formbook | 6036a28c74493ce0e6d87a468959a047011d2e6cf63807d9a3d154b8642d7e65

Analysis

max time kernel
148s
max time network
133s
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, 13:47

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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/3748-42-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/5968-92-0x0000000000430000-0x000000000045F000-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
4736	powershell.exe
4904	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 5284 set thread context of 3748	5284	4zASnGa4OgB4N7r.exe	96
PID 3748 set thread context of 3356	3748	vbc.exe	56
PID 5968 set thread context of 3356	5968	ipconfig.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	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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ipconfig.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
5968	ipconfig.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
4668	schtasks.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
5284	4zASnGa4OgB4N7r.exe
4904	powershell.exe
4736	powershell.exe
5284	4zASnGa4OgB4N7r.exe
3748	vbc.exe
3748	vbc.exe
3748	vbc.exe
3748	vbc.exe
4904	powershell.exe
4736	powershell.exe
5968	ipconfig.exe
5968	ipconfig.exe
5968	ipconfig.exe
5968	ipconfig.exe
5968	ipconfig.exe
5968	ipconfig.exe
5968	ipconfig.exe
5968	ipconfig.exe
5968	ipconfig.exe
5968	ipconfig.exe
5968	ipconfig.exe
5968	ipconfig.exe
5968	ipconfig.exe
5968	ipconfig.exe
5968	ipconfig.exe
5968	ipconfig.exe
5968	ipconfig.exe
5968	ipconfig.exe
5968	ipconfig.exe
5968	ipconfig.exe
5968	ipconfig.exe
5968	ipconfig.exe
5968	ipconfig.exe
5968	ipconfig.exe
5968	ipconfig.exe
5968	ipconfig.exe
5968	ipconfig.exe
5968	ipconfig.exe
5968	ipconfig.exe
5968	ipconfig.exe
5968	ipconfig.exe
5968	ipconfig.exe
5968	ipconfig.exe
5968	ipconfig.exe
5968	ipconfig.exe
5968	ipconfig.exe
5968	ipconfig.exe
5968	ipconfig.exe
5968	ipconfig.exe
5968	ipconfig.exe
5968	ipconfig.exe
5968	ipconfig.exe
5968	ipconfig.exe
5968	ipconfig.exe
5968	ipconfig.exe
5968	ipconfig.exe
5968	ipconfig.exe
5968	ipconfig.exe
5968	ipconfig.exe
5968	ipconfig.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3356	Explorer.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
3748	vbc.exe
3748	vbc.exe
3748	vbc.exe
5968	ipconfig.exe
5968	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	5284	4zASnGa4OgB4N7r.exe
Token: SeDebugPrivilege	4904	powershell.exe
Token: SeDebugPrivilege	4736	powershell.exe
Token: SeDebugPrivilege	3748	vbc.exe
Token: SeDebugPrivilege	5968	ipconfig.exe
Token: SeShutdownPrivilege	3356	Explorer.EXE
Token: SeCreatePagefilePrivilege	3356	Explorer.EXE
Token: SeShutdownPrivilege	3356	Explorer.EXE
Token: SeCreatePagefilePrivilege	3356	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3356	Explorer.EXE

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 5284 wrote to memory of 4736	5284	4zASnGa4OgB4N7r.exe	90
PID 5284 wrote to memory of 4736	5284	4zASnGa4OgB4N7r.exe	90
PID 5284 wrote to memory of 4736	5284	4zASnGa4OgB4N7r.exe	90
PID 5284 wrote to memory of 4904	5284	4zASnGa4OgB4N7r.exe	92
PID 5284 wrote to memory of 4904	5284	4zASnGa4OgB4N7r.exe	92
PID 5284 wrote to memory of 4904	5284	4zASnGa4OgB4N7r.exe	92
PID 5284 wrote to memory of 4668	5284	4zASnGa4OgB4N7r.exe	94
PID 5284 wrote to memory of 4668	5284	4zASnGa4OgB4N7r.exe	94
PID 5284 wrote to memory of 4668	5284	4zASnGa4OgB4N7r.exe	94
PID 5284 wrote to memory of 3748	5284	4zASnGa4OgB4N7r.exe	96
PID 5284 wrote to memory of 3748	5284	4zASnGa4OgB4N7r.exe	96
PID 5284 wrote to memory of 3748	5284	4zASnGa4OgB4N7r.exe	96
PID 5284 wrote to memory of 3748	5284	4zASnGa4OgB4N7r.exe	96
PID 5284 wrote to memory of 3748	5284	4zASnGa4OgB4N7r.exe	96
PID 5284 wrote to memory of 3748	5284	4zASnGa4OgB4N7r.exe	96
PID 3356 wrote to memory of 5968	3356	Explorer.EXE	97
PID 3356 wrote to memory of 5968	3356	Explorer.EXE	97
PID 3356 wrote to memory of 5968	3356	Explorer.EXE	97
PID 5968 wrote to memory of 1988	5968	ipconfig.exe	98
PID 5968 wrote to memory of 1988	5968	ipconfig.exe	98
PID 5968 wrote to memory of 1988	5968	ipconfig.exe	98

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3356
- 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:5284
- - 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:4736
- - 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:4904
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\adXoeH" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC98A.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4668
- - 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:3748
- C:\Windows\SysWOW64\ipconfig.exe
  "C:\Windows\SysWOW64\ipconfig.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:5968
- - 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:1988

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
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

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

Filesize
18KB

MD5
4bd240bc233dcf7f549685ac814733fe

SHA1
1769f42667a3467e1dc25f783c82d4651f98a6b2

SHA256
dda68c186f83b2ed6319b34d4c2a31ebfe415f4554a56173cf6ee07c70444b7a

SHA512
e3fc2316d63e03bf66c9c01f4fea0002801ecb28e05765974505d028a9ba2d6f6a05b5dd7e6a2c96af52383db28ff56ddb66e6a72f514b00d78051f4e548a671

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jgsgse3i.tej.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC98A.tmp

Filesize
1KB

MD5
1326b29a1f3e246830816190c1fe497d

SHA1
e7347ebfd0d76230bf52e92b646d8b8346fc4e87

SHA256
08645d7ef25c071d53fbb80e3621f6f2ac63c8c8f986cbdb4de982824382256f

SHA512
d22a270ccd4cc8e8f79f30e2464e640fbfdbe2e5dcfea5e246a30f8f4a033439a23d084fee5cf8eddc0148990b5c3add159fdb7c498918e43f3131a0f325c40a

Download Submit
memory/3356-94-0x00000000032B0000-0x0000000003369000-memory.dmp

Filesize
740KB

Download
memory/3748-42-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4736-19-0x0000000005E00000-0x0000000005E22000-memory.dmp

Filesize
136KB

Download
memory/4736-54-0x00000000753D0000-0x000000007541C000-memory.dmp

Filesize
304KB

Download
memory/4736-90-0x0000000074B40000-0x00000000752F0000-memory.dmp

Filesize
7.7MB

Download
memory/4736-82-0x0000000007AF0000-0x0000000007B04000-memory.dmp

Filesize
80KB

Download
memory/4736-80-0x0000000007AB0000-0x0000000007AC1000-memory.dmp

Filesize
68KB

Download
memory/4736-15-0x0000000004FF0000-0x0000000005026000-memory.dmp

Filesize
216KB

Download
memory/4736-16-0x0000000074B40000-0x00000000752F0000-memory.dmp

Filesize
7.7MB

Download
memory/4736-17-0x0000000005660000-0x0000000005C88000-memory.dmp

Filesize
6.2MB

Download
memory/4736-18-0x0000000074B40000-0x00000000752F0000-memory.dmp

Filesize
7.7MB

Download
memory/4736-20-0x0000000005EA0000-0x0000000005F06000-memory.dmp

Filesize
408KB

Download
memory/4736-21-0x0000000005F10000-0x0000000005F76000-memory.dmp

Filesize
408KB

Download
memory/4736-79-0x0000000007B30000-0x0000000007BC6000-memory.dmp

Filesize
600KB

Download
memory/4736-78-0x0000000007920000-0x000000000792A000-memory.dmp

Filesize
40KB

Download
memory/4736-76-0x0000000007EF0000-0x000000000856A000-memory.dmp

Filesize
6.5MB

Download
memory/4736-77-0x00000000078B0000-0x00000000078CA000-memory.dmp

Filesize
104KB

Download
memory/4736-64-0x00000000074F0000-0x000000000750E000-memory.dmp

Filesize
120KB

Download
memory/4736-65-0x0000000007750000-0x00000000077F3000-memory.dmp

Filesize
652KB

Download
memory/4736-53-0x0000000007510000-0x0000000007542000-memory.dmp

Filesize
200KB

Download
memory/4736-25-0x0000000074B40000-0x00000000752F0000-memory.dmp

Filesize
7.7MB

Download
memory/4904-23-0x0000000074B40000-0x00000000752F0000-memory.dmp

Filesize
7.7MB

Download
memory/4904-24-0x0000000074B40000-0x00000000752F0000-memory.dmp

Filesize
7.7MB

Download
memory/4904-50-0x0000000005F80000-0x0000000005F9E000-memory.dmp

Filesize
120KB

Download
memory/4904-51-0x0000000006510000-0x000000000655C000-memory.dmp

Filesize
304KB

Download
memory/4904-91-0x0000000074B40000-0x00000000752F0000-memory.dmp

Filesize
7.7MB

Download
memory/4904-84-0x00000000075C0000-0x00000000075C8000-memory.dmp

Filesize
32KB

Download
memory/4904-83-0x00000000075E0000-0x00000000075FA000-memory.dmp

Filesize
104KB

Download
memory/4904-66-0x00000000753D0000-0x000000007541C000-memory.dmp

Filesize
304KB

Download
memory/4904-26-0x0000000005930000-0x0000000005C84000-memory.dmp

Filesize
3.3MB

Download
memory/4904-27-0x0000000074B40000-0x00000000752F0000-memory.dmp

Filesize
7.7MB

Download
memory/4904-81-0x00000000074D0000-0x00000000074DE000-memory.dmp

Filesize
56KB

Download
memory/5284-7-0x0000000005A70000-0x0000000005A82000-memory.dmp

Filesize
72KB

Download
memory/5284-0-0x0000000074B4E000-0x0000000074B4F000-memory.dmp

Filesize
4KB

Download
memory/5284-4-0x00000000059A0000-0x0000000005A3C000-memory.dmp

Filesize
624KB

Download
memory/5284-10-0x0000000006C60000-0x0000000006CD8000-memory.dmp

Filesize
480KB

Download
memory/5284-5-0x00000000058C0000-0x00000000058CA000-memory.dmp

Filesize
40KB

Download
memory/5284-9-0x0000000074B40000-0x00000000752F0000-memory.dmp

Filesize
7.7MB

Download
memory/5284-49-0x0000000074B40000-0x00000000752F0000-memory.dmp

Filesize
7.7MB

Download
memory/5284-6-0x0000000074B40000-0x00000000752F0000-memory.dmp

Filesize
7.7MB

Download
memory/5284-3-0x0000000005800000-0x0000000005892000-memory.dmp

Filesize
584KB

Download
memory/5284-8-0x0000000074B4E000-0x0000000074B4F000-memory.dmp

Filesize
4KB

Download
memory/5284-2-0x0000000005EB0000-0x0000000006454000-memory.dmp

Filesize
5.6MB

Download
memory/5284-1-0x0000000000D80000-0x0000000000E26000-memory.dmp

Filesize
664KB

Download
memory/5968-92-0x0000000000430000-0x000000000045F000-memory.dmp

Filesize
188KB

Download
memory/5968-52-0x0000000000100000-0x000000000010B000-memory.dmp

Filesize
44KB

Download