formbook | 14d4d6df33e96af2a1d5ef8f8e7f6f1b914b0342b219c75f812848f52bc27628

Analysis

max time kernel
133s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29-08-2024 06:19

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General

Target

14d4d6df33e96af2a1d5ef8f8e7f6f1b914b0342b219c75f812848f52bc27628.exe
Size

604KB
MD5

dd2e0becfb1316c49975386fc3367c45
SHA1

98c578ff997ef781919ca5967251fa9d462a756e
SHA256

14d4d6df33e96af2a1d5ef8f8e7f6f1b914b0342b219c75f812848f52bc27628
SHA512

4768fa7aa32dc02e958c8506880311bb0d4fa5a9cd9fcdc6581a8349b1d85b3323513d28018b55ffbdb79e440e4b371dfb260cbd097ffd2279993b9a1a416bfb
SSDEEP

12288:MVVeXpcIofxcshf8R5wjY/nCdfpfwzW2kTFzcdppLLO:eePofZhf8BnCbft2kajy

Score

10^/10

formbook b48n discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

b48n

Decoy

anifestmindset.net

ommybahamabigsales.shop

3tcxr.xyz

iano-world.net

rconf23.net

atherpa.shop

trllrpartners.club

5sawit777.pro

ctbhuxcdreioijresol.top

opinatlas.app

pinstar.xyz

mfengwa.top

8games13.xyz

tickpaket.online

iphuodongallbbtbtm.top

ental-bridges-51593.bond

laywithkemon.rest

lkpiou.xyz

a88.land

igfloppafan.club

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
behavioral1/memory/3256-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4308 set thread context of 3256	4308	14d4d6df33e96af2a1d5ef8f8e7f6f1b914b0342b219c75f812848f52bc27628.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	14d4d6df33e96af2a1d5ef8f8e7f6f1b914b0342b219c75f812848f52bc27628.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3256	14d4d6df33e96af2a1d5ef8f8e7f6f1b914b0342b219c75f812848f52bc27628.exe
3256	14d4d6df33e96af2a1d5ef8f8e7f6f1b914b0342b219c75f812848f52bc27628.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4308 wrote to memory of 3256	4308	14d4d6df33e96af2a1d5ef8f8e7f6f1b914b0342b219c75f812848f52bc27628.exe	95
PID 4308 wrote to memory of 3256	4308	14d4d6df33e96af2a1d5ef8f8e7f6f1b914b0342b219c75f812848f52bc27628.exe	95
PID 4308 wrote to memory of 3256	4308	14d4d6df33e96af2a1d5ef8f8e7f6f1b914b0342b219c75f812848f52bc27628.exe	95
PID 4308 wrote to memory of 3256	4308	14d4d6df33e96af2a1d5ef8f8e7f6f1b914b0342b219c75f812848f52bc27628.exe	95
PID 4308 wrote to memory of 3256	4308	14d4d6df33e96af2a1d5ef8f8e7f6f1b914b0342b219c75f812848f52bc27628.exe	95
PID 4308 wrote to memory of 3256	4308	14d4d6df33e96af2a1d5ef8f8e7f6f1b914b0342b219c75f812848f52bc27628.exe	95

C:\Users\Admin\AppData\Local\Temp\14d4d6df33e96af2a1d5ef8f8e7f6f1b914b0342b219c75f812848f52bc27628.exe
"C:\Users\Admin\AppData\Local\Temp\14d4d6df33e96af2a1d5ef8f8e7f6f1b914b0342b219c75f812848f52bc27628.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4308
- C:\Users\Admin\AppData\Local\Temp\14d4d6df33e96af2a1d5ef8f8e7f6f1b914b0342b219c75f812848f52bc27628.exe
  "C:\Users\Admin\AppData\Local\Temp\14d4d6df33e96af2a1d5ef8f8e7f6f1b914b0342b219c75f812848f52bc27628.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3256

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/3256-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3256-14-0x0000000001310000-0x000000000165A000-memory.dmp

Filesize
3.3MB

Download
memory/4308-6-0x0000000006200000-0x0000000006218000-memory.dmp

Filesize
96KB

Download
memory/4308-3-0x0000000004E70000-0x0000000004F02000-memory.dmp

Filesize
584KB

Download
memory/4308-4-0x00000000747A0000-0x0000000074F50000-memory.dmp

Filesize
7.7MB

Download
memory/4308-5-0x0000000004F80000-0x0000000004F8A000-memory.dmp

Filesize
40KB

Download
memory/4308-0-0x00000000747AE000-0x00000000747AF000-memory.dmp

Filesize
4KB

Download
memory/4308-7-0x00000000747AE000-0x00000000747AF000-memory.dmp

Filesize
4KB

Download
memory/4308-8-0x00000000747A0000-0x0000000074F50000-memory.dmp

Filesize
7.7MB

Download
memory/4308-9-0x0000000006240000-0x00000000062B6000-memory.dmp

Filesize
472KB

Download
memory/4308-10-0x000000000A0E0000-0x000000000A17C000-memory.dmp

Filesize
624KB

Download
memory/4308-2-0x0000000005420000-0x00000000059C4000-memory.dmp

Filesize
5.6MB

Download
memory/4308-13-0x00000000747A0000-0x0000000074F50000-memory.dmp

Filesize
7.7MB

Download
memory/4308-1-0x00000000003E0000-0x000000000047C000-memory.dmp

Filesize
624KB

Download