Malware Analysis Report

2024-08-06 12:40

Sample ID 240506-s1xsdabh72
Target Illegal_Services.rar
SHA256 29fe039e2f044b0834689387f7c39c3c1974cbd6a9943f07425c692cbb3049b9
Tags
stealerium stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

29fe039e2f044b0834689387f7c39c3c1974cbd6a9943f07425c692cbb3049b9

Threat Level: Known bad

The file Illegal_Services.rar was found to be: Known bad.

Malicious Activity Summary

stealerium stealer

Stealerium family

Stealerium

Checks computer location settings

Legitimate hosting services abused for malware hosting/C2

Enumerates physical storage devices

Unsigned PE

Delays execution with timeout.exe

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Kills process with taskkill

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix V13

Initial Access
TA0001
Execution
TA0002
Persistence
TA0003
Privilege Escalation
TA0004
Defense Evasion
TA0005
Credential Access
TA0006
Discovery
TA0007
System Information Discovery
T1082
Query Registry
T1012
Lateral Movement
TA0008
Collection
TA0009
Exfiltration
TA0010
Command and Control
TA0011
Web Service
T1102
Impact
TA0040
Resource Development
TA0042
Reconnaissance
TA0043

Analysis: static1

Detonation Overview

Reported

2024-05-06 15:36

Signatures

Stealerium family

stealerium

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-06 15:36

Reported

2024-05-06 15:39

Platform

win7-20240221-de

Max time kernel

54s

Max time network

16s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Illegal_Services.exe"

Signatures

Stealerium

stealer stealerium

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A discord.com N/A N/A
N/A discord.com N/A N/A

Enumerates physical storage devices

Delays execution with timeout.exe

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\timeout.exe N/A

Kills process with taskkill

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\taskkill.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Illegal_Services.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Illegal_Services.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\taskkill.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2300 wrote to memory of 2352 N/A C:\Users\Admin\AppData\Local\Temp\Illegal_Services.exe C:\Windows\SysWOW64\cmd.exe
PID 2300 wrote to memory of 2352 N/A C:\Users\Admin\AppData\Local\Temp\Illegal_Services.exe C:\Windows\SysWOW64\cmd.exe
PID 2300 wrote to memory of 2352 N/A C:\Users\Admin\AppData\Local\Temp\Illegal_Services.exe C:\Windows\SysWOW64\cmd.exe
PID 2300 wrote to memory of 2352 N/A C:\Users\Admin\AppData\Local\Temp\Illegal_Services.exe C:\Windows\SysWOW64\cmd.exe
PID 2352 wrote to memory of 2280 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 2352 wrote to memory of 2280 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 2352 wrote to memory of 2280 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 2352 wrote to memory of 2280 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 2352 wrote to memory of 2684 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 2352 wrote to memory of 2684 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 2352 wrote to memory of 2684 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 2352 wrote to memory of 2684 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 2352 wrote to memory of 2568 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 2352 wrote to memory of 2568 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 2352 wrote to memory of 2568 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 2352 wrote to memory of 2568 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe

Processes

C:\Users\Admin\AppData\Local\Temp\Illegal_Services.exe

"C:\Users\Admin\AppData\Local\Temp\Illegal_Services.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmp462C.tmp.bat

C:\Windows\SysWOW64\chcp.com

chcp 65001

C:\Windows\SysWOW64\taskkill.exe

TaskKill /F /IM 2300

C:\Windows\SysWOW64\timeout.exe

Timeout /T 2 /Nobreak

C:\Windows\system32\NOTEPAD.EXE

"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\Neues Textdokument.txt

Network

Country Destination Domain Proto
US 8.8.8.8:53 discord.com udp
US 162.159.135.232:443 discord.com tcp

Files

memory/2300-0-0x000000007499E000-0x000000007499F000-memory.dmp

memory/2300-1-0x0000000000FB0000-0x0000000001146000-memory.dmp

memory/2300-2-0x0000000074990000-0x000000007507E000-memory.dmp

memory/2300-5-0x0000000000F00000-0x0000000000F92000-memory.dmp

memory/2300-6-0x0000000000550000-0x0000000000576000-memory.dmp

memory/2300-7-0x0000000000680000-0x0000000000688000-memory.dmp

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

MD5 29f65ba8e88c063813cc50a4ea544e93
SHA1 05a7040d5c127e68c25d81cc51271ffb8bef3568
SHA256 1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184
SHA512 e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

C:\Users\Admin\AppData\Local\Temp\Tar45AF.tmp

MD5 435a9ac180383f9fa094131b173a2f7b
SHA1 76944ea657a9db94f9a4bef38f88c46ed4166983
SHA256 67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34
SHA512 1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

C:\Users\Admin\AppData\Local\Temp\tmp462C.tmp.bat

MD5 86b7c9ba3e08900ebbbc838d49c134d5
SHA1 cf966b8b5043d3a1f2524ca250f4a614a26b933f
SHA256 cd45f1d3335977f01a12a5927a0f0f8fcfb65de4c5cc3d96a8846faa05bd1aae
SHA512 ab68ae491015a45c79ac4edf056f933b58073fe8b3fb38e2b7667287e86f09b549c35a289fcb2fdd4848431db3ab0ce7a74ab7b53ccedbbd571eabad17586dab

memory/2300-49-0x0000000074990000-0x000000007507E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-06 15:36

Reported

2024-05-06 15:39

Platform

win10v2004-20240419-de

Max time kernel

129s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Illegal_Services.exe"

Signatures

Stealerium

stealer stealerium

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\Illegal_Services.exe N/A

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A discord.com N/A N/A
N/A discord.com N/A N/A

Enumerates physical storage devices

Delays execution with timeout.exe

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\timeout.exe N/A

Kills process with taskkill

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\taskkill.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Illegal_Services.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Illegal_Services.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\taskkill.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 212 wrote to memory of 4960 N/A C:\Users\Admin\AppData\Local\Temp\Illegal_Services.exe C:\Windows\SysWOW64\cmd.exe
PID 212 wrote to memory of 4960 N/A C:\Users\Admin\AppData\Local\Temp\Illegal_Services.exe C:\Windows\SysWOW64\cmd.exe
PID 212 wrote to memory of 4960 N/A C:\Users\Admin\AppData\Local\Temp\Illegal_Services.exe C:\Windows\SysWOW64\cmd.exe
PID 4960 wrote to memory of 2828 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 4960 wrote to memory of 2828 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 4960 wrote to memory of 2828 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 4960 wrote to memory of 2928 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 4960 wrote to memory of 2928 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 4960 wrote to memory of 2928 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 4960 wrote to memory of 1456 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 4960 wrote to memory of 1456 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 4960 wrote to memory of 1456 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe

Processes

C:\Users\Admin\AppData\Local\Temp\Illegal_Services.exe

"C:\Users\Admin\AppData\Local\Temp\Illegal_Services.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmp474A.tmp.bat

C:\Windows\SysWOW64\chcp.com

chcp 65001

C:\Windows\SysWOW64\taskkill.exe

TaskKill /F /IM 212

C:\Windows\SysWOW64\timeout.exe

Timeout /T 2 /Nobreak

Network

Country Destination Domain Proto
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 discord.com udp
US 162.159.128.233:443 discord.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 233.128.159.162.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 142.53.16.96.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp

Files

memory/212-0-0x0000000074FFE000-0x0000000074FFF000-memory.dmp

memory/212-1-0x00000000004B0000-0x0000000000646000-memory.dmp

memory/212-2-0x0000000004F90000-0x0000000004FF6000-memory.dmp

memory/212-3-0x0000000074FF0000-0x00000000757A0000-memory.dmp

memory/212-6-0x00000000054B0000-0x00000000054CC000-memory.dmp

memory/212-7-0x0000000005650000-0x00000000056E2000-memory.dmp

memory/212-8-0x00000000056E0000-0x0000000005706000-memory.dmp

memory/212-9-0x0000000005710000-0x0000000005718000-memory.dmp

memory/212-10-0x00000000065B0000-0x00000000065F2000-memory.dmp

memory/212-11-0x0000000006570000-0x000000000657A000-memory.dmp

memory/212-12-0x0000000006710000-0x0000000006814000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp474A.tmp.bat

MD5 afe80ec60e1cf0537508adffbf4e80d5
SHA1 7315fd721106992e4b7464ec566e4e1b811f9b02
SHA256 eb79e9b45c7629f3c84ed0c9ec977c461ea91c538d70f3fd1ba36241a5e6fa5a
SHA512 1be41b032ab264cb52b753beccf1fd2098786fc6d3dd4472c937ea6d560f2ddcf07a9ab3da3d0dae3da5f7604c1dadaac0ee44efb6c1a4a309dd33d1ac6ab4c5

memory/212-17-0x0000000074FF0000-0x00000000757A0000-memory.dmp