formbook | e297870bd5d70b0e653901d78c2d240cbc18fb8bfca3d94a80b7d3f4966173c8

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 05:26

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General

Target

08d852996cac29ea979d65f029908e1e38cfddca5738b1aad650e8a3eb0b00ca.exe
Size

781KB
MD5

9a0af6b629a159d928c7531584a39d36
SHA1

33edb3f17cc6bb15eab425d0c3361c68ec66fed7
SHA256

08d852996cac29ea979d65f029908e1e38cfddca5738b1aad650e8a3eb0b00ca
SHA512

e412eebc87755df3305680a478305e5212315e580742d3bc7bbfddc7278470e59103fb6c2d62fe94bf0980efd955dc3aef2243c2839efad4af9dcde385738b24
SSDEEP

12288:vFzHHK7zGJ7VCTbRCOb2yFO+ygE5HzMQhhEiMcYLFOXWxj8TVvUpS76VF8F:dzaiITXMHBkkX+4ZASA

Score

10^/10

formbook bcak discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

bcak

Decoy

shizixiudian.com

thetimemerchants.com

rafflere.com

amosiagongbang.com

pikantepikariko.com

nationaltodaytv.com

anjielo.net

atlerz.com

cloudteamthree.com

cafelegume.com

gvniypqiy.icu

xn--schuldenzsurgesetz-ttb.info

jlxrcm.com

flowcraftnetworks.com

viberiokno-online.com

guisese66.com

farmaciaavicena.com

sealedgamescompany.com

eastonwestinc.com

szwmsz.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/2240-12-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2292 set thread context of 2240	2292	08d852996cac29ea979d65f029908e1e38cfddca5738b1aad650e8a3eb0b00ca.exe	31

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	08d852996cac29ea979d65f029908e1e38cfddca5738b1aad650e8a3eb0b00ca.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2240	08d852996cac29ea979d65f029908e1e38cfddca5738b1aad650e8a3eb0b00ca.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2292 wrote to memory of 2240	2292	08d852996cac29ea979d65f029908e1e38cfddca5738b1aad650e8a3eb0b00ca.exe	31
PID 2292 wrote to memory of 2240	2292	08d852996cac29ea979d65f029908e1e38cfddca5738b1aad650e8a3eb0b00ca.exe	31
PID 2292 wrote to memory of 2240	2292	08d852996cac29ea979d65f029908e1e38cfddca5738b1aad650e8a3eb0b00ca.exe	31
PID 2292 wrote to memory of 2240	2292	08d852996cac29ea979d65f029908e1e38cfddca5738b1aad650e8a3eb0b00ca.exe	31
PID 2292 wrote to memory of 2240	2292	08d852996cac29ea979d65f029908e1e38cfddca5738b1aad650e8a3eb0b00ca.exe	31
PID 2292 wrote to memory of 2240	2292	08d852996cac29ea979d65f029908e1e38cfddca5738b1aad650e8a3eb0b00ca.exe	31
PID 2292 wrote to memory of 2240	2292	08d852996cac29ea979d65f029908e1e38cfddca5738b1aad650e8a3eb0b00ca.exe	31

C:\Users\Admin\AppData\Local\Temp\08d852996cac29ea979d65f029908e1e38cfddca5738b1aad650e8a3eb0b00ca.exe
"C:\Users\Admin\AppData\Local\Temp\08d852996cac29ea979d65f029908e1e38cfddca5738b1aad650e8a3eb0b00ca.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2292
- C:\Users\Admin\AppData\Local\Temp\08d852996cac29ea979d65f029908e1e38cfddca5738b1aad650e8a3eb0b00ca.exe
  "C:\Users\Admin\AppData\Local\Temp\08d852996cac29ea979d65f029908e1e38cfddca5738b1aad650e8a3eb0b00ca.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2240

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/2240-8-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2240-14-0x0000000000BF0000-0x0000000000EF3000-memory.dmp

Filesize
3.0MB

Download
memory/2240-9-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2240-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2240-12-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2292-3-0x0000000000640000-0x0000000000656000-memory.dmp

Filesize
88KB

Download
memory/2292-6-0x0000000005960000-0x0000000005A02000-memory.dmp

Filesize
648KB

Download
memory/2292-7-0x0000000004B80000-0x0000000004BB4000-memory.dmp

Filesize
208KB

Download
memory/2292-5-0x0000000074530000-0x0000000074C1E000-memory.dmp

Filesize
6.9MB

Download
memory/2292-4-0x000000007453E000-0x000000007453F000-memory.dmp

Filesize
4KB

Download
memory/2292-0-0x000000007453E000-0x000000007453F000-memory.dmp

Filesize
4KB

Download
memory/2292-2-0x0000000074530000-0x0000000074C1E000-memory.dmp

Filesize
6.9MB

Download
memory/2292-13-0x0000000074530000-0x0000000074C1E000-memory.dmp

Filesize
6.9MB

Download
memory/2292-1-0x0000000000330000-0x00000000003FA000-memory.dmp

Filesize
808KB

Download