99753090c0c3e5c80cafb63500cb9bff3d2e1ee0277cb35ceef317955fd4d0db

Analysis

max time kernel
145s
max time network
150s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
26/12/2023, 07:57

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General

Target

1051de86740c5c04838d59257376eec9.exe
Size

2.0MB
MD5

1051de86740c5c04838d59257376eec9
SHA1

1b7328561d3bd44d18266a2dd14cbf63b3cc5d67
SHA256

99753090c0c3e5c80cafb63500cb9bff3d2e1ee0277cb35ceef317955fd4d0db
SHA512

117201f8a2b482e2def53458d63a135e10be25ae966ab7d86cb7c4952aeda409af66cbe91320ddea970bda1af8d8c55424d33696af1af867f1e09a92cfc0586f
SSDEEP

49152:MTplXdIaejlPmBlO8iKfZH/msJBueVsxX8QOqxTsfsbz:YNIaeYS/em4NVcMQOqxTIsz

Score

7^/10

persistence

Malware Config

Signatures

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\FANBooster131.lnk	4jf939Ig.exe

Executes dropped EXE 2 IoCs

pid	Process
1276	te8Cp01.exe
2328	4jf939Ig.exe

Loads dropped DLL 13 IoCs

pid	Process
760	1051de86740c5c04838d59257376eec9.exe
1276	te8Cp01.exe
1276	te8Cp01.exe
2328	4jf939Ig.exe
2328	4jf939Ig.exe
2328	4jf939Ig.exe
288	WerFault.exe
288	WerFault.exe
288	WerFault.exe
288	WerFault.exe
288	WerFault.exe
288	WerFault.exe
288	WerFault.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\""	te8Cp01.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Windows\CurrentVersion\Run\MaxLoonaFest131 = "C:\\Users\\Admin\\AppData\\Local\\MaxLoonaFest131\\MaxLoonaFest131.exe"	4jf939Ig.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	1051de86740c5c04838d59257376eec9.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
3	ipinfo.io

Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs

pid	Process
2328	4jf939Ig.exe
2328	4jf939Ig.exe
2328	4jf939Ig.exe
2328	4jf939Ig.exe
2328	4jf939Ig.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
288	2328	WerFault.exe	29

Creates scheduled task(s) 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
592	schtasks.exe
2872	schtasks.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2328	4jf939Ig.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2328	4jf939Ig.exe

Suspicious use of WriteProcessMemory 49 IoCs

description	pid	Process	procid_target
PID 760 wrote to memory of 1276	760	1051de86740c5c04838d59257376eec9.exe	28
PID 760 wrote to memory of 1276	760	1051de86740c5c04838d59257376eec9.exe	28
PID 760 wrote to memory of 1276	760	1051de86740c5c04838d59257376eec9.exe	28
PID 760 wrote to memory of 1276	760	1051de86740c5c04838d59257376eec9.exe	28
PID 760 wrote to memory of 1276	760	1051de86740c5c04838d59257376eec9.exe	28
PID 760 wrote to memory of 1276	760	1051de86740c5c04838d59257376eec9.exe	28
PID 760 wrote to memory of 1276	760	1051de86740c5c04838d59257376eec9.exe	28
PID 1276 wrote to memory of 2328	1276	te8Cp01.exe	29
PID 1276 wrote to memory of 2328	1276	te8Cp01.exe	29
PID 1276 wrote to memory of 2328	1276	te8Cp01.exe	29
PID 1276 wrote to memory of 2328	1276	te8Cp01.exe	29
PID 1276 wrote to memory of 2328	1276	te8Cp01.exe	29
PID 1276 wrote to memory of 2328	1276	te8Cp01.exe	29
PID 1276 wrote to memory of 2328	1276	te8Cp01.exe	29
PID 2328 wrote to memory of 540	2328	4jf939Ig.exe	32
PID 2328 wrote to memory of 540	2328	4jf939Ig.exe	32
PID 2328 wrote to memory of 540	2328	4jf939Ig.exe	32
PID 2328 wrote to memory of 540	2328	4jf939Ig.exe	32
PID 2328 wrote to memory of 540	2328	4jf939Ig.exe	32
PID 2328 wrote to memory of 540	2328	4jf939Ig.exe	32
PID 2328 wrote to memory of 540	2328	4jf939Ig.exe	32
PID 540 wrote to memory of 592	540	cmd.exe	34
PID 540 wrote to memory of 592	540	cmd.exe	34
PID 540 wrote to memory of 592	540	cmd.exe	34
PID 540 wrote to memory of 592	540	cmd.exe	34
PID 540 wrote to memory of 592	540	cmd.exe	34
PID 540 wrote to memory of 592	540	cmd.exe	34
PID 540 wrote to memory of 592	540	cmd.exe	34
PID 2328 wrote to memory of 2912	2328	4jf939Ig.exe	36
PID 2328 wrote to memory of 2912	2328	4jf939Ig.exe	36
PID 2328 wrote to memory of 2912	2328	4jf939Ig.exe	36
PID 2328 wrote to memory of 2912	2328	4jf939Ig.exe	36
PID 2328 wrote to memory of 2912	2328	4jf939Ig.exe	36
PID 2328 wrote to memory of 2912	2328	4jf939Ig.exe	36
PID 2328 wrote to memory of 2912	2328	4jf939Ig.exe	36
PID 2912 wrote to memory of 2872	2912	cmd.exe	37
PID 2912 wrote to memory of 2872	2912	cmd.exe	37
PID 2912 wrote to memory of 2872	2912	cmd.exe	37
PID 2912 wrote to memory of 2872	2912	cmd.exe	37
PID 2912 wrote to memory of 2872	2912	cmd.exe	37
PID 2912 wrote to memory of 2872	2912	cmd.exe	37
PID 2912 wrote to memory of 2872	2912	cmd.exe	37
PID 2328 wrote to memory of 288	2328	4jf939Ig.exe	38
PID 2328 wrote to memory of 288	2328	4jf939Ig.exe	38
PID 2328 wrote to memory of 288	2328	4jf939Ig.exe	38
PID 2328 wrote to memory of 288	2328	4jf939Ig.exe	38
PID 2328 wrote to memory of 288	2328	4jf939Ig.exe	38
PID 2328 wrote to memory of 288	2328	4jf939Ig.exe	38
PID 2328 wrote to memory of 288	2328	4jf939Ig.exe	38

C:\Users\Admin\AppData\Local\Temp\1051de86740c5c04838d59257376eec9.exe
"C:\Users\Admin\AppData\Local\Temp\1051de86740c5c04838d59257376eec9.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:760
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\te8Cp01.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\te8Cp01.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1276
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4jf939Ig.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4jf939Ig.exe
    3⤵
    - Drops startup file
    - Executes dropped EXE
    - Loads dropped DLL
    - Adds Run key to start application
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2328
  - - C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /c schtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe" /tn "OfficeTrackerNMP131 HR" /sc HOURLY /rl HIGHEST
      4⤵
      Suspicious use of WriteProcessMemory
      PID:540
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe" /tn "OfficeTrackerNMP131 HR" /sc HOURLY /rl HIGHEST
        5⤵
        Creates scheduled task(s)
        
        PID:592
  - - C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /c schtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe" /tn "OfficeTrackerNMP131 LG" /sc ONLOGON /rl HIGHEST
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2912
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe" /tn "OfficeTrackerNMP131 LG" /sc ONLOGON /rl HIGHEST
        5⤵
        Creates scheduled task(s)
        
        PID:2872
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2328 -s 1324
      4⤵
      Loads dropped DLL
      Program crash
      PID:288

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1276-20-0x00000000024C0000-0x000000000291E000-memory.dmp

Filesize
4.4MB

Download
memory/2328-21-0x00000000014E0000-0x000000000193E000-memory.dmp

Filesize
4.4MB

Download
memory/2328-22-0x00000000008A0000-0x0000000000CFE000-memory.dmp

Filesize
4.4MB

Download
memory/2328-23-0x00000000008A0000-0x0000000000CFE000-memory.dmp

Filesize
4.4MB

Download
memory/2328-24-0x00000000008A0000-0x0000000000CFE000-memory.dmp

Filesize
4.4MB

Download
memory/2328-25-0x00000000008A0000-0x0000000000CFE000-memory.dmp

Filesize
4.4MB

Download
memory/2328-26-0x00000000008A0000-0x0000000000CFE000-memory.dmp

Filesize
4.4MB

Download
memory/2328-32-0x0000000000890000-0x00000000008A0000-memory.dmp

Filesize
64KB

Download
memory/2328-36-0x00000000008A0000-0x0000000000CFE000-memory.dmp

Filesize
4.4MB

Download
memory/2328-48-0x00000000008A0000-0x0000000000CFE000-memory.dmp

Filesize
4.4MB

Download
memory/2328-50-0x0000000000890000-0x00000000008A0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads