formbook | 08d1b8b8c99de4e6a4d043d9004aa154088453361140525d5626d5bd9c9281a5

Analysis

max time kernel
149s
max time network
132s
platform
windows10-2004_x64
resource
win10v2004-20260130-en
resource tags

arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
05/02/2026, 16:10

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General

Target
08d1b8b8c99de4e6a4d043d9004aa154088453361140525d5626d5bd9c9281a5.exe
Size 1.2MB
Sample260205-tml96ac19d
SHA256 08d1b8b8c99de4e6a4d043d9004aa154088453361140525d5626d5bd9c9281a5
MD5 f41bb4ae3540b6bdf589af358814224a
SHA1 9735ada4eb636cfab2b59d07848c7a630dfef679
SHA512 bda7775e7ac9b336006c5109bc83ee3cd0647725bb29523407ed403c466c83b3b3acdeadde32d1c773b9ad7febf8336393a0d5e98174db88c5b4e500006c0052
SSDEEP 24576:t5EmXFtKaL4/oFe5T9yyXYfP1ijXdaeGrH0T60D2YAiSvp:tPVt/LZeJbInQRaeeh42jiS
TLSH
T11345CF0273D1D062FFAB92334B5AF6115ABC79260123E62F13981DB9BD701B1563E7A3
MD5 SHA1 SHA512 SSDEEP TLSH

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 2 IoCs

rat

resource	yara_rule
behavioral1/memory/3284-8-0x0000000000400000-0x0000000000446000-memory.dmp	family_formbook
behavioral1/memory/3284-11-0x0000000000400000-0x0000000000446000-memory.dmp	family_formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4768 set thread context of 3284	4768	08d1b8b8c99de4e6a4d043d9004aa154088453361140525d5626d5bd9c9281a5.exe	88

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	08d1b8b8c99de4e6a4d043d9004aa154088453361140525d5626d5bd9c9281a5.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
3284	svchost.exe
3284	svchost.exe
3284	svchost.exe
3284	svchost.exe
3284	svchost.exe
3284	svchost.exe
3284	svchost.exe
3284	svchost.exe
3284	svchost.exe
3284	svchost.exe
3284	svchost.exe
3284	svchost.exe
3284	svchost.exe
3284	svchost.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4768	08d1b8b8c99de4e6a4d043d9004aa154088453361140525d5626d5bd9c9281a5.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
4768	08d1b8b8c99de4e6a4d043d9004aa154088453361140525d5626d5bd9c9281a5.exe
4768	08d1b8b8c99de4e6a4d043d9004aa154088453361140525d5626d5bd9c9281a5.exe
4768	08d1b8b8c99de4e6a4d043d9004aa154088453361140525d5626d5bd9c9281a5.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
4768	08d1b8b8c99de4e6a4d043d9004aa154088453361140525d5626d5bd9c9281a5.exe
4768	08d1b8b8c99de4e6a4d043d9004aa154088453361140525d5626d5bd9c9281a5.exe
4768	08d1b8b8c99de4e6a4d043d9004aa154088453361140525d5626d5bd9c9281a5.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4768 wrote to memory of 3284	4768	08d1b8b8c99de4e6a4d043d9004aa154088453361140525d5626d5bd9c9281a5.exe	88

C:\Users\Admin\AppData\Local\Temp\08d1b8b8c99de4e6a4d043d9004aa154088453361140525d5626d5bd9c9281a5.exe
"C:\Users\Admin\AppData\Local\Temp\08d1b8b8c99de4e6a4d043d9004aa154088453361140525d5626d5bd9c9281a5.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:4768
- C:\Windows\SysWOW64\svchost.exe
  "C:\Users\Admin\AppData\Local\Temp\08d1b8b8c99de4e6a4d043d9004aa154088453361140525d5626d5bd9c9281a5.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3284

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

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Downloads

aut5C06.tmp

Path C:\Users\Admin\AppData\Local\Temp\aut5C06.tmp
Size 278KB
SHA256 01c2f79b0df86519db00f46601c262b1580de15575f4776d5387f835935528fa
MD5 ede6d84a8de100474810cedbe4e81bdf
SHA1 88dd854d80586a91e60ab8702f8a954d53034c07
SHA512 feec961221cac742587958df97b9b86873241e9fa09003bf8310ee05b9cc84dfde3ff993829dfdf865875295aeb6e56cb9f78dffa64eedd9a56b76ebaf3512e5
SSDEEP 6144:hHohkZ0dLyJCNUUAuqNBALQdjKMsSaKQTrRq4SLAbWnn:Chk0ycGuqML8jKDSaK3Ab4n
TLSH
T12454F1A4970D132976816834A3AAEB56D9DC99C41F61CFD6EE23845214C3CB1E3E13EF
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3284-7-0x0000000000400000-0x0000000000446000-memory.dmp

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memory/3284-8-0x0000000000400000-0x0000000000446000-memory.dmp

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memory/3284-9-0x0000000001700000-0x0000000001A4A000-memory.dmp

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memory/3284-10-0x0000000000400000-0x0000000000446000-memory.dmp

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memory/3284-11-0x0000000000400000-0x0000000000446000-memory.dmp

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memory/4768-6-0x0000000001000000-0x0000000001004000-memory.dmp

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