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

resource	yara_rule
behavioral1/memory/2980-13-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1268 set thread context of 2980	1268	a7d906e300e394d87092e5915aae4218_JaffaCakes118.exe	29

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2820	2980	WerFault.exe	29

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

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1268 wrote to memory of 2980	1268	a7d906e300e394d87092e5915aae4218_JaffaCakes118.exe	29
PID 1268 wrote to memory of 2980	1268	a7d906e300e394d87092e5915aae4218_JaffaCakes118.exe	29
PID 1268 wrote to memory of 2980	1268	a7d906e300e394d87092e5915aae4218_JaffaCakes118.exe	29
PID 1268 wrote to memory of 2980	1268	a7d906e300e394d87092e5915aae4218_JaffaCakes118.exe	29
PID 1268 wrote to memory of 2980	1268	a7d906e300e394d87092e5915aae4218_JaffaCakes118.exe	29
PID 1268 wrote to memory of 2980	1268	a7d906e300e394d87092e5915aae4218_JaffaCakes118.exe	29
PID 1268 wrote to memory of 2980	1268	a7d906e300e394d87092e5915aae4218_JaffaCakes118.exe	29
PID 2980 wrote to memory of 2820	2980	a7d906e300e394d87092e5915aae4218_JaffaCakes118.exe	30
PID 2980 wrote to memory of 2820	2980	a7d906e300e394d87092e5915aae4218_JaffaCakes118.exe	30
PID 2980 wrote to memory of 2820	2980	a7d906e300e394d87092e5915aae4218_JaffaCakes118.exe	30
PID 2980 wrote to memory of 2820	2980	a7d906e300e394d87092e5915aae4218_JaffaCakes118.exe	30

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 use of WriteProcessMemory
PID:1268
- C:\Users\Admin\AppData\Local\Temp\a7d906e300e394d87092e5915aae4218_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\a7d906e300e394d87092e5915aae4218_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2980
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2980 -s 36
    3⤵
    - Program crash
    PID:2820

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/1268-6-0x0000000005E70000-0x0000000005F14000-memory.dmp

Filesize
656KB

Download
memory/1268-1-0x00000000009C0000-0x0000000000ACA000-memory.dmp

Filesize
1.0MB

Download
memory/1268-2-0x00000000749F0000-0x00000000750DE000-memory.dmp

Filesize
6.9MB

Download
memory/1268-3-0x0000000001ED0000-0x0000000001EE6000-memory.dmp

Filesize
88KB

Download
memory/1268-4-0x00000000749FE000-0x00000000749FF000-memory.dmp

Filesize
4KB

Download
memory/1268-5-0x00000000749F0000-0x00000000750DE000-memory.dmp

Filesize
6.9MB

Download
memory/1268-0-0x00000000749FE000-0x00000000749FF000-memory.dmp

Filesize
4KB

Download
memory/1268-7-0x0000000004170000-0x00000000041A4000-memory.dmp

Filesize
208KB

Download
memory/1268-14-0x00000000749F0000-0x00000000750DE000-memory.dmp

Filesize
6.9MB

Download
memory/2980-9-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2980-13-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2980-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2980-10-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

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