formbook | 29df0bb962a305621b5f1d2a5cf0eaeae9381872e2a329230e833e6db7c999fa

Analysis

max time kernel
96s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29-11-2024 13:34

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General

Target

b19143d7e738e319d499fad66a36356d_JaffaCakes118.exe
Size

894KB
MD5

b19143d7e738e319d499fad66a36356d
SHA1

99688c6d9c0d10adc771320f6d6bee5aee80daa8
SHA256

29df0bb962a305621b5f1d2a5cf0eaeae9381872e2a329230e833e6db7c999fa
SHA512

1b88faad56c95a019e8586650cab752ebd4f2dc35f34123a9d9c2dbe158728efdb032358d35dbad806a1e39603cdaf3bda51708d2e3c7b0dcd60ded45c3e3711
SSDEEP

12288:17amkeHReB2nHEHK7zufkGe95AXcv6uh9qxeygKo2p4b9OX3mnOgSANx3YNL:1t7pyfkGe95o293b2mUXYyANx3YNL

Score

10^/10

formbook kzk9 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

kzk9

Decoy

tianconghuo.club

1996-page.com

ourtownmax.net

conservativetreehose.com

synth.repair

donnachicacreperia.com

tentfull.com

weapp.download

surfersink.com

gattlebusinessservices.com

sebastian249.com

anhphuc.company

betternatureproducts.net

defroplate.com

seattlesquidsquad.com

polarjob.com

lendingadvantage.com

angelsondope.com

goportjitney.com

tiendagrupojagr.com

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
behavioral2/memory/432-13-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4868 set thread context of 432	4868	b19143d7e738e319d499fad66a36356d_JaffaCakes118.exe	100

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	b19143d7e738e319d499fad66a36356d_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4868	b19143d7e738e319d499fad66a36356d_JaffaCakes118.exe
432	b19143d7e738e319d499fad66a36356d_JaffaCakes118.exe
432	b19143d7e738e319d499fad66a36356d_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4868	b19143d7e738e319d499fad66a36356d_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4868 wrote to memory of 432	4868	b19143d7e738e319d499fad66a36356d_JaffaCakes118.exe	100
PID 4868 wrote to memory of 432	4868	b19143d7e738e319d499fad66a36356d_JaffaCakes118.exe	100
PID 4868 wrote to memory of 432	4868	b19143d7e738e319d499fad66a36356d_JaffaCakes118.exe	100
PID 4868 wrote to memory of 432	4868	b19143d7e738e319d499fad66a36356d_JaffaCakes118.exe	100
PID 4868 wrote to memory of 432	4868	b19143d7e738e319d499fad66a36356d_JaffaCakes118.exe	100
PID 4868 wrote to memory of 432	4868	b19143d7e738e319d499fad66a36356d_JaffaCakes118.exe	100

C:\Users\Admin\AppData\Local\Temp\b19143d7e738e319d499fad66a36356d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b19143d7e738e319d499fad66a36356d_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4868
- C:\Users\Admin\AppData\Local\Temp\b19143d7e738e319d499fad66a36356d_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\b19143d7e738e319d499fad66a36356d_JaffaCakes118.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:432

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/432-13-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/432-17-0x0000000001970000-0x0000000001CBA000-memory.dmp

Filesize
3.3MB

Download
memory/432-16-0x0000000001970000-0x0000000001CBA000-memory.dmp

Filesize
3.3MB

Download
memory/4868-8-0x0000000006BD0000-0x0000000006BE6000-memory.dmp

Filesize
88KB

Download
memory/4868-10-0x0000000074F60000-0x0000000075710000-memory.dmp

Filesize
7.7MB

Download
memory/4868-5-0x0000000005920000-0x000000000592A000-memory.dmp

Filesize
40KB

Download
memory/4868-6-0x0000000074F60000-0x0000000075710000-memory.dmp

Filesize
7.7MB

Download
memory/4868-7-0x0000000005BE0000-0x0000000005C36000-memory.dmp

Filesize
344KB

Download
memory/4868-0-0x0000000074F6E000-0x0000000074F6F000-memory.dmp

Filesize
4KB

Download
memory/4868-9-0x0000000074F6E000-0x0000000074F6F000-memory.dmp

Filesize
4KB

Download
memory/4868-4-0x0000000005A10000-0x0000000005AA2000-memory.dmp

Filesize
584KB

Download
memory/4868-11-0x0000000007460000-0x0000000007504000-memory.dmp

Filesize
656KB

Download
memory/4868-12-0x0000000009AB0000-0x0000000009AE4000-memory.dmp

Filesize
208KB

Download
memory/4868-3-0x0000000005F20000-0x00000000064C4000-memory.dmp

Filesize
5.6MB

Download
memory/4868-15-0x0000000074F60000-0x0000000075710000-memory.dmp

Filesize
7.7MB

Download
memory/4868-2-0x0000000005850000-0x00000000058EC000-memory.dmp

Filesize
624KB

Download
memory/4868-1-0x0000000000DE0000-0x0000000000EC6000-memory.dmp

Filesize
920KB

Download