formbook | 23a8568003768b2f4e2fc3bd47a6d6d054c11ce622737d27df4c4f1bb0c28146

Analysis

max time kernel
150s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
10/08/2026, 15:11

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General

Target
23a8568003768b2f4e2fc3bd47a6d6d054c11ce622737d27df4c4f1bb0c28146.exe
Size 277KB
Sample260810-skvyvaw1ev
SHA256 23a8568003768b2f4e2fc3bd47a6d6d054c11ce622737d27df4c4f1bb0c28146
MD5 e21fe731e011bcf0a181f2c894da220b
SHA1 11af95f07370e84620ebb8d0feca1920035bf3f7
SHA512 094d8866a62f01fe4c5224fbf50c40f96548fc7b98aff887ba1360ab133ddd865504b197b30e88474b1256d42110bef3c70ecd72c5528d875fe80f5cb60f5462
SSDEEP 6144:rZ1jy/W6CdFAe6+RL7BD2x+K2rvF4OkJnp3D2sVAATmoAAx/XQLc:zjy/WMe6+RlvVkZQEAUmoZ/XQLc
TLSH
T14F542306EBD391F6CDA08031D6CE15A609BF5C75E3D5F80B3B81A6CC8B752BA1E99350
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/4260-2-0x0000000001110000-0x0000000001156000-memory.dmp	family_formbook

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2820	4260	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	23a8568003768b2f4e2fc3bd47a6d6d054c11ce622737d27df4c4f1bb0c28146.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
4260	23a8568003768b2f4e2fc3bd47a6d6d054c11ce622737d27df4c4f1bb0c28146.exe

C:\Users\Admin\AppData\Local\Temp\23a8568003768b2f4e2fc3bd47a6d6d054c11ce622737d27df4c4f1bb0c28146.exe
"C:\Users\Admin\AppData\Local\Temp\23a8568003768b2f4e2fc3bd47a6d6d054c11ce622737d27df4c4f1bb0c28146.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:4260
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4260 -s 260
  2⤵
  - Program crash
  PID:2820

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4260 -ip 4260
1⤵
PID:4308

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

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Downloads

memory/4260-0-0x0000000001110000-0x0000000001156000-memory.dmp

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memory/4260-1-0x0000000001760000-0x0000000001AD4000-memory.dmp

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memory/4260-2-0x0000000001110000-0x0000000001156000-memory.dmp

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