formbook | 3a10c525b2f0a94e7e9facfa4685490e9a46d0d6a62be53f570fa845cd680c56

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
03-06-2024 02:52

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General

Target

904fd496b076d10ab4fc547559b5d0b4_JaffaCakes118.exe
Size

576KB
MD5

904fd496b076d10ab4fc547559b5d0b4
SHA1

b8e8a890eb523e786793e95a305d319632a60e87
SHA256

3a10c525b2f0a94e7e9facfa4685490e9a46d0d6a62be53f570fa845cd680c56
SHA512

3c5f5ca06c0eb27ba1156d8ca3c9d7de23d3383cf8be2bd941bba14b22d81d7142a96c344941f006a82af80f617ee6680a090e56726ad2046580d2ed9374e8c2
SSDEEP

12288:EanbtiNPkq2Nu/RXNV74UlGpVXG455ihwSREfCYCNl2SSDlrgCemY87zvL:ztm8TN8oV2+UwrfCzNlkDl8S77zj

Score

10^/10

formbook c232 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

c232

Decoy

tangdourenfz.com

helpforkids.today

bioethanol-us.com

0351zc.com

3rdimultimedia.com

thecannibisconnection.net

mktoob.net

orchidinvestmentlimited.com

moccustoms.com

shopendora.com

rosariosandino.com

bien-vivre-tunisie.com

godofgreens.com

nhathuocphuongle.com

thefastsource.com

viagra2tadalafil.com

abarroteslacanasta.com

versabiosciences.com

nergiztarimhayvancilik.com

airpodsbayi.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/2660-50-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/2660-53-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Loads dropped DLL 1 IoCs

Processes:

rundll32.exe

pid process

2716 rundll32.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2524 2660 WerFault.exe cmd.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

rundll32.execmd.exe

pid process

2716 rundll32.exe
2660 cmd.exe
2660 cmd.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

rundll32.execmd.exe

pid process

2716 rundll32.exe
2660 cmd.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

cmd.exe

description pid process

Token: SeDebugPrivilege 2660 cmd.exe

pid	process
2716	rundll32.exe

pid	pid_target	process	target process
2524	2660	WerFault.exe	cmd.exe

pid	process
2716	rundll32.exe
2660	cmd.exe
2660	cmd.exe

pid	process
2716	rundll32.exe
2660	cmd.exe

description	pid	process
Token: SeDebugPrivilege	2660	cmd.exe

Suspicious use of WriteProcessMemory 46 IoCs

Processes:

904fd496b076d10ab4fc547559b5d0b4_JaffaCakes118.exerundll32.execmd.exe

description	pid	process	target process
PID 1680 wrote to memory of 2716	1680	904fd496b076d10ab4fc547559b5d0b4_JaffaCakes118.exe	rundll32.exe
PID 1680 wrote to memory of 2716	1680	904fd496b076d10ab4fc547559b5d0b4_JaffaCakes118.exe	rundll32.exe
PID 1680 wrote to memory of 2716	1680	904fd496b076d10ab4fc547559b5d0b4_JaffaCakes118.exe	rundll32.exe
PID 1680 wrote to memory of 2716	1680	904fd496b076d10ab4fc547559b5d0b4_JaffaCakes118.exe	rundll32.exe
PID 1680 wrote to memory of 2716	1680	904fd496b076d10ab4fc547559b5d0b4_JaffaCakes118.exe	rundll32.exe
PID 1680 wrote to memory of 2716	1680	904fd496b076d10ab4fc547559b5d0b4_JaffaCakes118.exe	rundll32.exe
PID 1680 wrote to memory of 2716	1680	904fd496b076d10ab4fc547559b5d0b4_JaffaCakes118.exe	rundll32.exe
PID 2716 wrote to memory of 2660	2716	rundll32.exe	cmd.exe
PID 2716 wrote to memory of 2660	2716	rundll32.exe	cmd.exe
PID 2716 wrote to memory of 2660	2716	rundll32.exe	cmd.exe
PID 2716 wrote to memory of 2660	2716	rundll32.exe	cmd.exe
PID 2716 wrote to memory of 2660	2716	rundll32.exe	cmd.exe
PID 2716 wrote to memory of 2660	2716	rundll32.exe	cmd.exe
PID 2716 wrote to memory of 2660	2716	rundll32.exe	cmd.exe
PID 2716 wrote to memory of 2660	2716	rundll32.exe	cmd.exe
PID 2716 wrote to memory of 2660	2716	rundll32.exe	cmd.exe
PID 2716 wrote to memory of 2660	2716	rundll32.exe	cmd.exe
PID 2716 wrote to memory of 2660	2716	rundll32.exe	cmd.exe
PID 2716 wrote to memory of 2660	2716	rundll32.exe	cmd.exe
PID 2716 wrote to memory of 2660	2716	rundll32.exe	cmd.exe
PID 2716 wrote to memory of 2660	2716	rundll32.exe	cmd.exe
PID 2716 wrote to memory of 2660	2716	rundll32.exe	cmd.exe
PID 2716 wrote to memory of 2660	2716	rundll32.exe	cmd.exe
PID 2716 wrote to memory of 2660	2716	rundll32.exe	cmd.exe
PID 2716 wrote to memory of 2660	2716	rundll32.exe	cmd.exe
PID 2716 wrote to memory of 2660	2716	rundll32.exe	cmd.exe
PID 2716 wrote to memory of 2660	2716	rundll32.exe	cmd.exe
PID 2716 wrote to memory of 2660	2716	rundll32.exe	cmd.exe
PID 2716 wrote to memory of 2660	2716	rundll32.exe	cmd.exe
PID 2716 wrote to memory of 2660	2716	rundll32.exe	cmd.exe
PID 2716 wrote to memory of 2660	2716	rundll32.exe	cmd.exe
PID 2716 wrote to memory of 2660	2716	rundll32.exe	cmd.exe
PID 2716 wrote to memory of 2660	2716	rundll32.exe	cmd.exe
PID 2716 wrote to memory of 2660	2716	rundll32.exe	cmd.exe
PID 2716 wrote to memory of 2660	2716	rundll32.exe	cmd.exe
PID 2716 wrote to memory of 2660	2716	rundll32.exe	cmd.exe
PID 2716 wrote to memory of 2660	2716	rundll32.exe	cmd.exe
PID 2716 wrote to memory of 2660	2716	rundll32.exe	cmd.exe
PID 2716 wrote to memory of 2660	2716	rundll32.exe	cmd.exe
PID 2716 wrote to memory of 2660	2716	rundll32.exe	cmd.exe
PID 2716 wrote to memory of 2660	2716	rundll32.exe	cmd.exe
PID 2716 wrote to memory of 2660	2716	rundll32.exe	cmd.exe
PID 2660 wrote to memory of 2524	2660	cmd.exe	WerFault.exe
PID 2660 wrote to memory of 2524	2660	cmd.exe	WerFault.exe
PID 2660 wrote to memory of 2524	2660	cmd.exe	WerFault.exe
PID 2660 wrote to memory of 2524	2660	cmd.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\904fd496b076d10ab4fc547559b5d0b4_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\904fd496b076d10ab4fc547559b5d0b4_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1680
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe Conservatory,Piggins
  2⤵
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2716
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2660
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2660 -s 208
      4⤵
      Program crash
      PID:2524

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Bortsch

Filesize
328KB

MD5
0a1abca59ff51574b3ce8e0e9778314d

SHA1
c0d93d6c842297c70581a591b6a7809294749f69

SHA256
fb0c43ea5b29f44aedf038dc5f0dbe25f9678b726cbeb98b7326cb6c54fceaaa

SHA512
678acd9c8e999013238054e8bd771bc07f9c226d7d06b57544b6528cd7adee0f7265d16b2fc74a23c9444096a1fd793a94588d7afdfd71d76308a8acc6d25e2f

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

Filesize
43KB

MD5
255c2887e6b5f9756a9a473952e0807a

SHA1
b13718feb8e932e6a59d76a9984fa043d6f7826b

SHA256
0a5e2d346b9e7296275bf79fbda56cfc21a8af540b836dba04df1b6270bfe2c3

SHA512
e45ee410d61639ea098c9d8f831126d62cb67144834e6da6bab5c929cc8fe7a92493ef8a0c83c73b19942540318598987214c6b3377d6959425a91d269527823

Download Submit
memory/2660-47-0x0000000000090000-0x0000000000096000-memory.dmp

Filesize
24KB

Download
memory/2660-50-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2660-52-0x0000000002160000-0x0000000002463000-memory.dmp

Filesize
3.0MB

Download
memory/2660-53-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2716-44-0x00000000000C0000-0x00000000000C3000-memory.dmp

Filesize
12KB

Download
memory/2716-45-0x0000000074700000-0x0000000074758000-memory.dmp

Filesize
352KB

Download
memory/2716-46-0x0000000076CC0000-0x0000000076CF5000-memory.dmp

Filesize
212KB

Download
memory/2716-48-0x0000000074700000-0x0000000074758000-memory.dmp

Filesize
352KB

Download