formbook | 53ad0f8f3f0f686856a1631a2306cdf452941dc35e5ddd3f79ec819d118a8c8c

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 21:59

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General

Target

497b0213c42c51705d4db1a404852919b6c362bc32db6dd0c412bc16e9f5b305.exe
Size

856KB
MD5

172a2a2d331ca81aa7f36024017ba6f1
SHA1

7f85bb529d373a22de7ec615c412a9001a01a36c
SHA256

497b0213c42c51705d4db1a404852919b6c362bc32db6dd0c412bc16e9f5b305
SHA512

bf00d95f0f89c457e8e9afa69d925df2aa9daf452a7b7cc055dd74483ea9f927eb5ba8f2fa66c0557578edad6f70c28cd24891d27bfcdd3ada522327bb234fd0
SSDEEP

12288:OJpCxkfn9Z81c4ozkgRS8mrFGMVlkm8IpOQnFwTADqjJ5n:mfnP8O4oz/tAGM3kmp0QFkjr

Score

10^/10

formbook fuyb discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

fuyb

Decoy

ySqkimeTE13H2ewGja9LGg==

c6a/mIndrz59qJ+/EZkF1VoKrQ==

puyjGw1Sa0A3VV4KDnqRFhr2jQC3fkc=

AjQ3LKQUXkyY6xtK/7v2VD32hgC3fkc=

zDZkS4/T4a3VFha4ja9LGg==

JYyS87zY2KSlwbAZq3Qx

Ip0fCecSq7T3ahlotm5p155TI2M/

ipYI7ki2JoP3FTV3DtjWeBqU

OG8mkGOZ5vPkBbwTIYpvwW92C8E=

GqbksepyJ6UgcFGPUA==

1zpmT4/g7AdL

2/gE2eXTnxzbcFGPUA==

CpK1phq0TrU3RnkgGKxt6tY=

4CmsHJMoNyxlsVaFx6W+iDee

+XypJGn7A+XcAFHrZ9Y6

UIAQW44G/tnX6JtM0n7UvqqR

6DHlWlGVuDDXcFGPUA==

Vp7L/Td2KXf8HL/RDePWeBqU

SnchgsBScnGwB7yvQgEqQPV0f8k=

wgMo/D7YcYh7ezwb6js=

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2648 set thread context of 2776	2648	497b0213c42c51705d4db1a404852919b6c362bc32db6dd0c412bc16e9f5b305.exe	30

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	497b0213c42c51705d4db1a404852919b6c362bc32db6dd0c412bc16e9f5b305.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2776	497b0213c42c51705d4db1a404852919b6c362bc32db6dd0c412bc16e9f5b305.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2648 wrote to memory of 2776	2648	497b0213c42c51705d4db1a404852919b6c362bc32db6dd0c412bc16e9f5b305.exe	30
PID 2648 wrote to memory of 2776	2648	497b0213c42c51705d4db1a404852919b6c362bc32db6dd0c412bc16e9f5b305.exe	30
PID 2648 wrote to memory of 2776	2648	497b0213c42c51705d4db1a404852919b6c362bc32db6dd0c412bc16e9f5b305.exe	30
PID 2648 wrote to memory of 2776	2648	497b0213c42c51705d4db1a404852919b6c362bc32db6dd0c412bc16e9f5b305.exe	30
PID 2648 wrote to memory of 2776	2648	497b0213c42c51705d4db1a404852919b6c362bc32db6dd0c412bc16e9f5b305.exe	30
PID 2648 wrote to memory of 2776	2648	497b0213c42c51705d4db1a404852919b6c362bc32db6dd0c412bc16e9f5b305.exe	30
PID 2648 wrote to memory of 2776	2648	497b0213c42c51705d4db1a404852919b6c362bc32db6dd0c412bc16e9f5b305.exe	30

C:\Users\Admin\AppData\Local\Temp\497b0213c42c51705d4db1a404852919b6c362bc32db6dd0c412bc16e9f5b305.exe
"C:\Users\Admin\AppData\Local\Temp\497b0213c42c51705d4db1a404852919b6c362bc32db6dd0c412bc16e9f5b305.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2648
- C:\Users\Admin\AppData\Local\Temp\497b0213c42c51705d4db1a404852919b6c362bc32db6dd0c412bc16e9f5b305.exe
  "{path}"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2776

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/2648-8-0x0000000000AD0000-0x0000000000B04000-memory.dmp

Filesize
208KB

Download
memory/2648-6-0x0000000074BE0000-0x00000000752CE000-memory.dmp

Filesize
6.9MB

Download
memory/2648-2-0x0000000074BE0000-0x00000000752CE000-memory.dmp

Filesize
6.9MB

Download
memory/2648-3-0x00000000008D0000-0x00000000008F0000-memory.dmp

Filesize
128KB

Download
memory/2648-0-0x0000000074BEE000-0x0000000074BEF000-memory.dmp

Filesize
4KB

Download
memory/2648-5-0x0000000074BEE000-0x0000000074BEF000-memory.dmp

Filesize
4KB

Download
memory/2648-1-0x0000000001160000-0x000000000123C000-memory.dmp

Filesize
880KB

Download
memory/2648-7-0x0000000005370000-0x00000000053FC000-memory.dmp

Filesize
560KB

Download
memory/2648-4-0x0000000074BE0000-0x00000000752CE000-memory.dmp

Filesize
6.9MB

Download
memory/2648-17-0x0000000074BE0000-0x00000000752CE000-memory.dmp

Filesize
6.9MB

Download
memory/2776-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2776-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2776-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2776-18-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2776-19-0x0000000000850000-0x0000000000B53000-memory.dmp

Filesize
3.0MB

Download
memory/2776-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download