lumma | 3e9bcffa53eaeed8668e7908a9a85b3c2a67608f7c3a1ceba896a8a1f45add76

Analysis

max time kernel
122s
max time network
129s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-10-2024 02:23

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

1ea9e6542ab9990ae4a578c799e185ae.exe
Size

571KB
MD5

1ea9e6542ab9990ae4a578c799e185ae
SHA1

fbf88d5a63b8681e6ad99ed2352d7cb5c3b5af9d
SHA256

3e9bcffa53eaeed8668e7908a9a85b3c2a67608f7c3a1ceba896a8a1f45add76
SHA512

386fe388da5dfeba729262f2cc5d1e3dd2c5d871433c94ff4dc4637030f9c916872976578c32f1c2fa6810e35085fbf17a5fcda2a6919a7e9cd319fab6ce1ee9
SSDEEP

12288:ULg1ZnYljsg9y2m5kuQHN08Wo8dtA9z1mlMyDRYP/4S:UwnYV25P8Wo8d+x746PA

Score

10^/10

lumma vidar 4a5bc8b73e12425adc3c399da8136891 credential_access discovery spyware stealer

Malware Config

Extracted

Family

vidar

Botnet

4a5bc8b73e12425adc3c399da8136891

https://t.me/maslengdsa

https://steamcommunity.com/profiles/76561199786602107

https://t.me/lpnjoke

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 16 IoCs

stealer

resource	yara_rule
behavioral1/memory/2520-10-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2520-13-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2520-6-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2520-5-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2520-4-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2520-8-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2520-147-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2520-166-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2520-200-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2520-219-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2520-245-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2520-351-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2520-370-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2520-413-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2520-432-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2520-544-0x0000000000400000-0x0000000000676000-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
1128	EGDBFIIECB.exe

Loads dropped DLL 14 IoCs

pid	Process
2520	MSBuild.exe
2520	MSBuild.exe
2520	MSBuild.exe
2520	MSBuild.exe
2520	MSBuild.exe
2520	MSBuild.exe
2520	MSBuild.exe
2132	WerFault.exe
2132	WerFault.exe
2132	WerFault.exe
2132	WerFault.exe
2132	WerFault.exe
2132	WerFault.exe
2132	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 2068 set thread context of 2520	2068	1ea9e6542ab9990ae4a578c799e185ae.exe	30
PID 1128 set thread context of 108	1128	EGDBFIIECB.exe	37

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2352	2068	WerFault.exe	29
2132	1128	WerFault.exe	35

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	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	1ea9e6542ab9990ae4a578c799e185ae.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EGDBFIIECB.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
1876	timeout.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2520	MSBuild.exe
2520	MSBuild.exe
2520	MSBuild.exe
2520	MSBuild.exe
2520	MSBuild.exe
2520	MSBuild.exe
2520	MSBuild.exe
2520	MSBuild.exe

Suspicious use of WriteProcessMemory 45 IoCs

description	pid	Process	procid_target
PID 2068 wrote to memory of 2520	2068	1ea9e6542ab9990ae4a578c799e185ae.exe	30
PID 2068 wrote to memory of 2520	2068	1ea9e6542ab9990ae4a578c799e185ae.exe	30
PID 2068 wrote to memory of 2520	2068	1ea9e6542ab9990ae4a578c799e185ae.exe	30
PID 2068 wrote to memory of 2520	2068	1ea9e6542ab9990ae4a578c799e185ae.exe	30
PID 2068 wrote to memory of 2520	2068	1ea9e6542ab9990ae4a578c799e185ae.exe	30
PID 2068 wrote to memory of 2520	2068	1ea9e6542ab9990ae4a578c799e185ae.exe	30
PID 2068 wrote to memory of 2520	2068	1ea9e6542ab9990ae4a578c799e185ae.exe	30
PID 2068 wrote to memory of 2520	2068	1ea9e6542ab9990ae4a578c799e185ae.exe	30
PID 2068 wrote to memory of 2520	2068	1ea9e6542ab9990ae4a578c799e185ae.exe	30
PID 2068 wrote to memory of 2520	2068	1ea9e6542ab9990ae4a578c799e185ae.exe	30
PID 2068 wrote to memory of 2520	2068	1ea9e6542ab9990ae4a578c799e185ae.exe	30
PID 2068 wrote to memory of 2352	2068	1ea9e6542ab9990ae4a578c799e185ae.exe	31
PID 2068 wrote to memory of 2352	2068	1ea9e6542ab9990ae4a578c799e185ae.exe	31
PID 2068 wrote to memory of 2352	2068	1ea9e6542ab9990ae4a578c799e185ae.exe	31
PID 2068 wrote to memory of 2352	2068	1ea9e6542ab9990ae4a578c799e185ae.exe	31
PID 2520 wrote to memory of 1128	2520	MSBuild.exe	35
PID 2520 wrote to memory of 1128	2520	MSBuild.exe	35
PID 2520 wrote to memory of 1128	2520	MSBuild.exe	35
PID 2520 wrote to memory of 1128	2520	MSBuild.exe	35
PID 1128 wrote to memory of 2296	1128	EGDBFIIECB.exe	36
PID 1128 wrote to memory of 2296	1128	EGDBFIIECB.exe	36
PID 1128 wrote to memory of 2296	1128	EGDBFIIECB.exe	36
PID 1128 wrote to memory of 2296	1128	EGDBFIIECB.exe	36
PID 1128 wrote to memory of 108	1128	EGDBFIIECB.exe	37
PID 1128 wrote to memory of 108	1128	EGDBFIIECB.exe	37
PID 1128 wrote to memory of 108	1128	EGDBFIIECB.exe	37
PID 1128 wrote to memory of 108	1128	EGDBFIIECB.exe	37
PID 1128 wrote to memory of 108	1128	EGDBFIIECB.exe	37
PID 1128 wrote to memory of 108	1128	EGDBFIIECB.exe	37
PID 1128 wrote to memory of 108	1128	EGDBFIIECB.exe	37
PID 1128 wrote to memory of 108	1128	EGDBFIIECB.exe	37
PID 1128 wrote to memory of 108	1128	EGDBFIIECB.exe	37
PID 1128 wrote to memory of 108	1128	EGDBFIIECB.exe	37
PID 1128 wrote to memory of 2132	1128	EGDBFIIECB.exe	38
PID 1128 wrote to memory of 2132	1128	EGDBFIIECB.exe	38
PID 1128 wrote to memory of 2132	1128	EGDBFIIECB.exe	38
PID 1128 wrote to memory of 2132	1128	EGDBFIIECB.exe	38
PID 2520 wrote to memory of 596	2520	MSBuild.exe	39
PID 2520 wrote to memory of 596	2520	MSBuild.exe	39
PID 2520 wrote to memory of 596	2520	MSBuild.exe	39
PID 2520 wrote to memory of 596	2520	MSBuild.exe	39
PID 596 wrote to memory of 1876	596	cmd.exe	41
PID 596 wrote to memory of 1876	596	cmd.exe	41
PID 596 wrote to memory of 1876	596	cmd.exe	41
PID 596 wrote to memory of 1876	596	cmd.exe	41

C:\Users\Admin\AppData\Local\Temp\1ea9e6542ab9990ae4a578c799e185ae.exe
"C:\Users\Admin\AppData\Local\Temp\1ea9e6542ab9990ae4a578c799e185ae.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2068
- 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:2520
- - C:\ProgramData\EGDBFIIECB.exe
    "C:\ProgramData\EGDBFIIECB.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1128
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      4⤵
      PID:2296
  - - 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:108
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1128 -s 72
      4⤵
      Loads dropped DLL
      Program crash
      PID:2132
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\BKJEGDGIJECG" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:596
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:1876
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2068 -s 52
  2⤵
  - Program crash
  PID:2352

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

Loading Replay Monitor...

Downloads

C:\ProgramData\EGDBFIIECB.exe

Filesize
538KB

MD5
dfa10532bcdd904057a84674e90a5792

SHA1
267e66d81db36ae2cd5557f291d1edbbd2e3b6c6

SHA256
ca03b8d8929a2c6a1e94663b3b45a1d46b6e5002f13858c8dc05a83d5b11c607

SHA512
eaae5e870f05fc7b44d843a96484c5fe0e87f24020e5ca37260e9e3b1f72c3d1afd6c4e1d1f87bbf4d8e118e01dbcda531d0d489642f111c81e62e771f3c6a7e

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
a7a3164fb9a0fef0e53ce1340c33e919

SHA1
16afa5d9b25ed53cc7ede554d730b306b357b6e6

SHA256
78a87a15d25ed49b1b04b0e9cd836c40709feb0f0b6cf0c237808cf10a4d29d8

SHA512
0a764010699a1b584624804df5a9000171762e8c0ce7794f3036323b7e6385c952511c6e2b97f28f5e3e004c9a4acc8fa3b536d955354748c7ac6123ed4d8f3e

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabDB34.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarDBB4.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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/108-516-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/108-517-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/108-518-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/108-515-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/108-512-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/108-510-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/108-509-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/108-506-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2068-0-0x0000000000D2D000-0x0000000000D2F000-memory.dmp

Filesize
8KB

Download
memory/2520-8-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2520-1-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2520-200-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2520-219-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2520-245-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2520-166-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2520-147-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2520-351-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2520-370-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2520-413-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2520-432-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2520-185-0x000000001DB50000-0x000000001DDAF000-memory.dmp

Filesize
2.4MB

Download
memory/2520-3-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2520-4-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2520-5-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2520-6-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2520-13-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2520-10-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2520-7-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2520-2-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2520-544-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download