formbook | 72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52

Analysis

max time kernel
147s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
11-08-2024 07:03

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

PR_Form_20240809_145815.bat.exe
Size

634KB
MD5

dff2a4f9c0e8469a1829ab1f39668856
SHA1

77a56409876a9c0c33fd59a070a21c8ee1b18a92
SHA256

72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52
SHA512

aff25af1d0a6bf6ebf9aeb5758214c9a0dd559e7a7d5bb2330ed07e6d06e6f2c5169dcb71176366c7eb75d925c72631a3c471fb1e3239c56dc8e87e71804451e
SSDEEP

12288:OZCxSBAiSeURm5+Y7o0amp+ztqlACErYz4BjNA314OSxfmMNfDmvAwkR:bxSBAOUe+Y7o0CRBdrPk14bFN7eA3

Score

10^/10

formbook sy52 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

sy52

Decoy

wxxj.asia

emu-oil.online

theprogressiontalks.com

saigonvape.com

cb257.pro

inucana.com

xn--pdr89n.vip

vtc.bzh

connexionsink.com

mastersofthevibes.com

mallsetuae.shop

bellaandbling.com

wagi88.one

273618.bid

japanvietnam-mall.com

lkd1t.rest

oflgjgiq.xyz

calliblography.com

idz8u.vip

marrybears.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/664-32-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/664-40-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4088-72-0x0000000001020000-0x000000000104F000-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
1976	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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	PR_Form_20240809_145815.bat.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4440 set thread context of 664	4440	PR_Form_20240809_145815.bat.exe	98
PID 664 set thread context of 3464	664	PR_Form_20240809_145815.bat.exe	56
PID 4088 set thread context of 3464	4088	systray.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 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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	systray.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PR_Form_20240809_145815.bat.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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-1-5-21-1302416131-1437503476-2806442725-1000_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
1636	schtasks.exe

Suspicious behavior: EnumeratesProcesses 59 IoCs

pid	Process
4440	PR_Form_20240809_145815.bat.exe
4440	PR_Form_20240809_145815.bat.exe
1976	powershell.exe
4440	PR_Form_20240809_145815.bat.exe
664	PR_Form_20240809_145815.bat.exe
664	PR_Form_20240809_145815.bat.exe
1976	powershell.exe
664	PR_Form_20240809_145815.bat.exe
664	PR_Form_20240809_145815.bat.exe
4088	systray.exe
4088	systray.exe
4088	systray.exe
4088	systray.exe
4088	systray.exe
4088	systray.exe
4088	systray.exe
4088	systray.exe
4088	systray.exe
4088	systray.exe
4088	systray.exe
4088	systray.exe
4088	systray.exe
4088	systray.exe
4088	systray.exe
4088	systray.exe
4088	systray.exe
4088	systray.exe
4088	systray.exe
4088	systray.exe
4088	systray.exe
4088	systray.exe
4088	systray.exe
4088	systray.exe
4088	systray.exe
4088	systray.exe
4088	systray.exe
4088	systray.exe
4088	systray.exe
4088	systray.exe
4088	systray.exe
4088	systray.exe
4088	systray.exe
4088	systray.exe
4088	systray.exe
4088	systray.exe
4088	systray.exe
4088	systray.exe
4088	systray.exe
4088	systray.exe
4088	systray.exe
4088	systray.exe
4088	systray.exe
4088	systray.exe
4088	systray.exe
4088	systray.exe
4088	systray.exe
4088	systray.exe
4088	systray.exe
4088	systray.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
664	PR_Form_20240809_145815.bat.exe
664	PR_Form_20240809_145815.bat.exe
664	PR_Form_20240809_145815.bat.exe
4088	systray.exe
4088	systray.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeDebugPrivilege	4440	PR_Form_20240809_145815.bat.exe
Token: SeDebugPrivilege	1976	powershell.exe
Token: SeDebugPrivilege	664	PR_Form_20240809_145815.bat.exe
Token: SeDebugPrivilege	4088	systray.exe
Token: SeShutdownPrivilege	3464	Explorer.EXE
Token: SeCreatePagefilePrivilege	3464	Explorer.EXE
Token: SeShutdownPrivilege	3464	Explorer.EXE
Token: SeCreatePagefilePrivilege	3464	Explorer.EXE
Token: SeShutdownPrivilege	3464	Explorer.EXE
Token: SeCreatePagefilePrivilege	3464	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3464	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 4440 wrote to memory of 1976	4440	PR_Form_20240809_145815.bat.exe	94
PID 4440 wrote to memory of 1976	4440	PR_Form_20240809_145815.bat.exe	94
PID 4440 wrote to memory of 1976	4440	PR_Form_20240809_145815.bat.exe	94
PID 4440 wrote to memory of 1636	4440	PR_Form_20240809_145815.bat.exe	96
PID 4440 wrote to memory of 1636	4440	PR_Form_20240809_145815.bat.exe	96
PID 4440 wrote to memory of 1636	4440	PR_Form_20240809_145815.bat.exe	96
PID 4440 wrote to memory of 664	4440	PR_Form_20240809_145815.bat.exe	98
PID 4440 wrote to memory of 664	4440	PR_Form_20240809_145815.bat.exe	98
PID 4440 wrote to memory of 664	4440	PR_Form_20240809_145815.bat.exe	98
PID 4440 wrote to memory of 664	4440	PR_Form_20240809_145815.bat.exe	98
PID 4440 wrote to memory of 664	4440	PR_Form_20240809_145815.bat.exe	98
PID 4440 wrote to memory of 664	4440	PR_Form_20240809_145815.bat.exe	98
PID 3464 wrote to memory of 4088	3464	Explorer.EXE	99
PID 3464 wrote to memory of 4088	3464	Explorer.EXE	99
PID 3464 wrote to memory of 4088	3464	Explorer.EXE	99
PID 4088 wrote to memory of 2492	4088	systray.exe	100
PID 4088 wrote to memory of 2492	4088	systray.exe	100
PID 4088 wrote to memory of 2492	4088	systray.exe	100

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:3464
- C:\Users\Admin\AppData\Local\Temp\PR_Form_20240809_145815.bat.exe
  "C:\Users\Admin\AppData\Local\Temp\PR_Form_20240809_145815.bat.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:4440
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\szDsBbzQTYLbvU.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1976
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\szDsBbzQTYLbvU" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFEE2.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1636
- - C:\Users\Admin\AppData\Local\Temp\PR_Form_20240809_145815.bat.exe
    "C:\Users\Admin\AppData\Local\Temp\PR_Form_20240809_145815.bat.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:664
- C:\Windows\SysWOW64\systray.exe
  "C:\Windows\SysWOW64\systray.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:4088
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\PR_Form_20240809_145815.bat.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2492

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jylvo1iv.ljf.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpFEE2.tmp

Filesize
1KB

MD5
743064c183c0b36cf1a6c668e6553d5c

SHA1
1f0c392aa1b48089e8cdda52d1be5a0ff8d601f3

SHA256
3d42a1716f9205ea946b52267b9e0eb3f64b54ff4b312615995f433a7c3b7718

SHA512
084e5c4a8d7a8234c12f00e3176905650ad19f0512089113b970056f11e4f6b31cb345ed9e83e05e46769caf6f3a09327e9570ff682ca4f6aea7011975c73ca0

Download Submit
memory/664-40-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/664-41-0x0000000000FD0000-0x0000000000FE5000-memory.dmp

Filesize
84KB

Download
memory/664-36-0x0000000001500000-0x000000000184A000-memory.dmp

Filesize
3.3MB

Download
memory/664-32-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1976-19-0x0000000006000000-0x0000000006022000-memory.dmp

Filesize
136KB

Download
memory/1976-20-0x0000000006120000-0x0000000006186000-memory.dmp

Filesize
408KB

Download
memory/1976-60-0x0000000007C30000-0x0000000007C3A000-memory.dmp

Filesize
40KB

Download
memory/1976-59-0x0000000007BC0000-0x0000000007BDA000-memory.dmp

Filesize
104KB

Download
memory/1976-58-0x0000000008200000-0x000000000887A000-memory.dmp

Filesize
6.5MB

Download
memory/1976-15-0x0000000002F70000-0x0000000002FA6000-memory.dmp

Filesize
216KB

Download
memory/1976-16-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/1976-17-0x00000000059D0000-0x0000000005FF8000-memory.dmp

Filesize
6.2MB

Download
memory/1976-71-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/1976-31-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/1976-57-0x0000000007A90000-0x0000000007B33000-memory.dmp

Filesize
652KB

Download
memory/1976-56-0x0000000003030000-0x0000000003040000-memory.dmp

Filesize
64KB

Download
memory/1976-33-0x00000000064E0000-0x0000000006834000-memory.dmp

Filesize
3.3MB

Download
memory/1976-66-0x0000000007EE0000-0x0000000007EE8000-memory.dmp

Filesize
32KB

Download
memory/1976-21-0x0000000006240000-0x00000000062A6000-memory.dmp

Filesize
408KB

Download
memory/1976-61-0x0000000007E40000-0x0000000007ED6000-memory.dmp

Filesize
600KB

Download
memory/1976-65-0x0000000007F00000-0x0000000007F1A000-memory.dmp

Filesize
104KB

Download
memory/1976-64-0x0000000007E00000-0x0000000007E14000-memory.dmp

Filesize
80KB

Download
memory/1976-37-0x0000000006890000-0x00000000068AE000-memory.dmp

Filesize
120KB

Download
memory/1976-63-0x0000000007DF0000-0x0000000007DFE000-memory.dmp

Filesize
56KB

Download
memory/1976-55-0x0000000006E70000-0x0000000006E8E000-memory.dmp

Filesize
120KB

Download
memory/1976-62-0x0000000007DC0000-0x0000000007DD1000-memory.dmp

Filesize
68KB

Download
memory/1976-39-0x0000000006E00000-0x0000000006E4C000-memory.dmp

Filesize
304KB

Download
memory/1976-43-0x000000007F170000-0x000000007F180000-memory.dmp

Filesize
64KB

Download
memory/1976-44-0x0000000007A50000-0x0000000007A82000-memory.dmp

Filesize
200KB

Download
memory/1976-45-0x0000000074ED0000-0x0000000074F1C000-memory.dmp

Filesize
304KB

Download
memory/3464-42-0x0000000008370000-0x000000000847C000-memory.dmp

Filesize
1.0MB

Download
memory/3464-74-0x0000000008370000-0x000000000847C000-memory.dmp

Filesize
1.0MB

Download
memory/3464-76-0x0000000002C60000-0x0000000002CFD000-memory.dmp

Filesize
628KB

Download
memory/4088-68-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/4088-67-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/4088-72-0x0000000001020000-0x000000000104F000-memory.dmp

Filesize
188KB

Download
memory/4440-4-0x0000000005560000-0x000000000556A000-memory.dmp

Filesize
40KB

Download
memory/4440-1-0x0000000000AD0000-0x0000000000B70000-memory.dmp

Filesize
640KB

Download
memory/4440-2-0x0000000005B90000-0x0000000006134000-memory.dmp

Filesize
5.6MB

Download
memory/4440-0-0x000000007464E000-0x000000007464F000-memory.dmp

Filesize
4KB

Download
memory/4440-3-0x00000000055E0000-0x0000000005672000-memory.dmp

Filesize
584KB

Download
memory/4440-35-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/4440-7-0x00000000058A0000-0x00000000058AE000-memory.dmp

Filesize
56KB

Download
memory/4440-5-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/4440-6-0x0000000005860000-0x000000000587A000-memory.dmp

Filesize
104KB

Download
memory/4440-10-0x000000000C1B0000-0x000000000C24C000-memory.dmp

Filesize
624KB

Download
memory/4440-9-0x00000000090A0000-0x0000000009116000-memory.dmp

Filesize
472KB

Download
memory/4440-8-0x00000000058B0000-0x00000000058C6000-memory.dmp

Filesize
88KB

Download