formbook | 0aff2c6f129379862afc597336ecd2cb7e735d7163e7ed75098750e5679ad758

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-10-2024 13:00

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General

Target

z19novaordemdecomprapdf.exe
Size

580KB
MD5

90a694e0439016ad06acf7f18fd459dc
SHA1

3e32249a1109d2ed4dbb18fcf07c89f1f48b136b
SHA256

0aff2c6f129379862afc597336ecd2cb7e735d7163e7ed75098750e5679ad758
SHA512

c3cb4d506550ff3b24580c59e3d0a2c8d61b09aee72b04a41a926fc1dac7ee95d2647ff3d9552debdf590f655afade38b685ddbf6d52f2ae83030c313fef042d
SSDEEP

12288:Rkf0j2LkrPMx6TSEr4DONu9t+5zStgeXw6RubjMCO1wC:Rkl2q6TJ4DnuzSaTbjMCm

Score

10^/10

formbook gy15 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

gy15

Decoy

hairsdeals.today

acob-saaad.buzz

9955.club

gild6222.vip

nline-shopping-56055.bond

lmadulles.top

utemodels.info

ighdd4675.online

nqqkk146.xyz

avasales.online

ortas-de-madeira.today

haad.xyz

races-dental-splints-15439.bond

hilohcreekpemf.online

rrivalgetaways.info

orktoday-2507-02-sap.click

eceriyayinlari.xyz

lsurfer.click

aston-saaae.buzz

etrot.pro

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/3252-23-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3252-39-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1372-75-0x00000000007B0000-0x00000000007DF000-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
2108	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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	z19novaordemdecomprapdf.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 688 set thread context of 3252	688	z19novaordemdecomprapdf.exe	88
PID 3252 set thread context of 3512	3252	RegSvcs.exe	56
PID 1372 set thread context of 3512	1372	cmstp.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 5 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	z19novaordemdecomprapdf.exe
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	cmstp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
232	schtasks.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
688	z19novaordemdecomprapdf.exe
688	z19novaordemdecomprapdf.exe
3252	RegSvcs.exe
3252	RegSvcs.exe
2108	powershell.exe
3252	RegSvcs.exe
3252	RegSvcs.exe
2108	powershell.exe
1372	cmstp.exe
1372	cmstp.exe
1372	cmstp.exe
1372	cmstp.exe
1372	cmstp.exe
1372	cmstp.exe
1372	cmstp.exe
1372	cmstp.exe
1372	cmstp.exe
1372	cmstp.exe
1372	cmstp.exe
1372	cmstp.exe
1372	cmstp.exe
1372	cmstp.exe
1372	cmstp.exe
1372	cmstp.exe
1372	cmstp.exe
1372	cmstp.exe
1372	cmstp.exe
1372	cmstp.exe
1372	cmstp.exe
1372	cmstp.exe
1372	cmstp.exe
1372	cmstp.exe
1372	cmstp.exe
1372	cmstp.exe
1372	cmstp.exe
1372	cmstp.exe
1372	cmstp.exe
1372	cmstp.exe
1372	cmstp.exe
1372	cmstp.exe
1372	cmstp.exe
1372	cmstp.exe
1372	cmstp.exe
1372	cmstp.exe
1372	cmstp.exe
1372	cmstp.exe
1372	cmstp.exe
1372	cmstp.exe
1372	cmstp.exe
1372	cmstp.exe
1372	cmstp.exe
1372	cmstp.exe
1372	cmstp.exe
1372	cmstp.exe
1372	cmstp.exe
1372	cmstp.exe
1372	cmstp.exe
1372	cmstp.exe
1372	cmstp.exe
1372	cmstp.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
3252	RegSvcs.exe
3252	RegSvcs.exe
3252	RegSvcs.exe
1372	cmstp.exe
1372	cmstp.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	688	z19novaordemdecomprapdf.exe
Token: SeDebugPrivilege	2108	powershell.exe
Token: SeDebugPrivilege	3252	RegSvcs.exe
Token: SeDebugPrivilege	1372	cmstp.exe
Token: SeShutdownPrivilege	3512	Explorer.EXE
Token: SeCreatePagefilePrivilege	3512	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 688 wrote to memory of 2108	688	z19novaordemdecomprapdf.exe	84
PID 688 wrote to memory of 2108	688	z19novaordemdecomprapdf.exe	84
PID 688 wrote to memory of 2108	688	z19novaordemdecomprapdf.exe	84
PID 688 wrote to memory of 232	688	z19novaordemdecomprapdf.exe	86
PID 688 wrote to memory of 232	688	z19novaordemdecomprapdf.exe	86
PID 688 wrote to memory of 232	688	z19novaordemdecomprapdf.exe	86
PID 688 wrote to memory of 3252	688	z19novaordemdecomprapdf.exe	88
PID 688 wrote to memory of 3252	688	z19novaordemdecomprapdf.exe	88
PID 688 wrote to memory of 3252	688	z19novaordemdecomprapdf.exe	88
PID 688 wrote to memory of 3252	688	z19novaordemdecomprapdf.exe	88
PID 688 wrote to memory of 3252	688	z19novaordemdecomprapdf.exe	88
PID 688 wrote to memory of 3252	688	z19novaordemdecomprapdf.exe	88
PID 3512 wrote to memory of 1372	3512	Explorer.EXE	89
PID 3512 wrote to memory of 1372	3512	Explorer.EXE	89
PID 3512 wrote to memory of 1372	3512	Explorer.EXE	89
PID 1372 wrote to memory of 1516	1372	cmstp.exe	90
PID 1372 wrote to memory of 1516	1372	cmstp.exe	90
PID 1372 wrote to memory of 1516	1372	cmstp.exe	90

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3512
- C:\Users\Admin\AppData\Local\Temp\z19novaordemdecomprapdf.exe
  "C:\Users\Admin\AppData\Local\Temp\z19novaordemdecomprapdf.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:688
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BrQcjBBjY.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2108
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BrQcjBBjY" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC94B.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:232
- - 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:3252
- C:\Windows\SysWOW64\cmstp.exe
  "C:\Windows\SysWOW64\cmstp.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:1372
- - 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:1516

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_uiyoogkk.1ao.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC94B.tmp

Filesize
1KB

MD5
e2a7eb18c2fc4c7dd425c321ee5968d2

SHA1
cf9d9a5d3797a48f3397ab19831b63134a71fa7a

SHA256
0719081ddfdd87d2e5894c47d03a5142468d60f8c6e22dead0c0f3ad81da9f1f

SHA512
9980a837c6a00b667759990861078a8ca214449db7aa88e7c049eae0ed8a86db82210b94e0107a77aad8116cabed282860630b8e1f6d4ededcd31487c51deedf

Download Submit
memory/688-6-0x0000000005390000-0x00000000053A8000-memory.dmp

Filesize
96KB

Download
memory/688-3-0x0000000005010000-0x00000000050A2000-memory.dmp

Filesize
584KB

Download
memory/688-4-0x0000000074450000-0x0000000074C00000-memory.dmp

Filesize
7.7MB

Download
memory/688-5-0x0000000005000000-0x000000000500A000-memory.dmp

Filesize
40KB

Download
memory/688-2-0x0000000005520000-0x0000000005AC4000-memory.dmp

Filesize
5.6MB

Download
memory/688-7-0x000000007445E000-0x000000007445F000-memory.dmp

Filesize
4KB

Download
memory/688-8-0x0000000074450000-0x0000000074C00000-memory.dmp

Filesize
7.7MB

Download
memory/688-9-0x00000000062D0000-0x0000000006346000-memory.dmp

Filesize
472KB

Download
memory/688-10-0x0000000008B60000-0x0000000008BFC000-memory.dmp

Filesize
624KB

Download
memory/688-0-0x000000007445E000-0x000000007445F000-memory.dmp

Filesize
4KB

Download
memory/688-41-0x0000000074450000-0x0000000074C00000-memory.dmp

Filesize
7.7MB

Download
memory/688-1-0x0000000000590000-0x0000000000628000-memory.dmp

Filesize
608KB

Download
memory/1372-63-0x0000000000DB0000-0x0000000000DC6000-memory.dmp

Filesize
88KB

Download
memory/1372-61-0x0000000000DB0000-0x0000000000DC6000-memory.dmp

Filesize
88KB

Download
memory/1372-75-0x00000000007B0000-0x00000000007DF000-memory.dmp

Filesize
188KB

Download
memory/2108-65-0x0000000074450000-0x0000000074C00000-memory.dmp

Filesize
7.7MB

Download
memory/2108-68-0x00000000077D0000-0x00000000077E1000-memory.dmp

Filesize
68KB

Download
memory/2108-20-0x00000000052E0000-0x0000000005302000-memory.dmp

Filesize
136KB

Download
memory/2108-58-0x00000000074A0000-0x0000000007543000-memory.dmp

Filesize
652KB

Download
memory/2108-59-0x0000000007C20000-0x000000000829A000-memory.dmp

Filesize
6.5MB

Download
memory/2108-74-0x0000000074450000-0x0000000074C00000-memory.dmp

Filesize
7.7MB

Download
memory/2108-72-0x00000000078F0000-0x00000000078F8000-memory.dmp

Filesize
32KB

Download
memory/2108-71-0x0000000007910000-0x000000000792A000-memory.dmp

Filesize
104KB

Download
memory/2108-18-0x0000000074450000-0x0000000074C00000-memory.dmp

Filesize
7.7MB

Download
memory/2108-28-0x0000000005B80000-0x0000000005ED4000-memory.dmp

Filesize
3.3MB

Download
memory/2108-16-0x0000000074450000-0x0000000074C00000-memory.dmp

Filesize
7.7MB

Download
memory/2108-42-0x00000000062A0000-0x00000000062BE000-memory.dmp

Filesize
120KB

Download
memory/2108-43-0x0000000006350000-0x000000000639C000-memory.dmp

Filesize
304KB

Download
memory/2108-44-0x000000007F220000-0x000000007F230000-memory.dmp

Filesize
64KB

Download
memory/2108-45-0x0000000007260000-0x0000000007292000-memory.dmp

Filesize
200KB

Download
memory/2108-46-0x0000000074CE0000-0x0000000074D2C000-memory.dmp

Filesize
304KB

Download
memory/2108-52-0x0000000002A30000-0x0000000002A40000-memory.dmp

Filesize
64KB

Download
memory/2108-57-0x0000000006860000-0x000000000687E000-memory.dmp

Filesize
120KB

Download
memory/2108-24-0x0000000074450000-0x0000000074C00000-memory.dmp

Filesize
7.7MB

Download
memory/2108-70-0x0000000007810000-0x0000000007824000-memory.dmp

Filesize
80KB

Download
memory/2108-22-0x0000000005A90000-0x0000000005AF6000-memory.dmp

Filesize
408KB

Download
memory/2108-60-0x00000000075D0000-0x00000000075EA000-memory.dmp

Filesize
104KB

Download
memory/2108-15-0x00000000029B0000-0x00000000029E6000-memory.dmp

Filesize
216KB

Download
memory/2108-62-0x0000000007640000-0x000000000764A000-memory.dmp

Filesize
40KB

Download
memory/2108-64-0x0000000074450000-0x0000000074C00000-memory.dmp

Filesize
7.7MB

Download
memory/2108-17-0x0000000005460000-0x0000000005A88000-memory.dmp

Filesize
6.2MB

Download
memory/2108-66-0x0000000074450000-0x0000000074C00000-memory.dmp

Filesize
7.7MB

Download
memory/2108-67-0x0000000007850000-0x00000000078E6000-memory.dmp

Filesize
600KB

Download
memory/2108-21-0x0000000005380000-0x00000000053E6000-memory.dmp

Filesize
408KB

Download
memory/2108-69-0x0000000007800000-0x000000000780E000-memory.dmp

Filesize
56KB

Download
memory/3252-39-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3252-40-0x0000000001200000-0x0000000001214000-memory.dmp

Filesize
80KB

Download
memory/3252-23-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3252-26-0x00000000016A0000-0x00000000019EA000-memory.dmp

Filesize
3.3MB

Download
memory/3512-76-0x00000000025F0000-0x00000000026D3000-memory.dmp

Filesize
908KB

Download
memory/3512-38-0x00000000025F0000-0x00000000026D3000-memory.dmp

Filesize
908KB

Download
memory/3512-81-0x0000000007E70000-0x0000000007F16000-memory.dmp

Filesize
664KB

Download