formbook | 6a86727505f9aacbb6e9d67445b8e99d23e37d9db46a737e1b2c72274332cb41

Analysis

max time kernel
146s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-09-2024 08:47

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General

Target

eaf957fed02fc143802d3eff11d4dddf_JaffaCakes118.ps1
Size

1.4MB
MD5

eaf957fed02fc143802d3eff11d4dddf
SHA1

ce04e0cbca0fd7e1abe322a7f94a7eb01ddf72cb
SHA256

6a86727505f9aacbb6e9d67445b8e99d23e37d9db46a737e1b2c72274332cb41
SHA512

ae164f196583f7a2a6b12a902fa118e30a0f653700c30aa17ab97219b9c5f6eaaad3f765fab89b6ff5da48b521f283c45c73e20d38e76ff6c2c55f99b82df612
SSDEEP

12288:zJW/kYR3J9bXwjnA7fUL64zJuk8q0UmA1NzENYgnBKPqSY29oPtrPN4In5VreTCf:fs/vQL4uY

Score

10^/10

formbook j3gd discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

j3gd

Decoy

lpumanagement.com

seafreshindia.com

progetto-energia.com

anthonyconstantis.com

wuhanyinyue.com

rimflso.com

zayedcenter.net

toggturkish.com

grayshottspalife.com

migliorarelasalute.website

micj1426.com

salicosmetic.com

renospro.com

fantasiegeschichten.com

velvetgoo.art

chasernt.online

mojogrup.com

beer-app.com

workitsexyguru.com

rmhansonfreelancewriting.com

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/3820-16-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3820-21-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4676-31-0x00000000006A0000-0x00000000006CF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3028 set thread context of 3820	3028	powershell.exe	83
PID 3820 set thread context of 3456	3820	calc.exe	56
PID 4676 set thread context of 3456	4676	chkdsk.exe	56

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
3028	powershell.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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

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

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3028	powershell.exe
3028	powershell.exe
3028	powershell.exe
3028	powershell.exe
3028	powershell.exe
3820	calc.exe
3820	calc.exe
3820	calc.exe
3820	calc.exe
4676	chkdsk.exe
4676	chkdsk.exe
4676	chkdsk.exe
4676	chkdsk.exe
4676	chkdsk.exe
4676	chkdsk.exe
4676	chkdsk.exe
4676	chkdsk.exe
4676	chkdsk.exe
4676	chkdsk.exe
4676	chkdsk.exe
4676	chkdsk.exe
4676	chkdsk.exe
4676	chkdsk.exe
4676	chkdsk.exe
4676	chkdsk.exe
4676	chkdsk.exe
4676	chkdsk.exe
4676	chkdsk.exe
4676	chkdsk.exe
4676	chkdsk.exe
4676	chkdsk.exe
4676	chkdsk.exe
4676	chkdsk.exe
4676	chkdsk.exe
4676	chkdsk.exe
4676	chkdsk.exe
4676	chkdsk.exe
4676	chkdsk.exe
4676	chkdsk.exe
4676	chkdsk.exe
4676	chkdsk.exe
4676	chkdsk.exe
4676	chkdsk.exe
4676	chkdsk.exe
4676	chkdsk.exe
4676	chkdsk.exe
4676	chkdsk.exe
4676	chkdsk.exe
4676	chkdsk.exe
4676	chkdsk.exe
4676	chkdsk.exe
4676	chkdsk.exe
4676	chkdsk.exe
4676	chkdsk.exe
4676	chkdsk.exe
4676	chkdsk.exe
4676	chkdsk.exe
4676	chkdsk.exe
4676	chkdsk.exe
4676	chkdsk.exe
4676	chkdsk.exe
4676	chkdsk.exe
4676	chkdsk.exe
4676	chkdsk.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
3820	calc.exe
3820	calc.exe
3820	calc.exe
4676	chkdsk.exe
4676	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	3028	powershell.exe
Token: SeDebugPrivilege	3820	calc.exe
Token: SeShutdownPrivilege	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE
Token: SeShutdownPrivilege	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE
Token: SeDebugPrivilege	4676	chkdsk.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3028 wrote to memory of 3820	3028	powershell.exe	83
PID 3028 wrote to memory of 3820	3028	powershell.exe	83
PID 3028 wrote to memory of 3820	3028	powershell.exe	83
PID 3028 wrote to memory of 3820	3028	powershell.exe	83
PID 3028 wrote to memory of 3820	3028	powershell.exe	83
PID 3028 wrote to memory of 3820	3028	powershell.exe	83
PID 3456 wrote to memory of 4676	3456	Explorer.EXE	84
PID 3456 wrote to memory of 4676	3456	Explorer.EXE	84
PID 3456 wrote to memory of 4676	3456	Explorer.EXE	84
PID 4676 wrote to memory of 2872	4676	chkdsk.exe	89
PID 4676 wrote to memory of 2872	4676	chkdsk.exe	89
PID 4676 wrote to memory of 2872	4676	chkdsk.exe	89

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3456
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\eaf957fed02fc143802d3eff11d4dddf_JaffaCakes118.ps1
  2⤵
  - Suspicious use of SetThreadContext
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3028
- - C:\WINDOWS\syswow64\calc.exe
    "{path}"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3820
- 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:4676
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\WINDOWS\syswow64\calc.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2872

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_tsbusron.nul.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/3028-23-0x00007FFCCF100000-0x00007FFCCFBC1000-memory.dmp

Filesize
10.8MB

Download
memory/3028-28-0x00007FFCCF100000-0x00007FFCCFBC1000-memory.dmp

Filesize
10.8MB

Download
memory/3028-11-0x00007FFCCF100000-0x00007FFCCFBC1000-memory.dmp

Filesize
10.8MB

Download
memory/3028-12-0x00007FFCCF100000-0x00007FFCCFBC1000-memory.dmp

Filesize
10.8MB

Download
memory/3028-13-0x00007FFCCF100000-0x00007FFCCFBC1000-memory.dmp

Filesize
10.8MB

Download
memory/3028-14-0x000001AC7AEC0000-0x000001AC7AF14000-memory.dmp

Filesize
336KB

Download
memory/3028-15-0x00007FFCCF100000-0x00007FFCCFBC1000-memory.dmp

Filesize
10.8MB

Download
memory/3028-0-0x00007FFCCF103000-0x00007FFCCF105000-memory.dmp

Filesize
8KB

Download
memory/3028-1-0x000001AC7A360000-0x000001AC7A382000-memory.dmp

Filesize
136KB

Download
memory/3028-26-0x00007FFCCF100000-0x00007FFCCFBC1000-memory.dmp

Filesize
10.8MB

Download
memory/3028-25-0x00007FFCCF103000-0x00007FFCCF105000-memory.dmp

Filesize
8KB

Download
memory/3028-27-0x00007FFCDCD93000-0x00007FFCDCD94000-memory.dmp

Filesize
4KB

Download
memory/3456-35-0x0000000008650000-0x0000000008716000-memory.dmp

Filesize
792KB

Download
memory/3456-38-0x0000000008650000-0x0000000008716000-memory.dmp

Filesize
792KB

Download
memory/3456-24-0x0000000007F50000-0x0000000008003000-memory.dmp

Filesize
716KB

Download
memory/3456-32-0x0000000007F50000-0x0000000008003000-memory.dmp

Filesize
716KB

Download
memory/3456-37-0x0000000008650000-0x0000000008716000-memory.dmp

Filesize
792KB

Download
memory/3820-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3820-19-0x00000000010F0000-0x000000000143A000-memory.dmp

Filesize
3.3MB

Download
memory/3820-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3820-22-0x0000000000C50000-0x0000000000C65000-memory.dmp

Filesize
84KB

Download
memory/4676-29-0x0000000000D70000-0x0000000000D7A000-memory.dmp

Filesize
40KB

Download
memory/4676-30-0x0000000000D70000-0x0000000000D7A000-memory.dmp

Filesize
40KB

Download
memory/4676-31-0x00000000006A0000-0x00000000006CF000-memory.dmp

Filesize
188KB

Download