formbook | f95b891480114699104ea91f6abd79163a81cd86f0d66adb52c8946e744319c5

Analysis

max time kernel
148s
max time network
193s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
05/05/2023, 18:21

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General

Target

b5e3575e253ae6811203e02d42fda718a5655baec9545f839ceb4473e5de33bf.exe
Size

745KB
MD5

48353808819cf7a6d4557da32df96924
SHA1

188dea1e06e75391cc42fafe84e16396cafae2c9
SHA256

b5e3575e253ae6811203e02d42fda718a5655baec9545f839ceb4473e5de33bf
SHA512

96995e1a500ecff32a36f646d4a5d328f7343a75a3b43a3f0d5a7a73d6769fd015e82bd7c5b47e079149c628e821e87906feb70f2a84d8c6e254649d7a27dbdc
SSDEEP

12288:jBdwsj8LCTdPo7wQbVhc6DTmp2OKlsThMsL9fkFnS:fdj8Lai7/vRDTmYHIMzNS

Score

10^/10

formbook m2x5 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

m2x5

Decoy

rosetintedglass.com

faeyzawijayasofa.com

sedrik-osvald.online

nothingyun.top

qsoftware.dev

opravka.com

cepteavm.com

dieselmatecivils.com

miscositaspersonalizadas.com

hyxy56.com

tlhhhumor.xyz

heyxin.com

63hdrg1sea9t5by.buzz

chinaita.net

harmonizedwomenshealth.com

explosivearoma.com

biabettv76.com

336rrr.com

168fuzhuang.com

titanj12.com

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/3576-141-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5040 set thread context of 3576	5040	b5e3575e253ae6811203e02d42fda718a5655baec9545f839ceb4473e5de33bf.exe	83

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3576	b5e3575e253ae6811203e02d42fda718a5655baec9545f839ceb4473e5de33bf.exe
3576	b5e3575e253ae6811203e02d42fda718a5655baec9545f839ceb4473e5de33bf.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5040 wrote to memory of 3576	5040	b5e3575e253ae6811203e02d42fda718a5655baec9545f839ceb4473e5de33bf.exe	83
PID 5040 wrote to memory of 3576	5040	b5e3575e253ae6811203e02d42fda718a5655baec9545f839ceb4473e5de33bf.exe	83
PID 5040 wrote to memory of 3576	5040	b5e3575e253ae6811203e02d42fda718a5655baec9545f839ceb4473e5de33bf.exe	83
PID 5040 wrote to memory of 3576	5040	b5e3575e253ae6811203e02d42fda718a5655baec9545f839ceb4473e5de33bf.exe	83
PID 5040 wrote to memory of 3576	5040	b5e3575e253ae6811203e02d42fda718a5655baec9545f839ceb4473e5de33bf.exe	83
PID 5040 wrote to memory of 3576	5040	b5e3575e253ae6811203e02d42fda718a5655baec9545f839ceb4473e5de33bf.exe	83

C:\Users\Admin\AppData\Local\Temp\b5e3575e253ae6811203e02d42fda718a5655baec9545f839ceb4473e5de33bf.exe
"C:\Users\Admin\AppData\Local\Temp\b5e3575e253ae6811203e02d42fda718a5655baec9545f839ceb4473e5de33bf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5040
- C:\Users\Admin\AppData\Local\Temp\b5e3575e253ae6811203e02d42fda718a5655baec9545f839ceb4473e5de33bf.exe
  "C:\Users\Admin\AppData\Local\Temp\b5e3575e253ae6811203e02d42fda718a5655baec9545f839ceb4473e5de33bf.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3576

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/3576-141-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3576-143-0x00000000017D0000-0x0000000001B1A000-memory.dmp

Filesize
3.3MB

Download
memory/3576-144-0x00000000017D0000-0x0000000001B1A000-memory.dmp

Filesize
3.3MB

Download
memory/5040-133-0x0000000000210000-0x00000000002D0000-memory.dmp

Filesize
768KB

Download
memory/5040-134-0x0000000004D30000-0x0000000004D40000-memory.dmp

Filesize
64KB

Download
memory/5040-135-0x0000000004D30000-0x0000000004D40000-memory.dmp

Filesize
64KB

Download
memory/5040-136-0x0000000005550000-0x0000000005AF4000-memory.dmp

Filesize
5.6MB

Download
memory/5040-137-0x00000000050B0000-0x0000000005142000-memory.dmp

Filesize
584KB

Download
memory/5040-138-0x0000000004D30000-0x0000000004D40000-memory.dmp

Filesize
64KB

Download
memory/5040-139-0x0000000004D30000-0x0000000004D40000-memory.dmp

Filesize
64KB

Download
memory/5040-140-0x0000000006880000-0x000000000691C000-memory.dmp

Filesize
624KB

Download