lumma | 546711b6e47bff1928c1c1bb91dfcddef822daaaa306898e28b17713b0c4cc2b

Analysis

max time kernel
95s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31/01/2025, 09:04

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General

Target

32cv.exe
Size

7.5MB
MD5

e49c805bea452526e776e9bcafc8ce74
SHA1

fcdec2c6fb520a669494be34e357a2df43d89114
SHA256

546711b6e47bff1928c1c1bb91dfcddef822daaaa306898e28b17713b0c4cc2b
SHA512

29d9525b968a1fd1b1f5629ae2b3a6fa96e3b462086966d1ec6d12a2d55ed6dac1a83b0fea7317a36278b86a6a03b3e608fbc5f12db472211a63d2fac93bc25f
SSDEEP

196608:enHy/R0bJHWU8xaryYG2Nuwb8AxFWojP7iXpIBvCFiUnbf+W7z:enkR0bJb20xxFZiXIeiUF

Score

10^/10

lumma discovery stealer

Malware Config

Extracted

Family

lumma

https://winnyhelplejsu.shop/api

Signatures

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

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4072 set thread context of 4068	4072	32cv.exe	87
PID 4072 set thread context of 2324	4072	32cv.exe	92
PID 4068 set thread context of 4652	4068	AddInProcess32.exe	93

System Location Discovery: System Language Discovery 1 TTPs 4 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	AddInProcess32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AddInProcess32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	32cv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AddInProcess32.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4072	32cv.exe
4072	32cv.exe
4068	AddInProcess32.exe
4068	AddInProcess32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4072	32cv.exe
Token: SeDebugPrivilege	4068	AddInProcess32.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 4072 wrote to memory of 4068	4072	32cv.exe	87
PID 4072 wrote to memory of 4068	4072	32cv.exe	87
PID 4072 wrote to memory of 4068	4072	32cv.exe	87
PID 4072 wrote to memory of 4068	4072	32cv.exe	87
PID 4072 wrote to memory of 4068	4072	32cv.exe	87
PID 4072 wrote to memory of 4068	4072	32cv.exe	87
PID 4072 wrote to memory of 4068	4072	32cv.exe	87
PID 4072 wrote to memory of 4068	4072	32cv.exe	87
PID 4072 wrote to memory of 2324	4072	32cv.exe	92
PID 4072 wrote to memory of 2324	4072	32cv.exe	92
PID 4072 wrote to memory of 2324	4072	32cv.exe	92
PID 4072 wrote to memory of 2324	4072	32cv.exe	92
PID 4072 wrote to memory of 2324	4072	32cv.exe	92
PID 4072 wrote to memory of 2324	4072	32cv.exe	92
PID 4072 wrote to memory of 2324	4072	32cv.exe	92
PID 4072 wrote to memory of 2324	4072	32cv.exe	92
PID 4072 wrote to memory of 2324	4072	32cv.exe	92
PID 4068 wrote to memory of 4652	4068	AddInProcess32.exe	93
PID 4068 wrote to memory of 4652	4068	AddInProcess32.exe	93
PID 4068 wrote to memory of 4652	4068	AddInProcess32.exe	93
PID 4068 wrote to memory of 4652	4068	AddInProcess32.exe	93
PID 4068 wrote to memory of 4652	4068	AddInProcess32.exe	93
PID 4068 wrote to memory of 4652	4068	AddInProcess32.exe	93
PID 4068 wrote to memory of 4652	4068	AddInProcess32.exe	93
PID 4068 wrote to memory of 4652	4068	AddInProcess32.exe	93
PID 4068 wrote to memory of 4652	4068	AddInProcess32.exe	93

C:\Users\Admin\AppData\Local\Temp\32cv.exe
"C:\Users\Admin\AppData\Local\Temp\32cv.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4072
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4068
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4652
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2324

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

Replay Monitor

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Downloads

memory/2324-59-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2324-61-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4068-45-0x0000000000400000-0x00000000004DA000-memory.dmp

Filesize
872KB

Download
memory/4068-17-0x0000000000400000-0x00000000004DA000-memory.dmp

Filesize
872KB

Download
memory/4068-68-0x0000000074E20000-0x00000000755D0000-memory.dmp

Filesize
7.7MB

Download
memory/4068-23-0x0000000000400000-0x00000000004DA000-memory.dmp

Filesize
872KB

Download
memory/4068-57-0x0000000074E20000-0x00000000755D0000-memory.dmp

Filesize
7.7MB

Download
memory/4068-56-0x0000000074E20000-0x00000000755D0000-memory.dmp

Filesize
7.7MB

Download
memory/4068-35-0x0000000000400000-0x00000000004DA000-memory.dmp

Filesize
872KB

Download
memory/4068-41-0x0000000000400000-0x00000000004DA000-memory.dmp

Filesize
872KB

Download
memory/4068-43-0x0000000000400000-0x00000000004DA000-memory.dmp

Filesize
872KB

Download
memory/4068-25-0x0000000000400000-0x00000000004DA000-memory.dmp

Filesize
872KB

Download
memory/4068-27-0x0000000000400000-0x00000000004DA000-memory.dmp

Filesize
872KB

Download
memory/4068-21-0x0000000000400000-0x00000000004DA000-memory.dmp

Filesize
872KB

Download
memory/4068-58-0x0000000074E20000-0x00000000755D0000-memory.dmp

Filesize
7.7MB

Download
memory/4068-18-0x0000000074E20000-0x00000000755D0000-memory.dmp

Filesize
7.7MB

Download
memory/4068-19-0x0000000074E20000-0x00000000755D0000-memory.dmp

Filesize
7.7MB

Download
memory/4072-3-0x0000000006110000-0x00000000066B4000-memory.dmp

Filesize
5.6MB

Download
memory/4072-7-0x0000000074E20000-0x00000000755D0000-memory.dmp

Filesize
7.7MB

Download
memory/4072-15-0x0000000074E20000-0x00000000755D0000-memory.dmp

Filesize
7.7MB

Download
memory/4072-14-0x0000000074E2E000-0x0000000074E2F000-memory.dmp

Filesize
4KB

Download
memory/4072-13-0x0000000007C30000-0x0000000007C36000-memory.dmp

Filesize
24KB

Download
memory/4072-12-0x0000000009640000-0x000000000965A000-memory.dmp

Filesize
104KB

Download
memory/4072-11-0x0000000074E20000-0x00000000755D0000-memory.dmp

Filesize
7.7MB

Download
memory/4072-10-0x0000000005230000-0x0000000005236000-memory.dmp

Filesize
24KB

Download
memory/4072-9-0x0000000009910000-0x0000000009BD2000-memory.dmp

Filesize
2.8MB

Download
memory/4072-8-0x0000000005B90000-0x0000000005B9A000-memory.dmp

Filesize
40KB

Download
memory/4072-0-0x0000000074E2E000-0x0000000074E2F000-memory.dmp

Filesize
4KB

Download
memory/4072-16-0x0000000074E20000-0x00000000755D0000-memory.dmp

Filesize
7.7MB

Download
memory/4072-6-0x00000000057B0000-0x00000000057D2000-memory.dmp

Filesize
136KB

Download
memory/4072-5-0x0000000005CA0000-0x0000000005D3C000-memory.dmp

Filesize
624KB

Download
memory/4072-2-0x0000000005800000-0x0000000005B54000-memory.dmp

Filesize
3.3MB

Download
memory/4072-1-0x0000000000630000-0x0000000000DBE000-memory.dmp

Filesize
7.6MB

Download
memory/4072-62-0x0000000074E20000-0x00000000755D0000-memory.dmp

Filesize
7.7MB

Download
memory/4072-4-0x0000000005C00000-0x0000000005C92000-memory.dmp

Filesize
584KB

Download
memory/4652-65-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4652-67-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4652-63-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download