formbook | ec6c0b68ad723bfd12ffe050b290318de9f50ceaac13a9f9483d42a6301ac657

Analysis

max time kernel
148s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-10-2024 16:21

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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 2 IoCs

rat

resource	yara_rule
behavioral1/memory/2732-24-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2844-28-0x0000000000080000-0x00000000000AF000-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
1480	powershell.exe
2520	powershell.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2248 set thread context of 2732	2248	PO11534.bat.exe	37
PID 2732 set thread context of 1192	2732	RegSvcs.exe	21
PID 2844 set thread context of 1192	2844	cmmon32.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 6 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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmmon32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
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

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
1512	schtasks.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

pid	Process
2520	powershell.exe
1480	powershell.exe
2732	RegSvcs.exe
2732	RegSvcs.exe
2844	cmmon32.exe
2844	cmmon32.exe
2844	cmmon32.exe
2844	cmmon32.exe
2844	cmmon32.exe
2844	cmmon32.exe
2844	cmmon32.exe
2844	cmmon32.exe
2844	cmmon32.exe
2844	cmmon32.exe
2844	cmmon32.exe
2844	cmmon32.exe
2844	cmmon32.exe
2844	cmmon32.exe
2844	cmmon32.exe
2844	cmmon32.exe
2844	cmmon32.exe
2844	cmmon32.exe
2844	cmmon32.exe
2844	cmmon32.exe
2844	cmmon32.exe
2844	cmmon32.exe
2844	cmmon32.exe
2844	cmmon32.exe
2844	cmmon32.exe
2844	cmmon32.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2732	RegSvcs.exe
2732	RegSvcs.exe
2732	RegSvcs.exe
2844	cmmon32.exe
2844	cmmon32.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2520	powershell.exe
Token: SeDebugPrivilege	1480	powershell.exe
Token: SeDebugPrivilege	2732	RegSvcs.exe
Token: SeDebugPrivilege	2844	cmmon32.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2248 wrote to memory of 1480	2248	PO11534.bat.exe	31
PID 2248 wrote to memory of 1480	2248	PO11534.bat.exe	31
PID 2248 wrote to memory of 1480	2248	PO11534.bat.exe	31
PID 2248 wrote to memory of 1480	2248	PO11534.bat.exe	31
PID 2248 wrote to memory of 2520	2248	PO11534.bat.exe	33
PID 2248 wrote to memory of 2520	2248	PO11534.bat.exe	33
PID 2248 wrote to memory of 2520	2248	PO11534.bat.exe	33
PID 2248 wrote to memory of 2520	2248	PO11534.bat.exe	33
PID 2248 wrote to memory of 1512	2248	PO11534.bat.exe	35
PID 2248 wrote to memory of 1512	2248	PO11534.bat.exe	35
PID 2248 wrote to memory of 1512	2248	PO11534.bat.exe	35
PID 2248 wrote to memory of 1512	2248	PO11534.bat.exe	35
PID 2248 wrote to memory of 2732	2248	PO11534.bat.exe	37
PID 2248 wrote to memory of 2732	2248	PO11534.bat.exe	37
PID 2248 wrote to memory of 2732	2248	PO11534.bat.exe	37
PID 2248 wrote to memory of 2732	2248	PO11534.bat.exe	37
PID 2248 wrote to memory of 2732	2248	PO11534.bat.exe	37
PID 2248 wrote to memory of 2732	2248	PO11534.bat.exe	37
PID 2248 wrote to memory of 2732	2248	PO11534.bat.exe	37
PID 2248 wrote to memory of 2732	2248	PO11534.bat.exe	37
PID 2248 wrote to memory of 2732	2248	PO11534.bat.exe	37
PID 2248 wrote to memory of 2732	2248	PO11534.bat.exe	37
PID 1192 wrote to memory of 2844	1192	Explorer.EXE	38
PID 1192 wrote to memory of 2844	1192	Explorer.EXE	38
PID 1192 wrote to memory of 2844	1192	Explorer.EXE	38
PID 1192 wrote to memory of 2844	1192	Explorer.EXE	38
PID 2844 wrote to memory of 2588	2844	cmmon32.exe	39
PID 2844 wrote to memory of 2588	2844	cmmon32.exe	39
PID 2844 wrote to memory of 2588	2844	cmmon32.exe	39
PID 2844 wrote to memory of 2588	2844	cmmon32.exe	39

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1192
- 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:2248
- - 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:1480
- - 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:2520
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BaYOcnEVLf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp56D.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1512
- - 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:2732
- C:\Windows\SysWOW64\cmmon32.exe
  "C:\Windows\SysWOW64\cmmon32.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:2844
- - 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:2588

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\tmp56D.tmp

Filesize
1KB

MD5
39e4f751435d8fc71e40dfcf97fd3295

SHA1
aa4444de7ff077605723b4efb2e8aece6bb9c617

SHA256
9768bdce8069e9a2d22529e3dde543c2e29770aa549a53b4f61dfc20d6adafd3

SHA512
49457a915e917e41a52afe310d38634dfd6e4b55b7185d3a9d19229f295673d9677b9ee1a1a805e0d53cfef3a9f5b17f308c7126e8fae86742919bde5c55da58

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\N76OGUCL96WR5DJNOQOD.temp

Filesize
7KB

MD5
9f7af4edeb0d8b1715cbda100b786442

SHA1
de0084e564297cf4d50c97eac0fab00f4d1e8228

SHA256
e9a14f480dd2a2adaa4510809ee952b68f1747c14f060354c7824eb28fada804

SHA512
97e09fc4a8de7a743c767d6bf87006c535f8fcf060cafaae79eff3366b0601466e62ec102bb50980ddb72b17b356f6ed75b60e96543c15225dcb9592505524b9

Download Submit
memory/1192-29-0x00000000001F0000-0x00000000002F0000-memory.dmp

Filesize
1024KB

Download
memory/2248-4-0x000000007453E000-0x000000007453F000-memory.dmp

Filesize
4KB

Download
memory/2248-25-0x0000000074530000-0x0000000074C1E000-memory.dmp

Filesize
6.9MB

Download
memory/2248-5-0x0000000074530000-0x0000000074C1E000-memory.dmp

Filesize
6.9MB

Download
memory/2248-6-0x0000000005350000-0x00000000053C6000-memory.dmp

Filesize
472KB

Download
memory/2248-3-0x00000000005F0000-0x000000000060C000-memory.dmp

Filesize
112KB

Download
memory/2248-2-0x0000000074530000-0x0000000074C1E000-memory.dmp

Filesize
6.9MB

Download
memory/2248-1-0x0000000000CF0000-0x0000000000D96000-memory.dmp

Filesize
664KB

Download
memory/2248-0-0x000000007453E000-0x000000007453F000-memory.dmp

Filesize
4KB

Download
memory/2732-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2732-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2732-24-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2732-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2844-27-0x0000000000940000-0x000000000094D000-memory.dmp

Filesize
52KB

Download
memory/2844-28-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download