formbook | a5e52675e40a12f7805b2d3614a562c9c9f2d80f59dd6a6e6616d950a0dbbebe

Analysis

max time kernel
138s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
13-08-2024 08:05

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General

Target

საბანკო გადარიცხვა pdf.exe
Size

607KB
MD5

f1b6c28862601615ed112a7d9fe4c522
SHA1

f6c57de91d90ab459c003264979f3200796cf1b7
SHA256

f27ca1ef4a89fb6d40bf7af8c8d31b3518883aee77d4fd0ce07279ad4699852b
SHA512

2d4e1c7bcf60d3a085aaa471ac017febd6b0a899faa92b9b18bcb18c136f392809027f58b2c96512b3713da837cf7a4617026aa63e830b7b8e82ac26cbc67fec
SSDEEP

12288:T4+13cDx3lNnuTjMmHZ9cMy7RY+9cJkf4OJFBsPaRtC:si+LNnAry7RY9Y4O7SD

Score

10^/10

formbook gy15 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

gy15

Decoy

yb40w.top

286live.com

poozonlife.com

availableweedsonline.com

22926839.com

petlovepet.fun

halbaexpress.com

newswingbd.com

discountdesh.com

jwoalhbn.xyz

dandevonald.com

incrediblyxb.christmas

ailia.pro

ga3ki3.com

99812.photos

richiecom.net

ummahskills.online

peakleyva.store

a1cbloodtest.com

insurancebygarry.com

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/1736-20-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1736-38-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1736-72-0x0000000000400000-0x000000000042F000-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
4740	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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	საბანკო გადარიცხვა pdf.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2972 set thread context of 1736	2972	საბანკო გადარიცხვა pdf.exe	99
PID 1736 set thread context of 3380	1736	RegSvcs.exe	55
PID 1736 set thread context of 3380	1736	RegSvcs.exe	55

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 3 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	საბანკო გადარიცხვა pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\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
3628	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
2972	საბანკო გადარიცხვა pdf.exe
2972	საბანკო გადარიცხვა pdf.exe
4740	powershell.exe
1736	RegSvcs.exe
1736	RegSvcs.exe
1736	RegSvcs.exe
1736	RegSvcs.exe
4740	powershell.exe
1736	RegSvcs.exe
1736	RegSvcs.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
1736	RegSvcs.exe
1736	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 21 IoCs

description	pid	Process
Token: SeDebugPrivilege	2972	საბანკო გადარიცხვა pdf.exe
Token: SeDebugPrivilege	4740	powershell.exe
Token: SeDebugPrivilege	1736	RegSvcs.exe
Token: SeShutdownPrivilege	3380	Explorer.EXE
Token: SeCreatePagefilePrivilege	3380	Explorer.EXE
Token: SeShutdownPrivilege	3380	Explorer.EXE
Token: SeCreatePagefilePrivilege	3380	Explorer.EXE
Token: SeShutdownPrivilege	3380	Explorer.EXE
Token: SeCreatePagefilePrivilege	3380	Explorer.EXE
Token: SeShutdownPrivilege	3380	Explorer.EXE
Token: SeCreatePagefilePrivilege	3380	Explorer.EXE
Token: SeShutdownPrivilege	3380	Explorer.EXE
Token: SeCreatePagefilePrivilege	3380	Explorer.EXE
Token: SeShutdownPrivilege	3380	Explorer.EXE
Token: SeCreatePagefilePrivilege	3380	Explorer.EXE
Token: SeShutdownPrivilege	3380	Explorer.EXE
Token: SeCreatePagefilePrivilege	3380	Explorer.EXE
Token: SeShutdownPrivilege	3380	Explorer.EXE
Token: SeCreatePagefilePrivilege	3380	Explorer.EXE
Token: SeShutdownPrivilege	3380	Explorer.EXE
Token: SeCreatePagefilePrivilege	3380	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3380	Explorer.EXE
3380	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3380	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2972 wrote to memory of 4740	2972	საბანკო გადარიცხვა pdf.exe	95
PID 2972 wrote to memory of 4740	2972	საბანკო გადარიცხვა pdf.exe	95
PID 2972 wrote to memory of 4740	2972	საბანკო გადარიცხვა pdf.exe	95
PID 2972 wrote to memory of 3628	2972	საბანკო გადარიცხვა pdf.exe	97
PID 2972 wrote to memory of 3628	2972	საბანკო გადარიცხვა pdf.exe	97
PID 2972 wrote to memory of 3628	2972	საბანკო გადარიცხვა pdf.exe	97
PID 2972 wrote to memory of 1736	2972	საბანკო გადარიცხვა pdf.exe	99
PID 2972 wrote to memory of 1736	2972	საბანკო გადარიცხვა pdf.exe	99
PID 2972 wrote to memory of 1736	2972	საბანკო გადარიცხვა pdf.exe	99
PID 2972 wrote to memory of 1736	2972	საბანკო გადარიცხვა pdf.exe	99
PID 2972 wrote to memory of 1736	2972	საბანკო გადარიცხვა pdf.exe	99
PID 2972 wrote to memory of 1736	2972	საბანკო გადარიცხვა pdf.exe	99

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
PID:3380
- C:\Users\Admin\AppData\Local\Temp\საბანკო გადარიცხვა pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\საბანკო გადარიცხვა pdf.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:2972
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\vAynSWQKBkHb.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4740
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vAynSWQKBkHb" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD040.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3628
- - 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:1736

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_mvwyow0q.qar.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpD040.tmp

Filesize
1KB

MD5
e1a17eb3b2c65a527e1a2012830002aa

SHA1
c0fce3dad8a4170d31eb854d49fec154f684dd71

SHA256
f43a03d751f018b9d18372868b6d6345708f815b904ea156c486fc8bf3ba915c

SHA512
d397ddef056750dc7ea30da883ec068cf62242a9a4a8f44237ddf0679c5cd767cd063e166edc4846ae650d1422d494ffa92b3a86c7bc59ced72b0ec17b8fa441

Download Submit
memory/1736-72-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1736-26-0x0000000000960000-0x0000000000CAA000-memory.dmp

Filesize
3.3MB

Download
memory/1736-39-0x00000000008F0000-0x0000000000905000-memory.dmp

Filesize
84KB

Download
memory/1736-38-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1736-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2972-22-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/2972-8-0x00000000015B0000-0x0000000001626000-memory.dmp

Filesize
472KB

Download
memory/2972-9-0x0000000008FA0000-0x000000000903C000-memory.dmp

Filesize
624KB

Download
memory/2972-7-0x00000000058C0000-0x00000000058D6000-memory.dmp

Filesize
88KB

Download
memory/2972-0-0x00000000752EE000-0x00000000752EF000-memory.dmp

Filesize
4KB

Download
memory/2972-6-0x0000000005890000-0x00000000058AE000-memory.dmp

Filesize
120KB

Download
memory/2972-4-0x0000000003150000-0x000000000315A000-memory.dmp

Filesize
40KB

Download
memory/2972-5-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/2972-3-0x00000000056B0000-0x0000000005742000-memory.dmp

Filesize
584KB

Download
memory/2972-2-0x0000000005D90000-0x0000000006334000-memory.dmp

Filesize
5.6MB

Download
memory/2972-1-0x0000000000C50000-0x0000000000CEE000-memory.dmp

Filesize
632KB

Download
memory/3380-73-0x0000000008630000-0x00000000087B5000-memory.dmp

Filesize
1.5MB

Download
memory/3380-42-0x0000000008630000-0x00000000087B5000-memory.dmp

Filesize
1.5MB

Download
memory/4740-16-0x00000000058A0000-0x0000000005EC8000-memory.dmp

Filesize
6.2MB

Download
memory/4740-56-0x0000000002E60000-0x0000000002E70000-memory.dmp

Filesize
64KB

Download
memory/4740-37-0x0000000006120000-0x0000000006474000-memory.dmp

Filesize
3.3MB

Download
memory/4740-25-0x00000000060B0000-0x0000000006116000-memory.dmp

Filesize
408KB

Download
memory/4740-24-0x0000000006040000-0x00000000060A6000-memory.dmp

Filesize
408KB

Download
memory/4740-19-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/4740-40-0x0000000006710000-0x000000000672E000-memory.dmp

Filesize
120KB

Download
memory/4740-17-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/4740-41-0x00000000067F0000-0x000000000683C000-memory.dmp

Filesize
304KB

Download
memory/4740-43-0x000000007FBB0000-0x000000007FBC0000-memory.dmp

Filesize
64KB

Download
memory/4740-44-0x0000000006CE0000-0x0000000006D12000-memory.dmp

Filesize
200KB

Download
memory/4740-45-0x0000000071770000-0x00000000717BC000-memory.dmp

Filesize
304KB

Download
memory/4740-55-0x0000000006D20000-0x0000000006D3E000-memory.dmp

Filesize
120KB

Download
memory/4740-23-0x0000000005850000-0x0000000005872000-memory.dmp

Filesize
136KB

Download
memory/4740-57-0x0000000002E60000-0x0000000002E70000-memory.dmp

Filesize
64KB

Download
memory/4740-58-0x0000000007900000-0x00000000079A3000-memory.dmp

Filesize
652KB

Download
memory/4740-59-0x0000000008080000-0x00000000086FA000-memory.dmp

Filesize
6.5MB

Download
memory/4740-60-0x0000000007A40000-0x0000000007A5A000-memory.dmp

Filesize
104KB

Download
memory/4740-61-0x0000000007AB0000-0x0000000007ABA000-memory.dmp

Filesize
40KB

Download
memory/4740-62-0x0000000007CC0000-0x0000000007D56000-memory.dmp

Filesize
600KB

Download
memory/4740-63-0x0000000007C40000-0x0000000007C51000-memory.dmp

Filesize
68KB

Download
memory/4740-64-0x0000000007C70000-0x0000000007C7E000-memory.dmp

Filesize
56KB

Download
memory/4740-65-0x0000000007C80000-0x0000000007C94000-memory.dmp

Filesize
80KB

Download
memory/4740-66-0x0000000007D80000-0x0000000007D9A000-memory.dmp

Filesize
104KB

Download
memory/4740-67-0x0000000007D60000-0x0000000007D68000-memory.dmp

Filesize
32KB

Download
memory/4740-70-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/4740-15-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/4740-14-0x0000000002DF0000-0x0000000002E26000-memory.dmp

Filesize
216KB

Download