formbook | 4c3c596f1205356635a9ff0ad1a179f8c739cd9e4026085e091d5bd0d0173067

General

Target

a7d906e300e394d87092e5915aae4218_JaffaCakes118.exe
Size

1.0MB
MD5

a7d906e300e394d87092e5915aae4218
SHA1

fb9386cc654c66257c150e2f3fad96cb6f6f62ab
SHA256

4c3c596f1205356635a9ff0ad1a179f8c739cd9e4026085e091d5bd0d0173067
SHA512

ad7e32fcbfc4afbe7465b953902a209a53c43622c09f56de16e4145017295026b3146e0a124a9131fc7383fdfbda693530bfadea2bc5e2273eb0f1dcc9b1938d
SSDEEP

24576:HlKZPp9AR95yifpU0ZBq2EEUZdvdwsJwYiBkXMGl:aPpKRyCBqvEsvdwsJwYi7G

Score

10^/10

formbook bkbk discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

bkbk

Decoy

myzshouse.com

elimabd.com

iandiphoto.com

k9yhf.com

lalaandthelight.com

spearteam6.com

tdv29mayiskoleji.net

senthamizholi.com

toprooferelpaso.com

homegraphicdesign.com

formas-de-ganar-dinero.online

psgvsfreelive.com

xclusivedispatch.com

qdhizwlti.icu

hananomi24.com

seikobaby.com

cursosinemlinea.com

vintage-transport.com

billings-identify.com

simplepartyplanning.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/1388-13-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

Processes:

a7d906e300e394d87092e5915aae4218_JaffaCakes118.exe

description	pid	Process	procid_target
PID 4072 set thread context of 1388	4072	a7d906e300e394d87092e5915aae4218_JaffaCakes118.exe	93

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:

a7d906e300e394d87092e5915aae4218_JaffaCakes118.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a7d906e300e394d87092e5915aae4218_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

a7d906e300e394d87092e5915aae4218_JaffaCakes118.exea7d906e300e394d87092e5915aae4218_JaffaCakes118.exe

pid	Process
4072	a7d906e300e394d87092e5915aae4218_JaffaCakes118.exe
4072	a7d906e300e394d87092e5915aae4218_JaffaCakes118.exe
4072	a7d906e300e394d87092e5915aae4218_JaffaCakes118.exe
4072	a7d906e300e394d87092e5915aae4218_JaffaCakes118.exe
1388	a7d906e300e394d87092e5915aae4218_JaffaCakes118.exe
1388	a7d906e300e394d87092e5915aae4218_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

a7d906e300e394d87092e5915aae4218_JaffaCakes118.exe

description	pid	Process
Token: SeDebugPrivilege	4072	a7d906e300e394d87092e5915aae4218_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

a7d906e300e394d87092e5915aae4218_JaffaCakes118.exe

description	pid	Process	procid_target
PID 4072 wrote to memory of 1264	4072	a7d906e300e394d87092e5915aae4218_JaffaCakes118.exe	91
PID 4072 wrote to memory of 1264	4072	a7d906e300e394d87092e5915aae4218_JaffaCakes118.exe	91
PID 4072 wrote to memory of 1264	4072	a7d906e300e394d87092e5915aae4218_JaffaCakes118.exe	91
PID 4072 wrote to memory of 5044	4072	a7d906e300e394d87092e5915aae4218_JaffaCakes118.exe	92
PID 4072 wrote to memory of 5044	4072	a7d906e300e394d87092e5915aae4218_JaffaCakes118.exe	92
PID 4072 wrote to memory of 5044	4072	a7d906e300e394d87092e5915aae4218_JaffaCakes118.exe	92
PID 4072 wrote to memory of 1388	4072	a7d906e300e394d87092e5915aae4218_JaffaCakes118.exe	93
PID 4072 wrote to memory of 1388	4072	a7d906e300e394d87092e5915aae4218_JaffaCakes118.exe	93
PID 4072 wrote to memory of 1388	4072	a7d906e300e394d87092e5915aae4218_JaffaCakes118.exe	93
PID 4072 wrote to memory of 1388	4072	a7d906e300e394d87092e5915aae4218_JaffaCakes118.exe	93
PID 4072 wrote to memory of 1388	4072	a7d906e300e394d87092e5915aae4218_JaffaCakes118.exe	93
PID 4072 wrote to memory of 1388	4072	a7d906e300e394d87092e5915aae4218_JaffaCakes118.exe	93

C:\Users\Admin\AppData\Local\Temp\a7d906e300e394d87092e5915aae4218_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a7d906e300e394d87092e5915aae4218_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:4072
- C:\Users\Admin\AppData\Local\Temp\a7d906e300e394d87092e5915aae4218_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\a7d906e300e394d87092e5915aae4218_JaffaCakes118.exe"
  2⤵
  PID:1264
- C:\Users\Admin\AppData\Local\Temp\a7d906e300e394d87092e5915aae4218_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\a7d906e300e394d87092e5915aae4218_JaffaCakes118.exe"
  2⤵
  PID:5044
- C:\Users\Admin\AppData\Local\Temp\a7d906e300e394d87092e5915aae4218_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\a7d906e300e394d87092e5915aae4218_JaffaCakes118.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1388

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

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Downloads

memory/1388-13-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1388-16-0x0000000001150000-0x000000000149A000-memory.dmp

Filesize
3.3MB

Download
memory/4072-8-0x00000000083B0000-0x00000000083C6000-memory.dmp

Filesize
88KB

Download
memory/4072-9-0x00000000752DE000-0x00000000752DF000-memory.dmp

Filesize
4KB

Download
memory/4072-4-0x0000000005670000-0x0000000005702000-memory.dmp

Filesize
584KB

Download
memory/4072-5-0x0000000005580000-0x000000000558A000-memory.dmp

Filesize
40KB

Download
memory/4072-6-0x00000000752D0000-0x0000000075A80000-memory.dmp

Filesize
7.7MB

Download
memory/4072-7-0x00000000058A0000-0x00000000058F6000-memory.dmp

Filesize
344KB

Download
memory/4072-0-0x00000000752DE000-0x00000000752DF000-memory.dmp

Filesize
4KB

Download
memory/4072-3-0x0000000005C20000-0x00000000061C4000-memory.dmp

Filesize
5.6MB

Download
memory/4072-10-0x00000000752D0000-0x0000000075A80000-memory.dmp

Filesize
7.7MB

Download
memory/4072-11-0x0000000008850000-0x00000000088F4000-memory.dmp

Filesize
656KB

Download
memory/4072-12-0x000000000B000000-0x000000000B034000-memory.dmp

Filesize
208KB

Download
memory/4072-2-0x00000000055D0000-0x000000000566C000-memory.dmp

Filesize
624KB

Download
memory/4072-15-0x00000000752D0000-0x0000000075A80000-memory.dmp

Filesize
7.7MB

Download
memory/4072-1-0x0000000000AD0000-0x0000000000BDA000-memory.dmp

Filesize
1.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads