formbook | 74fb97d9d74ccad7bd3d375310eb20222261a0d224d5a77cda960490b4f48b04

Analysis

max time kernel
15s
max time network
138s
platform
windows11-21h2_x64
resource
win11-20250410-en
resource tags

arch:x64arch:x86image:win11-20250410-enlocale:en-usos:windows11-21h2-x64system
submitted
17/04/2025, 07:55

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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
behavioral2/memory/3348-34-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3348-87-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2056-89-0x0000000000110000-0x000000000013F000-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
3276	powershell.exe
3608	powershell.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059
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 1 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	4zASnGa4OgB4N7r.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
5424	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
32	4zASnGa4OgB4N7r.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	32	4zASnGa4OgB4N7r.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 32 wrote to memory of 3276	32	4zASnGa4OgB4N7r.exe	78
PID 32 wrote to memory of 3276	32	4zASnGa4OgB4N7r.exe	78
PID 32 wrote to memory of 3276	32	4zASnGa4OgB4N7r.exe	78

C:\Users\Admin\AppData\Local\Temp\4zASnGa4OgB4N7r.exe
"C:\Users\Admin\AppData\Local\Temp\4zASnGa4OgB4N7r.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:32
- 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"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  PID:3276
- 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"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  PID:3608
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\adXoeH" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9A7B.tmp"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:5424
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  PID:3348
- - C:\Windows\SysWOW64\chkdsk.exe
    "C:\Windows\SysWOW64\chkdsk.exe"
    3⤵
    PID:2056
  - - C:\Windows\SysWOW64\cmd.exe
      /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
      4⤵
      PID:2260

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
d0c46cad6c0778401e21910bd6b56b70

SHA1
7be418951ea96326aca445b8dfe449b2bfa0dca6

SHA256
9600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02

SHA512
057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949

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

Filesize
18KB

MD5
02d80136979251eb9d7e342c53ed1ca1

SHA1
bcf064d108b8247c2501593982f6e287e36c709a

SHA256
da3509bf588bdb6724ca57e3707efbbce0bbffd2086f003e1229aca08bcf5e9e

SHA512
1f73feb946362d13ba2f30d032013f1961d807aed320808e2149f5f80f47cd914b039f32b4dd8b9415baa59ef8a4cbda3a9c7c006d2a4669346bae18bd48d461

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ebiyd3th.ljs.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp9A7B.tmp

Filesize
1KB

MD5
aa30b2f90dec359cd5ab4279047804de

SHA1
501648f7efefdfdad891c297b5bcaa85756f34dd

SHA256
31e829aff66b9b5ba83f9a7806f5a04601895cedbbbf0401deff8ee70d131a21

SHA512
c86a1c204c6039eebb805c70266dbc197558cdf5c8abfec39da3e6e8836761651534492c2735cfca8ad95778b648036ce7381aea9eafe7466f13e7cec1cd115f

Download Submit
memory/32-4-0x00000000058B0000-0x000000000594C000-memory.dmp

Filesize
624KB

Download
memory/32-6-0x0000000074E80000-0x0000000075631000-memory.dmp

Filesize
7.7MB

Download
memory/32-5-0x0000000005880000-0x000000000588A000-memory.dmp

Filesize
40KB

Download
memory/32-7-0x0000000006DE0000-0x0000000006DF2000-memory.dmp

Filesize
72KB

Download
memory/32-8-0x0000000074E8E000-0x0000000074E8F000-memory.dmp

Filesize
4KB

Download
memory/32-9-0x0000000074E80000-0x0000000075631000-memory.dmp

Filesize
7.7MB

Download
memory/32-10-0x00000000068D0000-0x0000000006948000-memory.dmp

Filesize
480KB

Download
memory/32-3-0x00000000056C0000-0x0000000005752000-memory.dmp

Filesize
584KB

Download
memory/32-2-0x0000000005D20000-0x00000000062C6000-memory.dmp

Filesize
5.6MB

Download
memory/32-0-0x0000000074E8E000-0x0000000074E8F000-memory.dmp

Filesize
4KB

Download
memory/32-47-0x0000000074E80000-0x0000000075631000-memory.dmp

Filesize
7.7MB

Download
memory/32-1-0x0000000000B80000-0x0000000000C26000-memory.dmp

Filesize
664KB

Download
memory/2056-88-0x0000000000AB0000-0x0000000000ABA000-memory.dmp

Filesize
40KB

Download
memory/2056-89-0x0000000000110000-0x000000000013F000-memory.dmp

Filesize
188KB

Download
memory/3276-76-0x0000000007AA0000-0x0000000007AAE000-memory.dmp

Filesize
56KB

Download
memory/3276-15-0x00000000050A0000-0x00000000050D6000-memory.dmp

Filesize
216KB

Download
memory/3276-48-0x0000000006510000-0x000000000652E000-memory.dmp

Filesize
120KB

Download
memory/3276-33-0x00000000060E0000-0x0000000006437000-memory.dmp

Filesize
3.3MB

Download
memory/3276-35-0x0000000074E80000-0x0000000075631000-memory.dmp

Filesize
7.7MB

Download
memory/3276-16-0x0000000074E80000-0x0000000075631000-memory.dmp

Filesize
7.7MB

Download
memory/3276-79-0x0000000007BA0000-0x0000000007BA8000-memory.dmp

Filesize
32KB

Download
memory/3276-22-0x0000000005DD0000-0x0000000005E36000-memory.dmp

Filesize
408KB

Download
memory/3276-20-0x0000000005670000-0x0000000005692000-memory.dmp

Filesize
136KB

Download
memory/3276-21-0x0000000005710000-0x0000000005776000-memory.dmp

Filesize
408KB

Download
memory/3276-49-0x0000000006550000-0x000000000659C000-memory.dmp

Filesize
304KB

Download
memory/3276-85-0x0000000074E80000-0x0000000075631000-memory.dmp

Filesize
7.7MB

Download
memory/3276-18-0x0000000074E80000-0x0000000075631000-memory.dmp

Filesize
7.7MB

Download
memory/3276-61-0x0000000075730000-0x000000007577C000-memory.dmp

Filesize
304KB

Download
memory/3276-17-0x00000000057A0000-0x0000000005DCA000-memory.dmp

Filesize
6.2MB

Download
memory/3276-72-0x0000000006BF0000-0x0000000006C0A000-memory.dmp

Filesize
104KB

Download
memory/3276-73-0x00000000078E0000-0x00000000078EA000-memory.dmp

Filesize
40KB

Download
memory/3276-71-0x0000000007F30000-0x00000000085AA000-memory.dmp

Filesize
6.5MB

Download
memory/3336-91-0x0000000005910000-0x0000000005A13000-memory.dmp

Filesize
1.0MB

Download
memory/3348-34-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3348-87-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3608-78-0x0000000007730000-0x000000000774A000-memory.dmp

Filesize
104KB

Download
memory/3608-77-0x0000000007630000-0x0000000007645000-memory.dmp

Filesize
84KB

Download
memory/3608-50-0x0000000006FD0000-0x0000000007004000-memory.dmp

Filesize
208KB

Download
memory/3608-74-0x0000000007670000-0x0000000007706000-memory.dmp

Filesize
600KB

Download
memory/3608-60-0x00000000065C0000-0x00000000065DE000-memory.dmp

Filesize
120KB

Download
memory/3608-70-0x0000000007010000-0x00000000070B4000-memory.dmp

Filesize
656KB

Download
memory/3608-86-0x0000000074E80000-0x0000000075631000-memory.dmp

Filesize
7.7MB

Download
memory/3608-51-0x0000000075730000-0x000000007577C000-memory.dmp

Filesize
304KB

Download
memory/3608-75-0x00000000075F0000-0x0000000007601000-memory.dmp

Filesize
68KB

Download
memory/3608-19-0x0000000074E80000-0x0000000075631000-memory.dmp

Filesize
7.7MB

Download
memory/3608-32-0x0000000074E80000-0x0000000075631000-memory.dmp

Filesize
7.7MB

Download
memory/3608-36-0x0000000074E80000-0x0000000075631000-memory.dmp

Filesize
7.7MB

Download