lumma | c1c8aa2aa86505a6b4e2d7ac0d296d0a778c871e054b990b321312983c96c3f8

Analysis

max time kernel
135s
max time network
145s
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 01:58

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General

Target

c1c8aa2aa86505a6b4e2d7ac0d296d0a778c871e054b990b321312983c96c3f8.exe
Size

551KB
MD5

73219b98755d8df139784c3b797ac88b
SHA1

95540c08b3977913f7ef4be031a6f47f6f1c2fa6
SHA256

c1c8aa2aa86505a6b4e2d7ac0d296d0a778c871e054b990b321312983c96c3f8
SHA512

af28ff941cccd654d0e2e4d0b300cb47b3304cbf5e838371f77542c7f7ce6694031d2c6a71b57ff0a688c8a2964c3f2cfa1409ba8f47b2b57b87a3e7e8fcf5c8
SSDEEP

12288:tLMb3AhDsvejrmV4R22iyGHrP1rBQYLZPhIpw2R/LVmhkNgJFsP:tLOSucmVd2rcaoPhIpqU+o

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/3076-1-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3076-3-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3076-6-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3076-7-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3076-8-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3076-25-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3076-26-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3076-42-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3076-43-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3076-71-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3076-72-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3076-79-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3076-80-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3076-81-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3076-100-0x0000000000400000-0x0000000000676000-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
3660	AAKKKEBFCG.exe

Loads dropped DLL 2 IoCs

pid	Process
3076	MSBuild.exe
3076	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 2312 set thread context of 3076	2312	c1c8aa2aa86505a6b4e2d7ac0d296d0a778c871e054b990b321312983c96c3f8.exe	84
PID 3660 set thread context of 3568	3660	AAKKKEBFCG.exe	94

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1076	2312	WerFault.exe	83
3244	3660	WerFault.exe	92

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	AAKKKEBFCG.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	c1c8aa2aa86505a6b4e2d7ac0d296d0a778c871e054b990b321312983c96c3f8.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
3420	timeout.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3076	MSBuild.exe
3076	MSBuild.exe
3076	MSBuild.exe
3076	MSBuild.exe
3076	MSBuild.exe
3076	MSBuild.exe
3076	MSBuild.exe
3076	MSBuild.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2312 wrote to memory of 3076	2312	c1c8aa2aa86505a6b4e2d7ac0d296d0a778c871e054b990b321312983c96c3f8.exe	84
PID 2312 wrote to memory of 3076	2312	c1c8aa2aa86505a6b4e2d7ac0d296d0a778c871e054b990b321312983c96c3f8.exe	84
PID 2312 wrote to memory of 3076	2312	c1c8aa2aa86505a6b4e2d7ac0d296d0a778c871e054b990b321312983c96c3f8.exe	84
PID 2312 wrote to memory of 3076	2312	c1c8aa2aa86505a6b4e2d7ac0d296d0a778c871e054b990b321312983c96c3f8.exe	84
PID 2312 wrote to memory of 3076	2312	c1c8aa2aa86505a6b4e2d7ac0d296d0a778c871e054b990b321312983c96c3f8.exe	84
PID 2312 wrote to memory of 3076	2312	c1c8aa2aa86505a6b4e2d7ac0d296d0a778c871e054b990b321312983c96c3f8.exe	84
PID 2312 wrote to memory of 3076	2312	c1c8aa2aa86505a6b4e2d7ac0d296d0a778c871e054b990b321312983c96c3f8.exe	84
PID 2312 wrote to memory of 3076	2312	c1c8aa2aa86505a6b4e2d7ac0d296d0a778c871e054b990b321312983c96c3f8.exe	84
PID 2312 wrote to memory of 3076	2312	c1c8aa2aa86505a6b4e2d7ac0d296d0a778c871e054b990b321312983c96c3f8.exe	84
PID 2312 wrote to memory of 3076	2312	c1c8aa2aa86505a6b4e2d7ac0d296d0a778c871e054b990b321312983c96c3f8.exe	84
PID 3076 wrote to memory of 3660	3076	MSBuild.exe	92
PID 3076 wrote to memory of 3660	3076	MSBuild.exe	92
PID 3076 wrote to memory of 3660	3076	MSBuild.exe	92
PID 3660 wrote to memory of 3568	3660	AAKKKEBFCG.exe	94
PID 3660 wrote to memory of 3568	3660	AAKKKEBFCG.exe	94
PID 3660 wrote to memory of 3568	3660	AAKKKEBFCG.exe	94
PID 3660 wrote to memory of 3568	3660	AAKKKEBFCG.exe	94
PID 3660 wrote to memory of 3568	3660	AAKKKEBFCG.exe	94
PID 3660 wrote to memory of 3568	3660	AAKKKEBFCG.exe	94
PID 3660 wrote to memory of 3568	3660	AAKKKEBFCG.exe	94
PID 3660 wrote to memory of 3568	3660	AAKKKEBFCG.exe	94
PID 3660 wrote to memory of 3568	3660	AAKKKEBFCG.exe	94
PID 3076 wrote to memory of 4628	3076	MSBuild.exe	102
PID 3076 wrote to memory of 4628	3076	MSBuild.exe	102
PID 3076 wrote to memory of 4628	3076	MSBuild.exe	102
PID 4628 wrote to memory of 3420	4628	cmd.exe	104
PID 4628 wrote to memory of 3420	4628	cmd.exe	104
PID 4628 wrote to memory of 3420	4628	cmd.exe	104

C:\Users\Admin\AppData\Local\Temp\c1c8aa2aa86505a6b4e2d7ac0d296d0a778c871e054b990b321312983c96c3f8.exe
"C:\Users\Admin\AppData\Local\Temp\c1c8aa2aa86505a6b4e2d7ac0d296d0a778c871e054b990b321312983c96c3f8.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2312
- 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:3076
- - C:\ProgramData\AAKKKEBFCG.exe
    "C:\ProgramData\AAKKKEBFCG.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3660
  - - 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:3568
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3660 -s 256
      4⤵
      Program crash
      PID:3244
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\AKJDAEGCAFII" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4628
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:3420
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2312 -s 236
  2⤵
  - Program crash
  PID:1076

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2312 -ip 2312
1⤵
PID:2988

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 3660 -ip 3660
1⤵
PID:3880

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\AAKKKEBFCG.exe

Filesize
548KB

MD5
7c4cfc7c8e48c711b1f94f9251bd51ec

SHA1
aceb9a32ee344471794fca8ea1b031f62d937cae

SHA256
2f4fef756205a42d7c431631fcb2f2cd8b336c504b5360b39d81cc52a3a625ec

SHA512
73edb9d0e56f9be20d3d6d4391c456a39ef3598a8e7225af8f1b386af9986850d9f1fc83cb2dd1a26c00fa1c3ed00aaa1c52f31e142203c40f1f9070dd3d5717

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/2312-0-0x0000000000AA8000-0x0000000000AAA000-memory.dmp

Filesize
8KB

Download
memory/3076-100-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3076-43-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3076-10-0x000000001FE30000-0x000000002008F000-memory.dmp

Filesize
2.4MB

Download
memory/3076-25-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3076-26-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3076-42-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3076-71-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3076-6-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3076-3-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3076-8-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3076-72-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3076-79-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3076-80-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3076-81-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3076-1-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3076-7-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3568-96-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/3568-98-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/3568-99-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/3660-95-0x0000000000D04000-0x0000000000D05000-memory.dmp

Filesize
4KB

Download