formbook | 18d42895a0a37161199e0f3da093cb3057f71a608866a3d3284c83a7b90dbf81

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
28/07/2024, 17:35

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General

Target

19ed201350af3fc74e718aa9cd63f67f_JaffaCakes118.exe
Size

478KB
MD5

19ed201350af3fc74e718aa9cd63f67f
SHA1

4886c619617f705910d64e1286d3c78ec40266ca
SHA256

18d42895a0a37161199e0f3da093cb3057f71a608866a3d3284c83a7b90dbf81
SHA512

577b97985d83f22a841e6c584c5674e7661543f04b4b077ee708ae208861654d4781f369af3a243a7ecc3f7c5f38ff27eab2af3020dc7ed66c8af526059585a1
SSDEEP

12288:EanI100up/lVGVup2iQttzsD8f8U5BN0m4xxVpKnhH2MhWOfBtqBKR:A1cpHGVupr8t0yDjNR4uH2y3vR

Score

10^/10

formbook c233 credential_access discovery persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

c233

Decoy

concentratedprerolls.com

17aia.com

the-mistershop.com

pro-ecare.com

hushkeeper.com

zhmeiju.com

locationdd.com

rupanaa.com

smartlivegt.com

oidhlima.com

climpuright.icu

shopmaincollection.com

divineconsciousnessacademy.com

lumenhealthandwellness.com

relicstudios.net

gamelosophers.com

minimalismoweb.com

ecoapiaryfarms.com

siyuechuanmei.com

advincicode.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/3920-50-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/3920-52-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/3920-53-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Loads dropped DLL 1 IoCs

pid	Process
3516	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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\XVVH3R58 = "C:\\Program Files (x86)\\Mhlp8tp\\userrru.exe"	ipconfig.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3920 set thread context of 3612	3920	cmd.exe	56
PID 3920 set thread context of 3612	3920	cmd.exe	56
PID 2208 set thread context of 3612	2208	ipconfig.exe	56

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Mhlp8tp\userrru.exe	ipconfig.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 6 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	19ed201350af3fc74e718aa9cd63f67f_JaffaCakes118.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	ipconfig.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
2208	ipconfig.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-384068567-2943195810-3631207890-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	ipconfig.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-384068567-2943195810-3631207890-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 50 IoCs

pid	Process
3516	rundll32.exe
3516	rundll32.exe
3920	cmd.exe
3920	cmd.exe
3920	cmd.exe
3920	cmd.exe
3920	cmd.exe
3920	cmd.exe
2208	ipconfig.exe
2208	ipconfig.exe
2208	ipconfig.exe
2208	ipconfig.exe
2208	ipconfig.exe
2208	ipconfig.exe
2208	ipconfig.exe
2208	ipconfig.exe
2208	ipconfig.exe
2208	ipconfig.exe
2208	ipconfig.exe
2208	ipconfig.exe
2208	ipconfig.exe
2208	ipconfig.exe
2208	ipconfig.exe
2208	ipconfig.exe
2208	ipconfig.exe
2208	ipconfig.exe
2208	ipconfig.exe
2208	ipconfig.exe
2208	ipconfig.exe
2208	ipconfig.exe
2208	ipconfig.exe
2208	ipconfig.exe
2208	ipconfig.exe
2208	ipconfig.exe
2208	ipconfig.exe
2208	ipconfig.exe
2208	ipconfig.exe
2208	ipconfig.exe
2208	ipconfig.exe
2208	ipconfig.exe
2208	ipconfig.exe
2208	ipconfig.exe
2208	ipconfig.exe
2208	ipconfig.exe
2208	ipconfig.exe
2208	ipconfig.exe
2208	ipconfig.exe
2208	ipconfig.exe
2208	ipconfig.exe
2208	ipconfig.exe

Suspicious behavior: MapViewOfSection 9 IoCs

pid	Process
3516	rundll32.exe
3516	rundll32.exe
3920	cmd.exe
3920	cmd.exe
3920	cmd.exe
3920	cmd.exe
2208	ipconfig.exe
2208	ipconfig.exe
2208	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 14 IoCs

description	pid	Process
Token: SeDebugPrivilege	3920	cmd.exe
Token: SeDebugPrivilege	2208	ipconfig.exe
Token: SeShutdownPrivilege	3612	Explorer.EXE
Token: SeCreatePagefilePrivilege	3612	Explorer.EXE
Token: SeShutdownPrivilege	3612	Explorer.EXE
Token: SeCreatePagefilePrivilege	3612	Explorer.EXE
Token: SeShutdownPrivilege	3612	Explorer.EXE
Token: SeCreatePagefilePrivilege	3612	Explorer.EXE
Token: SeShutdownPrivilege	3612	Explorer.EXE
Token: SeCreatePagefilePrivilege	3612	Explorer.EXE
Token: SeShutdownPrivilege	3612	Explorer.EXE
Token: SeCreatePagefilePrivilege	3612	Explorer.EXE
Token: SeShutdownPrivilege	3612	Explorer.EXE
Token: SeCreatePagefilePrivilege	3612	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3612	Explorer.EXE

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3788 wrote to memory of 3516	3788	19ed201350af3fc74e718aa9cd63f67f_JaffaCakes118.exe	83
PID 3788 wrote to memory of 3516	3788	19ed201350af3fc74e718aa9cd63f67f_JaffaCakes118.exe	83
PID 3788 wrote to memory of 3516	3788	19ed201350af3fc74e718aa9cd63f67f_JaffaCakes118.exe	83
PID 3516 wrote to memory of 3872	3516	rundll32.exe	85
PID 3516 wrote to memory of 3872	3516	rundll32.exe	85
PID 3516 wrote to memory of 3872	3516	rundll32.exe	85
PID 3516 wrote to memory of 3872	3516	rundll32.exe	85
PID 3516 wrote to memory of 3920	3516	rundll32.exe	86
PID 3516 wrote to memory of 3920	3516	rundll32.exe	86
PID 3516 wrote to memory of 3920	3516	rundll32.exe	86
PID 3516 wrote to memory of 3920	3516	rundll32.exe	86
PID 3516 wrote to memory of 3920	3516	rundll32.exe	86
PID 3516 wrote to memory of 3920	3516	rundll32.exe	86
PID 3516 wrote to memory of 3920	3516	rundll32.exe	86
PID 3516 wrote to memory of 3920	3516	rundll32.exe	86
PID 3516 wrote to memory of 3920	3516	rundll32.exe	86
PID 3516 wrote to memory of 3920	3516	rundll32.exe	86
PID 3516 wrote to memory of 3920	3516	rundll32.exe	86
PID 3516 wrote to memory of 3920	3516	rundll32.exe	86
PID 3516 wrote to memory of 3920	3516	rundll32.exe	86
PID 3516 wrote to memory of 3920	3516	rundll32.exe	86
PID 3516 wrote to memory of 3920	3516	rundll32.exe	86
PID 3516 wrote to memory of 3920	3516	rundll32.exe	86
PID 3516 wrote to memory of 3920	3516	rundll32.exe	86
PID 3516 wrote to memory of 3920	3516	rundll32.exe	86
PID 3516 wrote to memory of 3920	3516	rundll32.exe	86
PID 3516 wrote to memory of 3920	3516	rundll32.exe	86
PID 3516 wrote to memory of 3920	3516	rundll32.exe	86
PID 3516 wrote to memory of 3920	3516	rundll32.exe	86
PID 3516 wrote to memory of 3920	3516	rundll32.exe	86
PID 3516 wrote to memory of 3920	3516	rundll32.exe	86
PID 3516 wrote to memory of 3920	3516	rundll32.exe	86
PID 3516 wrote to memory of 3920	3516	rundll32.exe	86
PID 3516 wrote to memory of 3920	3516	rundll32.exe	86
PID 3516 wrote to memory of 3920	3516	rundll32.exe	86
PID 3516 wrote to memory of 3920	3516	rundll32.exe	86
PID 3516 wrote to memory of 3920	3516	rundll32.exe	86
PID 3516 wrote to memory of 3920	3516	rundll32.exe	86
PID 3516 wrote to memory of 3920	3516	rundll32.exe	86
PID 3516 wrote to memory of 3920	3516	rundll32.exe	86
PID 3516 wrote to memory of 3920	3516	rundll32.exe	86
PID 3516 wrote to memory of 3920	3516	rundll32.exe	86
PID 3516 wrote to memory of 3920	3516	rundll32.exe	86
PID 3516 wrote to memory of 3920	3516	rundll32.exe	86
PID 3516 wrote to memory of 3920	3516	rundll32.exe	86
PID 3516 wrote to memory of 3920	3516	rundll32.exe	86
PID 3516 wrote to memory of 3920	3516	rundll32.exe	86
PID 3516 wrote to memory of 3920	3516	rundll32.exe	86
PID 3516 wrote to memory of 3920	3516	rundll32.exe	86
PID 3516 wrote to memory of 3920	3516	rundll32.exe	86
PID 3516 wrote to memory of 3920	3516	rundll32.exe	86
PID 3516 wrote to memory of 3920	3516	rundll32.exe	86
PID 3516 wrote to memory of 3920	3516	rundll32.exe	86
PID 3516 wrote to memory of 3920	3516	rundll32.exe	86
PID 3516 wrote to memory of 3920	3516	rundll32.exe	86
PID 3516 wrote to memory of 3920	3516	rundll32.exe	86
PID 3516 wrote to memory of 3920	3516	rundll32.exe	86
PID 3516 wrote to memory of 3920	3516	rundll32.exe	86
PID 3516 wrote to memory of 3920	3516	rundll32.exe	86
PID 3516 wrote to memory of 3920	3516	rundll32.exe	86
PID 3516 wrote to memory of 3920	3516	rundll32.exe	86
PID 3516 wrote to memory of 3920	3516	rundll32.exe	86
PID 3516 wrote to memory of 3920	3516	rundll32.exe	86
PID 3516 wrote to memory of 3920	3516	rundll32.exe	86

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3612
- C:\Users\Admin\AppData\Local\Temp\19ed201350af3fc74e718aa9cd63f67f_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\19ed201350af3fc74e718aa9cd63f67f_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3788
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe Conservatory,Piggins
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:3516
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe"
      4⤵
      PID:3872
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe"
      4⤵
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:3920
    - - C:\Windows\SysWOW64\ipconfig.exe
        
        "C:\Windows\SysWOW64\ipconfig.exe"
        5⤵
        Adds Run key to start application
        Suspicious use of SetThreadContext
        Drops file in Program Files directory
        System Location Discovery: System Language Discovery
        Gathers network information
        Modifies Internet Explorer settings
        Suspicious behavior: EnumeratesProcesses
        Suspicious behavior: MapViewOfSection
        Suspicious use of AdjustPrivilegeToken
        
        PID:2208
      - C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Windows\SysWOW64\cmd.exe"
        6⤵
        System Location Discovery: System Language Discovery
        
        PID:3276
      - C:\Windows\SysWOW64\cmd.exe
        
        /c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
        6⤵
        System Location Discovery: System Language Discovery
        
        PID:3024
      - C:\Program Files\Mozilla Firefox\Firefox.exe
        
        "C:\Program Files\Mozilla Firefox\Firefox.exe"
        6⤵
        
        PID:2092
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:544
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:4552
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:3296
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:3692
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:4136
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:4504

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

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\Bortsch

Filesize
230KB

MD5
693d13c6d9eb9ff73b44a56f220f2487

SHA1
51642fe17d814335bdb41c88f9e9278a26c78133

SHA256
b4925e65222f24e02669f2497e43d6a969a19aa15174bee95c385d1c9ac0424e

SHA512
b9fa543b8ef279479c920bf9e121d34b5bf927d81e832b6c10f2ee4085d9698618d8863efdff498c9704dd2aa108df439d1249d4c284a90202f55d7a9cbbf507

Download Submit
C:\Users\Admin\AppData\Local\Temp\Conservatory.DLL

Filesize
43KB

MD5
255c2887e6b5f9756a9a473952e0807a

SHA1
b13718feb8e932e6a59d76a9984fa043d6f7826b

SHA256
0a5e2d346b9e7296275bf79fbda56cfc21a8af540b836dba04df1b6270bfe2c3

SHA512
e45ee410d61639ea098c9d8f831126d62cb67144834e6da6bab5c929cc8fe7a92493ef8a0c83c73b19942540318598987214c6b3377d6959425a91d269527823

Download Submit
C:\Users\Admin\AppData\Local\Temp\DB1

Filesize
40KB

MD5
a182561a527f929489bf4b8f74f65cd7

SHA1
8cd6866594759711ea1836e86a5b7ca64ee8911f

SHA256
42aad7886965428a941508b776a666a4450eb658cb90e80fae1e7457fc71f914

SHA512
9bc3bf5a82f6f057e873adebd5b7a4c64adef966537ab9c565fe7c4bb3582e2e485ff993d5ab8a6002363231958fabd0933b48811371b8c155eaa74592b66558

Download Submit
memory/2208-54-0x0000000000F00000-0x0000000000F0B000-memory.dmp

Filesize
44KB

Download
memory/3516-48-0x0000000074650000-0x0000000074718000-memory.dmp

Filesize
800KB

Download
memory/3516-45-0x0000000074650000-0x0000000074718000-memory.dmp

Filesize
800KB

Download
memory/3516-46-0x0000000076FA0000-0x0000000077003000-memory.dmp

Filesize
396KB

Download
memory/3516-44-0x0000000000F90000-0x0000000000F93000-memory.dmp

Filesize
12KB

Download
memory/3612-61-0x00000000091E0000-0x0000000009313000-memory.dmp

Filesize
1.2MB

Download
memory/3920-47-0x0000000000D20000-0x0000000000D26000-memory.dmp

Filesize
24KB

Download
memory/3920-50-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3920-52-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3920-53-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download