lumma | 788df309a4525e76338889f9aab4ed5a95e1eecf19a24e5f5f2a48c932f41a0c

General

Target

788df309a4525e76338889f9aab4ed5a95e1eecf19a24e5f5f2a48c932f41a0c.exe
Size

527KB
MD5

92cd58dddaf21e1f9b44d89d3548433c
SHA1

3800b8babf53da2b496a7e4e4ced243c4c17c612
SHA256

788df309a4525e76338889f9aab4ed5a95e1eecf19a24e5f5f2a48c932f41a0c
SHA512

6e98eec9ed380ac9adc6b0496d5c5fceb857ce441edf12abf0b138445fa64135ef584fde123c3ac42e9975ff3c6d1f752e6cbb73b71f235b9eb12140b4d413de
SSDEEP

12288:yUBIdSw37RH8yvb8RdzSXbHHwGTpVjctWt+6uh3KPEEO:tm7xDz8RoXbJfcIt+5sEt

Score

10^/10

lumma discovery stealer

Malware Config

Extracted

Family

lumma

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2248 set thread context of 2824	2248	788df309a4525e76338889f9aab4ed5a95e1eecf19a24e5f5f2a48c932f41a0c.exe	29

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1964	2248	WerFault.exe	28

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	788df309a4525e76338889f9aab4ed5a95e1eecf19a24e5f5f2a48c932f41a0c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2248 wrote to memory of 2824	2248	788df309a4525e76338889f9aab4ed5a95e1eecf19a24e5f5f2a48c932f41a0c.exe	29
PID 2248 wrote to memory of 2824	2248	788df309a4525e76338889f9aab4ed5a95e1eecf19a24e5f5f2a48c932f41a0c.exe	29
PID 2248 wrote to memory of 2824	2248	788df309a4525e76338889f9aab4ed5a95e1eecf19a24e5f5f2a48c932f41a0c.exe	29
PID 2248 wrote to memory of 2824	2248	788df309a4525e76338889f9aab4ed5a95e1eecf19a24e5f5f2a48c932f41a0c.exe	29
PID 2248 wrote to memory of 2824	2248	788df309a4525e76338889f9aab4ed5a95e1eecf19a24e5f5f2a48c932f41a0c.exe	29
PID 2248 wrote to memory of 2824	2248	788df309a4525e76338889f9aab4ed5a95e1eecf19a24e5f5f2a48c932f41a0c.exe	29
PID 2248 wrote to memory of 2824	2248	788df309a4525e76338889f9aab4ed5a95e1eecf19a24e5f5f2a48c932f41a0c.exe	29
PID 2248 wrote to memory of 2824	2248	788df309a4525e76338889f9aab4ed5a95e1eecf19a24e5f5f2a48c932f41a0c.exe	29
PID 2248 wrote to memory of 2824	2248	788df309a4525e76338889f9aab4ed5a95e1eecf19a24e5f5f2a48c932f41a0c.exe	29
PID 2248 wrote to memory of 2824	2248	788df309a4525e76338889f9aab4ed5a95e1eecf19a24e5f5f2a48c932f41a0c.exe	29
PID 2248 wrote to memory of 1964	2248	788df309a4525e76338889f9aab4ed5a95e1eecf19a24e5f5f2a48c932f41a0c.exe	30
PID 2248 wrote to memory of 1964	2248	788df309a4525e76338889f9aab4ed5a95e1eecf19a24e5f5f2a48c932f41a0c.exe	30
PID 2248 wrote to memory of 1964	2248	788df309a4525e76338889f9aab4ed5a95e1eecf19a24e5f5f2a48c932f41a0c.exe	30
PID 2248 wrote to memory of 1964	2248	788df309a4525e76338889f9aab4ed5a95e1eecf19a24e5f5f2a48c932f41a0c.exe	30

C:\Users\Admin\AppData\Local\Temp\788df309a4525e76338889f9aab4ed5a95e1eecf19a24e5f5f2a48c932f41a0c.exe
"C:\Users\Admin\AppData\Local\Temp\788df309a4525e76338889f9aab4ed5a95e1eecf19a24e5f5f2a48c932f41a0c.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2248
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2824
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2248 -s 92
  2⤵
  - Program crash
  PID:1964

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\Cab14A.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar228.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/2248-0-0x0000000000C70000-0x0000000000C71000-memory.dmp

Filesize
4KB

Download
memory/2824-4-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2824-6-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2824-5-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2824-10-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2824-3-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2824-2-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2824-8-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2824-1-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2824-9-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2824-45-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download

Analysis

Sharing