formbook | b1f9b3ef3e6192490d6ff9f23f8b360edf2c5b7722a2ba843d1ece24c2f990ce

Analysis

max time kernel
149s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2024, 04:04

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General

Target

Project 88399287990.exe
Size

622KB
MD5

3837485b707ee00ae594d8b339c56ece
SHA1

df8dab1ca8581cdf2c8de899d0d4a8df8ca8d24c
SHA256

71ef3a1c1b5deecad87d419dff14667503ffbfb7f5a16f5b53eda57ae33bde7b
SHA512

6a243b10b4e556d4cf6c95f5f7d534f0ec8bd32f6cb5c153abfbdf2dcaa04c6adcb122a42cccb882cee90c98b6d50fc04bb9355f0de7a82a27e615ae10c39ba6
SSDEEP

6144:UJ4uZ9l5FllawMqFj/02XzSlGDQNo/vSx2oJrZKhCuKEB96MFZN+4RSOKQm0umL:UJ4up5UwMqFjjU3QMVtuKEn6qq4I

Score

10^/10

formbook ksb discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ksb

Decoy

rbscotl.net

mimascota10.com

ncylis.com

mariemdonacosmetics.com

elitecleaningnow.com

stockvisioner.com

whatsmodish.com

paghaze.com

weargoodsport.com

alesspace.com

rajputboarding.com

ctezna.site

athetheist.com

neurologistaandreialamberti.com

pindaz.com

ericsklavos.com

icare4me.com

xn--pypl-qoac.com

52swith.com

chetansenterprises.com

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/372-31-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/372-42-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/372-93-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

execution

PowerShell

T1059.001

pid	Process
3676	powershell.exe
3232	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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	Project 88399287990.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 3836 set thread context of 372	3836	Project 88399287990.exe	96
PID 372 set thread context of 3436	372	Project 88399287990.exe	56
PID 372 set thread context of 3436	372	Project 88399287990.exe	56
PID 3692 set thread context of 3436	3692	wlanext.exe	56

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 6 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	wlanext.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Project 88399287990.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
3348	schtasks.exe

Suspicious behavior: EnumeratesProcesses 23 IoCs

pid	Process
3676	powershell.exe
3836	Project 88399287990.exe
3676	powershell.exe
372	Project 88399287990.exe
372	Project 88399287990.exe
372	Project 88399287990.exe
372	Project 88399287990.exe
3232	powershell.exe
3232	powershell.exe
372	Project 88399287990.exe
372	Project 88399287990.exe
3692	wlanext.exe
3692	wlanext.exe
3692	wlanext.exe
3692	wlanext.exe
3692	wlanext.exe
3692	wlanext.exe
3692	wlanext.exe
3692	wlanext.exe
3692	wlanext.exe
3692	wlanext.exe
3692	wlanext.exe
3692	wlanext.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
372	Project 88399287990.exe
372	Project 88399287990.exe
372	Project 88399287990.exe
372	Project 88399287990.exe
3692	wlanext.exe
3692	wlanext.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	3676	powershell.exe
Token: SeDebugPrivilege	3836	Project 88399287990.exe
Token: SeDebugPrivilege	372	Project 88399287990.exe
Token: SeDebugPrivilege	3232	powershell.exe
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE
Token: SeDebugPrivilege	3692	wlanext.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3836 wrote to memory of 3676	3836	Project 88399287990.exe	91
PID 3836 wrote to memory of 3676	3836	Project 88399287990.exe	91
PID 3836 wrote to memory of 3676	3836	Project 88399287990.exe	91
PID 3836 wrote to memory of 3348	3836	Project 88399287990.exe	93
PID 3836 wrote to memory of 3348	3836	Project 88399287990.exe	93
PID 3836 wrote to memory of 3348	3836	Project 88399287990.exe	93
PID 3836 wrote to memory of 3232	3836	Project 88399287990.exe	95
PID 3836 wrote to memory of 3232	3836	Project 88399287990.exe	95
PID 3836 wrote to memory of 3232	3836	Project 88399287990.exe	95
PID 3836 wrote to memory of 372	3836	Project 88399287990.exe	96
PID 3836 wrote to memory of 372	3836	Project 88399287990.exe	96
PID 3836 wrote to memory of 372	3836	Project 88399287990.exe	96
PID 3836 wrote to memory of 372	3836	Project 88399287990.exe	96
PID 3836 wrote to memory of 372	3836	Project 88399287990.exe	96
PID 3836 wrote to memory of 372	3836	Project 88399287990.exe	96
PID 3436 wrote to memory of 3692	3436	Explorer.EXE	99
PID 3436 wrote to memory of 3692	3436	Explorer.EXE	99
PID 3436 wrote to memory of 3692	3436	Explorer.EXE	99
PID 3692 wrote to memory of 1988	3692	wlanext.exe	100
PID 3692 wrote to memory of 1988	3692	wlanext.exe	100
PID 3692 wrote to memory of 1988	3692	wlanext.exe	100

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3436
- C:\Users\Admin\AppData\Local\Temp\Project 88399287990.exe
  "C:\Users\Admin\AppData\Local\Temp\Project 88399287990.exe"
  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:3836
- - 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\Project 88399287990.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3676
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gIujDCSIo" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1301.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3348
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\gIujDCSIo.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3232
- - C:\Users\Admin\AppData\Local\Temp\Project 88399287990.exe
    "C:\Users\Admin\AppData\Local\Temp\Project 88399287990.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:372
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:3872
- 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:3692
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\Project 88399287990.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1988

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
ecc9be98ce67f9854333bfc9b1122a98

SHA1
3c24d0d8b54f3872ef0f3e4be9433c3313d87431

SHA256
6111dd7efd438620f646fe0b58f95007daed05dbefe811d2bc504cc19123cd56

SHA512
4a886e7a094f17d49bf4e416625aee3c272feebde5656711b50af1755299d03dae74d16154408f71fb6dbb7befe0845e9503a27ade284dc66fcfc46aaf94fb3f

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1kv4zwyt.5ew.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1301.tmp

Filesize
1KB

MD5
b572672d695ff383df8a270a449b6ff4

SHA1
59bd49755765a96dcc66d0dd67f1fd69debfb1bf

SHA256
8501ca411e1da73451e4773ed664701bda554ce85b53c853b16161932040f06a

SHA512
50e1bd11070adc0bf2662618489313f1a80213b34867e0f941b6c0cc50ac8979dc5b0f7623077cb4d7713215f5b2cf869677ce3e7b0c226f6773b86faee68c5c

Download Submit
memory/372-42-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/372-93-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/372-31-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/372-40-0x0000000001940000-0x0000000001C8A000-memory.dmp

Filesize
3.3MB

Download
memory/372-43-0x0000000001DB0000-0x0000000001DC4000-memory.dmp

Filesize
80KB

Download
memory/3232-68-0x0000000075950000-0x000000007599C000-memory.dmp

Filesize
304KB

Download
memory/3232-79-0x0000000006FF0000-0x0000000006FFA000-memory.dmp

Filesize
40KB

Download
memory/3232-85-0x00000000072A0000-0x00000000072A8000-memory.dmp

Filesize
32KB

Download
memory/3232-80-0x0000000007200000-0x0000000007296000-memory.dmp

Filesize
600KB

Download
memory/3232-81-0x0000000007180000-0x0000000007191000-memory.dmp

Filesize
68KB

Download
memory/3232-83-0x00000000071C0000-0x00000000071D4000-memory.dmp

Filesize
80KB

Download
memory/3232-84-0x00000000072C0000-0x00000000072DA000-memory.dmp

Filesize
104KB

Download
memory/3436-44-0x0000000007320000-0x0000000007404000-memory.dmp

Filesize
912KB

Download
memory/3436-96-0x0000000007320000-0x0000000007404000-memory.dmp

Filesize
912KB

Download
memory/3676-17-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/3676-67-0x0000000007B90000-0x000000000820A000-memory.dmp

Filesize
6.5MB

Download
memory/3676-23-0x00000000051F0000-0x0000000005256000-memory.dmp

Filesize
408KB

Download
memory/3676-21-0x0000000005150000-0x0000000005172000-memory.dmp

Filesize
136KB

Download
memory/3676-30-0x0000000005B80000-0x0000000005ED4000-memory.dmp

Filesize
3.3MB

Download
memory/3676-20-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/3676-91-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/3676-38-0x0000000006200000-0x000000000621E000-memory.dmp

Filesize
120KB

Download
memory/3676-39-0x0000000006290000-0x00000000062DC000-memory.dmp

Filesize
304KB

Download
memory/3676-18-0x0000000005550000-0x0000000005B78000-memory.dmp

Filesize
6.2MB

Download
memory/3676-19-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/3676-82-0x0000000007770000-0x000000000777E000-memory.dmp

Filesize
56KB

Download
memory/3676-16-0x0000000002900000-0x0000000002936000-memory.dmp

Filesize
216KB

Download
memory/3676-55-0x0000000075950000-0x000000007599C000-memory.dmp

Filesize
304KB

Download
memory/3676-66-0x0000000007220000-0x00000000072C3000-memory.dmp

Filesize
652KB

Download
memory/3676-65-0x00000000067C0000-0x00000000067DE000-memory.dmp

Filesize
120KB

Download
memory/3676-54-0x00000000071E0000-0x0000000007212000-memory.dmp

Filesize
200KB

Download
memory/3676-24-0x0000000005260000-0x00000000052C6000-memory.dmp

Filesize
408KB

Download
memory/3676-78-0x0000000007540000-0x000000000755A000-memory.dmp

Filesize
104KB

Download
memory/3692-94-0x00000000000F0000-0x0000000000107000-memory.dmp

Filesize
92KB

Download
memory/3692-95-0x00000000000F0000-0x0000000000107000-memory.dmp

Filesize
92KB

Download
memory/3836-6-0x00000000053A0000-0x00000000053AA000-memory.dmp

Filesize
40KB

Download
memory/3836-8-0x0000000005540000-0x000000000554E000-memory.dmp

Filesize
56KB

Download
memory/3836-0-0x00000000750CE000-0x00000000750CF000-memory.dmp

Filesize
4KB

Download
memory/3836-7-0x0000000005560000-0x00000000055B6000-memory.dmp

Filesize
344KB

Download
memory/3836-11-0x0000000005980000-0x00000000059E2000-memory.dmp

Filesize
392KB

Download
memory/3836-5-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/3836-37-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/3836-4-0x0000000005460000-0x00000000054F2000-memory.dmp

Filesize
584KB

Download
memory/3836-3-0x0000000005A10000-0x0000000005FB4000-memory.dmp

Filesize
5.6MB

Download
memory/3836-2-0x00000000053C0000-0x000000000545C000-memory.dmp

Filesize
624KB

Download
memory/3836-9-0x00000000750CE000-0x00000000750CF000-memory.dmp

Filesize
4KB

Download
memory/3836-10-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/3836-1-0x0000000000930000-0x00000000009D2000-memory.dmp

Filesize
648KB

Download