Malware Analysis Report

2024-08-06 16:35

Sample ID 231026-zxldhahh22
Target setup.exe
SHA256 55e5131f01e0b4db477326c27139ab59c61f33cceb5de503e874197d23d37ad0
Tags
evasion
score
8/10

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 Overview

score
8/10

SHA256

55e5131f01e0b4db477326c27139ab59c61f33cceb5de503e874197d23d37ad0

Threat Level: Likely malicious

The file setup.exe was found to be: Likely malicious.

Malicious Activity Summary

evasion

Modifies Windows Firewall

Blocklisted process makes network request

Checks computer location settings

Unexpected DNS network traffic destination

Unsigned PE

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK Matrix V13

Initial Access
TA0001
Execution
TA0002
Persistence
TA0003
Create or Modify System Process
T1543
Windows Service
T1543.003
Privilege Escalation
TA0004
Create or Modify System Process
T1543
Windows Service
T1543.003
Defense Evasion
TA0005
Credential Access
TA0006
Discovery
TA0007
Query Registry
T1012
System Information Discovery
T1082
Lateral Movement
TA0008
Collection
TA0009
Exfiltration
TA0010
Command and Control
TA0011
Impact
TA0040
Resource Development
TA0042
Reconnaissance
TA0043

Analysis: static1

Detonation Overview

Reported

2023-10-26 21:05

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-10-26 21:05

Reported

2023-10-26 21:07

Platform

win10v2004-20231023-en

Max time kernel

51s

Max time network

55s

Command Line

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

Signatures

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Modifies Windows Firewall

evasion
Description Indicator Process Target
N/A N/A C:\Windows\system32\netsh.exe N/A
N/A N/A C:\Windows\system32\netsh.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\setup.exe N/A
Key value queried \REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\setup.exe N/A

Unexpected DNS network traffic destination

Description Indicator Process Target
Destination IP 205.251.196.135 N/A N/A
Destination IP 205.251.196.135 N/A N/A
Destination IP 205.251.196.135 N/A N/A
Destination IP 205.251.196.135 N/A N/A
Destination IP 205.251.196.135 N/A N/A
Destination IP 205.251.196.135 N/A N/A

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeSystemtimePrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeUndockPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeManageVolumePrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: 33 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: 34 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: 35 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: 36 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 632 wrote to memory of 496 N/A C:\Users\Admin\AppData\Local\Temp\setup.exe C:\Users\Admin\AppData\Local\Temp\setup.exe
PID 632 wrote to memory of 496 N/A C:\Users\Admin\AppData\Local\Temp\setup.exe C:\Users\Admin\AppData\Local\Temp\setup.exe
PID 496 wrote to memory of 1724 N/A C:\Users\Admin\AppData\Local\Temp\setup.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 496 wrote to memory of 1724 N/A C:\Users\Admin\AppData\Local\Temp\setup.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1724 wrote to memory of 3800 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe C:\Windows\system32\netsh.exe
PID 1724 wrote to memory of 3800 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe C:\Windows\system32\netsh.exe
PID 1724 wrote to memory of 2820 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe C:\Windows\system32\netsh.exe
PID 1724 wrote to memory of 2820 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe C:\Windows\system32\netsh.exe
PID 632 wrote to memory of 2032 N/A C:\Users\Admin\AppData\Local\Temp\setup.exe C:\Windows\System32\cmd.exe
PID 632 wrote to memory of 2032 N/A C:\Users\Admin\AppData\Local\Temp\setup.exe C:\Windows\System32\cmd.exe

Processes

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

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

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

"C:\Users\Admin\AppData\Local\Temp\setup.exe" -sfxwaitall:1 "powershell" -ExecutionPolicy ByPass -command ". 'C:\Users\Admin\AppData\Local\Temp\Adobe Temp\BlockIPs.ps1'"

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy ByPass -command ". 'C:\Users\Admin\AppData\Local\Temp\Adobe Temp\BlockIPs.ps1'"

C:\Windows\system32\netsh.exe

"C:\Windows\system32\netsh.exe" advfirewall firewall delete rule "name=Adobe Unlicensed Pop-up" dir=out

C:\Windows\system32\netsh.exe

"C:\Windows\system32\netsh.exe" advfirewall firewall add rule "name=Adobe Unlicensed Pop-up" dir=out action=block remoteip=107.22.247.231,18.207.85.246,23.22.254.206,34.193.227.236,52.202.204.11,52.5.13.197,54.144.73.197,54.227.187.23 enable=yes

C:\Windows\System32\cmd.exe

"C:\Windows\System32\cmd.exe" /c IF DEFINED InstChk ( START "" "C:\Users\Admin\AppData\Local\Temp\..\Set-up.exe" )

Network

Country Destination Domain Proto
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 198.1.85.104.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 adobe.io udp
US 8.8.8.8:53 ns-1159.awsdns-16.org udp
US 205.251.196.135:53 ns-1159.awsdns-16.org udp
US 205.251.196.135:53 ns-1159.awsdns-16.org udp
US 205.251.196.135:53 ns-1159.awsdns-16.org udp
US 205.251.196.135:53 ns-1159.awsdns-16.org udp
US 205.251.196.135:53 ns-1159.awsdns-16.org udp
US 205.251.196.135:53 ns-1159.awsdns-16.org udp
US 8.8.8.8:53 135.196.251.205.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 8.3.197.209.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mre0uq0f.bdv.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/1724-11-0x000001F47F6B0000-0x000001F47F6D2000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Adobe Temp\BlockIPs.ps1

MD5 77a8d3ca91cdb8259c205891832d40af
SHA1 0635077ff4a866b672756b81a0835bf03d860775
SHA256 4954c3748da152bf700dda3606cfe618dfa3c2e6747be47f486a89336c3c6773
SHA512 5b9247422f563534baca73d967a461dff3292f17278020fdf94bea3bb683e16721d57784017aae09d0859816198c38ced5c0fe5e5b7c3db0c0ddf07ae26d1fb4

memory/1724-13-0x00007FF903180000-0x00007FF903C41000-memory.dmp

memory/1724-14-0x000001F418620000-0x000001F418630000-memory.dmp

memory/1724-15-0x000001F418620000-0x000001F418630000-memory.dmp

memory/1724-16-0x000001F418620000-0x000001F418630000-memory.dmp

memory/1724-17-0x000001F47F680000-0x000001F47F690000-memory.dmp

memory/1724-18-0x000001F47F6E0000-0x000001F47F6FA000-memory.dmp

memory/1724-21-0x00007FF903180000-0x00007FF903C41000-memory.dmp