lumma | 7dc3d6e633cbabe95c39fa36f94ab6657e3c04dab7a9a6c1f79c9e2424378e00

Analysis

max time kernel
120s
max time network
126s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-10-2024 00:44

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General

Target

a72af6c3293eb3061bba1e48ba6147de.exe
Size

571KB
MD5

a72af6c3293eb3061bba1e48ba6147de
SHA1

316276ac440f65361db52e49a7fc4d2a9be1f457
SHA256

7dc3d6e633cbabe95c39fa36f94ab6657e3c04dab7a9a6c1f79c9e2424378e00
SHA512

3bea2955df160fc3ce1ad61c0cf1a6946bf4d12147596e63ff3eb359db9af4f32ea8e0595c65bec0d5651f76a029a9afac621fab08e5e21c7b1f8794740617ca
SSDEEP

12288:eMs0xfgBSzc9gm8naRK1RDr/EbeWsFU37LpZdE3f8Hcz74S:eWfgv8naRK1Ncbe5S/jsf8SU

Score

10^/10

lumma vidar 4a5bc8b73e12425adc3c399da8136891 credential_access discovery spyware stealer

Malware Config

Extracted

Family

vidar

Botnet

4a5bc8b73e12425adc3c399da8136891

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 16 IoCs

stealer

resource	yara_rule
behavioral1/memory/2768-6-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2768-10-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2768-13-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2768-8-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2768-5-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2768-4-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2768-147-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2768-166-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2768-200-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2768-219-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2768-263-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2768-351-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2768-370-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2768-413-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2768-432-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2768-544-0x0000000000400000-0x0000000000676000-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
1852	ECGDBFCBKF.exe

Loads dropped DLL 14 IoCs

pid	Process
2768	MSBuild.exe
2768	MSBuild.exe
2768	MSBuild.exe
2768	MSBuild.exe
2768	MSBuild.exe
2768	MSBuild.exe
2768	MSBuild.exe
1356	WerFault.exe
1356	WerFault.exe
1356	WerFault.exe
1356	WerFault.exe
1356	WerFault.exe
1356	WerFault.exe
1356	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 2692 set thread context of 2768	2692	a72af6c3293eb3061bba1e48ba6147de.exe	30
PID 1852 set thread context of 2024	1852	ECGDBFCBKF.exe	35

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3012	2692	WerFault.exe	29
1356	1852	WerFault.exe	34

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	ECGDBFCBKF.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	a72af6c3293eb3061bba1e48ba6147de.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
556	timeout.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2768	MSBuild.exe
2768	MSBuild.exe
2768	MSBuild.exe
2768	MSBuild.exe
2768	MSBuild.exe
2768	MSBuild.exe
2768	MSBuild.exe
2768	MSBuild.exe
2768	MSBuild.exe
2768	MSBuild.exe
2768	MSBuild.exe
2768	MSBuild.exe
2768	MSBuild.exe
2768	MSBuild.exe

Suspicious use of WriteProcessMemory 41 IoCs

description	pid	Process	procid_target
PID 2692 wrote to memory of 2768	2692	a72af6c3293eb3061bba1e48ba6147de.exe	30
PID 2692 wrote to memory of 2768	2692	a72af6c3293eb3061bba1e48ba6147de.exe	30
PID 2692 wrote to memory of 2768	2692	a72af6c3293eb3061bba1e48ba6147de.exe	30
PID 2692 wrote to memory of 2768	2692	a72af6c3293eb3061bba1e48ba6147de.exe	30
PID 2692 wrote to memory of 2768	2692	a72af6c3293eb3061bba1e48ba6147de.exe	30
PID 2692 wrote to memory of 2768	2692	a72af6c3293eb3061bba1e48ba6147de.exe	30
PID 2692 wrote to memory of 2768	2692	a72af6c3293eb3061bba1e48ba6147de.exe	30
PID 2692 wrote to memory of 2768	2692	a72af6c3293eb3061bba1e48ba6147de.exe	30
PID 2692 wrote to memory of 2768	2692	a72af6c3293eb3061bba1e48ba6147de.exe	30
PID 2692 wrote to memory of 2768	2692	a72af6c3293eb3061bba1e48ba6147de.exe	30
PID 2692 wrote to memory of 2768	2692	a72af6c3293eb3061bba1e48ba6147de.exe	30
PID 2692 wrote to memory of 3012	2692	a72af6c3293eb3061bba1e48ba6147de.exe	31
PID 2692 wrote to memory of 3012	2692	a72af6c3293eb3061bba1e48ba6147de.exe	31
PID 2692 wrote to memory of 3012	2692	a72af6c3293eb3061bba1e48ba6147de.exe	31
PID 2692 wrote to memory of 3012	2692	a72af6c3293eb3061bba1e48ba6147de.exe	31
PID 2768 wrote to memory of 1852	2768	MSBuild.exe	34
PID 2768 wrote to memory of 1852	2768	MSBuild.exe	34
PID 2768 wrote to memory of 1852	2768	MSBuild.exe	34
PID 2768 wrote to memory of 1852	2768	MSBuild.exe	34
PID 1852 wrote to memory of 2024	1852	ECGDBFCBKF.exe	35
PID 1852 wrote to memory of 2024	1852	ECGDBFCBKF.exe	35
PID 1852 wrote to memory of 2024	1852	ECGDBFCBKF.exe	35
PID 1852 wrote to memory of 2024	1852	ECGDBFCBKF.exe	35
PID 1852 wrote to memory of 2024	1852	ECGDBFCBKF.exe	35
PID 1852 wrote to memory of 2024	1852	ECGDBFCBKF.exe	35
PID 1852 wrote to memory of 2024	1852	ECGDBFCBKF.exe	35
PID 1852 wrote to memory of 2024	1852	ECGDBFCBKF.exe	35
PID 1852 wrote to memory of 2024	1852	ECGDBFCBKF.exe	35
PID 1852 wrote to memory of 2024	1852	ECGDBFCBKF.exe	35
PID 1852 wrote to memory of 1356	1852	ECGDBFCBKF.exe	36
PID 1852 wrote to memory of 1356	1852	ECGDBFCBKF.exe	36
PID 1852 wrote to memory of 1356	1852	ECGDBFCBKF.exe	36
PID 1852 wrote to memory of 1356	1852	ECGDBFCBKF.exe	36
PID 2768 wrote to memory of 1508	2768	MSBuild.exe	37
PID 2768 wrote to memory of 1508	2768	MSBuild.exe	37
PID 2768 wrote to memory of 1508	2768	MSBuild.exe	37
PID 2768 wrote to memory of 1508	2768	MSBuild.exe	37
PID 1508 wrote to memory of 556	1508	cmd.exe	39
PID 1508 wrote to memory of 556	1508	cmd.exe	39
PID 1508 wrote to memory of 556	1508	cmd.exe	39
PID 1508 wrote to memory of 556	1508	cmd.exe	39

C:\Users\Admin\AppData\Local\Temp\a72af6c3293eb3061bba1e48ba6147de.exe
"C:\Users\Admin\AppData\Local\Temp\a72af6c3293eb3061bba1e48ba6147de.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2692
- 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:2768
- - C:\ProgramData\ECGDBFCBKF.exe
    "C:\ProgramData\ECGDBFCBKF.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1852
  - - 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:2024
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1852 -s 52
      4⤵
      Loads dropped DLL
      Program crash
      PID:1356
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\AKFHDBFIDAEC" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1508
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:556
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2692 -s 52
  2⤵
  - Program crash
  PID:3012

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
4ee7dd92a2c47a8c5527cb7b9b0dd26b

SHA1
581de7aa9450d1f86eff1334145c0bceb4f8ee51

SHA256
cc6bb9b47ecd8a5ed83eabcc49ac34ddc571d667ec36fcbd1e85d15a4ad62f06

SHA512
5a15294c97318d480e6a5273aae6f6a23898444d15b694f009fbe4b51e521fc50ad19c84a814b5502c9d6e875fe843a77c12c5facb31c0b47da2c3e6ea3b388a

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab40CA.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar411B.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
\ProgramData\ECGDBFCBKF.exe

Filesize
538KB

MD5
3efc73bb21b794bc0f39690fc48a4853

SHA1
875a2b39260db4c24c9c53b351d808edf0d6e019

SHA256
93bd0a8b49c37ae06b2f371f4fd1be25228033121411ee4b19bdf932396e94ec

SHA512
8ee52386bafc2848cf9c10a76943bb81b028e29043a269dea2efdeb92a69ac04cfc14be7c59f501855ce455da62bb361a725e09a244c0d440dc2884c0055789a

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/2024-517-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2024-516-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2024-518-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2024-514-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2024-506-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2024-512-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2024-510-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2024-508-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2692-0-0x000000000134D000-0x000000000134F000-memory.dmp

Filesize
8KB

Download
memory/2768-1-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2768-2-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2768-200-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2768-219-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2768-263-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2768-166-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2768-147-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2768-351-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2768-370-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2768-413-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2768-432-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2768-185-0x0000000020260000-0x00000000204BF000-memory.dmp

Filesize
2.4MB

Download
memory/2768-3-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2768-4-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2768-5-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2768-7-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2768-8-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2768-13-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2768-10-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2768-6-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2768-544-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download