lumma | fbfaa4457eebac3cc3df1a4e3ce9d4c7fb889f1e4a4edba71b245dd2445da3f7

Analysis

max time kernel
117s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06-10-2024 13:59

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General

Target

7f3c2473d1e6.exe
Size

580KB
MD5

6831d86595ae93dcede5d664ca433f76
SHA1

807c269907d7678e434570a6efcd4d93c6074649
SHA256

fbfaa4457eebac3cc3df1a4e3ce9d4c7fb889f1e4a4edba71b245dd2445da3f7
SHA512

994c9caa806b0386a3bab6633ba132298868db59d1439d6b076cab08734480abcd17580617dd1d58efa46c4676bcbfc972c0253e013d46ab7329472fdb92d083
SSDEEP

12288:1K/vg3InPBxdMQImQooPAP/MI6WqTGozr3fUr8rKw:1Kg3IPBIm0AP/M1TpUWp

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
behavioral1/memory/3064-6-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/3064-10-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/3064-13-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/3064-9-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/3064-5-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/3064-4-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/3064-14-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/3064-15-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/3064-28-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/3064-29-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/3064-58-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/3064-59-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/3064-66-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/3064-67-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/3064-127-0x0000000000400000-0x0000000000676000-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
1820	AKJEGCFBGD.exe

Loads dropped DLL 5 IoCs

pid	Process
3064	MSBuild.exe
3064	MSBuild.exe
3064	MSBuild.exe
3064	MSBuild.exe
3064	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 2536 set thread context of 3064	2536	7f3c2473d1e6.exe	30
PID 1820 set thread context of 2652	1820	AKJEGCFBGD.exe	35

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

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	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7f3c2473d1e6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AKJEGCFBGD.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
1128	timeout.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3064	MSBuild.exe
3064	MSBuild.exe
3064	MSBuild.exe
3064	MSBuild.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2536 wrote to memory of 3064	2536	7f3c2473d1e6.exe	30
PID 2536 wrote to memory of 3064	2536	7f3c2473d1e6.exe	30
PID 2536 wrote to memory of 3064	2536	7f3c2473d1e6.exe	30
PID 2536 wrote to memory of 3064	2536	7f3c2473d1e6.exe	30
PID 2536 wrote to memory of 3064	2536	7f3c2473d1e6.exe	30
PID 2536 wrote to memory of 3064	2536	7f3c2473d1e6.exe	30
PID 2536 wrote to memory of 3064	2536	7f3c2473d1e6.exe	30
PID 2536 wrote to memory of 3064	2536	7f3c2473d1e6.exe	30
PID 2536 wrote to memory of 3064	2536	7f3c2473d1e6.exe	30
PID 2536 wrote to memory of 3064	2536	7f3c2473d1e6.exe	30
PID 2536 wrote to memory of 3064	2536	7f3c2473d1e6.exe	30
PID 3064 wrote to memory of 1820	3064	MSBuild.exe	34
PID 3064 wrote to memory of 1820	3064	MSBuild.exe	34
PID 3064 wrote to memory of 1820	3064	MSBuild.exe	34
PID 3064 wrote to memory of 1820	3064	MSBuild.exe	34
PID 1820 wrote to memory of 2652	1820	AKJEGCFBGD.exe	35
PID 1820 wrote to memory of 2652	1820	AKJEGCFBGD.exe	35
PID 1820 wrote to memory of 2652	1820	AKJEGCFBGD.exe	35
PID 1820 wrote to memory of 2652	1820	AKJEGCFBGD.exe	35
PID 1820 wrote to memory of 2652	1820	AKJEGCFBGD.exe	35
PID 1820 wrote to memory of 2652	1820	AKJEGCFBGD.exe	35
PID 1820 wrote to memory of 2652	1820	AKJEGCFBGD.exe	35
PID 1820 wrote to memory of 2652	1820	AKJEGCFBGD.exe	35
PID 1820 wrote to memory of 2652	1820	AKJEGCFBGD.exe	35
PID 1820 wrote to memory of 2652	1820	AKJEGCFBGD.exe	35
PID 3064 wrote to memory of 1716	3064	MSBuild.exe	36
PID 3064 wrote to memory of 1716	3064	MSBuild.exe	36
PID 3064 wrote to memory of 1716	3064	MSBuild.exe	36
PID 3064 wrote to memory of 1716	3064	MSBuild.exe	36
PID 1716 wrote to memory of 1128	1716	cmd.exe	38
PID 1716 wrote to memory of 1128	1716	cmd.exe	38
PID 1716 wrote to memory of 1128	1716	cmd.exe	38
PID 1716 wrote to memory of 1128	1716	cmd.exe	38

C:\Users\Admin\AppData\Local\Temp\7f3c2473d1e6.exe
"C:\Users\Admin\AppData\Local\Temp\7f3c2473d1e6.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2536
- 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:3064
- - C:\ProgramData\AKJEGCFBGD.exe
    "C:\ProgramData\AKJEGCFBGD.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1820
  - - 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:2652
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\HJJJDAEGIDHC" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1716
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:1128

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\Cab698.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar6D9.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
\ProgramData\AKJEGCFBGD.exe

Filesize
547KB

MD5
eb170edfceed8a0cea1de9e335fe0116

SHA1
8846027205888fff41c40f9bd11b0731e378874f

SHA256
0e60dabbdc133ff872b0c690604566a55f8351178f31d7012fccf256c5fe27e2

SHA512
4db877afe5af0fbf1a551b245a6fbf25d3b694aca42cbe5e0bcb895a30c577ac3ff7d355b860a9849158da4547c3f7ac06b40a2ea8d38d3742b2df3340113c16

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/1820-82-0x0000000000AF4000-0x0000000000AF5000-memory.dmp

Filesize
4KB

Download
memory/2536-0-0x0000000000E5C000-0x0000000000E5E000-memory.dmp

Filesize
8KB

Download
memory/2652-88-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2652-87-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2652-86-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2652-92-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2652-91-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2652-89-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2652-85-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2652-84-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2652-83-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/3064-7-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/3064-14-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3064-58-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3064-59-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3064-66-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3064-67-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3064-28-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3064-18-0x000000001B970000-0x000000001BBCF000-memory.dmp

Filesize
2.4MB

Download
memory/3064-15-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3064-29-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3064-1-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3064-3-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3064-4-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3064-5-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3064-9-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3064-13-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3064-10-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3064-6-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3064-2-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3064-127-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download