formbook | df8b0772860e56938078f92e437d4c04ff34808f40837e249b85af1ffb4dee4b

General

Target

3f332ec29d9e058eb1c0e296b04b2518_JaffaCakes118.exe
Size

867KB
MD5

3f332ec29d9e058eb1c0e296b04b2518
SHA1

aa4d9429a1f410beb085f86fa4a5f516f99f6a8b
SHA256

df8b0772860e56938078f92e437d4c04ff34808f40837e249b85af1ffb4dee4b
SHA512

87037bf33969bded6e7e245dfe28edb3f2f1b57ea56b7071957157c2c16fbf4005a68dc198b336c751e346931e479a12f5dc1878b583e4e227a47d93d0700c79
SSDEEP

12288:RupVlyZLmQFafwiXjsDB2ZRgQtuyXnEs0YLEjK101Z/jit2NjFxOH+l:RuHWLlFcwkefdtyLE3DjiMNje

Score

10^/10

formbook m3uc discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

m3uc

Decoy

biostaticenergy.com

sociofy.media

prscan.com

sendsolution.info

four-three-technologies.com

xporntubesex.com

parisanavidi.com

eesegismundopereira.com

coursecamponline.com

arieconsulting.com

kateheneghan.com

techein.com

automotivesemltd.com

michellag.com

missionpossibletvshow.com

luxuryhomereno.com

borderlessnomads.com

regulus5.xyz

thursdayny.com

meditationmultiverse.com

Signatures

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

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral1/memory/2244-12-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
3012	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2708 set thread context of 2244	2708	3f332ec29d9e058eb1c0e296b04b2518_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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3f332ec29d9e058eb1c0e296b04b2518_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2244	3f332ec29d9e058eb1c0e296b04b2518_JaffaCakes118.exe
3012	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3012	powershell.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2708 wrote to memory of 3012	2708	3f332ec29d9e058eb1c0e296b04b2518_JaffaCakes118.exe	31
PID 2708 wrote to memory of 3012	2708	3f332ec29d9e058eb1c0e296b04b2518_JaffaCakes118.exe	31
PID 2708 wrote to memory of 3012	2708	3f332ec29d9e058eb1c0e296b04b2518_JaffaCakes118.exe	31
PID 2708 wrote to memory of 3012	2708	3f332ec29d9e058eb1c0e296b04b2518_JaffaCakes118.exe	31
PID 2708 wrote to memory of 2244	2708	3f332ec29d9e058eb1c0e296b04b2518_JaffaCakes118.exe	32
PID 2708 wrote to memory of 2244	2708	3f332ec29d9e058eb1c0e296b04b2518_JaffaCakes118.exe	32
PID 2708 wrote to memory of 2244	2708	3f332ec29d9e058eb1c0e296b04b2518_JaffaCakes118.exe	32
PID 2708 wrote to memory of 2244	2708	3f332ec29d9e058eb1c0e296b04b2518_JaffaCakes118.exe	32
PID 2708 wrote to memory of 2244	2708	3f332ec29d9e058eb1c0e296b04b2518_JaffaCakes118.exe	32
PID 2708 wrote to memory of 2244	2708	3f332ec29d9e058eb1c0e296b04b2518_JaffaCakes118.exe	32
PID 2708 wrote to memory of 2244	2708	3f332ec29d9e058eb1c0e296b04b2518_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\3f332ec29d9e058eb1c0e296b04b2518_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3f332ec29d9e058eb1c0e296b04b2518_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2708
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\3f332ec29d9e058eb1c0e296b04b2518_JaffaCakes118.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3012
- C:\Users\Admin\AppData\Local\Temp\3f332ec29d9e058eb1c0e296b04b2518_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\3f332ec29d9e058eb1c0e296b04b2518_JaffaCakes118.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2244

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

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

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Downloads

memory/2244-12-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2244-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2244-8-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2244-6-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2244-14-0x0000000000BE0000-0x0000000000EE3000-memory.dmp

Filesize
3.0MB

Download
memory/2708-0-0x0000000074891000-0x0000000074892000-memory.dmp

Filesize
4KB

Download
memory/2708-1-0x0000000074890000-0x0000000074E3B000-memory.dmp

Filesize
5.7MB

Download
memory/2708-2-0x0000000074890000-0x0000000074E3B000-memory.dmp

Filesize
5.7MB

Download
memory/2708-3-0x0000000074890000-0x0000000074E3B000-memory.dmp

Filesize
5.7MB

Download
memory/2708-4-0x0000000074890000-0x0000000074E3B000-memory.dmp

Filesize
5.7MB

Download
memory/2708-5-0x0000000074890000-0x0000000074E3B000-memory.dmp

Filesize
5.7MB

Download
memory/2708-13-0x0000000074890000-0x0000000074E3B000-memory.dmp

Filesize
5.7MB

Download

Analysis

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