lumma | ddcc8c2d5496b09efa3a27a5bd1c9386b5595cb009c980a2703fc8c9f355b3b1

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
26/08/2024, 16:59

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General

Target

fix/x86_64-w64-ranlib.exe
Size

240KB
MD5

f22f1c4c170a1725d30ee476e6d8ab49
SHA1

4dffb9f7e03b4fa10d7320251a09dae205757a78
SHA256

546c34c2782216278a8273d3c9d3a954a980c7c2c7be220914aefe446fe94fd8
SHA512

6313cfafc8d8c2b459039803dc8e53b20d1febf7d395cec3aca8737fe605fe53961c98e5a0140752125032ea329ee84991556de7d6c06f2397d116892482c1a3
SSDEEP

3072:1DjBbSIIgnhE2ilnp1qyJEozan2/5NRnJsDqjUnM6tMhfa37/:1p2Tp0Mjy2Rfn1jEZz

Score

10^/10

lumma discovery stealer

Malware Config

Extracted

Family

lumma

https://froytnewqowv.shop/api

Signatures

Lumma Stealer, LummaC
Lumma or LummaC is an infostealer written in C++ first seen in August 2022.
stealer lumma

Loads dropped DLL 1 IoCs

pid	Process
2996	x86_64-w64-ranlib.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2996 set thread context of 3844	2996	x86_64-w64-ranlib.exe	85

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3228	3844	WerFault.exe	85
3120	3844	WerFault.exe	85

System Location Discovery: System Language Discovery 1 TTPs 2 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	aspnet_regiis.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	x86_64-w64-ranlib.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2996 wrote to memory of 3844	2996	x86_64-w64-ranlib.exe	85
PID 2996 wrote to memory of 3844	2996	x86_64-w64-ranlib.exe	85
PID 2996 wrote to memory of 3844	2996	x86_64-w64-ranlib.exe	85
PID 2996 wrote to memory of 3844	2996	x86_64-w64-ranlib.exe	85
PID 2996 wrote to memory of 3844	2996	x86_64-w64-ranlib.exe	85
PID 2996 wrote to memory of 3844	2996	x86_64-w64-ranlib.exe	85
PID 2996 wrote to memory of 3844	2996	x86_64-w64-ranlib.exe	85
PID 2996 wrote to memory of 3844	2996	x86_64-w64-ranlib.exe	85
PID 2996 wrote to memory of 3844	2996	x86_64-w64-ranlib.exe	85

C:\Users\Admin\AppData\Local\Temp\fix\x86_64-w64-ranlib.exe
"C:\Users\Admin\AppData\Local\Temp\fix\x86_64-w64-ranlib.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2996
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3844
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3844 -s 620
    3⤵
    - Program crash
    PID:3228
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3844 -s 1008
    3⤵
    - Program crash
    PID:3120

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3844 -ip 3844
1⤵
PID:1204

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 3844 -ip 3844
1⤵
PID:3524

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\d3d9x.dll

Filesize
489KB

MD5
5a8a8af3baf118d8f86173e10f4a5b68

SHA1
e147563b3f27f02403b2f7f261cf41e6a9cf3324

SHA256
13ffba04ad8898543ec8a427a6d56064080a937ce390ea47056f747e6084bbf3

SHA512
1c70f8a3ab867ba617743100f2285ec88542763ca57a0eb3fd743ecf7d5fce8fd7793e9b85162c5d076a9f77eea5969ceb5619220eb3bf1cd674ce916f9ff494

Download Submit
memory/2996-7-0x0000000077161000-0x0000000077281000-memory.dmp

Filesize
1.1MB

Download
memory/3844-11-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/3844-13-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/3844-14-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/3844-15-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download