formbook | 8bb48532070b3a86b87cd98b6981ace04da99995834908ba467408aaa7f33892

General

Target

E-dekont.pdf.exe
Size

695KB
MD5

75f7af69413756a902090b336ab6da23
SHA1

f38330c5afa9f51051c9482e0e36f0c6815634ef
SHA256

8bb48532070b3a86b87cd98b6981ace04da99995834908ba467408aaa7f33892
SHA512

3a6631f421d1e2e5ca26352b6966dee9abfa594f9df387c4d98b481d73dabb5b45d98594e2c209e23db6e96b9a79cc5e1987b826ad1e4a0cec5baf2633388ed2
SSDEEP

12288:hHuE6NgGxLuyN8jhrBol/OEoYhwAXpt7t2K6ophVj0/uXWfbkwyOPw:UNQjhrBCOERhw+p5Uoph5nWfNLw

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 3 IoCs

rat

resource	yara_rule
behavioral1/memory/3020-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/3020-19-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/3004-27-0x0000000000110000-0x000000000013F000-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
2656	powershell.exe

Deletes itself 1 IoCs

pid	Process
2044	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2788 set thread context of 3020	2788	E-dekont.pdf.exe	32
PID 3020 set thread context of 1196	3020	E-dekont.pdf.exe	21
PID 3004 set thread context of 1196	3004	rundll32.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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	E-dekont.pdf.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
3020	E-dekont.pdf.exe
3020	E-dekont.pdf.exe
2656	powershell.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
3020	E-dekont.pdf.exe
3020	E-dekont.pdf.exe
3020	E-dekont.pdf.exe
3004	rundll32.exe
3004	rundll32.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3020	E-dekont.pdf.exe
Token: SeDebugPrivilege	2656	powershell.exe
Token: SeDebugPrivilege	3004	rundll32.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2788 wrote to memory of 2656	2788	E-dekont.pdf.exe	31
PID 2788 wrote to memory of 2656	2788	E-dekont.pdf.exe	31
PID 2788 wrote to memory of 2656	2788	E-dekont.pdf.exe	31
PID 2788 wrote to memory of 2656	2788	E-dekont.pdf.exe	31
PID 2788 wrote to memory of 3020	2788	E-dekont.pdf.exe	32
PID 2788 wrote to memory of 3020	2788	E-dekont.pdf.exe	32
PID 2788 wrote to memory of 3020	2788	E-dekont.pdf.exe	32
PID 2788 wrote to memory of 3020	2788	E-dekont.pdf.exe	32
PID 2788 wrote to memory of 3020	2788	E-dekont.pdf.exe	32
PID 2788 wrote to memory of 3020	2788	E-dekont.pdf.exe	32
PID 2788 wrote to memory of 3020	2788	E-dekont.pdf.exe	32
PID 1196 wrote to memory of 3004	1196	Explorer.EXE	34
PID 1196 wrote to memory of 3004	1196	Explorer.EXE	34
PID 1196 wrote to memory of 3004	1196	Explorer.EXE	34
PID 1196 wrote to memory of 3004	1196	Explorer.EXE	34
PID 1196 wrote to memory of 3004	1196	Explorer.EXE	34
PID 1196 wrote to memory of 3004	1196	Explorer.EXE	34
PID 1196 wrote to memory of 3004	1196	Explorer.EXE	34
PID 3004 wrote to memory of 2044	3004	rundll32.exe	35
PID 3004 wrote to memory of 2044	3004	rundll32.exe	35
PID 3004 wrote to memory of 2044	3004	rundll32.exe	35
PID 3004 wrote to memory of 2044	3004	rundll32.exe	35

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1196
- C:\Users\Admin\AppData\Local\Temp\E-dekont.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\E-dekont.pdf.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2788
- - 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\E-dekont.pdf.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2656
- - C:\Users\Admin\AppData\Local\Temp\E-dekont.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\E-dekont.pdf.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3020
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\SysWOW64\rundll32.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:3004
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\E-dekont.pdf.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2044

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/1196-18-0x0000000003B30000-0x0000000003C30000-memory.dmp

Filesize
1024KB

Download
memory/1196-21-0x0000000005170000-0x0000000005222000-memory.dmp

Filesize
712KB

Download
memory/1196-28-0x0000000005170000-0x0000000005222000-memory.dmp

Filesize
712KB

Download
memory/2788-6-0x0000000074460000-0x0000000074B4E000-memory.dmp

Filesize
6.9MB

Download
memory/2788-4-0x000000007446E000-0x000000007446F000-memory.dmp

Filesize
4KB

Download
memory/2788-5-0x0000000074460000-0x0000000074B4E000-memory.dmp

Filesize
6.9MB

Download
memory/2788-3-0x0000000000A30000-0x0000000000A4C000-memory.dmp

Filesize
112KB

Download
memory/2788-7-0x0000000007DD0000-0x0000000007E46000-memory.dmp

Filesize
472KB

Download
memory/2788-2-0x0000000074460000-0x0000000074B4E000-memory.dmp

Filesize
6.9MB

Download
memory/2788-0-0x000000007446E000-0x000000007446F000-memory.dmp

Filesize
4KB

Download
memory/2788-15-0x0000000074460000-0x0000000074B4E000-memory.dmp

Filesize
6.9MB

Download
memory/2788-1-0x00000000013B0000-0x0000000001464000-memory.dmp

Filesize
720KB

Download
memory/3004-27-0x0000000000110000-0x000000000013F000-memory.dmp

Filesize
188KB

Download
memory/3004-26-0x0000000000EA0000-0x0000000000EAE000-memory.dmp

Filesize
56KB

Download
memory/3004-24-0x0000000000EA0000-0x0000000000EAE000-memory.dmp

Filesize
56KB

Download
memory/3020-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3020-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3020-20-0x0000000000280000-0x0000000000295000-memory.dmp

Filesize
84KB

Download
memory/3020-16-0x00000000009C0000-0x0000000000CC3000-memory.dmp

Filesize
3.0MB

Download
memory/3020-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3020-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3020-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

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