formbook | 4e953e5a71ebeac5869f9529fddfa9830eab334596139bba993df620523e8b2f

Analysis

max time kernel
51s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
27-12-2024 00:22

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General

Target

Facturas Pagadas.exe
Size

536KB
MD5

ad3b7a36fc62bf369b5c563d2b5db945
SHA1

3e43c14f9e010f1bcdcce6618f9ca5503de08579
SHA256

af0af3ebf3ac231ad77dbe4cbfa0fb2d48312d4ca0b5431081046ab09aa3b552
SHA512

2de28e6d8dff912a57e958ddeea51876cbd10e448221807837b6ba6a592acc70434d3be7f1695e3651ea6c2483d0cb3220be96f5e93b1be3f5234b1e5060e811
SSDEEP

12288:9IdemtiK5oBfZQElcqE+RqFoVnQ1PSYNsEOmuBE6rp:V+FoBfDcqE+4FInqPSzmf6rp

Score

10^/10

formbook g4m1 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

g4m1

Decoy

detect-guide.fyi

ethmetaverse.info

21centmasks.com

statemint.network

decowonderland.com

phairrealty.com

drhillda.com

wir-koennen-gesund.info

m-cloudplatform.com

baduapp.site

trydextrus.com

unlimiteddecorations.com

zagfundraisong.com

gaincapita.com

przemekkulik.online

joshwiliam.online

k8worldcup94.com

soobanhaider.com

dein-hochzeitsladen.com

chirpvision.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
behavioral1/memory/2904-13-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 972 set thread context of 2904	972	Facturas Pagadas.exe	30

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2744	2904	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 2 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	Facturas Pagadas.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Facturas Pagadas.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 972 wrote to memory of 2904	972	Facturas Pagadas.exe	30
PID 972 wrote to memory of 2904	972	Facturas Pagadas.exe	30
PID 972 wrote to memory of 2904	972	Facturas Pagadas.exe	30
PID 972 wrote to memory of 2904	972	Facturas Pagadas.exe	30
PID 972 wrote to memory of 2904	972	Facturas Pagadas.exe	30
PID 972 wrote to memory of 2904	972	Facturas Pagadas.exe	30
PID 972 wrote to memory of 2904	972	Facturas Pagadas.exe	30
PID 2904 wrote to memory of 2744	2904	Facturas Pagadas.exe	31
PID 2904 wrote to memory of 2744	2904	Facturas Pagadas.exe	31
PID 2904 wrote to memory of 2744	2904	Facturas Pagadas.exe	31
PID 2904 wrote to memory of 2744	2904	Facturas Pagadas.exe	31

C:\Users\Admin\AppData\Local\Temp\Facturas Pagadas.exe
"C:\Users\Admin\AppData\Local\Temp\Facturas Pagadas.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:972
- C:\Users\Admin\AppData\Local\Temp\Facturas Pagadas.exe
  "C:\Users\Admin\AppData\Local\Temp\Facturas Pagadas.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2904
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2904 -s 36
    3⤵
    - Program crash
    PID:2744

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/972-6-0x0000000004F50000-0x0000000004FB8000-memory.dmp

Filesize
416KB

Download
memory/972-1-0x0000000000880000-0x000000000090C000-memory.dmp

Filesize
560KB

Download
memory/972-2-0x0000000000410000-0x0000000000432000-memory.dmp

Filesize
136KB

Download
memory/972-3-0x0000000074D40000-0x000000007542E000-memory.dmp

Filesize
6.9MB

Download
memory/972-4-0x0000000074D4E000-0x0000000074D4F000-memory.dmp

Filesize
4KB

Download
memory/972-5-0x0000000074D40000-0x000000007542E000-memory.dmp

Filesize
6.9MB

Download
memory/972-0-0x0000000074D4E000-0x0000000074D4F000-memory.dmp

Filesize
4KB

Download
memory/972-7-0x0000000002030000-0x0000000002066000-memory.dmp

Filesize
216KB

Download
memory/972-14-0x0000000074D40000-0x000000007542E000-memory.dmp

Filesize
6.9MB

Download
memory/2904-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2904-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2904-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2904-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download