formbook | 760adfe71eca49aee662da8e37aa6b5fb7284c539b80362e744ad532d741f7de

Analysis

max time kernel
103s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29-12-2024 12:26

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General

Target

aac1b750d1fe48b308bc639f3b5a9d00a73af68eeac76e607162c5ab55f40e23.exe
Size

818KB
MD5

c8d7f9160e60b1db486561b007ab7621
SHA1

f08ec106fe47072ae29521d72659f35be0f4fc4d
SHA256

aac1b750d1fe48b308bc639f3b5a9d00a73af68eeac76e607162c5ab55f40e23
SHA512

20f1d4759084073e152c8999a6f6ea7c084ddd1e69125bd17520828f0cfbbfca8d600e5d3c2f7da8b209e32a34c518b0fbb5b22aa51d742306e93655131a991a
SSDEEP

12288:+yGJvquwaHpIhB0IXXGSfaPDZNxFYmUaRpVz9ooM+mpcN2eYWr9d2OAiuH:oquPHpjyXPfaNNxTbRpVzSYmyN2eYEy

Score

10^/10

formbook 4kx discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

4kx

Decoy

eufood.info

theprotestmatters.com

khauchakhajina.com

008usa-xxf.com

backriverroadsportsplex.com

shopalndrinks.com

necght.xyz

summaryborrow.info

mys518.com

shopapemodeapparel.com

christineroseartiste.com

rsw2226.com

ashes-of-creation.com

shamilalyadin.com

learning-synergy.com

sendstats.net

waverdemo.tech

dubestol.com

bolterbunny.com

beerciderrebattes.com

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/1880-13-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3196 set thread context of 1880	3196	aac1b750d1fe48b308bc639f3b5a9d00a73af68eeac76e607162c5ab55f40e23.exe	98

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	aac1b750d1fe48b308bc639f3b5a9d00a73af68eeac76e607162c5ab55f40e23.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1880	aac1b750d1fe48b308bc639f3b5a9d00a73af68eeac76e607162c5ab55f40e23.exe
1880	aac1b750d1fe48b308bc639f3b5a9d00a73af68eeac76e607162c5ab55f40e23.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3196 wrote to memory of 1880	3196	aac1b750d1fe48b308bc639f3b5a9d00a73af68eeac76e607162c5ab55f40e23.exe	98
PID 3196 wrote to memory of 1880	3196	aac1b750d1fe48b308bc639f3b5a9d00a73af68eeac76e607162c5ab55f40e23.exe	98
PID 3196 wrote to memory of 1880	3196	aac1b750d1fe48b308bc639f3b5a9d00a73af68eeac76e607162c5ab55f40e23.exe	98
PID 3196 wrote to memory of 1880	3196	aac1b750d1fe48b308bc639f3b5a9d00a73af68eeac76e607162c5ab55f40e23.exe	98
PID 3196 wrote to memory of 1880	3196	aac1b750d1fe48b308bc639f3b5a9d00a73af68eeac76e607162c5ab55f40e23.exe	98
PID 3196 wrote to memory of 1880	3196	aac1b750d1fe48b308bc639f3b5a9d00a73af68eeac76e607162c5ab55f40e23.exe	98

C:\Users\Admin\AppData\Local\Temp\aac1b750d1fe48b308bc639f3b5a9d00a73af68eeac76e607162c5ab55f40e23.exe
"C:\Users\Admin\AppData\Local\Temp\aac1b750d1fe48b308bc639f3b5a9d00a73af68eeac76e607162c5ab55f40e23.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3196
- C:\Users\Admin\AppData\Local\Temp\aac1b750d1fe48b308bc639f3b5a9d00a73af68eeac76e607162c5ab55f40e23.exe
  "C:\Users\Admin\AppData\Local\Temp\aac1b750d1fe48b308bc639f3b5a9d00a73af68eeac76e607162c5ab55f40e23.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1880

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/1880-13-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1880-16-0x00000000010C0000-0x000000000140A000-memory.dmp

Filesize
3.3MB

Download
memory/3196-8-0x0000000004DE0000-0x0000000004E02000-memory.dmp

Filesize
136KB

Download
memory/3196-9-0x00000000746FE000-0x00000000746FF000-memory.dmp

Filesize
4KB

Download
memory/3196-4-0x0000000004E00000-0x0000000004E92000-memory.dmp

Filesize
584KB

Download
memory/3196-6-0x0000000004D60000-0x0000000004D6A000-memory.dmp

Filesize
40KB

Download
memory/3196-5-0x00000000746F0000-0x0000000074EA0000-memory.dmp

Filesize
7.7MB

Download
memory/3196-7-0x0000000004EA0000-0x0000000004EF6000-memory.dmp

Filesize
344KB

Download
memory/3196-0-0x00000000746FE000-0x00000000746FF000-memory.dmp

Filesize
4KB

Download
memory/3196-3-0x0000000005310000-0x00000000058B4000-memory.dmp

Filesize
5.6MB

Download
memory/3196-10-0x00000000746F0000-0x0000000074EA0000-memory.dmp

Filesize
7.7MB

Download
memory/3196-11-0x0000000005AC0000-0x0000000005B48000-memory.dmp

Filesize
544KB

Download
memory/3196-12-0x0000000008040000-0x0000000008082000-memory.dmp

Filesize
264KB

Download
memory/3196-2-0x0000000004C50000-0x0000000004CEC000-memory.dmp

Filesize
624KB

Download
memory/3196-15-0x00000000746F0000-0x0000000074EA0000-memory.dmp

Filesize
7.7MB

Download
memory/3196-1-0x00000000001F0000-0x00000000002C2000-memory.dmp

Filesize
840KB

Download