formbook | d36205d74701660f17c2def0d0f66f81e69596fd51bb0a482c5fdb16af71f0c6

Analysis

max time kernel
117s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 13:29

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General

Target

vbc.exe
Size

632KB
MD5

2350899dd0c4a9d7f8440310978e6250
SHA1

d2111c37f59496d195689c2ab060a7057ea5ecf5
SHA256

ceeda4a7a306ccc5a4606ff794950469392130188f5a5a7df1b81562ab021d42
SHA512

c4780298c5dbed24575900c0992f5efd6ad6504682a270bcb038ffc28e076ade9f95252bcb89723f312131b5ca3089d7209f51b1cae8de29b5d3d02b32ed131b
SSDEEP

12288:wQT9s31JoQ2juBhV0jr38DBMQpD9h3DLQ2Lx9xLd:wQT9s38fjuFG89nZn

Score

10^/10

formbook p6ai discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

p6ai

Decoy

ocfoundation.info

fullhouse01.com

a-great-lexus-rx.fyi

googlepayperclick.com

coachmyragolden.com

luxclothing.club

medicationbuddy.com

miraclepawsfoundation.com

datingforcez.online

wasteharvester.com

solslides.com

hotel-ritterhof.com

tianjinsf.com

receiveyourcashnow.com

the-vma.com

godrejroyalewoodsbangalore.com

erickrokanphotography.com

vasinvestments.com

janlago.com

2nocent.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/3012-3-0x0000000000080000-0x00000000000AE000-memory.dmp	formbook

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2228 set thread context of 3012	2228	vbc.exe	30

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1308	3012	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 2 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	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
2228	vbc.exe
2228	vbc.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2228 wrote to memory of 3012	2228	vbc.exe	30
PID 2228 wrote to memory of 3012	2228	vbc.exe	30
PID 2228 wrote to memory of 3012	2228	vbc.exe	30
PID 2228 wrote to memory of 3012	2228	vbc.exe	30
PID 2228 wrote to memory of 3012	2228	vbc.exe	30
PID 3012 wrote to memory of 1308	3012	vbc.exe	31
PID 3012 wrote to memory of 1308	3012	vbc.exe	31
PID 3012 wrote to memory of 1308	3012	vbc.exe	31
PID 3012 wrote to memory of 1308	3012	vbc.exe	31

C:\Users\Admin\AppData\Local\Temp\vbc.exe
"C:\Users\Admin\AppData\Local\Temp\vbc.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2228
- C:\Users\Admin\AppData\Local\Temp\vbc.exe
  "C:\Users\Admin\AppData\Local\Temp\vbc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3012
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3012 -s 36
    3⤵
    - Program crash
    PID:1308

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

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/2228-2-0x00000000001E0000-0x00000000001E2000-memory.dmp

Filesize
8KB

Download
memory/2228-1-0x00000000001F0000-0x00000000002F0000-memory.dmp

Filesize
1024KB

Download
memory/3012-3-0x0000000000080000-0x00000000000AE000-memory.dmp

Filesize
184KB

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