formbook | 59985a17d6de339280dfdbbd0ab6399e8f9f736de109d41feea5b5f4f46f81f0

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-01-2025 10:47

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General

Target

FinalApprovedPO.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
behavioral2/memory/2672-35-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2868-91-0x0000000000D00000-0x0000000000D2F000-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
4908	powershell.exe
4496	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	FinalApprovedPO.scr

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2508 set thread context of 2672	2508	FinalApprovedPO.scr	95
PID 2672 set thread context of 3568	2672	RegSvcs.exe	56
PID 2868 set thread context of 3568	2868	msdt.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 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	msdt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	FinalApprovedPO.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

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
776	schtasks.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
2508	FinalApprovedPO.scr
2508	FinalApprovedPO.scr
2508	FinalApprovedPO.scr
4908	powershell.exe
4496	powershell.exe
2508	FinalApprovedPO.scr
2672	RegSvcs.exe
2672	RegSvcs.exe
2672	RegSvcs.exe
2672	RegSvcs.exe
4908	powershell.exe
4496	powershell.exe
2868	msdt.exe
2868	msdt.exe
2868	msdt.exe
2868	msdt.exe
2868	msdt.exe
2868	msdt.exe
2868	msdt.exe
2868	msdt.exe
2868	msdt.exe
2868	msdt.exe
2868	msdt.exe
2868	msdt.exe
2868	msdt.exe
2868	msdt.exe
2868	msdt.exe
2868	msdt.exe
2868	msdt.exe
2868	msdt.exe
2868	msdt.exe
2868	msdt.exe
2868	msdt.exe
2868	msdt.exe
2868	msdt.exe
2868	msdt.exe
2868	msdt.exe
2868	msdt.exe
2868	msdt.exe
2868	msdt.exe
2868	msdt.exe
2868	msdt.exe
2868	msdt.exe
2868	msdt.exe
2868	msdt.exe
2868	msdt.exe
2868	msdt.exe
2868	msdt.exe
2868	msdt.exe
2868	msdt.exe
2868	msdt.exe
2868	msdt.exe
2868	msdt.exe
2868	msdt.exe
2868	msdt.exe
2868	msdt.exe
2868	msdt.exe
2868	msdt.exe
2868	msdt.exe
2868	msdt.exe
2868	msdt.exe
2868	msdt.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2672	RegSvcs.exe
2672	RegSvcs.exe
2672	RegSvcs.exe
2868	msdt.exe
2868	msdt.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	2508	FinalApprovedPO.scr
Token: SeDebugPrivilege	4908	powershell.exe
Token: SeDebugPrivilege	4496	powershell.exe
Token: SeDebugPrivilege	2672	RegSvcs.exe
Token: SeShutdownPrivilege	3568	Explorer.EXE
Token: SeCreatePagefilePrivilege	3568	Explorer.EXE
Token: SeShutdownPrivilege	3568	Explorer.EXE
Token: SeCreatePagefilePrivilege	3568	Explorer.EXE
Token: SeDebugPrivilege	2868	msdt.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2508 wrote to memory of 4908	2508	FinalApprovedPO.scr	89
PID 2508 wrote to memory of 4908	2508	FinalApprovedPO.scr	89
PID 2508 wrote to memory of 4908	2508	FinalApprovedPO.scr	89
PID 2508 wrote to memory of 4496	2508	FinalApprovedPO.scr	91
PID 2508 wrote to memory of 4496	2508	FinalApprovedPO.scr	91
PID 2508 wrote to memory of 4496	2508	FinalApprovedPO.scr	91
PID 2508 wrote to memory of 776	2508	FinalApprovedPO.scr	93
PID 2508 wrote to memory of 776	2508	FinalApprovedPO.scr	93
PID 2508 wrote to memory of 776	2508	FinalApprovedPO.scr	93
PID 2508 wrote to memory of 2672	2508	FinalApprovedPO.scr	95
PID 2508 wrote to memory of 2672	2508	FinalApprovedPO.scr	95
PID 2508 wrote to memory of 2672	2508	FinalApprovedPO.scr	95
PID 2508 wrote to memory of 2672	2508	FinalApprovedPO.scr	95
PID 2508 wrote to memory of 2672	2508	FinalApprovedPO.scr	95
PID 2508 wrote to memory of 2672	2508	FinalApprovedPO.scr	95
PID 3568 wrote to memory of 2868	3568	Explorer.EXE	96
PID 3568 wrote to memory of 2868	3568	Explorer.EXE	96
PID 3568 wrote to memory of 2868	3568	Explorer.EXE	96
PID 2868 wrote to memory of 1236	2868	msdt.exe	97
PID 2868 wrote to memory of 1236	2868	msdt.exe	97
PID 2868 wrote to memory of 1236	2868	msdt.exe	97

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3568
- C:\Users\Admin\AppData\Local\Temp\FinalApprovedPO.scr
  "C:\Users\Admin\AppData\Local\Temp\FinalApprovedPO.scr" /S
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2508
- - 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\FinalApprovedPO.scr"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4908
- - 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:4496
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kCpsUhyCPjSiry" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF359.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:776
- - 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:2672
- C:\Windows\SysWOW64\msdt.exe
  "C:\Windows\SysWOW64\msdt.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:2868
- - 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:1236

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

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\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
3d086a433708053f9bf9523e1d87a4e8

SHA1
b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

SHA256
6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

SHA512
931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

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

Filesize
18KB

MD5
282a50c145f2d0d93e062ce8363ce151

SHA1
4d10f2ea06e754371e9f0b7570e3ce6e68d1f582

SHA256
416a402d73c8ed18e811bff28f2c0bd0bc79b14d9bfeb156b6e9fb1ae8903bbe

SHA512
19537d243280c7b204497b169dfe237dac73299d428b475f59662c2434037e25d0a24f15f228ca0270647663f1d31561cdc75959475c3ed0b27ee498198d365e

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_u5vxl0c0.1yk.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpF359.tmp

Filesize
1KB

MD5
b0a949f84f3c2daaada1f7180accf24e

SHA1
2c65e96f1febe2af34c115731d199ef5c0be4f1d

SHA256
fa4ba13916d30de1ef7087d82c552438a0aa7f777c0a4d3d55342840fb7e4123

SHA512
8200e92166c554381e09edfc70a9162701fba1b8785027931b8507d24a3745f148c4ef5516cdd392d50abebb255cafe1bc3c3233267c6c359107ff2e691c85ea

Download Submit
memory/2508-6-0x00000000051D0000-0x00000000051F6000-memory.dmp

Filesize
152KB

Download
memory/2508-4-0x0000000004CA0000-0x0000000004CAA000-memory.dmp

Filesize
40KB

Download
memory/2508-48-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/2508-7-0x000000007474E000-0x000000007474F000-memory.dmp

Filesize
4KB

Download
memory/2508-8-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/2508-9-0x00000000046E0000-0x0000000004758000-memory.dmp

Filesize
480KB

Download
memory/2508-10-0x000000000BBE0000-0x000000000BC7C000-memory.dmp

Filesize
624KB

Download
memory/2508-0-0x000000007474E000-0x000000007474F000-memory.dmp

Filesize
4KB

Download
memory/2508-1-0x0000000000330000-0x00000000003EA000-memory.dmp

Filesize
744KB

Download
memory/2508-2-0x0000000005290000-0x0000000005834000-memory.dmp

Filesize
5.6MB

Download
memory/2508-3-0x0000000004CE0000-0x0000000004D72000-memory.dmp

Filesize
584KB

Download
memory/2508-5-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/2672-35-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2868-90-0x00000000002E0000-0x0000000000337000-memory.dmp

Filesize
348KB

Download
memory/2868-91-0x0000000000D00000-0x0000000000D2F000-memory.dmp

Filesize
188KB

Download
memory/3568-95-0x00000000084B0000-0x0000000008613000-memory.dmp

Filesize
1.4MB

Download
memory/4496-88-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/4496-21-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/4496-82-0x0000000007900000-0x0000000007908000-memory.dmp

Filesize
32KB

Download
memory/4496-36-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/4496-81-0x0000000007920000-0x000000000793A000-memory.dmp

Filesize
104KB

Download
memory/4496-66-0x0000000074FD0000-0x000000007501C000-memory.dmp

Filesize
304KB

Download
memory/4908-23-0x0000000004E80000-0x0000000004EE6000-memory.dmp

Filesize
408KB

Download
memory/4908-50-0x0000000006300000-0x000000000634C000-memory.dmp

Filesize
304KB

Download
memory/4908-51-0x0000000006370000-0x00000000063A2000-memory.dmp

Filesize
200KB

Download
memory/4908-52-0x0000000074FD0000-0x000000007501C000-memory.dmp

Filesize
304KB

Download
memory/4908-62-0x0000000006F80000-0x0000000006F9E000-memory.dmp

Filesize
120KB

Download
memory/4908-63-0x0000000006FA0000-0x0000000007043000-memory.dmp

Filesize
652KB

Download
memory/4908-49-0x0000000005D90000-0x0000000005DAE000-memory.dmp

Filesize
120KB

Download
memory/4908-64-0x0000000007720000-0x0000000007D9A000-memory.dmp

Filesize
6.5MB

Download
memory/4908-65-0x00000000070D0000-0x00000000070EA000-memory.dmp

Filesize
104KB

Download
memory/4908-76-0x0000000007150000-0x000000000715A000-memory.dmp

Filesize
40KB

Download
memory/4908-77-0x0000000007350000-0x00000000073E6000-memory.dmp

Filesize
600KB

Download
memory/4908-78-0x00000000072D0000-0x00000000072E1000-memory.dmp

Filesize
68KB

Download
memory/4908-79-0x0000000007300000-0x000000000730E000-memory.dmp

Filesize
56KB

Download
memory/4908-80-0x0000000007310000-0x0000000007324000-memory.dmp

Filesize
80KB

Download
memory/4908-24-0x0000000004F60000-0x0000000004FC6000-memory.dmp

Filesize
408KB

Download
memory/4908-34-0x00000000058B0000-0x0000000005C04000-memory.dmp

Filesize
3.3MB

Download
memory/4908-22-0x0000000004CE0000-0x0000000004D02000-memory.dmp

Filesize
136KB

Download
memory/4908-20-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/4908-89-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/4908-18-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/4908-17-0x0000000005180000-0x00000000057A8000-memory.dmp

Filesize
6.2MB

Download
memory/4908-16-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/4908-15-0x0000000000BF0000-0x0000000000C26000-memory.dmp

Filesize
216KB

Download