formbook | 74fb97d9d74ccad7bd3d375310eb20222261a0d224d5a77cda960490b4f48b04

Analysis

max time kernel
149s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-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 3 IoCs

rat

resource	yara_rule
behavioral1/memory/4752-26-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/4752-79-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1580-93-0x0000000001280000-0x00000000012AF000-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
4860	powershell.exe
4952	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-1-5-21-446031748-3036493239-2009529691-1000\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 5940 set thread context of 4752	5940	4zASnGa4OgB4N7r.exe	102
PID 4752 set thread context of 3400	4752	vbc.exe	56
PID 1580 set thread context of 3400	1580	WWAHost.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	WWAHost.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

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
4944	schtasks.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
5940	4zASnGa4OgB4N7r.exe
4952	powershell.exe
4860	powershell.exe
5940	4zASnGa4OgB4N7r.exe
4752	vbc.exe
4752	vbc.exe
4752	vbc.exe
4752	vbc.exe
4860	powershell.exe
4952	powershell.exe
1580	WWAHost.exe
1580	WWAHost.exe
1580	WWAHost.exe
1580	WWAHost.exe
1580	WWAHost.exe
1580	WWAHost.exe
1580	WWAHost.exe
1580	WWAHost.exe
1580	WWAHost.exe
1580	WWAHost.exe
1580	WWAHost.exe
1580	WWAHost.exe
1580	WWAHost.exe
1580	WWAHost.exe
1580	WWAHost.exe
1580	WWAHost.exe
1580	WWAHost.exe
1580	WWAHost.exe
1580	WWAHost.exe
1580	WWAHost.exe
1580	WWAHost.exe
1580	WWAHost.exe
1580	WWAHost.exe
1580	WWAHost.exe
1580	WWAHost.exe
1580	WWAHost.exe
1580	WWAHost.exe
1580	WWAHost.exe
1580	WWAHost.exe
1580	WWAHost.exe
1580	WWAHost.exe
1580	WWAHost.exe
1580	WWAHost.exe
1580	WWAHost.exe
1580	WWAHost.exe
1580	WWAHost.exe
1580	WWAHost.exe
1580	WWAHost.exe
1580	WWAHost.exe
1580	WWAHost.exe
1580	WWAHost.exe
1580	WWAHost.exe
1580	WWAHost.exe
1580	WWAHost.exe
1580	WWAHost.exe
1580	WWAHost.exe
1580	WWAHost.exe
1580	WWAHost.exe
1580	WWAHost.exe
1580	WWAHost.exe
1580	WWAHost.exe
1580	WWAHost.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3400	Explorer.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
4752	vbc.exe
4752	vbc.exe
4752	vbc.exe
1580	WWAHost.exe
1580	WWAHost.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	5940	4zASnGa4OgB4N7r.exe
Token: SeDebugPrivilege	4860	powershell.exe
Token: SeDebugPrivilege	4952	powershell.exe
Token: SeDebugPrivilege	4752	vbc.exe
Token: SeDebugPrivilege	1580	WWAHost.exe
Token: SeShutdownPrivilege	3400	Explorer.EXE
Token: SeCreatePagefilePrivilege	3400	Explorer.EXE
Token: SeShutdownPrivilege	3400	Explorer.EXE
Token: SeCreatePagefilePrivilege	3400	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3400	Explorer.EXE

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 5940 wrote to memory of 4860	5940	4zASnGa4OgB4N7r.exe	96
PID 5940 wrote to memory of 4860	5940	4zASnGa4OgB4N7r.exe	96
PID 5940 wrote to memory of 4860	5940	4zASnGa4OgB4N7r.exe	96
PID 5940 wrote to memory of 4952	5940	4zASnGa4OgB4N7r.exe	98
PID 5940 wrote to memory of 4952	5940	4zASnGa4OgB4N7r.exe	98
PID 5940 wrote to memory of 4952	5940	4zASnGa4OgB4N7r.exe	98
PID 5940 wrote to memory of 4944	5940	4zASnGa4OgB4N7r.exe	99
PID 5940 wrote to memory of 4944	5940	4zASnGa4OgB4N7r.exe	99
PID 5940 wrote to memory of 4944	5940	4zASnGa4OgB4N7r.exe	99
PID 5940 wrote to memory of 4752	5940	4zASnGa4OgB4N7r.exe	102
PID 5940 wrote to memory of 4752	5940	4zASnGa4OgB4N7r.exe	102
PID 5940 wrote to memory of 4752	5940	4zASnGa4OgB4N7r.exe	102
PID 5940 wrote to memory of 4752	5940	4zASnGa4OgB4N7r.exe	102
PID 5940 wrote to memory of 4752	5940	4zASnGa4OgB4N7r.exe	102
PID 5940 wrote to memory of 4752	5940	4zASnGa4OgB4N7r.exe	102
PID 3400 wrote to memory of 1580	3400	Explorer.EXE	103
PID 3400 wrote to memory of 1580	3400	Explorer.EXE	103
PID 3400 wrote to memory of 1580	3400	Explorer.EXE	103
PID 1580 wrote to memory of 2432	1580	WWAHost.exe	104
PID 1580 wrote to memory of 2432	1580	WWAHost.exe	104
PID 1580 wrote to memory of 2432	1580	WWAHost.exe	104

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:3400
- 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:5940
- - 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:4860
- - 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:4952
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\adXoeH" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9A9A.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4944
- - 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:4752
- C:\Windows\SysWOW64\WWAHost.exe
  "C:\Windows\SysWOW64\WWAHost.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:1580
- - 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:2432

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
efa9199e099435e5d727c42720512ec2

SHA1
c7bee2debe827bf85ed5bca3a1e419a6eb21b5bf

SHA256
321a3edf181c64f1142f818d19a0c54565ebed749bb176e16c03f777b222eedf

SHA512
e9a4be09515bb07df62ba0783bd57b06735153c8e78da42050ac040e39a69462f79c14cad60d9bb5fb6e29392abe889574726b9b40c1367cfb7fd9f24a78e722

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ljulupan.n1c.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp9A9A.tmp

Filesize
1KB

MD5
acedcb9e49739f6ea23372a383cf3125

SHA1
0621ddf0dbb84a4304ae2e9823b878dab7857cd8

SHA256
9de98e9f3771f2580418d0c1d44902a5c2b6a2fe45f3837b7d041a0daa7265cb

SHA512
907db4da333f867f432dc87bb34aca000611de46a746be7650a54621ae6f93748a3d7a16a42884d322ce4bd425ec197acb0fbf61fbec9792446bd4a5e9163051

Download Submit
memory/1580-93-0x0000000001280000-0x00000000012AF000-memory.dmp

Filesize
188KB

Download
memory/1580-80-0x00000000005A0000-0x000000000067C000-memory.dmp

Filesize
880KB

Download
memory/1580-78-0x00000000005A0000-0x000000000067C000-memory.dmp

Filesize
880KB

Download
memory/3400-95-0x0000000009220000-0x0000000009385000-memory.dmp

Filesize
1.4MB

Download
memory/4752-79-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4752-26-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4860-32-0x0000000005960000-0x0000000005CB4000-memory.dmp

Filesize
3.3MB

Download
memory/4860-63-0x0000000006F40000-0x0000000006FE3000-memory.dmp

Filesize
652KB

Download
memory/4860-16-0x00000000744E0000-0x0000000074C90000-memory.dmp

Filesize
7.7MB

Download
memory/4860-18-0x00000000744E0000-0x0000000074C90000-memory.dmp

Filesize
7.7MB

Download
memory/4860-17-0x0000000005130000-0x0000000005758000-memory.dmp

Filesize
6.2MB

Download
memory/4860-19-0x00000000744E0000-0x0000000074C90000-memory.dmp

Filesize
7.7MB

Download
memory/4860-91-0x00000000744E0000-0x0000000074C90000-memory.dmp

Filesize
7.7MB

Download
memory/4860-85-0x0000000007560000-0x0000000007568000-memory.dmp

Filesize
32KB

Download
memory/4860-24-0x00000000058F0000-0x0000000005956000-memory.dmp

Filesize
408KB

Download
memory/4860-81-0x0000000007440000-0x0000000007451000-memory.dmp

Filesize
68KB

Download
memory/4860-77-0x00000000074C0000-0x0000000007556000-memory.dmp

Filesize
600KB

Download
memory/4860-23-0x00000000057D0000-0x0000000005836000-memory.dmp

Filesize
408KB

Download
memory/4860-22-0x0000000005050000-0x0000000005072000-memory.dmp

Filesize
136KB

Download
memory/4860-76-0x00000000072C0000-0x00000000072CA000-memory.dmp

Filesize
40KB

Download
memory/4860-75-0x0000000007240000-0x000000000725A000-memory.dmp

Filesize
104KB

Download
memory/4860-74-0x0000000007890000-0x0000000007F0A000-memory.dmp

Filesize
6.5MB

Download
memory/4860-50-0x0000000006440000-0x000000000648C000-memory.dmp

Filesize
304KB

Download
memory/4860-49-0x0000000005F00000-0x0000000005F1E000-memory.dmp

Filesize
120KB

Download
memory/4860-52-0x0000000074D70000-0x0000000074DBC000-memory.dmp

Filesize
304KB

Download
memory/4860-62-0x0000000006F20000-0x0000000006F3E000-memory.dmp

Filesize
120KB

Download
memory/4860-51-0x0000000006EE0000-0x0000000006F12000-memory.dmp

Filesize
200KB

Download
memory/4860-15-0x0000000002630000-0x0000000002666000-memory.dmp

Filesize
216KB

Download
memory/4952-25-0x00000000744E0000-0x0000000074C90000-memory.dmp

Filesize
7.7MB

Download
memory/4952-20-0x00000000744E0000-0x0000000074C90000-memory.dmp

Filesize
7.7MB

Download
memory/4952-92-0x00000000744E0000-0x0000000074C90000-memory.dmp

Filesize
7.7MB

Download
memory/4952-84-0x00000000071A0000-0x00000000071BA000-memory.dmp

Filesize
104KB

Download
memory/4952-64-0x0000000074D70000-0x0000000074DBC000-memory.dmp

Filesize
304KB

Download
memory/4952-83-0x00000000070A0000-0x00000000070B4000-memory.dmp

Filesize
80KB

Download
memory/4952-82-0x0000000007090000-0x000000000709E000-memory.dmp

Filesize
56KB

Download
memory/5940-9-0x00000000744E0000-0x0000000074C90000-memory.dmp

Filesize
7.7MB

Download
memory/5940-5-0x0000000004B60000-0x0000000004B6A000-memory.dmp

Filesize
40KB

Download
memory/5940-6-0x00000000744E0000-0x0000000074C90000-memory.dmp

Filesize
7.7MB

Download
memory/5940-7-0x00000000061A0000-0x00000000061B2000-memory.dmp

Filesize
72KB

Download
memory/5940-0-0x00000000744EE000-0x00000000744EF000-memory.dmp

Filesize
4KB

Download
memory/5940-10-0x0000000005D20000-0x0000000005D98000-memory.dmp

Filesize
480KB

Download
memory/5940-8-0x00000000744EE000-0x00000000744EF000-memory.dmp

Filesize
4KB

Download
memory/5940-4-0x0000000004C00000-0x0000000004C9C000-memory.dmp

Filesize
624KB

Download
memory/5940-3-0x0000000004AC0000-0x0000000004B52000-memory.dmp

Filesize
584KB

Download
memory/5940-38-0x00000000744E0000-0x0000000074C90000-memory.dmp

Filesize
7.7MB

Download
memory/5940-2-0x0000000005070000-0x0000000005614000-memory.dmp

Filesize
5.6MB

Download
memory/5940-1-0x0000000000010000-0x00000000000B6000-memory.dmp

Filesize
664KB

Download