formbook | 676dd73ec1a0a71496fc607ff2d8addea8d09b402a78947640d59eb86c9f87cc

Analysis

max time kernel
149s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-10-2024 12:27

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General

Target

RFQ 1024.scr
Size

649KB
MD5

1366223ed40a1a49c6509a9d7c308d45
SHA1

0ebe3c24e44b842096cb55839bbc2ba9a0db3996
SHA256

48b1fedfda70deb6e9daab21da06e53950f54c828c40a7390b63baf0a93c956f
SHA512

bbfca208f541bbd0cc0a8c757bc5d36ce4fdc8892eb069cb223b474dbd28cc5c29a069d14c3e6a0a641d5a1dd46c0741550ee3cb13f022de7dba342b7810fbab
SSDEEP

12288:RnCMxdmEi+hKB6yRP1aZueG0sNhes6EiR9koplkR:3xYEiL51cujNhesfijkou

Score

10^/10

formbook c24t discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

c24t

Decoy

ealthbridgeccs.online

ngelicais.art

uktuksu1.sbs

fapoker.asia

hecreature.tech

orenzoplaybest14.xyz

op-smartphones-deal.today

delark.click

7395.asia

otnews.cfd

j16e.xyz

oko.events

fscxb.top

roudtxliberals.vote

asas-br.bond

ourhealthyourlife.shop

fbpd.top

j9u9.xyz

uijiuw.top

aming-chair-37588.bond

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/5056-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/5056-23-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/380-72-0x00000000001C0000-0x00000000001EF000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
3732	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	RFQ 1024.scr

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3476 set thread context of 5056	3476	RFQ 1024.scr	87
PID 5056 set thread context of 3344	5056	RFQ 1024.scr	55
PID 380 set thread context of 3344	380	msiexec.exe	55

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msiexec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RFQ 1024.scr

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
3476	RFQ 1024.scr
3476	RFQ 1024.scr
5056	RFQ 1024.scr
5056	RFQ 1024.scr
5056	RFQ 1024.scr
5056	RFQ 1024.scr
3732	powershell.exe
3732	powershell.exe
380	msiexec.exe
380	msiexec.exe
380	msiexec.exe
380	msiexec.exe
380	msiexec.exe
380	msiexec.exe
380	msiexec.exe
380	msiexec.exe
380	msiexec.exe
380	msiexec.exe
380	msiexec.exe
380	msiexec.exe
380	msiexec.exe
380	msiexec.exe
380	msiexec.exe
380	msiexec.exe
380	msiexec.exe
380	msiexec.exe
380	msiexec.exe
380	msiexec.exe
380	msiexec.exe
380	msiexec.exe
380	msiexec.exe
380	msiexec.exe
380	msiexec.exe
380	msiexec.exe
380	msiexec.exe
380	msiexec.exe
380	msiexec.exe
380	msiexec.exe
380	msiexec.exe
380	msiexec.exe
380	msiexec.exe
380	msiexec.exe
380	msiexec.exe
380	msiexec.exe
380	msiexec.exe
380	msiexec.exe
380	msiexec.exe
380	msiexec.exe
380	msiexec.exe
380	msiexec.exe
380	msiexec.exe
380	msiexec.exe
380	msiexec.exe
380	msiexec.exe
380	msiexec.exe
380	msiexec.exe
380	msiexec.exe
380	msiexec.exe
380	msiexec.exe
380	msiexec.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
5056	RFQ 1024.scr
5056	RFQ 1024.scr
5056	RFQ 1024.scr
380	msiexec.exe
380	msiexec.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	3476	RFQ 1024.scr
Token: SeDebugPrivilege	5056	RFQ 1024.scr
Token: SeDebugPrivilege	3732	powershell.exe
Token: SeDebugPrivilege	380	msiexec.exe
Token: SeShutdownPrivilege	3344	Explorer.EXE
Token: SeCreatePagefilePrivilege	3344	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3344	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3476 wrote to memory of 3732	3476	RFQ 1024.scr	85
PID 3476 wrote to memory of 3732	3476	RFQ 1024.scr	85
PID 3476 wrote to memory of 3732	3476	RFQ 1024.scr	85
PID 3476 wrote to memory of 5056	3476	RFQ 1024.scr	87
PID 3476 wrote to memory of 5056	3476	RFQ 1024.scr	87
PID 3476 wrote to memory of 5056	3476	RFQ 1024.scr	87
PID 3476 wrote to memory of 5056	3476	RFQ 1024.scr	87
PID 3476 wrote to memory of 5056	3476	RFQ 1024.scr	87
PID 3476 wrote to memory of 5056	3476	RFQ 1024.scr	87
PID 3344 wrote to memory of 380	3344	Explorer.EXE	88
PID 3344 wrote to memory of 380	3344	Explorer.EXE	88
PID 3344 wrote to memory of 380	3344	Explorer.EXE	88
PID 380 wrote to memory of 4412	380	msiexec.exe	89
PID 380 wrote to memory of 4412	380	msiexec.exe	89
PID 380 wrote to memory of 4412	380	msiexec.exe	89

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3344
- C:\Users\Admin\AppData\Local\Temp\RFQ 1024.scr
  "C:\Users\Admin\AppData\Local\Temp\RFQ 1024.scr" /S
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3476
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\RFQ 1024.scr"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3732
- - C:\Users\Admin\AppData\Local\Temp\RFQ 1024.scr
    "C:\Users\Admin\AppData\Local\Temp\RFQ 1024.scr"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:5056
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\SysWOW64\msiexec.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:380
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\RFQ 1024.scr"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4412

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jxiix4l3.c3o.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/380-60-0x0000000000890000-0x00000000008A2000-memory.dmp

Filesize
72KB

Download
memory/380-64-0x0000000000890000-0x00000000008A2000-memory.dmp

Filesize
72KB

Download
memory/380-62-0x0000000000890000-0x00000000008A2000-memory.dmp

Filesize
72KB

Download
memory/380-72-0x00000000001C0000-0x00000000001EF000-memory.dmp

Filesize
188KB

Download
memory/3344-76-0x00000000084A0000-0x00000000085F8000-memory.dmp

Filesize
1.3MB

Download
memory/3344-21-0x00000000028E0000-0x00000000029A0000-memory.dmp

Filesize
768KB

Download
memory/3344-73-0x00000000028E0000-0x00000000029A0000-memory.dmp

Filesize
768KB

Download
memory/3476-5-0x0000000074B80000-0x0000000075330000-memory.dmp

Filesize
7.7MB

Download
memory/3476-9-0x0000000006AA0000-0x0000000006B16000-memory.dmp

Filesize
472KB

Download
memory/3476-10-0x000000000A9D0000-0x000000000AA6C000-memory.dmp

Filesize
624KB

Download
memory/3476-8-0x0000000074B80000-0x0000000075330000-memory.dmp

Filesize
7.7MB

Download
memory/3476-13-0x0000000074B80000-0x0000000075330000-memory.dmp

Filesize
7.7MB

Download
memory/3476-7-0x0000000074B8E000-0x0000000074B8F000-memory.dmp

Filesize
4KB

Download
memory/3476-6-0x0000000005BB0000-0x0000000005BC8000-memory.dmp

Filesize
96KB

Download
memory/3476-4-0x00000000058A0000-0x00000000058AA000-memory.dmp

Filesize
40KB

Download
memory/3476-3-0x00000000057C0000-0x0000000005852000-memory.dmp

Filesize
584KB

Download
memory/3476-2-0x0000000005E30000-0x00000000063D4000-memory.dmp

Filesize
5.6MB

Download
memory/3476-1-0x0000000000E80000-0x0000000000F26000-memory.dmp

Filesize
664KB

Download
memory/3476-0-0x0000000074B8E000-0x0000000074B8F000-memory.dmp

Filesize
4KB

Download
memory/3732-36-0x00000000058D0000-0x0000000005C24000-memory.dmp

Filesize
3.3MB

Download
memory/3732-54-0x0000000006E80000-0x0000000006F23000-memory.dmp

Filesize
652KB

Download
memory/3732-25-0x0000000004FA0000-0x0000000005006000-memory.dmp

Filesize
408KB

Download
memory/3732-26-0x0000000005010000-0x0000000005076000-memory.dmp

Filesize
408KB

Download
memory/3732-24-0x0000000004F00000-0x0000000004F22000-memory.dmp

Filesize
136KB

Download
memory/3732-18-0x0000000074B80000-0x0000000075330000-memory.dmp

Filesize
7.7MB

Download
memory/3732-14-0x0000000002580000-0x00000000025B6000-memory.dmp

Filesize
216KB

Download
memory/3732-37-0x0000000005E70000-0x0000000005E8E000-memory.dmp

Filesize
120KB

Download
memory/3732-38-0x0000000006300000-0x000000000634C000-memory.dmp

Filesize
304KB

Download
memory/3732-39-0x000000007F7D0000-0x000000007F7E0000-memory.dmp

Filesize
64KB

Download
memory/3732-41-0x0000000071440000-0x000000007148C000-memory.dmp

Filesize
304KB

Download
memory/3732-40-0x0000000006E30000-0x0000000006E62000-memory.dmp

Filesize
200KB

Download
memory/3732-52-0x0000000004B60000-0x0000000004B70000-memory.dmp

Filesize
64KB

Download
memory/3732-53-0x0000000006450000-0x000000000646E000-memory.dmp

Filesize
120KB

Download
memory/3732-51-0x0000000004B60000-0x0000000004B70000-memory.dmp

Filesize
64KB

Download
memory/3732-16-0x0000000074B8E000-0x0000000074B8F000-memory.dmp

Filesize
4KB

Download
memory/3732-55-0x00000000078A0000-0x0000000007F1A000-memory.dmp

Filesize
6.5MB

Download
memory/3732-56-0x0000000006FB0000-0x0000000006FCA000-memory.dmp

Filesize
104KB

Download
memory/3732-57-0x0000000007230000-0x000000000723A000-memory.dmp

Filesize
40KB

Download
memory/3732-58-0x0000000007440000-0x00000000074D6000-memory.dmp

Filesize
600KB

Download
memory/3732-59-0x00000000073C0000-0x00000000073D1000-memory.dmp

Filesize
68KB

Download
memory/3732-22-0x0000000004B60000-0x0000000004B70000-memory.dmp

Filesize
64KB

Download
memory/3732-71-0x0000000074B80000-0x0000000075330000-memory.dmp

Filesize
7.7MB

Download
memory/3732-19-0x00000000051A0000-0x00000000057C8000-memory.dmp

Filesize
6.2MB

Download
memory/3732-65-0x00000000073F0000-0x00000000073FE000-memory.dmp

Filesize
56KB

Download
memory/3732-66-0x0000000007400000-0x0000000007414000-memory.dmp

Filesize
80KB

Download
memory/3732-67-0x0000000007500000-0x000000000751A000-memory.dmp

Filesize
104KB

Download
memory/3732-68-0x00000000074E0000-0x00000000074E8000-memory.dmp

Filesize
32KB

Download
memory/5056-23-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/5056-20-0x0000000001580000-0x0000000001594000-memory.dmp

Filesize
80KB

Download
memory/5056-15-0x0000000001620000-0x000000000196A000-memory.dmp

Filesize
3.3MB

Download
memory/5056-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download