formbook | 9f17dfb2b539dbfeae4eff938a67da34bf07b6d9617c49963ec4b537449f7520

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
31-07-2024 07:35

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General

Target

RFQ31072024_August order_pdf.bat.exe
Size

637KB
MD5

f48f1b6145eb795061ee91642a07cfa4
SHA1

5d8ab68c809005ad6495b04e3fe11e306ee71cbd
SHA256

9f17dfb2b539dbfeae4eff938a67da34bf07b6d9617c49963ec4b537449f7520
SHA512

69164b98afc612343d1eebd1d98ae544b1954bbaacb9444ceccc16894027f89e5eb3b7b807f7e24eb3fe7e76a829d67d93642c767d40d88c6e1d2f9013ea2a44
SSDEEP

12288:8I4QpjndCej981lKV+qspbem0HFnOXKizT3i/q8re+JvvYnQckR:8InjdCaKocam0HFOa+SQe

Score

10^/10

formbook ss24 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ss24

Decoy

agingwellhc.com

unikbetanggur.autos

eb2024yl.top

ja380.xyz

thehalcyon.studio

maudsoogrim.com

esteler10.click

mewtcp.xyz

www-zjbf1.club

kucinglucu.online

lunwencheck.com

65597.photos

erbxeu358h.top

startable.online

yousend.xyz

csharksg.com

centricoatings.com

ntruhslearn.xyz

achabakra.xyz

zuntool.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/4760-19-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4760-29-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4348-70-0x00000000003A0000-0x00000000003CF000-memory.dmp	formbook

Blocklisted process makes network request 1 IoCs

flow	pid	Process
24	4348	wscript.exe

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
232	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-1-5-21-2721909339-1374969515-2476821579-1000\Control Panel\International\Geo\Nation	RFQ31072024_August order_pdf.bat.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 940 set thread context of 4760	940	RFQ31072024_August order_pdf.bat.exe	89
PID 4760 set thread context of 3484	4760	RFQ31072024_August order_pdf.bat.exe	56
PID 4348 set thread context of 3484	4348	wscript.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	RFQ31072024_August order_pdf.bat.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	wscript.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
5056	schtasks.exe

Suspicious behavior: EnumeratesProcesses 58 IoCs

pid	Process
232	powershell.exe
4760	RFQ31072024_August order_pdf.bat.exe
4760	RFQ31072024_August order_pdf.bat.exe
4760	RFQ31072024_August order_pdf.bat.exe
4760	RFQ31072024_August order_pdf.bat.exe
232	powershell.exe
4348	wscript.exe
4348	wscript.exe
4348	wscript.exe
4348	wscript.exe
4348	wscript.exe
4348	wscript.exe
4348	wscript.exe
4348	wscript.exe
4348	wscript.exe
4348	wscript.exe
4348	wscript.exe
4348	wscript.exe
4348	wscript.exe
4348	wscript.exe
4348	wscript.exe
4348	wscript.exe
4348	wscript.exe
4348	wscript.exe
4348	wscript.exe
4348	wscript.exe
4348	wscript.exe
4348	wscript.exe
4348	wscript.exe
4348	wscript.exe
4348	wscript.exe
4348	wscript.exe
4348	wscript.exe
4348	wscript.exe
4348	wscript.exe
4348	wscript.exe
4348	wscript.exe
4348	wscript.exe
4348	wscript.exe
4348	wscript.exe
4348	wscript.exe
4348	wscript.exe
4348	wscript.exe
4348	wscript.exe
4348	wscript.exe
4348	wscript.exe
4348	wscript.exe
4348	wscript.exe
4348	wscript.exe
4348	wscript.exe
4348	wscript.exe
4348	wscript.exe
4348	wscript.exe
4348	wscript.exe
4348	wscript.exe
4348	wscript.exe
4348	wscript.exe
4348	wscript.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
4760	RFQ31072024_August order_pdf.bat.exe
4760	RFQ31072024_August order_pdf.bat.exe
4760	RFQ31072024_August order_pdf.bat.exe
4348	wscript.exe
4348	wscript.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	232	powershell.exe
Token: SeDebugPrivilege	4760	RFQ31072024_August order_pdf.bat.exe
Token: SeShutdownPrivilege	3484	Explorer.EXE
Token: SeCreatePagefilePrivilege	3484	Explorer.EXE
Token: SeDebugPrivilege	4348	wscript.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3484	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 940 wrote to memory of 232	940	RFQ31072024_August order_pdf.bat.exe	85
PID 940 wrote to memory of 232	940	RFQ31072024_August order_pdf.bat.exe	85
PID 940 wrote to memory of 232	940	RFQ31072024_August order_pdf.bat.exe	85
PID 940 wrote to memory of 5056	940	RFQ31072024_August order_pdf.bat.exe	87
PID 940 wrote to memory of 5056	940	RFQ31072024_August order_pdf.bat.exe	87
PID 940 wrote to memory of 5056	940	RFQ31072024_August order_pdf.bat.exe	87
PID 940 wrote to memory of 4760	940	RFQ31072024_August order_pdf.bat.exe	89
PID 940 wrote to memory of 4760	940	RFQ31072024_August order_pdf.bat.exe	89
PID 940 wrote to memory of 4760	940	RFQ31072024_August order_pdf.bat.exe	89
PID 940 wrote to memory of 4760	940	RFQ31072024_August order_pdf.bat.exe	89
PID 940 wrote to memory of 4760	940	RFQ31072024_August order_pdf.bat.exe	89
PID 940 wrote to memory of 4760	940	RFQ31072024_August order_pdf.bat.exe	89
PID 3484 wrote to memory of 4348	3484	Explorer.EXE	90
PID 3484 wrote to memory of 4348	3484	Explorer.EXE	90
PID 3484 wrote to memory of 4348	3484	Explorer.EXE	90
PID 4348 wrote to memory of 1480	4348	wscript.exe	91
PID 4348 wrote to memory of 1480	4348	wscript.exe	91
PID 4348 wrote to memory of 1480	4348	wscript.exe	91

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3484
- C:\Users\Admin\AppData\Local\Temp\RFQ31072024_August order_pdf.bat.exe
  "C:\Users\Admin\AppData\Local\Temp\RFQ31072024_August order_pdf.bat.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:940
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\WwRzxUm.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:232
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WwRzxUm" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC822.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:5056
- - C:\Users\Admin\AppData\Local\Temp\RFQ31072024_August order_pdf.bat.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ31072024_August order_pdf.bat.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4760
- C:\Windows\SysWOW64\wscript.exe
  "C:\Windows\SysWOW64\wscript.exe"
  2⤵
  - Blocklisted process makes network request
  - 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:4348
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\RFQ31072024_August order_pdf.bat.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1480

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_iwj554pk.yew.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC822.tmp

Filesize
1KB

MD5
412f442a2d7c9363f0cf9700ad0d0309

SHA1
2495f9ecd38b00ec82da5ff9d6ea63d0f5dfdcff

SHA256
a890f20fc64d2112f2c5dd1d1cdc51a0c666298c84f9876c4078f8a062c1928d

SHA512
94141c4c0596acd59bcd5431582c6779d3ccca60cc93fe8b52f988108ad16215812ef3e36c28b1a6eb7abd790c264ec57d7034ef56c1fa1b28afa2099f1b81d1

Download Submit
memory/232-66-0x0000000007610000-0x0000000007618000-memory.dmp

Filesize
32KB

Download
memory/232-58-0x0000000007930000-0x0000000007FAA000-memory.dmp

Filesize
6.5MB

Download
memory/232-42-0x0000000006000000-0x000000000604C000-memory.dmp

Filesize
304KB

Download
memory/232-68-0x0000000075370000-0x0000000075B20000-memory.dmp

Filesize
7.7MB

Download
memory/232-65-0x0000000007630000-0x000000000764A000-memory.dmp

Filesize
104KB

Download
memory/232-64-0x0000000007530000-0x0000000007544000-memory.dmp

Filesize
80KB

Download
memory/232-63-0x0000000007520000-0x000000000752E000-memory.dmp

Filesize
56KB

Download
memory/232-62-0x00000000074F0000-0x0000000007501000-memory.dmp

Filesize
68KB

Download
memory/232-14-0x0000000002640000-0x0000000002676000-memory.dmp

Filesize
216KB

Download
memory/232-15-0x0000000075370000-0x0000000075B20000-memory.dmp

Filesize
7.7MB

Download
memory/232-61-0x0000000007570000-0x0000000007606000-memory.dmp

Filesize
600KB

Download
memory/232-17-0x00000000050A0000-0x00000000056C8000-memory.dmp

Filesize
6.2MB

Download
memory/232-18-0x0000000075370000-0x0000000075B20000-memory.dmp

Filesize
7.7MB

Download
memory/232-60-0x0000000007360000-0x000000000736A000-memory.dmp

Filesize
40KB

Download
memory/232-22-0x0000000004E90000-0x0000000004EB2000-memory.dmp

Filesize
136KB

Download
memory/232-59-0x00000000072F0000-0x000000000730A000-memory.dmp

Filesize
104KB

Download
memory/232-44-0x0000000007170000-0x00000000071A2000-memory.dmp

Filesize
200KB

Download
memory/232-24-0x0000000005820000-0x0000000005886000-memory.dmp

Filesize
408KB

Download
memory/232-23-0x0000000005740000-0x00000000057A6000-memory.dmp

Filesize
408KB

Download
memory/232-30-0x0000000005990000-0x0000000005CE4000-memory.dmp

Filesize
3.3MB

Download
memory/232-45-0x0000000071860000-0x00000000718AC000-memory.dmp

Filesize
304KB

Download
memory/232-55-0x0000000006570000-0x000000000658E000-memory.dmp

Filesize
120KB

Download
memory/232-56-0x0000000002630000-0x0000000002640000-memory.dmp

Filesize
64KB

Download
memory/232-57-0x00000000071B0000-0x0000000007253000-memory.dmp

Filesize
652KB

Download
memory/232-43-0x000000007F3B0000-0x000000007F3C0000-memory.dmp

Filesize
64KB

Download
memory/232-41-0x0000000005FD0000-0x0000000005FEE000-memory.dmp

Filesize
120KB

Download
memory/940-8-0x0000000005FD0000-0x0000000006046000-memory.dmp

Filesize
472KB

Download
memory/940-2-0x0000000005300000-0x00000000058A4000-memory.dmp

Filesize
5.6MB

Download
memory/940-9-0x0000000006290000-0x000000000632C000-memory.dmp

Filesize
624KB

Download
memory/940-0-0x000000007537E000-0x000000007537F000-memory.dmp

Filesize
4KB

Download
memory/940-3-0x0000000004DF0000-0x0000000004E82000-memory.dmp

Filesize
584KB

Download
memory/940-4-0x0000000075370000-0x0000000075B20000-memory.dmp

Filesize
7.7MB

Download
memory/940-6-0x0000000006440000-0x0000000006456000-memory.dmp

Filesize
88KB

Download
memory/940-25-0x0000000075370000-0x0000000075B20000-memory.dmp

Filesize
7.7MB

Download
memory/940-1-0x0000000000360000-0x00000000003FE000-memory.dmp

Filesize
632KB

Download
memory/940-21-0x000000007537E000-0x000000007537F000-memory.dmp

Filesize
4KB

Download
memory/940-7-0x0000000005FB0000-0x0000000005FBE000-memory.dmp

Filesize
56KB

Download
memory/940-5-0x0000000004EB0000-0x0000000004EBA000-memory.dmp

Filesize
40KB

Download
memory/3484-31-0x0000000009180000-0x00000000092DE000-memory.dmp

Filesize
1.4MB

Download
memory/3484-73-0x00000000036F0000-0x0000000003789000-memory.dmp

Filesize
612KB

Download
memory/4348-69-0x0000000000360000-0x0000000000387000-memory.dmp

Filesize
156KB

Download
memory/4348-70-0x00000000003A0000-0x00000000003CF000-memory.dmp

Filesize
188KB

Download
memory/4760-29-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4760-27-0x0000000001910000-0x0000000001C5A000-memory.dmp

Filesize
3.3MB

Download
memory/4760-28-0x0000000001470000-0x0000000001484000-memory.dmp

Filesize
80KB

Download
memory/4760-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download