lumma | 86bb9a397e62d756578dbe6c40cc07050f2066db6fb5d54499e03469a7cdccd5

Analysis

max time kernel
195s
max time network
256s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
05/09/2024, 22:43

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General

Target
86bb9a397e62d756578dbe6c40cc07050f2066db6fb5d54499e03469a7cdccd5.exe
Size 206KB
Sample240905-2m9dpasdrl
SHA256 86bb9a397e62d756578dbe6c40cc07050f2066db6fb5d54499e03469a7cdccd5
MD5 ab68db6a238464a75b669938a3512ae1
SHA1 48a7e2ed179d29d783d55fe610598474825bdf95
SHA512 b811a8f5d3d2fab469a97a9a0d59d6b132b4fecbc7048dd203d25c938e7047b487e9a85799f8d9b04c0e01f307f3ff1bd0c3af967a8813c3ab0d72c69650364c
SSDEEP 6144:DYwI7yviKKJGngBT7nI5n6gtJuMM2lxG5IvjKEO:DYwIueBT7IRntJuMPXZKEO
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

lumma stealc vidar default credential_access discovery spyware stealer

Malware Config

Extracted

Family

stealc

Botnet

default

http://46.8.231.109

Attributes

url_path
/c4754d4f680ead72.php

Extracted

Family

vidar

https://t.me/fneogr
https://t.me/edm0d
https://steamcommunity.com/profiles/76561199768374681

Attributes

user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 OPR/110.0.0.0

Extracted

Family

lumma

https://condedqpwqm.shop/api

Signatures

Detect Vidar Stealer 5 IoCs

stealer

resource	yara_rule
behavioral2/memory/2316-83-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/2316-89-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/2316-87-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/2316-101-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/2316-102-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7

Lumma Stealer, LummaC
Lumma or LummaC is 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
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
Downloads MZ/PE file

Executes dropped EXE 2 IoCs

pid	Process
1088	AdminDAAFIIJDAA.exe
3864	AdminHIIEGHJJDG.exe

Loads dropped DLL 2 IoCs

pid	Process
1960	RegAsm.exe
1960	RegAsm.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4924 set thread context of 1960	4924	86bb9a397e62d756578dbe6c40cc07050f2066db6fb5d54499e03469a7cdccd5.exe	75
PID 1088 set thread context of 2316	1088	AdminDAAFIIJDAA.exe	82
PID 3864 set thread context of 4100	3864	AdminHIIEGHJJDG.exe	86

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4124	4100	WerFault.exe	86
3232	4100	WerFault.exe	86

System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	86bb9a397e62d756578dbe6c40cc07050f2066db6fb5d54499e03469a7cdccd5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AdminDAAFIIJDAA.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AdminHIIEGHJJDG.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Checks processor information in registry 2 TTPs 4 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

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

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4496	timeout.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
1960	RegAsm.exe
1960	RegAsm.exe
1960	RegAsm.exe
1960	RegAsm.exe
2316	RegAsm.exe
2316	RegAsm.exe
2316	RegAsm.exe
2316	RegAsm.exe
2316	RegAsm.exe
2316	RegAsm.exe

Suspicious use of WriteProcessMemory 46 IoCs

description	pid	Process	procid_target
PID 4924 wrote to memory of 1960	4924	86bb9a397e62d756578dbe6c40cc07050f2066db6fb5d54499e03469a7cdccd5.exe	75
PID 4924 wrote to memory of 1960	4924	86bb9a397e62d756578dbe6c40cc07050f2066db6fb5d54499e03469a7cdccd5.exe	75
PID 4924 wrote to memory of 1960	4924	86bb9a397e62d756578dbe6c40cc07050f2066db6fb5d54499e03469a7cdccd5.exe	75
PID 4924 wrote to memory of 1960	4924	86bb9a397e62d756578dbe6c40cc07050f2066db6fb5d54499e03469a7cdccd5.exe	75
PID 4924 wrote to memory of 1960	4924	86bb9a397e62d756578dbe6c40cc07050f2066db6fb5d54499e03469a7cdccd5.exe	75
PID 4924 wrote to memory of 1960	4924	86bb9a397e62d756578dbe6c40cc07050f2066db6fb5d54499e03469a7cdccd5.exe	75
PID 4924 wrote to memory of 1960	4924	86bb9a397e62d756578dbe6c40cc07050f2066db6fb5d54499e03469a7cdccd5.exe	75
PID 4924 wrote to memory of 1960	4924	86bb9a397e62d756578dbe6c40cc07050f2066db6fb5d54499e03469a7cdccd5.exe	75
PID 4924 wrote to memory of 1960	4924	86bb9a397e62d756578dbe6c40cc07050f2066db6fb5d54499e03469a7cdccd5.exe	75
PID 1960 wrote to memory of 2336	1960	RegAsm.exe	76
PID 1960 wrote to memory of 2336	1960	RegAsm.exe	76
PID 1960 wrote to memory of 2336	1960	RegAsm.exe	76
PID 2336 wrote to memory of 1088	2336	cmd.exe	78
PID 2336 wrote to memory of 1088	2336	cmd.exe	78
PID 2336 wrote to memory of 1088	2336	cmd.exe	78
PID 1960 wrote to memory of 4128	1960	RegAsm.exe	80
PID 1960 wrote to memory of 4128	1960	RegAsm.exe	80
PID 1960 wrote to memory of 4128	1960	RegAsm.exe	80
PID 1088 wrote to memory of 2316	1088	AdminDAAFIIJDAA.exe	82
PID 1088 wrote to memory of 2316	1088	AdminDAAFIIJDAA.exe	82
PID 1088 wrote to memory of 2316	1088	AdminDAAFIIJDAA.exe	82
PID 1088 wrote to memory of 2316	1088	AdminDAAFIIJDAA.exe	82
PID 1088 wrote to memory of 2316	1088	AdminDAAFIIJDAA.exe	82
PID 1088 wrote to memory of 2316	1088	AdminDAAFIIJDAA.exe	82
PID 1088 wrote to memory of 2316	1088	AdminDAAFIIJDAA.exe	82
PID 1088 wrote to memory of 2316	1088	AdminDAAFIIJDAA.exe	82
PID 1088 wrote to memory of 2316	1088	AdminDAAFIIJDAA.exe	82
PID 1088 wrote to memory of 2316	1088	AdminDAAFIIJDAA.exe	82
PID 4128 wrote to memory of 3864	4128	cmd.exe	83
PID 4128 wrote to memory of 3864	4128	cmd.exe	83
PID 4128 wrote to memory of 3864	4128	cmd.exe	83
PID 3864 wrote to memory of 4100	3864	AdminHIIEGHJJDG.exe	86
PID 3864 wrote to memory of 4100	3864	AdminHIIEGHJJDG.exe	86
PID 3864 wrote to memory of 4100	3864	AdminHIIEGHJJDG.exe	86
PID 3864 wrote to memory of 4100	3864	AdminHIIEGHJJDG.exe	86
PID 3864 wrote to memory of 4100	3864	AdminHIIEGHJJDG.exe	86
PID 3864 wrote to memory of 4100	3864	AdminHIIEGHJJDG.exe	86
PID 3864 wrote to memory of 4100	3864	AdminHIIEGHJJDG.exe	86
PID 3864 wrote to memory of 4100	3864	AdminHIIEGHJJDG.exe	86
PID 3864 wrote to memory of 4100	3864	AdminHIIEGHJJDG.exe	86
PID 2316 wrote to memory of 596	2316	RegAsm.exe	87
PID 2316 wrote to memory of 596	2316	RegAsm.exe	87
PID 2316 wrote to memory of 596	2316	RegAsm.exe	87
PID 596 wrote to memory of 4496	596	cmd.exe	89
PID 596 wrote to memory of 4496	596	cmd.exe	89
PID 596 wrote to memory of 4496	596	cmd.exe	89

C:\Users\Admin\AppData\Local\Temp\86bb9a397e62d756578dbe6c40cc07050f2066db6fb5d54499e03469a7cdccd5.exe
"C:\Users\Admin\AppData\Local\Temp\86bb9a397e62d756578dbe6c40cc07050f2066db6fb5d54499e03469a7cdccd5.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4924
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1960
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\AdminDAAFIIJDAA.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2336
  - - C:\Users\AdminDAAFIIJDAA.exe
      "C:\Users\AdminDAAFIIJDAA.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:1088
    - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        5⤵
        System Location Discovery: System Language Discovery
        Checks processor information in registry
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of WriteProcessMemory
        
        PID:2316
      - C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe" & rd /s /q "C:\ProgramData\KEGCBKKJDHJJ" & exit
        6⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:596
        
        C:\Windows\SysWOW64\timeout.exe
        
        timeout /t 10
        7⤵
        System Location Discovery: System Language Discovery
        Delays execution with timeout.exe
        
        PID:4496
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\AdminHIIEGHJJDG.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4128
  - - C:\Users\AdminHIIEGHJJDG.exe
      "C:\Users\AdminHIIEGHJJDG.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:3864
    - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:4100
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4100 -s 1336
        6⤵
        Program crash
        
        PID:3232
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4100 -s 1320
        6⤵
        Program crash
        
        PID:4124

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

AdminDAAFIIJDAA.exe

Path C:\Users\AdminDAAFIIJDAA.exe
Size 294KB
SHA256 cb9ca223f5e98809598485f85c430f7fea0cdb6b2d767da0611ee0380036a024
MD5 4a08ed70e411129fd93c3912fd4b2378
SHA1 c75532864eb71e9a64adb7c0c5dba53300173c54
SHA512 d8c8796fc487ceee4106fb429002e836c17476b19357750b4a8bf477e6cbcf9dff2e1e1ab1840e332207a810245b388c7767539b74337c65e1e8328c3b736459
SSDEEP 6144:M5HIh//jdDBLWrotJVPYbU1OBEuQwK9t59D+9N/Eyhq48yc0W3gQFfq2Av6fEO:kIpZBXJVPROCPwK9tHXyVTWBqLv6fEO
MD5 SHA1 SHA512 SSDEEP

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AdminHIIEGHJJDG.exe

Path C:\Users\AdminHIIEGHJJDG.exe
Size 345KB
SHA256 b713e25a919ff9981e87d770ef46432843c3ffdb3d395564a7dc65bb55fa420e
MD5 197d0030a586a58018e1b782ad30aac2
SHA1 b1f31df2a1325581b42d721175192b34454075b3
SHA512 8d01bff9ebb6795b85c143aac184f04b0483e2a2ddcd6aeaf5fe491521ad96f2756c6e9162fbff941f6e22712d5975d88fa14a32cc0b59269335b5efed2d49e5
SSDEEP 6144:HCscw+zLtJ08v3OFg8heEd/AWIEjIizwvM/MCkBwIvHm413YhkXR7oEO:5MLj08vgg8heEOv0lUth+4FYhucEO
MD5 SHA1 SHA512 SSDEEP

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mozglue.dll

Path \ProgramData\mozglue.dll
Size 593KB
SHA256 ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
MD5 c8fd9be83bc728cc04beffafc2907fe9
SHA1 95ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA512 fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
SSDEEP 12288:BlSyAom/gcRKMdRm4wFkRHuyG4RRGJVDjMk/x21R8gY/r:BKgcRKMdRm4wFkVVDGJVv//x21R8br
MD5 SHA1 SHA512 SSDEEP

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nss3.dll

Path \ProgramData\nss3.dll
Size 2.0MB
SHA256 ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
MD5 1cc453cdf74f31e4d913ff9c10acdde2
SHA1 6e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA512 dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
SSDEEP 49152:fECf12gikHlnKGxJRIB+y5nvxnaOSJ3HFNWYrVvE4CQsgzMmQfTU1NrWmy4KoAzh:J7Tf8J1Q+SS5/nr
MD5 SHA1 SHA512 SSDEEP

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memory/1088-77-0x000000007214E000-0x000000007214F000-memory.dmp

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memory/1088-78-0x00000000002C0000-0x000000000030E000-memory.dmp

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memory/1960-105-0x0000000000400000-0x0000000000643000-memory.dmp

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memory/1960-6-0x0000000000400000-0x0000000000643000-memory.dmp

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memory/1960-3-0x0000000000400000-0x0000000000643000-memory.dmp

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memory/1960-104-0x0000000000400000-0x0000000000643000-memory.dmp

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memory/1960-8-0x0000000000400000-0x0000000000643000-memory.dmp

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memory/1960-9-0x0000000061E00000-0x0000000061EF3000-memory.dmp

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memory/2316-83-0x0000000000400000-0x0000000000657000-memory.dmp

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memory/2316-89-0x0000000000400000-0x0000000000657000-memory.dmp

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memory/2316-87-0x0000000000400000-0x0000000000657000-memory.dmp

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memory/2316-101-0x0000000000400000-0x0000000000657000-memory.dmp

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memory/2316-102-0x0000000000400000-0x0000000000657000-memory.dmp

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memory/3864-93-0x00000000000A0000-0x00000000000FA000-memory.dmp

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memory/4100-96-0x0000000000400000-0x000000000045B000-memory.dmp

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memory/4100-100-0x0000000000400000-0x000000000045B000-memory.dmp

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memory/4100-98-0x0000000000400000-0x000000000045B000-memory.dmp

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memory/4924-0-0x00000000735EE000-0x00000000735EF000-memory.dmp

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memory/4924-103-0x00000000735E0000-0x0000000073CCE000-memory.dmp

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memory/4924-7-0x00000000735E0000-0x0000000073CCE000-memory.dmp

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memory/4924-1-0x00000000009F0000-0x0000000000A28000-memory.dmp

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