formbook | 4a16f87ede74f8f5cf4af54e78a69380979b1147a8302cd371d50947c4a0f0fe

Analysis

max time kernel
149s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
05-09-2024 19:25

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Scan00089877676.pdf.scr
Size

691KB
MD5

911975bbf09185224dcc9ac41aef0d79
SHA1

30b45461b02c47202d3e53d422e6dd2a03f9a784
SHA256

4a16f87ede74f8f5cf4af54e78a69380979b1147a8302cd371d50947c4a0f0fe
SHA512

d889be596835c6a8fb22e7a753ff744f94201d83b2a712ea576edc9f151f225ea9125cbcb7a7f0df122a78dd152271490a96a6aab0bbd1c4e3ed602d21c4d30e
SSDEEP

12288:PUx1UoIG5MPUYjD8mMj0z4vjIvlna0QDL2kq/wkQsu1FJeBsHvM7Sd2AN89kR:EUobyZH8K1wfGkqCsujJdHvMK8g

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 4 IoCs

rat

resource	yara_rule
behavioral1/memory/2940-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2940-21-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2940-23-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2732-25-0x0000000000110000-0x000000000013F000-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
1980	powershell.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2700 set thread context of 2940	2700	Scan00089877676.pdf.scr	33
PID 2940 set thread context of 1200	2940	RegSvcs.exe	21
PID 2940 set thread context of 1200	2940	RegSvcs.exe	21
PID 2732 set thread context of 1200	2732	chkdsk.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	chkdsk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Scan00089877676.pdf.scr
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
2700	Scan00089877676.pdf.scr
2700	Scan00089877676.pdf.scr
2940	RegSvcs.exe
2940	RegSvcs.exe
1980	powershell.exe
2940	RegSvcs.exe
2732	chkdsk.exe
2732	chkdsk.exe
2732	chkdsk.exe
2732	chkdsk.exe
2732	chkdsk.exe
2732	chkdsk.exe
2732	chkdsk.exe
2732	chkdsk.exe
2732	chkdsk.exe
2732	chkdsk.exe
2732	chkdsk.exe
2732	chkdsk.exe
2732	chkdsk.exe
2732	chkdsk.exe
2732	chkdsk.exe
2732	chkdsk.exe
2732	chkdsk.exe
2732	chkdsk.exe
2732	chkdsk.exe
2732	chkdsk.exe
2732	chkdsk.exe
2732	chkdsk.exe
2732	chkdsk.exe
2732	chkdsk.exe
2732	chkdsk.exe
2732	chkdsk.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2940	RegSvcs.exe
2940	RegSvcs.exe
2940	RegSvcs.exe
2940	RegSvcs.exe
2732	chkdsk.exe
2732	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2700	Scan00089877676.pdf.scr
Token: SeDebugPrivilege	2940	RegSvcs.exe
Token: SeDebugPrivilege	1980	powershell.exe
Token: SeDebugPrivilege	2732	chkdsk.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2700 wrote to memory of 1980	2700	Scan00089877676.pdf.scr	30
PID 2700 wrote to memory of 1980	2700	Scan00089877676.pdf.scr	30
PID 2700 wrote to memory of 1980	2700	Scan00089877676.pdf.scr	30
PID 2700 wrote to memory of 1980	2700	Scan00089877676.pdf.scr	30
PID 2700 wrote to memory of 1632	2700	Scan00089877676.pdf.scr	31
PID 2700 wrote to memory of 1632	2700	Scan00089877676.pdf.scr	31
PID 2700 wrote to memory of 1632	2700	Scan00089877676.pdf.scr	31
PID 2700 wrote to memory of 1632	2700	Scan00089877676.pdf.scr	31
PID 2700 wrote to memory of 1632	2700	Scan00089877676.pdf.scr	31
PID 2700 wrote to memory of 1632	2700	Scan00089877676.pdf.scr	31
PID 2700 wrote to memory of 1632	2700	Scan00089877676.pdf.scr	31
PID 2700 wrote to memory of 2940	2700	Scan00089877676.pdf.scr	33
PID 2700 wrote to memory of 2940	2700	Scan00089877676.pdf.scr	33
PID 2700 wrote to memory of 2940	2700	Scan00089877676.pdf.scr	33
PID 2700 wrote to memory of 2940	2700	Scan00089877676.pdf.scr	33
PID 2700 wrote to memory of 2940	2700	Scan00089877676.pdf.scr	33
PID 2700 wrote to memory of 2940	2700	Scan00089877676.pdf.scr	33
PID 2700 wrote to memory of 2940	2700	Scan00089877676.pdf.scr	33
PID 2700 wrote to memory of 2940	2700	Scan00089877676.pdf.scr	33
PID 2700 wrote to memory of 2940	2700	Scan00089877676.pdf.scr	33
PID 2700 wrote to memory of 2940	2700	Scan00089877676.pdf.scr	33
PID 1200 wrote to memory of 2732	1200	Explorer.EXE	35
PID 1200 wrote to memory of 2732	1200	Explorer.EXE	35
PID 1200 wrote to memory of 2732	1200	Explorer.EXE	35
PID 1200 wrote to memory of 2732	1200	Explorer.EXE	35
PID 2732 wrote to memory of 2632	2732	chkdsk.exe	36
PID 2732 wrote to memory of 2632	2732	chkdsk.exe	36
PID 2732 wrote to memory of 2632	2732	chkdsk.exe	36
PID 2732 wrote to memory of 2632	2732	chkdsk.exe	36

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1200
- C:\Users\Admin\AppData\Local\Temp\Scan00089877676.pdf.scr
  "C:\Users\Admin\AppData\Local\Temp\Scan00089877676.pdf.scr" /S
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2700
- - 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\Scan00089877676.pdf.scr"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1980
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:1632
- - 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:2940
- C:\Windows\SysWOW64\chkdsk.exe
  "C:\Windows\SysWOW64\chkdsk.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Enumerates system info in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2732
- - 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:2632

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

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

memory/1200-22-0x00000000002B0000-0x00000000003B0000-memory.dmp

Filesize
1024KB

Download
memory/2700-20-0x0000000073F70000-0x000000007465E000-memory.dmp

Filesize
6.9MB

Download
memory/2700-5-0x0000000073F70000-0x000000007465E000-memory.dmp

Filesize
6.9MB

Download
memory/2700-1-0x0000000001100000-0x00000000011B0000-memory.dmp

Filesize
704KB

Download
memory/2700-4-0x0000000073F7E000-0x0000000073F7F000-memory.dmp

Filesize
4KB

Download
memory/2700-0-0x0000000073F7E000-0x0000000073F7F000-memory.dmp

Filesize
4KB

Download
memory/2700-6-0x0000000004F30000-0x0000000004FA6000-memory.dmp

Filesize
472KB

Download
memory/2700-2-0x0000000073F70000-0x000000007465E000-memory.dmp

Filesize
6.9MB

Download
memory/2700-3-0x0000000000480000-0x0000000000498000-memory.dmp

Filesize
96KB

Download
memory/2732-24-0x0000000000A40000-0x0000000000A47000-memory.dmp

Filesize
28KB

Download
memory/2732-25-0x0000000000110000-0x000000000013F000-memory.dmp

Filesize
188KB

Download
memory/2940-19-0x00000000009C0000-0x0000000000CC3000-memory.dmp

Filesize
3.0MB

Download
memory/2940-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2940-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2940-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2940-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2940-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2940-23-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download