formbook | fc0b80cf29ba371bcc37a66f913c55a709f72ef20e5321dba831b5da9cc9d19e

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-12-2024 16:55

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General

Target

27c4e4c4bc0fed698e5908c6bf21599ed379fdb743a3d8946846fa19833fef8b.exe
Size

878KB
MD5

032572e55c25a5d992039e1336d166b3
SHA1

675f2af8bae1fec0bd022c0c65afde54c92e2240
SHA256

27c4e4c4bc0fed698e5908c6bf21599ed379fdb743a3d8946846fa19833fef8b
SHA512

59339428fbec1872d2a4ecad775da9286facee3db1d1078284788b1edc7158f74c2939bed881f2821f2851540fbf5242895125b1737ab86f6acdb61919b7dbb7
SSDEEP

24576:QbYPbYPbYPbYPbYPbYEEb1TKtChyfcvR1BeV9tVJm02:Qbububububub01TKtCweeVTVo

Score

10^/10

formbook b6nt discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

b6nt

Decoy

mecchashonan.com

zzzu9.com

molliebellezza.com

ado-response.com

gurutech.design

gadgetavenuebb.com

ecomoscar.tech

makai-import.com

selotwinmax.xyz

kaihong08.com

biocyberlaw.com

crowdedhr.com

viagradb.online

mtbind.com

zcyq.life

mvideo.contact

brilliantconveyancing.store

onlythexclusive.com

metaverseintegrators.com

xn--ekakb-3x9h.xyz

Signatures

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

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral2/memory/1436-13-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4716 set thread context of 1436	4716	27c4e4c4bc0fed698e5908c6bf21599ed379fdb743a3d8946846fa19833fef8b.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	27c4e4c4bc0fed698e5908c6bf21599ed379fdb743a3d8946846fa19833fef8b.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1436	27c4e4c4bc0fed698e5908c6bf21599ed379fdb743a3d8946846fa19833fef8b.exe
1436	27c4e4c4bc0fed698e5908c6bf21599ed379fdb743a3d8946846fa19833fef8b.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4716 wrote to memory of 1436	4716	27c4e4c4bc0fed698e5908c6bf21599ed379fdb743a3d8946846fa19833fef8b.exe	99
PID 4716 wrote to memory of 1436	4716	27c4e4c4bc0fed698e5908c6bf21599ed379fdb743a3d8946846fa19833fef8b.exe	99
PID 4716 wrote to memory of 1436	4716	27c4e4c4bc0fed698e5908c6bf21599ed379fdb743a3d8946846fa19833fef8b.exe	99
PID 4716 wrote to memory of 1436	4716	27c4e4c4bc0fed698e5908c6bf21599ed379fdb743a3d8946846fa19833fef8b.exe	99
PID 4716 wrote to memory of 1436	4716	27c4e4c4bc0fed698e5908c6bf21599ed379fdb743a3d8946846fa19833fef8b.exe	99
PID 4716 wrote to memory of 1436	4716	27c4e4c4bc0fed698e5908c6bf21599ed379fdb743a3d8946846fa19833fef8b.exe	99

C:\Users\Admin\AppData\Local\Temp\27c4e4c4bc0fed698e5908c6bf21599ed379fdb743a3d8946846fa19833fef8b.exe
"C:\Users\Admin\AppData\Local\Temp\27c4e4c4bc0fed698e5908c6bf21599ed379fdb743a3d8946846fa19833fef8b.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4716
- C:\Users\Admin\AppData\Local\Temp\27c4e4c4bc0fed698e5908c6bf21599ed379fdb743a3d8946846fa19833fef8b.exe
  "C:\Users\Admin\AppData\Local\Temp\27c4e4c4bc0fed698e5908c6bf21599ed379fdb743a3d8946846fa19833fef8b.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1436

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

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Downloads

memory/1436-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1436-16-0x0000000001710000-0x0000000001A5A000-memory.dmp

Filesize
3.3MB

Download
memory/4716-8-0x00000000748C0000-0x0000000075070000-memory.dmp

Filesize
7.7MB

Download
memory/4716-9-0x0000000007C80000-0x0000000007D1C000-memory.dmp

Filesize
624KB

Download
memory/4716-4-0x00000000052E0000-0x00000000052EA000-memory.dmp

Filesize
40KB

Download
memory/4716-5-0x00000000748C0000-0x0000000075070000-memory.dmp

Filesize
7.7MB

Download
memory/4716-6-0x0000000005670000-0x000000000567A000-memory.dmp

Filesize
40KB

Download
memory/4716-7-0x00000000748CE000-0x00000000748CF000-memory.dmp

Filesize
4KB

Download
memory/4716-0-0x00000000748CE000-0x00000000748CF000-memory.dmp

Filesize
4KB

Download
memory/4716-3-0x00000000052F0000-0x0000000005382000-memory.dmp

Filesize
584KB

Download
memory/4716-10-0x0000000007EA0000-0x0000000007F4E000-memory.dmp

Filesize
696KB

Download
memory/4716-11-0x0000000007FD0000-0x0000000008036000-memory.dmp

Filesize
408KB

Download
memory/4716-12-0x0000000008090000-0x00000000080FC000-memory.dmp

Filesize
432KB

Download
memory/4716-2-0x0000000005800000-0x0000000005DA4000-memory.dmp

Filesize
5.6MB

Download
memory/4716-15-0x00000000748C0000-0x0000000075070000-memory.dmp

Filesize
7.7MB

Download
memory/4716-1-0x00000000007E0000-0x00000000008C2000-memory.dmp

Filesize
904KB

Download