formbook | f30ccd8d6bd65a6c172e6233220523d984516e145b06d986bc6c0736e53dfde8

General

Target

f30ccd8d6bd65a6c172e6233220523d984516e145b06d986bc6c0736e53dfde8.exe
Size

692KB
MD5

b7f43cd267dbbf40d9a372dd7ddd121b
SHA1

95f154753e37e45d1020efdd7b9df84bed2393aa
SHA256

f30ccd8d6bd65a6c172e6233220523d984516e145b06d986bc6c0736e53dfde8
SHA512

37036654e6d8df5afc3646b677544bb89d25f2f81fe76945747265927091219dd12152902675ec2a636cf104c198221177eb32a478a9662193ab1ba26fd95de4
SSDEEP

12288:tQpIR4R52J+XtahfgMf9rG2DTgQz1NjiKLacKj4N9GROF1CICoMDPwlYHPkCKPRv:CpIeePhfU2ow7iwacJP5nCoMxI

Score

10^/10

formbook k49s discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

k49s

Decoy

ufberyrubiest.shop

tpanekatotosite.top

esona805158762.xyz

earing-tests-15487.bond

rediksitiraitoto.xyz

tore-playstore.online

mpresarialpx38.online

ufxusa.net

reativedesigns.lat

leaning-services-47614.bond

959725nptklnq923.top

treziop.xyz

eubel-bestseller.online

uynewcars.xyz

all-panels-74750.bond

erviceninjas.vip

arectoroffice.xyz

oviesgpt.app

ractors-22059.bond

rakenfitness.info

Signatures

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

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral1/memory/2916-12-0x0000000000400000-0x000000000042F000-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
3044	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1604 set thread context of 2916	1604	f30ccd8d6bd65a6c172e6233220523d984516e145b06d986bc6c0736e53dfde8.exe	32

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2984	2916	WerFault.exe	32

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	f30ccd8d6bd65a6c172e6233220523d984516e145b06d986bc6c0736e53dfde8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f30ccd8d6bd65a6c172e6233220523d984516e145b06d986bc6c0736e53dfde8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
3044	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3044	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1604 wrote to memory of 3044	1604	f30ccd8d6bd65a6c172e6233220523d984516e145b06d986bc6c0736e53dfde8.exe	30
PID 1604 wrote to memory of 3044	1604	f30ccd8d6bd65a6c172e6233220523d984516e145b06d986bc6c0736e53dfde8.exe	30
PID 1604 wrote to memory of 3044	1604	f30ccd8d6bd65a6c172e6233220523d984516e145b06d986bc6c0736e53dfde8.exe	30
PID 1604 wrote to memory of 3044	1604	f30ccd8d6bd65a6c172e6233220523d984516e145b06d986bc6c0736e53dfde8.exe	30
PID 1604 wrote to memory of 2916	1604	f30ccd8d6bd65a6c172e6233220523d984516e145b06d986bc6c0736e53dfde8.exe	32
PID 1604 wrote to memory of 2916	1604	f30ccd8d6bd65a6c172e6233220523d984516e145b06d986bc6c0736e53dfde8.exe	32
PID 1604 wrote to memory of 2916	1604	f30ccd8d6bd65a6c172e6233220523d984516e145b06d986bc6c0736e53dfde8.exe	32
PID 1604 wrote to memory of 2916	1604	f30ccd8d6bd65a6c172e6233220523d984516e145b06d986bc6c0736e53dfde8.exe	32
PID 1604 wrote to memory of 2916	1604	f30ccd8d6bd65a6c172e6233220523d984516e145b06d986bc6c0736e53dfde8.exe	32
PID 1604 wrote to memory of 2916	1604	f30ccd8d6bd65a6c172e6233220523d984516e145b06d986bc6c0736e53dfde8.exe	32
PID 1604 wrote to memory of 2916	1604	f30ccd8d6bd65a6c172e6233220523d984516e145b06d986bc6c0736e53dfde8.exe	32
PID 2916 wrote to memory of 2984	2916	f30ccd8d6bd65a6c172e6233220523d984516e145b06d986bc6c0736e53dfde8.exe	33
PID 2916 wrote to memory of 2984	2916	f30ccd8d6bd65a6c172e6233220523d984516e145b06d986bc6c0736e53dfde8.exe	33
PID 2916 wrote to memory of 2984	2916	f30ccd8d6bd65a6c172e6233220523d984516e145b06d986bc6c0736e53dfde8.exe	33
PID 2916 wrote to memory of 2984	2916	f30ccd8d6bd65a6c172e6233220523d984516e145b06d986bc6c0736e53dfde8.exe	33

C:\Users\Admin\AppData\Local\Temp\f30ccd8d6bd65a6c172e6233220523d984516e145b06d986bc6c0736e53dfde8.exe
"C:\Users\Admin\AppData\Local\Temp\f30ccd8d6bd65a6c172e6233220523d984516e145b06d986bc6c0736e53dfde8.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1604
- 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\f30ccd8d6bd65a6c172e6233220523d984516e145b06d986bc6c0736e53dfde8.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3044
- C:\Users\Admin\AppData\Local\Temp\f30ccd8d6bd65a6c172e6233220523d984516e145b06d986bc6c0736e53dfde8.exe
  "C:\Users\Admin\AppData\Local\Temp\f30ccd8d6bd65a6c172e6233220523d984516e145b06d986bc6c0736e53dfde8.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2916
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2916 -s 36
    3⤵
    - Program crash
    PID:2984

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

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

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Downloads

memory/1604-0-0x0000000074B9E000-0x0000000074B9F000-memory.dmp

Filesize
4KB

Download
memory/1604-1-0x0000000000D80000-0x0000000000E32000-memory.dmp

Filesize
712KB

Download
memory/1604-2-0x0000000074B90000-0x000000007527E000-memory.dmp

Filesize
6.9MB

Download
memory/1604-3-0x00000000004C0000-0x00000000004D8000-memory.dmp

Filesize
96KB

Download
memory/1604-4-0x0000000074B9E000-0x0000000074B9F000-memory.dmp

Filesize
4KB

Download
memory/1604-5-0x0000000074B90000-0x000000007527E000-memory.dmp

Filesize
6.9MB

Download
memory/1604-6-0x0000000004790000-0x0000000004808000-memory.dmp

Filesize
480KB

Download
memory/1604-13-0x0000000074B90000-0x000000007527E000-memory.dmp

Filesize
6.9MB

Download
memory/2916-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2916-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2916-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2916-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

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