formbook | c9e266773311e6731f59e0b24b62a6398898bc98aa84fa84344bcfcf55856d23

Analysis

max time kernel
300s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-10-2024 05:38

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General

Target

нова поръчка pdf.exe
Size

612KB
MD5

a2769ba56f8b84de34deee154f4bfba2
SHA1

01771e5df223fac2315e8ab9ba72234a1a41f0ba
SHA256

9f7da651412232824c868086dd48a7d63af0dbb007cef4db8c24edda9b2fcdbb
SHA512

57ae3e2b4c4b47a6662c6ff8e91d95d0c807cf6a25757c9f6e4cb4f2f377746ac468cdaa1bd298679a6d70bc4dd91ef3f78444f8d7b9cdfcfdf71d3a428f2752
SSDEEP

12288:lCfia8t/w3ENiFovuGAS1WDv8mMrIJTxzDYKTX+grvLU2PI5WytkT7:lYibt/w3ESwXAS1U8brIJdXJugDYMI5C

Score

10^/10

formbook gy15 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

gy15

Decoy

hairsdeals.today

acob-saaad.buzz

9955.club

gild6222.vip

nline-shopping-56055.bond

lmadulles.top

utemodels.info

ighdd4675.online

nqqkk146.xyz

avasales.online

ortas-de-madeira.today

haad.xyz

races-dental-splints-15439.bond

hilohcreekpemf.online

rrivalgetaways.info

orktoday-2507-02-sap.click

eceriyayinlari.xyz

lsurfer.click

aston-saaae.buzz

etrot.pro

Signatures

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

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral1/memory/2640-19-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2612-23-0x0000000000080000-0x00000000000AF000-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
2916	powershell.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1992 set thread context of 2640	1992	нова поръчка pdf.exe	34
PID 2640 set thread context of 1232	2640	RegSvcs.exe	21
PID 2612 set thread context of 1232	2612	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 5 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	нова поръчка pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2900	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1992	нова поръчка pdf.exe
1992	нова поръчка pdf.exe
1992	нова поръчка pdf.exe
1992	нова поръчка pdf.exe
2916	powershell.exe
2640	RegSvcs.exe
1992	нова поръчка pdf.exe
2640	RegSvcs.exe
2612	chkdsk.exe
2612	chkdsk.exe
2612	chkdsk.exe
2612	chkdsk.exe
2612	chkdsk.exe
2612	chkdsk.exe
2612	chkdsk.exe
2612	chkdsk.exe
2612	chkdsk.exe
2612	chkdsk.exe
2612	chkdsk.exe
2612	chkdsk.exe
2612	chkdsk.exe
2612	chkdsk.exe
2612	chkdsk.exe
2612	chkdsk.exe
2612	chkdsk.exe
2612	chkdsk.exe
2612	chkdsk.exe
2612	chkdsk.exe
2612	chkdsk.exe
2612	chkdsk.exe
2612	chkdsk.exe
2612	chkdsk.exe
2612	chkdsk.exe
2612	chkdsk.exe
2612	chkdsk.exe
2612	chkdsk.exe
2612	chkdsk.exe
2612	chkdsk.exe
2612	chkdsk.exe
2612	chkdsk.exe
2612	chkdsk.exe
2612	chkdsk.exe
2612	chkdsk.exe
2612	chkdsk.exe
2612	chkdsk.exe
2612	chkdsk.exe
2612	chkdsk.exe
2612	chkdsk.exe
2612	chkdsk.exe
2612	chkdsk.exe
2612	chkdsk.exe
2612	chkdsk.exe
2612	chkdsk.exe
2612	chkdsk.exe
2612	chkdsk.exe
2612	chkdsk.exe
2612	chkdsk.exe
2612	chkdsk.exe
2612	chkdsk.exe
2612	chkdsk.exe
2612	chkdsk.exe
2612	chkdsk.exe
2612	chkdsk.exe
2612	chkdsk.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2640	RegSvcs.exe
2640	RegSvcs.exe
2640	RegSvcs.exe
2612	chkdsk.exe
2612	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	1992	нова поръчка pdf.exe
Token: SeDebugPrivilege	2916	powershell.exe
Token: SeDebugPrivilege	2640	RegSvcs.exe
Token: SeDebugPrivilege	2612	chkdsk.exe
Token: SeShutdownPrivilege	1232	Explorer.EXE

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1992 wrote to memory of 2916	1992	нова поръчка pdf.exe	30
PID 1992 wrote to memory of 2916	1992	нова поръчка pdf.exe	30
PID 1992 wrote to memory of 2916	1992	нова поръчка pdf.exe	30
PID 1992 wrote to memory of 2916	1992	нова поръчка pdf.exe	30
PID 1992 wrote to memory of 2900	1992	нова поръчка pdf.exe	32
PID 1992 wrote to memory of 2900	1992	нова поръчка pdf.exe	32
PID 1992 wrote to memory of 2900	1992	нова поръчка pdf.exe	32
PID 1992 wrote to memory of 2900	1992	нова поръчка pdf.exe	32
PID 1992 wrote to memory of 2640	1992	нова поръчка pdf.exe	34
PID 1992 wrote to memory of 2640	1992	нова поръчка pdf.exe	34
PID 1992 wrote to memory of 2640	1992	нова поръчка pdf.exe	34
PID 1992 wrote to memory of 2640	1992	нова поръчка pdf.exe	34
PID 1992 wrote to memory of 2640	1992	нова поръчка pdf.exe	34
PID 1992 wrote to memory of 2640	1992	нова поръчка pdf.exe	34
PID 1992 wrote to memory of 2640	1992	нова поръчка pdf.exe	34
PID 1992 wrote to memory of 2640	1992	нова поръчка pdf.exe	34
PID 1992 wrote to memory of 2640	1992	нова поръчка pdf.exe	34
PID 1992 wrote to memory of 2640	1992	нова поръчка pdf.exe	34
PID 1232 wrote to memory of 2612	1232	Explorer.EXE	35
PID 1232 wrote to memory of 2612	1232	Explorer.EXE	35
PID 1232 wrote to memory of 2612	1232	Explorer.EXE	35
PID 1232 wrote to memory of 2612	1232	Explorer.EXE	35
PID 2612 wrote to memory of 2316	2612	chkdsk.exe	36
PID 2612 wrote to memory of 2316	2612	chkdsk.exe	36
PID 2612 wrote to memory of 2316	2612	chkdsk.exe	36
PID 2612 wrote to memory of 2316	2612	chkdsk.exe	36

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1232
- C:\Users\Admin\AppData\Local\Temp\нова поръчка pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\нова поръчка pdf.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1992
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\xmAdkuQjxrS.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2916
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xmAdkuQjxrS" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAA15.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2900
- - 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:2640
- 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: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:2316

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

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\tmpAA15.tmp

Filesize
1KB

MD5
9086d4c040b36209d6ae1d4c6e7834f4

SHA1
046fc4244d4ab279f2acbcc7198f10c25f11098e

SHA256
18dedd79143a210940b517e949af0f5ca23885140990d95675b97bb94dc69cf7

SHA512
e604cc9ade63efab8df83d738d15344b673bbdefa5d23a3284b591d0a1eb21ec3662f1115c969142b7c2b154cedecba42be3f9b34da8eff01c0e3f8caa0f3c21

Download Submit
memory/1992-6-0x0000000000610000-0x0000000000686000-memory.dmp

Filesize
472KB

Download
memory/1992-21-0x0000000074660000-0x0000000074D4E000-memory.dmp

Filesize
6.9MB

Download
memory/1992-3-0x0000000000880000-0x000000000089E000-memory.dmp

Filesize
120KB

Download
memory/1992-4-0x000000007466E000-0x000000007466F000-memory.dmp

Filesize
4KB

Download
memory/1992-5-0x0000000074660000-0x0000000074D4E000-memory.dmp

Filesize
6.9MB

Download
memory/1992-0-0x000000007466E000-0x000000007466F000-memory.dmp

Filesize
4KB

Download
memory/1992-1-0x00000000008A0000-0x000000000093E000-memory.dmp

Filesize
632KB

Download
memory/1992-2-0x0000000074660000-0x0000000074D4E000-memory.dmp

Filesize
6.9MB

Download
memory/2612-23-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2612-22-0x00000000002E0000-0x00000000002E7000-memory.dmp

Filesize
28KB

Download
memory/2640-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2640-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2640-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2640-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download