formbook | 9adb74d4a3e30d322e070b91da3865ae8c7b71dd0f4ebce22538d0ef73a55264

General

Target

RFQ403065852.pdf.bat.exe
Size

668KB
MD5

548723a3e99422d6ccf19ae013010e1b
SHA1

27e594a6814393331674014791cea927caeaf4a1
SHA256

9adb74d4a3e30d322e070b91da3865ae8c7b71dd0f4ebce22538d0ef73a55264
SHA512

3042a661121e5bb7fe77af406512ccbf7d745a8291ece023f416803bd6c546420868ed06d0144044e84d2875ab048244b640f9bfeb67d564f4c43105102f0b81
SSDEEP

12288:TkcZDcY/I1Y+04N46gUgXdaWzLgT4yOXqthDSRhIiKKKEA1A9/kR:YcBM1gzzXl9RXq32DKKKEGZ

Score

10^/10

formbook m49z discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

m49z

Decoy

ormswarm.xyz

awn-care-63587.bond

uymetanail5.online

mergencyloan007.xyz

545.top

eiliao596.pro

ackersandmoverschennai.net

ehdiahmadvandmusicbest.click

tlgxmb2024.cloud

ulfcoastharborhopper.pro

rohns-disease-early-signs.today

oldenhorizonsbgcl.click

weetindulgencepro.xyz

yexoiup.xyz

yself-solar.net

kfirsatimla.online

bropub3.online

ouljourney.online

usvf76f.shop

onnaberich.online

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/2748-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2748-21-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2376-22-0x0000000000070000-0x000000000009F000-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
2320	powershell.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1724 set thread context of 2748	1724	RFQ403065852.pdf.bat.exe	33
PID 2748 set thread context of 1192	2748	RegSvcs.exe	21
PID 2376 set thread context of 1192	2376	wscript.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 4 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	wscript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RFQ403065852.pdf.bat.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

pid	Process
2748	RegSvcs.exe
2748	RegSvcs.exe
2320	powershell.exe
2376	wscript.exe
2376	wscript.exe
2376	wscript.exe
2376	wscript.exe
2376	wscript.exe
2376	wscript.exe
2376	wscript.exe
2376	wscript.exe
2376	wscript.exe
2376	wscript.exe
2376	wscript.exe
2376	wscript.exe
2376	wscript.exe
2376	wscript.exe
2376	wscript.exe
2376	wscript.exe
2376	wscript.exe
2376	wscript.exe
2376	wscript.exe
2376	wscript.exe
2376	wscript.exe
2376	wscript.exe
2376	wscript.exe
2376	wscript.exe
2376	wscript.exe
2376	wscript.exe
2376	wscript.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2748	RegSvcs.exe
2748	RegSvcs.exe
2748	RegSvcs.exe
2376	wscript.exe
2376	wscript.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2748	RegSvcs.exe
Token: SeDebugPrivilege	2320	powershell.exe
Token: SeDebugPrivilege	2376	wscript.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 1724 wrote to memory of 2320	1724	RFQ403065852.pdf.bat.exe	31
PID 1724 wrote to memory of 2320	1724	RFQ403065852.pdf.bat.exe	31
PID 1724 wrote to memory of 2320	1724	RFQ403065852.pdf.bat.exe	31
PID 1724 wrote to memory of 2320	1724	RFQ403065852.pdf.bat.exe	31
PID 1724 wrote to memory of 2748	1724	RFQ403065852.pdf.bat.exe	33
PID 1724 wrote to memory of 2748	1724	RFQ403065852.pdf.bat.exe	33
PID 1724 wrote to memory of 2748	1724	RFQ403065852.pdf.bat.exe	33
PID 1724 wrote to memory of 2748	1724	RFQ403065852.pdf.bat.exe	33
PID 1724 wrote to memory of 2748	1724	RFQ403065852.pdf.bat.exe	33
PID 1724 wrote to memory of 2748	1724	RFQ403065852.pdf.bat.exe	33
PID 1724 wrote to memory of 2748	1724	RFQ403065852.pdf.bat.exe	33
PID 1724 wrote to memory of 2748	1724	RFQ403065852.pdf.bat.exe	33
PID 1724 wrote to memory of 2748	1724	RFQ403065852.pdf.bat.exe	33
PID 1724 wrote to memory of 2748	1724	RFQ403065852.pdf.bat.exe	33
PID 1192 wrote to memory of 2376	1192	Explorer.EXE	34
PID 1192 wrote to memory of 2376	1192	Explorer.EXE	34
PID 1192 wrote to memory of 2376	1192	Explorer.EXE	34
PID 1192 wrote to memory of 2376	1192	Explorer.EXE	34
PID 2376 wrote to memory of 2856	2376	wscript.exe	35
PID 2376 wrote to memory of 2856	2376	wscript.exe	35
PID 2376 wrote to memory of 2856	2376	wscript.exe	35
PID 2376 wrote to memory of 2856	2376	wscript.exe	35

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1192
- C:\Users\Admin\AppData\Local\Temp\RFQ403065852.pdf.bat.exe
  "C:\Users\Admin\AppData\Local\Temp\RFQ403065852.pdf.bat.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1724
- - 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\RFQ403065852.pdf.bat.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2320
- - 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:2748
- C:\Windows\SysWOW64\wscript.exe
  "C:\Windows\SysWOW64\wscript.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:2376
- - 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:2856

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1724-15-0x0000000074B80000-0x000000007526E000-memory.dmp

Filesize
6.9MB

Download
memory/1724-1-0x00000000003F0000-0x000000000049A000-memory.dmp

Filesize
680KB

Download
memory/1724-2-0x0000000074B80000-0x000000007526E000-memory.dmp

Filesize
6.9MB

Download
memory/1724-3-0x0000000000540000-0x0000000000550000-memory.dmp

Filesize
64KB

Download
memory/1724-4-0x0000000074B8E000-0x0000000074B8F000-memory.dmp

Filesize
4KB

Download
memory/1724-5-0x0000000074B80000-0x000000007526E000-memory.dmp

Filesize
6.9MB

Download
memory/1724-6-0x0000000005460000-0x00000000054D6000-memory.dmp

Filesize
472KB

Download
memory/1724-0-0x0000000074B8E000-0x0000000074B8F000-memory.dmp

Filesize
4KB

Download
memory/2376-22-0x0000000000070000-0x000000000009F000-memory.dmp

Filesize
188KB

Download
memory/2376-20-0x00000000003B0000-0x00000000003D6000-memory.dmp

Filesize
152KB

Download
memory/2748-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2748-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2748-16-0x0000000000820000-0x0000000000B23000-memory.dmp

Filesize
3.0MB

Download
memory/2748-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2748-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2748-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download

Analysis

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