Malware Analysis Report

2024-08-06 12:42

Sample ID 240602-j4c3psfg5w
Target ccf5a47144d4d2e99d2cb7fa4d620c18422e1a85da05ed46f2f574cd671cc335
SHA256 ccf5a47144d4d2e99d2cb7fa4d620c18422e1a85da05ed46f2f574cd671cc335
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

ccf5a47144d4d2e99d2cb7fa4d620c18422e1a85da05ed46f2f574cd671cc335

Threat Level: Known bad

The file ccf5a47144d4d2e99d2cb7fa4d620c18422e1a85da05ed46f2f574cd671cc335 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

Kills process with taskkill

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

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

2024-06-02 08:13

Signatures

Stealerium family

stealerium

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-02 08:12

Reported

2024-06-02 08:15

Platform

win7-20240221-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ccf5a47144d4d2e99d2cb7fa4d620c18422e1a85da05ed46f2f574cd671cc335.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\ccf5a47144d4d2e99d2cb7fa4d620c18422e1a85da05ed46f2f574cd671cc335.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\ccf5a47144d4d2e99d2cb7fa4d620c18422e1a85da05ed46f2f574cd671cc335.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\taskkill.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2168 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\ccf5a47144d4d2e99d2cb7fa4d620c18422e1a85da05ed46f2f574cd671cc335.exe C:\Windows\SysWOW64\cmd.exe
PID 2168 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\ccf5a47144d4d2e99d2cb7fa4d620c18422e1a85da05ed46f2f574cd671cc335.exe C:\Windows\SysWOW64\cmd.exe
PID 2168 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\ccf5a47144d4d2e99d2cb7fa4d620c18422e1a85da05ed46f2f574cd671cc335.exe C:\Windows\SysWOW64\cmd.exe
PID 2168 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\ccf5a47144d4d2e99d2cb7fa4d620c18422e1a85da05ed46f2f574cd671cc335.exe C:\Windows\SysWOW64\cmd.exe
PID 2292 wrote to memory of 828 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 2292 wrote to memory of 828 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 2292 wrote to memory of 828 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 2292 wrote to memory of 828 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 2292 wrote to memory of 1272 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 2292 wrote to memory of 1272 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 2292 wrote to memory of 1272 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 2292 wrote to memory of 1272 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 2292 wrote to memory of 2468 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 2292 wrote to memory of 2468 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 2292 wrote to memory of 2468 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 2292 wrote to memory of 2468 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe

Processes

C:\Users\Admin\AppData\Local\Temp\ccf5a47144d4d2e99d2cb7fa4d620c18422e1a85da05ed46f2f574cd671cc335.exe

"C:\Users\Admin\AppData\Local\Temp\ccf5a47144d4d2e99d2cb7fa4d620c18422e1a85da05ed46f2f574cd671cc335.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmp4590.tmp.bat

C:\Windows\SysWOW64\chcp.com

chcp 65001

C:\Windows\SysWOW64\taskkill.exe

TaskKill /F /IM 2168

C:\Windows\SysWOW64\timeout.exe

Timeout /T 2 /Nobreak

Network

Country Destination Domain Proto
US 8.8.8.8:53 discord.com udp
US 162.159.128.233:443 discord.com tcp

Files

memory/2168-0-0x000000007420E000-0x000000007420F000-memory.dmp

memory/2168-1-0x00000000009B0000-0x0000000000B42000-memory.dmp

memory/2168-2-0x0000000074200000-0x00000000748EE000-memory.dmp

memory/2168-6-0x00000000052A0000-0x0000000005332000-memory.dmp

memory/2168-7-0x00000000008F0000-0x0000000000916000-memory.dmp

memory/2168-8-0x00000000004D0000-0x00000000004D8000-memory.dmp

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

MD5 49aebf8cbd62d92ac215b2923fb1b9f5
SHA1 1723be06719828dda65ad804298d0431f6aff976
SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512 bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

C:\Users\Admin\AppData\Local\Temp\Tar44B5.tmp

MD5 4ea6026cf93ec6338144661bf1202cd1
SHA1 a1dec9044f750ad887935a01430bf49322fbdcb7
SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA512 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

C:\Users\Admin\AppData\Local\Temp\tmp4590.tmp.bat

MD5 fbf155fd8388da190ff16e68cb569ea1
SHA1 8d2add8130d9130d300b42d3e84e5c53a6d180f3
SHA256 412429d108b9e9237cfd68fa1194a3e19e0c9eb4178c9ee437bc58c0f8ae9b07
SHA512 76fbd869e8a0684cc043375ff5c97445f033027311f0e97fb6a5908d4cb66899e04a47fc85123689428c0716d7723da397bae4a9873a5dfc5cadcf12ad6c6b25

memory/2168-50-0x0000000074200000-0x00000000748EE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-02 08:12

Reported

2024-06-02 08:15

Platform

win10v2004-20240226-en

Max time kernel

137s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ccf5a47144d4d2e99d2cb7fa4d620c18422e1a85da05ed46f2f574cd671cc335.exe"

Signatures

Stealerium

stealer stealerium

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\ccf5a47144d4d2e99d2cb7fa4d620c18422e1a85da05ed46f2f574cd671cc335.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\ccf5a47144d4d2e99d2cb7fa4d620c18422e1a85da05ed46f2f574cd671cc335.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\ccf5a47144d4d2e99d2cb7fa4d620c18422e1a85da05ed46f2f574cd671cc335.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\taskkill.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2380 wrote to memory of 1776 N/A C:\Users\Admin\AppData\Local\Temp\ccf5a47144d4d2e99d2cb7fa4d620c18422e1a85da05ed46f2f574cd671cc335.exe C:\Windows\SysWOW64\cmd.exe
PID 2380 wrote to memory of 1776 N/A C:\Users\Admin\AppData\Local\Temp\ccf5a47144d4d2e99d2cb7fa4d620c18422e1a85da05ed46f2f574cd671cc335.exe C:\Windows\SysWOW64\cmd.exe
PID 2380 wrote to memory of 1776 N/A C:\Users\Admin\AppData\Local\Temp\ccf5a47144d4d2e99d2cb7fa4d620c18422e1a85da05ed46f2f574cd671cc335.exe C:\Windows\SysWOW64\cmd.exe
PID 1776 wrote to memory of 4748 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 1776 wrote to memory of 4748 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 1776 wrote to memory of 4748 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 1776 wrote to memory of 4468 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 1776 wrote to memory of 4468 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 1776 wrote to memory of 4468 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 1776 wrote to memory of 1688 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 1776 wrote to memory of 1688 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 1776 wrote to memory of 1688 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe

Processes

C:\Users\Admin\AppData\Local\Temp\ccf5a47144d4d2e99d2cb7fa4d620c18422e1a85da05ed46f2f574cd671cc335.exe

"C:\Users\Admin\AppData\Local\Temp\ccf5a47144d4d2e99d2cb7fa4d620c18422e1a85da05ed46f2f574cd671cc335.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmp4F54.tmp.bat

C:\Windows\SysWOW64\chcp.com

chcp 65001

C:\Windows\SysWOW64\taskkill.exe

TaskKill /F /IM 2380

C:\Windows\SysWOW64\timeout.exe

Timeout /T 2 /Nobreak

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4160 --field-trial-handle=3084,i,4016110471176367543,14287608422419064331,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 18.24.18.2.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
GB 96.16.110.114:80 tcp
US 8.8.8.8:53 discord.com udp
US 162.159.137.232:443 discord.com tcp
US 8.8.8.8:53 232.137.159.162.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 13.107.253.64:443 tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 164.189.21.2.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 2.173.189.20.in-addr.arpa udp

Files

memory/2380-0-0x0000000074CBE000-0x0000000074CBF000-memory.dmp

memory/2380-1-0x00000000007A0000-0x0000000000932000-memory.dmp

memory/2380-2-0x0000000005320000-0x0000000005386000-memory.dmp

memory/2380-3-0x0000000074CB0000-0x0000000075460000-memory.dmp

memory/2380-7-0x0000000005B50000-0x0000000005BE2000-memory.dmp

memory/2380-8-0x0000000005BE0000-0x0000000005C06000-memory.dmp

memory/2380-9-0x0000000005C10000-0x0000000005C18000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp4F54.tmp.bat

MD5 fdf252f6b55aefd68e5deac55baa4cb2
SHA1 ee94e8696ea7c6516ce7503a73f63b7063bfdde0
SHA256 b05fa4c1269970c64684264cbe2d6cc1be7d35981da47ae6d2204996374bbe33
SHA512 fcee7f26a04074b95fc9148bcafbd247173743f38b01101ec6cb0705cafb1382986ac1f643d3c885f1738b5c498f858d6821b9691adbe07350e0bf226eea1cb8

memory/2380-14-0x0000000074CB0000-0x0000000075460000-memory.dmp