formbook | dc5ced17f0c85fef8a1fa466796a84fb83592eb7c8a86302d9b0cc9e5837c140

Analysis

max time kernel
148s
max time network
128s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
24/07/2026, 17:10

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
dc5ced17f0c85fef8a1fa466796a84fb83592eb7c8a86302d9b0cc9e5837c140.exe
Size 280KB
Sample260724-vpyxeahj5v
SHA256 dc5ced17f0c85fef8a1fa466796a84fb83592eb7c8a86302d9b0cc9e5837c140
MD5 077bb61e9d3cc382319c34388faf2065
SHA1 0b93ef56795109dce8b398912f0d1e10905bfb23
SHA512 e10bf163f78afe41a1df6d78fb1da4aeee5497d7a6cb07b99cb6158f7cf5cf88c67e4cb897ef406004743dbc4fe00e07deb769daea4dd2580ef97afd0bc989de
SSDEEP 6144:CUfKmLz6X0pW29zRRVbFZH0QqhtCnuJv18w7wV6PSsrbsT:bKmLzjQ4FcNUa18mwV6PzAT
TLSH
T1F05412AA9702319FD14F6A32DDF68231BE1C7AF559DAA80BE3910F4B3209CE4B341755
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery formbook rat spyware stealer trojan

Malware Config

Signatures

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

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral2/memory/4220-2-0x0000000000B20000-0x0000000000B66000-memory.dmp	family_formbook

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4244	4220	WerFault.exe	87

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	dc5ced17f0c85fef8a1fa466796a84fb83592eb7c8a86302d9b0cc9e5837c140.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
4220	dc5ced17f0c85fef8a1fa466796a84fb83592eb7c8a86302d9b0cc9e5837c140.exe

C:\Users\Admin\AppData\Local\Temp\dc5ced17f0c85fef8a1fa466796a84fb83592eb7c8a86302d9b0cc9e5837c140.exe
"C:\Users\Admin\AppData\Local\Temp\dc5ced17f0c85fef8a1fa466796a84fb83592eb7c8a86302d9b0cc9e5837c140.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:4220
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4220 -s 264
  2⤵
  - Program crash
  PID:4244

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4220 -ip 4220
1⤵
PID:4248

Network

MITRE ATT&CK Enterprise v16

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

Loading Replay Monitor...

Downloads

memory/4220-0-0x0000000000B20000-0x0000000000B66000-memory.dmp

Download

memory/4220-1-0x0000000000EF0000-0x0000000001264000-memory.dmp

Download

memory/4220-2-0x0000000000B20000-0x0000000000B66000-memory.dmp

Download