Malware Analysis Report

2024-08-06 12:40

Sample ID 240508-ma6ppshh97
Target 5e35f5434e9cdfd4a827bbe241fbf520_NEIKI
SHA256 ffa7f0b955e42bdcc07730ba6468a6605cd4614e9a1f2a0e8ff5c23b00a2d0ae
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

ffa7f0b955e42bdcc07730ba6468a6605cd4614e9a1f2a0e8ff5c23b00a2d0ae

Threat Level: Known bad

The file 5e35f5434e9cdfd4a827bbe241fbf520_NEIKI 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

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Delays execution with timeout.exe

Kills process with taskkill

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

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

2024-05-08 10:16

Signatures

Stealerium family

stealerium

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-08 10:16

Reported

2024-05-08 10:19

Platform

win7-20240221-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5e35f5434e9cdfd4a827bbe241fbf520_NEIKI.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\5e35f5434e9cdfd4a827bbe241fbf520_NEIKI.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\5e35f5434e9cdfd4a827bbe241fbf520_NEIKI.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\taskkill.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2100 wrote to memory of 1940 N/A C:\Users\Admin\AppData\Local\Temp\5e35f5434e9cdfd4a827bbe241fbf520_NEIKI.exe C:\Windows\SysWOW64\cmd.exe
PID 2100 wrote to memory of 1940 N/A C:\Users\Admin\AppData\Local\Temp\5e35f5434e9cdfd4a827bbe241fbf520_NEIKI.exe C:\Windows\SysWOW64\cmd.exe
PID 2100 wrote to memory of 1940 N/A C:\Users\Admin\AppData\Local\Temp\5e35f5434e9cdfd4a827bbe241fbf520_NEIKI.exe C:\Windows\SysWOW64\cmd.exe
PID 2100 wrote to memory of 1940 N/A C:\Users\Admin\AppData\Local\Temp\5e35f5434e9cdfd4a827bbe241fbf520_NEIKI.exe C:\Windows\SysWOW64\cmd.exe
PID 1940 wrote to memory of 2660 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 1940 wrote to memory of 2660 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 1940 wrote to memory of 2660 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 1940 wrote to memory of 2660 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 1940 wrote to memory of 2472 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 1940 wrote to memory of 2472 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 1940 wrote to memory of 2472 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 1940 wrote to memory of 2472 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 1940 wrote to memory of 348 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 1940 wrote to memory of 348 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 1940 wrote to memory of 348 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 1940 wrote to memory of 348 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe

Processes

C:\Users\Admin\AppData\Local\Temp\5e35f5434e9cdfd4a827bbe241fbf520_NEIKI.exe

"C:\Users\Admin\AppData\Local\Temp\5e35f5434e9cdfd4a827bbe241fbf520_NEIKI.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmp2FCF.tmp.bat

C:\Windows\SysWOW64\chcp.com

chcp 65001

C:\Windows\SysWOW64\taskkill.exe

TaskKill /F /IM 2100

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

Files

memory/2100-0-0x0000000074A2E000-0x0000000074A2F000-memory.dmp

memory/2100-1-0x00000000008D0000-0x0000000000A62000-memory.dmp

memory/2100-2-0x0000000074A20000-0x000000007510E000-memory.dmp

memory/2100-5-0x0000000004AA0000-0x0000000004B32000-memory.dmp

memory/2100-6-0x0000000000570000-0x0000000000596000-memory.dmp

memory/2100-7-0x0000000000490000-0x0000000000498000-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\Tar2F51.tmp

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

C:\Users\Admin\AppData\Local\Temp\tmp2FCF.tmp.bat

MD5 90b15efbbb7b73f426a0a592229f7a14
SHA1 f8c026eb23491dfdfafef83264ad0499376224cd
SHA256 ea870e0dbecd4485a0d3d5701c11aafd55c41b5cdd9852d3433d1df0bab9362f
SHA512 aefc59290201d99abc1d0ae88da201f23751e5b1f77243440c75a9e483b9327ede1a6142f27ede498b4e8b17bbc5f08ea90719ef21c503fbbf545b80ddd0ab61

memory/2100-49-0x0000000074A20000-0x000000007510E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-08 10:16

Reported

2024-05-08 10:19

Platform

win10v2004-20240419-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5e35f5434e9cdfd4a827bbe241fbf520_NEIKI.exe"

Signatures

Stealerium

stealer stealerium

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-877519540-908060166-1852957295-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\5e35f5434e9cdfd4a827bbe241fbf520_NEIKI.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\5e35f5434e9cdfd4a827bbe241fbf520_NEIKI.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\5e35f5434e9cdfd4a827bbe241fbf520_NEIKI.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\taskkill.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4632 wrote to memory of 1364 N/A C:\Users\Admin\AppData\Local\Temp\5e35f5434e9cdfd4a827bbe241fbf520_NEIKI.exe C:\Windows\SysWOW64\cmd.exe
PID 4632 wrote to memory of 1364 N/A C:\Users\Admin\AppData\Local\Temp\5e35f5434e9cdfd4a827bbe241fbf520_NEIKI.exe C:\Windows\SysWOW64\cmd.exe
PID 4632 wrote to memory of 1364 N/A C:\Users\Admin\AppData\Local\Temp\5e35f5434e9cdfd4a827bbe241fbf520_NEIKI.exe C:\Windows\SysWOW64\cmd.exe
PID 1364 wrote to memory of 1940 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 1364 wrote to memory of 1940 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 1364 wrote to memory of 1940 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 1364 wrote to memory of 3124 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 1364 wrote to memory of 3124 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 1364 wrote to memory of 3124 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 1364 wrote to memory of 4732 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 1364 wrote to memory of 4732 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 1364 wrote to memory of 4732 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe

Processes

C:\Users\Admin\AppData\Local\Temp\5e35f5434e9cdfd4a827bbe241fbf520_NEIKI.exe

"C:\Users\Admin\AppData\Local\Temp\5e35f5434e9cdfd4a827bbe241fbf520_NEIKI.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmp5479.tmp.bat

C:\Windows\SysWOW64\chcp.com

chcp 65001

C:\Windows\SysWOW64\taskkill.exe

TaskKill /F /IM 4632

C:\Windows\SysWOW64\timeout.exe

Timeout /T 2 /Nobreak

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
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
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 discord.com udp
US 162.159.128.233:443 discord.com tcp
US 8.8.8.8:53 233.128.159.162.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 48.251.17.2.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.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 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 16.173.189.20.in-addr.arpa udp

Files

memory/4632-0-0x000000007464E000-0x000000007464F000-memory.dmp

memory/4632-1-0x00000000008D0000-0x0000000000A62000-memory.dmp

memory/4632-2-0x00000000052F0000-0x0000000005356000-memory.dmp

memory/4632-3-0x0000000074640000-0x0000000074DF0000-memory.dmp

memory/4632-6-0x0000000005840000-0x00000000058D2000-memory.dmp

memory/4632-8-0x0000000005900000-0x0000000005908000-memory.dmp

memory/4632-7-0x00000000058D0000-0x00000000058F6000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp5479.tmp.bat

MD5 b9ad840a10adea46f66484e1ca154859
SHA1 8ebac629da932e24db6cfd75d02a2e6bc1c9e260
SHA256 84e30e00bfefd06d3798488bb13199f182e9ca68215e1b38607e79ecb6789fe4
SHA512 79d7a490a4ae0147091744eda2dbdc009d05889668d4f600207a0f3a5380577d8b6ce28859eb6f069e43b55e7178d2aa3eb9a24e7bba50b85acf21096dfce108

memory/4632-13-0x0000000074640000-0x0000000074DF0000-memory.dmp