8fac60b8ab8c380b02f4942fea87fa86f04fb5c3acde2afcc6c0685452d69b29

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
19/07/2024, 14:55

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

8fac60b8ab8c380b02f4942fea87fa86f04fb5c3acde2afcc6c0685452d69b29.exe
Size

408KB
MD5

8ead4f8dc1e3d3284a7a41455b17ee4d
SHA1

5f37f45bd48bfe618dacfe55e02af06b60146669
SHA256

8fac60b8ab8c380b02f4942fea87fa86f04fb5c3acde2afcc6c0685452d69b29
SHA512

fd95615b6022063f92e56edb75d378f2bea80c5fef1f7c37126cb14e66747ca2b073a8b8e7466d3542b6cd02db28d11f7222de0508b2f41259cc750dc591e74a
SSDEEP

6144:3w9D91dOrcN3ZGXNYFNmIkYvUIelVjjVtGRyFH4:gtRfJcNYFNm8UhlZGse

Score

8^/10

bootkit persistence spyware stealer

Malware Config

Signatures

Blocklisted process makes network request 10 IoCs

flow	pid	Process
3	2784	rundll32.exe
5	2784	rundll32.exe
8	2784	rundll32.exe
9	2784	rundll32.exe
10	2784	rundll32.exe
13	2784	rundll32.exe
14	2784	rundll32.exe
15	2784	rundll32.exe
17	2784	rundll32.exe
18	2784	rundll32.exe

Deletes itself 1 IoCs

pid	Process
2852	xhwlfwgsx.exe

Executes dropped EXE 1 IoCs

pid	Process
2852	xhwlfwgsx.exe

Loads dropped DLL 6 IoCs

pid	Process
2856	cmd.exe
2856	cmd.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe

Reads user/profile data of web browsers 2 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

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-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Windows\CurrentVersion\Run\Dotx = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\Program Files\\izqcn\\gvfof.dll\",Verify"	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)	\??\t:	rundll32.exe
File opened (read-only)	\??\j:	rundll32.exe
File opened (read-only)	\??\b:	rundll32.exe
File opened (read-only)	\??\g:	rundll32.exe
File opened (read-only)	\??\i:	rundll32.exe
File opened (read-only)	\??\l:	rundll32.exe
File opened (read-only)	\??\p:	rundll32.exe
File opened (read-only)	\??\q:	rundll32.exe
File opened (read-only)	\??\v:	rundll32.exe
File opened (read-only)	\??\a:	rundll32.exe
File opened (read-only)	\??\h:	rundll32.exe
File opened (read-only)	\??\k:	rundll32.exe
File opened (read-only)	\??\m:	rundll32.exe
File opened (read-only)	\??\o:	rundll32.exe
File opened (read-only)	\??\w:	rundll32.exe
File opened (read-only)	\??\x:	rundll32.exe
File opened (read-only)	\??\z:	rundll32.exe
File opened (read-only)	\??\e:	rundll32.exe
File opened (read-only)	\??\r:	rundll32.exe
File opened (read-only)	\??\s:	rundll32.exe
File opened (read-only)	\??\u:	rundll32.exe
File opened (read-only)	\??\y:	rundll32.exe
File opened (read-only)	\??\n:	rundll32.exe

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

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2784	rundll32.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\izqcn	xhwlfwgsx.exe
File created	\??\c:\Program Files\izqcn\gvfof.dll	xhwlfwgsx.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 1 IoCs

Remote System Discovery

T1018

pid	Process
2720	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe
2784	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2784	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2716	8fac60b8ab8c380b02f4942fea87fa86f04fb5c3acde2afcc6c0685452d69b29.exe
2852	xhwlfwgsx.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2716 wrote to memory of 2856	2716	8fac60b8ab8c380b02f4942fea87fa86f04fb5c3acde2afcc6c0685452d69b29.exe	30
PID 2716 wrote to memory of 2856	2716	8fac60b8ab8c380b02f4942fea87fa86f04fb5c3acde2afcc6c0685452d69b29.exe	30
PID 2716 wrote to memory of 2856	2716	8fac60b8ab8c380b02f4942fea87fa86f04fb5c3acde2afcc6c0685452d69b29.exe	30
PID 2716 wrote to memory of 2856	2716	8fac60b8ab8c380b02f4942fea87fa86f04fb5c3acde2afcc6c0685452d69b29.exe	30
PID 2856 wrote to memory of 2720	2856	cmd.exe	32
PID 2856 wrote to memory of 2720	2856	cmd.exe	32
PID 2856 wrote to memory of 2720	2856	cmd.exe	32
PID 2856 wrote to memory of 2720	2856	cmd.exe	32
PID 2856 wrote to memory of 2852	2856	cmd.exe	33
PID 2856 wrote to memory of 2852	2856	cmd.exe	33
PID 2856 wrote to memory of 2852	2856	cmd.exe	33
PID 2856 wrote to memory of 2852	2856	cmd.exe	33
PID 2852 wrote to memory of 2784	2852	xhwlfwgsx.exe	34
PID 2852 wrote to memory of 2784	2852	xhwlfwgsx.exe	34
PID 2852 wrote to memory of 2784	2852	xhwlfwgsx.exe	34
PID 2852 wrote to memory of 2784	2852	xhwlfwgsx.exe	34
PID 2852 wrote to memory of 2784	2852	xhwlfwgsx.exe	34
PID 2852 wrote to memory of 2784	2852	xhwlfwgsx.exe	34
PID 2852 wrote to memory of 2784	2852	xhwlfwgsx.exe	34

C:\Users\Admin\AppData\Local\Temp\8fac60b8ab8c380b02f4942fea87fa86f04fb5c3acde2afcc6c0685452d69b29.exe
"C:\Users\Admin\AppData\Local\Temp\8fac60b8ab8c380b02f4942fea87fa86f04fb5c3acde2afcc6c0685452d69b29.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2716
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\xhwlfwgsx.exe "C:\Users\Admin\AppData\Local\Temp\8fac60b8ab8c380b02f4942fea87fa86f04fb5c3acde2afcc6c0685452d69b29.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2856
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 2
    3⤵
    - Runs ping.exe
    PID:2720
- - C:\Users\Admin\AppData\Local\Temp\xhwlfwgsx.exe
    C:\Users\Admin\AppData\Local\Temp\\xhwlfwgsx.exe "C:\Users\Admin\AppData\Local\Temp\8fac60b8ab8c380b02f4942fea87fa86f04fb5c3acde2afcc6c0685452d69b29.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - Drops file in Program Files directory
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2852
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\Program Files\izqcn\gvfof.dll",Verify C:\Users\Admin\AppData\Local\Temp\xhwlfwgsx.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)
      Suspicious use of NtSetInformationThreadHideFromDebugger
      Checks processor information in registry
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2784

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

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

\??\c:\Program Files\izqcn\gvfof.dll

Filesize
228KB

MD5
a34980395209e2b9a046bb8081f01118

SHA1
86a95c04d1bfce108a364a73c9f5ee8764d4ed34

SHA256
0718017f04627d3e6234f8e892cdaddc69dc4cc401127e1b2a573f0f0b618a65

SHA512
ff23396049ff37539f30ed43a640ab5054f0454ee0fefa12963d95e7c7c07709c5a168dfb26d45d5df62ea5dc9af342419742f2de86e364b8c7928bf08128c18

Download Submit
\Users\Admin\AppData\Local\Temp\xhwlfwgsx.exe

Filesize
408KB

MD5
be227ee6cc47a65d3604577efe203ab6

SHA1
be471066e4a463e734b991df810dd3f4a76d243f

SHA256
ea027e68d77e644bad0bfc4efc02a005e355614520ee2427175be7a952de86df

SHA512
f6086255e63e58d53cf5c1b2ea3dea709c3415ec665f3309d2017d8e9efec3b70bb0b07828614a906a3dbdeca48b14e0b402e9330135d06a488c87a9a63a4862

Download Submit
memory/2716-0-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2716-2-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2784-17-0x0000000010000000-0x0000000010080000-memory.dmp

Filesize
512KB

Download
memory/2784-18-0x0000000010000000-0x0000000010080000-memory.dmp

Filesize
512KB

Download
memory/2784-20-0x0000000010000000-0x0000000010080000-memory.dmp

Filesize
512KB

Download
memory/2852-9-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2852-11-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2856-4-0x0000000000310000-0x0000000000374000-memory.dmp

Filesize
400KB

Download
memory/2856-8-0x0000000000310000-0x0000000000374000-memory.dmp

Filesize
400KB

Download