formbook | 6d6ed63e357100a38b5bb4f4a256be07e34960bf25dbf0cc7d8f6b66e06d2df3

General

Target

JaffaCakes118_8c0ee1047417c73e05ff20905963357e.exe
Size

830KB
MD5

8c0ee1047417c73e05ff20905963357e
SHA1

4870480c602168a6b0d5572810ca7289107df0d9
SHA256

6d6ed63e357100a38b5bb4f4a256be07e34960bf25dbf0cc7d8f6b66e06d2df3
SHA512

7005b8ffcb3837deb0f4e238ae60d8037c83e12d4b3e911efaba6d414e6c52deeef4cf2b8bf26bec2e720edd870ba2d4570a6ad92ce40db0037efac2b0c4c41e
SSDEEP

24576:TLnGQYTq2UThCPIrkZZAF4tDc0eYOsUjzR:fxYT9/AkHAOtPWsazR

Score

10^/10

formbook cb2k discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

cb2k

Decoy

prets-personnels-faciles-1.com

lavandica.com

855goldenpark.com

ebrandschool.com

annielaineinspirations.com

tuscumbiadivorceattorney.com

lovarebanwgt74.xyz

car-plus.info

fireloops.net

psychtechsolutions.com

didubreak.com

cursodesigndesobrancelhas.com

berrymyrick.com

visit-croatia-now.com

chamonix-cars.club

1679tnpnd01uzznpvfu8795.com

noisedelayrecovery.com

sergiotimoteo.com

lplc.cloud

ppezjo.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/3096-16-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	JaffaCakes118_8c0ee1047417c73e05ff20905963357e.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3616 set thread context of 3096	3616	JaffaCakes118_8c0ee1047417c73e05ff20905963357e.exe	91

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	JaffaCakes118_8c0ee1047417c73e05ff20905963357e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
4992	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3096	JaffaCakes118_8c0ee1047417c73e05ff20905963357e.exe
3096	JaffaCakes118_8c0ee1047417c73e05ff20905963357e.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3616 wrote to memory of 4992	3616	JaffaCakes118_8c0ee1047417c73e05ff20905963357e.exe	89
PID 3616 wrote to memory of 4992	3616	JaffaCakes118_8c0ee1047417c73e05ff20905963357e.exe	89
PID 3616 wrote to memory of 4992	3616	JaffaCakes118_8c0ee1047417c73e05ff20905963357e.exe	89
PID 3616 wrote to memory of 3096	3616	JaffaCakes118_8c0ee1047417c73e05ff20905963357e.exe	91
PID 3616 wrote to memory of 3096	3616	JaffaCakes118_8c0ee1047417c73e05ff20905963357e.exe	91
PID 3616 wrote to memory of 3096	3616	JaffaCakes118_8c0ee1047417c73e05ff20905963357e.exe	91
PID 3616 wrote to memory of 3096	3616	JaffaCakes118_8c0ee1047417c73e05ff20905963357e.exe	91
PID 3616 wrote to memory of 3096	3616	JaffaCakes118_8c0ee1047417c73e05ff20905963357e.exe	91
PID 3616 wrote to memory of 3096	3616	JaffaCakes118_8c0ee1047417c73e05ff20905963357e.exe	91

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8c0ee1047417c73e05ff20905963357e.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8c0ee1047417c73e05ff20905963357e.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3616
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LyTtZRlfdo" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE5.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4992
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8c0ee1047417c73e05ff20905963357e.exe
  "{path}"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3096

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpE5.tmp

Filesize
1KB

MD5
777c0c48a95c2fe21bb99e6ad964330c

SHA1
6e63cd329d0aebeebb0608f602b6be15cdef434e

SHA256
f3f8c44f6dd4f9e67a1db9b70bc04db1101e0bd3dd07a527664ae35ce798f253

SHA512
215fd3c73922db3013ef0dbf44ac688a231831879dbe7b797b7f09db5e3599ac2df8b71021db4eee3b0f5443fd986c1cea7780411b8ed51b82fd4b772bd29c74

Download Submit
memory/3096-19-0x0000000001B00000-0x0000000001E4A000-memory.dmp

Filesize
3.3MB

Download
memory/3096-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3616-8-0x0000000007CB0000-0x0000000007CC4000-memory.dmp

Filesize
80KB

Download
memory/3616-10-0x0000000074AE0000-0x0000000075290000-memory.dmp

Filesize
7.7MB

Download
memory/3616-5-0x00000000050C0000-0x00000000050CA000-memory.dmp

Filesize
40KB

Download
memory/3616-6-0x0000000074AE0000-0x0000000075290000-memory.dmp

Filesize
7.7MB

Download
memory/3616-7-0x0000000005340000-0x0000000005396000-memory.dmp

Filesize
344KB

Download
memory/3616-0-0x0000000074AEE000-0x0000000074AEF000-memory.dmp

Filesize
4KB

Download
memory/3616-9-0x0000000074AEE000-0x0000000074AEF000-memory.dmp

Filesize
4KB

Download
memory/3616-4-0x0000000005100000-0x0000000005192000-memory.dmp

Filesize
584KB

Download
memory/3616-11-0x0000000007E90000-0x0000000007F18000-memory.dmp

Filesize
544KB

Download
memory/3616-12-0x000000000A5E0000-0x000000000A614000-memory.dmp

Filesize
208KB

Download
memory/3616-3-0x00000000056B0000-0x0000000005C54000-memory.dmp

Filesize
5.6MB

Download
memory/3616-2-0x0000000005020000-0x00000000050BC000-memory.dmp

Filesize
624KB

Download
memory/3616-18-0x0000000074AE0000-0x0000000075290000-memory.dmp

Filesize
7.7MB

Download
memory/3616-1-0x0000000000590000-0x0000000000666000-memory.dmp

Filesize
856KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads