formbook | 59985a17d6de339280dfdbbd0ab6399e8f9f736de109d41feea5b5f4f46f81f0

Analysis

max time kernel
145s
max time network
119s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
20-01-2025 10:36

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General

Target

Final Approved PO.scr
Size

736KB
MD5

92f57354478728b4b1982d2acfe79393
SHA1

5d8dde6e098981b329149bd0b87eb42baab32b32
SHA256

59985a17d6de339280dfdbbd0ab6399e8f9f736de109d41feea5b5f4f46f81f0
SHA512

6c7d00322951dd459f77cd27ae449c46d65b9e88b85b0df2b3c745a4bbe7ef0562a17e620dda84d4366e71936131a5214c7dd81eb1714dff86cb654e27c2d28b
SSDEEP

12288:E5/6/hRSUun6oxsGv7dgTnvtHOUL2zoVbpig9GrghiAExkR:c6On627dgTn1BCzoVFig9GrUiAEs

Score

10^/10

formbook g43m discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

g43m

Decoy

8328.shop

kronoseletronicos.online

pasanghoki3.homes

comitatogroscavallo.info

online-advertising-96729.bond

cpt1025.top

news-xzurufo.xyz

zycr.shop

loanplan.xyz

osipovs.digital

pgflow.cloud

alooytv17.shop

swirlstakedtawkee.cloud

sipoja.shop

senior-living-17169.bond

junepages.online

heavydutyweld.shop

smarminds.xyz

alistika.info

staplerl.shop

Signatures

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

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral1/memory/1896-24-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2384-28-0x0000000000080000-0x00000000000AF000-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
2360	powershell.exe
2996	powershell.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3052 set thread context of 1896	3052	Final Approved PO.scr	37
PID 1896 set thread context of 1236	1896	RegSvcs.exe	21
PID 2384 set thread context of 1236	2384	wlanext.exe	21

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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Final Approved PO.scr
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
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	wlanext.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
2580	schtasks.exe

Suspicious behavior: EnumeratesProcesses 35 IoCs

pid	Process
3052	Final Approved PO.scr
3052	Final Approved PO.scr
3052	Final Approved PO.scr
3052	Final Approved PO.scr
3052	Final Approved PO.scr
3052	Final Approved PO.scr
2360	powershell.exe
2996	powershell.exe
1896	RegSvcs.exe
1896	RegSvcs.exe
2384	wlanext.exe
2384	wlanext.exe
2384	wlanext.exe
2384	wlanext.exe
2384	wlanext.exe
2384	wlanext.exe
2384	wlanext.exe
2384	wlanext.exe
2384	wlanext.exe
2384	wlanext.exe
2384	wlanext.exe
2384	wlanext.exe
2384	wlanext.exe
2384	wlanext.exe
2384	wlanext.exe
2384	wlanext.exe
2384	wlanext.exe
2384	wlanext.exe
2384	wlanext.exe
2384	wlanext.exe
2384	wlanext.exe
2384	wlanext.exe
2384	wlanext.exe
2384	wlanext.exe
2384	wlanext.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
1896	RegSvcs.exe
1896	RegSvcs.exe
1896	RegSvcs.exe
2384	wlanext.exe
2384	wlanext.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	3052	Final Approved PO.scr
Token: SeDebugPrivilege	2360	powershell.exe
Token: SeDebugPrivilege	2996	powershell.exe
Token: SeDebugPrivilege	1896	RegSvcs.exe
Token: SeDebugPrivilege	2384	wlanext.exe

Suspicious use of WriteProcessMemory 37 IoCs

description	pid	Process	procid_target
PID 3052 wrote to memory of 2360	3052	Final Approved PO.scr	30
PID 3052 wrote to memory of 2360	3052	Final Approved PO.scr	30
PID 3052 wrote to memory of 2360	3052	Final Approved PO.scr	30
PID 3052 wrote to memory of 2360	3052	Final Approved PO.scr	30
PID 3052 wrote to memory of 2996	3052	Final Approved PO.scr	32
PID 3052 wrote to memory of 2996	3052	Final Approved PO.scr	32
PID 3052 wrote to memory of 2996	3052	Final Approved PO.scr	32
PID 3052 wrote to memory of 2996	3052	Final Approved PO.scr	32
PID 3052 wrote to memory of 2580	3052	Final Approved PO.scr	34
PID 3052 wrote to memory of 2580	3052	Final Approved PO.scr	34
PID 3052 wrote to memory of 2580	3052	Final Approved PO.scr	34
PID 3052 wrote to memory of 2580	3052	Final Approved PO.scr	34
PID 3052 wrote to memory of 1760	3052	Final Approved PO.scr	36
PID 3052 wrote to memory of 1760	3052	Final Approved PO.scr	36
PID 3052 wrote to memory of 1760	3052	Final Approved PO.scr	36
PID 3052 wrote to memory of 1760	3052	Final Approved PO.scr	36
PID 3052 wrote to memory of 1760	3052	Final Approved PO.scr	36
PID 3052 wrote to memory of 1760	3052	Final Approved PO.scr	36
PID 3052 wrote to memory of 1760	3052	Final Approved PO.scr	36
PID 3052 wrote to memory of 1896	3052	Final Approved PO.scr	37
PID 3052 wrote to memory of 1896	3052	Final Approved PO.scr	37
PID 3052 wrote to memory of 1896	3052	Final Approved PO.scr	37
PID 3052 wrote to memory of 1896	3052	Final Approved PO.scr	37
PID 3052 wrote to memory of 1896	3052	Final Approved PO.scr	37
PID 3052 wrote to memory of 1896	3052	Final Approved PO.scr	37
PID 3052 wrote to memory of 1896	3052	Final Approved PO.scr	37
PID 3052 wrote to memory of 1896	3052	Final Approved PO.scr	37
PID 3052 wrote to memory of 1896	3052	Final Approved PO.scr	37
PID 3052 wrote to memory of 1896	3052	Final Approved PO.scr	37
PID 1236 wrote to memory of 2384	1236	Explorer.EXE	38
PID 1236 wrote to memory of 2384	1236	Explorer.EXE	38
PID 1236 wrote to memory of 2384	1236	Explorer.EXE	38
PID 1236 wrote to memory of 2384	1236	Explorer.EXE	38
PID 2384 wrote to memory of 1684	2384	wlanext.exe	39
PID 2384 wrote to memory of 1684	2384	wlanext.exe	39
PID 2384 wrote to memory of 1684	2384	wlanext.exe	39
PID 2384 wrote to memory of 1684	2384	wlanext.exe	39

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1236
- C:\Users\Admin\AppData\Local\Temp\Final Approved PO.scr
  "C:\Users\Admin\AppData\Local\Temp\Final Approved PO.scr" /S
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3052
- - 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\Final Approved PO.scr"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2360
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\kCpsUhyCPjSiry.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2996
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kCpsUhyCPjSiry" /XML "C:\Users\Admin\AppData\Local\Temp\tmp75CC.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2580
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:1760
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1896
- 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:2384
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1684

Network

MITRE ATT&CK Enterprise v15

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp75CC.tmp

Filesize
1KB

MD5
4142fd1dcba8b2b7e59080101e780ad6

SHA1
5cc8ea73c8f11543ed88be38a5b7c34a9dc4b881

SHA256
7c3ac8aaa48d1201ceac50ceb8d0adbcfdbe343f1c8d3a47061095483f16710a

SHA512
c840edc931b4c104c211a7b46439a6a24a6456fbc6ab0a36fafcc07d3d6a497958d6a477944c132daf56fbbb356d0dd6022e6b27dd336fd663c3c077b9e9ce74

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
fcfb5874ae72ee44157b0f512a6f424e

SHA1
6f441e19c6b3477e1c3bbd4cb710a75eb3bd5100

SHA256
ba779faa65e04adb53c4739f45a300cf1dbf0b6b5f2f24c4ae1d4c4e97c6af6e

SHA512
41f776f9ab72d0c4a3df87d31b37049e55766b0f99027e68666bdfad68e4b4230dacb19710331a4b468c3b303eef4610e4c9fd9a44c1f39f30df71b5ed46a7e8

Download Submit
memory/1896-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1896-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1896-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1896-24-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2384-28-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2384-27-0x0000000000F50000-0x0000000000F66000-memory.dmp

Filesize
88KB

Download
memory/3052-6-0x0000000000770000-0x00000000007E8000-memory.dmp

Filesize
480KB

Download
memory/3052-1-0x00000000012B0000-0x000000000136A000-memory.dmp

Filesize
744KB

Download
memory/3052-2-0x0000000073F50000-0x000000007463E000-memory.dmp

Filesize
6.9MB

Download
memory/3052-3-0x0000000000450000-0x0000000000476000-memory.dmp

Filesize
152KB

Download
memory/3052-0-0x0000000073F5E000-0x0000000073F5F000-memory.dmp

Filesize
4KB

Download
memory/3052-26-0x0000000073F50000-0x000000007463E000-memory.dmp

Filesize
6.9MB

Download
memory/3052-5-0x0000000073F50000-0x000000007463E000-memory.dmp

Filesize
6.9MB

Download
memory/3052-4-0x0000000073F5E000-0x0000000073F5F000-memory.dmp

Filesize
4KB

Download