lumma | c7a9b126d27a142ad49c3b46591716348393efae2bf563df648701827bd7f80c

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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 14 IoCs

stealer

resource	yara_rule
behavioral1/memory/2364-10-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2364-9-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2364-6-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2364-13-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2364-4-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2364-5-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2364-14-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2364-15-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2364-28-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2364-29-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2364-42-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2364-55-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2364-56-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2364-117-0x0000000000400000-0x0000000000676000-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
2420	IDHIEBAAKJ.exe

Loads dropped DLL 3 IoCs

pid	Process
2364	MSBuild.exe
2364	MSBuild.exe
2364	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 2404 set thread context of 2364	2404	c7a9b126d27a142ad49c3b46591716348393efae2bf563df648701827bd7f80c.exe	30
PID 2420 set thread context of 1764	2420	IDHIEBAAKJ.exe	36

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1956	2404	WerFault.exe	29

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	c7a9b126d27a142ad49c3b46591716348393efae2bf563df648701827bd7f80c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IDHIEBAAKJ.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

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
1684	timeout.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2364	MSBuild.exe
2364	MSBuild.exe
2364	MSBuild.exe
2364	MSBuild.exe

Suspicious use of WriteProcessMemory 37 IoCs

description	pid	Process	procid_target
PID 2404 wrote to memory of 2364	2404	c7a9b126d27a142ad49c3b46591716348393efae2bf563df648701827bd7f80c.exe	30
PID 2404 wrote to memory of 2364	2404	c7a9b126d27a142ad49c3b46591716348393efae2bf563df648701827bd7f80c.exe	30
PID 2404 wrote to memory of 2364	2404	c7a9b126d27a142ad49c3b46591716348393efae2bf563df648701827bd7f80c.exe	30
PID 2404 wrote to memory of 2364	2404	c7a9b126d27a142ad49c3b46591716348393efae2bf563df648701827bd7f80c.exe	30
PID 2404 wrote to memory of 2364	2404	c7a9b126d27a142ad49c3b46591716348393efae2bf563df648701827bd7f80c.exe	30
PID 2404 wrote to memory of 2364	2404	c7a9b126d27a142ad49c3b46591716348393efae2bf563df648701827bd7f80c.exe	30
PID 2404 wrote to memory of 2364	2404	c7a9b126d27a142ad49c3b46591716348393efae2bf563df648701827bd7f80c.exe	30
PID 2404 wrote to memory of 2364	2404	c7a9b126d27a142ad49c3b46591716348393efae2bf563df648701827bd7f80c.exe	30
PID 2404 wrote to memory of 2364	2404	c7a9b126d27a142ad49c3b46591716348393efae2bf563df648701827bd7f80c.exe	30
PID 2404 wrote to memory of 2364	2404	c7a9b126d27a142ad49c3b46591716348393efae2bf563df648701827bd7f80c.exe	30
PID 2404 wrote to memory of 2364	2404	c7a9b126d27a142ad49c3b46591716348393efae2bf563df648701827bd7f80c.exe	30
PID 2404 wrote to memory of 1956	2404	c7a9b126d27a142ad49c3b46591716348393efae2bf563df648701827bd7f80c.exe	31
PID 2404 wrote to memory of 1956	2404	c7a9b126d27a142ad49c3b46591716348393efae2bf563df648701827bd7f80c.exe	31
PID 2404 wrote to memory of 1956	2404	c7a9b126d27a142ad49c3b46591716348393efae2bf563df648701827bd7f80c.exe	31
PID 2404 wrote to memory of 1956	2404	c7a9b126d27a142ad49c3b46591716348393efae2bf563df648701827bd7f80c.exe	31
PID 2364 wrote to memory of 2420	2364	MSBuild.exe	35
PID 2364 wrote to memory of 2420	2364	MSBuild.exe	35
PID 2364 wrote to memory of 2420	2364	MSBuild.exe	35
PID 2364 wrote to memory of 2420	2364	MSBuild.exe	35
PID 2420 wrote to memory of 1764	2420	IDHIEBAAKJ.exe	36
PID 2420 wrote to memory of 1764	2420	IDHIEBAAKJ.exe	36
PID 2420 wrote to memory of 1764	2420	IDHIEBAAKJ.exe	36
PID 2420 wrote to memory of 1764	2420	IDHIEBAAKJ.exe	36
PID 2420 wrote to memory of 1764	2420	IDHIEBAAKJ.exe	36
PID 2420 wrote to memory of 1764	2420	IDHIEBAAKJ.exe	36
PID 2420 wrote to memory of 1764	2420	IDHIEBAAKJ.exe	36
PID 2420 wrote to memory of 1764	2420	IDHIEBAAKJ.exe	36
PID 2420 wrote to memory of 1764	2420	IDHIEBAAKJ.exe	36
PID 2420 wrote to memory of 1764	2420	IDHIEBAAKJ.exe	36
PID 2364 wrote to memory of 2780	2364	MSBuild.exe	37
PID 2364 wrote to memory of 2780	2364	MSBuild.exe	37
PID 2364 wrote to memory of 2780	2364	MSBuild.exe	37
PID 2364 wrote to memory of 2780	2364	MSBuild.exe	37
PID 2780 wrote to memory of 1684	2780	cmd.exe	39
PID 2780 wrote to memory of 1684	2780	cmd.exe	39
PID 2780 wrote to memory of 1684	2780	cmd.exe	39
PID 2780 wrote to memory of 1684	2780	cmd.exe	39

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:2404
- 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:2364
- - C:\ProgramData\IDHIEBAAKJ.exe
    "C:\ProgramData\IDHIEBAAKJ.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2420
  - - 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:1764
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\DAKFIDHDGIEG" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2780
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:1684
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2404 -s 92
  2⤵
  - Program crash
  PID:1956

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\Cab673D.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar676F.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
\ProgramData\IDHIEBAAKJ.exe

Filesize
547KB

MD5
3dbe8e2d9b7d22e95b7ee2891938f064

SHA1
7f784c50aa65451d81a76ca631a846b6818906b7

SHA256
9c04149a55f07d041f4abbfd4a1ed84cea5e2cbb47d87399f33c6e3d7f76f228

SHA512
5420543264de707e2284a0878ce7c6024240fe25f0784264f0035737d805a7394c791612a942427169d95832e1d9b521a93ea3ecb729f76ac450f9b0d316c84b

Download Submit
memory/1764-116-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/1764-81-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/1764-80-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/1764-72-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/1764-73-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/1764-74-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/1764-75-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/1764-76-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/1764-78-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2364-4-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2364-9-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2364-28-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2364-29-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2364-42-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2364-55-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2364-56-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2364-15-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2364-14-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2364-3-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2364-5-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2364-117-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2364-13-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2364-6-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2364-1-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2364-2-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2364-17-0x000000001B7E0000-0x000000001BA3F000-memory.dmp

Filesize
2.4MB

Download
memory/2364-10-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2364-7-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2404-0-0x0000000000EC8000-0x0000000000ECA000-memory.dmp

Filesize
8KB

Download
memory/2420-71-0x00000000003F4000-0x00000000003F5000-memory.dmp

Filesize
4KB

Download