formbook | eb8d43852d35402a95b03af87fd00923d73cb71ec9261861cbeb076e55884cab

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
29/03/2024, 04:38

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General

Target

eb8d43852d35402a95b03af87fd00923d73cb71ec9261861cbeb076e55884cab.exe
Size

634KB
MD5

48abe47238a420102271452512a52059
SHA1

3943eb1946282680ae050f59d68fd791bb1a2e1e
SHA256

eb8d43852d35402a95b03af87fd00923d73cb71ec9261861cbeb076e55884cab
SHA512

41b7a81c4cf3ca4489a143fb70f920c8fb834f4f2d82fce5d3d38207f61cbd80f2324d49f9a97e26cd2f96469114cfca82d8e00b82b097398d81ddf1ff9f2d58
SSDEEP

12288:LQwi7K9diW8Goqrv6PemCaWmcnJpQVIzTgliZFLc2rI3g4CMw:0xidv6PpCajccREc2W

Score

10^/10

formbook 38gc rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

38gc

Decoy

fgoz3kry51.asia

vanishingacthairremoval.com

onlinelearningsandbox.com

feluca-egypt.com

goforsourcing.com

hairmadeperfect.com

brockspaydayearners.com

vintagetoj.com

tjandthecampers.com

emkanelajiehes.com

bestundersinkwaterfilter.com

proatta777.com

satuslot.beauty

nicolesbodybutter.com

montecarlogallery.com

homeautomation.one

cx-n1.ink

spennys.casa

gaozgn.cfd

hakajimai.online

Signatures

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

Detects executables packed with SmartAssembly 1 IoCs

resource	yara_rule
behavioral2/memory/2428-7-0x0000000005D10000-0x0000000005D1C000-memory.dmp	INDICATOR_EXE_Packed_SmartAssembly

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral2/memory/4272-10-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2428 set thread context of 4272	2428	eb8d43852d35402a95b03af87fd00923d73cb71ec9261861cbeb076e55884cab.exe	96

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4272	eb8d43852d35402a95b03af87fd00923d73cb71ec9261861cbeb076e55884cab.exe
4272	eb8d43852d35402a95b03af87fd00923d73cb71ec9261861cbeb076e55884cab.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2428 wrote to memory of 4272	2428	eb8d43852d35402a95b03af87fd00923d73cb71ec9261861cbeb076e55884cab.exe	96
PID 2428 wrote to memory of 4272	2428	eb8d43852d35402a95b03af87fd00923d73cb71ec9261861cbeb076e55884cab.exe	96
PID 2428 wrote to memory of 4272	2428	eb8d43852d35402a95b03af87fd00923d73cb71ec9261861cbeb076e55884cab.exe	96
PID 2428 wrote to memory of 4272	2428	eb8d43852d35402a95b03af87fd00923d73cb71ec9261861cbeb076e55884cab.exe	96
PID 2428 wrote to memory of 4272	2428	eb8d43852d35402a95b03af87fd00923d73cb71ec9261861cbeb076e55884cab.exe	96
PID 2428 wrote to memory of 4272	2428	eb8d43852d35402a95b03af87fd00923d73cb71ec9261861cbeb076e55884cab.exe	96

C:\Users\Admin\AppData\Local\Temp\eb8d43852d35402a95b03af87fd00923d73cb71ec9261861cbeb076e55884cab.exe
"C:\Users\Admin\AppData\Local\Temp\eb8d43852d35402a95b03af87fd00923d73cb71ec9261861cbeb076e55884cab.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2428
- C:\Users\Admin\AppData\Local\Temp\eb8d43852d35402a95b03af87fd00923d73cb71ec9261861cbeb076e55884cab.exe
  "C:\Users\Admin\AppData\Local\Temp\eb8d43852d35402a95b03af87fd00923d73cb71ec9261861cbeb076e55884cab.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4272

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2428-6-0x0000000005A80000-0x0000000005A92000-memory.dmp

Filesize
72KB

Download
memory/2428-1-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/2428-2-0x0000000005D20000-0x00000000062C4000-memory.dmp

Filesize
5.6MB

Download
memory/2428-3-0x0000000005810000-0x00000000058A2000-memory.dmp

Filesize
584KB

Download
memory/2428-4-0x0000000005A90000-0x0000000005AA0000-memory.dmp

Filesize
64KB

Download
memory/2428-5-0x0000000005750000-0x000000000575A000-memory.dmp

Filesize
40KB

Download
memory/2428-0-0x0000000000DF0000-0x0000000000E94000-memory.dmp

Filesize
656KB

Download
memory/2428-7-0x0000000005D10000-0x0000000005D1C000-memory.dmp

Filesize
48KB

Download
memory/2428-8-0x0000000006CB0000-0x0000000006D26000-memory.dmp

Filesize
472KB

Download
memory/2428-9-0x0000000009690000-0x000000000972C000-memory.dmp

Filesize
624KB

Download
memory/2428-12-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/4272-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4272-13-0x0000000001A90000-0x0000000001DDA000-memory.dmp

Filesize
3.3MB

Download