formbook | 51b54616de868dfaa1addcc28e0ca99f66a061de672858c2cdccafcce04aa335

General

Target

JaffaCakes118_28f253dd70ec114954cb9720bc2e833b.exe
Size

524KB
MD5

28f253dd70ec114954cb9720bc2e833b
SHA1

89bbf2aad3258e47a338d0344509fd051cac842c
SHA256

51b54616de868dfaa1addcc28e0ca99f66a061de672858c2cdccafcce04aa335
SHA512

15b8d8afd9eaf879dd2587dd923b481c7de71653b49f7c0adb91e253d276a92661721bf552c18ec5243e1f10078f8d09b5d2e1bacbc0f5f364cf4a8d3857848c
SSDEEP

12288:AUi2iNekn+gWfltKCgfNQoJNu7OcJeDWh5lgCFI:AUi1Qk1Wn6aNYDW9

Score

10^/10

formbook oy1n discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

oy1n

Decoy

tammiestakeyqynaxbsjxgt.com

whbx-sfgsge1009-xvsdf.xyz

0ass52.icu

alfer-creacions.com

jsscr5.icu

kclearyart.com

studioandric.com

2zem.online

convert-course.com

fonduesetdirect.com

pohonrambutan.com

dousujing.net

dizzydamesdesigns.com

sphetbiubr318-nifty.xyz

bolader.com

casaceramique.com

ugrza.tech

pakzak.com

mjrandsons.com

happyandrelaxedstore.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/2568-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1644 set thread context of 2568	1644	JaffaCakes118_28f253dd70ec114954cb9720bc2e833b.exe	33

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_28f253dd70ec114954cb9720bc2e833b.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
2712	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2568	JaffaCakes118_28f253dd70ec114954cb9720bc2e833b.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1644 wrote to memory of 2712	1644	JaffaCakes118_28f253dd70ec114954cb9720bc2e833b.exe	31
PID 1644 wrote to memory of 2712	1644	JaffaCakes118_28f253dd70ec114954cb9720bc2e833b.exe	31
PID 1644 wrote to memory of 2712	1644	JaffaCakes118_28f253dd70ec114954cb9720bc2e833b.exe	31
PID 1644 wrote to memory of 2712	1644	JaffaCakes118_28f253dd70ec114954cb9720bc2e833b.exe	31
PID 1644 wrote to memory of 2568	1644	JaffaCakes118_28f253dd70ec114954cb9720bc2e833b.exe	33
PID 1644 wrote to memory of 2568	1644	JaffaCakes118_28f253dd70ec114954cb9720bc2e833b.exe	33
PID 1644 wrote to memory of 2568	1644	JaffaCakes118_28f253dd70ec114954cb9720bc2e833b.exe	33
PID 1644 wrote to memory of 2568	1644	JaffaCakes118_28f253dd70ec114954cb9720bc2e833b.exe	33
PID 1644 wrote to memory of 2568	1644	JaffaCakes118_28f253dd70ec114954cb9720bc2e833b.exe	33
PID 1644 wrote to memory of 2568	1644	JaffaCakes118_28f253dd70ec114954cb9720bc2e833b.exe	33
PID 1644 wrote to memory of 2568	1644	JaffaCakes118_28f253dd70ec114954cb9720bc2e833b.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_28f253dd70ec114954cb9720bc2e833b.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_28f253dd70ec114954cb9720bc2e833b.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1644
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dVujTFoJVTvyEe" /XML "C:\Users\Admin\AppData\Local\Temp\tmp63F1.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2712
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_28f253dd70ec114954cb9720bc2e833b.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_28f253dd70ec114954cb9720bc2e833b.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2568

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

memory/1644-0-0x000000007491E000-0x000000007491F000-memory.dmp

Filesize
4KB

Download
memory/1644-1-0x0000000001390000-0x0000000001418000-memory.dmp

Filesize
544KB

Download
memory/1644-2-0x0000000074910000-0x0000000074FFE000-memory.dmp

Filesize
6.9MB

Download
memory/1644-3-0x0000000000490000-0x000000000049E000-memory.dmp

Filesize
56KB

Download
memory/1644-4-0x0000000074910000-0x0000000074FFE000-memory.dmp

Filesize
6.9MB

Download
memory/1644-5-0x0000000004CD0000-0x0000000004D28000-memory.dmp

Filesize
352KB

Download
memory/1644-16-0x0000000074910000-0x0000000074FFE000-memory.dmp

Filesize
6.9MB

Download
memory/2568-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2568-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2568-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2568-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2568-17-0x0000000000910000-0x0000000000C13000-memory.dmp

Filesize
3.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads