stealerium | 27fc27dc8fd2f14c597932236924b9bd221cbdf62e751b06654566df17e20e80

Analysis

max time kernel
29s
max time network
21s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
08-05-2024 15:30

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General

Target

nllauncher.exe
Size

1.6MB
MD5

8d19556ec36067d8cd6aca0181a60d6f
SHA1

d6b7827a278bde0072c6502137f3b48cd3c6fdd8
SHA256

27fc27dc8fd2f14c597932236924b9bd221cbdf62e751b06654566df17e20e80
SHA512

283ef56c211e43a850a7e08ea30da18f1aa5cec00636c48780d52cd1d350fe174b0ca9f3d6d9a92db72fe87b2822073703884aab999dc04821fbdf7c71369eea
SSDEEP

49152:EcTq24GjdGSiqkqXfd+/9AqYanieKdY9:E9EjdGSiqkqXf0FLYW

Score

10^/10

stealerium collection spyware stealer

Malware Config

Extracted

Family

stealerium

https://discord.com/api/webhooks/1085818065360535573/7X1FOgIeWfvo7Wm1i-5gmDKJfqx3bk315y0D-XXNtRIcxGsl95D_Vbwjx7jAmP_WpkUA

Signatures

Stealerium
An open source info stealer written in C# first seen in May 2022.
stealer stealerium
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

nllauncher.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	nllauncher.exe
Key opened	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	nllauncher.exe
Key opened	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	nllauncher.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs

Web Service
T1102

Processes:

flow ioc

15 discord.com
16 discord.com
29 discord.com
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

18 icanhazip.com

flow	ioc
15	discord.com
16	discord.com
29	discord.com

flow	ioc
18	icanhazip.com

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

nllauncher.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	nllauncher.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	nllauncher.exe

Suspicious behavior: EnumeratesProcesses 36 IoCs

Processes:

nllauncher.exe

pid	process
5064	nllauncher.exe
5064	nllauncher.exe
5064	nllauncher.exe
5064	nllauncher.exe
5064	nllauncher.exe
5064	nllauncher.exe
5064	nllauncher.exe
5064	nllauncher.exe
5064	nllauncher.exe
5064	nllauncher.exe
5064	nllauncher.exe
5064	nllauncher.exe
5064	nllauncher.exe
5064	nllauncher.exe
5064	nllauncher.exe
5064	nllauncher.exe
5064	nllauncher.exe
5064	nllauncher.exe
5064	nllauncher.exe
5064	nllauncher.exe
5064	nllauncher.exe
5064	nllauncher.exe
5064	nllauncher.exe
5064	nllauncher.exe
5064	nllauncher.exe
5064	nllauncher.exe
5064	nllauncher.exe
5064	nllauncher.exe
5064	nllauncher.exe
5064	nllauncher.exe
5064	nllauncher.exe
5064	nllauncher.exe
5064	nllauncher.exe
5064	nllauncher.exe
5064	nllauncher.exe
5064	nllauncher.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

nllauncher.exemsiexec.exe

description pid process

Token: SeDebugPrivilege 5064 nllauncher.exe
Token: SeSecurityPrivilege 4672 msiexec.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

nllauncher.exe

pid process

5064 nllauncher.exe

description	pid	process
Token: SeDebugPrivilege	5064	nllauncher.exe
Token: SeSecurityPrivilege	4672	msiexec.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

nllauncher.execmd.execmd.exe

description	pid	process	target process
PID 5064 wrote to memory of 3076	5064	nllauncher.exe	cmd.exe
PID 5064 wrote to memory of 3076	5064	nllauncher.exe	cmd.exe
PID 5064 wrote to memory of 3076	5064	nllauncher.exe	cmd.exe
PID 3076 wrote to memory of 3172	3076	cmd.exe	chcp.com
PID 3076 wrote to memory of 3172	3076	cmd.exe	chcp.com
PID 3076 wrote to memory of 3172	3076	cmd.exe	chcp.com
PID 3076 wrote to memory of 1868	3076	cmd.exe	netsh.exe
PID 3076 wrote to memory of 1868	3076	cmd.exe	netsh.exe
PID 3076 wrote to memory of 1868	3076	cmd.exe	netsh.exe
PID 3076 wrote to memory of 4688	3076	cmd.exe	findstr.exe
PID 3076 wrote to memory of 4688	3076	cmd.exe	findstr.exe
PID 3076 wrote to memory of 4688	3076	cmd.exe	findstr.exe
PID 5064 wrote to memory of 2172	5064	nllauncher.exe	cmd.exe
PID 5064 wrote to memory of 2172	5064	nllauncher.exe	cmd.exe
PID 5064 wrote to memory of 2172	5064	nllauncher.exe	cmd.exe
PID 2172 wrote to memory of 952	2172	cmd.exe	chcp.com
PID 2172 wrote to memory of 952	2172	cmd.exe	chcp.com
PID 2172 wrote to memory of 952	2172	cmd.exe	chcp.com
PID 2172 wrote to memory of 4580	2172	cmd.exe	netsh.exe
PID 2172 wrote to memory of 4580	2172	cmd.exe	netsh.exe
PID 2172 wrote to memory of 4580	2172	cmd.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

nllauncher.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	nllauncher.exe

outlook_win_path 1 IoCs

Processes:

nllauncher.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	nllauncher.exe

C:\Users\Admin\AppData\Local\Temp\nllauncher.exe
"C:\Users\Admin\AppData\Local\Temp\nllauncher.exe"
1⤵
- Accesses Microsoft Outlook profiles
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:5064

C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
2⤵
- Suspicious use of WriteProcessMemory
PID:3076

C:\Windows\SysWOW64\chcp.com
chcp 65001
3⤵
PID:3172

C:\Windows\SysWOW64\netsh.exe
netsh wlan show profile
3⤵
PID:1868

C:\Windows\SysWOW64\findstr.exe
findstr All
3⤵
PID:4688

C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid
2⤵
- Suspicious use of WriteProcessMemory
PID:2172

C:\Windows\SysWOW64\chcp.com
chcp 65001
3⤵
PID:952

C:\Windows\SysWOW64\netsh.exe
netsh wlan show networks mode=bssid
3⤵
PID:4580

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4672

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Exfiltration

Command and Control

Web Service

T1102

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\19af225d39fa0532b181cee94bec6d21\Admin@SNFVGQLU_en-US\Browsers\Firefox\Bookmarks.txt
Filesize
105B

MD5
2e9d094dda5cdc3ce6519f75943a4ff4

SHA1
5d989b4ac8b699781681fe75ed9ef98191a5096c

SHA256
c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

SHA512
d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

Download Submit
C:\Users\Admin\AppData\Local\19af225d39fa0532b181cee94bec6d21\Admin@SNFVGQLU_en-US\Directories\OneDrive.txt
Filesize
25B

MD5
966247eb3ee749e21597d73c4176bd52

SHA1
1e9e63c2872cef8f015d4b888eb9f81b00a35c79

SHA256
8ddfc481b1b6ae30815ecce8a73755862f24b3bb7fdebdbf099e037d53eb082e

SHA512
bd30aec68c070e86e3dec787ed26dd3d6b7d33d83e43cb2d50f9e2cff779fee4c96afbbe170443bd62874073a844beb29a69b10c72c54d7d444a8d86cfd7b5aa

Download Submit
C:\Users\Admin\AppData\Local\19af225d39fa0532b181cee94bec6d21\Admin@SNFVGQLU_en-US\Directories\Startup.txt
Filesize
24B

MD5
68c93da4981d591704cea7b71cebfb97

SHA1
fd0f8d97463cd33892cc828b4ad04e03fc014fa6

SHA256
889ed51f9c16a4b989bda57957d3e132b1a9c117ee84e208207f2fa208a59483

SHA512
63455c726b55f2d4de87147a75ff04f2daa35278183969ccf185d23707840dd84363bec20d4e8c56252196ce555001ca0e61b3f4887d27577081fdef9e946402

Download Submit
C:\Users\Admin\AppData\Local\19af225d39fa0532b181cee94bec6d21\Admin@SNFVGQLU_en-US\Directories\Videos.txt
Filesize
23B

MD5
1fddbf1169b6c75898b86e7e24bc7c1f

SHA1
d2091060cb5191ff70eb99c0088c182e80c20f8c

SHA256
a67aa329b7d878de61671e18cd2f4b011d11cbac67ea779818c6dafad2d70733

SHA512
20bfeafde7fec1753fef59de467bd4a3dd7fe627e8c44e95fe62b065a5768c4508e886ec5d898e911a28cf6365f455c9ab1ebe2386d17a76f53037f99061fd4d

Download Submit
C:\Users\Admin\AppData\Local\19af225d39fa0532b181cee94bec6d21\Admin@SNFVGQLU_en-US\System\Apps.txt
Filesize
6KB

MD5
22b11991e8a166547933075a1b676a42

SHA1
2e6c90f8502020916a48ee85701eb2aa12e8e868

SHA256
4bdb7fd6f906386195990c27bbf0ff4b1b9d08d14f08772596e77da4adc72436

SHA512
6020447b3d8196cd1cbea1b70592da486d4e487dcaf36604568add31a18abf8355ce8b0ef2d7385da9fb81714fb36de1b48ccf1cc5b49b2abeca33c1881cd773

Download Submit
C:\Users\Admin\AppData\Local\19af225d39fa0532b181cee94bec6d21\Admin@SNFVGQLU_en-US\System\Debug.txt
Filesize
1KB

MD5
9b1dee9ae97bf804036f2c01807ad697

SHA1
28dc2547f8047b973965b4da9cf1612f82238086

SHA256
41e21c30933768a3e95afbd81f9524fe025a91e33418913f32b4861a66b9de9f

SHA512
29b794b26226d4731cd1e326561e17a81d6b987cebe0e2d06946d598c0d1a8b52334603994e9203f5bfbe5e62032db06adaf6c97d43bf9a83a779a91a7df11a2

Download Submit
C:\Users\Admin\AppData\Local\19af225d39fa0532b181cee94bec6d21\Admin@SNFVGQLU_en-US\System\Process.txt
Filesize
4KB

MD5
a0904677dae6116425bf256c8b469862

SHA1
4fd17a37896740cdf85059ace96fa7d7c5aab48d

SHA256
47cf2ea068652ee738dc4328cbc7f5c21818e9c90f5096baaf38db234704f9d6

SHA512
58f2cef645c5b80aa1097d17ebcd04b35f0bd24c83b863b0c4d9f831231fdc061ed7ffae7d656fbd698c9411bb31827a3ba92b0f4bb672af8fe4215270f7ade8

Download Submit
C:\Users\Admin\AppData\Local\19af225d39fa0532b181cee94bec6d21\Admin@SNFVGQLU_en-US\System\ProductKey.txt
Filesize
29B

MD5
71eb5479298c7afc6d126fa04d2a9bde

SHA1
a9b3d5505cf9f84bb6c2be2acece53cb40075113

SHA256
f6cadfd4e4c25ff3b8cffe54a2af24a757a349abbf4e1142ec4c9789347fe8b3

SHA512
7c6687e21d31ec1d6d2eff04b07b465f875fd80df26677f1506b14158444cf55044eb6674880bd5bd44f04ff73023b26cb19b8837427a1d6655c96df52f140bd

Download Submit
C:\Users\Admin\AppData\Local\19af225d39fa0532b181cee94bec6d21\msgid.dat
Filesize
19B

MD5
be6ea22770f40565375018b631a5c2d3

SHA1
3a9a562457194280df03bb64761b8f00e6c6059e

SHA256
a5888b2af96ce9fc714c4160723550619ab89a52292cf097bf31e36684549b66

SHA512
38889351ba814a37d98db91a5c0447974edb030d69e16639ee4c8fdf89a25f4d474fa0f7068483c02839cc951ed18373e17c08639e7a27d4c8e0933ee8f1a56f

Download Submit
memory/5064-10-0x0000000006820000-0x000000000682A000-memory.dmp

Filesize
40KB

Download
memory/5064-7-0x0000000005840000-0x00000000058D2000-memory.dmp

Filesize
584KB

Download
memory/5064-62-0x0000000007220000-0x00000000072B2000-memory.dmp

Filesize
584KB

Download
memory/5064-74-0x0000000007870000-0x0000000007E14000-memory.dmp

Filesize
5.6MB

Download
memory/5064-11-0x0000000006830000-0x0000000006838000-memory.dmp

Filesize
32KB

Download
memory/5064-0-0x000000007415E000-0x000000007415F000-memory.dmp

Filesize
4KB

Download
memory/5064-198-0x00000000069F0000-0x0000000006A6A000-memory.dmp

Filesize
488KB

Download
memory/5064-9-0x0000000005900000-0x0000000005908000-memory.dmp

Filesize
32KB

Download
memory/5064-8-0x00000000058D0000-0x00000000058F6000-memory.dmp

Filesize
152KB

Download
memory/5064-12-0x0000000006850000-0x000000000686E000-memory.dmp

Filesize
120KB

Download
memory/5064-3-0x0000000074150000-0x0000000074900000-memory.dmp

Filesize
7.7MB

Download
memory/5064-2-0x0000000005320000-0x0000000005386000-memory.dmp

Filesize
408KB

Download
memory/5064-271-0x0000000006C20000-0x0000000006CD2000-memory.dmp

Filesize
712KB

Download
memory/5064-273-0x0000000002C40000-0x0000000002C62000-memory.dmp

Filesize
136KB

Download
memory/5064-274-0x00000000092E0000-0x0000000009634000-memory.dmp

Filesize
3.3MB

Download
memory/5064-1-0x00000000008C0000-0x0000000000A54000-memory.dmp

Filesize
1.6MB

Download
memory/5064-286-0x0000000006BC0000-0x0000000006BCA000-memory.dmp

Filesize
40KB

Download
memory/5064-287-0x000000007415E000-0x000000007415F000-memory.dmp

Filesize
4KB

Download
memory/5064-288-0x0000000074150000-0x0000000074900000-memory.dmp

Filesize
7.7MB

Download