formbook | 7b32b34b1b2bdfd9bb7e0b9b2dcf8b8ad652a941ff20a6e60419e47744506e65

Analysis

max time kernel
92s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-12-2024 13:11

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General

Target

5c2681ca119f8cc0c779cd305088751e4e584600c60da1b0f4b740396d7cd5b2.exe
Size

639KB
MD5

73bbba751e9367feea87e8c6b631fe74
SHA1

0696c691d4a736ccd993c2a2fe9fa052338458a9
SHA256

5c2681ca119f8cc0c779cd305088751e4e584600c60da1b0f4b740396d7cd5b2
SHA512

3e20a45d5e3f3a5ed4d3cf3804e8a9da593896b9c8c8879deda1198cbc31d4ac94a56ec15d1800eea442662818c4967084f4e25b4fe38bd2d4a21bc17ec22c08
SSDEEP

12288:FOjwBJ1xeFyE79nRkCBF5nDdV02vyLNyGGqjKfIBeGeBJ1:FXBJreFVBnZ5DT0QG2IMBJ

Score

10^/10

formbook g8dj discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

g8dj

Decoy

alenabatik.com

virginiaflowertruck.com

duasirmasespacodebeleza.com

quantobastafestival.com

automationfyre.com

timepiecesforlife.com

safeversion.com

uziforever.xyz

praxz.com

atlasbet273.com

mzczb.xyz

chrisanddimiswedding.com

ywedomedrkrjn.com

dxalmuxp.com

barbergnaum.com

stexl.link

cansohio.com

gopintyourself.com

ivoryowl.net

vacation-discounts.com

Signatures

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

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral2/memory/3960-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4704 set thread context of 3960	4704	5c2681ca119f8cc0c779cd305088751e4e584600c60da1b0f4b740396d7cd5b2.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	5c2681ca119f8cc0c779cd305088751e4e584600c60da1b0f4b740396d7cd5b2.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3960	5c2681ca119f8cc0c779cd305088751e4e584600c60da1b0f4b740396d7cd5b2.exe
3960	5c2681ca119f8cc0c779cd305088751e4e584600c60da1b0f4b740396d7cd5b2.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4704 wrote to memory of 3960	4704	5c2681ca119f8cc0c779cd305088751e4e584600c60da1b0f4b740396d7cd5b2.exe	99
PID 4704 wrote to memory of 3960	4704	5c2681ca119f8cc0c779cd305088751e4e584600c60da1b0f4b740396d7cd5b2.exe	99
PID 4704 wrote to memory of 3960	4704	5c2681ca119f8cc0c779cd305088751e4e584600c60da1b0f4b740396d7cd5b2.exe	99
PID 4704 wrote to memory of 3960	4704	5c2681ca119f8cc0c779cd305088751e4e584600c60da1b0f4b740396d7cd5b2.exe	99
PID 4704 wrote to memory of 3960	4704	5c2681ca119f8cc0c779cd305088751e4e584600c60da1b0f4b740396d7cd5b2.exe	99
PID 4704 wrote to memory of 3960	4704	5c2681ca119f8cc0c779cd305088751e4e584600c60da1b0f4b740396d7cd5b2.exe	99

C:\Users\Admin\AppData\Local\Temp\5c2681ca119f8cc0c779cd305088751e4e584600c60da1b0f4b740396d7cd5b2.exe
"C:\Users\Admin\AppData\Local\Temp\5c2681ca119f8cc0c779cd305088751e4e584600c60da1b0f4b740396d7cd5b2.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4704
- C:\Users\Admin\AppData\Local\Temp\5c2681ca119f8cc0c779cd305088751e4e584600c60da1b0f4b740396d7cd5b2.exe
  "C:\Users\Admin\AppData\Local\Temp\5c2681ca119f8cc0c779cd305088751e4e584600c60da1b0f4b740396d7cd5b2.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3960

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/3960-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3960-14-0x0000000001830000-0x0000000001B7A000-memory.dmp

Filesize
3.3MB

Download
memory/4704-6-0x0000000005DB0000-0x0000000005DBC000-memory.dmp

Filesize
48KB

Download
memory/4704-3-0x0000000005980000-0x0000000005A12000-memory.dmp

Filesize
584KB

Download
memory/4704-4-0x0000000005A30000-0x0000000005A3A000-memory.dmp

Filesize
40KB

Download
memory/4704-5-0x00000000747E0000-0x0000000074F90000-memory.dmp

Filesize
7.7MB

Download
memory/4704-0-0x00000000747EE000-0x00000000747EF000-memory.dmp

Filesize
4KB

Download
memory/4704-7-0x00000000747EE000-0x00000000747EF000-memory.dmp

Filesize
4KB

Download
memory/4704-8-0x00000000747E0000-0x0000000074F90000-memory.dmp

Filesize
7.7MB

Download
memory/4704-9-0x0000000006950000-0x00000000069EC000-memory.dmp

Filesize
624KB

Download
memory/4704-10-0x0000000006CB0000-0x0000000006D16000-memory.dmp

Filesize
408KB

Download
memory/4704-2-0x0000000005E30000-0x00000000063D4000-memory.dmp

Filesize
5.6MB

Download
memory/4704-13-0x00000000747E0000-0x0000000074F90000-memory.dmp

Filesize
7.7MB

Download
memory/4704-1-0x0000000000EF0000-0x0000000000F96000-memory.dmp

Filesize
664KB

Download