formbook | b9d684e2aa48529ee87c3b990311e091e94408b07d5cd77e16d0de0023e21405

Analysis

max time kernel
94s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-12-2024 16:47

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General

Target

542d6e28fa21ca093f75532f1dcdae0b4e4dae956cf4a0256ce28cf8c9ac05e8.exe
Size

557KB
MD5

42bde216c83352991cd642907bea67cb
SHA1

5a8b2814216d8e457d3ceb4c2df0ade4eab2671e
SHA256

542d6e28fa21ca093f75532f1dcdae0b4e4dae956cf4a0256ce28cf8c9ac05e8
SHA512

0ea1edfdc216f1625e68399cd3001a7e596ea54b701ca90504c842213e6febf0eeb3d803a7b580e08168282083e1f662cfe60b5553e0a29643d4fc1b3339dc56
SSDEEP

12288:aRi+dlERmJirAFRWks4n+WqUF6+KloUecMrGRuW/qDeFGVlYiKkvq:rh0FQks4nFqvloU/EgKlYQv

Score

10^/10

formbook d1n3 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

d1n3

Decoy

scrubbinsisters.com

kawuldim.com

pyttoin.xyz

iyraproperties.com

miaurora.net

cricutonlinesales.store

huangsanguai.com

chayaelements.store

giftexpress15.xyz

antiwardrobe.com

wiggly.site

avrecommendwiki.com

galabet472.com

invtips.com

tvpoy.xyz

raidencity.net

ripper66.com

ipoyce.online

xn--h6q362bj4mp5c.com

rooplaza.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Formbook family
formbook

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral2/memory/3832-13-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3832-17-0x0000000001180000-0x00000000014CA000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2296 set thread context of 3832	2296	542d6e28fa21ca093f75532f1dcdae0b4e4dae956cf4a0256ce28cf8c9ac05e8.exe	91

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	542d6e28fa21ca093f75532f1dcdae0b4e4dae956cf4a0256ce28cf8c9ac05e8.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3832	542d6e28fa21ca093f75532f1dcdae0b4e4dae956cf4a0256ce28cf8c9ac05e8.exe
3832	542d6e28fa21ca093f75532f1dcdae0b4e4dae956cf4a0256ce28cf8c9ac05e8.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2296 wrote to memory of 3832	2296	542d6e28fa21ca093f75532f1dcdae0b4e4dae956cf4a0256ce28cf8c9ac05e8.exe	91
PID 2296 wrote to memory of 3832	2296	542d6e28fa21ca093f75532f1dcdae0b4e4dae956cf4a0256ce28cf8c9ac05e8.exe	91
PID 2296 wrote to memory of 3832	2296	542d6e28fa21ca093f75532f1dcdae0b4e4dae956cf4a0256ce28cf8c9ac05e8.exe	91
PID 2296 wrote to memory of 3832	2296	542d6e28fa21ca093f75532f1dcdae0b4e4dae956cf4a0256ce28cf8c9ac05e8.exe	91
PID 2296 wrote to memory of 3832	2296	542d6e28fa21ca093f75532f1dcdae0b4e4dae956cf4a0256ce28cf8c9ac05e8.exe	91
PID 2296 wrote to memory of 3832	2296	542d6e28fa21ca093f75532f1dcdae0b4e4dae956cf4a0256ce28cf8c9ac05e8.exe	91

C:\Users\Admin\AppData\Local\Temp\542d6e28fa21ca093f75532f1dcdae0b4e4dae956cf4a0256ce28cf8c9ac05e8.exe
"C:\Users\Admin\AppData\Local\Temp\542d6e28fa21ca093f75532f1dcdae0b4e4dae956cf4a0256ce28cf8c9ac05e8.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2296
- C:\Users\Admin\AppData\Local\Temp\542d6e28fa21ca093f75532f1dcdae0b4e4dae956cf4a0256ce28cf8c9ac05e8.exe
  "C:\Users\Admin\AppData\Local\Temp\542d6e28fa21ca093f75532f1dcdae0b4e4dae956cf4a0256ce28cf8c9ac05e8.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3832

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/2296-8-0x0000000074B30000-0x00000000752E0000-memory.dmp

Filesize
7.7MB

Download
memory/2296-5-0x0000000074B30000-0x00000000752E0000-memory.dmp

Filesize
7.7MB

Download
memory/2296-0-0x0000000074B3E000-0x0000000074B3F000-memory.dmp

Filesize
4KB

Download
memory/2296-3-0x0000000004C30000-0x0000000004CC2000-memory.dmp

Filesize
584KB

Download
memory/2296-9-0x00000000077E0000-0x000000000787C000-memory.dmp

Filesize
624KB

Download
memory/2296-4-0x0000000004BC0000-0x0000000004BCA000-memory.dmp

Filesize
40KB

Download
memory/2296-6-0x0000000004DC0000-0x0000000004DCC000-memory.dmp

Filesize
48KB

Download
memory/2296-10-0x0000000007980000-0x00000000079F8000-memory.dmp

Filesize
480KB

Download
memory/2296-2-0x0000000005140000-0x00000000056E4000-memory.dmp

Filesize
5.6MB

Download
memory/2296-1-0x0000000000120000-0x00000000001B2000-memory.dmp

Filesize
584KB

Download
memory/2296-7-0x0000000074B3E000-0x0000000074B3F000-memory.dmp

Filesize
4KB

Download
memory/2296-11-0x0000000007AA0000-0x0000000007B06000-memory.dmp

Filesize
408KB

Download
memory/2296-12-0x0000000007750000-0x0000000007784000-memory.dmp

Filesize
208KB

Download
memory/2296-15-0x0000000074B30000-0x00000000752E0000-memory.dmp

Filesize
7.7MB

Download
memory/3832-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3832-16-0x0000000001180000-0x00000000014CA000-memory.dmp

Filesize
3.3MB

Download
memory/3832-17-0x0000000001180000-0x00000000014CA000-memory.dmp

Filesize
3.3MB

Download