formbook | db9f25fb75c540c9e3a7a51f43417709db7ce74b552a3b97cbc785d4df15790f

Analysis

max time kernel
96s
max time network
145s
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 18:38

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General

Target

b479031f60b7199b24937d75aed26bc7bab0c3a20a8f79cd18d89a69c8ba8fe1.exe
Size

738KB
MD5

aeb7c4a1980beda13861ec919daacec8
SHA1

240df48558a0a96ce28c4f330951d68f9fb47ef7
SHA256

b479031f60b7199b24937d75aed26bc7bab0c3a20a8f79cd18d89a69c8ba8fe1
SHA512

d992ed2f63afb26587b607b8c0dbc077b40986d34234c1adb011b9df4dbdc38c3347a2fa42e8b290d8246f5fa3ee1b310a9d747540b31f0455f6682424a5d8ce
SSDEEP

12288:B+w6SIcd1AaaPTiQMSzHYf+yGyJnwm7k9Ha60QruW+9OIo03haKv:Iwz07TFMAUJ3J5kEqpA9v

Score

10^/10

formbook v05y discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

v05y

Decoy

vlastasamsonth.com

swankyeaters.com

digitalstar.info

katouchcommodity.com

armyworm51pud.com

shazhou.xyz

literatureforscience.com

nemitchel.com

embodiedwomanhood.com

clearoneadvange.com

cres.network

stanbicserv.com

theazted.com

trochumotorsltd.com

danielleclamare.com

solotime111.com

fancyproduct.space

starlinkinvestltd.com

famanhico.xyz

mgzz093.xyz

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/4196-13-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2716 set thread context of 4196	2716	b479031f60b7199b24937d75aed26bc7bab0c3a20a8f79cd18d89a69c8ba8fe1.exe	101

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	b479031f60b7199b24937d75aed26bc7bab0c3a20a8f79cd18d89a69c8ba8fe1.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4196	b479031f60b7199b24937d75aed26bc7bab0c3a20a8f79cd18d89a69c8ba8fe1.exe
4196	b479031f60b7199b24937d75aed26bc7bab0c3a20a8f79cd18d89a69c8ba8fe1.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2716 wrote to memory of 4196	2716	b479031f60b7199b24937d75aed26bc7bab0c3a20a8f79cd18d89a69c8ba8fe1.exe	101
PID 2716 wrote to memory of 4196	2716	b479031f60b7199b24937d75aed26bc7bab0c3a20a8f79cd18d89a69c8ba8fe1.exe	101
PID 2716 wrote to memory of 4196	2716	b479031f60b7199b24937d75aed26bc7bab0c3a20a8f79cd18d89a69c8ba8fe1.exe	101
PID 2716 wrote to memory of 4196	2716	b479031f60b7199b24937d75aed26bc7bab0c3a20a8f79cd18d89a69c8ba8fe1.exe	101
PID 2716 wrote to memory of 4196	2716	b479031f60b7199b24937d75aed26bc7bab0c3a20a8f79cd18d89a69c8ba8fe1.exe	101
PID 2716 wrote to memory of 4196	2716	b479031f60b7199b24937d75aed26bc7bab0c3a20a8f79cd18d89a69c8ba8fe1.exe	101

C:\Users\Admin\AppData\Local\Temp\b479031f60b7199b24937d75aed26bc7bab0c3a20a8f79cd18d89a69c8ba8fe1.exe
"C:\Users\Admin\AppData\Local\Temp\b479031f60b7199b24937d75aed26bc7bab0c3a20a8f79cd18d89a69c8ba8fe1.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2716
- C:\Users\Admin\AppData\Local\Temp\b479031f60b7199b24937d75aed26bc7bab0c3a20a8f79cd18d89a69c8ba8fe1.exe
  "C:\Users\Admin\AppData\Local\Temp\b479031f60b7199b24937d75aed26bc7bab0c3a20a8f79cd18d89a69c8ba8fe1.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4196

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/2716-8-0x0000000074DB0000-0x0000000075560000-memory.dmp

Filesize
7.7MB

Download
memory/2716-6-0x00000000054D0000-0x00000000054E6000-memory.dmp

Filesize
88KB

Download
memory/2716-2-0x0000000005700000-0x0000000005CA4000-memory.dmp

Filesize
5.6MB

Download
memory/2716-3-0x0000000005150000-0x00000000051E2000-memory.dmp

Filesize
584KB

Download
memory/2716-0-0x0000000074DBE000-0x0000000074DBF000-memory.dmp

Filesize
4KB

Download
memory/2716-5-0x0000000074DB0000-0x0000000075560000-memory.dmp

Filesize
7.7MB

Download
memory/2716-1-0x0000000000620000-0x00000000006DE000-memory.dmp

Filesize
760KB

Download
memory/2716-7-0x0000000074DBE000-0x0000000074DBF000-memory.dmp

Filesize
4KB

Download
memory/2716-4-0x00000000050D0000-0x00000000050DA000-memory.dmp

Filesize
40KB

Download
memory/2716-9-0x0000000006780000-0x000000000681C000-memory.dmp

Filesize
624KB

Download
memory/2716-10-0x0000000007DB0000-0x0000000007E42000-memory.dmp

Filesize
584KB

Download
memory/2716-11-0x0000000007ED0000-0x0000000007F36000-memory.dmp

Filesize
408KB

Download
memory/2716-12-0x0000000007E60000-0x0000000007E94000-memory.dmp

Filesize
208KB

Download
memory/2716-15-0x0000000074DB0000-0x0000000075560000-memory.dmp

Filesize
7.7MB

Download
memory/4196-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4196-16-0x0000000001370000-0x00000000016BA000-memory.dmp

Filesize
3.3MB

Download