formbook | 18d42895a0a37161199e0f3da093cb3057f71a608866a3d3284c83a7b90dbf81

Analysis

max time kernel
149s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-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 discovery 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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/1716-50-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/1716-53-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/1716-58-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Loads dropped DLL 1 IoCs

pid	Process
2252	rundll32.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1716 set thread context of 1248	1716	cmd.exe	21
PID 1716 set thread context of 1248	1716	cmd.exe	21
PID 2504 set thread context of 1248	2504	wuapp.exe	21

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 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	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	wuapp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 26 IoCs

pid	Process
2252	rundll32.exe
1716	cmd.exe
1716	cmd.exe
1716	cmd.exe
2504	wuapp.exe
2504	wuapp.exe
2504	wuapp.exe
2504	wuapp.exe
2504	wuapp.exe
2504	wuapp.exe
2504	wuapp.exe
2504	wuapp.exe
2504	wuapp.exe
2504	wuapp.exe
2504	wuapp.exe
2504	wuapp.exe
2504	wuapp.exe
2504	wuapp.exe
2504	wuapp.exe
2504	wuapp.exe
2504	wuapp.exe
2504	wuapp.exe
2504	wuapp.exe
2504	wuapp.exe
2504	wuapp.exe
2504	wuapp.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
2252	rundll32.exe
1716	cmd.exe
1716	cmd.exe
1716	cmd.exe
1716	cmd.exe
2504	wuapp.exe
2504	wuapp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1716	cmd.exe
Token: SeDebugPrivilege	2504	wuapp.exe

Suspicious use of WriteProcessMemory 53 IoCs

description	pid	Process	procid_target
PID 2324 wrote to memory of 2252	2324	19ed201350af3fc74e718aa9cd63f67f_JaffaCakes118.exe	28
PID 2324 wrote to memory of 2252	2324	19ed201350af3fc74e718aa9cd63f67f_JaffaCakes118.exe	28
PID 2324 wrote to memory of 2252	2324	19ed201350af3fc74e718aa9cd63f67f_JaffaCakes118.exe	28
PID 2324 wrote to memory of 2252	2324	19ed201350af3fc74e718aa9cd63f67f_JaffaCakes118.exe	28
PID 2324 wrote to memory of 2252	2324	19ed201350af3fc74e718aa9cd63f67f_JaffaCakes118.exe	28
PID 2324 wrote to memory of 2252	2324	19ed201350af3fc74e718aa9cd63f67f_JaffaCakes118.exe	28
PID 2324 wrote to memory of 2252	2324	19ed201350af3fc74e718aa9cd63f67f_JaffaCakes118.exe	28
PID 2252 wrote to memory of 1716	2252	rundll32.exe	29
PID 2252 wrote to memory of 1716	2252	rundll32.exe	29
PID 2252 wrote to memory of 1716	2252	rundll32.exe	29
PID 2252 wrote to memory of 1716	2252	rundll32.exe	29
PID 2252 wrote to memory of 1716	2252	rundll32.exe	29
PID 2252 wrote to memory of 1716	2252	rundll32.exe	29
PID 2252 wrote to memory of 1716	2252	rundll32.exe	29
PID 2252 wrote to memory of 1716	2252	rundll32.exe	29
PID 2252 wrote to memory of 1716	2252	rundll32.exe	29
PID 2252 wrote to memory of 1716	2252	rundll32.exe	29
PID 2252 wrote to memory of 1716	2252	rundll32.exe	29
PID 2252 wrote to memory of 1716	2252	rundll32.exe	29
PID 2252 wrote to memory of 1716	2252	rundll32.exe	29
PID 2252 wrote to memory of 1716	2252	rundll32.exe	29
PID 2252 wrote to memory of 1716	2252	rundll32.exe	29
PID 2252 wrote to memory of 1716	2252	rundll32.exe	29
PID 2252 wrote to memory of 1716	2252	rundll32.exe	29
PID 2252 wrote to memory of 1716	2252	rundll32.exe	29
PID 2252 wrote to memory of 1716	2252	rundll32.exe	29
PID 2252 wrote to memory of 1716	2252	rundll32.exe	29
PID 2252 wrote to memory of 1716	2252	rundll32.exe	29
PID 2252 wrote to memory of 1716	2252	rundll32.exe	29
PID 2252 wrote to memory of 1716	2252	rundll32.exe	29
PID 2252 wrote to memory of 1716	2252	rundll32.exe	29
PID 2252 wrote to memory of 1716	2252	rundll32.exe	29
PID 2252 wrote to memory of 1716	2252	rundll32.exe	29
PID 2252 wrote to memory of 1716	2252	rundll32.exe	29
PID 2252 wrote to memory of 1716	2252	rundll32.exe	29
PID 2252 wrote to memory of 1716	2252	rundll32.exe	29
PID 2252 wrote to memory of 1716	2252	rundll32.exe	29
PID 2252 wrote to memory of 1716	2252	rundll32.exe	29
PID 2252 wrote to memory of 1716	2252	rundll32.exe	29
PID 2252 wrote to memory of 1716	2252	rundll32.exe	29
PID 2252 wrote to memory of 1716	2252	rundll32.exe	29
PID 2252 wrote to memory of 1716	2252	rundll32.exe	29
PID 1716 wrote to memory of 2504	1716	cmd.exe	40
PID 1716 wrote to memory of 2504	1716	cmd.exe	40
PID 1716 wrote to memory of 2504	1716	cmd.exe	40
PID 1716 wrote to memory of 2504	1716	cmd.exe	40
PID 1716 wrote to memory of 2504	1716	cmd.exe	40
PID 1716 wrote to memory of 2504	1716	cmd.exe	40
PID 1716 wrote to memory of 2504	1716	cmd.exe	40
PID 2504 wrote to memory of 2556	2504	wuapp.exe	41
PID 2504 wrote to memory of 2556	2504	wuapp.exe	41
PID 2504 wrote to memory of 2556	2504	wuapp.exe	41
PID 2504 wrote to memory of 2556	2504	wuapp.exe	41

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1248
- 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:2324
- - 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:2252
  - - 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
      Suspicious use of WriteProcessMemory
      PID:1716
    - - C:\Windows\SysWOW64\autofmt.exe
        
        "C:\Windows\SysWOW64\autofmt.exe"
        5⤵
        
        PID:2416
    - - C:\Windows\SysWOW64\autofmt.exe
        
        "C:\Windows\SysWOW64\autofmt.exe"
        5⤵
        
        PID:2620
    - - C:\Windows\SysWOW64\autofmt.exe
        
        "C:\Windows\SysWOW64\autofmt.exe"
        5⤵
        
        PID:2532
    - - C:\Windows\SysWOW64\autofmt.exe
        
        "C:\Windows\SysWOW64\autofmt.exe"
        5⤵
        
        PID:2256
    - - C:\Windows\SysWOW64\autofmt.exe
        
        "C:\Windows\SysWOW64\autofmt.exe"
        5⤵
        
        PID:2540
    - - C:\Windows\SysWOW64\autofmt.exe
        
        "C:\Windows\SysWOW64\autofmt.exe"
        5⤵
        
        PID:2656
    - - C:\Windows\SysWOW64\autofmt.exe
        
        "C:\Windows\SysWOW64\autofmt.exe"
        5⤵
        
        PID:2488
    - - C:\Windows\SysWOW64\autofmt.exe
        
        "C:\Windows\SysWOW64\autofmt.exe"
        5⤵
        
        PID:2496
    - - C:\Windows\SysWOW64\wuapp.exe
        
        "C:\Windows\SysWOW64\wuapp.exe"
        5⤵
        Suspicious use of SetThreadContext
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious behavior: MapViewOfSection
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:2504
      - C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Windows\SysWOW64\cmd.exe"
        6⤵
        System Location Discovery: System Language Discovery
        
        PID:2556

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

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
memory/1248-60-0x00000000052F0000-0x0000000005417000-memory.dmp

Filesize
1.2MB

Download
memory/1248-57-0x00000000051B0000-0x00000000052EA000-memory.dmp

Filesize
1.2MB

Download
memory/1248-55-0x00000000051B0000-0x00000000052EA000-memory.dmp

Filesize
1.2MB

Download
memory/1716-51-0x00000000022B0000-0x00000000025B3000-memory.dmp

Filesize
3.0MB

Download
memory/1716-50-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1716-47-0x0000000000090000-0x0000000000096000-memory.dmp

Filesize
24KB

Download
memory/1716-53-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1716-54-0x0000000000170000-0x0000000000184000-memory.dmp

Filesize
80KB

Download
memory/1716-59-0x00000000001B0000-0x00000000001C4000-memory.dmp

Filesize
80KB

Download
memory/1716-58-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2252-48-0x00000000744A0000-0x00000000744F8000-memory.dmp

Filesize
352KB

Download
memory/2252-46-0x0000000076270000-0x00000000762A5000-memory.dmp

Filesize
212KB

Download
memory/2252-45-0x00000000744A0000-0x00000000744F8000-memory.dmp

Filesize
352KB

Download
memory/2252-44-0x0000000000100000-0x0000000000103000-memory.dmp

Filesize
12KB

Download
memory/2504-62-0x0000000001160000-0x000000000116B000-memory.dmp

Filesize
44KB

Download
memory/2504-61-0x0000000001160000-0x000000000116B000-memory.dmp

Filesize
44KB

Download