fb4ada9721067a24dada7a701fcf90cfb611b3764e2e869464ef4835896715ec

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
15/10/2024, 06:32

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General

Target

fb4ada9721067a24dada7a701fcf90cfb611b3764e2e869464ef4835896715ec.exe
Size

408KB
MD5

5a160041e9b3a154efe42d77252836e3
SHA1

d720c3c49bcd23b4247b61aaff3d6f7bc21a172e
SHA256

fb4ada9721067a24dada7a701fcf90cfb611b3764e2e869464ef4835896715ec
SHA512

2bac12877615419c7f14a7be7a10f5cb93bc4f3ed5cadcdf7564ce4fd9cb871074fe4824bab5b8c1b128b142706b5f1f5dfd5ae13590032bbf531862a3bc6470
SSDEEP

6144:3w9D91dOrcN3ZGXNYFNmIkYvUIelVjjVtGRyFH4:gtRfJcNYFNm8UhlZGse

Score

8^/10

bootkit discovery persistence spyware stealer

Malware Config

Signatures

Blocklisted process makes network request 8 IoCs

flow	pid	Process
21	3780	rundll32.exe
28	3780	rundll32.exe
29	3780	rundll32.exe
30	3780	rundll32.exe
43	3780	rundll32.exe
44	3780	rundll32.exe
53	3780	rundll32.exe
67	3780	rundll32.exe

Deletes itself 1 IoCs

pid	Process
1776	hqttps.exe

Executes dropped EXE 1 IoCs

pid	Process
1776	hqttps.exe

Loads dropped DLL 1 IoCs

pid	Process
3780	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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Dotx = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\Program Files\\tciyjo\\hyxxz.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)	\??\e:	rundll32.exe
File opened (read-only)	\??\p:	rundll32.exe
File opened (read-only)	\??\x:	rundll32.exe
File opened (read-only)	\??\v:	rundll32.exe
File opened (read-only)	\??\z:	rundll32.exe
File opened (read-only)	\??\b:	rundll32.exe
File opened (read-only)	\??\q:	rundll32.exe
File opened (read-only)	\??\u:	rundll32.exe
File opened (read-only)	\??\m:	rundll32.exe
File opened (read-only)	\??\n:	rundll32.exe
File opened (read-only)	\??\r:	rundll32.exe
File opened (read-only)	\??\w:	rundll32.exe
File opened (read-only)	\??\a:	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)	\??\o:	rundll32.exe
File opened (read-only)	\??\s:	rundll32.exe
File opened (read-only)	\??\t:	rundll32.exe
File opened (read-only)	\??\y:	rundll32.exe
File opened (read-only)	\??\h:	rundll32.exe
File opened (read-only)	\??\j:	rundll32.exe
File opened (read-only)	\??\k:	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
3780	rundll32.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\tciyjo	hqttps.exe
File created	\??\c:\Program Files\tciyjo\hyxxz.dll	hqttps.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fb4ada9721067a24dada7a701fcf90cfb611b3764e2e869464ef4835896715ec.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	hqttps.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
1612	cmd.exe
1072	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 1 IoCs

Remote System Discovery

T1018

pid	Process
1072	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe
3780	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3780	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
872	fb4ada9721067a24dada7a701fcf90cfb611b3764e2e869464ef4835896715ec.exe
1776	hqttps.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 872 wrote to memory of 1612	872	fb4ada9721067a24dada7a701fcf90cfb611b3764e2e869464ef4835896715ec.exe	86
PID 872 wrote to memory of 1612	872	fb4ada9721067a24dada7a701fcf90cfb611b3764e2e869464ef4835896715ec.exe	86
PID 872 wrote to memory of 1612	872	fb4ada9721067a24dada7a701fcf90cfb611b3764e2e869464ef4835896715ec.exe	86
PID 1612 wrote to memory of 1072	1612	cmd.exe	88
PID 1612 wrote to memory of 1072	1612	cmd.exe	88
PID 1612 wrote to memory of 1072	1612	cmd.exe	88
PID 1612 wrote to memory of 1776	1612	cmd.exe	90
PID 1612 wrote to memory of 1776	1612	cmd.exe	90
PID 1612 wrote to memory of 1776	1612	cmd.exe	90
PID 1776 wrote to memory of 3780	1776	hqttps.exe	91
PID 1776 wrote to memory of 3780	1776	hqttps.exe	91
PID 1776 wrote to memory of 3780	1776	hqttps.exe	91

C:\Users\Admin\AppData\Local\Temp\fb4ada9721067a24dada7a701fcf90cfb611b3764e2e869464ef4835896715ec.exe
"C:\Users\Admin\AppData\Local\Temp\fb4ada9721067a24dada7a701fcf90cfb611b3764e2e869464ef4835896715ec.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:872
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\hqttps.exe "C:\Users\Admin\AppData\Local\Temp\fb4ada9721067a24dada7a701fcf90cfb611b3764e2e869464ef4835896715ec.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:1612
- - 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:1072
- - C:\Users\Admin\AppData\Local\Temp\hqttps.exe
    C:\Users\Admin\AppData\Local\Temp\\hqttps.exe "C:\Users\Admin\AppData\Local\Temp\fb4ada9721067a24dada7a701fcf90cfb611b3764e2e869464ef4835896715ec.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1776
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\Program Files\tciyjo\hyxxz.dll",Verify C:\Users\Admin\AppData\Local\Temp\hqttps.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
      System Location Discovery: System Language Discovery
      Checks processor information in registry
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3780

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

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Downloads

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

Filesize
408KB

MD5
0002c626dd8a9a6c34fda0ee80d96253

SHA1
f7cf66d820d14cc572720a4736bbf37bf59a1bbe

SHA256
563956c97f1c93d5e1e5805dd1f4097af6430aae2c7bbe704e08cb7a39353cea

SHA512
c200367475ec3315bb013406ba375e15497d7d1a017411bb7065ba9cbd00dafcaff7acf1976dcbb41e6e90494fc38cd524068261d09534fe8baa671a9e5b4ba8

Download Submit
\??\c:\Program Files\tciyjo\hyxxz.dll

Filesize
228KB

MD5
ea73197620d28831168c26ec6e394f16

SHA1
c9ed79074353c574364abf9c08cdfa3c4127e1f1

SHA256
ee174cb195b5d00b7aba141ff43499212079fbad7f0d23da79d6ebc32f10c038

SHA512
dc6ee07631de62b7dadcb97db1005b0a5335095dd1ee1adeb28c9bccf3a5db2212480af5cbe02ff4f314fa4d1a2d2fbb97e6f3a65c74a64e952d299a7277bd5d

Download Submit
memory/872-0-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/872-2-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1776-7-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/3780-10-0x0000000010000000-0x0000000010080000-memory.dmp

Filesize
512KB

Download
memory/3780-12-0x0000000010000000-0x0000000010080000-memory.dmp

Filesize
512KB

Download
memory/3780-13-0x0000000010000000-0x0000000010080000-memory.dmp

Filesize
512KB

Download