formbook | a66fd780dafe112e8ee95dd63b7d6138fea1e5273b961b2774e3be95a677990d

Analysis

max time kernel
145s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31-10-2024 18:05

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General

Target

Payment USD10655.69 - Kassim.exe
Size

703KB
MD5

10a6749f5d629dd8a724bbab9e4ca18d
SHA1

51f9876f7f414adc7069569c1f034b96e32a1694
SHA256

a66fd780dafe112e8ee95dd63b7d6138fea1e5273b961b2774e3be95a677990d
SHA512

c5646e67585c20dda9f09d8deafa5c0dc7100e055df8e13ba2b2f81ac63b1eb8b8f751bd7630b5c7057953e915831d4dfc69b4b2f6e0e9ea0e6da9a34022e715
SSDEEP

12288:QvRrXQ9TZweIjcQ2nK7QjBj+ljRc6f/itos8NDiTThb+izH4cAXsq4nXZs78xLyf:qwIjdqJ+ljRdfKtos84TT1Pdq4nXZsBu

Score

10^/10

formbook md49 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

md49

Decoy

enithpro.shop

utozeed.agency

ornpicsbd.xyz

82yjj301.top

kphone.online

3ccha73hdl5.shop

seinow.online

usurrofest.info

2ads2s2.top

oritskul.net

etlivecasino.bet

erts.navy

anieubezpieczenia.online

dyhph1020pm.top

paceglide.space

ibmedia.net

arwyking.icu

soriaticarthritis101.today

earopia.shop

gctg2qt4h.top

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

Processes:

resource	yara_rule
behavioral2/memory/4436-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4436-16-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4984-22-0x00000000001B0000-0x00000000001DF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

Processes:

Payment USD10655.69 - Kassim.exePayment USD10655.69 - Kassim.exewlanext.exe

description	pid	Process	procid_target
PID 2100 set thread context of 4436	2100	Payment USD10655.69 - Kassim.exe	98
PID 4436 set thread context of 3432	4436	Payment USD10655.69 - Kassim.exe	56
PID 4984 set thread context of 3432	4984	wlanext.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

Processes:

Payment USD10655.69 - Kassim.exewlanext.execmd.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Payment USD10655.69 - Kassim.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wlanext.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 2 IoCs

Processes:

Explorer.EXE

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 52 IoCs

Processes:

Payment USD10655.69 - Kassim.exewlanext.exe

pid	Process
4436	Payment USD10655.69 - Kassim.exe
4436	Payment USD10655.69 - Kassim.exe
4436	Payment USD10655.69 - Kassim.exe
4436	Payment USD10655.69 - Kassim.exe
4984	wlanext.exe
4984	wlanext.exe
4984	wlanext.exe
4984	wlanext.exe
4984	wlanext.exe
4984	wlanext.exe
4984	wlanext.exe
4984	wlanext.exe
4984	wlanext.exe
4984	wlanext.exe
4984	wlanext.exe
4984	wlanext.exe
4984	wlanext.exe
4984	wlanext.exe
4984	wlanext.exe
4984	wlanext.exe
4984	wlanext.exe
4984	wlanext.exe
4984	wlanext.exe
4984	wlanext.exe
4984	wlanext.exe
4984	wlanext.exe
4984	wlanext.exe
4984	wlanext.exe
4984	wlanext.exe
4984	wlanext.exe
4984	wlanext.exe
4984	wlanext.exe
4984	wlanext.exe
4984	wlanext.exe
4984	wlanext.exe
4984	wlanext.exe
4984	wlanext.exe
4984	wlanext.exe
4984	wlanext.exe
4984	wlanext.exe
4984	wlanext.exe
4984	wlanext.exe
4984	wlanext.exe
4984	wlanext.exe
4984	wlanext.exe
4984	wlanext.exe
4984	wlanext.exe
4984	wlanext.exe
4984	wlanext.exe
4984	wlanext.exe
4984	wlanext.exe
4984	wlanext.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

Payment USD10655.69 - Kassim.exewlanext.exe

pid	Process
4436	Payment USD10655.69 - Kassim.exe
4436	Payment USD10655.69 - Kassim.exe
4436	Payment USD10655.69 - Kassim.exe
4984	wlanext.exe
4984	wlanext.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

Processes:

Payment USD10655.69 - Kassim.exewlanext.exeExplorer.EXE

description	pid	Process
Token: SeDebugPrivilege	4436	Payment USD10655.69 - Kassim.exe
Token: SeDebugPrivilege	4984	wlanext.exe
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid	Process
3432	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Payment USD10655.69 - Kassim.exeExplorer.EXEwlanext.exe

description	pid	Process	procid_target
PID 2100 wrote to memory of 4436	2100	Payment USD10655.69 - Kassim.exe	98
PID 2100 wrote to memory of 4436	2100	Payment USD10655.69 - Kassim.exe	98
PID 2100 wrote to memory of 4436	2100	Payment USD10655.69 - Kassim.exe	98
PID 2100 wrote to memory of 4436	2100	Payment USD10655.69 - Kassim.exe	98
PID 2100 wrote to memory of 4436	2100	Payment USD10655.69 - Kassim.exe	98
PID 2100 wrote to memory of 4436	2100	Payment USD10655.69 - Kassim.exe	98
PID 3432 wrote to memory of 4984	3432	Explorer.EXE	99
PID 3432 wrote to memory of 4984	3432	Explorer.EXE	99
PID 3432 wrote to memory of 4984	3432	Explorer.EXE	99
PID 4984 wrote to memory of 1848	4984	wlanext.exe	100
PID 4984 wrote to memory of 1848	4984	wlanext.exe	100
PID 4984 wrote to memory of 1848	4984	wlanext.exe	100

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3432
- C:\Users\Admin\AppData\Local\Temp\Payment USD10655.69 - Kassim.exe
  "C:\Users\Admin\AppData\Local\Temp\Payment USD10655.69 - Kassim.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2100
- - C:\Users\Admin\AppData\Local\Temp\Payment USD10655.69 - Kassim.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment USD10655.69 - Kassim.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4436
- 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:4984
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\Payment USD10655.69 - Kassim.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1848

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/2100-13-0x00000000750B0000-0x0000000075860000-memory.dmp

Filesize
7.7MB

Download
memory/2100-0-0x00000000750BE000-0x00000000750BF000-memory.dmp

Filesize
4KB

Download
memory/2100-2-0x0000000005BC0000-0x0000000006164000-memory.dmp

Filesize
5.6MB

Download
memory/2100-3-0x0000000005610000-0x00000000056A2000-memory.dmp

Filesize
584KB

Download
memory/2100-5-0x00000000750B0000-0x0000000075860000-memory.dmp

Filesize
7.7MB

Download
memory/2100-4-0x00000000057B0000-0x00000000057BA000-memory.dmp

Filesize
40KB

Download
memory/2100-6-0x0000000005A00000-0x0000000005A1C000-memory.dmp

Filesize
112KB

Download
memory/2100-7-0x00000000750BE000-0x00000000750BF000-memory.dmp

Filesize
4KB

Download
memory/2100-8-0x00000000750B0000-0x0000000075860000-memory.dmp

Filesize
7.7MB

Download
memory/2100-9-0x0000000002F90000-0x0000000003006000-memory.dmp

Filesize
472KB

Download
memory/2100-10-0x000000000D730000-0x000000000D7CC000-memory.dmp

Filesize
624KB

Download
memory/2100-1-0x0000000000CA0000-0x0000000000D56000-memory.dmp

Filesize
728KB

Download
memory/3432-27-0x0000000006F40000-0x0000000007002000-memory.dmp

Filesize
776KB

Download
memory/3432-18-0x0000000008CE0000-0x0000000008DE1000-memory.dmp

Filesize
1.0MB

Download
memory/3432-23-0x0000000008CE0000-0x0000000008DE1000-memory.dmp

Filesize
1.0MB

Download
memory/3432-28-0x0000000006F40000-0x0000000007002000-memory.dmp

Filesize
776KB

Download
memory/3432-30-0x0000000006F40000-0x0000000007002000-memory.dmp

Filesize
776KB

Download
memory/4436-14-0x00000000018C0000-0x0000000001C0A000-memory.dmp

Filesize
3.3MB

Download
memory/4436-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4436-17-0x0000000001830000-0x0000000001845000-memory.dmp

Filesize
84KB

Download
memory/4436-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4984-21-0x0000000000530000-0x0000000000547000-memory.dmp

Filesize
92KB

Download
memory/4984-19-0x0000000000530000-0x0000000000547000-memory.dmp

Filesize
92KB

Download
memory/4984-22-0x00000000001B0000-0x00000000001DF000-memory.dmp

Filesize
188KB

Download