formbook | 74fb97d9d74ccad7bd3d375310eb20222261a0d224d5a77cda960490b4f48b04

Analysis

max time kernel
149s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20250410-en
resource tags

arch:x64arch:x86image:win11-20250410-enlocale:en-usos:windows11-21h2-x64system
submitted
16/04/2025, 14:13

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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
behavioral2/memory/5284-25-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/5316-89-0x0000000000530000-0x000000000055F000-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
464	powershell.exe
664	powershell.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 488 set thread context of 5284	488	4zASnGa4OgB4N7r.exe	85
PID 5284 set thread context of 3300	5284	vbc.exe	53
PID 5316 set thread context of 3300	5316	rundll32.exe	53

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	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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.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
2360	schtasks.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
488	4zASnGa4OgB4N7r.exe
464	powershell.exe
664	powershell.exe
488	4zASnGa4OgB4N7r.exe
5284	vbc.exe
5284	vbc.exe
5284	vbc.exe
5284	vbc.exe
464	powershell.exe
664	powershell.exe
5316	rundll32.exe
5316	rundll32.exe
5316	rundll32.exe
5316	rundll32.exe
5316	rundll32.exe
5316	rundll32.exe
5316	rundll32.exe
5316	rundll32.exe
5316	rundll32.exe
5316	rundll32.exe
5316	rundll32.exe
5316	rundll32.exe
5316	rundll32.exe
5316	rundll32.exe
5316	rundll32.exe
5316	rundll32.exe
5316	rundll32.exe
5316	rundll32.exe
5316	rundll32.exe
5316	rundll32.exe
5316	rundll32.exe
5316	rundll32.exe
5316	rundll32.exe
5316	rundll32.exe
5316	rundll32.exe
5316	rundll32.exe
5316	rundll32.exe
5316	rundll32.exe
5316	rundll32.exe
5316	rundll32.exe
5316	rundll32.exe
5316	rundll32.exe
5316	rundll32.exe
5316	rundll32.exe
5316	rundll32.exe
5316	rundll32.exe
5316	rundll32.exe
5316	rundll32.exe
5316	rundll32.exe
5316	rundll32.exe
5316	rundll32.exe
5316	rundll32.exe
5316	rundll32.exe
5316	rundll32.exe
5316	rundll32.exe
5316	rundll32.exe
5316	rundll32.exe
5316	rundll32.exe
5316	rundll32.exe
5316	rundll32.exe
5316	rundll32.exe
5316	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3300	Explorer.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
5284	vbc.exe
5284	vbc.exe
5284	vbc.exe
5316	rundll32.exe
5316	rundll32.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	488	4zASnGa4OgB4N7r.exe
Token: SeDebugPrivilege	464	powershell.exe
Token: SeDebugPrivilege	664	powershell.exe
Token: SeDebugPrivilege	5284	vbc.exe
Token: SeShutdownPrivilege	3300	Explorer.EXE
Token: SeCreatePagefilePrivilege	3300	Explorer.EXE
Token: SeShutdownPrivilege	3300	Explorer.EXE
Token: SeCreatePagefilePrivilege	3300	Explorer.EXE
Token: SeDebugPrivilege	5316	rundll32.exe
Token: SeShutdownPrivilege	3300	Explorer.EXE
Token: SeCreatePagefilePrivilege	3300	Explorer.EXE
Token: SeShutdownPrivilege	3300	Explorer.EXE
Token: SeCreatePagefilePrivilege	3300	Explorer.EXE
Token: SeShutdownPrivilege	3300	Explorer.EXE
Token: SeCreatePagefilePrivilege	3300	Explorer.EXE
Token: SeShutdownPrivilege	3300	Explorer.EXE
Token: SeCreatePagefilePrivilege	3300	Explorer.EXE
Token: SeShutdownPrivilege	3300	Explorer.EXE
Token: SeCreatePagefilePrivilege	3300	Explorer.EXE
Token: SeShutdownPrivilege	3300	Explorer.EXE
Token: SeCreatePagefilePrivilege	3300	Explorer.EXE
Token: SeShutdownPrivilege	3300	Explorer.EXE
Token: SeCreatePagefilePrivilege	3300	Explorer.EXE
Token: SeShutdownPrivilege	3300	Explorer.EXE
Token: SeCreatePagefilePrivilege	3300	Explorer.EXE
Token: SeShutdownPrivilege	3300	Explorer.EXE
Token: SeCreatePagefilePrivilege	3300	Explorer.EXE
Token: SeShutdownPrivilege	3300	Explorer.EXE
Token: SeCreatePagefilePrivilege	3300	Explorer.EXE
Token: SeShutdownPrivilege	3300	Explorer.EXE
Token: SeCreatePagefilePrivilege	3300	Explorer.EXE
Token: SeShutdownPrivilege	3300	Explorer.EXE
Token: SeCreatePagefilePrivilege	3300	Explorer.EXE
Token: SeShutdownPrivilege	3300	Explorer.EXE
Token: SeCreatePagefilePrivilege	3300	Explorer.EXE
Token: SeShutdownPrivilege	3300	Explorer.EXE
Token: SeCreatePagefilePrivilege	3300	Explorer.EXE
Token: SeShutdownPrivilege	3300	Explorer.EXE
Token: SeCreatePagefilePrivilege	3300	Explorer.EXE
Token: SeShutdownPrivilege	3300	Explorer.EXE
Token: SeCreatePagefilePrivilege	3300	Explorer.EXE
Token: SeShutdownPrivilege	3300	Explorer.EXE
Token: SeCreatePagefilePrivilege	3300	Explorer.EXE
Token: SeShutdownPrivilege	3300	Explorer.EXE
Token: SeCreatePagefilePrivilege	3300	Explorer.EXE
Token: SeShutdownPrivilege	3300	Explorer.EXE
Token: SeCreatePagefilePrivilege	3300	Explorer.EXE
Token: SeShutdownPrivilege	3300	Explorer.EXE
Token: SeCreatePagefilePrivilege	3300	Explorer.EXE
Token: SeShutdownPrivilege	3300	Explorer.EXE
Token: SeCreatePagefilePrivilege	3300	Explorer.EXE
Token: SeShutdownPrivilege	3300	Explorer.EXE
Token: SeCreatePagefilePrivilege	3300	Explorer.EXE
Token: SeShutdownPrivilege	3300	Explorer.EXE
Token: SeCreatePagefilePrivilege	3300	Explorer.EXE
Token: SeShutdownPrivilege	3300	Explorer.EXE
Token: SeCreatePagefilePrivilege	3300	Explorer.EXE
Token: SeShutdownPrivilege	3300	Explorer.EXE
Token: SeCreatePagefilePrivilege	3300	Explorer.EXE
Token: SeShutdownPrivilege	3300	Explorer.EXE
Token: SeCreatePagefilePrivilege	3300	Explorer.EXE
Token: SeShutdownPrivilege	3300	Explorer.EXE
Token: SeCreatePagefilePrivilege	3300	Explorer.EXE
Token: SeShutdownPrivilege	3300	Explorer.EXE

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 488 wrote to memory of 464	488	4zASnGa4OgB4N7r.exe	79
PID 488 wrote to memory of 464	488	4zASnGa4OgB4N7r.exe	79
PID 488 wrote to memory of 464	488	4zASnGa4OgB4N7r.exe	79
PID 488 wrote to memory of 664	488	4zASnGa4OgB4N7r.exe	81
PID 488 wrote to memory of 664	488	4zASnGa4OgB4N7r.exe	81
PID 488 wrote to memory of 664	488	4zASnGa4OgB4N7r.exe	81
PID 488 wrote to memory of 2360	488	4zASnGa4OgB4N7r.exe	82
PID 488 wrote to memory of 2360	488	4zASnGa4OgB4N7r.exe	82
PID 488 wrote to memory of 2360	488	4zASnGa4OgB4N7r.exe	82
PID 488 wrote to memory of 5284	488	4zASnGa4OgB4N7r.exe	85
PID 488 wrote to memory of 5284	488	4zASnGa4OgB4N7r.exe	85
PID 488 wrote to memory of 5284	488	4zASnGa4OgB4N7r.exe	85
PID 488 wrote to memory of 5284	488	4zASnGa4OgB4N7r.exe	85
PID 488 wrote to memory of 5284	488	4zASnGa4OgB4N7r.exe	85
PID 488 wrote to memory of 5284	488	4zASnGa4OgB4N7r.exe	85
PID 3300 wrote to memory of 5316	3300	Explorer.EXE	86
PID 3300 wrote to memory of 5316	3300	Explorer.EXE	86
PID 3300 wrote to memory of 5316	3300	Explorer.EXE	86
PID 5316 wrote to memory of 1148	5316	rundll32.exe	87
PID 5316 wrote to memory of 1148	5316	rundll32.exe	87
PID 5316 wrote to memory of 1148	5316	rundll32.exe	87

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3300
- C:\Users\Admin\AppData\Local\Temp\4zASnGa4OgB4N7r.exe
  "C:\Users\Admin\AppData\Local\Temp\4zASnGa4OgB4N7r.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:488
- - 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:464
- - 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:664
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\adXoeH" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7705.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2360
- - 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:5284
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\SysWOW64\rundll32.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:5316
- - 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:1148

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

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
ac4917a885cf6050b1a483e4bc4d2ea5

SHA1
b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f

SHA256
e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9

SHA512
092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d

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

Filesize
18KB

MD5
07dbf750caf33f2044c7c9c72312f200

SHA1
981524665e18ba5f2848a71787cf8f9fe4bcc22e

SHA256
076af5df392ff1a2490642c0e70e506b478898ec86f400d7c1e7e29e4f383ea7

SHA512
f7dba57a702be03f36fbf07c9dfc6b93f4435073c9095206936818cc91e455648581b6c078847315a7177dff7c63a82df784c6b0616d956b77788948ec4ad3ed

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xanvoxcw.05l.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp7705.tmp

Filesize
1KB

MD5
8b73b261833e3ae97bca2524cd9bbb92

SHA1
2c9b3450e41f9057bf9011ca506315319660e460

SHA256
af8bed72bae77546d554333887912968234f43a9dadcda76f3a2072cb8fc15ec

SHA512
e5abad0e7a1199ae384bb8e3b3819e06f1715ed53d15a2a3adcd3ce1675c1dc0b6d9d78db9079536eb6d06fe47624842930d171353f8307f855a8c41e14c7612

Download Submit
memory/464-18-0x0000000075060000-0x0000000075811000-memory.dmp

Filesize
7.7MB

Download
memory/464-22-0x00000000054B0000-0x00000000054D2000-memory.dmp

Filesize
136KB

Download
memory/464-77-0x0000000007900000-0x0000000007915000-memory.dmp

Filesize
84KB

Download
memory/464-62-0x0000000075910000-0x000000007595C000-memory.dmp

Filesize
304KB

Download
memory/464-78-0x0000000007A00000-0x0000000007A1A000-memory.dmp

Filesize
104KB

Download
memory/464-79-0x00000000079F0000-0x00000000079F8000-memory.dmp

Filesize
32KB

Download
memory/464-85-0x0000000075060000-0x0000000075811000-memory.dmp

Filesize
7.7MB

Download
memory/464-76-0x00000000078F0000-0x00000000078FE000-memory.dmp

Filesize
56KB

Download
memory/464-17-0x0000000005550000-0x0000000005B7A000-memory.dmp

Filesize
6.2MB

Download
memory/464-16-0x0000000075060000-0x0000000075811000-memory.dmp

Filesize
7.7MB

Download
memory/464-27-0x0000000075060000-0x0000000075811000-memory.dmp

Filesize
7.7MB

Download
memory/464-26-0x0000000005E60000-0x00000000061B7000-memory.dmp

Filesize
3.3MB

Download
memory/464-15-0x0000000004EE0000-0x0000000004F16000-memory.dmp

Filesize
216KB

Download
memory/464-24-0x0000000005BF0000-0x0000000005C56000-memory.dmp

Filesize
408KB

Download
memory/464-23-0x0000000005B80000-0x0000000005BE6000-memory.dmp

Filesize
408KB

Download
memory/488-2-0x00000000056C0000-0x0000000005C66000-memory.dmp

Filesize
5.6MB

Download
memory/488-10-0x0000000007AC0000-0x0000000007B38000-memory.dmp

Filesize
480KB

Download
memory/488-9-0x0000000075060000-0x0000000075811000-memory.dmp

Filesize
7.7MB

Download
memory/488-8-0x000000007506E000-0x000000007506F000-memory.dmp

Filesize
4KB

Download
memory/488-7-0x0000000006170000-0x0000000006182000-memory.dmp

Filesize
72KB

Download
memory/488-6-0x0000000075060000-0x0000000075811000-memory.dmp

Filesize
7.7MB

Download
memory/488-5-0x00000000050D0000-0x00000000050DA000-memory.dmp

Filesize
40KB

Download
memory/488-39-0x0000000075060000-0x0000000075811000-memory.dmp

Filesize
7.7MB

Download
memory/488-4-0x00000000051B0000-0x000000000524C000-memory.dmp

Filesize
624KB

Download
memory/488-3-0x0000000005110000-0x00000000051A2000-memory.dmp

Filesize
584KB

Download
memory/488-1-0x0000000000580000-0x0000000000626000-memory.dmp

Filesize
664KB

Download
memory/488-0-0x000000007506E000-0x000000007506F000-memory.dmp

Filesize
4KB

Download
memory/664-28-0x0000000075060000-0x0000000075811000-memory.dmp

Filesize
7.7MB

Download
memory/664-51-0x0000000075910000-0x000000007595C000-memory.dmp

Filesize
304KB

Download
memory/664-60-0x0000000006F90000-0x0000000006FAE000-memory.dmp

Filesize
120KB

Download
memory/664-71-0x0000000007930000-0x0000000007FAA000-memory.dmp

Filesize
6.5MB

Download
memory/664-72-0x00000000072F0000-0x000000000730A000-memory.dmp

Filesize
104KB

Download
memory/664-73-0x0000000007370000-0x000000000737A000-memory.dmp

Filesize
40KB

Download
memory/664-74-0x0000000007580000-0x0000000007616000-memory.dmp

Filesize
600KB

Download
memory/664-75-0x0000000007500000-0x0000000007511000-memory.dmp

Filesize
68KB

Download
memory/664-50-0x0000000006F50000-0x0000000006F84000-memory.dmp

Filesize
208KB

Download
memory/664-61-0x0000000006FB0000-0x0000000007054000-memory.dmp

Filesize
656KB

Download
memory/664-49-0x0000000006030000-0x000000000607C000-memory.dmp

Filesize
304KB

Download
memory/664-48-0x0000000005FA0000-0x0000000005FBE000-memory.dmp

Filesize
120KB

Download
memory/664-19-0x0000000075060000-0x0000000075811000-memory.dmp

Filesize
7.7MB

Download
memory/664-86-0x0000000075060000-0x0000000075811000-memory.dmp

Filesize
7.7MB

Download
memory/664-21-0x0000000075060000-0x0000000075811000-memory.dmp

Filesize
7.7MB

Download
memory/3300-91-0x0000000006360000-0x00000000064DE000-memory.dmp

Filesize
1.5MB

Download
memory/5284-25-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/5316-87-0x0000000000880000-0x000000000088E000-memory.dmp

Filesize
56KB

Download
memory/5316-88-0x0000000000880000-0x000000000088E000-memory.dmp

Filesize
56KB

Download
memory/5316-89-0x0000000000530000-0x000000000055F000-memory.dmp

Filesize
188KB

Download