formbook | bfb4b96460ce25a3a585f3780f8ab6c0db4d31dccfe614491876332c028d4328

Analysis

max time kernel
95s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-12-2024 14:14

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General

Target

bfb4b96460ce25a3a585f3780f8ab6c0db4d31dccfe614491876332c028d4328.exe
Size

586KB
MD5

0d02d3493e4b372c0a1e3e9db2ea8577
SHA1

5e4f4684b03d984611ddfbd2a28e6cdfadb731cd
SHA256

bfb4b96460ce25a3a585f3780f8ab6c0db4d31dccfe614491876332c028d4328
SHA512

036e517d4d0fc8aca476de0f96e33520a8ad6801a7294341aeb3b4fece87fe6e39707ba306205743f4ca8ad895c4ab8c42a7326fee0c36af5800d4e67b77d8fe
SSDEEP

12288:h+MlmjxCKoK9oLK9YIzq3Z2EaWmPwe13zAVIEsX3BWqp4P:hKFCD+9YIzq3Zja5F138eU04P

Score

10^/10

formbook cu29 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

cu29

Decoy

qidr.shop

usinessaviationconsulting.net

68716329.xyz

nd-los.net

ealthironcladguarantee.shop

oftware-download-69354.bond

48372305.top

omeownershub.top

mall-chilli.top

ajakgoid.online

ire-changer-53482.bond

rugsrx.shop

oyang123.info

azino-forum-pro.online

817715.rest

layman.vip

eb777.club

ovatonica.net

urgaslotvip.website

inn-paaaa.buzz

Signatures

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

Formbook payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/2136-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2136-15-0x0000000001630000-0x000000000197A000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

Processes:

bfb4b96460ce25a3a585f3780f8ab6c0db4d31dccfe614491876332c028d4328.exe

description	pid	Process	procid_target
PID 4808 set thread context of 2136	4808	bfb4b96460ce25a3a585f3780f8ab6c0db4d31dccfe614491876332c028d4328.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

Processes:

bfb4b96460ce25a3a585f3780f8ab6c0db4d31dccfe614491876332c028d4328.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bfb4b96460ce25a3a585f3780f8ab6c0db4d31dccfe614491876332c028d4328.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

bfb4b96460ce25a3a585f3780f8ab6c0db4d31dccfe614491876332c028d4328.exe

pid	Process
2136	bfb4b96460ce25a3a585f3780f8ab6c0db4d31dccfe614491876332c028d4328.exe
2136	bfb4b96460ce25a3a585f3780f8ab6c0db4d31dccfe614491876332c028d4328.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

bfb4b96460ce25a3a585f3780f8ab6c0db4d31dccfe614491876332c028d4328.exe

description	pid	Process	procid_target
PID 4808 wrote to memory of 2136	4808	bfb4b96460ce25a3a585f3780f8ab6c0db4d31dccfe614491876332c028d4328.exe	99
PID 4808 wrote to memory of 2136	4808	bfb4b96460ce25a3a585f3780f8ab6c0db4d31dccfe614491876332c028d4328.exe	99
PID 4808 wrote to memory of 2136	4808	bfb4b96460ce25a3a585f3780f8ab6c0db4d31dccfe614491876332c028d4328.exe	99
PID 4808 wrote to memory of 2136	4808	bfb4b96460ce25a3a585f3780f8ab6c0db4d31dccfe614491876332c028d4328.exe	99
PID 4808 wrote to memory of 2136	4808	bfb4b96460ce25a3a585f3780f8ab6c0db4d31dccfe614491876332c028d4328.exe	99
PID 4808 wrote to memory of 2136	4808	bfb4b96460ce25a3a585f3780f8ab6c0db4d31dccfe614491876332c028d4328.exe	99

C:\Users\Admin\AppData\Local\Temp\bfb4b96460ce25a3a585f3780f8ab6c0db4d31dccfe614491876332c028d4328.exe
"C:\Users\Admin\AppData\Local\Temp\bfb4b96460ce25a3a585f3780f8ab6c0db4d31dccfe614491876332c028d4328.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4808
- C:\Users\Admin\AppData\Local\Temp\bfb4b96460ce25a3a585f3780f8ab6c0db4d31dccfe614491876332c028d4328.exe
  "C:\Users\Admin\AppData\Local\Temp\bfb4b96460ce25a3a585f3780f8ab6c0db4d31dccfe614491876332c028d4328.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2136

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

Replay Monitor

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Downloads

memory/2136-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2136-15-0x0000000001630000-0x000000000197A000-memory.dmp

Filesize
3.3MB

Download
memory/2136-14-0x0000000001630000-0x000000000197A000-memory.dmp

Filesize
3.3MB

Download
memory/4808-6-0x00000000744DE000-0x00000000744DF000-memory.dmp

Filesize
4KB

Download
memory/4808-4-0x00000000744D0000-0x0000000074C80000-memory.dmp

Filesize
7.7MB

Download
memory/4808-5-0x00000000057A0000-0x00000000057AA000-memory.dmp

Filesize
40KB

Download
memory/4808-0-0x00000000744DE000-0x00000000744DF000-memory.dmp

Filesize
4KB

Download
memory/4808-7-0x00000000744D0000-0x0000000074C80000-memory.dmp

Filesize
7.7MB

Download
memory/4808-8-0x0000000006A50000-0x0000000006A62000-memory.dmp

Filesize
72KB

Download
memory/4808-9-0x00000000083C0000-0x0000000008436000-memory.dmp

Filesize
472KB

Download
memory/4808-10-0x000000000AB50000-0x000000000ABEC000-memory.dmp

Filesize
624KB

Download
memory/4808-3-0x00000000057D0000-0x0000000005862000-memory.dmp

Filesize
584KB

Download
memory/4808-13-0x00000000744D0000-0x0000000074C80000-memory.dmp

Filesize
7.7MB

Download
memory/4808-2-0x0000000005E30000-0x00000000063D4000-memory.dmp

Filesize
5.6MB

Download
memory/4808-1-0x0000000000E60000-0x0000000000EF8000-memory.dmp

Filesize
608KB

Download