formbook | 81c2c232727f026964d15be5913f2c59921d6fd74f236c1b4f156bd1db84a7cd

Analysis

max time kernel
149s
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
09-11-2024 11:37

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024 RFQ.exe
Size

1.1MB
MD5

07c144d5f9c5a69037c579899fd39e18
SHA1

7af0bdd8a309b7e2c6a78cca7c44ebd6435e427b
SHA256

81c2c232727f026964d15be5913f2c59921d6fd74f236c1b4f156bd1db84a7cd
SHA512

690a97afb907a1ebbf3da293379d3122bf44fbec5cbb28d3b1b3a7bd49e5be023f2ebb8a791c5aaaf8685746d776c1b3382322496e40b4a7888d1fd562e89dda
SSDEEP

24576:uRmJkcoQricOIQxiZY1iaCJzR2shY7LTNouXqGu:7JZoQrbTFZY1iaCpIUY7LGSC

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

Processes:

resource	yara_rule
behavioral2/memory/2008-3-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2008-6-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2008-10-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4800-16-0x0000000000B60000-0x0000000000B8F000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

Processes:

2024 RFQ.exesvchost.exewscript.exe

description	pid	Process	procid_target
PID 4552 set thread context of 2008	4552	2024 RFQ.exe	86
PID 2008 set thread context of 3528	2008	svchost.exe	56
PID 2008 set thread context of 3528	2008	svchost.exe	56
PID 4800 set thread context of 3528	4800	wscript.exe	56

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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

Processes:

2024 RFQ.exewscript.execmd.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024 RFQ.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wscript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 1 IoCs

Processes:

Explorer.EXE

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 62 IoCs

Processes:

svchost.exewscript.exe

pid	Process
2008	svchost.exe
2008	svchost.exe
2008	svchost.exe
2008	svchost.exe
2008	svchost.exe
2008	svchost.exe
4800	wscript.exe
4800	wscript.exe
4800	wscript.exe
4800	wscript.exe
4800	wscript.exe
4800	wscript.exe
4800	wscript.exe
4800	wscript.exe
4800	wscript.exe
4800	wscript.exe
4800	wscript.exe
4800	wscript.exe
4800	wscript.exe
4800	wscript.exe
4800	wscript.exe
4800	wscript.exe
4800	wscript.exe
4800	wscript.exe
4800	wscript.exe
4800	wscript.exe
4800	wscript.exe
4800	wscript.exe
4800	wscript.exe
4800	wscript.exe
4800	wscript.exe
4800	wscript.exe
4800	wscript.exe
4800	wscript.exe
4800	wscript.exe
4800	wscript.exe
4800	wscript.exe
4800	wscript.exe
4800	wscript.exe
4800	wscript.exe
4800	wscript.exe
4800	wscript.exe
4800	wscript.exe
4800	wscript.exe
4800	wscript.exe
4800	wscript.exe
4800	wscript.exe
4800	wscript.exe
4800	wscript.exe
4800	wscript.exe
4800	wscript.exe
4800	wscript.exe
4800	wscript.exe
4800	wscript.exe
4800	wscript.exe
4800	wscript.exe
4800	wscript.exe
4800	wscript.exe
4800	wscript.exe
4800	wscript.exe
4800	wscript.exe
4800	wscript.exe

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

2024 RFQ.exesvchost.exewscript.exe

pid	Process
4552	2024 RFQ.exe
2008	svchost.exe
2008	svchost.exe
2008	svchost.exe
2008	svchost.exe
4800	wscript.exe
4800	wscript.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

svchost.exeExplorer.EXEwscript.exe

description	pid	Process
Token: SeDebugPrivilege	2008	svchost.exe
Token: SeShutdownPrivilege	3528	Explorer.EXE
Token: SeCreatePagefilePrivilege	3528	Explorer.EXE
Token: SeShutdownPrivilege	3528	Explorer.EXE
Token: SeCreatePagefilePrivilege	3528	Explorer.EXE
Token: SeDebugPrivilege	4800	wscript.exe

Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

2024 RFQ.exeExplorer.EXE

pid	Process
4552	2024 RFQ.exe
4552	2024 RFQ.exe
3528	Explorer.EXE
3528	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

Processes:

2024 RFQ.exe

pid	Process
4552	2024 RFQ.exe
4552	2024 RFQ.exe

Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid	Process
3528	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

2024 RFQ.exeExplorer.EXEwscript.exe

description	pid	Process	procid_target
PID 4552 wrote to memory of 2008	4552	2024 RFQ.exe	86
PID 4552 wrote to memory of 2008	4552	2024 RFQ.exe	86
PID 4552 wrote to memory of 2008	4552	2024 RFQ.exe	86
PID 4552 wrote to memory of 2008	4552	2024 RFQ.exe	86
PID 3528 wrote to memory of 4800	3528	Explorer.EXE	100
PID 3528 wrote to memory of 4800	3528	Explorer.EXE	100
PID 3528 wrote to memory of 4800	3528	Explorer.EXE	100
PID 4800 wrote to memory of 3048	4800	wscript.exe	105
PID 4800 wrote to memory of 3048	4800	wscript.exe	105
PID 4800 wrote to memory of 3048	4800	wscript.exe	105

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3528
- C:\Users\Admin\AppData\Local\Temp\2024 RFQ.exe
  "C:\Users\Admin\AppData\Local\Temp\2024 RFQ.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:4552
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\2024 RFQ.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2008
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:4288
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:3620
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:1656
- C:\Windows\SysWOW64\wscript.exe
  "C:\Windows\SysWOW64\wscript.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:4800
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3048

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2008-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2008-4-0x0000000001B00000-0x0000000001E4A000-memory.dmp

Filesize
3.3MB

Download
memory/2008-11-0x0000000001AD0000-0x0000000001AE4000-memory.dmp

Filesize
80KB

Download
memory/2008-7-0x0000000001A60000-0x0000000001A74000-memory.dmp

Filesize
80KB

Download
memory/2008-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2008-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3528-8-0x00000000083B0000-0x00000000084CD000-memory.dmp

Filesize
1.1MB

Download
memory/3528-12-0x0000000008BB0000-0x0000000008CBE000-memory.dmp

Filesize
1.1MB

Download
memory/3528-13-0x00000000083B0000-0x00000000084CD000-memory.dmp

Filesize
1.1MB

Download
memory/3528-17-0x0000000008BB0000-0x0000000008CBE000-memory.dmp

Filesize
1.1MB

Download
memory/3528-20-0x0000000008D70000-0x0000000008E59000-memory.dmp

Filesize
932KB

Download
memory/3528-21-0x0000000008D70000-0x0000000008E59000-memory.dmp

Filesize
932KB

Download
memory/3528-23-0x0000000008D70000-0x0000000008E59000-memory.dmp

Filesize
932KB

Download
memory/4552-2-0x00000000040F0000-0x00000000042F0000-memory.dmp

Filesize
2.0MB

Download
memory/4800-14-0x00000000007A0000-0x00000000007C7000-memory.dmp

Filesize
156KB

Download
memory/4800-15-0x00000000007A0000-0x00000000007C7000-memory.dmp

Filesize
156KB

Download
memory/4800-16-0x0000000000B60000-0x0000000000B8F000-memory.dmp

Filesize
188KB

Download