formbook | 6036a28c74493ce0e6d87a468959a047011d2e6cf63807d9a3d154b8642d7e65

Analysis

max time kernel
149s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20250410-en
resource tags

arch:x64arch:x86image:win10v2004-20250410-enlocale:en-usos:windows10-2004-x64system
submitted
16/04/2025, 13:43

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General

Target

4zASnGa4OgB4N7r.exe
Size

649KB
MD5

f1aafe1fa887b90aa7f08674eb68e4f1
SHA1

a9564877424e164fc1c1653f6fe54eba40b6ce8e
SHA256

6036a28c74493ce0e6d87a468959a047011d2e6cf63807d9a3d154b8642d7e65
SHA512

a2822e11abec9945101b3d69e6990ab4428d1bb8768faf17771a2af7c70cca258ca5d6cadbb623b35297edc5ce97830c19c9b8b6385609a975216d8860daf005
SSDEEP

12288:iHf2ThrfQJzs2F8yIoblebQlWDXS0cyy7nNbDC3yUTMWCFSzgg6CTkR:AfKhrf0sXGes303ONbG3xTyUgDf

Score

10^/10

formbook hi13 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

hi13

Decoy

olidspot.shop

aise-your-voice.sbs

9ydygorig3l7z.xyz

netuzio.xyz

erspacehealthandwellness.info

hbnzk.cfd

uklor.shop

tudiofoti.pro

onety.skin

iralavinc.online

teelpath.shop

w-yudfjp.shop

betka.xyz

lx2cbhe5vee0e1.xyz

ndotoverf.pro

loud-sevice.click

enckubs.shop

anpack.shop

nity-3d-development.dev

iaolento12.sbs

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
behavioral1/memory/4824-33-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/4440-92-0x0000000001080000-0x00000000010AF000-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
4052	powershell.exe
2928	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-1-5-21-3630502724-2561614198-3854231964-1000\Control Panel\International\Geo\Nation	4zASnGa4OgB4N7r.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4376 set thread context of 4824	4376	4zASnGa4OgB4N7r.exe	96
PID 4824 set thread context of 3528	4824	vbc.exe	56
PID 4440 set thread context of 3528	4440	NETSTAT.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	NETSTAT.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4zASnGa4OgB4N7r.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
4440	NETSTAT.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
4852	schtasks.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
4376	4zASnGa4OgB4N7r.exe
4052	powershell.exe
2928	powershell.exe
4376	4zASnGa4OgB4N7r.exe
4824	vbc.exe
4824	vbc.exe
4824	vbc.exe
4824	vbc.exe
4052	powershell.exe
2928	powershell.exe
4440	NETSTAT.EXE
4440	NETSTAT.EXE
4440	NETSTAT.EXE
4440	NETSTAT.EXE
4440	NETSTAT.EXE
4440	NETSTAT.EXE
4440	NETSTAT.EXE
4440	NETSTAT.EXE
4440	NETSTAT.EXE
4440	NETSTAT.EXE
4440	NETSTAT.EXE
4440	NETSTAT.EXE
4440	NETSTAT.EXE
4440	NETSTAT.EXE
4440	NETSTAT.EXE
4440	NETSTAT.EXE
4440	NETSTAT.EXE
4440	NETSTAT.EXE
4440	NETSTAT.EXE
4440	NETSTAT.EXE
4440	NETSTAT.EXE
4440	NETSTAT.EXE
4440	NETSTAT.EXE
4440	NETSTAT.EXE
4440	NETSTAT.EXE
4440	NETSTAT.EXE
4440	NETSTAT.EXE
4440	NETSTAT.EXE
4440	NETSTAT.EXE
4440	NETSTAT.EXE
4440	NETSTAT.EXE
4440	NETSTAT.EXE
4440	NETSTAT.EXE
4440	NETSTAT.EXE
4440	NETSTAT.EXE
4440	NETSTAT.EXE
4440	NETSTAT.EXE
4440	NETSTAT.EXE
4440	NETSTAT.EXE
4440	NETSTAT.EXE
4440	NETSTAT.EXE
4440	NETSTAT.EXE
4440	NETSTAT.EXE
4440	NETSTAT.EXE
4440	NETSTAT.EXE
4440	NETSTAT.EXE
4440	NETSTAT.EXE
4440	NETSTAT.EXE
4440	NETSTAT.EXE
4440	NETSTAT.EXE
4440	NETSTAT.EXE
4440	NETSTAT.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3528	Explorer.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
4824	vbc.exe
4824	vbc.exe
4824	vbc.exe
4440	NETSTAT.EXE
4440	NETSTAT.EXE

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	4376	4zASnGa4OgB4N7r.exe
Token: SeDebugPrivilege	4052	powershell.exe
Token: SeDebugPrivilege	2928	powershell.exe
Token: SeDebugPrivilege	4824	vbc.exe
Token: SeDebugPrivilege	4440	NETSTAT.EXE
Token: SeShutdownPrivilege	3528	Explorer.EXE
Token: SeCreatePagefilePrivilege	3528	Explorer.EXE
Token: SeShutdownPrivilege	3528	Explorer.EXE
Token: SeCreatePagefilePrivilege	3528	Explorer.EXE

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4376 wrote to memory of 4052	4376	4zASnGa4OgB4N7r.exe	90
PID 4376 wrote to memory of 4052	4376	4zASnGa4OgB4N7r.exe	90
PID 4376 wrote to memory of 4052	4376	4zASnGa4OgB4N7r.exe	90
PID 4376 wrote to memory of 2928	4376	4zASnGa4OgB4N7r.exe	92
PID 4376 wrote to memory of 2928	4376	4zASnGa4OgB4N7r.exe	92
PID 4376 wrote to memory of 2928	4376	4zASnGa4OgB4N7r.exe	92
PID 4376 wrote to memory of 4852	4376	4zASnGa4OgB4N7r.exe	94
PID 4376 wrote to memory of 4852	4376	4zASnGa4OgB4N7r.exe	94
PID 4376 wrote to memory of 4852	4376	4zASnGa4OgB4N7r.exe	94
PID 4376 wrote to memory of 4824	4376	4zASnGa4OgB4N7r.exe	96
PID 4376 wrote to memory of 4824	4376	4zASnGa4OgB4N7r.exe	96
PID 4376 wrote to memory of 4824	4376	4zASnGa4OgB4N7r.exe	96
PID 4376 wrote to memory of 4824	4376	4zASnGa4OgB4N7r.exe	96
PID 4376 wrote to memory of 4824	4376	4zASnGa4OgB4N7r.exe	96
PID 4376 wrote to memory of 4824	4376	4zASnGa4OgB4N7r.exe	96
PID 3528 wrote to memory of 4440	3528	Explorer.EXE	97
PID 3528 wrote to memory of 4440	3528	Explorer.EXE	97
PID 3528 wrote to memory of 4440	3528	Explorer.EXE	97
PID 4440 wrote to memory of 4992	4440	NETSTAT.EXE	98
PID 4440 wrote to memory of 4992	4440	NETSTAT.EXE	98
PID 4440 wrote to memory of 4992	4440	NETSTAT.EXE	98

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3528
- C:\Users\Admin\AppData\Local\Temp\4zASnGa4OgB4N7r.exe
  "C:\Users\Admin\AppData\Local\Temp\4zASnGa4OgB4N7r.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:4376
- - 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\4zASnGa4OgB4N7r.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4052
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\adXoeH.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2928
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\adXoeH" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBFD5.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4852
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4824
- C:\Windows\SysWOW64\NETSTAT.EXE
  "C:\Windows\SysWOW64\NETSTAT.EXE"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Gathers network information
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4440
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4992

Network

MITRE ATT&CK Enterprise v16

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\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
857012075bd50a9c85c5a92ec8658393

SHA1
036a69f550d4002107b677488ad51121da829996

SHA256
80a037ec1f3a70bfbd68a28d428d3cdc2aed641a49e51c428b36590da79000ec

SHA512
c6cd7faa2b01d6062a138c7294d471eba1d738d4d24093751b2960b9b2d31d4a54b9aba628fa7a89dbce0ee9a673d5045004ca96a670b00acbe46fc0a7814452

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jyyacnsp.ffy.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpBFD5.tmp

Filesize
1KB

MD5
1326b29a1f3e246830816190c1fe497d

SHA1
e7347ebfd0d76230bf52e92b646d8b8346fc4e87

SHA256
08645d7ef25c071d53fbb80e3621f6f2ac63c8c8f986cbdb4de982824382256f

SHA512
d22a270ccd4cc8e8f79f30e2464e640fbfdbe2e5dcfea5e246a30f8f4a033439a23d084fee5cf8eddc0148990b5c3add159fdb7c498918e43f3131a0f325c40a

Download Submit
memory/2928-77-0x0000000007910000-0x000000000791A000-memory.dmp

Filesize
40KB

Download
memory/2928-52-0x00000000076F0000-0x0000000007722000-memory.dmp

Filesize
200KB

Download
memory/2928-83-0x0000000007BE0000-0x0000000007BFA000-memory.dmp

Filesize
104KB

Download
memory/2928-82-0x0000000007AE0000-0x0000000007AF4000-memory.dmp

Filesize
80KB

Download
memory/2928-81-0x0000000007AD0000-0x0000000007ADE000-memory.dmp

Filesize
56KB

Download
memory/2928-78-0x0000000007B20000-0x0000000007BB6000-memory.dmp

Filesize
600KB

Download
memory/2928-65-0x0000000007760000-0x0000000007803000-memory.dmp

Filesize
652KB

Download
memory/2928-76-0x00000000078A0000-0x00000000078BA000-memory.dmp

Filesize
104KB

Download
memory/2928-75-0x0000000007EE0000-0x000000000855A000-memory.dmp

Filesize
6.5MB

Download
memory/2928-84-0x0000000007BC0000-0x0000000007BC8000-memory.dmp

Filesize
32KB

Download
memory/2928-53-0x0000000075530000-0x000000007557C000-memory.dmp

Filesize
304KB

Download
memory/2928-63-0x0000000007730000-0x000000000774E000-memory.dmp

Filesize
120KB

Download
memory/2928-20-0x0000000074CA0000-0x0000000075450000-memory.dmp

Filesize
7.7MB

Download
memory/2928-90-0x0000000074CA0000-0x0000000075450000-memory.dmp

Filesize
7.7MB

Download
memory/2928-21-0x0000000074CA0000-0x0000000075450000-memory.dmp

Filesize
7.7MB

Download
memory/2928-23-0x0000000074CA0000-0x0000000075450000-memory.dmp

Filesize
7.7MB

Download
memory/3528-94-0x0000000008560000-0x0000000008616000-memory.dmp

Filesize
728KB

Download
memory/4052-16-0x0000000074CA0000-0x0000000075450000-memory.dmp

Filesize
7.7MB

Download
memory/4052-15-0x0000000002640000-0x0000000002676000-memory.dmp

Filesize
216KB

Download
memory/4052-91-0x0000000074CA0000-0x0000000075450000-memory.dmp

Filesize
7.7MB

Download
memory/4052-34-0x0000000005A60000-0x0000000005DB4000-memory.dmp

Filesize
3.3MB

Download
memory/4052-29-0x0000000005170000-0x0000000005192000-memory.dmp

Filesize
136KB

Download
memory/4052-80-0x0000000007450000-0x0000000007461000-memory.dmp

Filesize
68KB

Download
memory/4052-51-0x0000000005FB0000-0x0000000005FFC000-memory.dmp

Filesize
304KB

Download
memory/4052-50-0x0000000005F20000-0x0000000005F3E000-memory.dmp

Filesize
120KB

Download
memory/4052-30-0x0000000005980000-0x00000000059E6000-memory.dmp

Filesize
408KB

Download
memory/4052-64-0x0000000075530000-0x000000007557C000-memory.dmp

Filesize
304KB

Download
memory/4052-19-0x0000000074CA0000-0x0000000075450000-memory.dmp

Filesize
7.7MB

Download
memory/4052-17-0x0000000074CA0000-0x0000000075450000-memory.dmp

Filesize
7.7MB

Download
memory/4052-18-0x00000000052E0000-0x0000000005908000-memory.dmp

Filesize
6.2MB

Download
memory/4052-31-0x00000000059F0000-0x0000000005A56000-memory.dmp

Filesize
408KB

Download
memory/4376-10-0x00000000069C0000-0x0000000006A38000-memory.dmp

Filesize
480KB

Download
memory/4376-5-0x00000000055E0000-0x00000000055EA000-memory.dmp

Filesize
40KB

Download
memory/4376-1-0x0000000000A80000-0x0000000000B26000-memory.dmp

Filesize
664KB

Download
memory/4376-9-0x0000000074CA0000-0x0000000075450000-memory.dmp

Filesize
7.7MB

Download
memory/4376-39-0x0000000074CA0000-0x0000000075450000-memory.dmp

Filesize
7.7MB

Download
memory/4376-8-0x0000000074CAE000-0x0000000074CAF000-memory.dmp

Filesize
4KB

Download
memory/4376-7-0x0000000005790000-0x00000000057A2000-memory.dmp

Filesize
72KB

Download
memory/4376-0-0x0000000074CAE000-0x0000000074CAF000-memory.dmp

Filesize
4KB

Download
memory/4376-6-0x0000000074CA0000-0x0000000075450000-memory.dmp

Filesize
7.7MB

Download
memory/4376-4-0x0000000005680000-0x000000000571C000-memory.dmp

Filesize
624KB

Download
memory/4376-2-0x0000000005B90000-0x0000000006134000-memory.dmp

Filesize
5.6MB

Download
memory/4376-3-0x0000000005500000-0x0000000005592000-memory.dmp

Filesize
584KB

Download
memory/4440-92-0x0000000001080000-0x00000000010AF000-memory.dmp

Filesize
188KB

Download
memory/4440-79-0x0000000000620000-0x000000000062B000-memory.dmp

Filesize
44KB

Download
memory/4824-33-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download