stealerium | d62b956652d3524b475135df44215e6e30b565402844e5661b3c45b0e5171879

Analysis

max time kernel
55s
max time network
25s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
29-04-2024 17:47

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

build.exe
Size

1.6MB
MD5

c031c6274f2ff888837bdfa10cc77866
SHA1

815bef169e1ace2c70222ea36da31db8a55cd54b
SHA256

3cf349379f1c4f6312bc23bf6e81901edee5a802d4c6886182d37068d3cad9f3
SHA512

c901805ab806e5ed4d0d34e08eec5584dcb3b8fbdca450dd1afdfd2d6017e981525f892d8a15a0d76383b768759ec12e939d31ab1f634dea9b2fc8cda1fb21b2
SSDEEP

49152:WZTq24GjdGSiqkqXfd+/9AqYanieKdcM:WcEjdGSiqkqXf0FLYW

Score

10^/10

stealerium collection spyware stealer

Malware Config

Extracted

Family

stealerium

https://discord.com/api/webhooks/1234515497085567078/h2EI3swr-LehHAaNsEV_G1yFQGECodU3N3JIhi_K2X-bNGcHgEtSYNTBMh7p6uv4Uen7

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:

build.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1687926120-3022217735-1146543763-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	build.exe
Key opened	\REGISTRY\USER\S-1-5-21-1687926120-3022217735-1146543763-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	build.exe
Key opened	\REGISTRY\USER\S-1-5-21-1687926120-3022217735-1146543763-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	build.exe

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

Web Service
T1102

Processes:

flow ioc

1 discord.com
2 discord.com
24 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

4 icanhazip.com

flow	ioc
1	discord.com
2	discord.com
24	discord.com

flow	ioc
4	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:

build.exe

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

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

build.exe

pid	process
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe
524	build.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

build.exemsiexec.exe

description pid process

Token: SeDebugPrivilege 524 build.exe
Token: SeSecurityPrivilege 4204 msiexec.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

build.exe

pid process

524 build.exe

description	pid	process
Token: SeDebugPrivilege	524	build.exe
Token: SeSecurityPrivilege	4204	msiexec.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

build.execmd.execmd.exe

description	pid	process	target process
PID 524 wrote to memory of 4160	524	build.exe	cmd.exe
PID 524 wrote to memory of 4160	524	build.exe	cmd.exe
PID 524 wrote to memory of 4160	524	build.exe	cmd.exe
PID 4160 wrote to memory of 2900	4160	cmd.exe	chcp.com
PID 4160 wrote to memory of 2900	4160	cmd.exe	chcp.com
PID 4160 wrote to memory of 2900	4160	cmd.exe	chcp.com
PID 4160 wrote to memory of 4716	4160	cmd.exe	netsh.exe
PID 4160 wrote to memory of 4716	4160	cmd.exe	netsh.exe
PID 4160 wrote to memory of 4716	4160	cmd.exe	netsh.exe
PID 4160 wrote to memory of 372	4160	cmd.exe	findstr.exe
PID 4160 wrote to memory of 372	4160	cmd.exe	findstr.exe
PID 4160 wrote to memory of 372	4160	cmd.exe	findstr.exe
PID 524 wrote to memory of 1644	524	build.exe	cmd.exe
PID 524 wrote to memory of 1644	524	build.exe	cmd.exe
PID 524 wrote to memory of 1644	524	build.exe	cmd.exe
PID 1644 wrote to memory of 3296	1644	cmd.exe	chcp.com
PID 1644 wrote to memory of 3296	1644	cmd.exe	chcp.com
PID 1644 wrote to memory of 3296	1644	cmd.exe	chcp.com
PID 1644 wrote to memory of 1440	1644	cmd.exe	netsh.exe
PID 1644 wrote to memory of 1440	1644	cmd.exe	netsh.exe
PID 1644 wrote to memory of 1440	1644	cmd.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

build.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1687926120-3022217735-1146543763-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	build.exe

outlook_win_path 1 IoCs

Processes:

build.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1687926120-3022217735-1146543763-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	build.exe

C:\Users\Admin\AppData\Local\Temp\build.exe
"C:\Users\Admin\AppData\Local\Temp\build.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:524

C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
2⤵
- Suspicious use of WriteProcessMemory
PID:4160

C:\Windows\SysWOW64\chcp.com
chcp 65001
3⤵
PID:2900

C:\Windows\SysWOW64\netsh.exe
netsh wlan show profile
3⤵
PID:4716

C:\Windows\SysWOW64\findstr.exe
findstr All
3⤵
PID:372

C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid
2⤵
- Suspicious use of WriteProcessMemory
PID:1644

C:\Windows\SysWOW64\chcp.com
chcp 65001
3⤵
PID:3296

C:\Windows\SysWOW64\netsh.exe
netsh wlan show networks mode=bssid
3⤵
PID:1440

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4204

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\05c346571b0f85e8f8a87e8dac30ab22\Admin@DFZPKZRM_en-US\Browsers\Firefox\Bookmarks.txt
Filesize
105B

MD5
2e9d094dda5cdc3ce6519f75943a4ff4

SHA1
5d989b4ac8b699781681fe75ed9ef98191a5096c

SHA256
c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

SHA512
d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

Download Submit
C:\Users\Admin\AppData\Local\05c346571b0f85e8f8a87e8dac30ab22\Admin@DFZPKZRM_en-US\Directories\OneDrive.txt
Filesize
25B

MD5
966247eb3ee749e21597d73c4176bd52

SHA1
1e9e63c2872cef8f015d4b888eb9f81b00a35c79

SHA256
8ddfc481b1b6ae30815ecce8a73755862f24b3bb7fdebdbf099e037d53eb082e

SHA512
bd30aec68c070e86e3dec787ed26dd3d6b7d33d83e43cb2d50f9e2cff779fee4c96afbbe170443bd62874073a844beb29a69b10c72c54d7d444a8d86cfd7b5aa

Download Submit
C:\Users\Admin\AppData\Local\05c346571b0f85e8f8a87e8dac30ab22\Admin@DFZPKZRM_en-US\Directories\Startup.txt
Filesize
24B

MD5
68c93da4981d591704cea7b71cebfb97

SHA1
fd0f8d97463cd33892cc828b4ad04e03fc014fa6

SHA256
889ed51f9c16a4b989bda57957d3e132b1a9c117ee84e208207f2fa208a59483

SHA512
63455c726b55f2d4de87147a75ff04f2daa35278183969ccf185d23707840dd84363bec20d4e8c56252196ce555001ca0e61b3f4887d27577081fdef9e946402

Download Submit
C:\Users\Admin\AppData\Local\05c346571b0f85e8f8a87e8dac30ab22\Admin@DFZPKZRM_en-US\Directories\Videos.txt
Filesize
23B

MD5
1fddbf1169b6c75898b86e7e24bc7c1f

SHA1
d2091060cb5191ff70eb99c0088c182e80c20f8c

SHA256
a67aa329b7d878de61671e18cd2f4b011d11cbac67ea779818c6dafad2d70733

SHA512
20bfeafde7fec1753fef59de467bd4a3dd7fe627e8c44e95fe62b065a5768c4508e886ec5d898e911a28cf6365f455c9ab1ebe2386d17a76f53037f99061fd4d

Download Submit
C:\Users\Admin\AppData\Local\05c346571b0f85e8f8a87e8dac30ab22\Admin@DFZPKZRM_en-US\System\Apps.txt
Filesize
4KB

MD5
2640460603b8200f9cb24cd01275174f

SHA1
cd39498cba3d4f4742039a1091731f74db2fa9c0

SHA256
94f5ec486f4b2387c004fac0cfc5012c120cb7190c370ed09639056c10c5afcb

SHA512
e65173b4cc98aaaf92cc0e2b5446e1854a45253ab0a8e133a1c85a0cfc95beaac6842af432d61accbf9a193f1f711f6dced6a26d699ff1ee21e27ffbc74d6c62

Download Submit
C:\Users\Admin\AppData\Local\05c346571b0f85e8f8a87e8dac30ab22\Admin@DFZPKZRM_en-US\System\Debug.txt
Filesize
1KB

MD5
64fd9ce6b9a15ea61b20b8e41cf51373

SHA1
6d1f272ae5cc5a0d972f0d2da329886dd38a8320

SHA256
547425f2a867faada45d99f74200d171dc782f234446eb55f7487f1260db4c06

SHA512
c5cffac3193c8d34970fa7c85916d2df8feab13da99f27ac699763be7d0fe4d4a3772ebfa350ee9d61c42fe7c0a860867f13067bd0504176c6621b0ce9a2c3af

Download Submit
C:\Users\Admin\AppData\Local\05c346571b0f85e8f8a87e8dac30ab22\Admin@DFZPKZRM_en-US\System\Process.txt
Filesize
4KB

MD5
4942ec00a5c6bf353b755a72e83ffa20

SHA1
f7ef031f3c55705d0d9ce1eafc42448a85113584

SHA256
a791833d84df69333d123b25ac6416a24b3bf4da0b28720491e535b2aaa35913

SHA512
5c5b399caef5faa861a06875383938a7f117a2fc5d0a592df82ee76ca89c07f42f98e7299ab47db5f9a949ec4005b97a994915f09e65e75b531fed9a52b3a63d

Download Submit
C:\Users\Admin\AppData\Local\05c346571b0f85e8f8a87e8dac30ab22\Admin@DFZPKZRM_en-US\System\ProductKey.txt
Filesize
29B

MD5
71eb5479298c7afc6d126fa04d2a9bde

SHA1
a9b3d5505cf9f84bb6c2be2acece53cb40075113

SHA256
f6cadfd4e4c25ff3b8cffe54a2af24a757a349abbf4e1142ec4c9789347fe8b3

SHA512
7c6687e21d31ec1d6d2eff04b07b465f875fd80df26677f1506b14158444cf55044eb6674880bd5bd44f04ff73023b26cb19b8837427a1d6655c96df52f140bd

Download Submit
C:\Users\Admin\AppData\Local\05c346571b0f85e8f8a87e8dac30ab22\msgid.dat
Filesize
19B

MD5
ca87e6a70aaa7e455b2802022dcafd72

SHA1
92d493f5112b8e81e8c2fd77b324d63184d6ef0e

SHA256
328e9350cca15b090acf17a79384e9d2d09e813546caad2db7b0a7da87bda303

SHA512
e1257c628729138a8f8ebd7a547d93123c39c38bee5e00a2e90e75d4362aff5b87df0ac2f371492fbf95d03836aaaee5549ae507c2fd1af5cb859f19f89f6b88

Download Submit
memory/524-10-0x00000000066D0000-0x00000000066DA000-memory.dmp

Filesize
40KB

Download
memory/524-7-0x0000000005750000-0x00000000057E2000-memory.dmp

Filesize
584KB

Download
memory/524-53-0x0000000006D60000-0x0000000006DF2000-memory.dmp

Filesize
584KB

Download
memory/524-60-0x00000000076D0000-0x0000000007BCE000-memory.dmp

Filesize
5.0MB

Download
memory/524-11-0x00000000066E0000-0x00000000066E8000-memory.dmp

Filesize
32KB

Download
memory/524-0-0x0000000000840000-0x00000000009D2000-memory.dmp

Filesize
1.6MB

Download
memory/524-163-0x00000000067E0000-0x000000000685A000-memory.dmp

Filesize
488KB

Download
memory/524-9-0x0000000005810000-0x0000000005818000-memory.dmp

Filesize
32KB

Download
memory/524-8-0x00000000057E0000-0x0000000005806000-memory.dmp

Filesize
152KB

Download
memory/524-12-0x0000000006700000-0x000000000671E000-memory.dmp

Filesize
120KB

Download
memory/524-3-0x0000000005200000-0x0000000005210000-memory.dmp

Filesize
64KB

Download
memory/524-2-0x0000000005210000-0x0000000005276000-memory.dmp

Filesize
408KB

Download
memory/524-232-0x0000000006A00000-0x0000000006AB2000-memory.dmp

Filesize
712KB

Download
memory/524-234-0x0000000006980000-0x00000000069A2000-memory.dmp

Filesize
136KB

Download
memory/524-235-0x0000000007DD0000-0x0000000008120000-memory.dmp

Filesize
3.3MB

Download
memory/524-237-0x0000000073430000-0x0000000073B1E000-memory.dmp

Filesize
6.9MB

Download
memory/524-1-0x0000000073430000-0x0000000073B1E000-memory.dmp

Filesize
6.9MB

Download
memory/524-248-0x00000000071B0000-0x00000000071BA000-memory.dmp

Filesize
40KB

Download
memory/524-249-0x0000000005200000-0x0000000005210000-memory.dmp

Filesize
64KB

Download