formbook | 984ad48db84dccbf4d978f50b0cad2c0f2eb4a256cc5f3b470facf3e411283ae

General

Target

823e170624508c0f8ae864ee2cdc7e8f_JaffaCakes118.exe
Size

1.1MB
MD5

823e170624508c0f8ae864ee2cdc7e8f
SHA1

d651853b3a483b4338405f0347ec1c8ddee27f43
SHA256

984ad48db84dccbf4d978f50b0cad2c0f2eb4a256cc5f3b470facf3e411283ae
SHA512

6d0d7650a47b2cc610267278d5ad5507776189c21220c44330333a8da8aab1a9302e7d2c29315c715356a266621916bd23a7cfd8682c175f18371f2b7ed3de09
SSDEEP

12288:JIn7d2iNND81lhaIAjbJOm4gutFgaawmNa4wpWHx75uMLG+tsQEOgu5:K1P81ra/3JOmTGlhmNa4y+tU

Score

10^/10

formbook o4ms discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

o4ms

Decoy

fishingboatpub.com

trebor72.com

qualitycleanaustralia.com

amphilykenyx.com

jayte90.net

alveegrace.com

le-fleursoleil.com

volumoffer.com

businessbookwriters.com

alpin-art.com

firsttastetogo.com

catofc.com

ref-290.com

sbo2008.com

fortlauderdaleelevators.com

shanghaiyalian.com

majestybags.com

afcerd.com

myceliated.com

ls0a.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Formbook family
formbook

Formbook payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/2820-19-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/2820-22-0x0000000000890000-0x0000000000B93000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

Processes:

823e170624508c0f8ae864ee2cdc7e8f_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2076 set thread context of 2820	2076	823e170624508c0f8ae864ee2cdc7e8f_JaffaCakes118.exe	32

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

Processes:

schtasks.exe823e170624508c0f8ae864ee2cdc7e8f_JaffaCakes118.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	823e170624508c0f8ae864ee2cdc7e8f_JaffaCakes118.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

Processes:

schtasks.exe

pid	Process
2172	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

823e170624508c0f8ae864ee2cdc7e8f_JaffaCakes118.exe

pid	Process
2820	823e170624508c0f8ae864ee2cdc7e8f_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

823e170624508c0f8ae864ee2cdc7e8f_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2076 wrote to memory of 2172	2076	823e170624508c0f8ae864ee2cdc7e8f_JaffaCakes118.exe	30
PID 2076 wrote to memory of 2172	2076	823e170624508c0f8ae864ee2cdc7e8f_JaffaCakes118.exe	30
PID 2076 wrote to memory of 2172	2076	823e170624508c0f8ae864ee2cdc7e8f_JaffaCakes118.exe	30
PID 2076 wrote to memory of 2172	2076	823e170624508c0f8ae864ee2cdc7e8f_JaffaCakes118.exe	30
PID 2076 wrote to memory of 2820	2076	823e170624508c0f8ae864ee2cdc7e8f_JaffaCakes118.exe	32
PID 2076 wrote to memory of 2820	2076	823e170624508c0f8ae864ee2cdc7e8f_JaffaCakes118.exe	32
PID 2076 wrote to memory of 2820	2076	823e170624508c0f8ae864ee2cdc7e8f_JaffaCakes118.exe	32
PID 2076 wrote to memory of 2820	2076	823e170624508c0f8ae864ee2cdc7e8f_JaffaCakes118.exe	32
PID 2076 wrote to memory of 2820	2076	823e170624508c0f8ae864ee2cdc7e8f_JaffaCakes118.exe	32
PID 2076 wrote to memory of 2820	2076	823e170624508c0f8ae864ee2cdc7e8f_JaffaCakes118.exe	32
PID 2076 wrote to memory of 2820	2076	823e170624508c0f8ae864ee2cdc7e8f_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\823e170624508c0f8ae864ee2cdc7e8f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\823e170624508c0f8ae864ee2cdc7e8f_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2076
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yRLRgdltZo" /XML "C:\Users\Admin\AppData\Local\Temp\tmp68F0.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2172
- C:\Users\Admin\AppData\Local\Temp\823e170624508c0f8ae864ee2cdc7e8f_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\823e170624508c0f8ae864ee2cdc7e8f_JaffaCakes118.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2820

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp68F0.tmp

Filesize
1KB

MD5
c456fa6faf187fd570babef1f720ad57

SHA1
882bee46c694faa50559d53e983710c48a957f5d

SHA256
78c60bb4853e5e254c3886921780b2fac8fc669b4c0ac52822a58bd192a88255

SHA512
c90560a9cf451942ab4b5f609214d38f4f1a54b47af8fb1f313a57e586283cd11efae970d81c27a14d8de74d0098967d5c87259d9a8c1f040230465e95d029fb

Download Submit
memory/2076-4-0x00000000744EE000-0x00000000744EF000-memory.dmp

Filesize
4KB

Download
memory/2076-20-0x00000000744E0000-0x0000000074BCE000-memory.dmp

Filesize
6.9MB

Download
memory/2076-3-0x0000000000220000-0x000000000023E000-memory.dmp

Filesize
120KB

Download
memory/2076-0-0x00000000744EE000-0x00000000744EF000-memory.dmp

Filesize
4KB

Download
memory/2076-5-0x00000000744E0000-0x0000000074BCE000-memory.dmp

Filesize
6.9MB

Download
memory/2076-6-0x00000000054D0000-0x0000000005574000-memory.dmp

Filesize
656KB

Download
memory/2076-2-0x00000000744E0000-0x0000000074BCE000-memory.dmp

Filesize
6.9MB

Download
memory/2076-1-0x0000000000BB0000-0x0000000000CC6000-memory.dmp

Filesize
1.1MB

Download
memory/2076-7-0x0000000000AD0000-0x0000000000B04000-memory.dmp

Filesize
208KB

Download
memory/2820-19-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2820-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2820-15-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2820-13-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2820-21-0x0000000000890000-0x0000000000B93000-memory.dmp

Filesize
3.0MB

Download
memory/2820-22-0x0000000000890000-0x0000000000B93000-memory.dmp

Filesize
3.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads