formbook | a1ce25c899ff86db4e54d042569e0a996d399dcc9a701b551999b1edeb2acb89

Analysis

max time kernel
111s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
27-07-2024 10:19

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General

Target

b5c5bfa486e42a1f753a993f5fd4c850N.exe
Size

638KB
MD5

b5c5bfa486e42a1f753a993f5fd4c850
SHA1

a6e3226e45c448c599bcc694a81ff9dc5d7b05b3
SHA256

a1ce25c899ff86db4e54d042569e0a996d399dcc9a701b551999b1edeb2acb89
SHA512

fcae4141137f6ccb4210564a16d88c6ffa46addb6d83e435362141219374d7c22b3af2b8f6c9ceb0cbc8568348cb2cdaa1a3af40ab09188d6bb53b5de0338f33
SSDEEP

12288:BhhwoIc0qIL6oPA6bBOcMLyNjYzRIvcjZoUMNA7MCoORaEZ/zy4KBX:BbwoIc0qIk6bBOJyN4pZNKA4sbdc

Score

10^/10

formbook v15n discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

v15n

Decoy

dyahwoahjuk.store

toysstorm.com

y7rak9.com

2222233p6.shop

betbox2341.com

visualvarta.com

nijssenadventures.com

main-12.site

leng4d.net

kurainu.xyz

hatesa.xyz

culturamosaica.com

supermallify.store

gigboard.app

rxforgive.com

ameliestones.com

kapalwin.live

tier.credit

sobol-ksa.com

faredeal.online

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/1840-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4032 set thread context of 1840	4032	b5c5bfa486e42a1f753a993f5fd4c850N.exe	96

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	b5c5bfa486e42a1f753a993f5fd4c850N.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4032	b5c5bfa486e42a1f753a993f5fd4c850N.exe
4032	b5c5bfa486e42a1f753a993f5fd4c850N.exe
4032	b5c5bfa486e42a1f753a993f5fd4c850N.exe
4032	b5c5bfa486e42a1f753a993f5fd4c850N.exe
1840	b5c5bfa486e42a1f753a993f5fd4c850N.exe
1840	b5c5bfa486e42a1f753a993f5fd4c850N.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4032	b5c5bfa486e42a1f753a993f5fd4c850N.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4032 wrote to memory of 3212	4032	b5c5bfa486e42a1f753a993f5fd4c850N.exe	94
PID 4032 wrote to memory of 3212	4032	b5c5bfa486e42a1f753a993f5fd4c850N.exe	94
PID 4032 wrote to memory of 3212	4032	b5c5bfa486e42a1f753a993f5fd4c850N.exe	94
PID 4032 wrote to memory of 3000	4032	b5c5bfa486e42a1f753a993f5fd4c850N.exe	95
PID 4032 wrote to memory of 3000	4032	b5c5bfa486e42a1f753a993f5fd4c850N.exe	95
PID 4032 wrote to memory of 3000	4032	b5c5bfa486e42a1f753a993f5fd4c850N.exe	95
PID 4032 wrote to memory of 1840	4032	b5c5bfa486e42a1f753a993f5fd4c850N.exe	96
PID 4032 wrote to memory of 1840	4032	b5c5bfa486e42a1f753a993f5fd4c850N.exe	96
PID 4032 wrote to memory of 1840	4032	b5c5bfa486e42a1f753a993f5fd4c850N.exe	96
PID 4032 wrote to memory of 1840	4032	b5c5bfa486e42a1f753a993f5fd4c850N.exe	96
PID 4032 wrote to memory of 1840	4032	b5c5bfa486e42a1f753a993f5fd4c850N.exe	96
PID 4032 wrote to memory of 1840	4032	b5c5bfa486e42a1f753a993f5fd4c850N.exe	96

C:\Users\Admin\AppData\Local\Temp\b5c5bfa486e42a1f753a993f5fd4c850N.exe
"C:\Users\Admin\AppData\Local\Temp\b5c5bfa486e42a1f753a993f5fd4c850N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4032
- C:\Users\Admin\AppData\Local\Temp\b5c5bfa486e42a1f753a993f5fd4c850N.exe
  "C:\Users\Admin\AppData\Local\Temp\b5c5bfa486e42a1f753a993f5fd4c850N.exe"
  2⤵
  PID:3212
- C:\Users\Admin\AppData\Local\Temp\b5c5bfa486e42a1f753a993f5fd4c850N.exe
  "C:\Users\Admin\AppData\Local\Temp\b5c5bfa486e42a1f753a993f5fd4c850N.exe"
  2⤵
  PID:3000
- C:\Users\Admin\AppData\Local\Temp\b5c5bfa486e42a1f753a993f5fd4c850N.exe
  "C:\Users\Admin\AppData\Local\Temp\b5c5bfa486e42a1f753a993f5fd4c850N.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1840

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/1840-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1840-13-0x00000000010A0000-0x00000000013EA000-memory.dmp

Filesize
3.3MB

Download
memory/4032-6-0x0000000005910000-0x0000000005924000-memory.dmp

Filesize
80KB

Download
memory/4032-3-0x00000000055B0000-0x0000000005642000-memory.dmp

Filesize
584KB

Download
memory/4032-4-0x0000000005670000-0x000000000567A000-memory.dmp

Filesize
40KB

Download
memory/4032-5-0x0000000074C20000-0x00000000753D0000-memory.dmp

Filesize
7.7MB

Download
memory/4032-0-0x0000000074C2E000-0x0000000074C2F000-memory.dmp

Filesize
4KB

Download
memory/4032-7-0x0000000005A40000-0x0000000005A4A000-memory.dmp

Filesize
40KB

Download
memory/4032-8-0x0000000005A50000-0x0000000005A5E000-memory.dmp

Filesize
56KB

Download
memory/4032-9-0x0000000006FC0000-0x0000000007036000-memory.dmp

Filesize
472KB

Download
memory/4032-10-0x00000000096A0000-0x000000000973C000-memory.dmp

Filesize
624KB

Download
memory/4032-2-0x0000000005C50000-0x00000000061F4000-memory.dmp

Filesize
5.6MB

Download
memory/4032-1-0x0000000000B30000-0x0000000000BD6000-memory.dmp

Filesize
664KB

Download
memory/4032-14-0x0000000074C20000-0x00000000753D0000-memory.dmp

Filesize
7.7MB

Download