formbook | 346d6afdb252d251ce95155e05789adf73f55994f94687286dc4a0fa95327090

Analysis

max time kernel
146s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09/01/2025, 10:07

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General

Target

janacourse2.1.exe
Size

1.7MB
MD5

9746b0e34b3a2048074caf932a112cc1
SHA1

340bca56d23ea75d9e3e8e1e15b9a9bf8b051ef8
SHA256

346d6afdb252d251ce95155e05789adf73f55994f94687286dc4a0fa95327090
SHA512

0d628f7e5cd6f591a80a6b5d40e9b576bd9626b8e929802930c45e47156fe37669dd5989d6d0976ff4a720bf6ac8202dce51284e5e41c79b0164bdf183d8ab14
SSDEEP

49152:UTvC/MTQYxsWR7a2idKVsULUcyufvHh3O:0jTQYxsWR7idKV9Lffh

Score

10^/10

formbook hwu6 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

hwu6

Decoy

lf758.vip

locerin-hair.shop

vytech.net

pet-insurance-intl-7990489.live

thepolithat.buzz

d66dr114gl.bond

suv-deals-49508.bond

job-offer-53922.bond

drstone1.click

lebahsemesta57.click

olmanihousel.shop

piedmontcsb.info

trisula888x.top

66sodovna.net

dental-implants-83810.bond

imxtld.club

frozenpines.net

ffgzgbl.xyz

tlc7z.rest

alexismuller.design

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/4040-3-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4040-6-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/588-11-0x00000000010D0000-0x00000000010FF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3352 set thread context of 4040	3352	janacourse2.1.exe	84
PID 4040 set thread context of 3428	4040	svchost.exe	56
PID 588 set thread context of 3428	588	msdt.exe	56

System Location Discovery: System Language Discovery 1 TTPs 3 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	janacourse2.1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdt.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
4040	svchost.exe
4040	svchost.exe
4040	svchost.exe
4040	svchost.exe
588	msdt.exe
588	msdt.exe
588	msdt.exe
588	msdt.exe
588	msdt.exe
588	msdt.exe
588	msdt.exe
588	msdt.exe
588	msdt.exe
588	msdt.exe
588	msdt.exe
588	msdt.exe
588	msdt.exe
588	msdt.exe
588	msdt.exe
588	msdt.exe
588	msdt.exe
588	msdt.exe
588	msdt.exe
588	msdt.exe
588	msdt.exe
588	msdt.exe
588	msdt.exe
588	msdt.exe
588	msdt.exe
588	msdt.exe
588	msdt.exe
588	msdt.exe
588	msdt.exe
588	msdt.exe
588	msdt.exe
588	msdt.exe
588	msdt.exe
588	msdt.exe
588	msdt.exe
588	msdt.exe
588	msdt.exe
588	msdt.exe
588	msdt.exe
588	msdt.exe
588	msdt.exe
588	msdt.exe
588	msdt.exe
588	msdt.exe
588	msdt.exe
588	msdt.exe
588	msdt.exe
588	msdt.exe
588	msdt.exe
588	msdt.exe
588	msdt.exe
588	msdt.exe
588	msdt.exe
588	msdt.exe
588	msdt.exe
588	msdt.exe
588	msdt.exe
588	msdt.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
3352	janacourse2.1.exe
4040	svchost.exe
4040	svchost.exe
4040	svchost.exe
588	msdt.exe
588	msdt.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4040	svchost.exe
Token: SeDebugPrivilege	588	msdt.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3352	janacourse2.1.exe
3352	janacourse2.1.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
3352	janacourse2.1.exe
3352	janacourse2.1.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3352 wrote to memory of 4040	3352	janacourse2.1.exe	84
PID 3352 wrote to memory of 4040	3352	janacourse2.1.exe	84
PID 3352 wrote to memory of 4040	3352	janacourse2.1.exe	84
PID 3352 wrote to memory of 4040	3352	janacourse2.1.exe	84
PID 3428 wrote to memory of 588	3428	Explorer.EXE	85
PID 3428 wrote to memory of 588	3428	Explorer.EXE	85
PID 3428 wrote to memory of 588	3428	Explorer.EXE	85
PID 588 wrote to memory of 1940	588	msdt.exe	86
PID 588 wrote to memory of 1940	588	msdt.exe	86
PID 588 wrote to memory of 1940	588	msdt.exe	86

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3428
- C:\Users\Admin\AppData\Local\Temp\janacourse2.1.exe
  "C:\Users\Admin\AppData\Local\Temp\janacourse2.1.exe"
  2⤵
  - 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:3352
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\janacourse2.1.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4040
- C:\Windows\SysWOW64\msdt.exe
  "C:\Windows\SysWOW64\msdt.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:588
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1940

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/588-9-0x0000000000CC0000-0x0000000000D17000-memory.dmp

Filesize
348KB

Download
memory/588-11-0x00000000010D0000-0x00000000010FF000-memory.dmp

Filesize
188KB

Download
memory/588-10-0x0000000000CC0000-0x0000000000D17000-memory.dmp

Filesize
348KB

Download
memory/3352-2-0x0000000001580000-0x0000000001980000-memory.dmp

Filesize
4.0MB

Download
memory/3428-12-0x00000000092C0000-0x0000000009414000-memory.dmp

Filesize
1.3MB

Download
memory/3428-8-0x00000000092C0000-0x0000000009414000-memory.dmp

Filesize
1.3MB

Download
memory/3428-16-0x0000000008850000-0x00000000089C2000-memory.dmp

Filesize
1.4MB

Download
memory/3428-17-0x0000000008850000-0x00000000089C2000-memory.dmp

Filesize
1.4MB

Download
memory/3428-19-0x0000000008850000-0x00000000089C2000-memory.dmp

Filesize
1.4MB

Download
memory/4040-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4040-7-0x0000000001370000-0x0000000001384000-memory.dmp

Filesize
80KB

Download
memory/4040-4-0x0000000001400000-0x000000000174A000-memory.dmp

Filesize
3.3MB

Download
memory/4040-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download