formbook | f4fa7d88a2473c12fdb3d13833346d3fcd831a558619b24072518bdf4f2a3761

Analysis

max time kernel
124s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29-12-2024 11:38

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General

Target

741815376052dfd9c8dda9031633196530d185b85f9820e1d4a2f0ffaa149b67.exe
Size

451KB
MD5

daee820ef921e5598c815d66fa140046
SHA1

f9af4821c764e6d682e362b209ad15974eae1a84
SHA256

741815376052dfd9c8dda9031633196530d185b85f9820e1d4a2f0ffaa149b67
SHA512

092f2f1504d93c05dfb8adcd5471d5cf30fe1b466da140230a8a9ba1ea69e3be51359c35acfb2ec9a3682d853a4013c465f0ae71687645039553a8fd5b9ca163
SSDEEP

6144:3aV2T2YxNvJX/wFbJgCsuEsssQI+bELiQ4eyxgRN9MwMCaToCq5EvxKoLAN:3aV2pNvJX/wFbJEW+vzx+FYoCq5NW0

Score

10^/10

formbook fzd discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

fzd

Decoy

vn-mua-hang-onlike.site

creationsbylisaq.com

clouduwo.com

archlvedata.com

casanoriamaderas.com

plouceur.com

thrivewarrioracademy.com

saraviafirma.com

letstalktech.tech

rhetfox.com

clmssouth.com

thecatstits.net

mepain.space

thepapaya.xyz

gaplek.net

llcom.net

estrategassocial.com

sliming.life

progressofindia.com

fakedoctorsrealfriendsmerch.com

Signatures

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

CustAttr .NET packer 1 IoCs

Detects CustAttr .NET packer in memory.

resource	yara_rule
behavioral2/memory/2272-7-0x0000000004EA0000-0x0000000004EA8000-memory.dmp	CustAttr

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral2/memory/3512-11-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2272 set thread context of 3512	2272	741815376052dfd9c8dda9031633196530d185b85f9820e1d4a2f0ffaa149b67.exe	99

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	741815376052dfd9c8dda9031633196530d185b85f9820e1d4a2f0ffaa149b67.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3512	741815376052dfd9c8dda9031633196530d185b85f9820e1d4a2f0ffaa149b67.exe
3512	741815376052dfd9c8dda9031633196530d185b85f9820e1d4a2f0ffaa149b67.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2272 wrote to memory of 3512	2272	741815376052dfd9c8dda9031633196530d185b85f9820e1d4a2f0ffaa149b67.exe	99
PID 2272 wrote to memory of 3512	2272	741815376052dfd9c8dda9031633196530d185b85f9820e1d4a2f0ffaa149b67.exe	99
PID 2272 wrote to memory of 3512	2272	741815376052dfd9c8dda9031633196530d185b85f9820e1d4a2f0ffaa149b67.exe	99
PID 2272 wrote to memory of 3512	2272	741815376052dfd9c8dda9031633196530d185b85f9820e1d4a2f0ffaa149b67.exe	99
PID 2272 wrote to memory of 3512	2272	741815376052dfd9c8dda9031633196530d185b85f9820e1d4a2f0ffaa149b67.exe	99
PID 2272 wrote to memory of 3512	2272	741815376052dfd9c8dda9031633196530d185b85f9820e1d4a2f0ffaa149b67.exe	99

C:\Users\Admin\AppData\Local\Temp\741815376052dfd9c8dda9031633196530d185b85f9820e1d4a2f0ffaa149b67.exe
"C:\Users\Admin\AppData\Local\Temp\741815376052dfd9c8dda9031633196530d185b85f9820e1d4a2f0ffaa149b67.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2272
- C:\Users\Admin\AppData\Local\Temp\741815376052dfd9c8dda9031633196530d185b85f9820e1d4a2f0ffaa149b67.exe
  "C:\Users\Admin\AppData\Local\Temp\741815376052dfd9c8dda9031633196530d185b85f9820e1d4a2f0ffaa149b67.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3512

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/2272-6-0x0000000004B50000-0x0000000004B5A000-memory.dmp

Filesize
40KB

Download
memory/2272-8-0x000000007443E000-0x000000007443F000-memory.dmp

Filesize
4KB

Download
memory/2272-2-0x0000000005050000-0x00000000055F4000-memory.dmp

Filesize
5.6MB

Download
memory/2272-3-0x0000000004B80000-0x0000000004C12000-memory.dmp

Filesize
584KB

Download
memory/2272-4-0x0000000004C20000-0x0000000004CBC000-memory.dmp

Filesize
624KB

Download
memory/2272-5-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/2272-1-0x00000000000E0000-0x0000000000156000-memory.dmp

Filesize
472KB

Download
memory/2272-7-0x0000000004EA0000-0x0000000004EA8000-memory.dmp

Filesize
32KB

Download
memory/2272-0-0x000000007443E000-0x000000007443F000-memory.dmp

Filesize
4KB

Download
memory/2272-9-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/2272-10-0x0000000000910000-0x000000000096C000-memory.dmp

Filesize
368KB

Download
memory/2272-13-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/3512-11-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3512-14-0x00000000013A0000-0x00000000016EA000-memory.dmp

Filesize
3.3MB

Download
memory/3512-15-0x00000000013A0000-0x00000000016EA000-memory.dmp

Filesize
3.3MB

Download