245000-memory.dmp

Filesize
84KB

Download
memory/4588-3-0x0000000005190000-0x000000000519A000-memory.dmp

Filesize
40KB

Download
memory/4588-46-0x0000000005230000-0x0000000005245000-memory.dmp

Filesize
84KB

Download
memory/4588-5-0x0000000005390000-0x000000000549C000-memory.dmp

Filesize
1.0MB

Download
memory/4588-6-0x0000000005230000-0x000000000524C000-memory.dmp

Filesize
112KB

Download
memory/4588-16-0x0000000005230000-0x0000000005245000-memory.dmp

Filesize
84KB

Download
memory/4588-60-0x0000000005230000-0x0000000005245000-memory.dmp

Filesize
84KB

Download
memory/4588-66-0x0000000005230000-0x0000000005245000-memory.dmp

Filesize
84KB

Download
memory/4588-67-0x0000000073980000-0x000000007406E000-memory.dmp

Filesize
6.9MB

Download
memory/4588-44-0x0000000005230000-0x0000000005245000-memory.dmp

Filesize
84KB

Download
memory/4588-72-0x0000000073980000-0x000000007406E000-memory.dmp

Filesize
6.9MB

Download
memory/4588-7-0x0000000005230000-0x0000000005245000-memory.dmp

Filesize
84KB

Download
memory/4588-8-0x0000000005230000-0x0000000005245000-memory.dmp

Filesize
84KB

Download
memory/4588-64-0x0000000005230000-0x0000000005245000-memory.dmp

Filesize
84KB

Download
memory/4588-62-0x0000000005230000-0x0000000005245000-memory.dmp

Filesize
84KB

Download
memory/4588-58-0x0000000005230000-0x0000000005245000-memory.dmp

Filesize
84KB

Download
memory/4588-42-0x0000000005230000-0x0000000005245000-memory.dmp

Filesize
84KB

Download
memory/4588-54-0x0000000005230000-0x0000000005245000-memory.dmp

Filesize
84KB

Download
memory/4588-52-0x0000000005230000-0x0000000005245000-memory.dmp

Filesize
84KB

Download
memory/4588-50-0x0000000005230000-0x0000000005245000-memory.dmp

Filesize
84KB

Download
memory/4588-48-0x0000000005230000-0x0000000005245000-memory.dmp

Filesize
84KB

Download
memory/4588-4-0x0000000073980000-0x000000007406E000-memory.dmp

Filesize
6.9MB

Download
memory/4588-1-0x0000000000570000-0x00000000009C2000-memory.dmp

Filesize
4.3MB

Download
memory/4588-56-0x0000000005230000-0x0000000005245000-memory.dmp

Filesize
84KB

Download
memory/4588-40-0x0000000005230000-0x0000000005245000-memory.dmp

Filesize
84KB

Download
memory/4588-38-0x0000000005230000-0x0000000005245000-memory.dmp

Filesize
84KB

Download
memory/4588-36-0x0000000005230000-0x0000000005245000-memory.dmp

Filesize
84KB

Download
memory/4588-35-0x0000000005230000-0x0000000005245000-memory.dmp

Filesize
84KB

Download
memory/4588-32-0x0000000005230000-0x0000000005245000-memory.dmp

Filesize
84KB

Download
memory/4588-30-0x0000000005230000-0x0000000005245000-memory.dmp

Filesize
84KB

Download
memory/4588-28-0x0000000005230000-0x0000000005245000-memory.dmp

Filesize
84KB

Download
memory/4588-0-0x000000007398E000-0x000000007398F000-memory.dmp

Filesize
4KB

Download
memory/4588-24-0x0000000005230000-0x0000000005245000-memory.dmp

Filesize
84KB

Download
memory/4588-2-0x0000000005280000-0x000000000531C000-memory.dmp

Filesize
624KB

Download
memory/4588-20-0x0000000005230000-0x0000000005245000-memory.dmp

Filesize
84KB

Download
memory/4588-18-0x0000000005230000-0x0000000005245000-memory.dmp

Filesize
84KB

Download
memory/4588-14-0x0000000005230000-0x0000000005245000-memory.dmp

Filesize
84KB

Download
memory/4588-12-0x0000000005230000-0x0000000005245000-memory.dmp

Filesize
84KB

Download
memory/4588-10-0x0000000005230000-0x0000000005245000-memory.dmp

Filesize
84KB

Download
memory/5084-68-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/5084-73-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/5084-88-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/5084-70-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/5084-125-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download