3a544fd2cae90783ee27c8440c82bd5053d08275bb860dfb4b5d7211d035ca8b

Analysis

max time kernel
142s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
28/03/2025, 17:44

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

3a544fd2cae90783ee27c8440c82bd5053d08275bb860dfb4b5d7211d035ca8b.exe
Size

96KB
MD5

15db2155b7c1bb345369e3fea1748f76
SHA1

d2479b4e60403a211bb7c4ad72f5811d72b967f2
SHA256

3a544fd2cae90783ee27c8440c82bd5053d08275bb860dfb4b5d7211d035ca8b
SHA512

6cf6aa1c0b6bf6ed6a676b768dda04fabfc9096aed1d6502bfb1fa9e66ffbc37cf41943b15213b4e613716b9649d6b13b5ed1044f2f180b6d769c8bc6c1a1862
SSDEEP

1536:6LxJJlguY/NbvWU2VkWlVvtlqDyKJR40AEEoU:cc/R+U23vtlPR0p

Score

8^/10

bootkit discovery persistence spyware stealer upx

Malware Config

Signatures

Blocklisted process makes network request 8 IoCs

flow	pid	Process
28	3140	rundll32.exe
35	3140	rundll32.exe
36	3140	rundll32.exe
37	3140	rundll32.exe
63	3140	rundll32.exe
64	3140	rundll32.exe
73	3140	rundll32.exe
77	3140	rundll32.exe

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000600000001e72f-10.dat	acprotect

Deletes itself 1 IoCs

pid	Process
2840	tqzgi.exe

Executes dropped EXE 1 IoCs

pid	Process
2840	tqzgi.exe

Loads dropped DLL 2 IoCs

pid	Process
3140	rundll32.exe
5792	rundll32.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-869607583-2483572573-2297019986-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\EvtMgr = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\uvlgat\\ziuwc.dll\",init"	rundll32.exe

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\q:	rundll32.exe
File opened (read-only)	\??\t:	rundll32.exe
File opened (read-only)	\??\w:	rundll32.exe
File opened (read-only)	\??\g:	rundll32.exe
File opened (read-only)	\??\j:	rundll32.exe
File opened (read-only)	\??\k:	rundll32.exe
File opened (read-only)	\??\r:	rundll32.exe
File opened (read-only)	\??\u:	rundll32.exe
File opened (read-only)	\??\y:	rundll32.exe
File opened (read-only)	\??\a:	rundll32.exe
File opened (read-only)	\??\h:	rundll32.exe
File opened (read-only)	\??\l:	rundll32.exe
File opened (read-only)	\??\n:	rundll32.exe
File opened (read-only)	\??\s:	rundll32.exe
File opened (read-only)	\??\v:	rundll32.exe
File opened (read-only)	\??\x:	rundll32.exe
File opened (read-only)	\??\e:	rundll32.exe
File opened (read-only)	\??\i:	rundll32.exe
File opened (read-only)	\??\m:	rundll32.exe
File opened (read-only)	\??\o:	rundll32.exe
File opened (read-only)	\??\z:	rundll32.exe
File opened (read-only)	\??\b:	rundll32.exe
File opened (read-only)	\??\p:	rundll32.exe

Writes to the Master Boot Record (MBR) 1 TTPs 2 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PHYSICALDRIVE0	rundll32.exe
File opened for modification	\??\PHYSICALDRIVE0	rundll32.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/files/0x000600000001e72f-10.dat	upx
behavioral2/memory/3140-12-0x0000000010000000-0x0000000010024000-memory.dmp	upx
behavioral2/memory/3140-13-0x0000000010000000-0x0000000010024000-memory.dmp	upx
behavioral2/memory/3140-16-0x0000000010000000-0x0000000010024000-memory.dmp	upx
behavioral2/memory/3140-18-0x0000000010000000-0x0000000010024000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 8 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	3a544fd2cae90783ee27c8440c82bd5053d08275bb860dfb4b5d7211d035ca8b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tqzgi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 4 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
4196	cmd.exe
6004	PING.EXE
5004	cmd.exe
5904	PING.EXE

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	rundll32.exe

Runs ping.exe 1 TTPs 2 IoCs

Remote System Discovery

T1018

pid	Process
6004	PING.EXE
5904	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3140	rundll32.exe
3140	rundll32.exe
3140	rundll32.exe
3140	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3140	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5848	3a544fd2cae90783ee27c8440c82bd5053d08275bb860dfb4b5d7211d035ca8b.exe
2840	tqzgi.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 5848 wrote to memory of 4196	5848	3a544fd2cae90783ee27c8440c82bd5053d08275bb860dfb4b5d7211d035ca8b.exe	90
PID 5848 wrote to memory of 4196	5848	3a544fd2cae90783ee27c8440c82bd5053d08275bb860dfb4b5d7211d035ca8b.exe	90
PID 5848 wrote to memory of 4196	5848	3a544fd2cae90783ee27c8440c82bd5053d08275bb860dfb4b5d7211d035ca8b.exe	90
PID 4196 wrote to memory of 6004	4196	cmd.exe	93
PID 4196 wrote to memory of 6004	4196	cmd.exe	93
PID 4196 wrote to memory of 6004	4196	cmd.exe	93
PID 4196 wrote to memory of 2840	4196	cmd.exe	95
PID 4196 wrote to memory of 2840	4196	cmd.exe	95
PID 4196 wrote to memory of 2840	4196	cmd.exe	95
PID 2840 wrote to memory of 3140	2840	tqzgi.exe	97
PID 2840 wrote to memory of 3140	2840	tqzgi.exe	97
PID 2840 wrote to memory of 3140	2840	tqzgi.exe	97
PID 5200 wrote to memory of 5792	5200	cmd.exe	110
PID 5200 wrote to memory of 5792	5200	cmd.exe	110
PID 5200 wrote to memory of 5792	5200	cmd.exe	110
PID 5792 wrote to memory of 5004	5792	rundll32.exe	111
PID 5792 wrote to memory of 5004	5792	rundll32.exe	111
PID 5792 wrote to memory of 5004	5792	rundll32.exe	111
PID 5004 wrote to memory of 5904	5004	cmd.exe	113
PID 5004 wrote to memory of 5904	5004	cmd.exe	113
PID 5004 wrote to memory of 5904	5004	cmd.exe	113

C:\Users\Admin\AppData\Local\Temp\3a544fd2cae90783ee27c8440c82bd5053d08275bb860dfb4b5d7211d035ca8b.exe
"C:\Users\Admin\AppData\Local\Temp\3a544fd2cae90783ee27c8440c82bd5053d08275bb860dfb4b5d7211d035ca8b.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5848
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\tqzgi.exe "C:\Users\Admin\AppData\Local\Temp\3a544fd2cae90783ee27c8440c82bd5053d08275bb860dfb4b5d7211d035ca8b.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:4196
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 2
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:6004
- - \??\c:\tqzgi.exe
    c:\tqzgi.exe "C:\Users\Admin\AppData\Local\Temp\3a544fd2cae90783ee27c8440c82bd5053d08275bb860dfb4b5d7211d035ca8b.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2840
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\uvlgat\ziuwc.dll",init c:\tqzgi.exe
      4⤵
      Blocklisted process makes network request
      Loads dropped DLL
      Adds Run key to start application
      Enumerates connected drives
      Writes to the Master Boot Record (MBR)
      System Location Discovery: System Language Discovery
      Checks processor information in registry
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3140

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c c:\windows\SysWOW64\rundll32.exe "c:\uvlgat\ziuwc.dll",init
1⤵
- Suspicious use of WriteProcessMemory
PID:5200
- \??\c:\windows\SysWOW64\rundll32.exe
  c:\windows\SysWOW64\rundll32.exe "c:\uvlgat\ziuwc.dll",init
  2⤵
  - Loads dropped DLL
  - Writes to the Master Boot Record (MBR)
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5792
- - \??\c:\windows\SysWOW64\cmd.exe
    cmd.exe /c ping 127.0.0.1 -n 3&rd /s /q "c:\uvlgat"
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:5004
  - - C:\Windows\SysWOW64\PING.EXE
      ping 127.0.0.1 -n 3
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:5904

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\tqzgi.exe

Filesize
96KB

MD5
45009f74dd7c2c9d18de55341ce6b659

SHA1
f8cd8cfab199802c6c5755f65001918ef1b2aa63

SHA256
70b9ba30aa8fde25cb5b91b2cc244589e4c39550621fe1a7f79a8cbc5eaa139b

SHA512
a353a1f5dae234cd8f303d7f4a53b67e548ee34b784be3c14933793ca2c077f71fd58b6fa5751fcc62a05d6fea26c714ff327a28e51233c266696ae6191fa7bf

Download Submit
\??\c:\uvlgat\ziuwc.dll

Filesize
46KB

MD5
42fe886bcb6460f7c2a46e21ecac5da6

SHA1
7d9a1c9fe17121cf61444da965f29e974a95ede2

SHA256
b6bc7902da0250f6ca920b35b222f6a0fe62102caf05d2a1722c4d3b225a0a9e

SHA512
3d1a7dc1d9ca8a4376302ba20df584ad59b98e0d3b18b06b22d7f5a455833ce124e412fc1922a3b704dcbafa31987cda3115c9a71dd6299683502cebae33567c

Download Submit
memory/2840-7-0x0000000000920000-0x0000000000922000-memory.dmp

Filesize
8KB

Download
memory/2840-9-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3140-12-0x0000000010000000-0x0000000010024000-memory.dmp

Filesize
144KB

Download
memory/3140-13-0x0000000010000000-0x0000000010024000-memory.dmp

Filesize
144KB

Download
memory/3140-16-0x0000000010000000-0x0000000010024000-memory.dmp

Filesize
144KB

Download
memory/3140-18-0x0000000010000000-0x0000000010024000-memory.dmp

Filesize
144KB

Download
memory/5848-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/5848-1-0x0000000000A50000-0x0000000000A52000-memory.dmp

Filesize
8KB

Download
memory/5848-3-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download