formbook | ec6c0b68ad723bfd12ffe050b290318de9f50ceaac13a9f9483d42a6301ac657

Analysis

max time kernel
148s
max time network
123s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
21-10-2024 16:27

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General

Target

PO11534.bat.exe
Size

642KB
MD5

3d680bae4987c65237ff5191316eb984
SHA1

2b1030c6daba94e4c849523d417a2a02eb2d342b
SHA256

ec6c0b68ad723bfd12ffe050b290318de9f50ceaac13a9f9483d42a6301ac657
SHA512

f30adc17d74a5b33918361feac87c3d41059d00ae5e84e8550a7894839e5ddd45a6b0a4b2dae1af4469c17e52c13e3566babdc34e3f37d3a0e730329f6ec1a80
SSDEEP

12288:KxCkhMOoltiJ76q2GRIUoeQYVHFpkYdDVlz3tVnrW+EhBv7:MCkh5oDiJVRI3kTPi+WB

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
behavioral1/memory/1596-24-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1596-27-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2260-30-0x00000000000D0000-0x00000000000FF000-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
1860	powershell.exe
2696	powershell.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2772 set thread context of 1596	2772	PO11534.bat.exe	36
PID 1596 set thread context of 1212	1596	RegSvcs.exe	21
PID 1596 set thread context of 1212	1596	RegSvcs.exe	21
PID 2260 set thread context of 1212	2260	msdt.exe	21

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 7 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	PO11534.bat.exe
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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdt.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
2840	schtasks.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

pid	Process
1860	powershell.exe
2696	powershell.exe
1596	RegSvcs.exe
1596	RegSvcs.exe
1596	RegSvcs.exe
2260	msdt.exe
2260	msdt.exe
2260	msdt.exe
2260	msdt.exe
2260	msdt.exe
2260	msdt.exe
2260	msdt.exe
2260	msdt.exe
2260	msdt.exe
2260	msdt.exe
2260	msdt.exe
2260	msdt.exe
2260	msdt.exe
2260	msdt.exe
2260	msdt.exe
2260	msdt.exe
2260	msdt.exe
2260	msdt.exe
2260	msdt.exe
2260	msdt.exe
2260	msdt.exe
2260	msdt.exe
2260	msdt.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
1596	RegSvcs.exe
1596	RegSvcs.exe
1596	RegSvcs.exe
1596	RegSvcs.exe
2260	msdt.exe
2260	msdt.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1860	powershell.exe
Token: SeDebugPrivilege	2696	powershell.exe
Token: SeDebugPrivilege	1596	RegSvcs.exe
Token: SeDebugPrivilege	2260	msdt.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2772 wrote to memory of 2696	2772	PO11534.bat.exe	30
PID 2772 wrote to memory of 2696	2772	PO11534.bat.exe	30
PID 2772 wrote to memory of 2696	2772	PO11534.bat.exe	30
PID 2772 wrote to memory of 2696	2772	PO11534.bat.exe	30
PID 2772 wrote to memory of 1860	2772	PO11534.bat.exe	32
PID 2772 wrote to memory of 1860	2772	PO11534.bat.exe	32
PID 2772 wrote to memory of 1860	2772	PO11534.bat.exe	32
PID 2772 wrote to memory of 1860	2772	PO11534.bat.exe	32
PID 2772 wrote to memory of 2840	2772	PO11534.bat.exe	33
PID 2772 wrote to memory of 2840	2772	PO11534.bat.exe	33
PID 2772 wrote to memory of 2840	2772	PO11534.bat.exe	33
PID 2772 wrote to memory of 2840	2772	PO11534.bat.exe	33
PID 2772 wrote to memory of 1596	2772	PO11534.bat.exe	36
PID 2772 wrote to memory of 1596	2772	PO11534.bat.exe	36
PID 2772 wrote to memory of 1596	2772	PO11534.bat.exe	36
PID 2772 wrote to memory of 1596	2772	PO11534.bat.exe	36
PID 2772 wrote to memory of 1596	2772	PO11534.bat.exe	36
PID 2772 wrote to memory of 1596	2772	PO11534.bat.exe	36
PID 2772 wrote to memory of 1596	2772	PO11534.bat.exe	36
PID 2772 wrote to memory of 1596	2772	PO11534.bat.exe	36
PID 2772 wrote to memory of 1596	2772	PO11534.bat.exe	36
PID 2772 wrote to memory of 1596	2772	PO11534.bat.exe	36
PID 1596 wrote to memory of 2260	1596	RegSvcs.exe	38
PID 1596 wrote to memory of 2260	1596	RegSvcs.exe	38
PID 1596 wrote to memory of 2260	1596	RegSvcs.exe	38
PID 1596 wrote to memory of 2260	1596	RegSvcs.exe	38
PID 2260 wrote to memory of 628	2260	msdt.exe	39
PID 2260 wrote to memory of 628	2260	msdt.exe	39
PID 2260 wrote to memory of 628	2260	msdt.exe	39
PID 2260 wrote to memory of 628	2260	msdt.exe	39

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1212
- C:\Users\Admin\AppData\Local\Temp\PO11534.bat.exe
  "C:\Users\Admin\AppData\Local\Temp\PO11534.bat.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2772
- - 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\PO11534.bat.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2696
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BaYOcnEVLf.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1860
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BaYOcnEVLf" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA351.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2840
- - 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
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1596
  - - C:\Windows\SysWOW64\msdt.exe
      "C:\Windows\SysWOW64\msdt.exe"
      4⤵
      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:2260
    - - C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:628
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:1932

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\tmpA351.tmp

Filesize
1KB

MD5
80922cfd25288b78c0ce2b4c06d2bf61

SHA1
59deb32c811c6f8bca64c1d1e0e20db3a6afd160

SHA256
393e2bc24ca331ce903856745005f6772533f2a498642ebd53188d210d7f704e

SHA512
eaaf508f7462bcf81221526b816c162fdc920caa6374d5e9958628ecb7b6c0c67ebd6084f0892bec73184846ac4b860979685133b59394ea9b0a095ef75eda91

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\7IZM5RKOZXV0ONHGFFRC.temp

Filesize
7KB

MD5
c778130ea7318d0b8c9976cc31568269

SHA1
0d0ef50fb4a1f5b34021ca163bf4adb4e7665f33

SHA256
f987b20d7bb15f56eb877af940c8287240cb4ccd20a4c8900b7d00aa32753f9f

SHA512
54c3afb7a0da1f3eb24a2fb3c4f422f579dd083e54d1be72d98b11aded6dd50c414eac3f6dcd26568c17437f16ee48819e8def4adeadbc84d9127b205c3a21c6

Download Submit
memory/1596-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1596-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1596-27-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1596-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1596-24-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2260-30-0x00000000000D0000-0x00000000000FF000-memory.dmp

Filesize
188KB

Download
memory/2260-29-0x0000000000140000-0x0000000000234000-memory.dmp

Filesize
976KB

Download
memory/2772-6-0x00000000010C0000-0x0000000001136000-memory.dmp

Filesize
472KB

Download
memory/2772-1-0x00000000011B0000-0x0000000001256000-memory.dmp

Filesize
664KB

Download
memory/2772-2-0x0000000074AC0000-0x00000000751AE000-memory.dmp

Filesize
6.9MB

Download
memory/2772-0-0x0000000074ACE000-0x0000000074ACF000-memory.dmp

Filesize
4KB

Download
memory/2772-25-0x0000000074AC0000-0x00000000751AE000-memory.dmp

Filesize
6.9MB

Download
memory/2772-3-0x0000000000670000-0x000000000068C000-memory.dmp

Filesize
112KB

Download
memory/2772-5-0x0000000074AC0000-0x00000000751AE000-memory.dmp

Filesize
6.9MB

Download
memory/2772-4-0x0000000074ACE000-0x0000000074ACF000-memory.dmp

Filesize
4KB

Download