lumma | d27b7d7734c4f718e09bdd9864771c821607a92b91deb0946c8808ee97a20e06

General

Target

New folder/Set-up.exe
Size

86KB
MD5

3bd79a1f6d2ea0fddea3f8914b2a6a0c
SHA1

3ea3f44f81b3501e652b448a7dc33a8ee739772e
SHA256

332e6806eff846a2e6d0dc04a70d3503855dabfa83e6ec27f37e2d9103e80e51
SHA512

7bbb3f3af90443803f7689c973a64f894fb48bd744ab0c70af7dfa7c763354dc6f67a7fbb7053d38b0c6611b0aaa532e73eb2579c1445b8a31c573f8bf972a67
SSDEEP

1536:EU5EG5XI/6POYy6SAi11XFDwYVyjThxXeZBHl+YMk8iVbNuissy:95EG5XI/SOOQyYVF9l+DkvVp6

Score

10^/10

lumma discovery stealer

Malware Config

Extracted

Family

lumma

C2

https://sordid-snaked.cyou/api

https://awake-weaves.cyou/api

https://wrathful-jammy.cyou/api

https://debonairnukk.xyz/api

https://diffuculttan.xyz/api

https://effecterectz.xyz/api

https://deafeninggeh.biz/api

https://immureprech.biz/api

https://wishbusher.click/api

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
1744	Caller.exe

Blocklisted process makes network request 2 IoCs

flow	pid	Process
39	2416	msiexec.exe
43	2416	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4488 set thread context of 4016	4488	Set-up.exe	88

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	Set-up.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Caller.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	more.com
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msiexec.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4488	Set-up.exe
4488	Set-up.exe
4488	Set-up.exe
4488	Set-up.exe
4016	more.com
4016	more.com

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
4488	Set-up.exe
4016	more.com

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4488 wrote to memory of 1744	4488	Set-up.exe	82
PID 4488 wrote to memory of 1744	4488	Set-up.exe	82
PID 4488 wrote to memory of 1744	4488	Set-up.exe	82
PID 4488 wrote to memory of 4016	4488	Set-up.exe	88
PID 4488 wrote to memory of 4016	4488	Set-up.exe	88
PID 4488 wrote to memory of 4016	4488	Set-up.exe	88
PID 4488 wrote to memory of 4016	4488	Set-up.exe	88
PID 4016 wrote to memory of 2416	4016	more.com	93
PID 4016 wrote to memory of 2416	4016	more.com	93
PID 4016 wrote to memory of 2416	4016	more.com	93
PID 4016 wrote to memory of 2416	4016	more.com	93
PID 4016 wrote to memory of 2416	4016	more.com	93

C:\Users\Admin\AppData\Local\Temp\New folder\Set-up.exe
"C:\Users\Admin\AppData\Local\Temp\New folder\Set-up.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4488
- C:\Users\Admin\AppData\Roaming\Context\XAWSOHPKKQMHBTRXQ\Caller.exe
  C:\Users\Admin\AppData\Roaming\Context\XAWSOHPKKQMHBTRXQ\Caller.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1744
- C:\Windows\SysWOW64\more.com
  C:\Windows\SysWOW64\more.com
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:4016
- - C:\Windows\SysWOW64\msiexec.exe
    C:\Windows\SysWOW64\msiexec.exe
    3⤵
    - Blocklisted process makes network request
    - System Location Discovery: System Language Discovery
    PID:2416

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\32c451a2

Filesize
5.2MB

MD5
1eb36a5e12d3e0317e5f113617c588df

SHA1
03fa2fb7d70a83caa8554eae5f06ca8615e16634

SHA256
7d6889c7ea3f2961de5b493d676c05c17ea42aca7cd49c3be0c76a9f6ecc0634

SHA512
7ac80413cc1f9e7ae67bf055e0ad593ea73011a2f37d3f612839f9ad11e38b057de35c4855b39067b857930f8397d44766f545f280da81d8b5680e3baeb49af1

Download Submit
C:\Users\Admin\AppData\Roaming\Context\XAWSOHPKKQMHBTRXQ\Caller.exe

Filesize
4.2MB

MD5
2018644aac84a2de8a767ec1da19993e

SHA1
4ec18507a02d88f49a089851e773c082327ffa42

SHA256
d2251490ca5bd67e63ea52a65bbff8823f2012f417ad0bd073366c02aa0b3828

SHA512
4b171ce616756ace308b61d3d2cc43ced952ce4dc04360ab18499cc959cbf08dc5331610f7bb59c34fcdcb72694b455dc556757cba4cb1ed17b78503bcc26c48

Download Submit
memory/2416-33-0x0000000000160000-0x0000000000172000-memory.dmp

Filesize
72KB

Download
memory/2416-32-0x0000000000970000-0x00000000009C8000-memory.dmp

Filesize
352KB

Download
memory/2416-31-0x00007FFD1B1F0000-0x00007FFD1B3E5000-memory.dmp

Filesize
2.0MB

Download
memory/4016-29-0x0000000076320000-0x00000000768D3000-memory.dmp

Filesize
5.7MB

Download
memory/4016-23-0x00007FFD1B1F0000-0x00007FFD1B3E5000-memory.dmp

Filesize
2.0MB

Download
memory/4016-30-0x0000000076321000-0x000000007632F000-memory.dmp

Filesize
56KB

Download
memory/4016-25-0x0000000076320000-0x00000000768D3000-memory.dmp

Filesize
5.7MB

Download
memory/4016-24-0x0000000076320000-0x00000000768D3000-memory.dmp

Filesize
5.7MB

Download
memory/4016-21-0x0000000076321000-0x000000007632F000-memory.dmp

Filesize
56KB

Download
memory/4488-18-0x0000000076320000-0x00000000768D3000-memory.dmp

Filesize
5.7MB

Download
memory/4488-6-0x00007FFD1B1F0000-0x00007FFD1B3E5000-memory.dmp

Filesize
2.0MB

Download
memory/4488-12-0x0000000076320000-0x00000000768D3000-memory.dmp

Filesize
5.7MB

Download
memory/4488-17-0x0000000000A25000-0x0000000000FC1000-memory.dmp

Filesize
5.6MB

Download
memory/4488-1-0x0000000000A25000-0x0000000000FC1000-memory.dmp

Filesize
5.6MB

Download
memory/4488-16-0x0000000000A10000-0x00000000019F6000-memory.dmp

Filesize
15.9MB

Download
memory/4488-5-0x0000000076320000-0x00000000768D3000-memory.dmp

Filesize
5.7MB

Download
memory/4488-2-0x0000000000A10000-0x00000000019F6000-memory.dmp

Filesize
15.9MB

Download
memory/4488-0-0x0000000000420000-0x0000000000421000-memory.dmp

Filesize
4KB

Download

Analysis

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