formbook | 17b0a93d47762eaa5fa2f7e88cd664103cf7d106905d3d7a637a21b802481f13

Analysis

max time kernel
146s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-10-2024 13:01

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General

Target

z1Ordendecompra10072OC9957pdf.exe
Size

642KB
MD5

98530c06c4cf0b8cf91fc7491ca9cd67
SHA1

0da058ce55b50735d3d4990b06ac57b02fc71aa0
SHA256

17b0a93d47762eaa5fa2f7e88cd664103cf7d106905d3d7a637a21b802481f13
SHA512

37ccdaa8b93d6d852a140dbcaf4df33bc4928c98ac80b757014c704f3de91689d54de8185c0465ed380fc11c7d48fb93b8fc7a2bab7b6bb7383c8cdc87a1c5a6
SSDEEP

12288:ArkhMOoltiJ/c7eqjJ5tdMFnJgMC9XUKeZ0SMGzkZVlLy/S2lLc26pf9gm:Arkh5oDiJ/cCqjHnLMckpEGzkZVN4c2N

Score

10^/10

formbook gy15 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

gy15

Decoy

hairsdeals.today

acob-saaad.buzz

9955.club

gild6222.vip

nline-shopping-56055.bond

lmadulles.top

utemodels.info

ighdd4675.online

nqqkk146.xyz

avasales.online

ortas-de-madeira.today

haad.xyz

races-dental-splints-15439.bond

hilohcreekpemf.online

rrivalgetaways.info

orktoday-2507-02-sap.click

eceriyayinlari.xyz

lsurfer.click

aston-saaae.buzz

etrot.pro

Signatures

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

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral2/memory/4968-20-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4968-26-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4968-74-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3500-77-0x0000000000DB0000-0x0000000000DDF000-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
1240	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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	z1Ordendecompra10072OC9957pdf.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 3256 set thread context of 4968	3256	z1Ordendecompra10072OC9957pdf.exe	101
PID 4968 set thread context of 3536	4968	RegSvcs.exe	56
PID 4968 set thread context of 3536	4968	RegSvcs.exe	56
PID 3500 set thread context of 3536	3500	ipconfig.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 5 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	z1Ordendecompra10072OC9957pdf.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	ipconfig.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
3500	ipconfig.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Explorer.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
4320	schtasks.exe

Suspicious behavior: EnumeratesProcesses 58 IoCs

pid	Process
3256	z1Ordendecompra10072OC9957pdf.exe
3256	z1Ordendecompra10072OC9957pdf.exe
4968	RegSvcs.exe
4968	RegSvcs.exe
4968	RegSvcs.exe
4968	RegSvcs.exe
1240	powershell.exe
1240	powershell.exe
4968	RegSvcs.exe
4968	RegSvcs.exe
3500	ipconfig.exe
3500	ipconfig.exe
3500	ipconfig.exe
3500	ipconfig.exe
3500	ipconfig.exe
3500	ipconfig.exe
3500	ipconfig.exe
3500	ipconfig.exe
3500	ipconfig.exe
3500	ipconfig.exe
3500	ipconfig.exe
3500	ipconfig.exe
3500	ipconfig.exe
3500	ipconfig.exe
3500	ipconfig.exe
3500	ipconfig.exe
3500	ipconfig.exe
3500	ipconfig.exe
3500	ipconfig.exe
3500	ipconfig.exe
3500	ipconfig.exe
3500	ipconfig.exe
3500	ipconfig.exe
3500	ipconfig.exe
3500	ipconfig.exe
3500	ipconfig.exe
3500	ipconfig.exe
3500	ipconfig.exe
3500	ipconfig.exe
3500	ipconfig.exe
3500	ipconfig.exe
3500	ipconfig.exe
3500	ipconfig.exe
3500	ipconfig.exe
3500	ipconfig.exe
3500	ipconfig.exe
3500	ipconfig.exe
3500	ipconfig.exe
3500	ipconfig.exe
3500	ipconfig.exe
3500	ipconfig.exe
3500	ipconfig.exe
3500	ipconfig.exe
3500	ipconfig.exe
3500	ipconfig.exe
3500	ipconfig.exe
3500	ipconfig.exe
3500	ipconfig.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
4968	RegSvcs.exe
4968	RegSvcs.exe
4968	RegSvcs.exe
4968	RegSvcs.exe
3500	ipconfig.exe
3500	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	3256	z1Ordendecompra10072OC9957pdf.exe
Token: SeDebugPrivilege	4968	RegSvcs.exe
Token: SeDebugPrivilege	1240	powershell.exe
Token: SeShutdownPrivilege	3536	Explorer.EXE
Token: SeCreatePagefilePrivilege	3536	Explorer.EXE
Token: SeDebugPrivilege	3500	ipconfig.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3536	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 3256 wrote to memory of 1240	3256	z1Ordendecompra10072OC9957pdf.exe	97
PID 3256 wrote to memory of 1240	3256	z1Ordendecompra10072OC9957pdf.exe	97
PID 3256 wrote to memory of 1240	3256	z1Ordendecompra10072OC9957pdf.exe	97
PID 3256 wrote to memory of 4320	3256	z1Ordendecompra10072OC9957pdf.exe	99
PID 3256 wrote to memory of 4320	3256	z1Ordendecompra10072OC9957pdf.exe	99
PID 3256 wrote to memory of 4320	3256	z1Ordendecompra10072OC9957pdf.exe	99
PID 3256 wrote to memory of 4968	3256	z1Ordendecompra10072OC9957pdf.exe	101
PID 3256 wrote to memory of 4968	3256	z1Ordendecompra10072OC9957pdf.exe	101
PID 3256 wrote to memory of 4968	3256	z1Ordendecompra10072OC9957pdf.exe	101
PID 3256 wrote to memory of 4968	3256	z1Ordendecompra10072OC9957pdf.exe	101
PID 3256 wrote to memory of 4968	3256	z1Ordendecompra10072OC9957pdf.exe	101
PID 3256 wrote to memory of 4968	3256	z1Ordendecompra10072OC9957pdf.exe	101
PID 3536 wrote to memory of 3500	3536	Explorer.EXE	102
PID 3536 wrote to memory of 3500	3536	Explorer.EXE	102
PID 3536 wrote to memory of 3500	3536	Explorer.EXE	102
PID 3500 wrote to memory of 4404	3500	ipconfig.exe	103
PID 3500 wrote to memory of 4404	3500	ipconfig.exe	103
PID 3500 wrote to memory of 4404	3500	ipconfig.exe	103

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3536
- C:\Users\Admin\AppData\Local\Temp\z1Ordendecompra10072OC9957pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\z1Ordendecompra10072OC9957pdf.exe"
  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:3256
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\AflvmgKC.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1240
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AflvmgKC" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE6D6.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4320
- - 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:4968
- C:\Windows\SysWOW64\ipconfig.exe
  "C:\Windows\SysWOW64\ipconfig.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Gathers network information
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3500
- - 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:4404

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_s0d3ow5r.l4e.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpE6D6.tmp

Filesize
1KB

MD5
3425e8ab5b91becad5a13dd1000dd9da

SHA1
fa73d7f6ce4bd2b9d0d79fc1220e28b4f89bc52d

SHA256
6c205807e5001377d3c0ab79048d3b732933c391a66216a8ef018f85f4922614

SHA512
3904f8dcb607a0cd66bbe55543c5145827fc047d5d78b1253e808e7c996252dd4c41209a4ca45836dea85761aa3514641d3fd8f12af58163322ebb865ad392fa

Download Submit
memory/1240-30-0x0000000004F80000-0x0000000004FE6000-memory.dmp

Filesize
408KB

Download
memory/1240-62-0x0000000007240000-0x000000000724A000-memory.dmp

Filesize
40KB

Download
memory/1240-17-0x0000000074EB0000-0x0000000075660000-memory.dmp

Filesize
7.7MB

Download
memory/1240-42-0x0000000005EA0000-0x0000000005EBE000-memory.dmp

Filesize
120KB

Download
memory/1240-72-0x0000000074EB0000-0x0000000075660000-memory.dmp

Filesize
7.7MB

Download
memory/1240-69-0x00000000074F0000-0x00000000074F8000-memory.dmp

Filesize
32KB

Download
memory/1240-41-0x00000000058C0000-0x0000000005C14000-memory.dmp

Filesize
3.3MB

Download
memory/1240-68-0x0000000007510000-0x000000000752A000-memory.dmp

Filesize
104KB

Download
memory/1240-67-0x0000000007410000-0x0000000007424000-memory.dmp

Filesize
80KB

Download
memory/1240-66-0x0000000007400000-0x000000000740E000-memory.dmp

Filesize
56KB

Download
memory/1240-65-0x0000000074EB0000-0x0000000075660000-memory.dmp

Filesize
7.7MB

Download
memory/1240-64-0x00000000073D0000-0x00000000073E1000-memory.dmp

Filesize
68KB

Download
memory/1240-19-0x0000000074EB0000-0x0000000075660000-memory.dmp

Filesize
7.7MB

Download
memory/1240-63-0x0000000007450000-0x00000000074E6000-memory.dmp

Filesize
600KB

Download
memory/1240-21-0x0000000074EB0000-0x0000000075660000-memory.dmp

Filesize
7.7MB

Download
memory/1240-45-0x0000000006E50000-0x0000000006E82000-memory.dmp

Filesize
200KB

Download
memory/1240-61-0x00000000071D0000-0x00000000071EA000-memory.dmp

Filesize
104KB

Download
memory/1240-60-0x0000000007810000-0x0000000007E8A000-memory.dmp

Filesize
6.5MB

Download
memory/1240-15-0x00000000025A0000-0x00000000025D6000-memory.dmp

Filesize
216KB

Download
memory/1240-59-0x0000000006E90000-0x0000000006F33000-memory.dmp

Filesize
652KB

Download
memory/1240-29-0x0000000004DE0000-0x0000000004E02000-memory.dmp

Filesize
136KB

Download
memory/1240-58-0x0000000006470000-0x000000000648E000-memory.dmp

Filesize
120KB

Download
memory/1240-31-0x0000000005850000-0x00000000058B6000-memory.dmp

Filesize
408KB

Download
memory/1240-18-0x00000000051B0000-0x00000000057D8000-memory.dmp

Filesize
6.2MB

Download
memory/1240-56-0x0000000002600000-0x0000000002610000-memory.dmp

Filesize
64KB

Download
memory/1240-57-0x0000000002600000-0x0000000002610000-memory.dmp

Filesize
64KB

Download
memory/1240-46-0x0000000071770000-0x00000000717BC000-memory.dmp

Filesize
304KB

Download
memory/1240-43-0x0000000005EF0000-0x0000000005F3C000-memory.dmp

Filesize
304KB

Download
memory/1240-44-0x000000007FB60000-0x000000007FB70000-memory.dmp

Filesize
64KB

Download
memory/3256-9-0x0000000074EB0000-0x0000000075660000-memory.dmp

Filesize
7.7MB

Download
memory/3256-7-0x0000000005DE0000-0x0000000005DFC000-memory.dmp

Filesize
112KB

Download
memory/3256-3-0x0000000005980000-0x0000000005A12000-memory.dmp

Filesize
584KB

Download
memory/3256-0-0x0000000074EBE000-0x0000000074EBF000-memory.dmp

Filesize
4KB

Download
memory/3256-1-0x0000000000FB0000-0x0000000001056000-memory.dmp

Filesize
664KB

Download
memory/3256-2-0x0000000005E90000-0x0000000006434000-memory.dmp

Filesize
5.6MB

Download
memory/3256-24-0x0000000074EB0000-0x0000000075660000-memory.dmp

Filesize
7.7MB

Download
memory/3256-4-0x0000000074EB0000-0x0000000075660000-memory.dmp

Filesize
7.7MB

Download
memory/3256-5-0x0000000005920000-0x000000000592A000-memory.dmp

Filesize
40KB

Download
memory/3256-10-0x0000000006EB0000-0x0000000006F26000-memory.dmp

Filesize
472KB

Download
memory/3256-8-0x0000000074EBE000-0x0000000074EBF000-memory.dmp

Filesize
4KB

Download
memory/3256-6-0x0000000005C20000-0x0000000005CBC000-memory.dmp

Filesize
624KB

Download
memory/3500-77-0x0000000000DB0000-0x0000000000DDF000-memory.dmp

Filesize
188KB

Download
memory/3500-76-0x0000000000E20000-0x0000000000E2B000-memory.dmp

Filesize
44KB

Download
memory/3536-75-0x0000000008A70000-0x0000000008C17000-memory.dmp

Filesize
1.7MB

Download
memory/3536-28-0x0000000008A70000-0x0000000008C17000-memory.dmp

Filesize
1.7MB

Download
memory/3536-81-0x00000000033D0000-0x0000000003481000-memory.dmp

Filesize
708KB

Download
memory/4968-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4968-23-0x0000000000F40000-0x000000000128A000-memory.dmp

Filesize
3.3MB

Download
memory/4968-27-0x0000000000A90000-0x0000000000AA4000-memory.dmp

Filesize
80KB

Download
memory/4968-26-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4968-74-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download