formbook | d2b2b2ae2cf256bec969052f108726d12ce6f84a2ca91f4baf4683a5bb331c86

Analysis

max time kernel
131s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05-09-2024 01:49

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General

Target

d2b2b2ae2cf256bec969052f108726d12ce6f84a2ca91f4baf4683a5bb331c86.exe
Size

622KB
MD5

23b359fd43f7e0a663007671601efa72
SHA1

7e848ca75edc87be39185399fc6888cacbb94fc4
SHA256

d2b2b2ae2cf256bec969052f108726d12ce6f84a2ca91f4baf4683a5bb331c86
SHA512

51bfd603ad20235cd9faad812915f028d21c164a64d7e535b4663ea2eb52324350585ce52604387bc489590128621d918464ca28c203b9aae89f764bc70d7820
SSDEEP

12288:NiuaKWgPg9M4AzmHJoQNo9hP+RRsf9uL1tEEE8TRAmxH:0ngo9M4AqA9h2RRQ23PnTRAm

Score

10^/10

formbook v15n discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

v15n

Decoy

dyahwoahjuk.store

toysstorm.com

y7rak9.com

2222233p6.shop

betbox2341.com

visualvarta.com

nijssenadventures.com

main-12.site

leng4d.net

kurainu.xyz

hatesa.xyz

culturamosaica.com

supermallify.store

gigboard.app

rxforgive.com

ameliestones.com

kapalwin.live

tier.credit

sobol-ksa.com

faredeal.online

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
behavioral2/memory/3164-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 224 set thread context of 3164	224	d2b2b2ae2cf256bec969052f108726d12ce6f84a2ca91f4baf4683a5bb331c86.exe	102

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	d2b2b2ae2cf256bec969052f108726d12ce6f84a2ca91f4baf4683a5bb331c86.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
3164	d2b2b2ae2cf256bec969052f108726d12ce6f84a2ca91f4baf4683a5bb331c86.exe
3164	d2b2b2ae2cf256bec969052f108726d12ce6f84a2ca91f4baf4683a5bb331c86.exe
3164	d2b2b2ae2cf256bec969052f108726d12ce6f84a2ca91f4baf4683a5bb331c86.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 224 wrote to memory of 3164	224	d2b2b2ae2cf256bec969052f108726d12ce6f84a2ca91f4baf4683a5bb331c86.exe	102
PID 224 wrote to memory of 3164	224	d2b2b2ae2cf256bec969052f108726d12ce6f84a2ca91f4baf4683a5bb331c86.exe	102
PID 224 wrote to memory of 3164	224	d2b2b2ae2cf256bec969052f108726d12ce6f84a2ca91f4baf4683a5bb331c86.exe	102
PID 224 wrote to memory of 3164	224	d2b2b2ae2cf256bec969052f108726d12ce6f84a2ca91f4baf4683a5bb331c86.exe	102
PID 224 wrote to memory of 3164	224	d2b2b2ae2cf256bec969052f108726d12ce6f84a2ca91f4baf4683a5bb331c86.exe	102
PID 224 wrote to memory of 3164	224	d2b2b2ae2cf256bec969052f108726d12ce6f84a2ca91f4baf4683a5bb331c86.exe	102

C:\Users\Admin\AppData\Local\Temp\d2b2b2ae2cf256bec969052f108726d12ce6f84a2ca91f4baf4683a5bb331c86.exe
"C:\Users\Admin\AppData\Local\Temp\d2b2b2ae2cf256bec969052f108726d12ce6f84a2ca91f4baf4683a5bb331c86.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:224
- C:\Users\Admin\AppData\Local\Temp\d2b2b2ae2cf256bec969052f108726d12ce6f84a2ca91f4baf4683a5bb331c86.exe
  "C:\Users\Admin\AppData\Local\Temp\d2b2b2ae2cf256bec969052f108726d12ce6f84a2ca91f4baf4683a5bb331c86.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3164

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4356,i,7447299413640964517,4240724842020506306,262144 --variations-seed-version --mojo-platform-channel-handle=4396 /prefetch:8
1⤵
PID:4880

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/224-6-0x0000000005700000-0x000000000571A000-memory.dmp

Filesize
104KB

Download
memory/224-8-0x0000000075170000-0x0000000075920000-memory.dmp

Filesize
7.7MB

Download
memory/224-2-0x0000000005A70000-0x0000000006014000-memory.dmp

Filesize
5.6MB

Download
memory/224-3-0x00000000054C0000-0x0000000005552000-memory.dmp

Filesize
584KB

Download
memory/224-4-0x0000000075170000-0x0000000075920000-memory.dmp

Filesize
7.7MB

Download
memory/224-5-0x0000000005490000-0x000000000549A000-memory.dmp

Filesize
40KB

Download
memory/224-1-0x0000000000A00000-0x0000000000AA2000-memory.dmp

Filesize
648KB

Download
memory/224-7-0x000000007517E000-0x000000007517F000-memory.dmp

Filesize
4KB

Download
memory/224-0-0x000000007517E000-0x000000007517F000-memory.dmp

Filesize
4KB

Download
memory/224-9-0x00000000056E0000-0x00000000056EE000-memory.dmp

Filesize
56KB

Download
memory/224-10-0x0000000005800000-0x0000000005876000-memory.dmp

Filesize
472KB

Download
memory/224-11-0x0000000008640000-0x00000000086DC000-memory.dmp

Filesize
624KB

Download
memory/224-14-0x0000000075170000-0x0000000075920000-memory.dmp

Filesize
7.7MB

Download
memory/3164-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3164-15-0x0000000000F90000-0x00000000012DA000-memory.dmp

Filesize
3.3MB

Download