lumma | 86e575388e355071efce2321d937b50793a353bf8f6cbbcbd7a9305fe293683e

Analysis

max time kernel
147s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
07/07/2024, 16:09

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General

Target
47a4c6547aaa57510c4d02ce8a6ae548.exe
Size 446KB
Sample240707-tlr41sveml
SHA256 86e575388e355071efce2321d937b50793a353bf8f6cbbcbd7a9305fe293683e
MD5 47a4c6547aaa57510c4d02ce8a6ae548
SHA1 a3790a40a319be8eb7c085dbdc2bdbcec4d2fffa
SHA512 2a985ede57263ca8b0b4fe22fdcd000bc19fcf2daccf590a797fd7ec0b8303c3f38991a507baa46c3b469b683d00c59a5f6764cd46a31d79b2744a6930f48061
SSDEEP 12288:w23hQpxY3Tf3jnRqQ4CfcjOh5aerlVAgnFDYh//5NyVx:w23qpxYDLRuCHbamTAgnFs//36
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

lumma stealc vidar discovery spyware stealer

Malware Config

Extracted

Family

vidar

https://t.me/bu77un
https://steamcommunity.com/profiles/76561199730044335

Attributes

user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.1) Gecko/20100101 Firefox/128.1

Extracted

Family

lumma

https://benchillppwo.shop/api

Signatures

Detect Vidar Stealer 15 IoCs

stealer

resource	yara_rule
behavioral2/memory/2528-1-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/2528-5-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/2528-3-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/2528-15-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/2528-16-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/2528-33-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/2528-34-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/2528-50-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/2528-51-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/2528-87-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/2528-94-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/1612-96-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/1612-97-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/1612-113-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/1612-114-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7

Lumma Stealer
An infostealer written in C++ first seen in August 2022.
stealer lumma
Stealc
Stealc is an infostealer written in C++.
stealer stealc
Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Downloads MZ/PE file

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\Control Panel\International\Geo\Nation	RegAsm.exe

Executes dropped EXE 2 IoCs

pid	Process
232	IEGCBAAFHD.exe
2600	JKFIDGDHJE.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

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
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3372 set thread context of 2528	3372	47a4c6547aaa57510c4d02ce8a6ae548.exe	86
PID 232 set thread context of 1612	232	IEGCBAAFHD.exe	94
PID 2600 set thread context of 1076	2600	JKFIDGDHJE.exe	95

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 4 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	RegAsm.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	RegAsm.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	RegAsm.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	RegAsm.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
3144	timeout.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
1076	RegAsm.exe
1076	RegAsm.exe
1076	RegAsm.exe
1076	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
1612	RegAsm.exe
1612	RegAsm.exe
1612	RegAsm.exe
1612	RegAsm.exe

Suspicious use of WriteProcessMemory 42 IoCs

description	pid	Process	procid_target
PID 3372 wrote to memory of 2528	3372	47a4c6547aaa57510c4d02ce8a6ae548.exe	86
PID 3372 wrote to memory of 2528	3372	47a4c6547aaa57510c4d02ce8a6ae548.exe	86
PID 3372 wrote to memory of 2528	3372	47a4c6547aaa57510c4d02ce8a6ae548.exe	86
PID 3372 wrote to memory of 2528	3372	47a4c6547aaa57510c4d02ce8a6ae548.exe	86
PID 3372 wrote to memory of 2528	3372	47a4c6547aaa57510c4d02ce8a6ae548.exe	86
PID 3372 wrote to memory of 2528	3372	47a4c6547aaa57510c4d02ce8a6ae548.exe	86
PID 3372 wrote to memory of 2528	3372	47a4c6547aaa57510c4d02ce8a6ae548.exe	86
PID 3372 wrote to memory of 2528	3372	47a4c6547aaa57510c4d02ce8a6ae548.exe	86
PID 3372 wrote to memory of 2528	3372	47a4c6547aaa57510c4d02ce8a6ae548.exe	86
PID 2528 wrote to memory of 232	2528	RegAsm.exe	88
PID 2528 wrote to memory of 232	2528	RegAsm.exe	88
PID 2528 wrote to memory of 232	2528	RegAsm.exe	88
PID 2528 wrote to memory of 2600	2528	RegAsm.exe	91
PID 2528 wrote to memory of 2600	2528	RegAsm.exe	91
PID 2528 wrote to memory of 2600	2528	RegAsm.exe	91
PID 232 wrote to memory of 2100	232	IEGCBAAFHD.exe	93
PID 232 wrote to memory of 2100	232	IEGCBAAFHD.exe	93
PID 232 wrote to memory of 2100	232	IEGCBAAFHD.exe	93
PID 232 wrote to memory of 1612	232	IEGCBAAFHD.exe	94
PID 232 wrote to memory of 1612	232	IEGCBAAFHD.exe	94
PID 232 wrote to memory of 1612	232	IEGCBAAFHD.exe	94
PID 232 wrote to memory of 1612	232	IEGCBAAFHD.exe	94
PID 232 wrote to memory of 1612	232	IEGCBAAFHD.exe	94
PID 232 wrote to memory of 1612	232	IEGCBAAFHD.exe	94
PID 232 wrote to memory of 1612	232	IEGCBAAFHD.exe	94
PID 232 wrote to memory of 1612	232	IEGCBAAFHD.exe	94
PID 232 wrote to memory of 1612	232	IEGCBAAFHD.exe	94
PID 2600 wrote to memory of 1076	2600	JKFIDGDHJE.exe	95
PID 2600 wrote to memory of 1076	2600	JKFIDGDHJE.exe	95
PID 2600 wrote to memory of 1076	2600	JKFIDGDHJE.exe	95
PID 2600 wrote to memory of 1076	2600	JKFIDGDHJE.exe	95
PID 2600 wrote to memory of 1076	2600	JKFIDGDHJE.exe	95
PID 2600 wrote to memory of 1076	2600	JKFIDGDHJE.exe	95
PID 2600 wrote to memory of 1076	2600	JKFIDGDHJE.exe	95
PID 2600 wrote to memory of 1076	2600	JKFIDGDHJE.exe	95
PID 2600 wrote to memory of 1076	2600	JKFIDGDHJE.exe	95
PID 2528 wrote to memory of 3396	2528	RegAsm.exe	96
PID 2528 wrote to memory of 3396	2528	RegAsm.exe	96
PID 2528 wrote to memory of 3396	2528	RegAsm.exe	96
PID 3396 wrote to memory of 3144	3396	cmd.exe	98
PID 3396 wrote to memory of 3144	3396	cmd.exe	98
PID 3396 wrote to memory of 3144	3396	cmd.exe	98

C:\Users\Admin\AppData\Local\Temp\47a4c6547aaa57510c4d02ce8a6ae548.exe
"C:\Users\Admin\AppData\Local\Temp\47a4c6547aaa57510c4d02ce8a6ae548.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3372
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - Checks computer location settings
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2528
- - C:\ProgramData\IEGCBAAFHD.exe
    "C:\ProgramData\IEGCBAAFHD.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:232
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      4⤵
      PID:2100
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      4⤵
      Checks processor information in registry
      Suspicious behavior: EnumeratesProcesses
      PID:1612
- - C:\ProgramData\JKFIDGDHJE.exe
    "C:\ProgramData\JKFIDGDHJE.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:2600
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      4⤵
      Suspicious behavior: EnumeratesProcesses
      PID:1076
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\DGHIDAFCGIEH" & exit
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3396
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      Delays execution with timeout.exe
      PID:3144

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

DHCGHD

Path C:\ProgramData\IEBFHCAKFBGD\DHCGHD
Size 152KB
SHA256 aab0b201f392fef9fdff09e56a9d0ac33d0f68be95da270e6dab89bb1f971d8b
MD5 73bd1e15afb04648c24593e8ba13e983
SHA1 4dd85ca46fcdf9d93f6b324f8bb0b5bb512a1b91
SHA512 6eb58fb41691894045569085bd64a83acd62277575ab002cf73d729bda4b6d43c36643a5fa336342e87a493326337ed43b8e5eaeae32f53210714699cb8dfac7
SSDEEP 96:+WiseU+bF+UIYysX0QQycu5yZoLtrV0N3LjLqLk0e9:+vQ+bF+UI3i7cayZudV0R3qLkj
MD5 SHA1 SHA512 SSDEEP

Submit Download

IEGCBAAFHD.exe

Path C:\ProgramData\IEGCBAAFHD.exe
Size 446KB
SHA256 86e575388e355071efce2321d937b50793a353bf8f6cbbcbd7a9305fe293683e
MD5 47a4c6547aaa57510c4d02ce8a6ae548
SHA1 a3790a40a319be8eb7c085dbdc2bdbcec4d2fffa
SHA512 2a985ede57263ca8b0b4fe22fdcd000bc19fcf2daccf590a797fd7ec0b8303c3f38991a507baa46c3b469b683d00c59a5f6764cd46a31d79b2744a6930f48061
SSDEEP 12288:w23hQpxY3Tf3jnRqQ4CfcjOh5aerlVAgnFDYh//5NyVx:w23qpxYDLRuCHbamTAgnFs//36
MD5 SHA1 SHA512 SSDEEP

Submit Download

JKFIDGDHJE.exe

Path C:\ProgramData\JKFIDGDHJE.exe
Size 512KB
SHA256 48a4712ae782ae16698b8a85c74dcb790e610c5a31c746319fb1d30e0e3c6096
MD5 383dc98d03038d2374701a5bfa5d8c0a
SHA1 e7fb6995ef4ea1b28f9527c96321452ac59686e1
SHA512 b846e728ec92a77af8b2a822c970646170951254dbd9ec5332191dc7d4b1fd15708e4850912049a772e4af1992fe2658ae3af49a377fb2172eb588fe8c6baff2
SSDEEP 12288:6oZruugE3QDpUibhyJMu5ZkffXdBssjWCxj+x:6oZCugEA9rS5Z8fXdjWN
MD5 SHA1 SHA512 SSDEEP

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sqlt[1].dll

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\9X9HPJHY\sqlt[1].dll
Size 2.3MB
SHA256 036a57102385d7f0d7b2deacf932c1c372ae30d924365b7a88f8a26657dd7550
MD5 90e744829865d57082a7f452edc90de5
SHA1 833b178775f39675fa4e55eab1032353514e1052
SHA512 0a2d112ff7cb806a74f5ec17fe097d28107bb497d6ed5ad28ea47e6795434ba903cdb49aaf97a9a99c08cd0411f1969cad93031246dc107c26606a898e570323
SSDEEP 49152:WHoJ9zGioiMjW2RrL9B8SSpiCH7cuez9A:WHoJBGqabRnj8JY/9
MD5 SHA1 SHA512 SSDEEP

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memory/232-81-0x0000000000FE0000-0x0000000000FE1000-memory.dmp

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memory/1076-92-0x0000000000400000-0x000000000044F000-memory.dmp

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memory/1076-95-0x0000000000400000-0x000000000044F000-memory.dmp

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memory/1076-88-0x0000000000400000-0x000000000044F000-memory.dmp

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memory/1076-93-0x0000000000400000-0x000000000044F000-memory.dmp

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memory/1612-97-0x0000000000400000-0x0000000000648000-memory.dmp

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memory/1612-96-0x0000000000400000-0x0000000000648000-memory.dmp

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memory/1612-99-0x000000001FF30000-0x000000002018F000-memory.dmp

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memory/1612-113-0x0000000000400000-0x0000000000648000-memory.dmp

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memory/1612-114-0x0000000000400000-0x0000000000648000-memory.dmp

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memory/2528-33-0x0000000000400000-0x0000000000648000-memory.dmp

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memory/2528-34-0x0000000000400000-0x0000000000648000-memory.dmp

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memory/2528-1-0x0000000000400000-0x0000000000648000-memory.dmp

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memory/2528-51-0x0000000000400000-0x0000000000648000-memory.dmp

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memory/2528-50-0x0000000000400000-0x0000000000648000-memory.dmp

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memory/2528-5-0x0000000000400000-0x0000000000648000-memory.dmp

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memory/2528-94-0x0000000000400000-0x0000000000648000-memory.dmp

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memory/2528-87-0x0000000000400000-0x0000000000648000-memory.dmp

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memory/2528-3-0x0000000000400000-0x0000000000648000-memory.dmp

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memory/2528-18-0x00000000228E0000-0x0000000022B3F000-memory.dmp

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memory/2528-16-0x0000000000400000-0x0000000000648000-memory.dmp

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memory/2528-15-0x0000000000400000-0x0000000000648000-memory.dmp

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memory/2600-90-0x0000000000FA0000-0x0000000001025000-memory.dmp

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memory/2600-89-0x0000000000FA0000-0x0000000001025000-memory.dmp

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memory/3372-0-0x0000000002D30000-0x0000000002D31000-memory.dmp

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