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
behavioral1/memory/3068-16-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2188 set thread context of 3068	2188	JaffaCakes118_8c0ee1047417c73e05ff20905963357e.exe	33

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2812	3068	WerFault.exe	33

System Location Discovery: System Language Discovery 1 TTPs 3 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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_8c0ee1047417c73e05ff20905963357e.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
1692	schtasks.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2188 wrote to memory of 1692	2188	JaffaCakes118_8c0ee1047417c73e05ff20905963357e.exe	31
PID 2188 wrote to memory of 1692	2188	JaffaCakes118_8c0ee1047417c73e05ff20905963357e.exe	31
PID 2188 wrote to memory of 1692	2188	JaffaCakes118_8c0ee1047417c73e05ff20905963357e.exe	31
PID 2188 wrote to memory of 1692	2188	JaffaCakes118_8c0ee1047417c73e05ff20905963357e.exe	31
PID 2188 wrote to memory of 3068	2188	JaffaCakes118_8c0ee1047417c73e05ff20905963357e.exe	33
PID 2188 wrote to memory of 3068	2188	JaffaCakes118_8c0ee1047417c73e05ff20905963357e.exe	33
PID 2188 wrote to memory of 3068	2188	JaffaCakes118_8c0ee1047417c73e05ff20905963357e.exe	33
PID 2188 wrote to memory of 3068	2188	JaffaCakes118_8c0ee1047417c73e05ff20905963357e.exe	33
PID 2188 wrote to memory of 3068	2188	JaffaCakes118_8c0ee1047417c73e05ff20905963357e.exe	33
PID 2188 wrote to memory of 3068	2188	JaffaCakes118_8c0ee1047417c73e05ff20905963357e.exe	33
PID 2188 wrote to memory of 3068	2188	JaffaCakes118_8c0ee1047417c73e05ff20905963357e.exe	33
PID 3068 wrote to memory of 2812	3068	JaffaCakes118_8c0ee1047417c73e05ff20905963357e.exe	34
PID 3068 wrote to memory of 2812	3068	JaffaCakes118_8c0ee1047417c73e05ff20905963357e.exe	34
PID 3068 wrote to memory of 2812	3068	JaffaCakes118_8c0ee1047417c73e05ff20905963357e.exe	34
PID 3068 wrote to memory of 2812	3068	JaffaCakes118_8c0ee1047417c73e05ff20905963357e.exe	34

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8c0ee1047417c73e05ff20905963357e.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8c0ee1047417c73e05ff20905963357e.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2188
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LyTtZRlfdo" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3C45.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1692
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8c0ee1047417c73e05ff20905963357e.exe
  "{path}"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3068
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3068 -s 36
    3⤵
    - Program crash
    PID:2812

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

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp3C45.tmp

Filesize
1KB

MD5
05761a2bbe27d267a9fc06bbcb292606

SHA1
aabab960e121d26a5e6f1820f1af4a5a5773635b

SHA256
1e1e10c6d3c50681abddaa21c0cc15941504fef1ac18baaed7ea08f312a0e9a9

SHA512
ab7599720fb11d3cad3c3d003aa83e793c17f2cf9e52e4ad23b157d440da212a88389e6b84229c861e922eb8f7b2e9b171bf4a125c67daeecec82c613e3dda4b

Download Submit
memory/2188-6-0x0000000005B20000-0x0000000005BA8000-memory.dmp

Filesize
544KB

Download
memory/2188-2-0x0000000074790000-0x0000000074E7E000-memory.dmp

Filesize
6.9MB

Download
memory/2188-3-0x00000000003E0000-0x00000000003F4000-memory.dmp

Filesize
80KB

Download
memory/2188-4-0x000000007479E000-0x000000007479F000-memory.dmp

Filesize
4KB

Download
memory/2188-5-0x0000000074790000-0x0000000074E7E000-memory.dmp

Filesize
6.9MB

Download
memory/2188-0-0x000000007479E000-0x000000007479F000-memory.dmp

Filesize
4KB

Download
memory/2188-7-0x0000000000A50000-0x0000000000A84000-memory.dmp

Filesize
208KB

Download
memory/2188-1-0x0000000000FE0000-0x00000000010B6000-memory.dmp

Filesize
856KB

Download
memory/2188-17-0x0000000074790000-0x0000000074E7E000-memory.dmp

Filesize
6.9MB

Download
memory/3068-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3068-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3068-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3068-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads