formbook | 78e8787616a4d7be2eb5c127e75e3326de2c3e2dbf2a2533163f9594c0214b16

Analysis

max time kernel
149s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
04-02-2025 14:14

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Payment Copy88382pdf.exe
Size

686KB
MD5

dc33f885728b308c7159ffd95a728331
SHA1

45ee3cf5a16ed7770a9e78bc2d09294128a38e6c
SHA256

78e8787616a4d7be2eb5c127e75e3326de2c3e2dbf2a2533163f9594c0214b16
SHA512

929e020d609a8e3d065df62f978cf787a60e63629d6d28eaf287a2f1b3b1e30c4ffb67ac509d26e32623087c3a4665f46067e0c1f36423d922f5d64a49779910
SSDEEP

12288:5RYpw+u2yCIxGFvNUuqjL8nk3iS7bbRVXMGeUbE0X2tpXEe2nBeZ5O6suWb3L/KF:Q91IQNNUbonqnTX9eUA0XAUeiE2

Score

10^/10

formbook b02a discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

b02a

Decoy

nnovate.host

yrvo.shop

obify.party

55665.one

vlisazouasiul.store

arjohbs.shop

mjsccc5716.shop

nfluencer-marketing-86606.bond

atellite-internet-74549.bond

arehouse-inventory-82506.bond

kanzaturf.net

airbypatrickmcguire.net

90880a15.buzz

ancake888.info

hopcroma.store

usinessloanscanada524285.icu

mdjr.world

9kct.xyz

ombrd.finance

luratu.xyz

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Formbook family
formbook

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral2/memory/4472-47-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1176-92-0x0000000000B60000-0x0000000000B8F000-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
4548	powershell.exe
4700	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-1-5-21-70482961-775596374-3727440602-1000\Control Panel\International\Geo\Nation	Payment Copy88382pdf.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 468 set thread context of 4472	468	Payment Copy88382pdf.exe	97
PID 4472 set thread context of 3472	4472	RegSvcs.exe	56
PID 1176 set thread context of 3472	1176	help.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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	help.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Payment Copy88382pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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
3176	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
468	Payment Copy88382pdf.exe
4700	powershell.exe
4548	powershell.exe
4700	powershell.exe
468	Payment Copy88382pdf.exe
468	Payment Copy88382pdf.exe
468	Payment Copy88382pdf.exe
468	Payment Copy88382pdf.exe
468	Payment Copy88382pdf.exe
4472	RegSvcs.exe
4472	RegSvcs.exe
4472	RegSvcs.exe
4472	RegSvcs.exe
4548	powershell.exe
1176	help.exe
1176	help.exe
1176	help.exe
1176	help.exe
1176	help.exe
1176	help.exe
1176	help.exe
1176	help.exe
1176	help.exe
1176	help.exe
1176	help.exe
1176	help.exe
1176	help.exe
1176	help.exe
1176	help.exe
1176	help.exe
1176	help.exe
1176	help.exe
1176	help.exe
1176	help.exe
1176	help.exe
1176	help.exe
1176	help.exe
1176	help.exe
1176	help.exe
1176	help.exe
1176	help.exe
1176	help.exe
1176	help.exe
1176	help.exe
1176	help.exe
1176	help.exe
1176	help.exe
1176	help.exe
1176	help.exe
1176	help.exe
1176	help.exe
1176	help.exe
1176	help.exe
1176	help.exe
1176	help.exe
1176	help.exe
1176	help.exe
1176	help.exe
1176	help.exe
1176	help.exe
1176	help.exe
1176	help.exe
1176	help.exe
1176	help.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
4472	RegSvcs.exe
4472	RegSvcs.exe
4472	RegSvcs.exe
1176	help.exe
1176	help.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	468	Payment Copy88382pdf.exe
Token: SeDebugPrivilege	4548	powershell.exe
Token: SeDebugPrivilege	4700	powershell.exe
Token: SeDebugPrivilege	4472	RegSvcs.exe
Token: SeDebugPrivilege	1176	help.exe
Token: SeShutdownPrivilege	3472	Explorer.EXE
Token: SeCreatePagefilePrivilege	3472	Explorer.EXE
Token: SeShutdownPrivilege	3472	Explorer.EXE
Token: SeCreatePagefilePrivilege	3472	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3472	Explorer.EXE

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 468 wrote to memory of 4548	468	Payment Copy88382pdf.exe	89
PID 468 wrote to memory of 4548	468	Payment Copy88382pdf.exe	89
PID 468 wrote to memory of 4548	468	Payment Copy88382pdf.exe	89
PID 468 wrote to memory of 4700	468	Payment Copy88382pdf.exe	91
PID 468 wrote to memory of 4700	468	Payment Copy88382pdf.exe	91
PID 468 wrote to memory of 4700	468	Payment Copy88382pdf.exe	91
PID 468 wrote to memory of 3176	468	Payment Copy88382pdf.exe	93
PID 468 wrote to memory of 3176	468	Payment Copy88382pdf.exe	93
PID 468 wrote to memory of 3176	468	Payment Copy88382pdf.exe	93
PID 468 wrote to memory of 4324	468	Payment Copy88382pdf.exe	95
PID 468 wrote to memory of 4324	468	Payment Copy88382pdf.exe	95
PID 468 wrote to memory of 4324	468	Payment Copy88382pdf.exe	95
PID 468 wrote to memory of 1964	468	Payment Copy88382pdf.exe	96
PID 468 wrote to memory of 1964	468	Payment Copy88382pdf.exe	96
PID 468 wrote to memory of 1964	468	Payment Copy88382pdf.exe	96
PID 468 wrote to memory of 4472	468	Payment Copy88382pdf.exe	97
PID 468 wrote to memory of 4472	468	Payment Copy88382pdf.exe	97
PID 468 wrote to memory of 4472	468	Payment Copy88382pdf.exe	97
PID 468 wrote to memory of 4472	468	Payment Copy88382pdf.exe	97
PID 468 wrote to memory of 4472	468	Payment Copy88382pdf.exe	97
PID 468 wrote to memory of 4472	468	Payment Copy88382pdf.exe	97
PID 3472 wrote to memory of 1176	3472	Explorer.EXE	98
PID 3472 wrote to memory of 1176	3472	Explorer.EXE	98
PID 3472 wrote to memory of 1176	3472	Explorer.EXE	98
PID 1176 wrote to memory of 3700	1176	help.exe	99
PID 1176 wrote to memory of 3700	1176	help.exe	99
PID 1176 wrote to memory of 3700	1176	help.exe	99

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3472
- C:\Users\Admin\AppData\Local\Temp\Payment Copy88382pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\Payment Copy88382pdf.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:468
- - 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\Payment Copy88382pdf.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4548
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\CeKWKoi.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4700
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CeKWKoi" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE4E2.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3176
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:4324
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:1964
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4472
- C:\Windows\SysWOW64\help.exe
  "C:\Windows\SysWOW64\help.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:1176
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3700

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
2KB

MD5
3d086a433708053f9bf9523e1d87a4e8

SHA1
b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

SHA256
6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

SHA512
931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

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

Filesize
18KB

MD5
94529037a7e7b8e2bfab8e24020a5fb2

SHA1
e26b3a53359c31630de8fc5a678cd096ad66c16a

SHA256
fd0f6c5ca7e19046389d40a0172f385d03b6c068d1f362ff95b41d97f04b9237

SHA512
4a6f13a786f4bd88149c3a5f81a9d7a51ed292332878b326ad32914566eecdc4ca60517f8171164a4e3c13bd9295d19c043fdaf6bfc269f616c275e691dae1b1

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_yvuvzjhz.524.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpE4E2.tmp

Filesize
1KB

MD5
579f8052adecd01f12fde92f88a3f6e8

SHA1
90f16b23ae65d20fda67e2375b4fe92880bf513c

SHA256
8b1abfe997f5a53737ab9465f7ed2ab581ade5a32d6886ed24ac08eae0b730d0

SHA512
439aaa8a35cf984fdcd7c3896c6871b8682f1539cf85c4a5dbfab4e9d09ec1059f44615c8d5b640eb4faca6355262c6b1a03f0b7073c5743daf1a1b26def9284

Download Submit
memory/468-5-0x0000000005890000-0x000000000592C000-memory.dmp

Filesize
624KB

Download
memory/468-0-0x000000007446E000-0x000000007446F000-memory.dmp

Filesize
4KB

Download
memory/468-4-0x00000000057C0000-0x00000000057CA000-memory.dmp

Filesize
40KB

Download
memory/468-6-0x0000000074460000-0x0000000074C10000-memory.dmp

Filesize
7.7MB

Download
memory/468-3-0x00000000055F0000-0x0000000005682000-memory.dmp

Filesize
584KB

Download
memory/468-7-0x0000000006870000-0x0000000006912000-memory.dmp

Filesize
648KB

Download
memory/468-8-0x0000000006950000-0x000000000696E000-memory.dmp

Filesize
120KB

Download
memory/468-9-0x000000007446E000-0x000000007446F000-memory.dmp

Filesize
4KB

Download
memory/468-10-0x0000000074460000-0x0000000074C10000-memory.dmp

Filesize
7.7MB

Download
memory/468-11-0x0000000006FA0000-0x0000000007018000-memory.dmp

Filesize
480KB

Download
memory/468-50-0x0000000074460000-0x0000000074C10000-memory.dmp

Filesize
7.7MB

Download
memory/468-1-0x0000000000BB0000-0x0000000000C62000-memory.dmp

Filesize
712KB

Download
memory/468-2-0x0000000005AC0000-0x0000000006064000-memory.dmp

Filesize
5.6MB

Download
memory/1176-81-0x00000000004E0000-0x00000000004E7000-memory.dmp

Filesize
28KB

Download
memory/1176-92-0x0000000000B60000-0x0000000000B8F000-memory.dmp

Filesize
188KB

Download
memory/3472-95-0x0000000008B50000-0x0000000008C49000-memory.dmp

Filesize
996KB

Download
memory/4472-47-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4548-35-0x0000000005F90000-0x00000000062E4000-memory.dmp

Filesize
3.3MB

Download
memory/4548-19-0x0000000074460000-0x0000000074C10000-memory.dmp

Filesize
7.7MB

Download
memory/4548-91-0x0000000074460000-0x0000000074C10000-memory.dmp

Filesize
7.7MB

Download
memory/4548-16-0x0000000002C10000-0x0000000002C46000-memory.dmp

Filesize
216KB

Download
memory/4548-17-0x0000000005740000-0x0000000005D68000-memory.dmp

Filesize
6.2MB

Download
memory/4548-69-0x0000000007520000-0x000000000753E000-memory.dmp

Filesize
120KB

Download
memory/4548-82-0x0000000007AD0000-0x0000000007AE4000-memory.dmp

Filesize
80KB

Download
memory/4548-52-0x00000000074E0000-0x0000000007512000-memory.dmp

Filesize
200KB

Download
memory/4548-53-0x000000006F9C0000-0x000000006FA0C000-memory.dmp

Filesize
304KB

Download
memory/4548-18-0x0000000074460000-0x0000000074C10000-memory.dmp

Filesize
7.7MB

Download
memory/4548-80-0x0000000007AC0000-0x0000000007ACE000-memory.dmp

Filesize
56KB

Download
memory/4548-76-0x0000000007890000-0x00000000078AA000-memory.dmp

Filesize
104KB

Download
memory/4700-28-0x0000000005920000-0x0000000005986000-memory.dmp

Filesize
408KB

Download
memory/4700-74-0x0000000007190000-0x0000000007233000-memory.dmp

Filesize
652KB

Download
memory/4700-75-0x0000000007B00000-0x000000000817A000-memory.dmp

Filesize
6.5MB

Download
memory/4700-77-0x0000000007530000-0x000000000753A000-memory.dmp

Filesize
40KB

Download
memory/4700-78-0x0000000007740000-0x00000000077D6000-memory.dmp

Filesize
600KB

Download
memory/4700-79-0x00000000076C0000-0x00000000076D1000-memory.dmp

Filesize
68KB

Download
memory/4700-59-0x000000006F9C0000-0x000000006FA0C000-memory.dmp

Filesize
304KB

Download
memory/4700-48-0x0000000006270000-0x00000000062BC000-memory.dmp

Filesize
304KB

Download
memory/4700-46-0x0000000006190000-0x00000000061AE000-memory.dmp

Filesize
120KB

Download
memory/4700-83-0x0000000007800000-0x000000000781A000-memory.dmp

Filesize
104KB

Download
memory/4700-84-0x00000000077E0000-0x00000000077E8000-memory.dmp

Filesize
32KB

Download
memory/4700-87-0x0000000074460000-0x0000000074C10000-memory.dmp

Filesize
7.7MB

Download
memory/4700-34-0x0000000074460000-0x0000000074C10000-memory.dmp

Filesize
7.7MB

Download
memory/4700-36-0x0000000074460000-0x0000000074C10000-memory.dmp

Filesize
7.7MB

Download
memory/4700-29-0x0000000005A80000-0x0000000005AE6000-memory.dmp

Filesize
408KB

Download
memory/4700-21-0x0000000005200000-0x0000000005222000-memory.dmp

Filesize
136KB

Download
memory/4700-20-0x0000000074460000-0x0000000074C10000-memory.dmp

Filesize
7.7MB

Download