formbook | 9f17dfb2b539dbfeae4eff938a67da34bf07b6d9617c49963ec4b537449f7520

General

Target

9f17dfb2b539dbfeae4eff938a67da34bf07b6d9617c49963ec4b537449f7520.exe
Size

637KB
MD5

f48f1b6145eb795061ee91642a07cfa4
SHA1

5d8ab68c809005ad6495b04e3fe11e306ee71cbd
SHA256

9f17dfb2b539dbfeae4eff938a67da34bf07b6d9617c49963ec4b537449f7520
SHA512

69164b98afc612343d1eebd1d98ae544b1954bbaacb9444ceccc16894027f89e5eb3b7b807f7e24eb3fe7e76a829d67d93642c767d40d88c6e1d2f9013ea2a44
SSDEEP

12288:8I4QpjndCej981lKV+qspbem0HFnOXKizT3i/q8re+JvvYnQckR:8InjdCaKocam0HFOa+SQe

Score

10^/10

formbook ss24 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ss24

Decoy

agingwellhc.com

unikbetanggur.autos

eb2024yl.top

ja380.xyz

thehalcyon.studio

maudsoogrim.com

esteler10.click

mewtcp.xyz

www-zjbf1.club

kucinglucu.online

lunwencheck.com

65597.photos

erbxeu358h.top

startable.online

yousend.xyz

csharksg.com

centricoatings.com

ntruhslearn.xyz

achabakra.xyz

zuntool.com

Signatures

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

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral1/memory/2900-18-0x0000000000400000-0x000000000042F000-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
3024	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1976 set thread context of 2900	1976	9f17dfb2b539dbfeae4eff938a67da34bf07b6d9617c49963ec4b537449f7520.exe	35

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 3 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	9f17dfb2b539dbfeae4eff938a67da34bf07b6d9617c49963ec4b537449f7520.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
3020	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2900	9f17dfb2b539dbfeae4eff938a67da34bf07b6d9617c49963ec4b537449f7520.exe
3024	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3024	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1976 wrote to memory of 3024	1976	9f17dfb2b539dbfeae4eff938a67da34bf07b6d9617c49963ec4b537449f7520.exe	31
PID 1976 wrote to memory of 3024	1976	9f17dfb2b539dbfeae4eff938a67da34bf07b6d9617c49963ec4b537449f7520.exe	31
PID 1976 wrote to memory of 3024	1976	9f17dfb2b539dbfeae4eff938a67da34bf07b6d9617c49963ec4b537449f7520.exe	31
PID 1976 wrote to memory of 3024	1976	9f17dfb2b539dbfeae4eff938a67da34bf07b6d9617c49963ec4b537449f7520.exe	31
PID 1976 wrote to memory of 3020	1976	9f17dfb2b539dbfeae4eff938a67da34bf07b6d9617c49963ec4b537449f7520.exe	32
PID 1976 wrote to memory of 3020	1976	9f17dfb2b539dbfeae4eff938a67da34bf07b6d9617c49963ec4b537449f7520.exe	32
PID 1976 wrote to memory of 3020	1976	9f17dfb2b539dbfeae4eff938a67da34bf07b6d9617c49963ec4b537449f7520.exe	32
PID 1976 wrote to memory of 3020	1976	9f17dfb2b539dbfeae4eff938a67da34bf07b6d9617c49963ec4b537449f7520.exe	32
PID 1976 wrote to memory of 2900	1976	9f17dfb2b539dbfeae4eff938a67da34bf07b6d9617c49963ec4b537449f7520.exe	35
PID 1976 wrote to memory of 2900	1976	9f17dfb2b539dbfeae4eff938a67da34bf07b6d9617c49963ec4b537449f7520.exe	35
PID 1976 wrote to memory of 2900	1976	9f17dfb2b539dbfeae4eff938a67da34bf07b6d9617c49963ec4b537449f7520.exe	35
PID 1976 wrote to memory of 2900	1976	9f17dfb2b539dbfeae4eff938a67da34bf07b6d9617c49963ec4b537449f7520.exe	35
PID 1976 wrote to memory of 2900	1976	9f17dfb2b539dbfeae4eff938a67da34bf07b6d9617c49963ec4b537449f7520.exe	35
PID 1976 wrote to memory of 2900	1976	9f17dfb2b539dbfeae4eff938a67da34bf07b6d9617c49963ec4b537449f7520.exe	35
PID 1976 wrote to memory of 2900	1976	9f17dfb2b539dbfeae4eff938a67da34bf07b6d9617c49963ec4b537449f7520.exe	35

C:\Users\Admin\AppData\Local\Temp\9f17dfb2b539dbfeae4eff938a67da34bf07b6d9617c49963ec4b537449f7520.exe
"C:\Users\Admin\AppData\Local\Temp\9f17dfb2b539dbfeae4eff938a67da34bf07b6d9617c49963ec4b537449f7520.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1976
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\WwRzxUm.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3024
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WwRzxUm" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF71B.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3020
- C:\Users\Admin\AppData\Local\Temp\9f17dfb2b539dbfeae4eff938a67da34bf07b6d9617c49963ec4b537449f7520.exe
  "C:\Users\Admin\AppData\Local\Temp\9f17dfb2b539dbfeae4eff938a67da34bf07b6d9617c49963ec4b537449f7520.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2900

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmpF71B.tmp

Filesize
1KB

MD5
5e86f1bc9c1de813eb37e182b444ca27

SHA1
e2943d39464c544bf89684a0b94070067ff8dd8c

SHA256
f1505480073343d3e556af41851226e11e217f8e91f490c8aac71cd576a47046

SHA512
c445d4c3923ad74a47ba12560d89d92d84400935797db155d243b5b897419540cf582790314b599891c068383c09c6839f214734568b08aa3831fb321567139f

Download Submit
memory/1976-0-0x0000000074C6E000-0x0000000074C6F000-memory.dmp

Filesize
4KB

Download
memory/1976-1-0x00000000013E0000-0x000000000147E000-memory.dmp

Filesize
632KB

Download
memory/1976-2-0x0000000074C60000-0x000000007534E000-memory.dmp

Filesize
6.9MB

Download
memory/1976-3-0x0000000000450000-0x0000000000466000-memory.dmp

Filesize
88KB

Download
memory/1976-4-0x0000000000510000-0x000000000051E000-memory.dmp

Filesize
56KB

Download
memory/1976-5-0x0000000004880000-0x00000000048F6000-memory.dmp

Filesize
472KB

Download
memory/1976-19-0x0000000074C60000-0x000000007534E000-memory.dmp

Filesize
6.9MB

Download
memory/2900-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2900-18-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2900-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2900-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads