lumma | 000abc24d378fefbbee9e4466a200f4088e63c941bb7ecba18af54d6e23fecfa

Analysis

max time kernel
120s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-11-2024 02:00

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General

Target

Set-up.exe
Size

6.2MB
MD5

11c8962675b6d535c018a63be0821e4c
SHA1

a150fa871e10919a1d626ffe37b1a400142f452b
SHA256

421e36788bfcb4433178c657d49aa711446b3a783f7697a4d7d402a503c1f273
SHA512

3973c23fc652e82f2415ff81f2756b55e46c6807cc4a8c37e5e31009cec45ab47c5d4228c03b5e3a972cacd6547cf0d3273965f263b1b2d608af89f5be6e459a
SSDEEP

98304:u4bRxuHuFP2rHLpHPA477yNRgoPbfnRROWR721LYfs17u0kcFrXLEJfwY:u4NxuOFI1AEyrbf/52BYfs1LkcFrXL+X

Score

10^/10

lumma discovery stealer

Malware Config

Extracted

Family

lumma

https://candidatersz.cyou/api

Signatures

Lumma Stealer, LummaC
Lumma or LummaC is an infostealer written in C++ first seen in August 2022.
stealer lumma
Lumma family
lumma
Blocklisted process makes network request 7 IoCs

Processes:

msiexec.exe

flow pid process

3 1660 msiexec.exe
7 1660 msiexec.exe
9 1660 msiexec.exe
13 1660 msiexec.exe
17 1660 msiexec.exe
19 1660 msiexec.exe
21 1660 msiexec.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

Set-up.exe

description pid process target process

PID 2016 set thread context of 2464 2016 Set-up.exe more.com

flow	pid	process
3	1660	msiexec.exe
7	1660	msiexec.exe
9	1660	msiexec.exe
13	1660	msiexec.exe
17	1660	msiexec.exe
19	1660	msiexec.exe
21	1660	msiexec.exe

description	pid	process	target process
PID 2016 set thread context of 2464	2016	Set-up.exe	more.com

System Location Discovery: System Language Discovery 1 TTPs 3 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

Processes:

Set-up.exemore.commsiexec.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Set-up.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 4 IoCs

Processes:

Set-up.exemore.com

pid process

2016 Set-up.exe
2016 Set-up.exe
2464 more.com
2464 more.com
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

Set-up.exemore.com

pid process

2016 Set-up.exe
2464 more.com

pid	process
2016	Set-up.exe
2016	Set-up.exe
2464	more.com
2464	more.com

pid	process
2016	Set-up.exe
2464	more.com

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

Set-up.exemore.com

description	pid	process	target process
PID 2016 wrote to memory of 2464	2016	Set-up.exe	more.com
PID 2016 wrote to memory of 2464	2016	Set-up.exe	more.com
PID 2016 wrote to memory of 2464	2016	Set-up.exe	more.com
PID 2016 wrote to memory of 2464	2016	Set-up.exe	more.com
PID 2016 wrote to memory of 2464	2016	Set-up.exe	more.com
PID 2464 wrote to memory of 1660	2464	more.com	msiexec.exe
PID 2464 wrote to memory of 1660	2464	more.com	msiexec.exe
PID 2464 wrote to memory of 1660	2464	more.com	msiexec.exe
PID 2464 wrote to memory of 1660	2464	more.com	msiexec.exe
PID 2464 wrote to memory of 1660	2464	more.com	msiexec.exe
PID 2464 wrote to memory of 1660	2464	more.com	msiexec.exe
PID 2464 wrote to memory of 1660	2464	more.com	msiexec.exe
PID 2464 wrote to memory of 1660	2464	more.com	msiexec.exe
PID 2464 wrote to memory of 1660	2464	more.com	msiexec.exe

C:\Users\Admin\AppData\Local\Temp\Set-up.exe
"C:\Users\Admin\AppData\Local\Temp\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:2016
- 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:2464
- - C:\Windows\SysWOW64\msiexec.exe
    C:\Windows\SysWOW64\msiexec.exe
    3⤵
    - Blocklisted process makes network request
    - System Location Discovery: System Language Discovery
    PID:1660

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

C:\Users\Admin\AppData\Local\Temp\Cab395A.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar397D.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
C:\Users\Admin\AppData\Local\Temp\afdd390f

Filesize
1.0MB

MD5
c2f7406fa319573892d9d3921c1e9365

SHA1
dc1b96e1f987b2e439e45490c3881ec5703e04db

SHA256
72b4de068655d1c140facbcaf8253916a268cea889dca6e464f676b218f0baec

SHA512
ca1934e79b031ddb602d8af8440d41c76e56192b046103e76ddb560b6fcb294a132e79af0f9085b2365796afc3c9bebeecf8a1b17e404b1f175f4aac93572600

Download Submit
memory/1660-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1660-26-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/1660-25-0x00000000778E0000-0x0000000077A89000-memory.dmp

Filesize
1.7MB

Download
memory/1660-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2016-13-0x0000000073D50000-0x0000000073EC4000-memory.dmp

Filesize
1.5MB

Download
memory/2016-0-0x0000000073D50000-0x0000000073EC4000-memory.dmp

Filesize
1.5MB

Download
memory/2016-12-0x0000000073D50000-0x0000000073EC4000-memory.dmp

Filesize
1.5MB

Download
memory/2016-11-0x0000000073D63000-0x0000000073D65000-memory.dmp

Filesize
8KB

Download
memory/2016-1-0x00000000778E0000-0x0000000077A89000-memory.dmp

Filesize
1.7MB

Download
memory/2464-18-0x0000000073D50000-0x0000000073EC4000-memory.dmp

Filesize
1.5MB

Download
memory/2464-20-0x0000000073D50000-0x0000000073EC4000-memory.dmp

Filesize
1.5MB

Download
memory/2464-19-0x0000000073D50000-0x0000000073EC4000-memory.dmp

Filesize
1.5MB

Download
memory/2464-17-0x00000000778E0000-0x0000000077A89000-memory.dmp

Filesize
1.7MB

Download
memory/2464-15-0x0000000073D50000-0x0000000073EC4000-memory.dmp

Filesize
1.5MB

Download
memory/2464-24-0x0000000073D50000-0x0000000073EC4000-memory.dmp

Filesize
1.5MB

Download