formbook | fbfd173952479920e0f3a8aa41bdd2faea86d2de9a7080a023831e4769c94468

Analysis

max time kernel
90s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
15/08/2023, 17:17

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General

Target

fbfd173952479920e0f3a8aa41bdd2faea86d2de9a7080a023831e4769c94468exe_JC.exe
Size

545KB
MD5

b661633cfae6e392a3994073f6efc706
SHA1

a81a13005df44e605ef3e17c05adb77b009cf774
SHA256

fbfd173952479920e0f3a8aa41bdd2faea86d2de9a7080a023831e4769c94468
SHA512

3c50916a58985027771660e104812cea7920ba374d00f70b92ba788ada61187ed0c7e8f307ad194bbd82564b01cd31dc11af2dbab82bde3701f2e5f6795112d5
SSDEEP

12288:xqDU6pqFdwBg8HT4zoYe1A5OTb8H8lrTDYnbE:gDRqMBnzFh1A55H86n

Score

10^/10

formbook oy30 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

oy30

Decoy

rfc234.top

danielcavalari.com

elperegrinocabo.com

aryor.info

surelistening.com

premium-numero-telf.buzz

orlynyml.click

tennislovers-ro.com

holdmytracker.com

eewapay.com

jaimesinstallglass.com

damactrade.net

swapspecialities.com

perfumesrffd.today

salesfactory.pro

supportive-solutions.com

naiol.com

khoyr.com

kalendeargpt44.com

web-tech-spb.store

Signatures

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/4880-142-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2716 set thread context of 4880	2716	fbfd173952479920e0f3a8aa41bdd2faea86d2de9a7080a023831e4769c94468exe_JC.exe	91

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2716	fbfd173952479920e0f3a8aa41bdd2faea86d2de9a7080a023831e4769c94468exe_JC.exe
2716	fbfd173952479920e0f3a8aa41bdd2faea86d2de9a7080a023831e4769c94468exe_JC.exe
4880	fbfd173952479920e0f3a8aa41bdd2faea86d2de9a7080a023831e4769c94468exe_JC.exe
4880	fbfd173952479920e0f3a8aa41bdd2faea86d2de9a7080a023831e4769c94468exe_JC.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2716	fbfd173952479920e0f3a8aa41bdd2faea86d2de9a7080a023831e4769c94468exe_JC.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2716 wrote to memory of 872	2716	fbfd173952479920e0f3a8aa41bdd2faea86d2de9a7080a023831e4769c94468exe_JC.exe	90
PID 2716 wrote to memory of 872	2716	fbfd173952479920e0f3a8aa41bdd2faea86d2de9a7080a023831e4769c94468exe_JC.exe	90
PID 2716 wrote to memory of 872	2716	fbfd173952479920e0f3a8aa41bdd2faea86d2de9a7080a023831e4769c94468exe_JC.exe	90
PID 2716 wrote to memory of 4880	2716	fbfd173952479920e0f3a8aa41bdd2faea86d2de9a7080a023831e4769c94468exe_JC.exe	91
PID 2716 wrote to memory of 4880	2716	fbfd173952479920e0f3a8aa41bdd2faea86d2de9a7080a023831e4769c94468exe_JC.exe	91
PID 2716 wrote to memory of 4880	2716	fbfd173952479920e0f3a8aa41bdd2faea86d2de9a7080a023831e4769c94468exe_JC.exe	91
PID 2716 wrote to memory of 4880	2716	fbfd173952479920e0f3a8aa41bdd2faea86d2de9a7080a023831e4769c94468exe_JC.exe	91
PID 2716 wrote to memory of 4880	2716	fbfd173952479920e0f3a8aa41bdd2faea86d2de9a7080a023831e4769c94468exe_JC.exe	91
PID 2716 wrote to memory of 4880	2716	fbfd173952479920e0f3a8aa41bdd2faea86d2de9a7080a023831e4769c94468exe_JC.exe	91

C:\Users\Admin\AppData\Local\Temp\fbfd173952479920e0f3a8aa41bdd2faea86d2de9a7080a023831e4769c94468exe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\fbfd173952479920e0f3a8aa41bdd2faea86d2de9a7080a023831e4769c94468exe_JC.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2716
- C:\Users\Admin\AppData\Local\Temp\fbfd173952479920e0f3a8aa41bdd2faea86d2de9a7080a023831e4769c94468exe_JC.exe
  "C:\Users\Admin\AppData\Local\Temp\fbfd173952479920e0f3a8aa41bdd2faea86d2de9a7080a023831e4769c94468exe_JC.exe"
  2⤵
  PID:872
- C:\Users\Admin\AppData\Local\Temp\fbfd173952479920e0f3a8aa41bdd2faea86d2de9a7080a023831e4769c94468exe_JC.exe
  "C:\Users\Admin\AppData\Local\Temp\fbfd173952479920e0f3a8aa41bdd2faea86d2de9a7080a023831e4769c94468exe_JC.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4880

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2716-133-0x00000000751C0000-0x0000000075970000-memory.dmp

Filesize
7.7MB

Download
memory/2716-134-0x0000000000DF0000-0x0000000000E7E000-memory.dmp

Filesize
568KB

Download
memory/2716-135-0x0000000005DD0000-0x0000000006374000-memory.dmp

Filesize
5.6MB

Download
memory/2716-136-0x00000000058C0000-0x0000000005952000-memory.dmp

Filesize
584KB

Download
memory/2716-137-0x0000000005A40000-0x0000000005A50000-memory.dmp

Filesize
64KB

Download
memory/2716-138-0x0000000005970000-0x000000000597A000-memory.dmp

Filesize
40KB

Download
memory/2716-139-0x0000000006470000-0x000000000650C000-memory.dmp

Filesize
624KB

Download
memory/2716-140-0x00000000751C0000-0x0000000075970000-memory.dmp

Filesize
7.7MB

Download
memory/2716-141-0x0000000005A40000-0x0000000005A50000-memory.dmp

Filesize
64KB

Download
memory/2716-144-0x00000000751C0000-0x0000000075970000-memory.dmp

Filesize
7.7MB

Download
memory/4880-142-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4880-145-0x00000000019D0000-0x0000000001D1A000-memory.dmp

Filesize
3.3MB

Download