formbook | d2c3ec17a82adc64cbf865b806ea8df48efcee31a55e5ee6e61de3dccbbcf6bf

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
28-11-2024 21:38

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General

Target

d2c3ec17a82adc64cbf865b806ea8df48efcee31a55e5ee6e61de3dccbbcf6bf.exe
Size

1.1MB
MD5

a574d8e90f0174f5fe30edb676b9f106
SHA1

e5a008bf01cf36c343fc9d90fc8d728524e33fe5
SHA256

d2c3ec17a82adc64cbf865b806ea8df48efcee31a55e5ee6e61de3dccbbcf6bf
SHA512

04653911205ec9f3c093ac6640cfcd42ef9cd45924c6536d7bf721db672d4459a24c79bfb9771165d2a80cbcf613ca3fd7e481360a0c3498d8c2b33b711ce532
SSDEEP

24576:0tb20pkaCqT5TBWgNQ7ap4hb3i8jR16n6A:dVg5tQ7apijs5

Score

10^/10

formbook cl21 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

cl21

Decoy

0001.shop

earch-parttimejobs.today

are888.top

akanhaunthipped.shop

othing-heyu.xyz

cadvirsor.net

nclanalae.shop

lectric-cars-mexico.today

oxj-question.xyz

ersonalloanoffers.today

ersonalloans-fo54-fo37.click

verybody-ewfx.xyz

ercuremontauban.media

azilimdunyam.net

airs-clinicato.today

wiftsscend.click

ertainly-jbws.xyz

8xeng.app

damekadmitageable.cfd

ollapsedec.shop

Signatures

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

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral2/memory/1636-7-0x0000000000500000-0x000000000052F000-memory.dmp	formbook
behavioral2/memory/1636-11-0x0000000000500000-0x000000000052F000-memory.dmp	formbook
behavioral2/memory/1636-15-0x0000000000500000-0x000000000052F000-memory.dmp	formbook
behavioral2/memory/1600-23-0x0000000000E20000-0x0000000000E4F000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 3780 set thread context of 1636	3780	d2c3ec17a82adc64cbf865b806ea8df48efcee31a55e5ee6e61de3dccbbcf6bf.exe	83
PID 1636 set thread context of 3568	1636	svchost.exe	56
PID 1636 set thread context of 3568	1636	svchost.exe	56
PID 1600 set thread context of 3568	1600	svchost.exe	56

System Location Discovery: System Language Discovery 1 TTPs 4 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	d2c3ec17a82adc64cbf865b806ea8df48efcee31a55e5ee6e61de3dccbbcf6bf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
1636	svchost.exe
1636	svchost.exe
1636	svchost.exe
1636	svchost.exe
1636	svchost.exe
1636	svchost.exe
1600	svchost.exe
1600	svchost.exe
1600	svchost.exe
1600	svchost.exe
1600	svchost.exe
1600	svchost.exe
1600	svchost.exe
1600	svchost.exe
1600	svchost.exe
1600	svchost.exe
1600	svchost.exe
1600	svchost.exe
1600	svchost.exe
1600	svchost.exe
1600	svchost.exe
1600	svchost.exe
1600	svchost.exe
1600	svchost.exe
1600	svchost.exe
1600	svchost.exe
1600	svchost.exe
1600	svchost.exe
1600	svchost.exe
1600	svchost.exe
1600	svchost.exe
1600	svchost.exe
1600	svchost.exe
1600	svchost.exe
1600	svchost.exe
1600	svchost.exe
1600	svchost.exe
1600	svchost.exe
1600	svchost.exe
1600	svchost.exe
1600	svchost.exe
1600	svchost.exe
1600	svchost.exe
1600	svchost.exe
1600	svchost.exe
1600	svchost.exe
1600	svchost.exe
1600	svchost.exe
1600	svchost.exe
1600	svchost.exe
1600	svchost.exe
1600	svchost.exe
1600	svchost.exe
1600	svchost.exe
1600	svchost.exe
1600	svchost.exe
1600	svchost.exe
1600	svchost.exe
1600	svchost.exe
1600	svchost.exe

Suspicious behavior: MapViewOfSection 8 IoCs

pid	Process
3780	d2c3ec17a82adc64cbf865b806ea8df48efcee31a55e5ee6e61de3dccbbcf6bf.exe
3780	d2c3ec17a82adc64cbf865b806ea8df48efcee31a55e5ee6e61de3dccbbcf6bf.exe
1636	svchost.exe
1636	svchost.exe
1636	svchost.exe
1636	svchost.exe
1600	svchost.exe
1600	svchost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1636	svchost.exe
Token: SeDebugPrivilege	1600	svchost.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3780	d2c3ec17a82adc64cbf865b806ea8df48efcee31a55e5ee6e61de3dccbbcf6bf.exe
3780	d2c3ec17a82adc64cbf865b806ea8df48efcee31a55e5ee6e61de3dccbbcf6bf.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
3780	d2c3ec17a82adc64cbf865b806ea8df48efcee31a55e5ee6e61de3dccbbcf6bf.exe
3780	d2c3ec17a82adc64cbf865b806ea8df48efcee31a55e5ee6e61de3dccbbcf6bf.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3780 wrote to memory of 1636	3780	d2c3ec17a82adc64cbf865b806ea8df48efcee31a55e5ee6e61de3dccbbcf6bf.exe	83
PID 3780 wrote to memory of 1636	3780	d2c3ec17a82adc64cbf865b806ea8df48efcee31a55e5ee6e61de3dccbbcf6bf.exe	83
PID 3780 wrote to memory of 1636	3780	d2c3ec17a82adc64cbf865b806ea8df48efcee31a55e5ee6e61de3dccbbcf6bf.exe	83
PID 3780 wrote to memory of 1636	3780	d2c3ec17a82adc64cbf865b806ea8df48efcee31a55e5ee6e61de3dccbbcf6bf.exe	83
PID 1636 wrote to memory of 1600	1636	svchost.exe	96
PID 1636 wrote to memory of 1600	1636	svchost.exe	96
PID 1636 wrote to memory of 1600	1636	svchost.exe	96
PID 1600 wrote to memory of 3192	1600	svchost.exe	97
PID 1600 wrote to memory of 3192	1600	svchost.exe	97
PID 1600 wrote to memory of 3192	1600	svchost.exe	97

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3568
- C:\Users\Admin\AppData\Local\Temp\d2c3ec17a82adc64cbf865b806ea8df48efcee31a55e5ee6e61de3dccbbcf6bf.exe
  "C:\Users\Admin\AppData\Local\Temp\d2c3ec17a82adc64cbf865b806ea8df48efcee31a55e5ee6e61de3dccbbcf6bf.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:3780
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\d2c3ec17a82adc64cbf865b806ea8df48efcee31a55e5ee6e61de3dccbbcf6bf.exe"
    3⤵
    - 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:1636
  - - C:\Windows\SysWOW64\svchost.exe
      "C:\Windows\SysWOW64\svchost.exe"
      4⤵
      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:1600
    - - C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Windows\SysWOW64\svchost.exe"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:3192

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/1600-21-0x0000000000FD0000-0x0000000000FDE000-memory.dmp

Filesize
56KB

Download
memory/1600-23-0x0000000000E20000-0x0000000000E4F000-memory.dmp

Filesize
188KB

Download
memory/1600-19-0x0000000000FD0000-0x0000000000FDE000-memory.dmp

Filesize
56KB

Download
memory/1636-15-0x0000000000500000-0x000000000052F000-memory.dmp

Filesize
188KB

Download
memory/1636-12-0x0000000000F40000-0x0000000000F54000-memory.dmp

Filesize
80KB

Download
memory/1636-7-0x0000000000500000-0x000000000052F000-memory.dmp

Filesize
188KB

Download
memory/1636-10-0x0000000000FE0000-0x000000000132A000-memory.dmp

Filesize
3.3MB

Download
memory/1636-16-0x0000000000FB0000-0x0000000000FC4000-memory.dmp

Filesize
80KB

Download
memory/1636-11-0x0000000000500000-0x000000000052F000-memory.dmp

Filesize
188KB

Download
memory/3568-18-0x0000000002D30000-0x0000000002E17000-memory.dmp

Filesize
924KB

Download
memory/3568-17-0x00000000075F0000-0x00000000076A9000-memory.dmp

Filesize
740KB

Download
memory/3568-22-0x00000000075F0000-0x00000000076A9000-memory.dmp

Filesize
740KB

Download
memory/3568-13-0x0000000002D30000-0x0000000002E17000-memory.dmp

Filesize
924KB

Download
memory/3568-26-0x0000000008480000-0x00000000085AB000-memory.dmp

Filesize
1.2MB

Download
memory/3568-27-0x0000000008480000-0x00000000085AB000-memory.dmp

Filesize
1.2MB

Download
memory/3568-29-0x0000000008480000-0x00000000085AB000-memory.dmp

Filesize
1.2MB

Download
memory/3780-6-0x0000000000C00000-0x0000000001000000-memory.dmp

Filesize
4.0MB

Download