formbook | dcb417103bd0f315ba7cd30f1eadfca56a56122caec7ce4afe96b410931f43e6

Analysis

max time kernel
144s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21-08-2024 11:18

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General

Target

dcb417103bd0f315ba7cd30f1eadfca56a56122caec7ce4afe96b410931f43e6.exe
Size

689KB
MD5

b859314e59c8cf61c084f9dd2e3843e4
SHA1

19b5d5ca3c4bb0311060e4c76e592a446231dfa8
SHA256

dcb417103bd0f315ba7cd30f1eadfca56a56122caec7ce4afe96b410931f43e6
SHA512

15be6f2205f7af7858248de1f1acb281525c6968c03fb29993d4a47ff7e4c9e401f638facd7a0491b7edb94f19b49cc6c435a63ee10c237dae792273b2631c28
SSDEEP

12288:a+foqgNuJaKjoGdnMbxbxHe9DzyxR9Ro/L3WLYEKF+pLuwhq8Ipuu:qQMGcbI9DzmRkDW8fMq8I

Score

10^/10

formbook d16h discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

d16h

Decoy

iki-graphy.online

l8z8c.vip

1709.asia

inematography-course-72246.bond

pis3noe2e.sbs

wernv.xyz

ovepepe.xyz

ama-online.world

ookmouse.fun

harkclothingdesigns.xyz

bbvvjuiqew.bond

sed-cars-93620.bond

esgateeganhe.shop

cekmeledak.info

ebulahorizon.buzz

peakers-92991.bond

essislotgoal16.top

hafi.biz

ichunyang.club

lrica.net

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/3392-13-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2148 set thread context of 3392	2148	dcb417103bd0f315ba7cd30f1eadfca56a56122caec7ce4afe96b410931f43e6.exe	103

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	dcb417103bd0f315ba7cd30f1eadfca56a56122caec7ce4afe96b410931f43e6.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
3392	dcb417103bd0f315ba7cd30f1eadfca56a56122caec7ce4afe96b410931f43e6.exe
3392	dcb417103bd0f315ba7cd30f1eadfca56a56122caec7ce4afe96b410931f43e6.exe
3392	dcb417103bd0f315ba7cd30f1eadfca56a56122caec7ce4afe96b410931f43e6.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2148 wrote to memory of 3392	2148	dcb417103bd0f315ba7cd30f1eadfca56a56122caec7ce4afe96b410931f43e6.exe	103
PID 2148 wrote to memory of 3392	2148	dcb417103bd0f315ba7cd30f1eadfca56a56122caec7ce4afe96b410931f43e6.exe	103
PID 2148 wrote to memory of 3392	2148	dcb417103bd0f315ba7cd30f1eadfca56a56122caec7ce4afe96b410931f43e6.exe	103
PID 2148 wrote to memory of 3392	2148	dcb417103bd0f315ba7cd30f1eadfca56a56122caec7ce4afe96b410931f43e6.exe	103
PID 2148 wrote to memory of 3392	2148	dcb417103bd0f315ba7cd30f1eadfca56a56122caec7ce4afe96b410931f43e6.exe	103
PID 2148 wrote to memory of 3392	2148	dcb417103bd0f315ba7cd30f1eadfca56a56122caec7ce4afe96b410931f43e6.exe	103

C:\Users\Admin\AppData\Local\Temp\dcb417103bd0f315ba7cd30f1eadfca56a56122caec7ce4afe96b410931f43e6.exe
"C:\Users\Admin\AppData\Local\Temp\dcb417103bd0f315ba7cd30f1eadfca56a56122caec7ce4afe96b410931f43e6.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2148
- C:\Users\Admin\AppData\Local\Temp\dcb417103bd0f315ba7cd30f1eadfca56a56122caec7ce4afe96b410931f43e6.exe
  "C:\Users\Admin\AppData\Local\Temp\dcb417103bd0f315ba7cd30f1eadfca56a56122caec7ce4afe96b410931f43e6.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3392

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=4404,i,1330210614411927383,9239043499051775691,262144 --variations-seed-version --mojo-platform-channel-handle=1320 /prefetch:8
1⤵
PID:2292

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/2148-8-0x0000000005260000-0x0000000005272000-memory.dmp

Filesize
72KB

Download
memory/2148-6-0x00000000051A0000-0x000000000523C000-memory.dmp

Filesize
624KB

Download
memory/2148-2-0x00000000052C0000-0x0000000005864000-memory.dmp

Filesize
5.6MB

Download
memory/2148-3-0x0000000004C20000-0x0000000004CB2000-memory.dmp

Filesize
584KB

Download
memory/2148-0-0x0000000074BFE000-0x0000000074BFF000-memory.dmp

Filesize
4KB

Download
memory/2148-5-0x0000000004D50000-0x0000000004D5A000-memory.dmp

Filesize
40KB

Download
memory/2148-1-0x0000000000170000-0x0000000000222000-memory.dmp

Filesize
712KB

Download
memory/2148-7-0x0000000006750000-0x00000000067E0000-memory.dmp

Filesize
576KB

Download
memory/2148-4-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/2148-9-0x0000000074BFE000-0x0000000074BFF000-memory.dmp

Filesize
4KB

Download
memory/2148-10-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/2148-11-0x0000000005270000-0x0000000005280000-memory.dmp

Filesize
64KB

Download
memory/2148-12-0x0000000006420000-0x0000000006496000-memory.dmp

Filesize
472KB

Download
memory/2148-15-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/3392-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3392-16-0x0000000001950000-0x0000000001C9A000-memory.dmp

Filesize
3.3MB

Download