lumma | 7f58110a24967742d030618fb30ec3e3a99180f4226e2a597d980b4bf5307210

Analysis

max time kernel
32s
max time network
30s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07/10/2024, 23:43

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General

Target

7f58110a24967742d030618fb30ec3e3a99180f4226e2a597d980b4bf5307210.exe
Size

580KB
MD5

d9cf02c38cce994f0c0dcf4a8054d444
SHA1

7f5cbf7db43f3acc08095c317c85362acd5f8b43
SHA256

7f58110a24967742d030618fb30ec3e3a99180f4226e2a597d980b4bf5307210
SHA512

140394cfcb4ea65915e885575b6d2bd7795363d8e672d5050b2a480431426acf17914d1f2b5afbb8c70e81827e782efe5c16904cfe5f99ed7047dd8a5a7e1409
SSDEEP

12288:iK/vg3InPBF9dCi++6+cta+3fDF67k/gpl6uROrKw:iKg3IPk+6+ctauOkiAuREp

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 13 IoCs

stealer

resource	yara_rule
behavioral1/memory/3040-12-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/3040-10-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/3040-7-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/3040-5-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/3040-8-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/3040-15-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/3040-16-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/3040-29-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/3040-30-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/3040-59-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/3040-60-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/3040-67-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/3040-68-0x0000000000400000-0x0000000000676000-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
2724	KECBKKEBKE.exe

Loads dropped DLL 14 IoCs

pid	Process
3040	MSBuild.exe
3040	MSBuild.exe
3040	MSBuild.exe
3040	MSBuild.exe
3040	MSBuild.exe
3040	MSBuild.exe
3040	MSBuild.exe
1944	WerFault.exe
1944	WerFault.exe
1944	WerFault.exe
1944	WerFault.exe
1944	WerFault.exe
1944	WerFault.exe
1944	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 2716 set thread context of 3040	2716	7f58110a24967742d030618fb30ec3e3a99180f4226e2a597d980b4bf5307210.exe	29
PID 2724 set thread context of 1476	2724	KECBKKEBKE.exe	33

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1944	2724	WerFault.exe	32
1740	1476	WerFault.exe	33

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	7f58110a24967742d030618fb30ec3e3a99180f4226e2a597d980b4bf5307210.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	KECBKKEBKE.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	MSBuild.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MSBuild.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2984	timeout.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3040	MSBuild.exe
3040	MSBuild.exe
3040	MSBuild.exe
3040	MSBuild.exe

Suspicious use of WriteProcessMemory 41 IoCs

description	pid	Process	procid_target
PID 2716 wrote to memory of 3040	2716	7f58110a24967742d030618fb30ec3e3a99180f4226e2a597d980b4bf5307210.exe	29
PID 2716 wrote to memory of 3040	2716	7f58110a24967742d030618fb30ec3e3a99180f4226e2a597d980b4bf5307210.exe	29
PID 2716 wrote to memory of 3040	2716	7f58110a24967742d030618fb30ec3e3a99180f4226e2a597d980b4bf5307210.exe	29
PID 2716 wrote to memory of 3040	2716	7f58110a24967742d030618fb30ec3e3a99180f4226e2a597d980b4bf5307210.exe	29
PID 2716 wrote to memory of 3040	2716	7f58110a24967742d030618fb30ec3e3a99180f4226e2a597d980b4bf5307210.exe	29
PID 2716 wrote to memory of 3040	2716	7f58110a24967742d030618fb30ec3e3a99180f4226e2a597d980b4bf5307210.exe	29
PID 2716 wrote to memory of 3040	2716	7f58110a24967742d030618fb30ec3e3a99180f4226e2a597d980b4bf5307210.exe	29
PID 2716 wrote to memory of 3040	2716	7f58110a24967742d030618fb30ec3e3a99180f4226e2a597d980b4bf5307210.exe	29
PID 2716 wrote to memory of 3040	2716	7f58110a24967742d030618fb30ec3e3a99180f4226e2a597d980b4bf5307210.exe	29
PID 2716 wrote to memory of 3040	2716	7f58110a24967742d030618fb30ec3e3a99180f4226e2a597d980b4bf5307210.exe	29
PID 2716 wrote to memory of 3040	2716	7f58110a24967742d030618fb30ec3e3a99180f4226e2a597d980b4bf5307210.exe	29
PID 3040 wrote to memory of 2724	3040	MSBuild.exe	32
PID 3040 wrote to memory of 2724	3040	MSBuild.exe	32
PID 3040 wrote to memory of 2724	3040	MSBuild.exe	32
PID 3040 wrote to memory of 2724	3040	MSBuild.exe	32
PID 2724 wrote to memory of 1476	2724	KECBKKEBKE.exe	33
PID 2724 wrote to memory of 1476	2724	KECBKKEBKE.exe	33
PID 2724 wrote to memory of 1476	2724	KECBKKEBKE.exe	33
PID 2724 wrote to memory of 1476	2724	KECBKKEBKE.exe	33
PID 2724 wrote to memory of 1476	2724	KECBKKEBKE.exe	33
PID 2724 wrote to memory of 1476	2724	KECBKKEBKE.exe	33
PID 2724 wrote to memory of 1476	2724	KECBKKEBKE.exe	33
PID 2724 wrote to memory of 1476	2724	KECBKKEBKE.exe	33
PID 2724 wrote to memory of 1476	2724	KECBKKEBKE.exe	33
PID 2724 wrote to memory of 1476	2724	KECBKKEBKE.exe	33
PID 2724 wrote to memory of 1944	2724	KECBKKEBKE.exe	34
PID 2724 wrote to memory of 1944	2724	KECBKKEBKE.exe	34
PID 2724 wrote to memory of 1944	2724	KECBKKEBKE.exe	34
PID 2724 wrote to memory of 1944	2724	KECBKKEBKE.exe	34
PID 1476 wrote to memory of 1740	1476	MSBuild.exe	35
PID 1476 wrote to memory of 1740	1476	MSBuild.exe	35
PID 1476 wrote to memory of 1740	1476	MSBuild.exe	35
PID 1476 wrote to memory of 1740	1476	MSBuild.exe	35
PID 3040 wrote to memory of 1200	3040	MSBuild.exe	36
PID 3040 wrote to memory of 1200	3040	MSBuild.exe	36
PID 3040 wrote to memory of 1200	3040	MSBuild.exe	36
PID 3040 wrote to memory of 1200	3040	MSBuild.exe	36
PID 1200 wrote to memory of 2984	1200	cmd.exe	38
PID 1200 wrote to memory of 2984	1200	cmd.exe	38
PID 1200 wrote to memory of 2984	1200	cmd.exe	38
PID 1200 wrote to memory of 2984	1200	cmd.exe	38

C:\Users\Admin\AppData\Local\Temp\7f58110a24967742d030618fb30ec3e3a99180f4226e2a597d980b4bf5307210.exe
"C:\Users\Admin\AppData\Local\Temp\7f58110a24967742d030618fb30ec3e3a99180f4226e2a597d980b4bf5307210.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2716
- 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:3040
- - C:\ProgramData\KECBKKEBKE.exe
    "C:\ProgramData\KECBKKEBKE.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2724
  - - 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
      Suspicious use of WriteProcessMemory
      PID:1476
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1476 -s 148
        5⤵
        Program crash
        
        PID:1740
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2724 -s 52
      4⤵
      Loads dropped DLL
      Program crash
      PID:1944
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\FHJDGHIJDGCB" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1200
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:2984

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

\ProgramData\KECBKKEBKE.exe

Filesize
538KB

MD5
f3d141b062dc2298cd93eba8a17dd999

SHA1
50feb10f5872c5592bed93c698bc7cc6282a2f17

SHA256
acc8d2507908025af3a013002f9d97b935ea22da07a69903109ce3fd93e78b6f

SHA512
a7f7cdf1fe1b42b03f969107a2d75ba1c00ca8d9c640e936262315941e34594b309e3b8ca975fdd630bf139438fa2536837084867f6f20094dec05fb3862224e

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/1476-88-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/1476-98-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/1476-89-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/1476-90-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/1476-92-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/1476-94-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/1476-99-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2716-0-0x000000000142C000-0x000000000142E000-memory.dmp

Filesize
8KB

Download
memory/2724-100-0x0000000000A15000-0x0000000000A16000-memory.dmp

Filesize
4KB

Download
memory/3040-1-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3040-15-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3040-30-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3040-18-0x000000001B360000-0x000000001B5BF000-memory.dmp

Filesize
2.4MB

Download
memory/3040-16-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3040-59-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3040-60-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3040-67-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3040-68-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3040-29-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3040-8-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3040-2-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3040-5-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3040-7-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3040-9-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/3040-10-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3040-12-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3040-3-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download