formbook | 33b5ccf1b3b48e22ab607320e0bb143ad0ac2a9770b0e385c0365366de472ceb

Analysis

max time kernel
114s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
30-04-2023 23:22

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General

Target

2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe
Size

655KB
MD5

2c25ab75ea6c7f3cdbb1f7c8844b4c91
SHA1

7ee948ea458aff3cb6822a92020e1af0aa217ae8
SHA256

33b5ccf1b3b48e22ab607320e0bb143ad0ac2a9770b0e385c0365366de472ceb
SHA512

ee520741f8562bd595a8f468c32e38de2dbea168c0cf7b72eeb547e1ae6b2ed7d5da4653e86418190327672a4d75f2eae1e0fe15161ed3a7b9d90883029fa549
SSDEEP

12288:G2nqwaPv8rXaB1EqXg0BvATTY8f7dZBsmT768vr7QR++CFsRj6egQVt:G2Tiv8rX5qXgx7djb/4InFsR

Score

10^/10

formbook gtt8 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

gtt8

Decoy

thesuccessbot.com

rittercivil.com

jt1.fun

d365extension.com

quqoxeq.top

visittworiverswi.com

bfprotienda.com

greenhabitsph.com

ladmere.com

clockboutiques.com

minwart.xyz

xinyuejiancai.online

eggsl.com

fetchingcandles.com

skywatiniya.com

hinkley.news

realityonlineenterprises.com

teamcroissant.com

esfera-pv.ch

herdadedosmontesbastos.com

Signatures

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

Formbook payload 1 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/776-140-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

Processes:

2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe

description pid process target process

PID 4632 set thread context of 776 4632 2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe 2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe

pid process

776 2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe
776 2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe

description	pid	process	target process
PID 4632 set thread context of 776	4632	2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe	2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe

pid	process
776	2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe
776	2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe

description	pid	process	target process
PID 4632 wrote to memory of 776	4632	2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe	2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe
PID 4632 wrote to memory of 776	4632	2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe	2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe
PID 4632 wrote to memory of 776	4632	2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe	2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe
PID 4632 wrote to memory of 776	4632	2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe	2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe
PID 4632 wrote to memory of 776	4632	2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe	2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe
PID 4632 wrote to memory of 776	4632	2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe	2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe

C:\Users\Admin\AppData\Local\Temp\2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe
"C:\Users\Admin\AppData\Local\Temp\2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4632

C:\Users\Admin\AppData\Local\Temp\2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe
"C:\Users\Admin\AppData\Local\Temp\2c25ab75ea6c7f3cdbb1f7c8844b4c91.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:776

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/776-140-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/776-142-0x00000000018B0000-0x0000000001BFA000-memory.dmp

Filesize
3.3MB

Download
memory/4632-133-0x0000000000E40000-0x0000000000EEA000-memory.dmp

Filesize
680KB

Download
memory/4632-134-0x0000000005E20000-0x00000000063C4000-memory.dmp

Filesize
5.6MB

Download
memory/4632-135-0x0000000005910000-0x00000000059A2000-memory.dmp

Filesize
584KB

Download
memory/4632-136-0x00000000058C0000-0x00000000058CA000-memory.dmp

Filesize
40KB

Download
memory/4632-137-0x00000000058B0000-0x00000000058C0000-memory.dmp

Filesize
64KB

Download
memory/4632-138-0x00000000058B0000-0x00000000058C0000-memory.dmp

Filesize
64KB

Download
memory/4632-139-0x000000000B090000-0x000000000B12C000-memory.dmp

Filesize
624KB

Download