formbook | 2968dbd64af4b7668158b729f043c71b653bec1d5e4c965359bbc662a4cd3fda

Analysis

max time kernel
149s
max time network
44s
platform
windows10-2004_x64
resource
win10v2004-20251016-en
resource tags

arch:x64arch:x86image:win10v2004-20251016-enlocale:en-usos:windows10-2004-x64system
submitted
06/11/2025, 05:15

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General

Target
Purchase Order.exe
Size 1.2MB
Sample251106-fxqtfaew5f
SHA256 2968dbd64af4b7668158b729f043c71b653bec1d5e4c965359bbc662a4cd3fda
MD5 450b2c1de23060168de9df437e260e04
SHA1 b3b1fcd956071d35b3f6a45ae059033b429f1479
SHA512 1ec4f82a81804827733570f118c1cee71b707a07b7dc4bfa8db18306d5719c844303be3172837de5021ceab45e8e5783d7581d5c2e93095829590f75d5953871
SSDEEP 24576:4tb20pkaCqT5TBWgNQ7afRCwW1k7vp4RkDAOSK6A:BVg5tQ7afwwNQmx5
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

discovery formbook rat spyware stealer trojan

Malware Config

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/2368-17-0x0000000000400000-0x0000000000448000-memory.dmp	family_formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4344 set thread context of 2368	4344	Purchase Order.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	Purchase Order.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2368	svchost.exe
2368	svchost.exe
2368	svchost.exe
2368	svchost.exe
2368	svchost.exe
2368	svchost.exe
2368	svchost.exe
2368	svchost.exe
2368	svchost.exe
2368	svchost.exe
2368	svchost.exe
2368	svchost.exe
2368	svchost.exe
2368	svchost.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4344	Purchase Order.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4344	Purchase Order.exe
4344	Purchase Order.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
4344	Purchase Order.exe
4344	Purchase Order.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4344 wrote to memory of 2368	4344	Purchase Order.exe	87
PID 4344 wrote to memory of 2368	4344	Purchase Order.exe	87
PID 4344 wrote to memory of 2368	4344	Purchase Order.exe	87
PID 4344 wrote to memory of 2368	4344	Purchase Order.exe	87

C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4344
- C:\Windows\SysWOW64\svchost.exe
  "C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2368

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

autD504.tmp

Path C:\Users\Admin\AppData\Local\Temp\autD504.tmp
Size 287KB
SHA256 9fdde3500bcbdf6f9afd8268469ec5c6d5c97e118605df494f765e495447a7b5
MD5 65987a8c3cca02d47a07120444ed7874
SHA1 cc08db7438b3aa6a841f9de7aeeebc290e0794f8
SHA512 9c23f108190ae14ad0e3d4b602e5d4180df6d785813aee3b2df04e64a3eb27814eb57cd018734c0f6d36a230d49adb403c9577de0294bdfb2d780bb9945f6e07
SSDEEP 6144:npZElSQn8noiCQVPPg1lIT4zvAMSSttePTqQ8SVaKYWZADZzTM:pZsnwoiCQZPilo4zvAMVq0SzAxg
MD5 SHA1 SHA512 SSDEEP

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memory/2368-13-0x0000000000400000-0x0000000000448000-memory.dmp

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memory/2368-14-0x0000000000400000-0x0000000000448000-memory.dmp

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memory/2368-15-0x0000000001800000-0x0000000001B4A000-memory.dmp

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memory/2368-16-0x0000000000400000-0x0000000000448000-memory.dmp

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memory/2368-17-0x0000000000400000-0x0000000000448000-memory.dmp

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memory/4344-12-0x0000000000DA0000-0x00000000011A0000-memory.dmp

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