formbook | 25e5055023abbb8c18992618b6f04c94b8b13ff8bd33d4a4f8462d92902461bf

Analysis

max time kernel
96s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01-01-2025 07:11

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General

Target

JaffaCakes118_4bc84a1a436c849698fd54c0f921c2a1.exe
Size

460KB
MD5

4bc84a1a436c849698fd54c0f921c2a1
SHA1

c7c7cb7b33da65ffc53ff9351b56802cb1561560
SHA256

25e5055023abbb8c18992618b6f04c94b8b13ff8bd33d4a4f8462d92902461bf
SHA512

c86ec6b9fef554818af6aacdc7df24bb7ad1813390f6e708c7b9cd385a274286419c3f738d55ef411a1be82cbf462e483525ef20e27a4b6b24ceb4fc99001f19
SSDEEP

12288:AUi2iNGOScG5vuP/0LdXxotCd76avsgLzK:AUi1AXHI/0v7/TLzK

Score

10^/10

formbook cnp0 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

cnp0

Decoy

jiarenyuanhunlian.com

xquizitelashesnwaxx.com

rentinerie.com

herbalpedia-id.com

openseagames.com

re-swap.com

william-cook.com

segensv.com

versebay.com

brendanlairdsound.com

bypestor.com

hospitaldelpc.net

wwwroadrunnerfinancial.com

waterhammerstudios.com

hustleandbank.photography

secure01bchslogin.com

rarepeperanking.com

greatland.company

happybirthdayjewel.com

raheok.store

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
behavioral2/memory/1356-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1152 set thread context of 1356	1152	JaffaCakes118_4bc84a1a436c849698fd54c0f921c2a1.exe	99

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	JaffaCakes118_4bc84a1a436c849698fd54c0f921c2a1.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1356	JaffaCakes118_4bc84a1a436c849698fd54c0f921c2a1.exe
1356	JaffaCakes118_4bc84a1a436c849698fd54c0f921c2a1.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1152 wrote to memory of 1356	1152	JaffaCakes118_4bc84a1a436c849698fd54c0f921c2a1.exe	99
PID 1152 wrote to memory of 1356	1152	JaffaCakes118_4bc84a1a436c849698fd54c0f921c2a1.exe	99
PID 1152 wrote to memory of 1356	1152	JaffaCakes118_4bc84a1a436c849698fd54c0f921c2a1.exe	99
PID 1152 wrote to memory of 1356	1152	JaffaCakes118_4bc84a1a436c849698fd54c0f921c2a1.exe	99
PID 1152 wrote to memory of 1356	1152	JaffaCakes118_4bc84a1a436c849698fd54c0f921c2a1.exe	99
PID 1152 wrote to memory of 1356	1152	JaffaCakes118_4bc84a1a436c849698fd54c0f921c2a1.exe	99

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4bc84a1a436c849698fd54c0f921c2a1.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4bc84a1a436c849698fd54c0f921c2a1.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1152
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4bc84a1a436c849698fd54c0f921c2a1.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4bc84a1a436c849698fd54c0f921c2a1.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1356

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/1152-6-0x0000000005A20000-0x0000000005A2E000-memory.dmp

Filesize
56KB

Download
memory/1152-8-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/1152-2-0x0000000005D70000-0x0000000006314000-memory.dmp

Filesize
5.6MB

Download
memory/1152-3-0x00000000057C0000-0x0000000005852000-memory.dmp

Filesize
584KB

Download
memory/1152-4-0x0000000005980000-0x000000000598A000-memory.dmp

Filesize
40KB

Download
memory/1152-5-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/1152-1-0x0000000000D90000-0x0000000000E0A000-memory.dmp

Filesize
488KB

Download
memory/1152-7-0x0000000074F0E000-0x0000000074F0F000-memory.dmp

Filesize
4KB

Download
memory/1152-0-0x0000000074F0E000-0x0000000074F0F000-memory.dmp

Filesize
4KB

Download
memory/1152-9-0x00000000065C0000-0x000000000665C000-memory.dmp

Filesize
624KB

Download
memory/1152-10-0x0000000006810000-0x0000000006868000-memory.dmp

Filesize
352KB

Download
memory/1152-13-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/1356-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1356-14-0x0000000001640000-0x000000000198A000-memory.dmp

Filesize
3.3MB

Download
memory/1356-15-0x0000000001640000-0x000000000198A000-memory.dmp

Filesize
3.3MB

Download