formbook | 5d464483c0780fa067121ae4f37c6c76e036739b7205a584dab60635f87d82bd

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27-12-2024 00:49

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General

Target

6e9b59bb1b15031d5c758d3c3043c9fc853bc61c3f51a15eaeea1d06628c532c.exe
Size

516KB
MD5

1a477f84e3566771415106234cf77f81
SHA1

2bbe52a661badffb060173e25822d411ae6203e7
SHA256

6e9b59bb1b15031d5c758d3c3043c9fc853bc61c3f51a15eaeea1d06628c532c
SHA512

76841c49d6eb39f725d1a8b7b35933b9c52a54b78382c53158fa3807da5092391da79cd1fb9e43c39297e21f87525881c7ab2b340362e87fff529f29f8e67f78
SSDEEP

12288:8xc93fzB9dNDHKPWxCLxT/ApeN5mTjvPd/SSdo81ys:f9PtwuxuxTokNwf9/z

Score

10^/10

formbook sn31 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

sn31

Decoy

matsuomatsuo.com

104wn.com

bolacorner.com

dawonderer.com

yourpamlano.xyz

mtzmx.icu

lepakzaparket.com

barmagli.com

danta.ltd

marumaru240.com

people-centeredhr.com

test-brew-inc.com

clairvoyantbusinesscoach.com

aforeignexchangeblog.com

erentekbilisim.com

gangqinqu123.net

defiguaranteebonds.com

thegioigaubong97.site

vaoiwin.info

vcwholeness.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/2532-9-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2012 set thread context of 2532	2012	6e9b59bb1b15031d5c758d3c3043c9fc853bc61c3f51a15eaeea1d06628c532c.exe	30

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	6e9b59bb1b15031d5c758d3c3043c9fc853bc61c3f51a15eaeea1d06628c532c.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2012	6e9b59bb1b15031d5c758d3c3043c9fc853bc61c3f51a15eaeea1d06628c532c.exe
2012	6e9b59bb1b15031d5c758d3c3043c9fc853bc61c3f51a15eaeea1d06628c532c.exe
2532	6e9b59bb1b15031d5c758d3c3043c9fc853bc61c3f51a15eaeea1d06628c532c.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2012	6e9b59bb1b15031d5c758d3c3043c9fc853bc61c3f51a15eaeea1d06628c532c.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2012 wrote to memory of 2532	2012	6e9b59bb1b15031d5c758d3c3043c9fc853bc61c3f51a15eaeea1d06628c532c.exe	30
PID 2012 wrote to memory of 2532	2012	6e9b59bb1b15031d5c758d3c3043c9fc853bc61c3f51a15eaeea1d06628c532c.exe	30
PID 2012 wrote to memory of 2532	2012	6e9b59bb1b15031d5c758d3c3043c9fc853bc61c3f51a15eaeea1d06628c532c.exe	30
PID 2012 wrote to memory of 2532	2012	6e9b59bb1b15031d5c758d3c3043c9fc853bc61c3f51a15eaeea1d06628c532c.exe	30
PID 2012 wrote to memory of 2532	2012	6e9b59bb1b15031d5c758d3c3043c9fc853bc61c3f51a15eaeea1d06628c532c.exe	30
PID 2012 wrote to memory of 2532	2012	6e9b59bb1b15031d5c758d3c3043c9fc853bc61c3f51a15eaeea1d06628c532c.exe	30
PID 2012 wrote to memory of 2532	2012	6e9b59bb1b15031d5c758d3c3043c9fc853bc61c3f51a15eaeea1d06628c532c.exe	30

C:\Users\Admin\AppData\Local\Temp\6e9b59bb1b15031d5c758d3c3043c9fc853bc61c3f51a15eaeea1d06628c532c.exe
"C:\Users\Admin\AppData\Local\Temp\6e9b59bb1b15031d5c758d3c3043c9fc853bc61c3f51a15eaeea1d06628c532c.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2012
- C:\Users\Admin\AppData\Local\Temp\6e9b59bb1b15031d5c758d3c3043c9fc853bc61c3f51a15eaeea1d06628c532c.exe
  C:\Users\Admin\AppData\Local\Temp\6e9b59bb1b15031d5c758d3c3043c9fc853bc61c3f51a15eaeea1d06628c532c.exe
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2532

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/2012-0-0x000000007452E000-0x000000007452F000-memory.dmp

Filesize
4KB

Download
memory/2012-1-0x0000000000B30000-0x0000000000BB8000-memory.dmp

Filesize
544KB

Download
memory/2012-2-0x0000000004340000-0x00000000043E6000-memory.dmp

Filesize
664KB

Download
memory/2012-3-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download
memory/2012-4-0x0000000000A80000-0x0000000000ACC000-memory.dmp

Filesize
304KB

Download
memory/2012-10-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download
memory/2532-5-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2532-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2532-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2532-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2532-11-0x0000000000BC0000-0x0000000000EC3000-memory.dmp

Filesize
3.0MB

Download