b7da3b3684234f6959fc1b0bd217f111faa5b4048c62b6339320144d790ac178

Analysis

max time kernel
121s
max time network
138s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10-10-2024 17:49

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General

Target

Cina/Desktop (2)/IPRoyalPawns/uninstaller.exe
Size

53KB
MD5

f59760d6acf6a007bca4ccd8b85975c2
SHA1

1203798f9c6f7fcfcf573c6e8e1e716b9bf41ec6
SHA256

2e9a962773dff534d04a0545226980682aefbef668e2c3b002de563a647a26ae
SHA512

efa366170391a8d7f4118525a802ec99e8d2f6c2b04cbc5b9be5e296a659595c8089674f11ae6dcfe2291ac1e2745ed8c1c3225782542ee420d64bbb9b4e81ef
SSDEEP

1536:gHY0iClLsdSA5ppX0Dkyec2gdLeAyNS77s:cYrClLswbDkrc2ceAl7s

Score

8^/10

discovery evasion persistence privilege_escalation

Malware Config

Signatures

Modifies Windows Firewall 2 TTPs 2 IoCs
evasion

Windows Service
T1543.003

Disable or Modify System Firewall
T1562.004

Processes:

netsh.exenetsh.exe

pid process

2588 netsh.exe
2644 netsh.exe
Deletes itself 1 IoCs

Processes:

Un_A.exe

pid process

316 Un_A.exe
Executes dropped EXE 1 IoCs

Processes:

Un_A.exe

pid process

316 Un_A.exe
Loads dropped DLL 1 IoCs

Processes:

uninstaller.exe

pid process

1788 uninstaller.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2588	netsh.exe
2644	netsh.exe

pid	process
316	Un_A.exe

pid	process
316	Un_A.exe

pid	process
1788	uninstaller.exe

Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

Processes:

netsh.exenetsh.exe

description	ioc	process
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

taskkill.exenetsh.exenetsh.exeuninstaller.exeUn_A.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	uninstaller.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Un_A.exe

NSIS installer 2 IoCs

installer

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe	nsis_installer_1
\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe	nsis_installer_2

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

3056 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 3056 taskkill.exe

pid	process
3056	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	3056	taskkill.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

uninstaller.exeUn_A.exe

description	pid	process	target process
PID 1788 wrote to memory of 316	1788	uninstaller.exe	Un_A.exe
PID 1788 wrote to memory of 316	1788	uninstaller.exe	Un_A.exe
PID 1788 wrote to memory of 316	1788	uninstaller.exe	Un_A.exe
PID 1788 wrote to memory of 316	1788	uninstaller.exe	Un_A.exe
PID 316 wrote to memory of 3056	316	Un_A.exe	taskkill.exe
PID 316 wrote to memory of 3056	316	Un_A.exe	taskkill.exe
PID 316 wrote to memory of 3056	316	Un_A.exe	taskkill.exe
PID 316 wrote to memory of 3056	316	Un_A.exe	taskkill.exe
PID 316 wrote to memory of 2588	316	Un_A.exe	netsh.exe
PID 316 wrote to memory of 2588	316	Un_A.exe	netsh.exe
PID 316 wrote to memory of 2588	316	Un_A.exe	netsh.exe
PID 316 wrote to memory of 2588	316	Un_A.exe	netsh.exe
PID 316 wrote to memory of 2644	316	Un_A.exe	netsh.exe
PID 316 wrote to memory of 2644	316	Un_A.exe	netsh.exe
PID 316 wrote to memory of 2644	316	Un_A.exe	netsh.exe
PID 316 wrote to memory of 2644	316	Un_A.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\Cina\Desktop (2)\IPRoyalPawns\uninstaller.exe
"C:\Users\Admin\AppData\Local\Temp\Cina\Desktop (2)\IPRoyalPawns\uninstaller.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1788

C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe
"C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe" _?=C:\Users\Admin\AppData\Local\Temp\Cina\Desktop (2)\IPRoyalPawns\
2⤵
- Deletes itself
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:316

C:\Windows\SysWOW64\taskkill.exe
taskkill /f /im iproyal_pawns.exe
3⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3056

C:\Windows\SysWOW64\netsh.exe
netsh advfirewall firewall delete rule name=IPRoyalPawnsIn
3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:2588

C:\Windows\SysWOW64\netsh.exe
netsh advfirewall firewall delete rule name=IPRoyalPawnsOut
3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:2644

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe

Filesize
53KB

MD5
f59760d6acf6a007bca4ccd8b85975c2

SHA1
1203798f9c6f7fcfcf573c6e8e1e716b9bf41ec6

SHA256
2e9a962773dff534d04a0545226980682aefbef668e2c3b002de563a647a26ae

SHA512
efa366170391a8d7f4118525a802ec99e8d2f6c2b04cbc5b9be5e296a659595c8089674f11ae6dcfe2291ac1e2745ed8c1c3225782542ee420d64bbb9b4e81ef

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