lumma | 4f151dc21cd5eb4d5f545722b1d4597e18c88efcb44221acca0056d5c7c46cb1

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02/11/2024, 18:48

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General

Target
2024-11-02_02d7d805194a09eb7bf1ff2bf9f5e22b_poet-rat_snatch.exe
Size 6.8MB
Sample241102-xf2caaseqq
SHA256 4f151dc21cd5eb4d5f545722b1d4597e18c88efcb44221acca0056d5c7c46cb1
MD5 02d7d805194a09eb7bf1ff2bf9f5e22b
SHA1 bd89100d65ba408ff2eae631064e356c82f06e01
SHA512 5aee17cd53a820e9eb12da90a243b9671f27af98e76fb3d4e8d137a66b83fef103b9dfa6bd848038f343294ddac8f42e1cb2585617c775e02b517a8a4391ea62
SSDEEP 98304:b6y0e4XhYt5iwzNHVCYhVOSZQf55fssZ3srXMr6l7j7l:bzBVCYTOSZwfvZ3srXMgj7
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

lumma stealc 7122819010 defense_evasion discovery stealer

Malware Config

Extracted

Family

stealc

Botnet

7122819010

http://83.217.209.11

Attributes

url_path
/fd2453cf4b7dd4a4.php

Extracted

Family

lumma

https://forbidstow.site/api
https://goalyfeastz.site/api
https://contemteny.site/api
https://dilemmadu.site/api
https://authorisev.site/api

Signatures

Lumma Stealer, LummaC
Lumma or LummaC is an infostealer written in C++ first seen in August 2022.
stealer lumma
Lumma family
lumma
Stealc
Stealc is an infostealer written in C++.
stealer stealc
Stealc family
stealc
Downloads MZ/PE file

Checks computer location settings 2 TTPs 2 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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	rundll32.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	rundll32.exe

Executes dropped EXE 3 IoCs

pid	Process
1964	3.exe
3424	4.exe
5008	3.exe

Loads dropped DLL 1 IoCs

pid	Process
3424	4.exe

System Binary Proxy Execution: Rundll32 1 TTPs 2 IoCs

Abuse Rundll32 to proxy execution of malicious code.

defense_evasion

Rundll32

T1218.011

pid	Process
2464	rundll32.exe
988	rundll32.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3424 set thread context of 3240	3424	4.exe	95
PID 1964 set thread context of 5008	1964	3.exe	106

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2224	3240	WerFault.exe	95
2364	1964	WerFault.exe	89

System Location Discovery: System Language Discovery 1 TTPs 7 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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aspnet_regiis.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-02_02d7d805194a09eb7bf1ff2bf9f5e22b_poet-rat_snatch.exe

GoLang User-Agent 1 IoCs

Uses default user-agent string defined by GoLang HTTP packages.

description	flow	ioc
HTTP User-Agent header	3	Go-http-client/1.1

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 1880 wrote to memory of 2464	1880	2024-11-02_02d7d805194a09eb7bf1ff2bf9f5e22b_poet-rat_snatch.exe	88
PID 1880 wrote to memory of 2464	1880	2024-11-02_02d7d805194a09eb7bf1ff2bf9f5e22b_poet-rat_snatch.exe	88
PID 1880 wrote to memory of 2464	1880	2024-11-02_02d7d805194a09eb7bf1ff2bf9f5e22b_poet-rat_snatch.exe	88
PID 2464 wrote to memory of 1964	2464	rundll32.exe	89
PID 2464 wrote to memory of 1964	2464	rundll32.exe	89
PID 2464 wrote to memory of 1964	2464	rundll32.exe	89
PID 1880 wrote to memory of 988	1880	2024-11-02_02d7d805194a09eb7bf1ff2bf9f5e22b_poet-rat_snatch.exe	92
PID 1880 wrote to memory of 988	1880	2024-11-02_02d7d805194a09eb7bf1ff2bf9f5e22b_poet-rat_snatch.exe	92
PID 1880 wrote to memory of 988	1880	2024-11-02_02d7d805194a09eb7bf1ff2bf9f5e22b_poet-rat_snatch.exe	92
PID 988 wrote to memory of 3424	988	rundll32.exe	93
PID 988 wrote to memory of 3424	988	rundll32.exe	93
PID 988 wrote to memory of 3424	988	rundll32.exe	93
PID 3424 wrote to memory of 3240	3424	4.exe	95
PID 3424 wrote to memory of 3240	3424	4.exe	95
PID 3424 wrote to memory of 3240	3424	4.exe	95
PID 3424 wrote to memory of 3240	3424	4.exe	95
PID 3424 wrote to memory of 3240	3424	4.exe	95
PID 3424 wrote to memory of 3240	3424	4.exe	95
PID 3424 wrote to memory of 3240	3424	4.exe	95
PID 3424 wrote to memory of 3240	3424	4.exe	95
PID 3424 wrote to memory of 3240	3424	4.exe	95
PID 3424 wrote to memory of 3240	3424	4.exe	95
PID 3424 wrote to memory of 3240	3424	4.exe	95
PID 3424 wrote to memory of 3240	3424	4.exe	95
PID 3424 wrote to memory of 3240	3424	4.exe	95
PID 1964 wrote to memory of 5008	1964	3.exe	106
PID 1964 wrote to memory of 5008	1964	3.exe	106
PID 1964 wrote to memory of 5008	1964	3.exe	106
PID 1964 wrote to memory of 5008	1964	3.exe	106
PID 1964 wrote to memory of 5008	1964	3.exe	106
PID 1964 wrote to memory of 5008	1964	3.exe	106
PID 1964 wrote to memory of 5008	1964	3.exe	106
PID 1964 wrote to memory of 5008	1964	3.exe	106
PID 1964 wrote to memory of 5008	1964	3.exe	106

C:\Users\Admin\AppData\Local\Temp\2024-11-02_02d7d805194a09eb7bf1ff2bf9f5e22b_poet-rat_snatch.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-02_02d7d805194a09eb7bf1ff2bf9f5e22b_poet-rat_snatch.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1880
- C:\Windows\SysWOW64\rundll32.exe
  rundll32 url.dll,FileProtocolHandler C:\Users\Admin\AppData\Local\Temp\3.exe
  2⤵
  - Checks computer location settings
  - System Binary Proxy Execution: Rundll32
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2464
- - C:\Users\Admin\AppData\Local\Temp\3.exe
    "C:\Users\Admin\AppData\Local\Temp\3.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1964
  - - C:\Users\Admin\AppData\Local\Temp\3.exe
      "C:\Users\Admin\AppData\Local\Temp\3.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:5008
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1964 -s 252
      4⤵
      Program crash
      PID:2364
- C:\Windows\SysWOW64\rundll32.exe
  rundll32 url.dll,FileProtocolHandler C:\Users\Admin\AppData\Local\Temp\4.exe
  2⤵
  - Checks computer location settings
  - System Binary Proxy Execution: Rundll32
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:988
- - C:\Users\Admin\AppData\Local\Temp\4.exe
    "C:\Users\Admin\AppData\Local\Temp\4.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3424
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe"
      4⤵
      System Location Discovery: System Language Discovery
      PID:3240
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3240 -s 1236
        5⤵
        Program crash
        
        PID:2224

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 180 -p 3240 -ip 3240
1⤵
PID:2168

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1964 -ip 1964
1⤵
PID:4632

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

System Binary Proxy Execution

T1218

Rundll32

T1218.011

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

3.exe

Path C:\Users\Admin\AppData\Local\Temp\3.exe
Size 1.2MB
SHA256 cf3bbceef26772eabfd6bdeeb8fd47b7a90038c7dd878d4d7b2684f5d3efa5a8
MD5 9ce9d7e81dab7151c6122a76e0417024
SHA1 af2337f208206a765d45b2ee554f968eae5d9727
SHA512 6daa08b5d656a6356a003c3c9d519d2e6471c8dddf0971c25170db19408819d5ca27df4a3e547f783a9ae784f301a7355e017b0048ffed1c52746e7b300193a4
SSDEEP 24576:4sQst5PapBfSRvZ2acs9504+3zlNLR/DsQT0eJzChbEmdzT7H9ZXwUQujpJSsHUO:4CZ8WOs50Z3zbLJDs4BJzcbEe9ZXXHjB
MD5 SHA1 SHA512 SSDEEP

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4.exe

Path C:\Users\Admin\AppData\Local\Temp\4.exe
Size 297KB
SHA256 26486989d2ed0ddc585601d83979e05c3a1fb300a281a9605fbfc9973fea70c0
MD5 0412f2882b62ea21c4e0c802eb70d76f
SHA1 0b8f6847a9cc3710c6aae8a65fa19a2e160d603f
SHA512 d58ec71f32c361659e9d8745b1b09340f7318547073adaefe3ddc3f464b93a5f93cdb6a5cfba3b402c58009bb53646fbf05ea742c93911cc0e2397bd2e2f84f9
SSDEEP 6144:wRXBuyoGWnDerdMVwnWx0B2ZOaChJWthj3+iKfGtDM1+mH:wRXYGWn4nWxU2UaCXWtZpKOtDM1+m
MD5 SHA1 SHA512 SSDEEP

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gdi32.dll

Path C:\Users\Admin\AppData\Roaming\gdi32.dll
Size 433KB
SHA256 2c19bf96188999d0e1af0dd4c31b50a65f03f87eb734ef839099ad02c3a0da35
MD5 14f31dc8048c9d35a749efc46f6932bf
SHA1 26657bffa8f874f975c8c6dd94b98bfb7fa58eec
SHA512 39d0641a789f6eb5e71db1f7f27303512c1bd3591c6980a22df6508ca414cc2ac0c57750fd76fe9bf8773c2515b48f217777642cf9a71667b6c21b432175454c
SSDEEP 6144:LnkOjrXXL3dhm8oDiu8TdaZh6LgzUXajjiMgrX5sQvOo5aqOpC30nQGr/gykQwxB:TkOHXL3wDiH0Zy5Oo5j0ngykQmbN
MD5 SHA1 SHA512 SSDEEP

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memory/3240-16-0x0000000002660000-0x00000000026CA000-memory.dmp

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memory/3240-14-0x0000000002660000-0x00000000026CA000-memory.dmp

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memory/3240-19-0x0000000002660000-0x00000000026CA000-memory.dmp

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memory/3424-6-0x0000000000390000-0x00000000003E2000-memory.dmp

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memory/3424-7-0x0000000002520000-0x0000000002526000-memory.dmp

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memory/5008-20-0x0000000000400000-0x00000000006ED000-memory.dmp

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memory/5008-22-0x0000000000400000-0x00000000006ED000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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