formbook | 320aa8c92e7c70266b35c8a5fc38ed069d68e6e1403b3ce56bab93fbd349d890

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-10-2024 14:25

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General

Target

PO23000251.exe
Size

604KB
MD5

7151c1fc12551a189cf6760f2decb54b
SHA1

afff9a2b21ed9934691b71bd3b22f184690ec909
SHA256

320aa8c92e7c70266b35c8a5fc38ed069d68e6e1403b3ce56bab93fbd349d890
SHA512

bd13aa406ec36c4077a730ebe5947027638929874c2bb02cf72f267c7ed7877b309589613d45720bdc4afe68e54a17666f87c11ff719ccc519812224c5869d63
SSDEEP

12288:SczC2XO/ixYJPRtwS5xSeRvIMC6BjxB4KOvriMT3eftntB:e2XO/AcPRWQxFqM5BjIjTOVn

Score

10^/10

formbook cu29 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

cu29

Decoy

qidr.shop

usinessaviationconsulting.net

68716329.xyz

nd-los.net

ealthironcladguarantee.shop

oftware-download-69354.bond

48372305.top

omeownershub.top

mall-chilli.top

ajakgoid.online

ire-changer-53482.bond

rugsrx.shop

oyang123.info

azino-forum-pro.online

817715.rest

layman.vip

eb777.club

ovatonica.net

urgaslotvip.website

inn-paaaa.buzz

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/3420-12-0x00000000067E0000-0x000000000680F000-memory.dmp	formbook
behavioral2/memory/4876-24-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3056-71-0x0000000000F70000-0x0000000000F9F000-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
4924	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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	PO23000251.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3420 set thread context of 4876	3420	PO23000251.exe	96
PID 4876 set thread context of 3496	4876	PO23000251.exe	56
PID 3056 set thread context of 3496	3056	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 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	PO23000251.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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
3056	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
3420	PO23000251.exe
3420	PO23000251.exe
4876	PO23000251.exe
4876	PO23000251.exe
4876	PO23000251.exe
4876	PO23000251.exe
4924	powershell.exe
4924	powershell.exe
3056	ipconfig.exe
3056	ipconfig.exe
3056	ipconfig.exe
3056	ipconfig.exe
3056	ipconfig.exe
3056	ipconfig.exe
3056	ipconfig.exe
3056	ipconfig.exe
3056	ipconfig.exe
3056	ipconfig.exe
3056	ipconfig.exe
3056	ipconfig.exe
3056	ipconfig.exe
3056	ipconfig.exe
3056	ipconfig.exe
3056	ipconfig.exe
3056	ipconfig.exe
3056	ipconfig.exe
3056	ipconfig.exe
3056	ipconfig.exe
3056	ipconfig.exe
3056	ipconfig.exe
3056	ipconfig.exe
3056	ipconfig.exe
3056	ipconfig.exe
3056	ipconfig.exe
3056	ipconfig.exe
3056	ipconfig.exe
3056	ipconfig.exe
3056	ipconfig.exe
3056	ipconfig.exe
3056	ipconfig.exe
3056	ipconfig.exe
3056	ipconfig.exe
3056	ipconfig.exe
3056	ipconfig.exe
3056	ipconfig.exe
3056	ipconfig.exe
3056	ipconfig.exe
3056	ipconfig.exe
3056	ipconfig.exe
3056	ipconfig.exe
3056	ipconfig.exe
3056	ipconfig.exe
3056	ipconfig.exe
3056	ipconfig.exe
3056	ipconfig.exe
3056	ipconfig.exe
3056	ipconfig.exe
3056	ipconfig.exe
3056	ipconfig.exe
3056	ipconfig.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
4876	PO23000251.exe
4876	PO23000251.exe
4876	PO23000251.exe
3056	ipconfig.exe
3056	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	3420	PO23000251.exe
Token: SeDebugPrivilege	4876	PO23000251.exe
Token: SeDebugPrivilege	4924	powershell.exe
Token: SeDebugPrivilege	3056	ipconfig.exe
Token: SeShutdownPrivilege	3496	Explorer.EXE
Token: SeCreatePagefilePrivilege	3496	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3496	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3420 wrote to memory of 4924	3420	PO23000251.exe	94
PID 3420 wrote to memory of 4924	3420	PO23000251.exe	94
PID 3420 wrote to memory of 4924	3420	PO23000251.exe	94
PID 3420 wrote to memory of 4876	3420	PO23000251.exe	96
PID 3420 wrote to memory of 4876	3420	PO23000251.exe	96
PID 3420 wrote to memory of 4876	3420	PO23000251.exe	96
PID 3420 wrote to memory of 4876	3420	PO23000251.exe	96
PID 3420 wrote to memory of 4876	3420	PO23000251.exe	96
PID 3420 wrote to memory of 4876	3420	PO23000251.exe	96
PID 3496 wrote to memory of 3056	3496	Explorer.EXE	97
PID 3496 wrote to memory of 3056	3496	Explorer.EXE	97
PID 3496 wrote to memory of 3056	3496	Explorer.EXE	97
PID 3056 wrote to memory of 2296	3056	ipconfig.exe	98
PID 3056 wrote to memory of 2296	3056	ipconfig.exe	98
PID 3056 wrote to memory of 2296	3056	ipconfig.exe	98

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3496
- C:\Users\Admin\AppData\Local\Temp\PO23000251.exe
  "C:\Users\Admin\AppData\Local\Temp\PO23000251.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:3420
- - 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\PO23000251.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4924
- - C:\Users\Admin\AppData\Local\Temp\PO23000251.exe
    "C:\Users\Admin\AppData\Local\Temp\PO23000251.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4876
- 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:3056
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\PO23000251.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2296

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_d3cqk5we.my1.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/3056-60-0x0000000000620000-0x000000000062B000-memory.dmp

Filesize
44KB

Download
memory/3056-61-0x0000000000620000-0x000000000062B000-memory.dmp

Filesize
44KB

Download
memory/3056-71-0x0000000000F70000-0x0000000000F9F000-memory.dmp

Filesize
188KB

Download
memory/3420-9-0x000000007483E000-0x000000007483F000-memory.dmp

Filesize
4KB

Download
memory/3420-10-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download
memory/3420-3-0x0000000004EA0000-0x0000000004F32000-memory.dmp

Filesize
584KB

Download
memory/3420-4-0x0000000005010000-0x0000000005364000-memory.dmp

Filesize
3.3MB

Download
memory/3420-5-0x0000000004F40000-0x0000000004F4A000-memory.dmp

Filesize
40KB

Download
memory/3420-6-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download
memory/3420-7-0x0000000005AA0000-0x0000000005B3C000-memory.dmp

Filesize
624KB

Download
memory/3420-8-0x0000000005A70000-0x0000000005A82000-memory.dmp

Filesize
72KB

Download
memory/3420-1-0x00000000003D0000-0x000000000046A000-memory.dmp

Filesize
616KB

Download
memory/3420-2-0x00000000053B0000-0x0000000005954000-memory.dmp

Filesize
5.6MB

Download
memory/3420-11-0x0000000006A00000-0x0000000006A76000-memory.dmp

Filesize
472KB

Download
memory/3420-12-0x00000000067E0000-0x000000000680F000-memory.dmp

Filesize
188KB

Download
memory/3420-15-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download
memory/3420-0-0x000000007483E000-0x000000007483F000-memory.dmp

Filesize
4KB

Download
memory/3496-74-0x0000000008400000-0x00000000084EC000-memory.dmp

Filesize
944KB

Download
memory/3496-23-0x00000000029B0000-0x0000000002AAF000-memory.dmp

Filesize
1020KB

Download
memory/3496-70-0x00000000029B0000-0x0000000002AAF000-memory.dmp

Filesize
1020KB

Download
memory/4876-16-0x0000000001370000-0x00000000016BA000-memory.dmp

Filesize
3.3MB

Download
memory/4876-24-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4876-22-0x0000000000EB0000-0x0000000000EC5000-memory.dmp

Filesize
84KB

Download
memory/4924-17-0x00000000748DE000-0x00000000748DF000-memory.dmp

Filesize
4KB

Download
memory/4924-55-0x0000000007CB0000-0x000000000832A000-memory.dmp

Filesize
6.5MB

Download
memory/4924-27-0x0000000005D10000-0x0000000005D76000-memory.dmp

Filesize
408KB

Download
memory/4924-25-0x00000000052F0000-0x0000000005312000-memory.dmp

Filesize
136KB

Download
memory/4924-33-0x0000000005D80000-0x00000000060D4000-memory.dmp

Filesize
3.3MB

Download
memory/4924-38-0x0000000006350000-0x000000000636E000-memory.dmp

Filesize
120KB

Download
memory/4924-39-0x00000000068D0000-0x000000000691C000-memory.dmp

Filesize
304KB

Download
memory/4924-40-0x000000007FBB0000-0x000000007FBC0000-memory.dmp

Filesize
64KB

Download
memory/4924-41-0x0000000006920000-0x0000000006952000-memory.dmp

Filesize
200KB

Download
memory/4924-42-0x00000000706F0000-0x000000007073C000-memory.dmp

Filesize
304KB

Download
memory/4924-53-0x0000000007320000-0x000000000733E000-memory.dmp

Filesize
120KB

Download
memory/4924-52-0x0000000002A60000-0x0000000002A70000-memory.dmp

Filesize
64KB

Download
memory/4924-54-0x0000000007340000-0x00000000073E3000-memory.dmp

Filesize
652KB

Download
memory/4924-26-0x0000000005CA0000-0x0000000005D06000-memory.dmp

Filesize
408KB

Download
memory/4924-56-0x0000000007670000-0x000000000768A000-memory.dmp

Filesize
104KB

Download
memory/4924-57-0x00000000076E0000-0x00000000076EA000-memory.dmp

Filesize
40KB

Download
memory/4924-58-0x00000000078F0000-0x0000000007986000-memory.dmp

Filesize
600KB

Download
memory/4924-59-0x0000000007870000-0x0000000007881000-memory.dmp

Filesize
68KB

Download
memory/4924-62-0x00000000748D0000-0x0000000075080000-memory.dmp

Filesize
7.7MB

Download
memory/4924-63-0x00000000078A0000-0x00000000078AE000-memory.dmp

Filesize
56KB

Download
memory/4924-64-0x00000000078B0000-0x00000000078C4000-memory.dmp

Filesize
80KB

Download
memory/4924-65-0x00000000079B0000-0x00000000079CA000-memory.dmp

Filesize
104KB

Download
memory/4924-66-0x0000000007990000-0x0000000007998000-memory.dmp

Filesize
32KB

Download
memory/4924-69-0x00000000748D0000-0x0000000075080000-memory.dmp

Filesize
7.7MB

Download
memory/4924-18-0x0000000002A20000-0x0000000002A56000-memory.dmp

Filesize
216KB

Download
memory/4924-20-0x00000000748D0000-0x0000000075080000-memory.dmp

Filesize
7.7MB

Download
memory/4924-21-0x0000000005400000-0x0000000005A28000-memory.dmp

Filesize
6.2MB

Download