formbook | f1e77b61689144021e0597883e58c743c954dc5e0977e09a6a76b0b15b972840

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
30-01-2025 13:49

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General

Target

PO-09OCT2024-1.pdf.scr
Size

764KB
MD5

1d278e311f71d28a7b468c9e8c42d3e8
SHA1

9deb9da31e00f63d2a607d717c26a3d29e1ded5f
SHA256

2817a9a6fc061c9f8e6e7c341b778b403ceaeb439cb8e40760c908ada5c323cd
SHA512

2c994e0637a9a0ed662f65a8316aee8c8d781f5770090e4bb6e35315dc9f042cb4f712fbe7a809424ad9391299beec23dfccf010d55d063186485af49b3f813f
SSDEEP

12288:vcmEZ3bkiEWVZ25bNMHWQLElf7MIboj2buIVToTX6PUVgIGi7TykR:vEtBEWVE5GHWQLEl+2t0TqUVgK

Score

10^/10

formbook rn94 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

rn94

Decoy

st68v.xyz

conciergenotary.net

qwechaotk.top

rtpdonatoto29.xyz

8ad.xyz

powermove.top

cameras-30514.bond

vanguardcoffee.shop

umoe53fxc1bsujv.buzz

consultoriamax.net

hplxx.com

ndu.wtf

yzh478c.xyz

bigbrown999.site

xiake07.asia

resdai.xyz

the35678.shop

ba6rf.rest

ceo688.com

phimxhot.xyz

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/4936-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4936-20-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1684-72-0x00000000003B0000-0x00000000003DF000-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
4648	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-1-5-21-3625106387-4207083342-115176794-1000\Control Panel\International\Geo\Nation	PO-09OCT2024-1.pdf.scr

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3892 set thread context of 4936	3892	PO-09OCT2024-1.pdf.scr	88
PID 4936 set thread context of 3484	4936	PO-09OCT2024-1.pdf.scr	56
PID 1684 set thread context of 3484	1684	cmstp.exe	56

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	PO-09OCT2024-1.pdf.scr
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

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
3892	PO-09OCT2024-1.pdf.scr
3892	PO-09OCT2024-1.pdf.scr
4936	PO-09OCT2024-1.pdf.scr
4936	PO-09OCT2024-1.pdf.scr
4936	PO-09OCT2024-1.pdf.scr
4936	PO-09OCT2024-1.pdf.scr
4648	powershell.exe
4648	powershell.exe
1684	cmstp.exe
1684	cmstp.exe
1684	cmstp.exe
1684	cmstp.exe
1684	cmstp.exe
1684	cmstp.exe
1684	cmstp.exe
1684	cmstp.exe
1684	cmstp.exe
1684	cmstp.exe
1684	cmstp.exe
1684	cmstp.exe
1684	cmstp.exe
1684	cmstp.exe
1684	cmstp.exe
1684	cmstp.exe
1684	cmstp.exe
1684	cmstp.exe
1684	cmstp.exe
1684	cmstp.exe
1684	cmstp.exe
1684	cmstp.exe
1684	cmstp.exe
1684	cmstp.exe
1684	cmstp.exe
1684	cmstp.exe
1684	cmstp.exe
1684	cmstp.exe
1684	cmstp.exe
1684	cmstp.exe
1684	cmstp.exe
1684	cmstp.exe
1684	cmstp.exe
1684	cmstp.exe
1684	cmstp.exe
1684	cmstp.exe
1684	cmstp.exe
1684	cmstp.exe
1684	cmstp.exe
1684	cmstp.exe
1684	cmstp.exe
1684	cmstp.exe
1684	cmstp.exe
1684	cmstp.exe
1684	cmstp.exe
1684	cmstp.exe
1684	cmstp.exe
1684	cmstp.exe
1684	cmstp.exe
1684	cmstp.exe
1684	cmstp.exe
1684	cmstp.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
4936	PO-09OCT2024-1.pdf.scr
4936	PO-09OCT2024-1.pdf.scr
4936	PO-09OCT2024-1.pdf.scr
1684	cmstp.exe
1684	cmstp.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	3892	PO-09OCT2024-1.pdf.scr
Token: SeDebugPrivilege	4936	PO-09OCT2024-1.pdf.scr
Token: SeDebugPrivilege	4648	powershell.exe
Token: SeDebugPrivilege	1684	cmstp.exe
Token: SeShutdownPrivilege	3484	Explorer.EXE
Token: SeCreatePagefilePrivilege	3484	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3484	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3892 wrote to memory of 4648	3892	PO-09OCT2024-1.pdf.scr	86
PID 3892 wrote to memory of 4648	3892	PO-09OCT2024-1.pdf.scr	86
PID 3892 wrote to memory of 4648	3892	PO-09OCT2024-1.pdf.scr	86
PID 3892 wrote to memory of 4936	3892	PO-09OCT2024-1.pdf.scr	88
PID 3892 wrote to memory of 4936	3892	PO-09OCT2024-1.pdf.scr	88
PID 3892 wrote to memory of 4936	3892	PO-09OCT2024-1.pdf.scr	88
PID 3892 wrote to memory of 4936	3892	PO-09OCT2024-1.pdf.scr	88
PID 3892 wrote to memory of 4936	3892	PO-09OCT2024-1.pdf.scr	88
PID 3892 wrote to memory of 4936	3892	PO-09OCT2024-1.pdf.scr	88
PID 3484 wrote to memory of 1684	3484	Explorer.EXE	89
PID 3484 wrote to memory of 1684	3484	Explorer.EXE	89
PID 3484 wrote to memory of 1684	3484	Explorer.EXE	89
PID 1684 wrote to memory of 3192	1684	cmstp.exe	90
PID 1684 wrote to memory of 3192	1684	cmstp.exe	90
PID 1684 wrote to memory of 3192	1684	cmstp.exe	90

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3484
- C:\Users\Admin\AppData\Local\Temp\PO-09OCT2024-1.pdf.scr
  "C:\Users\Admin\AppData\Local\Temp\PO-09OCT2024-1.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:3892
- - 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\PO-09OCT2024-1.pdf.scr"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4648
- - C:\Users\Admin\AppData\Local\Temp\PO-09OCT2024-1.pdf.scr
    "C:\Users\Admin\AppData\Local\Temp\PO-09OCT2024-1.pdf.scr"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4936
- 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:1684
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\PO-09OCT2024-1.pdf.scr"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3192

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hpdrxia5.0ja.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1684-58-0x0000000000950000-0x0000000000966000-memory.dmp

Filesize
88KB

Download
memory/1684-57-0x0000000000950000-0x0000000000966000-memory.dmp

Filesize
88KB

Download
memory/1684-72-0x00000000003B0000-0x00000000003DF000-memory.dmp

Filesize
188KB

Download
memory/3484-21-0x0000000008940000-0x0000000008A77000-memory.dmp

Filesize
1.2MB

Download
memory/3484-71-0x0000000008940000-0x0000000008A77000-memory.dmp

Filesize
1.2MB

Download
memory/3484-75-0x0000000002BC0000-0x0000000002C6B000-memory.dmp

Filesize
684KB

Download
memory/3892-8-0x0000000075040000-0x00000000757F0000-memory.dmp

Filesize
7.7MB

Download
memory/3892-7-0x000000007504E000-0x000000007504F000-memory.dmp

Filesize
4KB

Download
memory/3892-9-0x00000000067E0000-0x0000000006856000-memory.dmp

Filesize
472KB

Download
memory/3892-10-0x00000000069F0000-0x0000000006A8C000-memory.dmp

Filesize
624KB

Download
memory/3892-6-0x0000000005680000-0x0000000005698000-memory.dmp

Filesize
96KB

Download
memory/3892-13-0x0000000075040000-0x00000000757F0000-memory.dmp

Filesize
7.7MB

Download
memory/3892-0-0x000000007504E000-0x000000007504F000-memory.dmp

Filesize
4KB

Download
memory/3892-5-0x0000000075040000-0x00000000757F0000-memory.dmp

Filesize
7.7MB

Download
memory/3892-4-0x0000000005450000-0x000000000545A000-memory.dmp

Filesize
40KB

Download
memory/3892-3-0x0000000005480000-0x0000000005512000-memory.dmp

Filesize
584KB

Download
memory/3892-2-0x0000000005B50000-0x00000000060F4000-memory.dmp

Filesize
5.6MB

Download
memory/3892-1-0x00000000009E0000-0x0000000000AA2000-memory.dmp

Filesize
776KB

Download
memory/4648-15-0x00000000750EE000-0x00000000750EF000-memory.dmp

Filesize
4KB

Download
memory/4648-55-0x0000000007490000-0x0000000007B0A000-memory.dmp

Filesize
6.5MB

Download
memory/4648-18-0x00000000750E0000-0x0000000075890000-memory.dmp

Filesize
7.7MB

Download
memory/4648-24-0x0000000004A60000-0x0000000004A82000-memory.dmp

Filesize
136KB

Download
memory/4648-26-0x00000000054F0000-0x0000000005556000-memory.dmp

Filesize
408KB

Download
memory/4648-25-0x0000000004D80000-0x0000000004DE6000-memory.dmp

Filesize
408KB

Download
memory/4648-16-0x0000000002200000-0x0000000002236000-memory.dmp

Filesize
216KB

Download
memory/4648-36-0x0000000005560000-0x00000000058B4000-memory.dmp

Filesize
3.3MB

Download
memory/4648-37-0x0000000005B30000-0x0000000005B4E000-memory.dmp

Filesize
120KB

Download
memory/4648-38-0x0000000005BC0000-0x0000000005C0C000-memory.dmp

Filesize
304KB

Download
memory/4648-39-0x000000007FCB0000-0x000000007FCC0000-memory.dmp

Filesize
64KB

Download
memory/4648-40-0x00000000060F0000-0x0000000006122000-memory.dmp

Filesize
200KB

Download
memory/4648-41-0x0000000070F00000-0x0000000070F4C000-memory.dmp

Filesize
304KB

Download
memory/4648-53-0x00000000047D0000-0x00000000047E0000-memory.dmp

Filesize
64KB

Download
memory/4648-52-0x00000000047D0000-0x00000000047E0000-memory.dmp

Filesize
64KB

Download
memory/4648-51-0x0000000006130000-0x000000000614E000-memory.dmp

Filesize
120KB

Download
memory/4648-54-0x0000000006B20000-0x0000000006BC3000-memory.dmp

Filesize
652KB

Download
memory/4648-23-0x0000000004E10000-0x0000000005438000-memory.dmp

Filesize
6.2MB

Download
memory/4648-56-0x0000000006E50000-0x0000000006E6A000-memory.dmp

Filesize
104KB

Download
memory/4648-22-0x00000000047D0000-0x00000000047E0000-memory.dmp

Filesize
64KB

Download
memory/4648-70-0x00000000750E0000-0x0000000075890000-memory.dmp

Filesize
7.7MB

Download
memory/4648-60-0x00000000750E0000-0x0000000075890000-memory.dmp

Filesize
7.7MB

Download
memory/4648-61-0x0000000006EC0000-0x0000000006ECA000-memory.dmp

Filesize
40KB

Download
memory/4648-59-0x00000000750EE000-0x00000000750EF000-memory.dmp

Filesize
4KB

Download
memory/4648-62-0x00000000070D0000-0x0000000007166000-memory.dmp

Filesize
600KB

Download
memory/4648-63-0x0000000007050000-0x0000000007061000-memory.dmp

Filesize
68KB

Download
memory/4648-64-0x0000000007080000-0x000000000708E000-memory.dmp

Filesize
56KB

Download
memory/4648-65-0x0000000007090000-0x00000000070A4000-memory.dmp

Filesize
80KB

Download
memory/4648-66-0x0000000007190000-0x00000000071AA000-memory.dmp

Filesize
104KB

Download
memory/4648-67-0x0000000007170000-0x0000000007178000-memory.dmp

Filesize
32KB

Download
memory/4936-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4936-14-0x0000000001530000-0x000000000187A000-memory.dmp

Filesize
3.3MB

Download
memory/4936-19-0x00000000019A0000-0x00000000019B5000-memory.dmp

Filesize
84KB

Download
memory/4936-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download