formbook | 4a16f87ede74f8f5cf4af54e78a69380979b1147a8302cd371d50947c4a0f0fe

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-09-2024 09:00

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General

Target

Scan 00089877676.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 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2720-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2720-16-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2612-23-0x00000000000D0000-0x00000000000FF000-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
2584	powershell.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2776 set thread context of 2720	2776	Scan 00089877676.pdf.scr	33
PID 2720 set thread context of 1188	2720	RegSvcs.exe	21
PID 2612 set thread context of 1188	2612	cmstp.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	cmstp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Scan 00089877676.pdf.scr

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
2776	Scan 00089877676.pdf.scr
2776	Scan 00089877676.pdf.scr
2720	RegSvcs.exe
2720	RegSvcs.exe
2584	powershell.exe
2612	cmstp.exe
2612	cmstp.exe
2612	cmstp.exe
2612	cmstp.exe
2612	cmstp.exe
2612	cmstp.exe
2612	cmstp.exe
2612	cmstp.exe
2612	cmstp.exe
2612	cmstp.exe
2612	cmstp.exe
2612	cmstp.exe
2612	cmstp.exe
2612	cmstp.exe
2612	cmstp.exe
2612	cmstp.exe
2612	cmstp.exe
2612	cmstp.exe
2612	cmstp.exe
2612	cmstp.exe
2612	cmstp.exe
2612	cmstp.exe
2612	cmstp.exe
2612	cmstp.exe
2612	cmstp.exe
2612	cmstp.exe
2612	cmstp.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1188	Explorer.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2720	RegSvcs.exe
2720	RegSvcs.exe
2720	RegSvcs.exe
2612	cmstp.exe
2612	cmstp.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2776	Scan 00089877676.pdf.scr
Token: SeDebugPrivilege	2720	RegSvcs.exe
Token: SeDebugPrivilege	2584	powershell.exe
Token: SeDebugPrivilege	2612	cmstp.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 2776 wrote to memory of 2584	2776	Scan 00089877676.pdf.scr	30
PID 2776 wrote to memory of 2584	2776	Scan 00089877676.pdf.scr	30
PID 2776 wrote to memory of 2584	2776	Scan 00089877676.pdf.scr	30
PID 2776 wrote to memory of 2584	2776	Scan 00089877676.pdf.scr	30
PID 2776 wrote to memory of 2064	2776	Scan 00089877676.pdf.scr	31
PID 2776 wrote to memory of 2064	2776	Scan 00089877676.pdf.scr	31
PID 2776 wrote to memory of 2064	2776	Scan 00089877676.pdf.scr	31
PID 2776 wrote to memory of 2064	2776	Scan 00089877676.pdf.scr	31
PID 2776 wrote to memory of 2064	2776	Scan 00089877676.pdf.scr	31
PID 2776 wrote to memory of 2064	2776	Scan 00089877676.pdf.scr	31
PID 2776 wrote to memory of 2064	2776	Scan 00089877676.pdf.scr	31
PID 2776 wrote to memory of 2720	2776	Scan 00089877676.pdf.scr	33
PID 2776 wrote to memory of 2720	2776	Scan 00089877676.pdf.scr	33
PID 2776 wrote to memory of 2720	2776	Scan 00089877676.pdf.scr	33
PID 2776 wrote to memory of 2720	2776	Scan 00089877676.pdf.scr	33
PID 2776 wrote to memory of 2720	2776	Scan 00089877676.pdf.scr	33
PID 2776 wrote to memory of 2720	2776	Scan 00089877676.pdf.scr	33
PID 2776 wrote to memory of 2720	2776	Scan 00089877676.pdf.scr	33
PID 2776 wrote to memory of 2720	2776	Scan 00089877676.pdf.scr	33
PID 2776 wrote to memory of 2720	2776	Scan 00089877676.pdf.scr	33
PID 2776 wrote to memory of 2720	2776	Scan 00089877676.pdf.scr	33
PID 1188 wrote to memory of 2612	1188	Explorer.EXE	34
PID 1188 wrote to memory of 2612	1188	Explorer.EXE	34
PID 1188 wrote to memory of 2612	1188	Explorer.EXE	34
PID 1188 wrote to memory of 2612	1188	Explorer.EXE	34
PID 1188 wrote to memory of 2612	1188	Explorer.EXE	34
PID 1188 wrote to memory of 2612	1188	Explorer.EXE	34
PID 1188 wrote to memory of 2612	1188	Explorer.EXE	34
PID 2612 wrote to memory of 1160	2612	cmstp.exe	35
PID 2612 wrote to memory of 1160	2612	cmstp.exe	35
PID 2612 wrote to memory of 1160	2612	cmstp.exe	35
PID 2612 wrote to memory of 1160	2612	cmstp.exe	35

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:1188
- C:\Users\Admin\AppData\Local\Temp\Scan 00089877676.pdf.scr
  "C:\Users\Admin\AppData\Local\Temp\Scan 00089877676.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:2776
- - 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\Scan 00089877676.pdf.scr"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2584
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:2064
- - 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:2720
- C:\Windows\SysWOW64\cmstp.exe
  "C:\Windows\SysWOW64\cmstp.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:2612
- - 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:1160

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

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1188-18-0x0000000006520000-0x000000000660B000-memory.dmp

Filesize
940KB

Download
memory/1188-27-0x0000000006D80000-0x0000000006EAA000-memory.dmp

Filesize
1.2MB

Download
memory/1188-24-0x0000000006520000-0x000000000660B000-memory.dmp

Filesize
940KB

Download
memory/1188-15-0x0000000000320000-0x0000000000420000-memory.dmp

Filesize
1024KB

Download
memory/2612-23-0x00000000000D0000-0x00000000000FF000-memory.dmp

Filesize
188KB

Download
memory/2612-22-0x0000000000C40000-0x0000000000C58000-memory.dmp

Filesize
96KB

Download
memory/2720-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2720-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2720-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2720-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2720-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2720-13-0x00000000008D0000-0x0000000000BD3000-memory.dmp

Filesize
3.0MB

Download
memory/2720-17-0x00000000001A0000-0x00000000001B4000-memory.dmp

Filesize
80KB

Download
memory/2776-21-0x00000000745C0000-0x0000000074CAE000-memory.dmp

Filesize
6.9MB

Download
memory/2776-6-0x0000000005750000-0x00000000057C6000-memory.dmp

Filesize
472KB

Download
memory/2776-0-0x00000000745CE000-0x00000000745CF000-memory.dmp

Filesize
4KB

Download
memory/2776-5-0x00000000745C0000-0x0000000074CAE000-memory.dmp

Filesize
6.9MB

Download
memory/2776-4-0x00000000745CE000-0x00000000745CF000-memory.dmp

Filesize
4KB

Download
memory/2776-3-0x0000000000910000-0x0000000000928000-memory.dmp

Filesize
96KB

Download
memory/2776-2-0x00000000745C0000-0x0000000074CAE000-memory.dmp

Filesize
6.9MB

Download
memory/2776-1-0x0000000000950000-0x0000000000A00000-memory.dmp

Filesize
704KB

Download