formbook | 29df0bb962a305621b5f1d2a5cf0eaeae9381872e2a329230e833e6db7c999fa

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

Processes:

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

b19143d7e738e319d499fad66a36356d_JaffaCakes118.exe

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

Processes:

b19143d7e738e319d499fad66a36356d_JaffaCakes118.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b19143d7e738e319d499fad66a36356d_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

b19143d7e738e319d499fad66a36356d_JaffaCakes118.exeb19143d7e738e319d499fad66a36356d_JaffaCakes118.exe

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

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

b19143d7e738e319d499fad66a36356d_JaffaCakes118.exe

description	pid	Process
Token: SeDebugPrivilege	4868	b19143d7e738e319d499fad66a36356d_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

b19143d7e738e319d499fad66a36356d_JaffaCakes118.exe

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

1

T1614

System Language Discovery

1

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

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads