formbook | ff8236a838496d7e7ae1363fd45db6207023f6d8fc26a7ddaf2f1f4f40d2397c

Analysis

max time kernel
93s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05-01-2025 20:41

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General

Target

JaffaCakes118_bc953f7124b6516cd04745d9cc61ebd3.exe
Size

415KB
MD5

bc953f7124b6516cd04745d9cc61ebd3
SHA1

ad0d175d506fdbee2009bcdbb7bfb4fe69845a1b
SHA256

ff8236a838496d7e7ae1363fd45db6207023f6d8fc26a7ddaf2f1f4f40d2397c
SHA512

72ac670af019bec185c4e6dfef1aed408e6ee55afcb4d07b50713ff608e0809bb6555caee8ddc5c924afaa7ba1fe8462ce333518aa0a00dbff2a5cae563495c3
SSDEEP

12288:41ysw08Vj3I2mzOC1BkPeriPswLfBCCMqP+:41I0baIB32kwLoqm

Score

10^/10

formbook h0gd discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

h0gd

Decoy

hispansud.com

sanslisin156.com

izmediajo.com

fukugyo-kuchicomi.net

zjzmkj.net

powerupinnovations.com

unigradecuracao.net

inspirasimagz.com

isaacnqwilliams.store

john316graphics.net

wcparadise.net

trejoblanco.com

100x100cultura.com

beedivinehomedecor.com

polant.xyz

ascrete.com

www23855.com

emmagx.com

rekotalent.biz

fersamultiservicios.com

Signatures

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

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral2/memory/3648-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 548 set thread context of 3648	548	JaffaCakes118_bc953f7124b6516cd04745d9cc61ebd3.exe	98

System Location Discovery: System Language Discovery 1 TTPs 1 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	JaffaCakes118_bc953f7124b6516cd04745d9cc61ebd3.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3648	JaffaCakes118_bc953f7124b6516cd04745d9cc61ebd3.exe
3648	JaffaCakes118_bc953f7124b6516cd04745d9cc61ebd3.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 548 wrote to memory of 3648	548	JaffaCakes118_bc953f7124b6516cd04745d9cc61ebd3.exe	98
PID 548 wrote to memory of 3648	548	JaffaCakes118_bc953f7124b6516cd04745d9cc61ebd3.exe	98
PID 548 wrote to memory of 3648	548	JaffaCakes118_bc953f7124b6516cd04745d9cc61ebd3.exe	98
PID 548 wrote to memory of 3648	548	JaffaCakes118_bc953f7124b6516cd04745d9cc61ebd3.exe	98
PID 548 wrote to memory of 3648	548	JaffaCakes118_bc953f7124b6516cd04745d9cc61ebd3.exe	98
PID 548 wrote to memory of 3648	548	JaffaCakes118_bc953f7124b6516cd04745d9cc61ebd3.exe	98

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bc953f7124b6516cd04745d9cc61ebd3.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bc953f7124b6516cd04745d9cc61ebd3.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:548
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bc953f7124b6516cd04745d9cc61ebd3.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bc953f7124b6516cd04745d9cc61ebd3.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3648

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/548-6-0x00000000061F0000-0x000000000628C000-memory.dmp

Filesize
624KB

Download
memory/548-0-0x0000000074B8E000-0x0000000074B8F000-memory.dmp

Filesize
4KB

Download
memory/548-2-0x0000000005540000-0x0000000005AE4000-memory.dmp

Filesize
5.6MB

Download
memory/548-3-0x0000000004F90000-0x0000000005022000-memory.dmp

Filesize
584KB

Download
memory/548-4-0x0000000004F20000-0x0000000004F2A000-memory.dmp

Filesize
40KB

Download
memory/548-5-0x0000000074B80000-0x0000000075330000-memory.dmp

Filesize
7.7MB

Download
memory/548-1-0x0000000000500000-0x000000000056E000-memory.dmp

Filesize
440KB

Download
memory/548-7-0x00000000050E0000-0x00000000050EE000-memory.dmp

Filesize
56KB

Download
memory/548-10-0x00000000066C0000-0x0000000006718000-memory.dmp

Filesize
352KB

Download
memory/548-9-0x0000000074B80000-0x0000000075330000-memory.dmp

Filesize
7.7MB

Download
memory/548-8-0x0000000074B8E000-0x0000000074B8F000-memory.dmp

Filesize
4KB

Download
memory/548-13-0x0000000074B80000-0x0000000075330000-memory.dmp

Filesize
7.7MB

Download
memory/3648-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3648-14-0x00000000014D0000-0x000000000181A000-memory.dmp

Filesize
3.3MB

Download