formbook | a67beb83edbf50035fd19811ea92bf5454940f413a16127dbadcebce0a4dbbb8

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
28-12-2024 23:54

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General

Target

41c0064024a8db4d8fb515bb08fbcf94125b77334b829d5796c60a8d34419e6c.exe
Size

289KB
MD5

c6984d665bbfc479337f2947155909fe
SHA1

333cfe3998a2035c524221acfb37aa2594734f18
SHA256

41c0064024a8db4d8fb515bb08fbcf94125b77334b829d5796c60a8d34419e6c
SHA512

0a1d14a6a6ced704a9af9727573a5aa6de377ac539ecc8db33123d7211c95ba7b4f07aa6a12e1572a4f905973d9b4fcfa1e926f9fb473727593a6fa0eef5a574
SSDEEP

6144:lqwJX7MRbrk0eOJia/QfL+xPwYkf2HQ8lQKFCcVx98aCPUjtE:nJXwRP3IaYj+N5kf2HQ8lrH8fUj

Score

10^/10

formbook c248 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

c248

Decoy

cryptocurrencylasvegas.com

bestideas4u.com

throne-room.com

cooldow.com

czysys.com

inspectiqwqep.xyz

99nb39.com

awfullive.site

europeconservative.net

minmiblog.com

www588846.com

wakeel-misr.com

8trtrt4.info

vigourvision.com

kaitransitt.com

mmarco.art

inberber.com

m-bonvoy.com

rychlasrdce.com

engleses.com

Signatures

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

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral2/memory/3020-2-0x00000000001C0000-0x00000000001F0000-memory.dmp	formbook
behavioral2/memory/5016-3-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3020 set thread context of 5016	3020	41c0064024a8db4d8fb515bb08fbcf94125b77334b829d5796c60a8d34419e6c.exe	82

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	41c0064024a8db4d8fb515bb08fbcf94125b77334b829d5796c60a8d34419e6c.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5016	41c0064024a8db4d8fb515bb08fbcf94125b77334b829d5796c60a8d34419e6c.exe
5016	41c0064024a8db4d8fb515bb08fbcf94125b77334b829d5796c60a8d34419e6c.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3020 wrote to memory of 5016	3020	41c0064024a8db4d8fb515bb08fbcf94125b77334b829d5796c60a8d34419e6c.exe	82
PID 3020 wrote to memory of 5016	3020	41c0064024a8db4d8fb515bb08fbcf94125b77334b829d5796c60a8d34419e6c.exe	82
PID 3020 wrote to memory of 5016	3020	41c0064024a8db4d8fb515bb08fbcf94125b77334b829d5796c60a8d34419e6c.exe	82
PID 3020 wrote to memory of 5016	3020	41c0064024a8db4d8fb515bb08fbcf94125b77334b829d5796c60a8d34419e6c.exe	82
PID 3020 wrote to memory of 5016	3020	41c0064024a8db4d8fb515bb08fbcf94125b77334b829d5796c60a8d34419e6c.exe	82
PID 3020 wrote to memory of 5016	3020	41c0064024a8db4d8fb515bb08fbcf94125b77334b829d5796c60a8d34419e6c.exe	82

C:\Users\Admin\AppData\Local\Temp\41c0064024a8db4d8fb515bb08fbcf94125b77334b829d5796c60a8d34419e6c.exe
"C:\Users\Admin\AppData\Local\Temp\41c0064024a8db4d8fb515bb08fbcf94125b77334b829d5796c60a8d34419e6c.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3020
- C:\Users\Admin\AppData\Local\Temp\41c0064024a8db4d8fb515bb08fbcf94125b77334b829d5796c60a8d34419e6c.exe
  "C:\Users\Admin\AppData\Local\Temp\41c0064024a8db4d8fb515bb08fbcf94125b77334b829d5796c60a8d34419e6c.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:5016

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/3020-1-0x00000000007E0000-0x00000000008E0000-memory.dmp

Filesize
1024KB

Download
memory/3020-2-0x00000000001C0000-0x00000000001F0000-memory.dmp

Filesize
192KB

Download
memory/5016-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download