formbook | c3003e82f1e4508bb923a29c746e4d865d9abe3ba0fb4da34c727fb4c53e9898

Analysis

max time kernel
147s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
27-08-2024 02:04

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

PO2024.exe
Size

1.0MB
MD5

4099b081636e14f2326abd794d76c4f4
SHA1

a57733604ae479aa817b86fdd5d2cceee038b084
SHA256

8909a2b3749cb8ce0a53d100d45e034c66f5bf69684bbb6392f9e305433f7f40
SHA512

e8375dd5310c269ce22b8df87880d3071777d79cb8bfca6f730e2509b031adeb5fc50bc1c526fa6db4a6f5dc16a4082e630f94c5afcbb6e67b621342cd1c88d4
SSDEEP

24576:KAHnh+eWsN3skA4RV1Hom2KXMmHa+vEOJhosaBJkgK5:dh+ZkldoPK8Ya+vHJhJYJkR

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 payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/1060-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1060-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4632-19-0x0000000001070000-0x000000000109F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2648 set thread context of 1060	2648	PO2024.exe	89
PID 1060 set thread context of 3580	1060	svchost.exe	56
PID 4632 set thread context of 3580	4632	colorcpl.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	PO2024.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	colorcpl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
1060	svchost.exe
1060	svchost.exe
1060	svchost.exe
1060	svchost.exe
4632	colorcpl.exe
4632	colorcpl.exe
4632	colorcpl.exe
4632	colorcpl.exe
4632	colorcpl.exe
4632	colorcpl.exe
4632	colorcpl.exe
4632	colorcpl.exe
4632	colorcpl.exe
4632	colorcpl.exe
4632	colorcpl.exe
4632	colorcpl.exe
4632	colorcpl.exe
4632	colorcpl.exe
4632	colorcpl.exe
4632	colorcpl.exe
4632	colorcpl.exe
4632	colorcpl.exe
4632	colorcpl.exe
4632	colorcpl.exe
4632	colorcpl.exe
4632	colorcpl.exe
4632	colorcpl.exe
4632	colorcpl.exe
4632	colorcpl.exe
4632	colorcpl.exe
4632	colorcpl.exe
4632	colorcpl.exe
4632	colorcpl.exe
4632	colorcpl.exe
4632	colorcpl.exe
4632	colorcpl.exe
4632	colorcpl.exe
4632	colorcpl.exe
4632	colorcpl.exe
4632	colorcpl.exe
4632	colorcpl.exe
4632	colorcpl.exe
4632	colorcpl.exe
4632	colorcpl.exe
4632	colorcpl.exe
4632	colorcpl.exe
4632	colorcpl.exe
4632	colorcpl.exe
4632	colorcpl.exe
4632	colorcpl.exe
4632	colorcpl.exe
4632	colorcpl.exe
4632	colorcpl.exe
4632	colorcpl.exe
4632	colorcpl.exe
4632	colorcpl.exe
4632	colorcpl.exe
4632	colorcpl.exe
4632	colorcpl.exe
4632	colorcpl.exe
4632	colorcpl.exe
4632	colorcpl.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2648	PO2024.exe
1060	svchost.exe
1060	svchost.exe
1060	svchost.exe
4632	colorcpl.exe
4632	colorcpl.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1060	svchost.exe
Token: SeDebugPrivilege	4632	colorcpl.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2648	PO2024.exe
2648	PO2024.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2648	PO2024.exe
2648	PO2024.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3580	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2648 wrote to memory of 1060	2648	PO2024.exe	89
PID 2648 wrote to memory of 1060	2648	PO2024.exe	89
PID 2648 wrote to memory of 1060	2648	PO2024.exe	89
PID 2648 wrote to memory of 1060	2648	PO2024.exe	89
PID 3580 wrote to memory of 4632	3580	Explorer.EXE	90
PID 3580 wrote to memory of 4632	3580	Explorer.EXE	90
PID 3580 wrote to memory of 4632	3580	Explorer.EXE	90
PID 4632 wrote to memory of 1192	4632	colorcpl.exe	95
PID 4632 wrote to memory of 1192	4632	colorcpl.exe	95
PID 4632 wrote to memory of 1192	4632	colorcpl.exe	95

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3580
- C:\Users\Admin\AppData\Local\Temp\PO2024.exe
  "C:\Users\Admin\AppData\Local\Temp\PO2024.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:2648
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\PO2024.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1060
- C:\Windows\SysWOW64\colorcpl.exe
  "C:\Windows\SysWOW64\colorcpl.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:4632
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1192

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/1060-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1060-12-0x0000000001A00000-0x0000000001D4A000-memory.dmp

Filesize
3.3MB

Download
memory/1060-15-0x0000000001F00000-0x0000000001F14000-memory.dmp

Filesize
80KB

Download
memory/1060-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2648-10-0x0000000002780000-0x0000000002784000-memory.dmp

Filesize
16KB

Download
memory/3580-20-0x00000000087F0000-0x0000000008951000-memory.dmp

Filesize
1.4MB

Download
memory/3580-16-0x00000000087F0000-0x0000000008951000-memory.dmp

Filesize
1.4MB

Download
memory/3580-24-0x0000000007520000-0x0000000007608000-memory.dmp

Filesize
928KB

Download
memory/3580-25-0x0000000007520000-0x0000000007608000-memory.dmp

Filesize
928KB

Download
memory/3580-27-0x0000000007520000-0x0000000007608000-memory.dmp

Filesize
928KB

Download
memory/4632-17-0x0000000000140000-0x0000000000159000-memory.dmp

Filesize
100KB

Download
memory/4632-18-0x0000000000140000-0x0000000000159000-memory.dmp

Filesize
100KB

Download
memory/4632-19-0x0000000001070000-0x000000000109F000-memory.dmp

Filesize
188KB

Download