formbook | a9a23a0d9df00e223a3c3b5c9ab750ae576b3217752e7a054435291b4d10a970

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21-09-2024 17:06

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General

Target

f0420dfdd25909430646c7655e25415e_JaffaCakes118.exe
Size

799KB
MD5

f0420dfdd25909430646c7655e25415e
SHA1

422040f4bf9d36a4f3aac60b07905f3b95f353cf
SHA256

a9a23a0d9df00e223a3c3b5c9ab750ae576b3217752e7a054435291b4d10a970
SHA512

f2b8eb6abc4e70e375fc805b7ffa409c702bb7f62ea68c24f500cb0a6b44c5f0d65c1e85fa2470b63ee346520ecf468d52094985d1c39a908bbd4132a3cc56e4
SSDEEP

12288:AYHdm1fBr+IwICEMytGbPGcbXDbE1Qla6RgVcP/7kvDxul+6Qw5Eq1uJ2:AyAiIlCPtfIv9XME22

Score

10^/10

formbook cza discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

cza

Decoy

truenorthentic.com

napgames.net

xn--fjq771n.com

wagnerprintconsult.net

spate.info

kids4thekingdom.com

ateconstruction.com

sort-regulation.com

vesselfulinflation.com

kalhanifi.com

veronews.info

worldinwinston.com

adornbymk.com

resources4u.online

pepinaerospace.com

tamaraarmendariz.com

xn--hck5aza9o8c.online

nomadicgastronomy.net

margaritasandmotherhood.com

vip51633.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
behavioral2/memory/4452-3-0x0000000000400000-0x000000000042D000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4960 set thread context of 4452	4960	f0420dfdd25909430646c7655e25415e_JaffaCakes118.exe	82

System Location Discovery: System Language Discovery 1 TTPs 1 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	f0420dfdd25909430646c7655e25415e_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4960	f0420dfdd25909430646c7655e25415e_JaffaCakes118.exe
4960	f0420dfdd25909430646c7655e25415e_JaffaCakes118.exe
4452	f0420dfdd25909430646c7655e25415e_JaffaCakes118.exe
4452	f0420dfdd25909430646c7655e25415e_JaffaCakes118.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4960	f0420dfdd25909430646c7655e25415e_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4960 wrote to memory of 4452	4960	f0420dfdd25909430646c7655e25415e_JaffaCakes118.exe	82
PID 4960 wrote to memory of 4452	4960	f0420dfdd25909430646c7655e25415e_JaffaCakes118.exe	82
PID 4960 wrote to memory of 4452	4960	f0420dfdd25909430646c7655e25415e_JaffaCakes118.exe	82

C:\Users\Admin\AppData\Local\Temp\f0420dfdd25909430646c7655e25415e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f0420dfdd25909430646c7655e25415e_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4960
- C:\Users\Admin\AppData\Local\Temp\f0420dfdd25909430646c7655e25415e_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f0420dfdd25909430646c7655e25415e_JaffaCakes118.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4452

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4452-3-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/4960-0-0x0000000002250000-0x0000000002251000-memory.dmp

Filesize
4KB

Download
memory/4960-1-0x00000000022B0000-0x00000000022B8000-memory.dmp

Filesize
32KB

Download
memory/4960-2-0x00000000022D0000-0x00000000022D1000-memory.dmp

Filesize
4KB

Download
memory/4960-4-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download