4ea43058ef91685c3dd66816e8071ee17e975ac0428beac6ceac6040b71d82d5

Analysis

max time kernel
13s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
08-09-2024 12:00

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General

Target

Unconfirmed 420792.exe
Size

93KB
MD5

b129339df82237d6c380a217deb9560e
SHA1

493323fc6814a7ae53bb3cacacad45d03ee67533
SHA256

4ea43058ef91685c3dd66816e8071ee17e975ac0428beac6ceac6040b71d82d5
SHA512

c37a2600d3323bed642a093564de30b8bd23b725f48a969184a4bff41548939cdafbcff3f3bcd324b01e542195b6fea0953dd2bb95266e93569447a938bcb432
SSDEEP

768:PY3Xx+EX74tXUIM5YT8/GED60m9ZX7jVXXtSNOXxrjEtCdnl2pi1Rz4Rk33sGdp1:Kx+o4dT8eOvm/5tFjEwzGi1dDDDFgS

Score

8^/10

discovery evasion persistence privilege_escalation

Malware Config

Signatures

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
3616	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Explower.exe	Unconfirmed 420792.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Explower.exe	Unconfirmed 420792.exe

Executes dropped EXE 1 IoCs

pid	Process
648	Explower.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Explower.exe	Unconfirmed 420792.exe
File opened for modification	C:\Windows\SysWOW64\Explower.exe	Unconfirmed 420792.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Explower.exe	Unconfirmed 420792.exe
File opened for modification	C:\Program Files (x86)\Explower.exe	Unconfirmed 420792.exe

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 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

description	ioc	Process
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

System Location Discovery: System Language Discovery 1 TTPs 3 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Unconfirmed 420792.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Explower.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe
1008	Unconfirmed 420792.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1008	Unconfirmed 420792.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1008	Unconfirmed 420792.exe
Token: 33	1008	Unconfirmed 420792.exe
Token: SeIncBasePriorityPrivilege	1008	Unconfirmed 420792.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1008 wrote to memory of 3616	1008	Unconfirmed 420792.exe	73
PID 1008 wrote to memory of 3616	1008	Unconfirmed 420792.exe	73
PID 1008 wrote to memory of 3616	1008	Unconfirmed 420792.exe	73

C:\Users\Admin\AppData\Local\Temp\Unconfirmed 420792.exe
"C:\Users\Admin\AppData\Local\Temp\Unconfirmed 420792.exe"
1⤵
- Drops startup file
- Drops file in System32 directory
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1008
- C:\Windows\SysWOW64\netsh.exe
  netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Unconfirmed 420792.exe" "Unconfirmed 420792.exe" ENABLE
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  PID:3616

C:\Users\Admin\Desktop\Explower.exe
"C:\Users\Admin\Desktop\Explower.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:648

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 Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Explower.exe

Filesize
93KB

MD5
b129339df82237d6c380a217deb9560e

SHA1
493323fc6814a7ae53bb3cacacad45d03ee67533

SHA256
4ea43058ef91685c3dd66816e8071ee17e975ac0428beac6ceac6040b71d82d5

SHA512
c37a2600d3323bed642a093564de30b8bd23b725f48a969184a4bff41548939cdafbcff3f3bcd324b01e542195b6fea0953dd2bb95266e93569447a938bcb432

Download Submit
C:\Users\Admin\AppData\Roaming\app

Filesize
4B

MD5
5fa01e3399c29de16299d5f4ac743fb2

SHA1
04e29a03c4a56cf097701f34d6d2999b93035327

SHA256
6918b0e9f3af6051db0828a0ec9b353222b84164dab5ed3c85310eefce166223

SHA512
5492642165fb12e782f71ba84e8a673ecc047a8a8b3f2f59b64fa8200212326d36ed576fd119ffd0134f1daa03d14069ead81f0e29c2d59de10cdf4bbf2dc90c

Download Submit
memory/648-24-0x0000000073490000-0x0000000073A40000-memory.dmp

Filesize
5.7MB

Download
memory/648-29-0x0000000073490000-0x0000000073A40000-memory.dmp

Filesize
5.7MB

Download
memory/1008-0-0x0000000073491000-0x0000000073492000-memory.dmp

Filesize
4KB

Download
memory/1008-1-0x0000000073490000-0x0000000073A40000-memory.dmp

Filesize
5.7MB

Download
memory/1008-2-0x0000000073490000-0x0000000073A40000-memory.dmp

Filesize
5.7MB

Download
memory/1008-25-0x0000000073490000-0x0000000073A40000-memory.dmp

Filesize
5.7MB

Download
memory/1008-30-0x0000000073490000-0x0000000073A40000-memory.dmp

Filesize
5.7MB

Download