formbook | 7d6ef45060d18fa8c4d6a4740f0aa59b4b02d62efd72d2178977d520ccd6f38f

Analysis

max time kernel
44s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 02:06

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General

Target

5c641b6db0eefe6714c87ff5b82d14671996c85e9614ba1eb4b036f4ee551dea.exe
Size

868KB
MD5

34b98ee11bf18c5f1433e8d0479927cd
SHA1

8475a9efb33970e10826b81be8c0ca9254280dab
SHA256

5c641b6db0eefe6714c87ff5b82d14671996c85e9614ba1eb4b036f4ee551dea
SHA512

f9f85b9a0f0d5f894bc49206b4cb3f56a046c7716fcc0c2f9b9ae20ae0c6977bc1c64c1f78c01e9dea58d078699d07b62c330d3946cdf77a4d28bf275091265a
SSDEEP

24576:d+MKgPp9AR95y/BVwUBCqUalFgz7qgEq:fPpKRy//QMFgzxE

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
behavioral1/memory/2560-14-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 108 set thread context of 2560	108	5c641b6db0eefe6714c87ff5b82d14671996c85e9614ba1eb4b036f4ee551dea.exe	29

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	5c641b6db0eefe6714c87ff5b82d14671996c85e9614ba1eb4b036f4ee551dea.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2560	5c641b6db0eefe6714c87ff5b82d14671996c85e9614ba1eb4b036f4ee551dea.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 108 wrote to memory of 2560	108	5c641b6db0eefe6714c87ff5b82d14671996c85e9614ba1eb4b036f4ee551dea.exe	29
PID 108 wrote to memory of 2560	108	5c641b6db0eefe6714c87ff5b82d14671996c85e9614ba1eb4b036f4ee551dea.exe	29
PID 108 wrote to memory of 2560	108	5c641b6db0eefe6714c87ff5b82d14671996c85e9614ba1eb4b036f4ee551dea.exe	29
PID 108 wrote to memory of 2560	108	5c641b6db0eefe6714c87ff5b82d14671996c85e9614ba1eb4b036f4ee551dea.exe	29
PID 108 wrote to memory of 2560	108	5c641b6db0eefe6714c87ff5b82d14671996c85e9614ba1eb4b036f4ee551dea.exe	29
PID 108 wrote to memory of 2560	108	5c641b6db0eefe6714c87ff5b82d14671996c85e9614ba1eb4b036f4ee551dea.exe	29
PID 108 wrote to memory of 2560	108	5c641b6db0eefe6714c87ff5b82d14671996c85e9614ba1eb4b036f4ee551dea.exe	29

C:\Users\Admin\AppData\Local\Temp\5c641b6db0eefe6714c87ff5b82d14671996c85e9614ba1eb4b036f4ee551dea.exe
"C:\Users\Admin\AppData\Local\Temp\5c641b6db0eefe6714c87ff5b82d14671996c85e9614ba1eb4b036f4ee551dea.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:108
- C:\Users\Admin\AppData\Local\Temp\5c641b6db0eefe6714c87ff5b82d14671996c85e9614ba1eb4b036f4ee551dea.exe
  "C:\Users\Admin\AppData\Local\Temp\5c641b6db0eefe6714c87ff5b82d14671996c85e9614ba1eb4b036f4ee551dea.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2560

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/108-6-0x0000000007EC0000-0x0000000007F62000-memory.dmp

Filesize
648KB

Download
memory/108-0-0x00000000749AE000-0x00000000749AF000-memory.dmp

Filesize
4KB

Download
memory/108-2-0x00000000749A0000-0x000000007508E000-memory.dmp

Filesize
6.9MB

Download
memory/108-3-0x0000000000430000-0x0000000000446000-memory.dmp

Filesize
88KB

Download
memory/108-4-0x00000000749AE000-0x00000000749AF000-memory.dmp

Filesize
4KB

Download
memory/108-5-0x00000000749A0000-0x000000007508E000-memory.dmp

Filesize
6.9MB

Download
memory/108-1-0x0000000000F40000-0x000000000101E000-memory.dmp

Filesize
888KB

Download
memory/108-7-0x0000000004480000-0x00000000044B4000-memory.dmp

Filesize
208KB

Download
memory/108-15-0x00000000749A0000-0x000000007508E000-memory.dmp

Filesize
6.9MB

Download
memory/2560-14-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2560-8-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2560-10-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2560-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2560-16-0x0000000000990000-0x0000000000C93000-memory.dmp

Filesize
3.0MB

Download