formbook | 0c75f9346023e418ff8265fb609a392086a32d894482fad2426e7993467e0eda

Resubmissions

15-10-2024 14:49

241015-r7aqravark 10

15-10-2024 14:44

241015-r39paathjq 10

Analysis

max time kernel
146s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
15-10-2024 14:44

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General

Target

malw.exe
Size

557KB
MD5

382c88984b3c6ee204de52753ef3430a
SHA1

6a3e055ed4b30137798e379408894298d6caf652
SHA256

0c75f9346023e418ff8265fb609a392086a32d894482fad2426e7993467e0eda
SHA512

e5b9658766c195274d41869253ded042cb8c8d7c2f9439b7ee3335bc049b4b1d6ef14ed86f78d5a7de67fbf2ea16d542db151924ef2c9f4293204ce9d2cde2fa
SSDEEP

12288:7bUSAWFHil5oqaWB1meO4pT7eTAqLySHqiO/B/rbKbp/zF8PnEh2vo1:7bAkCEqaW/mZkT7gAMKL/6p/GEum

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/4936-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4936-16-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2460-72-0x0000000000C00000-0x0000000000C2F000-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
3624	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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	malw.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1484 set thread context of 4936	1484	malw.exe	94
PID 4936 set thread context of 3444	4936	malw.exe	56
PID 2460 set thread context of 3444	2460	msiexec.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	malw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msiexec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 58 IoCs

pid	Process
4936	malw.exe
4936	malw.exe
4936	malw.exe
4936	malw.exe
3624	powershell.exe
3624	powershell.exe
2460	msiexec.exe
2460	msiexec.exe
2460	msiexec.exe
2460	msiexec.exe
2460	msiexec.exe
2460	msiexec.exe
2460	msiexec.exe
2460	msiexec.exe
2460	msiexec.exe
2460	msiexec.exe
2460	msiexec.exe
2460	msiexec.exe
2460	msiexec.exe
2460	msiexec.exe
2460	msiexec.exe
2460	msiexec.exe
2460	msiexec.exe
2460	msiexec.exe
2460	msiexec.exe
2460	msiexec.exe
2460	msiexec.exe
2460	msiexec.exe
2460	msiexec.exe
2460	msiexec.exe
2460	msiexec.exe
2460	msiexec.exe
2460	msiexec.exe
2460	msiexec.exe
2460	msiexec.exe
2460	msiexec.exe
2460	msiexec.exe
2460	msiexec.exe
2460	msiexec.exe
2460	msiexec.exe
2460	msiexec.exe
2460	msiexec.exe
2460	msiexec.exe
2460	msiexec.exe
2460	msiexec.exe
2460	msiexec.exe
2460	msiexec.exe
2460	msiexec.exe
2460	msiexec.exe
2460	msiexec.exe
2460	msiexec.exe
2460	msiexec.exe
2460	msiexec.exe
2460	msiexec.exe
2460	msiexec.exe
2460	msiexec.exe
2460	msiexec.exe
2460	msiexec.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
4936	malw.exe
4936	malw.exe
4936	malw.exe
2460	msiexec.exe
2460	msiexec.exe

Suspicious use of AdjustPrivilegeToken 13 IoCs

description	pid	Process
Token: SeDebugPrivilege	4936	malw.exe
Token: SeDebugPrivilege	3624	powershell.exe
Token: SeDebugPrivilege	2460	msiexec.exe
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3444	Explorer.EXE
3444	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3444	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1484 wrote to memory of 3624	1484	malw.exe	92
PID 1484 wrote to memory of 3624	1484	malw.exe	92
PID 1484 wrote to memory of 3624	1484	malw.exe	92
PID 1484 wrote to memory of 4936	1484	malw.exe	94
PID 1484 wrote to memory of 4936	1484	malw.exe	94
PID 1484 wrote to memory of 4936	1484	malw.exe	94
PID 1484 wrote to memory of 4936	1484	malw.exe	94
PID 1484 wrote to memory of 4936	1484	malw.exe	94
PID 1484 wrote to memory of 4936	1484	malw.exe	94
PID 3444 wrote to memory of 2460	3444	Explorer.EXE	95
PID 3444 wrote to memory of 2460	3444	Explorer.EXE	95
PID 3444 wrote to memory of 2460	3444	Explorer.EXE	95
PID 2460 wrote to memory of 224	2460	msiexec.exe	98
PID 2460 wrote to memory of 224	2460	msiexec.exe	98
PID 2460 wrote to memory of 224	2460	msiexec.exe	98

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3444
- 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:1484
- - 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:3624
- - 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:4936
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\SysWOW64\msiexec.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:2460
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\malw.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:224

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ltiaqy5k.5nw.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1484-10-0x0000000006DC0000-0x0000000006E36000-memory.dmp

Filesize
472KB

Download
memory/1484-2-0x0000000005BA0000-0x0000000006144000-memory.dmp

Filesize
5.6MB

Download
memory/1484-9-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download
memory/1484-4-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download
memory/1484-5-0x00000000058B0000-0x00000000058BA000-memory.dmp

Filesize
40KB

Download
memory/1484-6-0x0000000005960000-0x00000000059FC000-memory.dmp

Filesize
624KB

Download
memory/1484-7-0x0000000005B80000-0x0000000005B92000-memory.dmp

Filesize
72KB

Download
memory/1484-8-0x00000000743FE000-0x00000000743FF000-memory.dmp

Filesize
4KB

Download
memory/1484-3-0x00000000056E0000-0x0000000005772000-memory.dmp

Filesize
584KB

Download
memory/1484-1-0x0000000000C60000-0x0000000000CF2000-memory.dmp

Filesize
584KB

Download
memory/1484-0-0x00000000743FE000-0x00000000743FF000-memory.dmp

Filesize
4KB

Download
memory/1484-13-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download
memory/2460-72-0x0000000000C00000-0x0000000000C2F000-memory.dmp

Filesize
188KB

Download
memory/2460-59-0x0000000000EC0000-0x0000000000ED2000-memory.dmp

Filesize
72KB

Download
memory/2460-54-0x0000000000EC0000-0x0000000000ED2000-memory.dmp

Filesize
72KB

Download
memory/2460-51-0x0000000000EC0000-0x0000000000ED2000-memory.dmp

Filesize
72KB

Download
memory/3444-73-0x0000000008160000-0x00000000082EC000-memory.dmp

Filesize
1.5MB

Download
memory/3444-77-0x00000000088C0000-0x00000000089EE000-memory.dmp

Filesize
1.2MB

Download
memory/3444-19-0x0000000008160000-0x00000000082EC000-memory.dmp

Filesize
1.5MB

Download
memory/3624-60-0x00000000080E0000-0x000000000875A000-memory.dmp

Filesize
6.5MB

Download
memory/3624-21-0x00000000058A0000-0x0000000005EC8000-memory.dmp

Filesize
6.2MB

Download
memory/3624-24-0x00000000056A0000-0x00000000056C2000-memory.dmp

Filesize
136KB

Download
memory/3624-26-0x00000000060F0000-0x0000000006156000-memory.dmp

Filesize
408KB

Download
memory/3624-25-0x0000000005ED0000-0x0000000005F36000-memory.dmp

Filesize
408KB

Download
memory/3624-18-0x0000000002E50000-0x0000000002E86000-memory.dmp

Filesize
216KB

Download
memory/3624-36-0x0000000006160000-0x00000000064B4000-memory.dmp

Filesize
3.3MB

Download
memory/3624-37-0x0000000006760000-0x000000000677E000-memory.dmp

Filesize
120KB

Download
memory/3624-38-0x0000000006810000-0x000000000685C000-memory.dmp

Filesize
304KB

Download
memory/3624-40-0x0000000074470000-0x0000000074C20000-memory.dmp

Filesize
7.7MB

Download
memory/3624-39-0x0000000007710000-0x0000000007742000-memory.dmp

Filesize
200KB

Download
memory/3624-41-0x0000000070290000-0x00000000702DC000-memory.dmp

Filesize
304KB

Download
memory/3624-52-0x0000000006D40000-0x0000000006D5E000-memory.dmp

Filesize
120KB

Download
memory/3624-20-0x000000007447E000-0x000000007447F000-memory.dmp

Filesize
4KB

Download
memory/3624-56-0x0000000007960000-0x0000000007A03000-memory.dmp

Filesize
652KB

Download
memory/3624-23-0x0000000074470000-0x0000000074C20000-memory.dmp

Filesize
7.7MB

Download
memory/3624-57-0x0000000074470000-0x0000000074C20000-memory.dmp

Filesize
7.7MB

Download
memory/3624-22-0x0000000074470000-0x0000000074C20000-memory.dmp

Filesize
7.7MB

Download
memory/3624-58-0x0000000074470000-0x0000000074C20000-memory.dmp

Filesize
7.7MB

Download
memory/3624-71-0x0000000074470000-0x0000000074C20000-memory.dmp

Filesize
7.7MB

Download
memory/3624-61-0x0000000007AA0000-0x0000000007ABA000-memory.dmp

Filesize
104KB

Download
memory/3624-62-0x0000000007B10000-0x0000000007B1A000-memory.dmp

Filesize
40KB

Download
memory/3624-63-0x0000000007D20000-0x0000000007DB6000-memory.dmp

Filesize
600KB

Download
memory/3624-64-0x0000000007CC0000-0x0000000007CD1000-memory.dmp

Filesize
68KB

Download
memory/3624-65-0x0000000007CF0000-0x0000000007CFE000-memory.dmp

Filesize
56KB

Download
memory/3624-66-0x0000000007D00000-0x0000000007D14000-memory.dmp

Filesize
80KB

Download
memory/3624-67-0x0000000007E00000-0x0000000007E1A000-memory.dmp

Filesize
104KB

Download
memory/3624-68-0x0000000007DE0000-0x0000000007DE8000-memory.dmp

Filesize
32KB

Download
memory/4936-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4936-17-0x0000000001330000-0x0000000001344000-memory.dmp

Filesize
80KB

Download
memory/4936-14-0x00000000017D0000-0x0000000001B1A000-memory.dmp

Filesize
3.3MB

Download
memory/4936-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download