formbook | 8ac8568934d1a0ab9a9923449bf11c0d44d97abca0bcabd60b94348642f046ac

Analysis

max time kernel
146s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
08/08/2024, 01:26

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General

Target

8ac8568934d1a0ab9a9923449bf11c0d44d97abca0bcabd60b94348642f046ac.exe
Size

2.1MB
MD5

3d93ad3d9374e100842fc9a5c683d86b
SHA1

6d84040392c2b071dd1546a85ce7c8f527d7e1b3
SHA256

8ac8568934d1a0ab9a9923449bf11c0d44d97abca0bcabd60b94348642f046ac
SHA512

d87baae4c95e41bf82c60c705638d010e3e6e7aa66a95adb9e4280ab2f9acf8b6f633c919f9ef4bc69bac0d700f010c2d72643aacffac4878e7855b3528e40f1
SSDEEP

12288:LB9rRHQ435jKIJE/yGcn5k9BTFE1ksbRz0A7JFVTr/EJ:d9rpQ4BGcATFokMT/n8

Score

10^/10

formbook oi12 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

oi12

Decoy

exobello.bio

boinga.xyz

animasriversurf.com

gamesflashg.com

hayatbagievleri.online

washington-living.com

july7.store

x-pod-technologies.com

farmhouseflaire.com

qb52aa.top

datasynthing.xyz

5v28n.rest

legacycommerceltd.com

mundodelosjuguetes.com

wjblades.com

z9b6g8.com

eskimotech.net

dreziuy.xyz

bestsolarcompanies.services

vertemisconsulting.com

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/1416-5-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1416-8-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3164-15-0x0000000001370000-0x000000000139F000-memory.dmp	formbook

Blocklisted process makes network request 1 IoCs

flow	pid	Process
39	3164	cmd.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 856 set thread context of 1416	856	8ac8568934d1a0ab9a9923449bf11c0d44d97abca0bcabd60b94348642f046ac.exe	89
PID 1416 set thread context of 3480	1416	aspnet_wp.exe	56
PID 3164 set thread context of 3480	3164	cmd.exe	56

System Location Discovery: System Language Discovery 1 TTPs 2 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	cmd.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
1416	aspnet_wp.exe
1416	aspnet_wp.exe
1416	aspnet_wp.exe
1416	aspnet_wp.exe
3164	cmd.exe
3164	cmd.exe
3164	cmd.exe
3164	cmd.exe
3164	cmd.exe
3164	cmd.exe
3164	cmd.exe
3164	cmd.exe
3164	cmd.exe
3164	cmd.exe
3164	cmd.exe
3164	cmd.exe
3164	cmd.exe
3164	cmd.exe
3164	cmd.exe
3164	cmd.exe
3164	cmd.exe
3164	cmd.exe
3164	cmd.exe
3164	cmd.exe
3164	cmd.exe
3164	cmd.exe
3164	cmd.exe
3164	cmd.exe
3164	cmd.exe
3164	cmd.exe
3164	cmd.exe
3164	cmd.exe
3164	cmd.exe
3164	cmd.exe
3164	cmd.exe
3164	cmd.exe
3164	cmd.exe
3164	cmd.exe
3164	cmd.exe
3164	cmd.exe
3164	cmd.exe
3164	cmd.exe
3164	cmd.exe
3164	cmd.exe
3164	cmd.exe
3164	cmd.exe
3164	cmd.exe
3164	cmd.exe
3164	cmd.exe
3164	cmd.exe
3164	cmd.exe
3164	cmd.exe
3164	cmd.exe
3164	cmd.exe
3164	cmd.exe
3164	cmd.exe
3164	cmd.exe
3164	cmd.exe
3164	cmd.exe
3164	cmd.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
1416	aspnet_wp.exe
1416	aspnet_wp.exe
1416	aspnet_wp.exe
3164	cmd.exe
3164	cmd.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1416	aspnet_wp.exe
Token: SeShutdownPrivilege	3480	Explorer.EXE
Token: SeCreatePagefilePrivilege	3480	Explorer.EXE
Token: SeDebugPrivilege	3164	cmd.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3480	Explorer.EXE

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 856 wrote to memory of 2572	856	8ac8568934d1a0ab9a9923449bf11c0d44d97abca0bcabd60b94348642f046ac.exe	87
PID 856 wrote to memory of 2572	856	8ac8568934d1a0ab9a9923449bf11c0d44d97abca0bcabd60b94348642f046ac.exe	87
PID 856 wrote to memory of 2572	856	8ac8568934d1a0ab9a9923449bf11c0d44d97abca0bcabd60b94348642f046ac.exe	87
PID 856 wrote to memory of 5028	856	8ac8568934d1a0ab9a9923449bf11c0d44d97abca0bcabd60b94348642f046ac.exe	88
PID 856 wrote to memory of 5028	856	8ac8568934d1a0ab9a9923449bf11c0d44d97abca0bcabd60b94348642f046ac.exe	88
PID 856 wrote to memory of 5028	856	8ac8568934d1a0ab9a9923449bf11c0d44d97abca0bcabd60b94348642f046ac.exe	88
PID 856 wrote to memory of 1416	856	8ac8568934d1a0ab9a9923449bf11c0d44d97abca0bcabd60b94348642f046ac.exe	89
PID 856 wrote to memory of 1416	856	8ac8568934d1a0ab9a9923449bf11c0d44d97abca0bcabd60b94348642f046ac.exe	89
PID 856 wrote to memory of 1416	856	8ac8568934d1a0ab9a9923449bf11c0d44d97abca0bcabd60b94348642f046ac.exe	89
PID 856 wrote to memory of 1416	856	8ac8568934d1a0ab9a9923449bf11c0d44d97abca0bcabd60b94348642f046ac.exe	89
PID 856 wrote to memory of 1416	856	8ac8568934d1a0ab9a9923449bf11c0d44d97abca0bcabd60b94348642f046ac.exe	89
PID 856 wrote to memory of 1416	856	8ac8568934d1a0ab9a9923449bf11c0d44d97abca0bcabd60b94348642f046ac.exe	89
PID 856 wrote to memory of 964	856	8ac8568934d1a0ab9a9923449bf11c0d44d97abca0bcabd60b94348642f046ac.exe	90
PID 856 wrote to memory of 964	856	8ac8568934d1a0ab9a9923449bf11c0d44d97abca0bcabd60b94348642f046ac.exe	90
PID 856 wrote to memory of 964	856	8ac8568934d1a0ab9a9923449bf11c0d44d97abca0bcabd60b94348642f046ac.exe	90
PID 3480 wrote to memory of 3164	3480	Explorer.EXE	94
PID 3480 wrote to memory of 3164	3480	Explorer.EXE	94
PID 3480 wrote to memory of 3164	3480	Explorer.EXE	94
PID 3164 wrote to memory of 552	3164	cmd.exe	95
PID 3164 wrote to memory of 552	3164	cmd.exe	95
PID 3164 wrote to memory of 552	3164	cmd.exe	95

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3480
- C:\Users\Admin\AppData\Local\Temp\8ac8568934d1a0ab9a9923449bf11c0d44d97abca0bcabd60b94348642f046ac.exe
  "C:\Users\Admin\AppData\Local\Temp\8ac8568934d1a0ab9a9923449bf11c0d44d97abca0bcabd60b94348642f046ac.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:856
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
    3⤵
    PID:2572
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
    3⤵
    PID:5028
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1416
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe"
    3⤵
    PID:964
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\SysWOW64\cmd.exe"
  2⤵
  - Blocklisted process makes network request
  - 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:3164
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:552

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scripting

T1064

Persistence

Privilege Escalation

Defense Evasion

Scripting

T1064

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/856-0-0x00007FF810C13000-0x00007FF810C15000-memory.dmp

Filesize
8KB

Download
memory/856-1-0x0000022FB0870000-0x0000022FB087A000-memory.dmp

Filesize
40KB

Download
memory/856-2-0x0000022FB0C20000-0x0000022FB0C26000-memory.dmp

Filesize
24KB

Download
memory/856-3-0x00007FF810C10000-0x00007FF8116D1000-memory.dmp

Filesize
10.8MB

Download
memory/856-4-0x0000022FB2470000-0x0000022FB24F6000-memory.dmp

Filesize
536KB

Download
memory/856-11-0x00007FF810C10000-0x00007FF8116D1000-memory.dmp

Filesize
10.8MB

Download
memory/1416-9-0x0000000000D90000-0x0000000000DA4000-memory.dmp

Filesize
80KB

Download
memory/1416-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1416-6-0x0000000001250000-0x000000000159A000-memory.dmp

Filesize
3.3MB

Download
memory/1416-5-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3164-14-0x0000000000860000-0x00000000008BA000-memory.dmp

Filesize
360KB

Download
memory/3164-12-0x0000000000860000-0x00000000008BA000-memory.dmp

Filesize
360KB

Download
memory/3164-15-0x0000000001370000-0x000000000139F000-memory.dmp

Filesize
188KB

Download
memory/3480-10-0x0000000008DF0000-0x0000000008F73000-memory.dmp

Filesize
1.5MB

Download
memory/3480-17-0x0000000008DF0000-0x0000000008F73000-memory.dmp

Filesize
1.5MB

Download
memory/3480-19-0x0000000008AD0000-0x0000000008BC0000-memory.dmp

Filesize
960KB

Download
memory/3480-20-0x0000000008AD0000-0x0000000008BC0000-memory.dmp

Filesize
960KB

Download
memory/3480-24-0x0000000008AD0000-0x0000000008BC0000-memory.dmp

Filesize
960KB

Download