formbook | 000948ea48835dd2fe087ca6b042eabbf280ac93fe2eb94558995a3a9db0b8a9

Analysis

max time kernel
149s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-10-2024 13:25

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General

Target

malw.exe
Size

751KB
MD5

cd4ee0d6ce4f0fcc5105b1601946d94c
SHA1

a1b22767415d6230e9f2442f75b64a948759b8f2
SHA256

000948ea48835dd2fe087ca6b042eabbf280ac93fe2eb94558995a3a9db0b8a9
SHA512

2565e81816c7896db100e5ade16f456c76ee9b711d672711845b89d578a767077836510185fd605db3eefcdf1a1ced3a56e409bfae42f4f3f954d4f1ebaee5b5
SSDEEP

12288:v39mEqOVzmIJnfTu6EKrVwTBbHsot5ZeVK7EWWlPYnlMWn:vIEqE6sTxBwBtve0WRnW

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/1756-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1756-23-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4220-70-0x0000000000950000-0x000000000097F000-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
452	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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	malw.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3928 set thread context of 1756	3928	malw.exe	88
PID 1756 set thread context of 3432	1756	malw.exe	56
PID 4220 set thread context of 3432	4220	wlanext.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	malw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wlanext.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
1756	malw.exe
1756	malw.exe
1756	malw.exe
1756	malw.exe
452	powershell.exe
452	powershell.exe
4220	wlanext.exe
4220	wlanext.exe
4220	wlanext.exe
4220	wlanext.exe
4220	wlanext.exe
4220	wlanext.exe
4220	wlanext.exe
4220	wlanext.exe
4220	wlanext.exe
4220	wlanext.exe
4220	wlanext.exe
4220	wlanext.exe
4220	wlanext.exe
4220	wlanext.exe
4220	wlanext.exe
4220	wlanext.exe
4220	wlanext.exe
4220	wlanext.exe
4220	wlanext.exe
4220	wlanext.exe
4220	wlanext.exe
4220	wlanext.exe
4220	wlanext.exe
4220	wlanext.exe
4220	wlanext.exe
4220	wlanext.exe
4220	wlanext.exe
4220	wlanext.exe
4220	wlanext.exe
4220	wlanext.exe
4220	wlanext.exe
4220	wlanext.exe
4220	wlanext.exe
4220	wlanext.exe
4220	wlanext.exe
4220	wlanext.exe
4220	wlanext.exe
4220	wlanext.exe
4220	wlanext.exe
4220	wlanext.exe
4220	wlanext.exe
4220	wlanext.exe
4220	wlanext.exe
4220	wlanext.exe
4220	wlanext.exe
4220	wlanext.exe
4220	wlanext.exe
4220	wlanext.exe
4220	wlanext.exe
4220	wlanext.exe
4220	wlanext.exe
4220	wlanext.exe
4220	wlanext.exe
4220	wlanext.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
1756	malw.exe
1756	malw.exe
1756	malw.exe
4220	wlanext.exe
4220	wlanext.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	1756	malw.exe
Token: SeDebugPrivilege	452	powershell.exe
Token: SeDebugPrivilege	4220	wlanext.exe
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3432	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3928 wrote to memory of 452	3928	malw.exe	86
PID 3928 wrote to memory of 452	3928	malw.exe	86
PID 3928 wrote to memory of 452	3928	malw.exe	86
PID 3928 wrote to memory of 1756	3928	malw.exe	88
PID 3928 wrote to memory of 1756	3928	malw.exe	88
PID 3928 wrote to memory of 1756	3928	malw.exe	88
PID 3928 wrote to memory of 1756	3928	malw.exe	88
PID 3928 wrote to memory of 1756	3928	malw.exe	88
PID 3928 wrote to memory of 1756	3928	malw.exe	88
PID 3432 wrote to memory of 4220	3432	Explorer.EXE	89
PID 3432 wrote to memory of 4220	3432	Explorer.EXE	89
PID 3432 wrote to memory of 4220	3432	Explorer.EXE	89
PID 4220 wrote to memory of 3428	4220	wlanext.exe	90
PID 4220 wrote to memory of 3428	4220	wlanext.exe	90
PID 4220 wrote to memory of 3428	4220	wlanext.exe	90

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3432
- C:\Users\Admin\AppData\Local\Temp\malw.exe
  "C:\Users\Admin\AppData\Local\Temp\malw.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3928
- - 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\malw.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:452
- - C:\Users\Admin\AppData\Local\Temp\malw.exe
    "C:\Users\Admin\AppData\Local\Temp\malw.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1756
- C:\Windows\SysWOW64\wlanext.exe
  "C:\Windows\SysWOW64\wlanext.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:4220
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\malw.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3428

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mdgjmbl2.j2p.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/452-55-0x00000000078E0000-0x0000000007F5A000-memory.dmp

Filesize
6.5MB

Download
memory/452-54-0x0000000007190000-0x0000000007233000-memory.dmp

Filesize
652KB

Download
memory/452-69-0x00000000745C0000-0x0000000074D70000-memory.dmp

Filesize
7.7MB

Download
memory/452-66-0x00000000075C0000-0x00000000075C8000-memory.dmp

Filesize
32KB

Download
memory/452-36-0x0000000005A00000-0x0000000005D54000-memory.dmp

Filesize
3.3MB

Download
memory/452-65-0x00000000075E0000-0x00000000075FA000-memory.dmp

Filesize
104KB

Download
memory/452-64-0x00000000074E0000-0x00000000074F4000-memory.dmp

Filesize
80KB

Download
memory/452-63-0x00000000074D0000-0x00000000074DE000-memory.dmp

Filesize
56KB

Download
memory/452-59-0x00000000074A0000-0x00000000074B1000-memory.dmp

Filesize
68KB

Download
memory/452-58-0x0000000007520000-0x00000000075B6000-memory.dmp

Filesize
600KB

Download
memory/452-57-0x0000000007310000-0x000000000731A000-memory.dmp

Filesize
40KB

Download
memory/452-56-0x00000000072A0000-0x00000000072BA000-memory.dmp

Filesize
104KB

Download
memory/452-15-0x00000000745CE000-0x00000000745CF000-memory.dmp

Filesize
4KB

Download
memory/452-39-0x000000007FC40000-0x000000007FC50000-memory.dmp

Filesize
64KB

Download
memory/452-53-0x0000000006580000-0x000000000659E000-memory.dmp

Filesize
120KB

Download
memory/452-37-0x0000000005F80000-0x0000000005F9E000-memory.dmp

Filesize
120KB

Download
memory/452-20-0x0000000000D00000-0x0000000000D10000-memory.dmp

Filesize
64KB

Download
memory/452-50-0x0000000000D00000-0x0000000000D10000-memory.dmp

Filesize
64KB

Download
memory/452-18-0x00000000745C0000-0x0000000074D70000-memory.dmp

Filesize
7.7MB

Download
memory/452-17-0x00000000051F0000-0x0000000005818000-memory.dmp

Filesize
6.2MB

Download
memory/452-14-0x0000000002670000-0x00000000026A6000-memory.dmp

Filesize
216KB

Download
memory/452-24-0x0000000004FD0000-0x0000000004FF2000-memory.dmp

Filesize
136KB

Download
memory/452-25-0x0000000005070000-0x00000000050D6000-memory.dmp

Filesize
408KB

Download
memory/452-26-0x0000000005890000-0x00000000058F6000-memory.dmp

Filesize
408KB

Download
memory/452-52-0x0000000000D00000-0x0000000000D10000-memory.dmp

Filesize
64KB

Download
memory/452-41-0x00000000703E0000-0x000000007042C000-memory.dmp

Filesize
304KB

Download
memory/452-40-0x0000000006540000-0x0000000006572000-memory.dmp

Filesize
200KB

Download
memory/452-38-0x0000000006010000-0x000000000605C000-memory.dmp

Filesize
304KB

Download
memory/1756-23-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1756-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1756-19-0x0000000001790000-0x0000000001ADA000-memory.dmp

Filesize
3.3MB

Download
memory/1756-21-0x0000000001220000-0x0000000001234000-memory.dmp

Filesize
80KB

Download
memory/3432-75-0x0000000007D00000-0x0000000007E4B000-memory.dmp

Filesize
1.3MB

Download
memory/3432-71-0x0000000002AC0000-0x0000000002BE5000-memory.dmp

Filesize
1.1MB

Download
memory/3432-22-0x0000000002AC0000-0x0000000002BE5000-memory.dmp

Filesize
1.1MB

Download
memory/3928-9-0x0000000006930000-0x00000000069A6000-memory.dmp

Filesize
472KB

Download
memory/3928-8-0x0000000074540000-0x0000000074CF0000-memory.dmp

Filesize
7.7MB

Download
memory/3928-0-0x000000007454E000-0x000000007454F000-memory.dmp

Filesize
4KB

Download
memory/3928-10-0x000000000A550000-0x000000000A5EC000-memory.dmp

Filesize
624KB

Download
memory/3928-2-0x0000000005BA0000-0x0000000006144000-memory.dmp

Filesize
5.6MB

Download
memory/3928-4-0x00000000056A0000-0x00000000056AA000-memory.dmp

Filesize
40KB

Download
memory/3928-3-0x00000000055F0000-0x0000000005682000-memory.dmp

Filesize
584KB

Download
memory/3928-13-0x0000000074540000-0x0000000074CF0000-memory.dmp

Filesize
7.7MB

Download
memory/3928-7-0x000000007454E000-0x000000007454F000-memory.dmp

Filesize
4KB

Download
memory/3928-6-0x00000000059F0000-0x0000000005A08000-memory.dmp

Filesize
96KB

Download
memory/3928-5-0x0000000074540000-0x0000000074CF0000-memory.dmp

Filesize
7.7MB

Download
memory/3928-1-0x0000000000B20000-0x0000000000BE2000-memory.dmp

Filesize
776KB

Download
memory/4220-70-0x0000000000950000-0x000000000097F000-memory.dmp

Filesize
188KB

Download
memory/4220-60-0x00000000005B0000-0x00000000005C7000-memory.dmp

Filesize
92KB

Download
memory/4220-62-0x00000000005B0000-0x00000000005C7000-memory.dmp

Filesize
92KB

Download