formbook | 63e3b4304b855b3219c28b8d5306241564ac5f1752a01b5b793ee7733b4c69a7

General

Target

63e3b4304b855b3219c28b8d5306241564ac5f1752a01b5b793ee7733b4c69a7.exe
Size

632KB
MD5

44e15810a7cc4c85a45c0d786e795904
SHA1

6a13dd37d6ab5a44c4ecdc602a8175d32ade0450
SHA256

63e3b4304b855b3219c28b8d5306241564ac5f1752a01b5b793ee7733b4c69a7
SHA512

7702302ec0a34ee53e3084a98f23f2af241c70f2c74eb08da948a95a0e9a8cbfacb27e76f7e3175f85b9e88da4d80fced80aafdf1d2739dfce28bee99864650b
SSDEEP

12288:wunSY+aZrwrLxdgGs2oPDNDZsS00YykWQ0F3ytl2In54Ci8wzk:n/4rLzgGsRBDZBkWQ0F35InfiR

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/3920-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 528 set thread context of 3920	528	63e3b4304b855b3219c28b8d5306241564ac5f1752a01b5b793ee7733b4c69a7.exe	95

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	63e3b4304b855b3219c28b8d5306241564ac5f1752a01b5b793ee7733b4c69a7.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
528	63e3b4304b855b3219c28b8d5306241564ac5f1752a01b5b793ee7733b4c69a7.exe
528	63e3b4304b855b3219c28b8d5306241564ac5f1752a01b5b793ee7733b4c69a7.exe
3920	63e3b4304b855b3219c28b8d5306241564ac5f1752a01b5b793ee7733b4c69a7.exe
3920	63e3b4304b855b3219c28b8d5306241564ac5f1752a01b5b793ee7733b4c69a7.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	528	63e3b4304b855b3219c28b8d5306241564ac5f1752a01b5b793ee7733b4c69a7.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 528 wrote to memory of 1968	528	63e3b4304b855b3219c28b8d5306241564ac5f1752a01b5b793ee7733b4c69a7.exe	94
PID 528 wrote to memory of 1968	528	63e3b4304b855b3219c28b8d5306241564ac5f1752a01b5b793ee7733b4c69a7.exe	94
PID 528 wrote to memory of 1968	528	63e3b4304b855b3219c28b8d5306241564ac5f1752a01b5b793ee7733b4c69a7.exe	94
PID 528 wrote to memory of 3920	528	63e3b4304b855b3219c28b8d5306241564ac5f1752a01b5b793ee7733b4c69a7.exe	95
PID 528 wrote to memory of 3920	528	63e3b4304b855b3219c28b8d5306241564ac5f1752a01b5b793ee7733b4c69a7.exe	95
PID 528 wrote to memory of 3920	528	63e3b4304b855b3219c28b8d5306241564ac5f1752a01b5b793ee7733b4c69a7.exe	95
PID 528 wrote to memory of 3920	528	63e3b4304b855b3219c28b8d5306241564ac5f1752a01b5b793ee7733b4c69a7.exe	95
PID 528 wrote to memory of 3920	528	63e3b4304b855b3219c28b8d5306241564ac5f1752a01b5b793ee7733b4c69a7.exe	95
PID 528 wrote to memory of 3920	528	63e3b4304b855b3219c28b8d5306241564ac5f1752a01b5b793ee7733b4c69a7.exe	95

C:\Users\Admin\AppData\Local\Temp\63e3b4304b855b3219c28b8d5306241564ac5f1752a01b5b793ee7733b4c69a7.exe
"C:\Users\Admin\AppData\Local\Temp\63e3b4304b855b3219c28b8d5306241564ac5f1752a01b5b793ee7733b4c69a7.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:528
- C:\Users\Admin\AppData\Local\Temp\63e3b4304b855b3219c28b8d5306241564ac5f1752a01b5b793ee7733b4c69a7.exe
  "C:\Users\Admin\AppData\Local\Temp\63e3b4304b855b3219c28b8d5306241564ac5f1752a01b5b793ee7733b4c69a7.exe"
  2⤵
  PID:1968
- C:\Users\Admin\AppData\Local\Temp\63e3b4304b855b3219c28b8d5306241564ac5f1752a01b5b793ee7733b4c69a7.exe
  "C:\Users\Admin\AppData\Local\Temp\63e3b4304b855b3219c28b8d5306241564ac5f1752a01b5b793ee7733b4c69a7.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3920

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/528-6-0x00000000056A0000-0x00000000056B2000-memory.dmp

Filesize
72KB

Download
memory/528-0-0x0000000074A1E000-0x0000000074A1F000-memory.dmp

Filesize
4KB

Download
memory/528-2-0x0000000005BB0000-0x0000000006154000-memory.dmp

Filesize
5.6MB

Download
memory/528-3-0x0000000005530000-0x00000000055C2000-memory.dmp

Filesize
584KB

Download
memory/528-5-0x0000000074A10000-0x00000000751C0000-memory.dmp

Filesize
7.7MB

Download
memory/528-4-0x00000000055E0000-0x00000000055EA000-memory.dmp

Filesize
40KB

Download
memory/528-1-0x0000000000AB0000-0x0000000000B54000-memory.dmp

Filesize
656KB

Download
memory/528-7-0x00000000057D0000-0x00000000057DA000-memory.dmp

Filesize
40KB

Download
memory/528-10-0x0000000008660000-0x00000000086FC000-memory.dmp

Filesize
624KB

Download
memory/528-9-0x0000000006160000-0x00000000061D6000-memory.dmp

Filesize
472KB

Download
memory/528-8-0x00000000057F0000-0x00000000057FE000-memory.dmp

Filesize
56KB

Download
memory/528-13-0x0000000074A10000-0x00000000751C0000-memory.dmp

Filesize
7.7MB

Download
memory/3920-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3920-14-0x0000000001690000-0x00000000019DA000-memory.dmp

Filesize
3.3MB

Download

Analysis

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