formbook | 670cc1bb467dd19d3b038dd5338ce5fc7b315f755c7308ecbc14ca24867ab300

Analysis

max time kernel
145s
max time network
144s
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 18:25

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

JaffaCakes118_670cc1bb467dd19d3b038dd5338ce5fc7b315f755c7308ecbc14ca24867ab300.ps1
Size

1.5MB
MD5

7ee4c4cd163e4910cb1e5887c4c0547f
SHA1

6d63f1359fa12285fa0f5c22a0e6746548917688
SHA256

670cc1bb467dd19d3b038dd5338ce5fc7b315f755c7308ecbc14ca24867ab300
SHA512

61c7e86f9445fca7d8361f9ac7a39d45c40af528deaefde3a2ddc7b10b7361303f9db2cfd12af5faaf26bd05234b22adb4df3123c333694d9847b8bc8ce872c9
SSDEEP

12288:EFwbjfLo4CXHtMqQceGgZnqG7Que3y8utCfGclAXIc3BEHDEOh4XQ6i1Z2PNe3ES:ulskKetTn

Score

10^/10

formbook u3s4 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

u3s4

Decoy

treducation.net

picashowapk.com

puzzletourny.club

alleenas.com

xgyvsf.icu

valencia-noticias.com

xooxd.pet

kikimodel.com

familyfx.win

halosg.com

ishrcb.com

867537.icu

aadibhatt.net

purebloodbanks.com

zhongwentao.top

slot777dunia.com

lesbonbonsdemamiejeanne.com

prune.digital

zsyqfk.com

yamamichi-satoshi.com

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/2088-16-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2088-23-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2648-33-0x0000000000450000-0x000000000047F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1468 set thread context of 2088	1468	powershell.exe	83
PID 2088 set thread context of 3456	2088	Calc.exe	56
PID 2648 set thread context of 3456	2648	wlanext.exe	56

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
1468	powershell.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	wlanext.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1468	powershell.exe
1468	powershell.exe
1468	powershell.exe
1468	powershell.exe
2088	Calc.exe
2088	Calc.exe
2088	Calc.exe
2088	Calc.exe
2648	wlanext.exe
2648	wlanext.exe
2648	wlanext.exe
2648	wlanext.exe
2648	wlanext.exe
2648	wlanext.exe
2648	wlanext.exe
2648	wlanext.exe
2648	wlanext.exe
2648	wlanext.exe
2648	wlanext.exe
2648	wlanext.exe
2648	wlanext.exe
2648	wlanext.exe
2648	wlanext.exe
2648	wlanext.exe
2648	wlanext.exe
2648	wlanext.exe
2648	wlanext.exe
2648	wlanext.exe
2648	wlanext.exe
2648	wlanext.exe
2648	wlanext.exe
2648	wlanext.exe
2648	wlanext.exe
2648	wlanext.exe
2648	wlanext.exe
2648	wlanext.exe
2648	wlanext.exe
2648	wlanext.exe
2648	wlanext.exe
2648	wlanext.exe
2648	wlanext.exe
2648	wlanext.exe
2648	wlanext.exe
2648	wlanext.exe
2648	wlanext.exe
2648	wlanext.exe
2648	wlanext.exe
2648	wlanext.exe
2648	wlanext.exe
2648	wlanext.exe
2648	wlanext.exe
2648	wlanext.exe
2648	wlanext.exe
2648	wlanext.exe
2648	wlanext.exe
2648	wlanext.exe
2648	wlanext.exe
2648	wlanext.exe
2648	wlanext.exe
2648	wlanext.exe
2648	wlanext.exe
2648	wlanext.exe
2648	wlanext.exe
2648	wlanext.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2088	Calc.exe
2088	Calc.exe
2088	Calc.exe
2648	wlanext.exe
2648	wlanext.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	1468	powershell.exe
Token: SeDebugPrivilege	2088	Calc.exe
Token: SeShutdownPrivilege	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE
Token: SeShutdownPrivilege	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE
Token: SeDebugPrivilege	2648	wlanext.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1468 wrote to memory of 2088	1468	powershell.exe	83
PID 1468 wrote to memory of 2088	1468	powershell.exe	83
PID 1468 wrote to memory of 2088	1468	powershell.exe	83
PID 1468 wrote to memory of 2088	1468	powershell.exe	83
PID 1468 wrote to memory of 2088	1468	powershell.exe	83
PID 1468 wrote to memory of 2088	1468	powershell.exe	83
PID 3456 wrote to memory of 2648	3456	Explorer.EXE	84
PID 3456 wrote to memory of 2648	3456	Explorer.EXE	84
PID 3456 wrote to memory of 2648	3456	Explorer.EXE	84
PID 2648 wrote to memory of 4264	2648	wlanext.exe	87
PID 2648 wrote to memory of 4264	2648	wlanext.exe	87
PID 2648 wrote to memory of 4264	2648	wlanext.exe	87

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3456
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_670cc1bb467dd19d3b038dd5338ce5fc7b315f755c7308ecbc14ca24867ab300.ps1
  2⤵
  - Suspicious use of SetThreadContext
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1468
- - C:\WINDOWS\syswow64\Calc.exe
    "{Path}"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2088
- C:\Windows\SysWOW64\wlanext.exe
  "C:\Windows\SysWOW64\wlanext.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2648
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\WINDOWS\syswow64\Calc.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4264

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ok3ciuri.phr.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1468-27-0x00007FFA2F170000-0x00007FFA2FC31000-memory.dmp

Filesize
10.8MB

Download
memory/1468-13-0x000002236F3E0000-0x000002236F444000-memory.dmp

Filesize
400KB

Download
memory/1468-28-0x00007FFA2F170000-0x00007FFA2FC31000-memory.dmp

Filesize
10.8MB

Download
memory/1468-12-0x00007FFA2F170000-0x00007FFA2FC31000-memory.dmp

Filesize
10.8MB

Download
memory/1468-25-0x00007FFA2F170000-0x00007FFA2FC31000-memory.dmp

Filesize
10.8MB

Download
memory/1468-14-0x00007FFA2F170000-0x00007FFA2FC31000-memory.dmp

Filesize
10.8MB

Download
memory/1468-15-0x00007FFA2F170000-0x00007FFA2FC31000-memory.dmp

Filesize
10.8MB

Download
memory/1468-6-0x000002236E7B0000-0x000002236E7D2000-memory.dmp

Filesize
136KB

Download
memory/1468-19-0x00007FFA2F170000-0x00007FFA2FC31000-memory.dmp

Filesize
10.8MB

Download
memory/1468-29-0x00007FFA3BCB3000-0x00007FFA3BCB4000-memory.dmp

Filesize
4KB

Download
memory/1468-22-0x00007FFA2F173000-0x00007FFA2F175000-memory.dmp

Filesize
8KB

Download
memory/1468-0-0x00007FFA2F173000-0x00007FFA2F175000-memory.dmp

Filesize
8KB

Download
memory/1468-11-0x00007FFA2F170000-0x00007FFA2FC31000-memory.dmp

Filesize
10.8MB

Download
memory/2088-24-0x0000000000BB0000-0x0000000000BC4000-memory.dmp

Filesize
80KB

Download
memory/2088-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2088-20-0x0000000000EA0000-0x00000000011EA000-memory.dmp

Filesize
3.3MB

Download
memory/2088-23-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2648-30-0x0000000000520000-0x0000000000537000-memory.dmp

Filesize
92KB

Download
memory/2648-32-0x0000000000520000-0x0000000000537000-memory.dmp

Filesize
92KB

Download
memory/2648-33-0x0000000000450000-0x000000000047F000-memory.dmp

Filesize
188KB

Download
memory/3456-26-0x00000000082B0000-0x0000000008389000-memory.dmp

Filesize
868KB

Download
memory/3456-34-0x00000000082B0000-0x0000000008389000-memory.dmp

Filesize
868KB

Download
memory/3456-37-0x0000000008880000-0x0000000008940000-memory.dmp

Filesize
768KB

Download
memory/3456-39-0x0000000008880000-0x0000000008940000-memory.dmp

Filesize
768KB

Download
memory/3456-40-0x0000000008880000-0x0000000008940000-memory.dmp

Filesize
768KB

Download