formbook | d4d75559f75b84b857c8f2423c1311043845b02f1ebb4ca6bbe0b41ad8cda821

Analysis

max time kernel
149s
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
10-01-2025 04:02

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General

Target

d4d75559f75b84b857c8f2423c1311043845b02f1ebb4ca6bbe0b41ad8cda821.exe
Size

1.7MB
MD5

5e87fce7bcc2c37521999ef3df14806a
SHA1

dbaba7033d7e78eb5934d2d8ebeb814ecd9ab68e
SHA256

d4d75559f75b84b857c8f2423c1311043845b02f1ebb4ca6bbe0b41ad8cda821
SHA512

c47a13c15a4f7423bb564c7b19f8170a9a8cb6351b247cbc2a55341e624aee4580cb21ac0a775afa9b43f8340b0dca076b40e87a5d890cab5a42c86f796bf7a4
SSDEEP

24576:hqDEvCTbMWu7rQYlBQcBiT6rprG8aR1AdKVsRz7X58ggdSjWuve:hTvC/MTQYxsWR7aRidKVsRzz5RgE6u

Score

10^/10

formbook no84 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

no84

Decoy

odalis.solutions

arehouse-inventory-39660.bond

uzcobrands.store

ersonaformosa.net

assiveincome.video

ro-staff-lp.net

aapp.cloud

leaning-jobs-55001.bond

nfluencer-marketing-14840.bond

ebmyadmin.online

djl.info

aulocandotii.info

ecurity-apps-72506.bond

arketwise.sbs

temcellsusa.net

fagame888.net

eelsbalance.online

nternetempauta.online

uivision.net

pfjc.info

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/4776-3-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4776-6-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4776-10-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4288-17-0x00000000003B0000-0x00000000003DF000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 64 set thread context of 4776	64	d4d75559f75b84b857c8f2423c1311043845b02f1ebb4ca6bbe0b41ad8cda821.exe	82
PID 4776 set thread context of 3468	4776	svchost.exe	56
PID 4776 set thread context of 3468	4776	svchost.exe	56
PID 4288 set thread context of 3468	4288	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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d4d75559f75b84b857c8f2423c1311043845b02f1ebb4ca6bbe0b41ad8cda821.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wlanext.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
4776	svchost.exe
4776	svchost.exe
4776	svchost.exe
4776	svchost.exe
4776	svchost.exe
4776	svchost.exe
4288	wlanext.exe
4288	wlanext.exe
4288	wlanext.exe
4288	wlanext.exe
4288	wlanext.exe
4288	wlanext.exe
4288	wlanext.exe
4288	wlanext.exe
4288	wlanext.exe
4288	wlanext.exe
4288	wlanext.exe
4288	wlanext.exe
4288	wlanext.exe
4288	wlanext.exe
4288	wlanext.exe
4288	wlanext.exe
4288	wlanext.exe
4288	wlanext.exe
4288	wlanext.exe
4288	wlanext.exe
4288	wlanext.exe
4288	wlanext.exe
4288	wlanext.exe
4288	wlanext.exe
4288	wlanext.exe
4288	wlanext.exe
4288	wlanext.exe
4288	wlanext.exe
4288	wlanext.exe
4288	wlanext.exe
4288	wlanext.exe
4288	wlanext.exe
4288	wlanext.exe
4288	wlanext.exe
4288	wlanext.exe
4288	wlanext.exe
4288	wlanext.exe
4288	wlanext.exe
4288	wlanext.exe
4288	wlanext.exe
4288	wlanext.exe
4288	wlanext.exe
4288	wlanext.exe
4288	wlanext.exe
4288	wlanext.exe
4288	wlanext.exe
4288	wlanext.exe
4288	wlanext.exe
4288	wlanext.exe
4288	wlanext.exe
4288	wlanext.exe
4288	wlanext.exe
4288	wlanext.exe
4288	wlanext.exe
4288	wlanext.exe
4288	wlanext.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
64	d4d75559f75b84b857c8f2423c1311043845b02f1ebb4ca6bbe0b41ad8cda821.exe
4776	svchost.exe
4776	svchost.exe
4776	svchost.exe
4776	svchost.exe
4288	wlanext.exe
4288	wlanext.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4776	svchost.exe
Token: SeDebugPrivilege	4288	wlanext.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
64	d4d75559f75b84b857c8f2423c1311043845b02f1ebb4ca6bbe0b41ad8cda821.exe
64	d4d75559f75b84b857c8f2423c1311043845b02f1ebb4ca6bbe0b41ad8cda821.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
64	d4d75559f75b84b857c8f2423c1311043845b02f1ebb4ca6bbe0b41ad8cda821.exe
64	d4d75559f75b84b857c8f2423c1311043845b02f1ebb4ca6bbe0b41ad8cda821.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 64 wrote to memory of 4776	64	d4d75559f75b84b857c8f2423c1311043845b02f1ebb4ca6bbe0b41ad8cda821.exe	82
PID 64 wrote to memory of 4776	64	d4d75559f75b84b857c8f2423c1311043845b02f1ebb4ca6bbe0b41ad8cda821.exe	82
PID 64 wrote to memory of 4776	64	d4d75559f75b84b857c8f2423c1311043845b02f1ebb4ca6bbe0b41ad8cda821.exe	82
PID 64 wrote to memory of 4776	64	d4d75559f75b84b857c8f2423c1311043845b02f1ebb4ca6bbe0b41ad8cda821.exe	82
PID 3468 wrote to memory of 4288	3468	Explorer.EXE	83
PID 3468 wrote to memory of 4288	3468	Explorer.EXE	83
PID 3468 wrote to memory of 4288	3468	Explorer.EXE	83
PID 4288 wrote to memory of 3884	4288	wlanext.exe	84
PID 4288 wrote to memory of 3884	4288	wlanext.exe	84
PID 4288 wrote to memory of 3884	4288	wlanext.exe	84

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3468
- C:\Users\Admin\AppData\Local\Temp\d4d75559f75b84b857c8f2423c1311043845b02f1ebb4ca6bbe0b41ad8cda821.exe
  "C:\Users\Admin\AppData\Local\Temp\d4d75559f75b84b857c8f2423c1311043845b02f1ebb4ca6bbe0b41ad8cda821.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:64
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\d4d75559f75b84b857c8f2423c1311043845b02f1ebb4ca6bbe0b41ad8cda821.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4776
- 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:4288
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3884

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/64-2-0x0000000000E50000-0x0000000001250000-memory.dmp

Filesize
4.0MB

Download
memory/3468-24-0x00000000034C0000-0x0000000003596000-memory.dmp

Filesize
856KB

Download
memory/3468-23-0x00000000034C0000-0x0000000003596000-memory.dmp

Filesize
856KB

Download
memory/3468-21-0x00000000034C0000-0x0000000003596000-memory.dmp

Filesize
856KB

Download
memory/3468-8-0x000000000B0A0000-0x000000000B1FA000-memory.dmp

Filesize
1.4MB

Download
memory/3468-12-0x000000000B200000-0x000000000B3AE000-memory.dmp

Filesize
1.7MB

Download
memory/3468-18-0x000000000B200000-0x000000000B3AE000-memory.dmp

Filesize
1.7MB

Download
memory/3468-13-0x000000000B0A0000-0x000000000B1FA000-memory.dmp

Filesize
1.4MB

Download
memory/4288-14-0x0000000000FD0000-0x0000000000FE7000-memory.dmp

Filesize
92KB

Download
memory/4288-17-0x00000000003B0000-0x00000000003DF000-memory.dmp

Filesize
188KB

Download
memory/4288-16-0x0000000000FD0000-0x0000000000FE7000-memory.dmp

Filesize
92KB

Download
memory/4776-7-0x0000000001990000-0x00000000019A5000-memory.dmp

Filesize
84KB

Download
memory/4776-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4776-11-0x0000000003B20000-0x0000000003B35000-memory.dmp

Filesize
84KB

Download
memory/4776-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4776-4-0x0000000001C00000-0x0000000001F4A000-memory.dmp

Filesize
3.3MB

Download
memory/4776-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download