formbook | ec6c0b68ad723bfd12ffe050b290318de9f50ceaac13a9f9483d42a6301ac657

Analysis

max time kernel
148s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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 3 IoCs

rat

resource	yara_rule
behavioral2/memory/3028-22-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3028-79-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1628-86-0x0000000000E40000-0x0000000000E6F000-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
3468	powershell.exe
5080	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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	PO11534.bat.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 840 set thread context of 3028	840	PO11534.bat.exe	100
PID 3028 set thread context of 3512	3028	RegSvcs.exe	56
PID 1628 set thread context of 3512	1628	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 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	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	ipconfig.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PO11534.bat.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
1628	ipconfig.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\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
5020	schtasks.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
3028	RegSvcs.exe
3028	RegSvcs.exe
5080	powershell.exe
3028	RegSvcs.exe
3028	RegSvcs.exe
3468	powershell.exe
5080	powershell.exe
3468	powershell.exe
1628	ipconfig.exe
1628	ipconfig.exe
1628	ipconfig.exe
1628	ipconfig.exe
1628	ipconfig.exe
1628	ipconfig.exe
1628	ipconfig.exe
1628	ipconfig.exe
1628	ipconfig.exe
1628	ipconfig.exe
1628	ipconfig.exe
1628	ipconfig.exe
1628	ipconfig.exe
1628	ipconfig.exe
1628	ipconfig.exe
1628	ipconfig.exe
1628	ipconfig.exe
1628	ipconfig.exe
1628	ipconfig.exe
1628	ipconfig.exe
1628	ipconfig.exe
1628	ipconfig.exe
1628	ipconfig.exe
1628	ipconfig.exe
1628	ipconfig.exe
1628	ipconfig.exe
1628	ipconfig.exe
1628	ipconfig.exe
1628	ipconfig.exe
1628	ipconfig.exe
1628	ipconfig.exe
1628	ipconfig.exe
1628	ipconfig.exe
1628	ipconfig.exe
1628	ipconfig.exe
1628	ipconfig.exe
1628	ipconfig.exe
1628	ipconfig.exe
1628	ipconfig.exe
1628	ipconfig.exe
1628	ipconfig.exe
1628	ipconfig.exe
1628	ipconfig.exe
1628	ipconfig.exe
1628	ipconfig.exe
1628	ipconfig.exe
1628	ipconfig.exe
1628	ipconfig.exe
1628	ipconfig.exe
1628	ipconfig.exe
1628	ipconfig.exe
1628	ipconfig.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
3028	RegSvcs.exe
3028	RegSvcs.exe
3028	RegSvcs.exe
1628	ipconfig.exe
1628	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 16 IoCs

description	pid	Process
Token: SeDebugPrivilege	3468	powershell.exe
Token: SeDebugPrivilege	5080	powershell.exe
Token: SeDebugPrivilege	3028	RegSvcs.exe
Token: SeDebugPrivilege	1628	ipconfig.exe
Token: SeShutdownPrivilege	3512	Explorer.EXE
Token: SeCreatePagefilePrivilege	3512	Explorer.EXE
Token: SeShutdownPrivilege	3512	Explorer.EXE
Token: SeCreatePagefilePrivilege	3512	Explorer.EXE
Token: SeShutdownPrivilege	3512	Explorer.EXE
Token: SeCreatePagefilePrivilege	3512	Explorer.EXE
Token: SeShutdownPrivilege	3512	Explorer.EXE
Token: SeCreatePagefilePrivilege	3512	Explorer.EXE
Token: SeShutdownPrivilege	3512	Explorer.EXE
Token: SeCreatePagefilePrivilege	3512	Explorer.EXE
Token: SeShutdownPrivilege	3512	Explorer.EXE
Token: SeCreatePagefilePrivilege	3512	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3512	Explorer.EXE

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 840 wrote to memory of 5080	840	PO11534.bat.exe	94
PID 840 wrote to memory of 5080	840	PO11534.bat.exe	94
PID 840 wrote to memory of 5080	840	PO11534.bat.exe	94
PID 840 wrote to memory of 3468	840	PO11534.bat.exe	96
PID 840 wrote to memory of 3468	840	PO11534.bat.exe	96
PID 840 wrote to memory of 3468	840	PO11534.bat.exe	96
PID 840 wrote to memory of 5020	840	PO11534.bat.exe	98
PID 840 wrote to memory of 5020	840	PO11534.bat.exe	98
PID 840 wrote to memory of 5020	840	PO11534.bat.exe	98
PID 840 wrote to memory of 3028	840	PO11534.bat.exe	100
PID 840 wrote to memory of 3028	840	PO11534.bat.exe	100
PID 840 wrote to memory of 3028	840	PO11534.bat.exe	100
PID 840 wrote to memory of 3028	840	PO11534.bat.exe	100
PID 840 wrote to memory of 3028	840	PO11534.bat.exe	100
PID 840 wrote to memory of 3028	840	PO11534.bat.exe	100
PID 3512 wrote to memory of 1628	3512	Explorer.EXE	101
PID 3512 wrote to memory of 1628	3512	Explorer.EXE	101
PID 3512 wrote to memory of 1628	3512	Explorer.EXE	101
PID 1628 wrote to memory of 2388	1628	ipconfig.exe	102
PID 1628 wrote to memory of 2388	1628	ipconfig.exe	102
PID 1628 wrote to memory of 2388	1628	ipconfig.exe	102

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3512
- C:\Users\Admin\AppData\Local\Temp\PO11534.bat.exe
  "C:\Users\Admin\AppData\Local\Temp\PO11534.bat.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:840
- - 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:5080
- - 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:3468
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BaYOcnEVLf" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD3CB.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:5020
- - 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:3028
- 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:1628
- - 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:2388

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\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
ab20ddb49df52e68f880e4b639a36cc3

SHA1
77af5c9114f61058f6a656823c415cea1fedcaf3

SHA256
65776672c8513e56ebb2b168539a369e7220fb51f1a44e72cc37ea7e60b96235

SHA512
0d9dd19741b08bbe0784397850b95bf2974698ff867d449bef702fbbdef91e53a1a8f9d4d8a7167100a8b7b09fe33bdded00ebef11642423c35f679f51fd2f40

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_q0zlb4kw.hjm.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpD3CB.tmp

Filesize
1KB

MD5
bdb7e79cb58fe5e08dd35093c847abc6

SHA1
adb3a6ff3057a937f53c39b5bb728f4ea96b9d14

SHA256
c23d4ca777bd79354388d632ef2abc5657ab7f4542aebd67ac1287a463d4b8aa

SHA512
9d55c57be04eeaa8949434a184da13ff0ca388d2e9ff3595b7a4bdac71cef5226c0df33c07f463a86c3cdec4b6864b142dffafebd91b276599d2ebcc7fa18847

Download Submit
memory/840-7-0x0000000005570000-0x000000000558C000-memory.dmp

Filesize
112KB

Download
memory/840-1-0x00000000007C0000-0x0000000000866000-memory.dmp

Filesize
664KB

Download
memory/840-6-0x00000000055A0000-0x000000000563C000-memory.dmp

Filesize
624KB

Download
memory/840-25-0x0000000074EF0000-0x00000000756A0000-memory.dmp

Filesize
7.7MB

Download
memory/840-8-0x0000000074EFE000-0x0000000074EFF000-memory.dmp

Filesize
4KB

Download
memory/840-9-0x0000000074EF0000-0x00000000756A0000-memory.dmp

Filesize
7.7MB

Download
memory/840-10-0x0000000008B90000-0x0000000008C06000-memory.dmp

Filesize
472KB

Download
memory/840-5-0x0000000005250000-0x000000000525A000-memory.dmp

Filesize
40KB

Download
memory/840-0-0x0000000074EFE000-0x0000000074EFF000-memory.dmp

Filesize
4KB

Download
memory/840-4-0x0000000074EF0000-0x00000000756A0000-memory.dmp

Filesize
7.7MB

Download
memory/840-3-0x00000000052C0000-0x0000000005352000-memory.dmp

Filesize
584KB

Download
memory/840-2-0x0000000005870000-0x0000000005E14000-memory.dmp

Filesize
5.6MB

Download
memory/1628-80-0x0000000000F20000-0x0000000000F2B000-memory.dmp

Filesize
44KB

Download
memory/1628-86-0x0000000000E40000-0x0000000000E6F000-memory.dmp

Filesize
188KB

Download
memory/3028-26-0x0000000001200000-0x000000000154A000-memory.dmp

Filesize
3.3MB

Download
memory/3028-79-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3028-22-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3468-89-0x0000000074EF0000-0x00000000756A0000-memory.dmp

Filesize
7.7MB

Download
memory/3468-84-0x0000000007900000-0x000000000791A000-memory.dmp

Filesize
104KB

Download
memory/3468-83-0x0000000007800000-0x0000000007814000-memory.dmp

Filesize
80KB

Download
memory/3468-85-0x00000000078E0000-0x00000000078E8000-memory.dmp

Filesize
32KB

Download
memory/3468-65-0x0000000071380000-0x00000000713CC000-memory.dmp

Filesize
304KB

Download
memory/3468-82-0x00000000077F0000-0x00000000077FE000-memory.dmp

Filesize
56KB

Download
memory/3468-81-0x00000000077C0000-0x00000000077D1000-memory.dmp

Filesize
68KB

Download
memory/3468-20-0x0000000074EF0000-0x00000000756A0000-memory.dmp

Filesize
7.7MB

Download
memory/3468-19-0x0000000074EF0000-0x00000000756A0000-memory.dmp

Filesize
7.7MB

Download
memory/3512-97-0x0000000008D30000-0x0000000008E45000-memory.dmp

Filesize
1.1MB

Download
memory/5080-16-0x0000000074EF0000-0x00000000756A0000-memory.dmp

Filesize
7.7MB

Download
memory/5080-64-0x00000000078C0000-0x0000000007963000-memory.dmp

Filesize
652KB

Download
memory/5080-63-0x0000000006E70000-0x0000000006E8E000-memory.dmp

Filesize
120KB

Download
memory/5080-76-0x0000000007BF0000-0x0000000007C0A000-memory.dmp

Filesize
104KB

Download
memory/5080-75-0x0000000008240000-0x00000000088BA000-memory.dmp

Filesize
6.5MB

Download
memory/5080-77-0x0000000007C60000-0x0000000007C6A000-memory.dmp

Filesize
40KB

Download
memory/5080-52-0x0000000007880000-0x00000000078B2000-memory.dmp

Filesize
200KB

Download
memory/5080-78-0x0000000007E70000-0x0000000007F06000-memory.dmp

Filesize
600KB

Download
memory/5080-53-0x0000000071380000-0x00000000713CC000-memory.dmp

Filesize
304KB

Download
memory/5080-51-0x0000000006900000-0x000000000694C000-memory.dmp

Filesize
304KB

Download
memory/5080-50-0x00000000068D0000-0x00000000068EE000-memory.dmp

Filesize
120KB

Download
memory/5080-28-0x00000000061D0000-0x0000000006236000-memory.dmp

Filesize
408KB

Download
memory/5080-31-0x00000000062D0000-0x0000000006624000-memory.dmp

Filesize
3.3MB

Download
memory/5080-29-0x0000000006240000-0x00000000062A6000-memory.dmp

Filesize
408KB

Download
memory/5080-27-0x0000000006130000-0x0000000006152000-memory.dmp

Filesize
136KB

Download
memory/5080-24-0x0000000074EF0000-0x00000000756A0000-memory.dmp

Filesize
7.7MB

Download
memory/5080-17-0x0000000005A90000-0x00000000060B8000-memory.dmp

Filesize
6.2MB

Download
memory/5080-18-0x0000000074EF0000-0x00000000756A0000-memory.dmp

Filesize
7.7MB

Download
memory/5080-93-0x0000000074EF0000-0x00000000756A0000-memory.dmp

Filesize
7.7MB

Download
memory/5080-15-0x0000000005320000-0x0000000005356000-memory.dmp

Filesize
216KB

Download