formbook | 73181fde5ff61e6823ee4d189cf4a86f2426ad96cfbf774f819cdb0c27ef5859

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-12-2024 01:13

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General

Target

681fe3b085850ef4d08c34692526d77bbe97a0363ed900e397f008a7274fa3c5.exe
Size

1.0MB
MD5

2e968b52eeb924243e635aa8839e0ec4
SHA1

e6c64ea9a9d353881349fdc357d26a93370dab52
SHA256

681fe3b085850ef4d08c34692526d77bbe97a0363ed900e397f008a7274fa3c5
SHA512

7d61d90e37481730a2666d6f54eb97371ff27d87bb6294b193837cab11e88ffbda174cae75d3401a4798627bec18fe7662596630e63e496eb7ef8b49b0ba36f8
SSDEEP

24576:ERcGuyEEeKrvDB+/ExV9ogVayp1q2d3WP8e:Fgow91u2W0

Score

10^/10

formbook bn89 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

bn89

Decoy

mynorthernfcu.com

leafolux.com

joycasino-official-game2.win

shopfourfourteen.com

gzjyby.com

rapidwastedisposal.com

homme-alpha.com

essentialpowerwithin.com

emeralddrumcompany.com

dyspay.com

makedollarsonline.info

fredautosport.net

amzrelay.com

qtqqwdnbu.icu

lookingupproperties.com

twojemiasto.info

zrlin.online

mykabirmusic.com

mukulikamakeupartistry.com

mouridi.com

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/1880-13-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 688 set thread context of 1880	688	681fe3b085850ef4d08c34692526d77bbe97a0363ed900e397f008a7274fa3c5.exe	91

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	681fe3b085850ef4d08c34692526d77bbe97a0363ed900e397f008a7274fa3c5.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1880	681fe3b085850ef4d08c34692526d77bbe97a0363ed900e397f008a7274fa3c5.exe
1880	681fe3b085850ef4d08c34692526d77bbe97a0363ed900e397f008a7274fa3c5.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 688 wrote to memory of 1880	688	681fe3b085850ef4d08c34692526d77bbe97a0363ed900e397f008a7274fa3c5.exe	91
PID 688 wrote to memory of 1880	688	681fe3b085850ef4d08c34692526d77bbe97a0363ed900e397f008a7274fa3c5.exe	91
PID 688 wrote to memory of 1880	688	681fe3b085850ef4d08c34692526d77bbe97a0363ed900e397f008a7274fa3c5.exe	91
PID 688 wrote to memory of 1880	688	681fe3b085850ef4d08c34692526d77bbe97a0363ed900e397f008a7274fa3c5.exe	91
PID 688 wrote to memory of 1880	688	681fe3b085850ef4d08c34692526d77bbe97a0363ed900e397f008a7274fa3c5.exe	91
PID 688 wrote to memory of 1880	688	681fe3b085850ef4d08c34692526d77bbe97a0363ed900e397f008a7274fa3c5.exe	91

C:\Users\Admin\AppData\Local\Temp\681fe3b085850ef4d08c34692526d77bbe97a0363ed900e397f008a7274fa3c5.exe
"C:\Users\Admin\AppData\Local\Temp\681fe3b085850ef4d08c34692526d77bbe97a0363ed900e397f008a7274fa3c5.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:688
- C:\Users\Admin\AppData\Local\Temp\681fe3b085850ef4d08c34692526d77bbe97a0363ed900e397f008a7274fa3c5.exe
  "C:\Users\Admin\AppData\Local\Temp\681fe3b085850ef4d08c34692526d77bbe97a0363ed900e397f008a7274fa3c5.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1880

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/688-8-0x00000000071C0000-0x00000000071E2000-memory.dmp

Filesize
136KB

Download
memory/688-6-0x0000000005D50000-0x0000000005DA6000-memory.dmp

Filesize
344KB

Download
memory/688-2-0x0000000005A20000-0x0000000005ABC000-memory.dmp

Filesize
624KB

Download
memory/688-3-0x0000000006070000-0x0000000006614000-memory.dmp

Filesize
5.6MB

Download
memory/688-0-0x000000007514E000-0x000000007514F000-memory.dmp

Filesize
4KB

Download
memory/688-5-0x0000000005B00000-0x0000000005B0A000-memory.dmp

Filesize
40KB

Download
memory/688-1-0x0000000000F70000-0x000000000107E000-memory.dmp

Filesize
1.1MB

Download
memory/688-7-0x0000000075140000-0x00000000758F0000-memory.dmp

Filesize
7.7MB

Download
memory/688-4-0x0000000005B60000-0x0000000005BF2000-memory.dmp

Filesize
584KB

Download
memory/688-9-0x000000007514E000-0x000000007514F000-memory.dmp

Filesize
4KB

Download
memory/688-10-0x0000000075140000-0x00000000758F0000-memory.dmp

Filesize
7.7MB

Download
memory/688-11-0x00000000077F0000-0x000000000789E000-memory.dmp

Filesize
696KB

Download
memory/688-12-0x00000000078D0000-0x0000000007936000-memory.dmp

Filesize
408KB

Download
memory/688-15-0x0000000075140000-0x00000000758F0000-memory.dmp

Filesize
7.7MB

Download
memory/1880-13-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1880-16-0x00000000010D0000-0x000000000141A000-memory.dmp

Filesize
3.3MB

Download