formbook | cf1e31edb7bedf25369da849fd542383415787a0fc70a7d083e711735962df4b

Analysis

max time kernel
148s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-01-2025 07:52

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General

Target

CF1E31EDB7BEDF25369DA849FD542383415787A0FC70A7D083E711735962DF4B.exe
Size

1.1MB
MD5

ce485df14c7c69d923b375cdd00a4d72
SHA1

ec606ce770065755c4f9d5499a9fde04d563809a
SHA256

cf1e31edb7bedf25369da849fd542383415787a0fc70a7d083e711735962df4b
SHA512

673d18bafd2887c586b0cddbbba64d996d188564fe931b00b7f01faa9e441807194068c3b7d07a035caf0dd03718d41c2c479d06057317505c02659b2ef264ff
SSDEEP

24576:pAHnh+eWsN3skA4RV1Hom2KXMmHagViEf1eI/qfLDkQXo5:wh+ZkldoPK8YagXoJLDE

Score

10^/10

formbook ph01 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ph01

Decoy

23888.sbs

zvcj.sbs

raitpourtrait.net

ibraryfarmclub.online

omputercourses123.live

j88.doctor

atsue-color.click

epitalrentgrup.online

rvvpn.lol

i-signals.tech

cr-phoenix.best

frican-safari.online

c-games.zone

oardetest.online

f4md.shop

uke-saaac.buzz

arze.dev

nvestment-services-49610.bond

izatrip.sbs

ameron-paaaa.buzz

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

resource	yara_rule
behavioral2/memory/436-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/436-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/784-20-0x0000000000A70000-0x0000000000A9F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4120 set thread context of 436	4120	CF1E31EDB7BEDF25369DA849FD542383415787A0FC70A7D083E711735962DF4B.exe	82
PID 436 set thread context of 3532	436	svchost.exe	56
PID 784 set thread context of 3532	784	msdt.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	msdt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CF1E31EDB7BEDF25369DA849FD542383415787A0FC70A7D083E711735962DF4B.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
436	svchost.exe
436	svchost.exe
436	svchost.exe
436	svchost.exe
784	msdt.exe
784	msdt.exe
784	msdt.exe
784	msdt.exe
784	msdt.exe
784	msdt.exe
784	msdt.exe
784	msdt.exe
784	msdt.exe
784	msdt.exe
784	msdt.exe
784	msdt.exe
784	msdt.exe
784	msdt.exe
784	msdt.exe
784	msdt.exe
784	msdt.exe
784	msdt.exe
784	msdt.exe
784	msdt.exe
784	msdt.exe
784	msdt.exe
784	msdt.exe
784	msdt.exe
784	msdt.exe
784	msdt.exe
784	msdt.exe
784	msdt.exe
784	msdt.exe
784	msdt.exe
784	msdt.exe
784	msdt.exe
784	msdt.exe
784	msdt.exe
784	msdt.exe
784	msdt.exe
784	msdt.exe
784	msdt.exe
784	msdt.exe
784	msdt.exe
784	msdt.exe
784	msdt.exe
784	msdt.exe
784	msdt.exe
784	msdt.exe
784	msdt.exe
784	msdt.exe
784	msdt.exe
784	msdt.exe
784	msdt.exe
784	msdt.exe
784	msdt.exe
784	msdt.exe
784	msdt.exe
784	msdt.exe
784	msdt.exe
784	msdt.exe
784	msdt.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
4120	CF1E31EDB7BEDF25369DA849FD542383415787A0FC70A7D083E711735962DF4B.exe
436	svchost.exe
436	svchost.exe
436	svchost.exe
784	msdt.exe
784	msdt.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	436	svchost.exe
Token: SeDebugPrivilege	784	msdt.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4120	CF1E31EDB7BEDF25369DA849FD542383415787A0FC70A7D083E711735962DF4B.exe
4120	CF1E31EDB7BEDF25369DA849FD542383415787A0FC70A7D083E711735962DF4B.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
4120	CF1E31EDB7BEDF25369DA849FD542383415787A0FC70A7D083E711735962DF4B.exe
4120	CF1E31EDB7BEDF25369DA849FD542383415787A0FC70A7D083E711735962DF4B.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4120 wrote to memory of 436	4120	CF1E31EDB7BEDF25369DA849FD542383415787A0FC70A7D083E711735962DF4B.exe	82
PID 4120 wrote to memory of 436	4120	CF1E31EDB7BEDF25369DA849FD542383415787A0FC70A7D083E711735962DF4B.exe	82
PID 4120 wrote to memory of 436	4120	CF1E31EDB7BEDF25369DA849FD542383415787A0FC70A7D083E711735962DF4B.exe	82
PID 4120 wrote to memory of 436	4120	CF1E31EDB7BEDF25369DA849FD542383415787A0FC70A7D083E711735962DF4B.exe	82
PID 3532 wrote to memory of 784	3532	Explorer.EXE	83
PID 3532 wrote to memory of 784	3532	Explorer.EXE	83
PID 3532 wrote to memory of 784	3532	Explorer.EXE	83
PID 784 wrote to memory of 4540	784	msdt.exe	84
PID 784 wrote to memory of 4540	784	msdt.exe	84
PID 784 wrote to memory of 4540	784	msdt.exe	84

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3532
- C:\Users\Admin\AppData\Local\Temp\CF1E31EDB7BEDF25369DA849FD542383415787A0FC70A7D083E711735962DF4B.exe
  "C:\Users\Admin\AppData\Local\Temp\CF1E31EDB7BEDF25369DA849FD542383415787A0FC70A7D083E711735962DF4B.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:4120
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\CF1E31EDB7BEDF25369DA849FD542383415787A0FC70A7D083E711735962DF4B.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:436
- C:\Windows\SysWOW64\msdt.exe
  "C:\Windows\SysWOW64\msdt.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:784
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4540

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/436-16-0x0000000001A80000-0x0000000001A94000-memory.dmp

Filesize
80KB

Download
memory/436-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/436-13-0x0000000001B00000-0x0000000001E4A000-memory.dmp

Filesize
3.3MB

Download
memory/436-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/784-18-0x0000000000720000-0x0000000000777000-memory.dmp

Filesize
348KB

Download
memory/784-19-0x0000000000720000-0x0000000000777000-memory.dmp

Filesize
348KB

Download
memory/784-20-0x0000000000A70000-0x0000000000A9F000-memory.dmp

Filesize
188KB

Download
memory/3532-17-0x0000000009020000-0x000000000917A000-memory.dmp

Filesize
1.4MB

Download
memory/3532-21-0x0000000009020000-0x000000000917A000-memory.dmp

Filesize
1.4MB

Download
memory/3532-25-0x0000000008630000-0x00000000087BB000-memory.dmp

Filesize
1.5MB

Download
memory/3532-26-0x0000000008630000-0x00000000087BB000-memory.dmp

Filesize
1.5MB

Download
memory/3532-28-0x0000000008630000-0x00000000087BB000-memory.dmp

Filesize
1.5MB

Download
memory/4120-11-0x0000000003840000-0x0000000003844000-memory.dmp

Filesize
16KB

Download