lumma | c7a9b126d27a142ad49c3b46591716348393efae2bf563df648701827bd7f80c

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06-10-2024 19:40

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General

Target

c7a9b126d27a142ad49c3b46591716348393efae2bf563df648701827bd7f80c.exe
Size

559KB
MD5

2ab4c1827edd0f4dc810cf0f9b3bd30d
SHA1

a32347945672d6c1b7bd275f2d62b62d9749bebb
SHA256

c7a9b126d27a142ad49c3b46591716348393efae2bf563df648701827bd7f80c
SHA512

d77b67a0d760ec037c9d2993b4ae0604ee1476ca241eff2ddd3df744a2909f5ee8ac99f9a713fe083a8604d480bacaac2511960945ce67b18fa003d65663214a
SSDEEP

12288:M99eIicBJZdNHYb9KZ6VmdS3WgprdJCf5DrRR0TnrPbEO:EDJrZYxLWgxO/RR0TDbt

Score

10^/10

lumma vidar credential_access discovery spyware stealer

Malware Config

Extracted

Family

vidar

http://proxy.johnmccrea.com/

https://steamcommunity.com/profiles/76561199780418869

https://t.me/ae5ed

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
behavioral2/memory/3020-1-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3020-3-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3020-6-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3020-7-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3020-8-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3020-25-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3020-26-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3020-42-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3020-43-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3020-55-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3020-72-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3020-73-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3020-80-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3020-81-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3020-98-0x0000000000400000-0x0000000000676000-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
1392	BGIJDGCAEB.exe

Loads dropped DLL 2 IoCs

pid	Process
3020	MSBuild.exe
3020	MSBuild.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 3492 set thread context of 3020	3492	c7a9b126d27a142ad49c3b46591716348393efae2bf563df648701827bd7f80c.exe	82
PID 1392 set thread context of 4836	1392	BGIJDGCAEB.exe	98

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4796	3492	WerFault.exe	81

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	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	c7a9b126d27a142ad49c3b46591716348393efae2bf563df648701827bd7f80c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BGIJDGCAEB.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
4472	timeout.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3020	MSBuild.exe
3020	MSBuild.exe
3020	MSBuild.exe
3020	MSBuild.exe
3020	MSBuild.exe
3020	MSBuild.exe
3020	MSBuild.exe
3020	MSBuild.exe

Suspicious use of WriteProcessMemory 37 IoCs

description	pid	Process	procid_target
PID 3492 wrote to memory of 3020	3492	c7a9b126d27a142ad49c3b46591716348393efae2bf563df648701827bd7f80c.exe	82
PID 3492 wrote to memory of 3020	3492	c7a9b126d27a142ad49c3b46591716348393efae2bf563df648701827bd7f80c.exe	82
PID 3492 wrote to memory of 3020	3492	c7a9b126d27a142ad49c3b46591716348393efae2bf563df648701827bd7f80c.exe	82
PID 3492 wrote to memory of 3020	3492	c7a9b126d27a142ad49c3b46591716348393efae2bf563df648701827bd7f80c.exe	82
PID 3492 wrote to memory of 3020	3492	c7a9b126d27a142ad49c3b46591716348393efae2bf563df648701827bd7f80c.exe	82
PID 3492 wrote to memory of 3020	3492	c7a9b126d27a142ad49c3b46591716348393efae2bf563df648701827bd7f80c.exe	82
PID 3492 wrote to memory of 3020	3492	c7a9b126d27a142ad49c3b46591716348393efae2bf563df648701827bd7f80c.exe	82
PID 3492 wrote to memory of 3020	3492	c7a9b126d27a142ad49c3b46591716348393efae2bf563df648701827bd7f80c.exe	82
PID 3492 wrote to memory of 3020	3492	c7a9b126d27a142ad49c3b46591716348393efae2bf563df648701827bd7f80c.exe	82
PID 3492 wrote to memory of 3020	3492	c7a9b126d27a142ad49c3b46591716348393efae2bf563df648701827bd7f80c.exe	82
PID 3020 wrote to memory of 1392	3020	MSBuild.exe	93
PID 3020 wrote to memory of 1392	3020	MSBuild.exe	93
PID 3020 wrote to memory of 1392	3020	MSBuild.exe	93
PID 1392 wrote to memory of 2212	1392	BGIJDGCAEB.exe	95
PID 1392 wrote to memory of 2212	1392	BGIJDGCAEB.exe	95
PID 1392 wrote to memory of 2212	1392	BGIJDGCAEB.exe	95
PID 1392 wrote to memory of 2480	1392	BGIJDGCAEB.exe	96
PID 1392 wrote to memory of 2480	1392	BGIJDGCAEB.exe	96
PID 1392 wrote to memory of 2480	1392	BGIJDGCAEB.exe	96
PID 1392 wrote to memory of 4056	1392	BGIJDGCAEB.exe	97
PID 1392 wrote to memory of 4056	1392	BGIJDGCAEB.exe	97
PID 1392 wrote to memory of 4056	1392	BGIJDGCAEB.exe	97
PID 1392 wrote to memory of 4836	1392	BGIJDGCAEB.exe	98
PID 1392 wrote to memory of 4836	1392	BGIJDGCAEB.exe	98
PID 1392 wrote to memory of 4836	1392	BGIJDGCAEB.exe	98
PID 1392 wrote to memory of 4836	1392	BGIJDGCAEB.exe	98
PID 1392 wrote to memory of 4836	1392	BGIJDGCAEB.exe	98
PID 1392 wrote to memory of 4836	1392	BGIJDGCAEB.exe	98
PID 1392 wrote to memory of 4836	1392	BGIJDGCAEB.exe	98
PID 1392 wrote to memory of 4836	1392	BGIJDGCAEB.exe	98
PID 1392 wrote to memory of 4836	1392	BGIJDGCAEB.exe	98
PID 3020 wrote to memory of 4092	3020	MSBuild.exe	101
PID 3020 wrote to memory of 4092	3020	MSBuild.exe	101
PID 3020 wrote to memory of 4092	3020	MSBuild.exe	101
PID 4092 wrote to memory of 4472	4092	cmd.exe	103
PID 4092 wrote to memory of 4472	4092	cmd.exe	103
PID 4092 wrote to memory of 4472	4092	cmd.exe	103

C:\Users\Admin\AppData\Local\Temp\c7a9b126d27a142ad49c3b46591716348393efae2bf563df648701827bd7f80c.exe
"C:\Users\Admin\AppData\Local\Temp\c7a9b126d27a142ad49c3b46591716348393efae2bf563df648701827bd7f80c.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3492
- 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:3020
- - C:\ProgramData\BGIJDGCAEB.exe
    "C:\ProgramData\BGIJDGCAEB.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1392
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      4⤵
      PID:2212
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      4⤵
      PID:2480
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      4⤵
      PID:4056
  - - 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:4836
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\BGHIDGCAFCBA" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4092
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:4472
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3492 -s 300
  2⤵
  - Program crash
  PID:4796

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3492 -ip 3492
1⤵
PID:624

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:\ProgramData\BGIJDGCAEB.exe

Filesize
547KB

MD5
3dbe8e2d9b7d22e95b7ee2891938f064

SHA1
7f784c50aa65451d81a76ca631a846b6818906b7

SHA256
9c04149a55f07d041f4abbfd4a1ed84cea5e2cbb47d87399f33c6e3d7f76f228

SHA512
5420543264de707e2284a0878ce7c6024240fe25f0784264f0035737d805a7394c791612a942427169d95832e1d9b521a93ea3ecb729f76ac450f9b0d316c84b

Download Submit
C:\ProgramData\mozglue.dll

Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
C:\ProgramData\nss3.dll

Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
memory/1392-92-0x0000000000AB4000-0x0000000000AB5000-memory.dmp

Filesize
4KB

Download
memory/3020-81-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3020-7-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3020-10-0x000000001FB40000-0x000000001FD9F000-memory.dmp

Filesize
2.4MB

Download
memory/3020-25-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3020-26-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3020-42-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3020-43-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3020-98-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3020-55-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3020-73-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3020-72-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3020-8-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3020-80-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3020-3-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3020-1-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3020-6-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3492-0-0x0000000000718000-0x000000000071A000-memory.dmp

Filesize
8KB

Download
memory/4836-93-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/4836-95-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/4836-97-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/4836-96-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download