formbook | faf33adac687fbb353a51437c8efacf4ccd94153c4f9514dc31a905a8d4a2f52

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25-09-2024 22:55

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General

Target

f704788608711d14f5f6c20d7939088a_JaffaCakes118.exe
Size

744KB
MD5

f704788608711d14f5f6c20d7939088a
SHA1

29a06d1b0cc4231f90ec612a70804ba0b8b37d5a
SHA256

faf33adac687fbb353a51437c8efacf4ccd94153c4f9514dc31a905a8d4a2f52
SHA512

ddd77d64888b0734709c3136050cc7f5182c67bd197ae1ea4ae258a09605e0859d30587b7573ddf7648dd3231bdccb52582242f42a37d1cb5c4018a622a84ebc
SSDEEP

12288:C1eRRAfxCIUnyNOI/SN/HWQZUpO0ZTaEb33zDbr1ClM4Z3C:kiRO8nyNOI0u7bT/Hm

Score

10^/10

formbook kb09 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

kb09

Decoy

chautan.com

23hills.com

shop-the-top.xyz

danceleadsunlimited.com

harusnegaskas.com

commandserviceman.com

radio-advertisement.com

2gounlock.com

doblenudobylvillamesa.com

vz199.com

infiniteheartandsoul.com

bluemountainbeachbrewery.com

ushealthvisa.com

exposition-lovo.com

ibdgsolutions.com

hauskaat.com

constantpowerco.com

dgbaisi.com

lenderexpo.com

murrimurrdi.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral2/memory/4536-4-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 528 set thread context of 4536	528	f704788608711d14f5f6c20d7939088a_JaffaCakes118.exe	82

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	f704788608711d14f5f6c20d7939088a_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
528	f704788608711d14f5f6c20d7939088a_JaffaCakes118.exe
528	f704788608711d14f5f6c20d7939088a_JaffaCakes118.exe
4536	f704788608711d14f5f6c20d7939088a_JaffaCakes118.exe
4536	f704788608711d14f5f6c20d7939088a_JaffaCakes118.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
528	f704788608711d14f5f6c20d7939088a_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 528 wrote to memory of 4536	528	f704788608711d14f5f6c20d7939088a_JaffaCakes118.exe	82
PID 528 wrote to memory of 4536	528	f704788608711d14f5f6c20d7939088a_JaffaCakes118.exe	82
PID 528 wrote to memory of 4536	528	f704788608711d14f5f6c20d7939088a_JaffaCakes118.exe	82

C:\Users\Admin\AppData\Local\Temp\f704788608711d14f5f6c20d7939088a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f704788608711d14f5f6c20d7939088a_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:528
- C:\Users\Admin\AppData\Local\Temp\f704788608711d14f5f6c20d7939088a_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f704788608711d14f5f6c20d7939088a_JaffaCakes118.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4536

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/528-0-0x0000000002240000-0x0000000002241000-memory.dmp

Filesize
4KB

Download
memory/528-2-0x0000000002380000-0x0000000002390000-memory.dmp

Filesize
64KB

Download
memory/528-3-0x00000000023F0000-0x00000000023F1000-memory.dmp

Filesize
4KB

Download
memory/528-5-0x0000000000400000-0x00000000004BF000-memory.dmp

Filesize
764KB

Download
memory/4536-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download