formbook | 8ef601ca3c9f083d30e8c32c00ebe899cdf8129b5e9c7e6a38c28c84aeddc19e

General

Target

DA_2024.23.10.pdf.exe
Size

701KB
MD5

38f2a78cdc03a61eac542c14d588472e
SHA1

fb00cd6efd6551c03e44e9344e8a1e7b4cd33745
SHA256

8ef601ca3c9f083d30e8c32c00ebe899cdf8129b5e9c7e6a38c28c84aeddc19e
SHA512

0203ed0dc3353de5da8878b12b66914f26e2dbe97d039a61387f1603091f5d06c1facf99aa4e760fa3e6dea67bc271d0927e21cdc848b6d316dfcbec7f24af03
SSDEEP

12288:Cb6qGanC0p78kt3doR6eOAZuYSut8p55hlOvGTw3bAC6cLqPz6qMtsj:CbcaC0B8k5SVOAZuuWdhl2Qw3VHLq+HS

Score

10^/10

formbook m17o discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

m17o

Decoy

kzqh72.top

arket-obybqq.xyz

afechoice.click

ote-knplpa.xyz

aqgpie.xyz

orker-ornp.xyz

he-beds321.today

ut-nlvv.xyz

31231827.xyz

milymariephotography.net

wquqo.click

veu-where.xyz

mjcpo-pick.xyz

yself-lpnbdl.xyz

austoowagosha.net

ive-wgag.xyz

lay-drift-palace.xyz

old-vubgv.xyz

ideo-shooting-courses.today

ntendsisaiasjazmin.shop

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral1/memory/2544-13-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2544-18-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2544-24-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2992-26-0x0000000000080000-0x00000000000AF000-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
2892	powershell.exe

Deletes itself 1 IoCs

pid	Process
2996	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2736 set thread context of 2544	2736	DA_2024.23.10.pdf.exe	30
PID 2544 set thread context of 1168	2544	DA_2024.23.10.pdf.exe	21
PID 2544 set thread context of 1168	2544	DA_2024.23.10.pdf.exe	21
PID 2992 set thread context of 1168	2992	svchost.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DA_2024.23.10.pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2736	DA_2024.23.10.pdf.exe
2736	DA_2024.23.10.pdf.exe
2544	DA_2024.23.10.pdf.exe
2544	DA_2024.23.10.pdf.exe
2892	powershell.exe
2544	DA_2024.23.10.pdf.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2544	DA_2024.23.10.pdf.exe
2544	DA_2024.23.10.pdf.exe
2544	DA_2024.23.10.pdf.exe
2544	DA_2024.23.10.pdf.exe
2992	svchost.exe
2992	svchost.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2736	DA_2024.23.10.pdf.exe
Token: SeDebugPrivilege	2544	DA_2024.23.10.pdf.exe
Token: SeDebugPrivilege	2892	powershell.exe
Token: SeDebugPrivilege	2992	svchost.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2736 wrote to memory of 2892	2736	DA_2024.23.10.pdf.exe	28
PID 2736 wrote to memory of 2892	2736	DA_2024.23.10.pdf.exe	28
PID 2736 wrote to memory of 2892	2736	DA_2024.23.10.pdf.exe	28
PID 2736 wrote to memory of 2892	2736	DA_2024.23.10.pdf.exe	28
PID 2736 wrote to memory of 2544	2736	DA_2024.23.10.pdf.exe	30
PID 2736 wrote to memory of 2544	2736	DA_2024.23.10.pdf.exe	30
PID 2736 wrote to memory of 2544	2736	DA_2024.23.10.pdf.exe	30
PID 2736 wrote to memory of 2544	2736	DA_2024.23.10.pdf.exe	30
PID 2736 wrote to memory of 2544	2736	DA_2024.23.10.pdf.exe	30
PID 2736 wrote to memory of 2544	2736	DA_2024.23.10.pdf.exe	30
PID 2736 wrote to memory of 2544	2736	DA_2024.23.10.pdf.exe	30
PID 1168 wrote to memory of 2992	1168	Explorer.EXE	31
PID 1168 wrote to memory of 2992	1168	Explorer.EXE	31
PID 1168 wrote to memory of 2992	1168	Explorer.EXE	31
PID 1168 wrote to memory of 2992	1168	Explorer.EXE	31
PID 2992 wrote to memory of 2996	2992	svchost.exe	32
PID 2992 wrote to memory of 2996	2992	svchost.exe	32
PID 2992 wrote to memory of 2996	2992	svchost.exe	32
PID 2992 wrote to memory of 2996	2992	svchost.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1168
- C:\Users\Admin\AppData\Local\Temp\DA_2024.23.10.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\DA_2024.23.10.pdf.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2736
- - 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\DA_2024.23.10.pdf.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2892
- - C:\Users\Admin\AppData\Local\Temp\DA_2024.23.10.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\DA_2024.23.10.pdf.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2544
- C:\Windows\SysWOW64\svchost.exe
  "C:\Windows\SysWOW64\svchost.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:2992
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\DA_2024.23.10.pdf.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2996

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/1168-19-0x0000000004F10000-0x0000000005021000-memory.dmp

Filesize
1.1MB

Download
memory/1168-23-0x0000000004F10000-0x0000000005021000-memory.dmp

Filesize
1.1MB

Download
memory/2544-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2544-18-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2544-24-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2544-16-0x00000000009E0000-0x0000000000CE3000-memory.dmp

Filesize
3.0MB

Download
memory/2544-17-0x0000000000300000-0x0000000000315000-memory.dmp

Filesize
84KB

Download
memory/2544-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2544-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2544-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2736-14-0x00000000741C0000-0x00000000748AE000-memory.dmp

Filesize
6.9MB

Download
memory/2736-3-0x0000000000690000-0x00000000006AE000-memory.dmp

Filesize
120KB

Download
memory/2736-0-0x00000000741CE000-0x00000000741CF000-memory.dmp

Filesize
4KB

Download
memory/2736-6-0x00000000009D0000-0x0000000000A46000-memory.dmp

Filesize
472KB

Download
memory/2736-5-0x00000000741C0000-0x00000000748AE000-memory.dmp

Filesize
6.9MB

Download
memory/2736-2-0x00000000741C0000-0x00000000748AE000-memory.dmp

Filesize
6.9MB

Download
memory/2736-1-0x0000000000D50000-0x0000000000E06000-memory.dmp

Filesize
728KB

Download
memory/2736-4-0x00000000741CE000-0x00000000741CF000-memory.dmp

Filesize
4KB

Download
memory/2992-25-0x0000000000D90000-0x0000000000D98000-memory.dmp

Filesize
32KB

Download
memory/2992-26-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download

Analysis

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