Malware Analysis Report

2024-08-06 12:43

Sample ID 240602-lavrrshf92
Target c9ff2801dded32de57dcfa9922c06fb72591040f1ed64ed228e5926f147544c9
SHA256 c9ff2801dded32de57dcfa9922c06fb72591040f1ed64ed228e5926f147544c9
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

c9ff2801dded32de57dcfa9922c06fb72591040f1ed64ed228e5926f147544c9

Threat Level: Known bad

The file c9ff2801dded32de57dcfa9922c06fb72591040f1ed64ed228e5926f147544c9 was found to be: Known bad.

Malicious Activity Summary

stealerium stealer

Stealerium

Stealerium family

Checks computer location settings

Legitimate hosting services abused for malware hosting/C2

Unsigned PE

Enumerates physical storage devices

Delays execution with timeout.exe

Kills process with taskkill

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

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 09:20

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 09:20

Reported

2024-06-02 09:22

Platform

win7-20231129-en

Max time kernel

117s

Max time network

134s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c9ff2801dded32de57dcfa9922c06fb72591040f1ed64ed228e5926f147544c9.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\c9ff2801dded32de57dcfa9922c06fb72591040f1ed64ed228e5926f147544c9.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\c9ff2801dded32de57dcfa9922c06fb72591040f1ed64ed228e5926f147544c9.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\taskkill.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2888 wrote to memory of 2924 N/A C:\Users\Admin\AppData\Local\Temp\c9ff2801dded32de57dcfa9922c06fb72591040f1ed64ed228e5926f147544c9.exe C:\Windows\SysWOW64\cmd.exe
PID 2888 wrote to memory of 2924 N/A C:\Users\Admin\AppData\Local\Temp\c9ff2801dded32de57dcfa9922c06fb72591040f1ed64ed228e5926f147544c9.exe C:\Windows\SysWOW64\cmd.exe
PID 2888 wrote to memory of 2924 N/A C:\Users\Admin\AppData\Local\Temp\c9ff2801dded32de57dcfa9922c06fb72591040f1ed64ed228e5926f147544c9.exe C:\Windows\SysWOW64\cmd.exe
PID 2888 wrote to memory of 2924 N/A C:\Users\Admin\AppData\Local\Temp\c9ff2801dded32de57dcfa9922c06fb72591040f1ed64ed228e5926f147544c9.exe C:\Windows\SysWOW64\cmd.exe
PID 2924 wrote to memory of 2072 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 2924 wrote to memory of 2072 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 2924 wrote to memory of 2072 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 2924 wrote to memory of 2072 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 2924 wrote to memory of 2936 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 2924 wrote to memory of 2936 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 2924 wrote to memory of 2936 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 2924 wrote to memory of 2936 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 2924 wrote to memory of 2176 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 2924 wrote to memory of 2176 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 2924 wrote to memory of 2176 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 2924 wrote to memory of 2176 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe

Processes

C:\Users\Admin\AppData\Local\Temp\c9ff2801dded32de57dcfa9922c06fb72591040f1ed64ed228e5926f147544c9.exe

"C:\Users\Admin\AppData\Local\Temp\c9ff2801dded32de57dcfa9922c06fb72591040f1ed64ed228e5926f147544c9.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmp409F.tmp.bat

C:\Windows\SysWOW64\chcp.com

chcp 65001

C:\Windows\SysWOW64\taskkill.exe

TaskKill /F /IM 2888

C:\Windows\SysWOW64\timeout.exe

Timeout /T 2 /Nobreak

Network

Country Destination Domain Proto
US 8.8.8.8:53 discord.com udp
US 162.159.137.232:443 discord.com tcp
US 8.8.8.8:53 www.microsoft.com udp

Files

memory/2888-0-0x0000000074B2E000-0x0000000074B2F000-memory.dmp

memory/2888-1-0x0000000000F70000-0x0000000001102000-memory.dmp

memory/2888-2-0x0000000074B20000-0x000000007520E000-memory.dmp

memory/2888-6-0x00000000057C0000-0x0000000005852000-memory.dmp

memory/2888-7-0x0000000000990000-0x00000000009B6000-memory.dmp

memory/2888-8-0x00000000004F0000-0x00000000004F8000-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\Tar4031.tmp

MD5 4ea6026cf93ec6338144661bf1202cd1
SHA1 a1dec9044f750ad887935a01430bf49322fbdcb7
SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA512 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

C:\Users\Admin\AppData\Local\Temp\tmp409F.tmp.bat

MD5 0c668c99dc836ba5a5d2a707e45d7fb8
SHA1 e7cf2d2559c9e4272db243b57bbed78b02406248
SHA256 b1ec493a741c010a4e5a3ddd5bf1f8d35f1a903ef5c342a740e750e507dcc82d
SHA512 6ef7751d81500cdca7eeaec75fe047c76ab0778b56e689c04ad6938024dede82607b743b85aa7460856ee3d25b1f181a63b0414de0336968fe6315e7f0e1169a

memory/2888-49-0x0000000074B20000-0x000000007520E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-02 09:20

Reported

2024-06-02 09:22

Platform

win10v2004-20240426-en

Max time kernel

149s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c9ff2801dded32de57dcfa9922c06fb72591040f1ed64ed228e5926f147544c9.exe"

Signatures

Stealerium

stealer stealerium

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\c9ff2801dded32de57dcfa9922c06fb72591040f1ed64ed228e5926f147544c9.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\c9ff2801dded32de57dcfa9922c06fb72591040f1ed64ed228e5926f147544c9.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\c9ff2801dded32de57dcfa9922c06fb72591040f1ed64ed228e5926f147544c9.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\taskkill.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2024 wrote to memory of 1224 N/A C:\Users\Admin\AppData\Local\Temp\c9ff2801dded32de57dcfa9922c06fb72591040f1ed64ed228e5926f147544c9.exe C:\Windows\SysWOW64\cmd.exe
PID 2024 wrote to memory of 1224 N/A C:\Users\Admin\AppData\Local\Temp\c9ff2801dded32de57dcfa9922c06fb72591040f1ed64ed228e5926f147544c9.exe C:\Windows\SysWOW64\cmd.exe
PID 2024 wrote to memory of 1224 N/A C:\Users\Admin\AppData\Local\Temp\c9ff2801dded32de57dcfa9922c06fb72591040f1ed64ed228e5926f147544c9.exe C:\Windows\SysWOW64\cmd.exe
PID 1224 wrote to memory of 4976 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 1224 wrote to memory of 4976 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 1224 wrote to memory of 4976 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 1224 wrote to memory of 2196 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 1224 wrote to memory of 2196 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 1224 wrote to memory of 2196 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 1224 wrote to memory of 4628 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 1224 wrote to memory of 4628 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 1224 wrote to memory of 4628 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe

Processes

C:\Users\Admin\AppData\Local\Temp\c9ff2801dded32de57dcfa9922c06fb72591040f1ed64ed228e5926f147544c9.exe

"C:\Users\Admin\AppData\Local\Temp\c9ff2801dded32de57dcfa9922c06fb72591040f1ed64ed228e5926f147544c9.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmp5A36.tmp.bat

C:\Windows\SysWOW64\chcp.com

chcp 65001

C:\Windows\SysWOW64\taskkill.exe

TaskKill /F /IM 2024

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 8.8.8.8:53 144.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 discord.com udp
US 162.159.136.232:443 discord.com tcp
US 8.8.8.8:53 232.136.159.162.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 105.246.116.51.in-addr.arpa udp

Files

memory/2024-0-0x0000000074EEE000-0x0000000074EEF000-memory.dmp

memory/2024-1-0x0000000000910000-0x0000000000AA2000-memory.dmp

memory/2024-2-0x0000000005440000-0x00000000054A6000-memory.dmp

memory/2024-3-0x0000000074EE0000-0x0000000075690000-memory.dmp

memory/2024-7-0x00000000059C0000-0x0000000005A52000-memory.dmp

memory/2024-8-0x0000000005A50000-0x0000000005A76000-memory.dmp

memory/2024-9-0x0000000005A80000-0x0000000005A88000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp5A36.tmp.bat

MD5 3e068589a54eaac9c7afdd51576bcb3b
SHA1 be661693264688c97a8fae0d1c2ca8430c74fbf5
SHA256 3ade45001ff8ae1524f8fb6e54b8d71a39ab8111b99d9f00d4c106af87c283ea
SHA512 948b08b4d11803e250c61be197deb5607dd3a56d57ef3337776a8b1a8df2ae612a7563ffd1cc7b820e7ac21913d57f0eaa8d013a6edbe591e0fafca40fbf4b9e

memory/2024-14-0x0000000074EE0000-0x0000000075690000-memory.dmp