formbook | 4a16f87ede74f8f5cf4af54e78a69380979b1147a8302cd371d50947c4a0f0fe

Analysis

max time kernel
146s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-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
behavioral2/memory/2700-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2700-23-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/396-68-0x0000000001290000-0x00000000012BF000-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
2368	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	Scan 00089877676.pdf.scr

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1920 set thread context of 2700	1920	Scan 00089877676.pdf.scr	96
PID 2700 set thread context of 3476	2700	RegSvcs.exe	55
PID 396 set thread context of 3476	396	NETSTAT.EXE	55

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	Scan 00089877676.pdf.scr
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NETSTAT.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
396	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
1920	Scan 00089877676.pdf.scr
1920	Scan 00089877676.pdf.scr
2700	RegSvcs.exe
2700	RegSvcs.exe
2700	RegSvcs.exe
2700	RegSvcs.exe
2368	powershell.exe
2368	powershell.exe
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2700	RegSvcs.exe
2700	RegSvcs.exe
2700	RegSvcs.exe
396	NETSTAT.EXE
396	NETSTAT.EXE

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	1920	Scan 00089877676.pdf.scr
Token: SeDebugPrivilege	2700	RegSvcs.exe
Token: SeDebugPrivilege	2368	powershell.exe
Token: SeShutdownPrivilege	3476	Explorer.EXE
Token: SeCreatePagefilePrivilege	3476	Explorer.EXE
Token: SeDebugPrivilege	396	NETSTAT.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3476	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1920 wrote to memory of 2368	1920	Scan 00089877676.pdf.scr	93
PID 1920 wrote to memory of 2368	1920	Scan 00089877676.pdf.scr	93
PID 1920 wrote to memory of 2368	1920	Scan 00089877676.pdf.scr	93
PID 1920 wrote to memory of 412	1920	Scan 00089877676.pdf.scr	95
PID 1920 wrote to memory of 412	1920	Scan 00089877676.pdf.scr	95
PID 1920 wrote to memory of 412	1920	Scan 00089877676.pdf.scr	95
PID 1920 wrote to memory of 2700	1920	Scan 00089877676.pdf.scr	96
PID 1920 wrote to memory of 2700	1920	Scan 00089877676.pdf.scr	96
PID 1920 wrote to memory of 2700	1920	Scan 00089877676.pdf.scr	96
PID 1920 wrote to memory of 2700	1920	Scan 00089877676.pdf.scr	96
PID 1920 wrote to memory of 2700	1920	Scan 00089877676.pdf.scr	96
PID 1920 wrote to memory of 2700	1920	Scan 00089877676.pdf.scr	96
PID 3476 wrote to memory of 396	3476	Explorer.EXE	97
PID 3476 wrote to memory of 396	3476	Explorer.EXE	97
PID 3476 wrote to memory of 396	3476	Explorer.EXE	97
PID 396 wrote to memory of 4956	396	NETSTAT.EXE	98
PID 396 wrote to memory of 4956	396	NETSTAT.EXE	98
PID 396 wrote to memory of 4956	396	NETSTAT.EXE	98

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3476
- C:\Users\Admin\AppData\Local\Temp\Scan 00089877676.pdf.scr
  "C:\Users\Admin\AppData\Local\Temp\Scan 00089877676.pdf.scr" /S
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1920
- - 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:2368
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:412
- - 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:2700
- C:\Windows\SysWOW64\NETSTAT.EXE
  "C:\Windows\SysWOW64\NETSTAT.EXE"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Gathers network information
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:396
- - 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:4956

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_234dcix3.fwu.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/396-66-0x0000000000810000-0x000000000081B000-memory.dmp

Filesize
44KB

Download
memory/396-67-0x0000000000810000-0x000000000081B000-memory.dmp

Filesize
44KB

Download
memory/396-68-0x0000000001290000-0x00000000012BF000-memory.dmp

Filesize
188KB

Download
memory/1920-8-0x0000000074FDE000-0x0000000074FDF000-memory.dmp

Filesize
4KB

Download
memory/1920-6-0x0000000005470000-0x000000000550C000-memory.dmp

Filesize
624KB

Download
memory/1920-5-0x0000000074FD0000-0x0000000075780000-memory.dmp

Filesize
7.7MB

Download
memory/1920-7-0x0000000005530000-0x0000000005548000-memory.dmp

Filesize
96KB

Download
memory/1920-4-0x0000000005370000-0x000000000537A000-memory.dmp

Filesize
40KB

Download
memory/1920-9-0x0000000074FD0000-0x0000000075780000-memory.dmp

Filesize
7.7MB

Download
memory/1920-10-0x0000000006750000-0x00000000067C6000-memory.dmp

Filesize
472KB

Download
memory/1920-3-0x00000000051E0000-0x0000000005272000-memory.dmp

Filesize
584KB

Download
memory/1920-13-0x0000000074FD0000-0x0000000075780000-memory.dmp

Filesize
7.7MB

Download
memory/1920-2-0x00000000056F0000-0x0000000005C94000-memory.dmp

Filesize
5.6MB

Download
memory/1920-1-0x00000000008B0000-0x0000000000960000-memory.dmp

Filesize
704KB

Download
memory/1920-0-0x0000000074FDE000-0x0000000074FDF000-memory.dmp

Filesize
4KB

Download
memory/2368-20-0x0000000005AE0000-0x0000000005B46000-memory.dmp

Filesize
408KB

Download
memory/2368-52-0x0000000007310000-0x000000000732E000-memory.dmp

Filesize
120KB

Download
memory/2368-15-0x000000007505E000-0x000000007505F000-memory.dmp

Filesize
4KB

Download
memory/2368-65-0x0000000075050000-0x0000000075800000-memory.dmp

Filesize
7.7MB

Download
memory/2368-26-0x0000000004E70000-0x0000000004E80000-memory.dmp

Filesize
64KB

Download
memory/2368-62-0x00000000079A0000-0x00000000079A8000-memory.dmp

Filesize
32KB

Download
memory/2368-18-0x00000000054B0000-0x0000000005AD8000-memory.dmp

Filesize
6.2MB

Download
memory/2368-21-0x0000000005C00000-0x0000000005C66000-memory.dmp

Filesize
408KB

Download
memory/2368-17-0x0000000004DB0000-0x0000000004DE6000-memory.dmp

Filesize
216KB

Download
memory/2368-22-0x0000000075050000-0x0000000075800000-memory.dmp

Filesize
7.7MB

Download
memory/2368-36-0x0000000005E70000-0x00000000061C4000-memory.dmp

Filesize
3.3MB

Download
memory/2368-37-0x0000000006350000-0x000000000636E000-memory.dmp

Filesize
120KB

Download
memory/2368-38-0x00000000063A0000-0x00000000063EC000-memory.dmp

Filesize
304KB

Download
memory/2368-39-0x000000007F440000-0x000000007F450000-memory.dmp

Filesize
64KB

Download
memory/2368-40-0x0000000006920000-0x0000000006952000-memory.dmp

Filesize
200KB

Download
memory/2368-41-0x0000000070E70000-0x0000000070EBC000-memory.dmp

Filesize
304KB

Download
memory/2368-53-0x0000000007340000-0x00000000073E3000-memory.dmp

Filesize
652KB

Download
memory/2368-19-0x0000000005290000-0x00000000052B2000-memory.dmp

Filesize
136KB

Download
memory/2368-47-0x0000000004E70000-0x0000000004E80000-memory.dmp

Filesize
64KB

Download
memory/2368-55-0x0000000007680000-0x000000000769A000-memory.dmp

Filesize
104KB

Download
memory/2368-54-0x0000000007CC0000-0x000000000833A000-memory.dmp

Filesize
6.5MB

Download
memory/2368-56-0x00000000076F0000-0x00000000076FA000-memory.dmp

Filesize
40KB

Download
memory/2368-57-0x0000000007900000-0x0000000007996000-memory.dmp

Filesize
600KB

Download
memory/2368-58-0x0000000007880000-0x0000000007891000-memory.dmp

Filesize
68KB

Download
memory/2368-59-0x00000000078B0000-0x00000000078BE000-memory.dmp

Filesize
56KB

Download
memory/2368-60-0x00000000078C0000-0x00000000078D4000-memory.dmp

Filesize
80KB

Download
memory/2368-61-0x00000000079C0000-0x00000000079DA000-memory.dmp

Filesize
104KB

Download
memory/2700-23-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2700-24-0x0000000001AD0000-0x0000000001AE4000-memory.dmp

Filesize
80KB

Download
memory/2700-14-0x00000000015F0000-0x000000000193A000-memory.dmp

Filesize
3.3MB

Download
memory/2700-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3476-25-0x00000000085E0000-0x000000000876E000-memory.dmp

Filesize
1.6MB

Download
memory/3476-72-0x0000000002570000-0x0000000002636000-memory.dmp

Filesize
792KB

Download