lumma | 428443b4eec33a6f84f7f0968f4d2f67cdf0fb4981fd520edc6759620cff20de

Analysis

max time kernel
70s
max time network
54s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08/10/2024, 09:41

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General

Target

428443b4eec33a6f84f7f0968f4d2f67cdf0fb4981fd520edc6759620cff20de.exe
Size

571KB
MD5

5954cc052f68abcdc9f2310ee5317b76
SHA1

7d99ef2c31fd1577fad8306d0f895bbdc78a2493
SHA256

428443b4eec33a6f84f7f0968f4d2f67cdf0fb4981fd520edc6759620cff20de
SHA512

1592039e03d44f583d1e23e550407d210d768e31765610f51391fe62301dc45c3d003b8ca6ee6709fc83ab15762e79c859c9bc4ac76764bc853fb932e9de1dae
SSDEEP

12288:GVEcpXoWDMzJvSpVDuvZHpDrBPZpDIK/QD2OBpEUV4S:GfXo/vSzqvXHvpDz/QD2Oru

Score

10^/10

lumma vidar c0c7c802c4ec94ab4c7fcd88c588698c credential_access discovery spyware stealer

Malware Config

Extracted

Family

vidar

Botnet

c0c7c802c4ec94ab4c7fcd88c588698c

https://t.me/maslengdsa

https://steamcommunity.com/profiles/76561199786602107

https://t.me/lpnjoke

Attributes

user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:130.0) Gecko/20100101 Firefox/130.0

Extracted

Family

lumma

Signatures

Detect Vidar Stealer 15 IoCs

stealer

resource	yara_rule
behavioral1/memory/320-10-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/320-8-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/320-13-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/320-6-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/320-5-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/320-4-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/320-147-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/320-166-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/320-200-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/320-219-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/320-350-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/320-369-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/320-412-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/320-431-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/320-543-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7

Lumma Stealer, LummaC
Lumma or LummaC is an infostealer written in C++ first seen in August 2022.
stealer lumma
Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Downloads MZ/PE file

Executes dropped EXE 1 IoCs

pid	Process
1960	EHCBAAAFHJ.exe

Loads dropped DLL 14 IoCs

pid	Process
320	MSBuild.exe
320	MSBuild.exe
320	MSBuild.exe
320	MSBuild.exe
320	MSBuild.exe
320	MSBuild.exe
320	MSBuild.exe
1956	WerFault.exe
1956	WerFault.exe
1956	WerFault.exe
1956	WerFault.exe
1956	WerFault.exe
1956	WerFault.exe
1956	WerFault.exe

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

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2136 set thread context of 320	2136	428443b4eec33a6f84f7f0968f4d2f67cdf0fb4981fd520edc6759620cff20de.exe	31
PID 1960 set thread context of 900	1960	EHCBAAAFHJ.exe	36

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2924	2136	WerFault.exe	29
1956	1960	WerFault.exe	35

System Location Discovery: System Language Discovery 1 TTPs 6 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	EHCBAAAFHJ.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	428443b4eec33a6f84f7f0968f4d2f67cdf0fb4981fd520edc6759620cff20de.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.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

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

pid	Process
2548	timeout.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
320	MSBuild.exe
320	MSBuild.exe
320	MSBuild.exe
320	MSBuild.exe
320	MSBuild.exe
320	MSBuild.exe

Suspicious use of WriteProcessMemory 45 IoCs

description	pid	Process	procid_target
PID 2136 wrote to memory of 2112	2136	428443b4eec33a6f84f7f0968f4d2f67cdf0fb4981fd520edc6759620cff20de.exe	30
PID 2136 wrote to memory of 2112	2136	428443b4eec33a6f84f7f0968f4d2f67cdf0fb4981fd520edc6759620cff20de.exe	30
PID 2136 wrote to memory of 2112	2136	428443b4eec33a6f84f7f0968f4d2f67cdf0fb4981fd520edc6759620cff20de.exe	30
PID 2136 wrote to memory of 2112	2136	428443b4eec33a6f84f7f0968f4d2f67cdf0fb4981fd520edc6759620cff20de.exe	30
PID 2136 wrote to memory of 320	2136	428443b4eec33a6f84f7f0968f4d2f67cdf0fb4981fd520edc6759620cff20de.exe	31
PID 2136 wrote to memory of 320	2136	428443b4eec33a6f84f7f0968f4d2f67cdf0fb4981fd520edc6759620cff20de.exe	31
PID 2136 wrote to memory of 320	2136	428443b4eec33a6f84f7f0968f4d2f67cdf0fb4981fd520edc6759620cff20de.exe	31
PID 2136 wrote to memory of 320	2136	428443b4eec33a6f84f7f0968f4d2f67cdf0fb4981fd520edc6759620cff20de.exe	31
PID 2136 wrote to memory of 320	2136	428443b4eec33a6f84f7f0968f4d2f67cdf0fb4981fd520edc6759620cff20de.exe	31
PID 2136 wrote to memory of 320	2136	428443b4eec33a6f84f7f0968f4d2f67cdf0fb4981fd520edc6759620cff20de.exe	31
PID 2136 wrote to memory of 320	2136	428443b4eec33a6f84f7f0968f4d2f67cdf0fb4981fd520edc6759620cff20de.exe	31
PID 2136 wrote to memory of 320	2136	428443b4eec33a6f84f7f0968f4d2f67cdf0fb4981fd520edc6759620cff20de.exe	31
PID 2136 wrote to memory of 320	2136	428443b4eec33a6f84f7f0968f4d2f67cdf0fb4981fd520edc6759620cff20de.exe	31
PID 2136 wrote to memory of 320	2136	428443b4eec33a6f84f7f0968f4d2f67cdf0fb4981fd520edc6759620cff20de.exe	31
PID 2136 wrote to memory of 320	2136	428443b4eec33a6f84f7f0968f4d2f67cdf0fb4981fd520edc6759620cff20de.exe	31
PID 2136 wrote to memory of 2924	2136	428443b4eec33a6f84f7f0968f4d2f67cdf0fb4981fd520edc6759620cff20de.exe	32
PID 2136 wrote to memory of 2924	2136	428443b4eec33a6f84f7f0968f4d2f67cdf0fb4981fd520edc6759620cff20de.exe	32
PID 2136 wrote to memory of 2924	2136	428443b4eec33a6f84f7f0968f4d2f67cdf0fb4981fd520edc6759620cff20de.exe	32
PID 2136 wrote to memory of 2924	2136	428443b4eec33a6f84f7f0968f4d2f67cdf0fb4981fd520edc6759620cff20de.exe	32
PID 320 wrote to memory of 1960	320	MSBuild.exe	35
PID 320 wrote to memory of 1960	320	MSBuild.exe	35
PID 320 wrote to memory of 1960	320	MSBuild.exe	35
PID 320 wrote to memory of 1960	320	MSBuild.exe	35
PID 1960 wrote to memory of 900	1960	EHCBAAAFHJ.exe	36
PID 1960 wrote to memory of 900	1960	EHCBAAAFHJ.exe	36
PID 1960 wrote to memory of 900	1960	EHCBAAAFHJ.exe	36
PID 1960 wrote to memory of 900	1960	EHCBAAAFHJ.exe	36
PID 1960 wrote to memory of 900	1960	EHCBAAAFHJ.exe	36
PID 1960 wrote to memory of 900	1960	EHCBAAAFHJ.exe	36
PID 1960 wrote to memory of 900	1960	EHCBAAAFHJ.exe	36
PID 1960 wrote to memory of 900	1960	EHCBAAAFHJ.exe	36
PID 1960 wrote to memory of 900	1960	EHCBAAAFHJ.exe	36
PID 1960 wrote to memory of 900	1960	EHCBAAAFHJ.exe	36
PID 1960 wrote to memory of 1956	1960	EHCBAAAFHJ.exe	37
PID 1960 wrote to memory of 1956	1960	EHCBAAAFHJ.exe	37
PID 1960 wrote to memory of 1956	1960	EHCBAAAFHJ.exe	37
PID 1960 wrote to memory of 1956	1960	EHCBAAAFHJ.exe	37
PID 320 wrote to memory of 2632	320	MSBuild.exe	38
PID 320 wrote to memory of 2632	320	MSBuild.exe	38
PID 320 wrote to memory of 2632	320	MSBuild.exe	38
PID 320 wrote to memory of 2632	320	MSBuild.exe	38
PID 2632 wrote to memory of 2548	2632	cmd.exe	40
PID 2632 wrote to memory of 2548	2632	cmd.exe	40
PID 2632 wrote to memory of 2548	2632	cmd.exe	40
PID 2632 wrote to memory of 2548	2632	cmd.exe	40

C:\Users\Admin\AppData\Local\Temp\428443b4eec33a6f84f7f0968f4d2f67cdf0fb4981fd520edc6759620cff20de.exe
"C:\Users\Admin\AppData\Local\Temp\428443b4eec33a6f84f7f0968f4d2f67cdf0fb4981fd520edc6759620cff20de.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2136
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  PID:2112
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:320
- - C:\ProgramData\EHCBAAAFHJ.exe
    "C:\ProgramData\EHCBAAAFHJ.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1960
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      4⤵
      System Location Discovery: System Language Discovery
      PID:900
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1960 -s 52
      4⤵
      Loads dropped DLL
      Program crash
      PID:1956
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\FHCBGIIJKEBF" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2632
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:2548
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2136 -s 60
  2⤵
  - Program crash
  PID:2924

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
ee18b58744fbd5889560f0108d9b45a0

SHA1
e16ef7af7dcbd8e7398fee4b9e34b591b8005b41

SHA256
91e6349caa50d8de9202d6b59913361365f700ffdac400e1ec10d2fa1fabc4c0

SHA512
2ca464bc6b93a3dc55d2525e24d259e32f7106680d045d8d7558f4896c60ad6b6f2446d5faecad5da7501995a5f854bda4c2d7d4cbd76a506d0ca356bb0e6107

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab982C.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar98CB.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
\ProgramData\EHCBAAAFHJ.exe

Filesize
538KB

MD5
a0bd9922657cc6e27ca2f5c359a537f6

SHA1
ebc141270f3a50d1a7f4cd5c379c0fc391c605d7

SHA256
92a98663c73a42b131e32998dc5e9998f24e5f03d712857a33478bbf96d4c761

SHA512
44ee59f46125ed5b7ed498b01004a63f8e30d49a5e920958320ded3f340fe274388d48afc3d089549c4f7180165f302305cb018fd2b41e30fb00df89d3a91c37

Download Submit
\ProgramData\mozglue.dll

Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
\ProgramData\nss3.dll

Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
memory/320-186-0x000000001D990000-0x000000001DBEF000-memory.dmp

Filesize
2.4MB

Download
memory/320-8-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/320-4-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/320-3-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/320-2-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/320-6-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/320-7-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/320-13-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/320-147-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/320-166-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/320-543-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/320-200-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/320-219-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/320-5-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/320-10-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/320-350-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/320-369-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/320-412-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/320-431-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/320-1-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/900-506-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/900-516-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/900-513-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/900-512-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/900-510-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/900-507-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/900-517-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2136-0-0x00000000013ED000-0x00000000013EF000-memory.dmp

Filesize
8KB

Download