d49b89eca6d2a472562d8c93d97d76faf01c473e4203f29dfd7bc23919ffdfe0

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12/09/2024, 03:28

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General

Target

d0d368ca8ffd04426cf3add8b9cd3b10N.exe
Size

83KB
MD5

d0d368ca8ffd04426cf3add8b9cd3b10
SHA1

d2c3486714b8e813cc4018faa7e5907f784ed32a
SHA256

d49b89eca6d2a472562d8c93d97d76faf01c473e4203f29dfd7bc23919ffdfe0
SHA512

480aa1867466f749f65d71109fbbdeaaa44727a88f233d7bf10aeb62e2c26032a70d55b3830153f859cc4bff08397a9f8f0eddc2f745b199f5425e863de99f64
SSDEEP

1536:6LxJJlguY/NbvWU2VkWlVvtlqDyKJR40AEEokb:cc/R+U23vtlPR0p

Score

8^/10

bootkit discovery persistence spyware stealer upx

Malware Config

Signatures

Blocklisted process makes network request 9 IoCs

flow	pid	Process
3	2584	rundll32.exe
7	2584	rundll32.exe
8	2584	rundll32.exe
9	2584	rundll32.exe
10	2584	rundll32.exe
13	2584	rundll32.exe
14	2584	rundll32.exe
15	2584	rundll32.exe
17	2584	rundll32.exe

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000c000000016d15-9.dat	acprotect

Deletes itself 1 IoCs

pid	Process
2032	yvohxpz.exe

Executes dropped EXE 1 IoCs

pid	Process
2032	yvohxpz.exe

Loads dropped DLL 4 IoCs

pid	Process
2584	rundll32.exe
2584	rundll32.exe
2584	rundll32.exe
2584	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

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000c000000016d15-9.dat	upx
behavioral1/memory/2584-16-0x0000000010000000-0x0000000010024000-memory.dmp	upx
behavioral1/memory/2584-15-0x0000000010000000-0x0000000010024000-memory.dmp	upx
behavioral1/memory/2584-13-0x0000000010000000-0x0000000010024000-memory.dmp	upx
behavioral1/memory/2584-17-0x0000000010000000-0x0000000010024000-memory.dmp	upx
behavioral1/memory/2584-22-0x0000000010000000-0x0000000010024000-memory.dmp	upx
behavioral1/memory/2584-23-0x0000000010000000-0x0000000010024000-memory.dmp	upx
behavioral1/memory/2584-24-0x0000000010000000-0x0000000010024000-memory.dmp	upx

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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\EvtMgr = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\pqhcq\\auodr.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)	\??\t:	rundll32.exe
File opened (read-only)	\??\e:	rundll32.exe
File opened (read-only)	\??\h:	rundll32.exe
File opened (read-only)	\??\i:	rundll32.exe
File opened (read-only)	\??\o:	rundll32.exe
File opened (read-only)	\??\s:	rundll32.exe
File opened (read-only)	\??\r:	rundll32.exe
File opened (read-only)	\??\v:	rundll32.exe
File opened (read-only)	\??\y:	rundll32.exe
File opened (read-only)	\??\u:	rundll32.exe
File opened (read-only)	\??\b:	rundll32.exe
File opened (read-only)	\??\l:	rundll32.exe
File opened (read-only)	\??\m:	rundll32.exe
File opened (read-only)	\??\p:	rundll32.exe
File opened (read-only)	\??\q:	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)	\??\a:	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)	\??\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

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	d0d368ca8ffd04426cf3add8b9cd3b10N.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	yvohxpz.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
2828	cmd.exe
2764	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
2764	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2584	rundll32.exe
2584	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2584	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2756	d0d368ca8ffd04426cf3add8b9cd3b10N.exe
2032	yvohxpz.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2756 wrote to memory of 2828	2756	d0d368ca8ffd04426cf3add8b9cd3b10N.exe	30
PID 2756 wrote to memory of 2828	2756	d0d368ca8ffd04426cf3add8b9cd3b10N.exe	30
PID 2756 wrote to memory of 2828	2756	d0d368ca8ffd04426cf3add8b9cd3b10N.exe	30
PID 2756 wrote to memory of 2828	2756	d0d368ca8ffd04426cf3add8b9cd3b10N.exe	30
PID 2828 wrote to memory of 2764	2828	cmd.exe	32
PID 2828 wrote to memory of 2764	2828	cmd.exe	32
PID 2828 wrote to memory of 2764	2828	cmd.exe	32
PID 2828 wrote to memory of 2764	2828	cmd.exe	32
PID 2828 wrote to memory of 2032	2828	cmd.exe	33
PID 2828 wrote to memory of 2032	2828	cmd.exe	33
PID 2828 wrote to memory of 2032	2828	cmd.exe	33
PID 2828 wrote to memory of 2032	2828	cmd.exe	33
PID 2032 wrote to memory of 2584	2032	yvohxpz.exe	34
PID 2032 wrote to memory of 2584	2032	yvohxpz.exe	34
PID 2032 wrote to memory of 2584	2032	yvohxpz.exe	34
PID 2032 wrote to memory of 2584	2032	yvohxpz.exe	34
PID 2032 wrote to memory of 2584	2032	yvohxpz.exe	34
PID 2032 wrote to memory of 2584	2032	yvohxpz.exe	34
PID 2032 wrote to memory of 2584	2032	yvohxpz.exe	34

C:\Users\Admin\AppData\Local\Temp\d0d368ca8ffd04426cf3add8b9cd3b10N.exe
"C:\Users\Admin\AppData\Local\Temp\d0d368ca8ffd04426cf3add8b9cd3b10N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2756
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\yvohxpz.exe "C:\Users\Admin\AppData\Local\Temp\d0d368ca8ffd04426cf3add8b9cd3b10N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2828
- - 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:2764
- - \??\c:\yvohxpz.exe
    c:\yvohxpz.exe "C:\Users\Admin\AppData\Local\Temp\d0d368ca8ffd04426cf3add8b9cd3b10N.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2032
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\pqhcq\auodr.dll",init c:\yvohxpz.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:2584

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

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:\pqhcq\auodr.dll

Filesize
46KB

MD5
42fe886bcb6460f7c2a46e21ecac5da6

SHA1
7d9a1c9fe17121cf61444da965f29e974a95ede2

SHA256
b6bc7902da0250f6ca920b35b222f6a0fe62102caf05d2a1722c4d3b225a0a9e

SHA512
3d1a7dc1d9ca8a4376302ba20df584ad59b98e0d3b18b06b22d7f5a455833ce124e412fc1922a3b704dcbafa31987cda3115c9a71dd6299683502cebae33567c

Download Submit
\??\c:\yvohxpz.exe

Filesize
83KB

MD5
6094684a97ce176f361ad6b5cfb6c4e9

SHA1
4ff2a19a62fa1b83f9978d1d4888830404826e9c

SHA256
0d569681e799ec23406f8c0903656ce0b30c4209b4c99a73889a18f98b6344a0

SHA512
4cf4b385880b8599dd186c8a702947e20d70721d00022aa170612327f3a2b541514fdba209dfa99179613c1d6c11d9ebea796a7b1e16d67421ea14c81b9e937b

Download Submit
memory/2032-6-0x00000000002F0000-0x00000000002F2000-memory.dmp

Filesize
8KB

Download
memory/2032-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2584-16-0x0000000010000000-0x0000000010024000-memory.dmp

Filesize
144KB

Download
memory/2584-15-0x0000000010000000-0x0000000010024000-memory.dmp

Filesize
144KB

Download
memory/2584-13-0x0000000010000000-0x0000000010024000-memory.dmp

Filesize
144KB

Download
memory/2584-17-0x0000000010000000-0x0000000010024000-memory.dmp

Filesize
144KB

Download
memory/2584-22-0x0000000010000000-0x0000000010024000-memory.dmp

Filesize
144KB

Download
memory/2584-23-0x0000000010000000-0x0000000010024000-memory.dmp

Filesize
144KB

Download
memory/2584-24-0x0000000010000000-0x0000000010024000-memory.dmp

Filesize
144KB

Download
memory/2756-3-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2756-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2756-1-0x0000000000270000-0x0000000000272000-memory.dmp

Filesize
8KB

Download