formbook | 5c9ae21073af32232996e56ea997bd90f612831cc82809260bc47d83cfe291f6

Analysis

max time kernel
135s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01-09-2024 01:35

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General

Target

8b10a744ecc77aa0c6ed8596d46513a3de252356f9a1b52cc7c6e8ed459c36b9.exe
Size

922KB
MD5

abf416a9f8f2da1f9bd6e44a9369ae21
SHA1

73bdbf62470ebc25850cb22d9c7e3bc2006c9f01
SHA256

8b10a744ecc77aa0c6ed8596d46513a3de252356f9a1b52cc7c6e8ed459c36b9
SHA512

75d5eb0f8ffb05299aa2225b61cad1ff24749140d469b130e5d57a5f6ee99a6a727bcbb73595ef8d8d35ecf50a54caab1caaaec604bc6a9dfa12abb351be4638
SSDEEP

12288:2TDDXJN68jyeZfaGkH7GtKdOv+CbjReMUCPvti/o7qZn57aypHtNpI:2Fr7WH7ndOWCbjZ5Niw7A3a

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 payload 1 IoCs

rat

resource	yara_rule
behavioral2/memory/2240-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1888 set thread context of 2240	1888	8b10a744ecc77aa0c6ed8596d46513a3de252356f9a1b52cc7c6e8ed459c36b9.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	8b10a744ecc77aa0c6ed8596d46513a3de252356f9a1b52cc7c6e8ed459c36b9.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2240	8b10a744ecc77aa0c6ed8596d46513a3de252356f9a1b52cc7c6e8ed459c36b9.exe
2240	8b10a744ecc77aa0c6ed8596d46513a3de252356f9a1b52cc7c6e8ed459c36b9.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1888 wrote to memory of 2240	1888	8b10a744ecc77aa0c6ed8596d46513a3de252356f9a1b52cc7c6e8ed459c36b9.exe	99
PID 1888 wrote to memory of 2240	1888	8b10a744ecc77aa0c6ed8596d46513a3de252356f9a1b52cc7c6e8ed459c36b9.exe	99
PID 1888 wrote to memory of 2240	1888	8b10a744ecc77aa0c6ed8596d46513a3de252356f9a1b52cc7c6e8ed459c36b9.exe	99
PID 1888 wrote to memory of 2240	1888	8b10a744ecc77aa0c6ed8596d46513a3de252356f9a1b52cc7c6e8ed459c36b9.exe	99
PID 1888 wrote to memory of 2240	1888	8b10a744ecc77aa0c6ed8596d46513a3de252356f9a1b52cc7c6e8ed459c36b9.exe	99
PID 1888 wrote to memory of 2240	1888	8b10a744ecc77aa0c6ed8596d46513a3de252356f9a1b52cc7c6e8ed459c36b9.exe	99

C:\Users\Admin\AppData\Local\Temp\8b10a744ecc77aa0c6ed8596d46513a3de252356f9a1b52cc7c6e8ed459c36b9.exe
"C:\Users\Admin\AppData\Local\Temp\8b10a744ecc77aa0c6ed8596d46513a3de252356f9a1b52cc7c6e8ed459c36b9.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1888
- C:\Users\Admin\AppData\Local\Temp\8b10a744ecc77aa0c6ed8596d46513a3de252356f9a1b52cc7c6e8ed459c36b9.exe
  "C:\Users\Admin\AppData\Local\Temp\8b10a744ecc77aa0c6ed8596d46513a3de252356f9a1b52cc7c6e8ed459c36b9.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/1888-6-0x0000000008010000-0x000000000801E000-memory.dmp

Filesize
56KB

Download
memory/1888-0-0x000000007528E000-0x000000007528F000-memory.dmp

Filesize
4KB

Download
memory/1888-2-0x0000000008260000-0x0000000008804000-memory.dmp

Filesize
5.6MB

Download
memory/1888-3-0x0000000007D90000-0x0000000007E22000-memory.dmp

Filesize
584KB

Download
memory/1888-4-0x00000000031A0000-0x00000000031AA000-memory.dmp

Filesize
40KB

Download
memory/1888-5-0x0000000075280000-0x0000000075A30000-memory.dmp

Filesize
7.7MB

Download
memory/1888-1-0x0000000000DD0000-0x0000000000EBE000-memory.dmp

Filesize
952KB

Download
memory/1888-7-0x000000007528E000-0x000000007528F000-memory.dmp

Filesize
4KB

Download
memory/1888-10-0x0000000009350000-0x00000000093A8000-memory.dmp

Filesize
352KB

Download
memory/1888-9-0x0000000009260000-0x00000000092FC000-memory.dmp

Filesize
624KB

Download
memory/1888-8-0x0000000075280000-0x0000000075A30000-memory.dmp

Filesize
7.7MB

Download
memory/1888-13-0x0000000075280000-0x0000000075A30000-memory.dmp

Filesize
7.7MB

Download
memory/2240-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2240-14-0x00000000011A0000-0x00000000014EA000-memory.dmp

Filesize
3.3MB

Download