formbook | 03b5cfab3f0ffdf96e415006004be9a0c05e6365e1d5834984cfd5cea9df85fe

Analysis

max time kernel
149s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07-10-2024 08:13

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

tnbws7pyQvMUSjF.exe
Size

731KB
MD5

17a1259bd9c1cb80ac8d105d513bed7f
SHA1

cae2ad2f6a8055ad2145e25324d29033fe1133ae
SHA256

03b5cfab3f0ffdf96e415006004be9a0c05e6365e1d5834984cfd5cea9df85fe
SHA512

f3edf3d6e0c10fd71e411c78fc7af1db10c0c4d56cc796dac113eae2afe96ff30eceb4d0c275a48bded4aeeb353e1a6d22f19f754baf1fd218b8fdaa63ff12b0
SSDEEP

12288:XTrw1bZZn9LJ/x0NHhVdAU/ocoHqXNAN5sNUEj+CQBuxXF29cGNzw1ZW6bEm7N52:DrwLZnR30xhDLocIqXN8u+CQ0FJGVuZN

Score

10^/10

formbook t18n discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

t18n

Decoy

tmusicoregon.net

atici.online

j7u7.xyz

iewunucierwuerwnziqi1.info

ruvabetgiris.website

acik.lat

obsk.top

sphaltpaving-ttp1-shd-us-2.shop

ispensarynearme.news

b3nd.bond

urelook.xyz

gearlpfbm.top

aconstructionjob.bond

killsnexis.info

oshon.xyz

ashabsxw.top

ussiatraiding.buzz

raipsehumus.homes

6ae23rx.forum

edar88vvip.shop

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/3892-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3892-16-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4204-67-0x0000000000F20000-0x0000000000F4F000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
3336	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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	tnbws7pyQvMUSjF.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4764 set thread context of 3892	4764	tnbws7pyQvMUSjF.exe	90
PID 3892 set thread context of 3548	3892	tnbws7pyQvMUSjF.exe	56
PID 4204 set thread context of 3548	4204	wscript.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 4 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	wscript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tnbws7pyQvMUSjF.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
3892	tnbws7pyQvMUSjF.exe
3892	tnbws7pyQvMUSjF.exe
3892	tnbws7pyQvMUSjF.exe
3892	tnbws7pyQvMUSjF.exe
3336	powershell.exe
3336	powershell.exe
4204	wscript.exe
4204	wscript.exe
4204	wscript.exe
4204	wscript.exe
4204	wscript.exe
4204	wscript.exe
4204	wscript.exe
4204	wscript.exe
4204	wscript.exe
4204	wscript.exe
4204	wscript.exe
4204	wscript.exe
4204	wscript.exe
4204	wscript.exe
4204	wscript.exe
4204	wscript.exe
4204	wscript.exe
4204	wscript.exe
4204	wscript.exe
4204	wscript.exe
4204	wscript.exe
4204	wscript.exe
4204	wscript.exe
4204	wscript.exe
4204	wscript.exe
4204	wscript.exe
4204	wscript.exe
4204	wscript.exe
4204	wscript.exe
4204	wscript.exe
4204	wscript.exe
4204	wscript.exe
4204	wscript.exe
4204	wscript.exe
4204	wscript.exe
4204	wscript.exe
4204	wscript.exe
4204	wscript.exe
4204	wscript.exe
4204	wscript.exe
4204	wscript.exe
4204	wscript.exe
4204	wscript.exe
4204	wscript.exe
4204	wscript.exe
4204	wscript.exe
4204	wscript.exe
4204	wscript.exe
4204	wscript.exe
4204	wscript.exe
4204	wscript.exe
4204	wscript.exe
4204	wscript.exe
4204	wscript.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
3892	tnbws7pyQvMUSjF.exe
3892	tnbws7pyQvMUSjF.exe
3892	tnbws7pyQvMUSjF.exe
4204	wscript.exe
4204	wscript.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	3892	tnbws7pyQvMUSjF.exe
Token: SeDebugPrivilege	3336	powershell.exe
Token: SeDebugPrivilege	4204	wscript.exe
Token: SeShutdownPrivilege	3548	Explorer.EXE
Token: SeCreatePagefilePrivilege	3548	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4764 wrote to memory of 3336	4764	tnbws7pyQvMUSjF.exe	88
PID 4764 wrote to memory of 3336	4764	tnbws7pyQvMUSjF.exe	88
PID 4764 wrote to memory of 3336	4764	tnbws7pyQvMUSjF.exe	88
PID 4764 wrote to memory of 3892	4764	tnbws7pyQvMUSjF.exe	90
PID 4764 wrote to memory of 3892	4764	tnbws7pyQvMUSjF.exe	90
PID 4764 wrote to memory of 3892	4764	tnbws7pyQvMUSjF.exe	90
PID 4764 wrote to memory of 3892	4764	tnbws7pyQvMUSjF.exe	90
PID 4764 wrote to memory of 3892	4764	tnbws7pyQvMUSjF.exe	90
PID 4764 wrote to memory of 3892	4764	tnbws7pyQvMUSjF.exe	90
PID 3548 wrote to memory of 4204	3548	Explorer.EXE	91
PID 3548 wrote to memory of 4204	3548	Explorer.EXE	91
PID 3548 wrote to memory of 4204	3548	Explorer.EXE	91
PID 4204 wrote to memory of 764	4204	wscript.exe	94
PID 4204 wrote to memory of 764	4204	wscript.exe	94
PID 4204 wrote to memory of 764	4204	wscript.exe	94

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3548
- C:\Users\Admin\AppData\Local\Temp\tnbws7pyQvMUSjF.exe
  "C:\Users\Admin\AppData\Local\Temp\tnbws7pyQvMUSjF.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4764
- - 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\tnbws7pyQvMUSjF.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3336
- - C:\Users\Admin\AppData\Local\Temp\tnbws7pyQvMUSjF.exe
    "C:\Users\Admin\AppData\Local\Temp\tnbws7pyQvMUSjF.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3892
- C:\Windows\SysWOW64\wscript.exe
  "C:\Windows\SysWOW64\wscript.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:4204
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\tnbws7pyQvMUSjF.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:764

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mfmkbafe.3re.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/3336-55-0x00000000070B0000-0x00000000070CA000-memory.dmp

Filesize
104KB

Download
memory/3336-23-0x0000000002530000-0x0000000002540000-memory.dmp

Filesize
64KB

Download
memory/3336-40-0x0000000006D50000-0x0000000006D82000-memory.dmp

Filesize
200KB

Download
memory/3336-39-0x000000007F2B0000-0x000000007F2C0000-memory.dmp

Filesize
64KB

Download
memory/3336-68-0x0000000074CA0000-0x0000000075450000-memory.dmp

Filesize
7.7MB

Download
memory/3336-64-0x00000000073D0000-0x00000000073D8000-memory.dmp

Filesize
32KB

Download
memory/3336-36-0x0000000005950000-0x0000000005CA4000-memory.dmp

Filesize
3.3MB

Download
memory/3336-63-0x00000000073F0000-0x000000000740A000-memory.dmp

Filesize
104KB

Download
memory/3336-62-0x00000000072F0000-0x0000000007304000-memory.dmp

Filesize
80KB

Download
memory/3336-61-0x00000000072E0000-0x00000000072EE000-memory.dmp

Filesize
56KB

Download
memory/3336-58-0x00000000072B0000-0x00000000072C1000-memory.dmp

Filesize
68KB

Download
memory/3336-37-0x0000000005D80000-0x0000000005D9E000-memory.dmp

Filesize
120KB

Download
memory/3336-57-0x0000000007330000-0x00000000073C6000-memory.dmp

Filesize
600KB

Download
memory/3336-56-0x0000000007120000-0x000000000712A000-memory.dmp

Filesize
40KB

Download
memory/3336-54-0x00000000076F0000-0x0000000007D6A000-memory.dmp

Filesize
6.5MB

Download
memory/3336-41-0x0000000070AC0000-0x0000000070B0C000-memory.dmp

Filesize
304KB

Download
memory/3336-38-0x0000000005E20000-0x0000000005E6C000-memory.dmp

Filesize
304KB

Download
memory/3336-21-0x0000000074CA0000-0x0000000075450000-memory.dmp

Filesize
7.7MB

Download
memory/3336-20-0x0000000004F10000-0x0000000005538000-memory.dmp

Filesize
6.2MB

Download
memory/3336-19-0x0000000002470000-0x00000000024A6000-memory.dmp

Filesize
216KB

Download
memory/3336-35-0x00000000058E0000-0x0000000005946000-memory.dmp

Filesize
408KB

Download
memory/3336-53-0x0000000006D90000-0x0000000006E33000-memory.dmp

Filesize
652KB

Download
memory/3336-33-0x0000000005760000-0x0000000005782000-memory.dmp

Filesize
136KB

Download
memory/3336-34-0x0000000005870000-0x00000000058D6000-memory.dmp

Filesize
408KB

Download
memory/3336-18-0x0000000074CAE000-0x0000000074CAF000-memory.dmp

Filesize
4KB

Download
memory/3336-51-0x0000000002530000-0x0000000002540000-memory.dmp

Filesize
64KB

Download
memory/3336-52-0x0000000006330000-0x000000000634E000-memory.dmp

Filesize
120KB

Download
memory/3548-22-0x00000000087D0000-0x0000000008932000-memory.dmp

Filesize
1.4MB

Download
memory/3548-69-0x00000000087D0000-0x0000000008932000-memory.dmp

Filesize
1.4MB

Download
memory/3548-73-0x0000000008940000-0x0000000008A97000-memory.dmp

Filesize
1.3MB

Download
memory/3892-17-0x0000000000DC0000-0x0000000000DD4000-memory.dmp

Filesize
80KB

Download
memory/3892-14-0x0000000000EF0000-0x000000000123A000-memory.dmp

Filesize
3.3MB

Download
memory/3892-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3892-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4204-67-0x0000000000F20000-0x0000000000F4F000-memory.dmp

Filesize
188KB

Download
memory/4204-59-0x0000000000AB0000-0x0000000000AD7000-memory.dmp

Filesize
156KB

Download
memory/4204-60-0x0000000000AB0000-0x0000000000AD7000-memory.dmp

Filesize
156KB

Download
memory/4764-0-0x0000000074C2E000-0x0000000074C2F000-memory.dmp

Filesize
4KB

Download
memory/4764-2-0x0000000005AC0000-0x0000000006064000-memory.dmp

Filesize
5.6MB

Download
memory/4764-13-0x0000000074C20000-0x00000000753D0000-memory.dmp

Filesize
7.7MB

Download
memory/4764-1-0x0000000000B40000-0x0000000000BFC000-memory.dmp

Filesize
752KB

Download
memory/4764-10-0x000000000B3D0000-0x000000000B46C000-memory.dmp

Filesize
624KB

Download
memory/4764-9-0x0000000004F80000-0x0000000004FF6000-memory.dmp

Filesize
472KB

Download
memory/4764-8-0x0000000074C20000-0x00000000753D0000-memory.dmp

Filesize
7.7MB

Download
memory/4764-6-0x0000000005620000-0x000000000563E000-memory.dmp

Filesize
120KB

Download
memory/4764-5-0x0000000074C20000-0x00000000753D0000-memory.dmp

Filesize
7.7MB

Download
memory/4764-7-0x0000000074C2E000-0x0000000074C2F000-memory.dmp

Filesize
4KB

Download
memory/4764-4-0x00000000054C0000-0x00000000054CA000-memory.dmp

Filesize
40KB

Download
memory/4764-3-0x0000000005510000-0x00000000055A2000-memory.dmp

Filesize
584KB

Download