formbook | 7f6e3386bf352d8d9c0ff3868a8a71bf0d15628789956b443e6ba630e4acf5e2

Analysis

max time kernel
148s
max time network
153s
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 03:00

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Invoice -BF.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/1200-7-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1200-10-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1012-18-0x00000000005B0000-0x00000000005DF000-memory.dmp	formbook
behavioral2/memory/1012-20-0x00000000005B0000-0x00000000005DF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 736 set thread context of 1200	736	Invoice -BF.exe	82
PID 1200 set thread context of 3576	1200	svchost.exe	56
PID 1012 set thread context of 3576	1012	msiexec.exe	56

System Location Discovery: System Language Discovery 1 TTPs 3 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	Invoice -BF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msiexec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
1200	svchost.exe
1200	svchost.exe
1200	svchost.exe
1200	svchost.exe
1012	msiexec.exe
1012	msiexec.exe
1012	msiexec.exe
1012	msiexec.exe
1012	msiexec.exe
1012	msiexec.exe
1012	msiexec.exe
1012	msiexec.exe
1012	msiexec.exe
1012	msiexec.exe
1012	msiexec.exe
1012	msiexec.exe
1012	msiexec.exe
1012	msiexec.exe
1012	msiexec.exe
1012	msiexec.exe
1012	msiexec.exe
1012	msiexec.exe
1012	msiexec.exe
1012	msiexec.exe
1012	msiexec.exe
1012	msiexec.exe
1012	msiexec.exe
1012	msiexec.exe
1012	msiexec.exe
1012	msiexec.exe
1012	msiexec.exe
1012	msiexec.exe
1012	msiexec.exe
1012	msiexec.exe
1012	msiexec.exe
1012	msiexec.exe
1012	msiexec.exe
1012	msiexec.exe
1012	msiexec.exe
1012	msiexec.exe
1012	msiexec.exe
1012	msiexec.exe
1012	msiexec.exe
1012	msiexec.exe
1012	msiexec.exe
1012	msiexec.exe
1012	msiexec.exe
1012	msiexec.exe
1012	msiexec.exe
1012	msiexec.exe
1012	msiexec.exe
1012	msiexec.exe
1012	msiexec.exe
1012	msiexec.exe
1012	msiexec.exe
1012	msiexec.exe
1012	msiexec.exe
1012	msiexec.exe
1012	msiexec.exe
1012	msiexec.exe
1012	msiexec.exe
1012	msiexec.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
736	Invoice -BF.exe
1200	svchost.exe
1200	svchost.exe
1200	svchost.exe
1012	msiexec.exe
1012	msiexec.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1200	svchost.exe
Token: SeDebugPrivilege	1012	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
736	Invoice -BF.exe
736	Invoice -BF.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
736	Invoice -BF.exe
736	Invoice -BF.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 736 wrote to memory of 1200	736	Invoice -BF.exe	82
PID 736 wrote to memory of 1200	736	Invoice -BF.exe	82
PID 736 wrote to memory of 1200	736	Invoice -BF.exe	82
PID 736 wrote to memory of 1200	736	Invoice -BF.exe	82
PID 3576 wrote to memory of 1012	3576	Explorer.EXE	83
PID 3576 wrote to memory of 1012	3576	Explorer.EXE	83
PID 3576 wrote to memory of 1012	3576	Explorer.EXE	83
PID 1012 wrote to memory of 532	1012	msiexec.exe	88
PID 1012 wrote to memory of 532	1012	msiexec.exe	88
PID 1012 wrote to memory of 532	1012	msiexec.exe	88

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3576
- C:\Users\Admin\AppData\Local\Temp\Invoice -BF.exe
  "C:\Users\Admin\AppData\Local\Temp\Invoice -BF.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:736
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\Invoice -BF.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1200
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\SysWOW64\msiexec.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:1012
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:532

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

Loading Replay Monitor...

Downloads

memory/736-6-0x0000000001680000-0x0000000001A80000-memory.dmp

Filesize
4.0MB

Download
memory/1012-15-0x0000000000950000-0x0000000000962000-memory.dmp

Filesize
72KB

Download
memory/1012-23-0x0000000002510000-0x00000000025A3000-memory.dmp

Filesize
588KB

Download
memory/1012-20-0x00000000005B0000-0x00000000005DF000-memory.dmp

Filesize
188KB

Download
memory/1012-19-0x0000000002630000-0x000000000297A000-memory.dmp

Filesize
3.3MB

Download
memory/1012-18-0x00000000005B0000-0x00000000005DF000-memory.dmp

Filesize
188KB

Download
memory/1012-13-0x0000000000950000-0x0000000000962000-memory.dmp

Filesize
72KB

Download
memory/1012-17-0x0000000000950000-0x0000000000962000-memory.dmp

Filesize
72KB

Download
memory/1200-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1200-11-0x0000000001990000-0x00000000019A4000-memory.dmp

Filesize
80KB

Download
memory/1200-8-0x0000000001C00000-0x0000000001F4A000-memory.dmp

Filesize
3.3MB

Download
memory/1200-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3576-12-0x0000000007470000-0x0000000007546000-memory.dmp

Filesize
856KB

Download
memory/3576-21-0x0000000007470000-0x0000000007546000-memory.dmp

Filesize
856KB

Download
memory/3576-26-0x00000000089D0000-0x0000000008ACD000-memory.dmp

Filesize
1012KB

Download
memory/3576-27-0x00000000089D0000-0x0000000008ACD000-memory.dmp

Filesize
1012KB

Download
memory/3576-29-0x00000000089D0000-0x0000000008ACD000-memory.dmp

Filesize
1012KB

Download