formbook | 17b0a93d47762eaa5fa2f7e88cd664103cf7d106905d3d7a637a21b802481f13

Analysis

max time kernel
148s
max time network
18s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
22-10-2024 01:07

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General

Target

17b0a93d47762eaa5fa2f7e88cd664103cf7d106905d3d7a637a21b802481f13.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 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2840-19-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2840-22-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1816-27-0x0000000000090000-0x00000000000BF000-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
2388	powershell.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2972 set thread context of 2840	2972	17b0a93d47762eaa5fa2f7e88cd664103cf7d106905d3d7a637a21b802481f13.exe	33
PID 2840 set thread context of 1256	2840	RegSvcs.exe	20
PID 2840 set thread context of 1256	2840	RegSvcs.exe	20
PID 1816 set thread context of 1256	1816	msiexec.exe	20

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	17b0a93d47762eaa5fa2f7e88cd664103cf7d106905d3d7a637a21b802481f13.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	msiexec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
1636	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2972	17b0a93d47762eaa5fa2f7e88cd664103cf7d106905d3d7a637a21b802481f13.exe
2972	17b0a93d47762eaa5fa2f7e88cd664103cf7d106905d3d7a637a21b802481f13.exe
2840	RegSvcs.exe
2840	RegSvcs.exe
2388	powershell.exe
2840	RegSvcs.exe
1816	msiexec.exe
1816	msiexec.exe
1816	msiexec.exe
1816	msiexec.exe
1816	msiexec.exe
1816	msiexec.exe
1816	msiexec.exe
1816	msiexec.exe
1816	msiexec.exe
1816	msiexec.exe
1816	msiexec.exe
1816	msiexec.exe
1816	msiexec.exe
1816	msiexec.exe
1816	msiexec.exe
1816	msiexec.exe
1816	msiexec.exe
1816	msiexec.exe
1816	msiexec.exe
1816	msiexec.exe
1816	msiexec.exe
1816	msiexec.exe
1816	msiexec.exe
1816	msiexec.exe
1816	msiexec.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2840	RegSvcs.exe
2840	RegSvcs.exe
2840	RegSvcs.exe
2840	RegSvcs.exe
1816	msiexec.exe
1816	msiexec.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2972	17b0a93d47762eaa5fa2f7e88cd664103cf7d106905d3d7a637a21b802481f13.exe
Token: SeDebugPrivilege	2840	RegSvcs.exe
Token: SeDebugPrivilege	2388	powershell.exe
Token: SeDebugPrivilege	1816	msiexec.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2972 wrote to memory of 2388	2972	17b0a93d47762eaa5fa2f7e88cd664103cf7d106905d3d7a637a21b802481f13.exe	29
PID 2972 wrote to memory of 2388	2972	17b0a93d47762eaa5fa2f7e88cd664103cf7d106905d3d7a637a21b802481f13.exe	29
PID 2972 wrote to memory of 2388	2972	17b0a93d47762eaa5fa2f7e88cd664103cf7d106905d3d7a637a21b802481f13.exe	29
PID 2972 wrote to memory of 2388	2972	17b0a93d47762eaa5fa2f7e88cd664103cf7d106905d3d7a637a21b802481f13.exe	29
PID 2972 wrote to memory of 1636	2972	17b0a93d47762eaa5fa2f7e88cd664103cf7d106905d3d7a637a21b802481f13.exe	31
PID 2972 wrote to memory of 1636	2972	17b0a93d47762eaa5fa2f7e88cd664103cf7d106905d3d7a637a21b802481f13.exe	31
PID 2972 wrote to memory of 1636	2972	17b0a93d47762eaa5fa2f7e88cd664103cf7d106905d3d7a637a21b802481f13.exe	31
PID 2972 wrote to memory of 1636	2972	17b0a93d47762eaa5fa2f7e88cd664103cf7d106905d3d7a637a21b802481f13.exe	31
PID 2972 wrote to memory of 2840	2972	17b0a93d47762eaa5fa2f7e88cd664103cf7d106905d3d7a637a21b802481f13.exe	33
PID 2972 wrote to memory of 2840	2972	17b0a93d47762eaa5fa2f7e88cd664103cf7d106905d3d7a637a21b802481f13.exe	33
PID 2972 wrote to memory of 2840	2972	17b0a93d47762eaa5fa2f7e88cd664103cf7d106905d3d7a637a21b802481f13.exe	33
PID 2972 wrote to memory of 2840	2972	17b0a93d47762eaa5fa2f7e88cd664103cf7d106905d3d7a637a21b802481f13.exe	33
PID 2972 wrote to memory of 2840	2972	17b0a93d47762eaa5fa2f7e88cd664103cf7d106905d3d7a637a21b802481f13.exe	33
PID 2972 wrote to memory of 2840	2972	17b0a93d47762eaa5fa2f7e88cd664103cf7d106905d3d7a637a21b802481f13.exe	33
PID 2972 wrote to memory of 2840	2972	17b0a93d47762eaa5fa2f7e88cd664103cf7d106905d3d7a637a21b802481f13.exe	33
PID 2972 wrote to memory of 2840	2972	17b0a93d47762eaa5fa2f7e88cd664103cf7d106905d3d7a637a21b802481f13.exe	33
PID 2972 wrote to memory of 2840	2972	17b0a93d47762eaa5fa2f7e88cd664103cf7d106905d3d7a637a21b802481f13.exe	33
PID 2972 wrote to memory of 2840	2972	17b0a93d47762eaa5fa2f7e88cd664103cf7d106905d3d7a637a21b802481f13.exe	33
PID 1256 wrote to memory of 1816	1256	Explorer.EXE	34
PID 1256 wrote to memory of 1816	1256	Explorer.EXE	34
PID 1256 wrote to memory of 1816	1256	Explorer.EXE	34
PID 1256 wrote to memory of 1816	1256	Explorer.EXE	34
PID 1256 wrote to memory of 1816	1256	Explorer.EXE	34
PID 1256 wrote to memory of 1816	1256	Explorer.EXE	34
PID 1256 wrote to memory of 1816	1256	Explorer.EXE	34
PID 1816 wrote to memory of 2608	1816	msiexec.exe	35
PID 1816 wrote to memory of 2608	1816	msiexec.exe	35
PID 1816 wrote to memory of 2608	1816	msiexec.exe	35
PID 1816 wrote to memory of 2608	1816	msiexec.exe	35

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1256
- C:\Users\Admin\AppData\Local\Temp\17b0a93d47762eaa5fa2f7e88cd664103cf7d106905d3d7a637a21b802481f13.exe
  "C:\Users\Admin\AppData\Local\Temp\17b0a93d47762eaa5fa2f7e88cd664103cf7d106905d3d7a637a21b802481f13.exe"
  2⤵
  - 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\AflvmgKC.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2388
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AflvmgKC" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD1EF.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1636
- - 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:2840
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\SysWOW64\msiexec.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:1816
- - 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:2608

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\tmpD1EF.tmp

Filesize
1KB

MD5
8653035c580ada7fad7fb7df04a38912

SHA1
4a9844998140df3c4f0e629c53a21dd365a4803a

SHA256
188faa46c4147c0b6615b0a89d19f46551849dc4d4de83e1192450515e0f9d20

SHA512
e55ae3c92b14e8209a6d9c0e3c726f16217db7250bf63cf3b34e0668eb5d9db1587375140bf93722d57a7dddb6f3888e85ccfebd22881c16eca6834af93bbe82

Download Submit
memory/1256-23-0x0000000004B90000-0x0000000004CB7000-memory.dmp

Filesize
1.2MB

Download
memory/1816-27-0x0000000000090000-0x00000000000BF000-memory.dmp

Filesize
188KB

Download
memory/1816-26-0x0000000000120000-0x0000000000134000-memory.dmp

Filesize
80KB

Download
memory/1816-24-0x0000000000120000-0x0000000000134000-memory.dmp

Filesize
80KB

Download
memory/2840-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2840-22-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2840-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2840-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2840-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2972-4-0x000000007472E000-0x000000007472F000-memory.dmp

Filesize
4KB

Download
memory/2972-6-0x0000000004A20000-0x0000000004A96000-memory.dmp

Filesize
472KB

Download
memory/2972-20-0x0000000074720000-0x0000000074E0E000-memory.dmp

Filesize
6.9MB

Download
memory/2972-5-0x0000000074720000-0x0000000074E0E000-memory.dmp

Filesize
6.9MB

Download
memory/2972-0-0x000000007472E000-0x000000007472F000-memory.dmp

Filesize
4KB

Download
memory/2972-3-0x0000000000520000-0x000000000053C000-memory.dmp

Filesize
112KB

Download
memory/2972-2-0x0000000074720000-0x0000000074E0E000-memory.dmp

Filesize
6.9MB

Download
memory/2972-1-0x0000000001050000-0x00000000010F6000-memory.dmp

Filesize
664KB

Download