formbook | f9589f810b0a61d3fb5643856b3feb56b7710a309fbe0eab29f1f7a7cd74f928

General

Target

db6d3cab6ab5c0c2e324c6615ac15271_JaffaCakes118.exe
Size

946KB
MD5

db6d3cab6ab5c0c2e324c6615ac15271
SHA1

ec26b25a98165a97442c53f197cc5bcd9c424b23
SHA256

f9589f810b0a61d3fb5643856b3feb56b7710a309fbe0eab29f1f7a7cd74f928
SHA512

b9dbb72d4426c0db8db93347f90b22d0dee014de947ef57bdf9f0bb2d677080aefcbd166ef93e249d5239cba857ba831478a6b8479e6bf4a4141c2b42a5a880f
SSDEEP

12288:qIQZ0whoMbKAn6wRt+50pt78pUC8an8pUC8afgQe0MvU8OWD4EvjsVklCl3H6qwc:pWoMbKK3Z8N8xRe0MvzH4E4VkClX0ha

Score

10^/10

formbook bft discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

bft

Decoy

edenicities.com

buntingfordhomeservices.com

nuanceproducoes.com

divasinspire.com

capiturn.com

zbjsn.com

thegioicaytrongnha.com

featherventure.com

onbrandtrading.com

sanguoban.com

doorman.pro

ourhomie.net

iwassickonholiday.com

mrcskin.com

reallycoolmask.com

tkrbeautyinstitut.com

keytomiami.com

sesliduybeni.com

asherwebber.com

starkweatherwindows.net

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
behavioral2/memory/3396-17-0x0000000000400000-0x000000000042E000-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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	db6d3cab6ab5c0c2e324c6615ac15271_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2360 set thread context of 3396	2360	db6d3cab6ab5c0c2e324c6615ac15271_JaffaCakes118.exe	98

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	db6d3cab6ab5c0c2e324c6615ac15271_JaffaCakes118.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
3160	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2360	db6d3cab6ab5c0c2e324c6615ac15271_JaffaCakes118.exe
2360	db6d3cab6ab5c0c2e324c6615ac15271_JaffaCakes118.exe
2360	db6d3cab6ab5c0c2e324c6615ac15271_JaffaCakes118.exe
3396	db6d3cab6ab5c0c2e324c6615ac15271_JaffaCakes118.exe
3396	db6d3cab6ab5c0c2e324c6615ac15271_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2360	db6d3cab6ab5c0c2e324c6615ac15271_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2360 wrote to memory of 3160	2360	db6d3cab6ab5c0c2e324c6615ac15271_JaffaCakes118.exe	95
PID 2360 wrote to memory of 3160	2360	db6d3cab6ab5c0c2e324c6615ac15271_JaffaCakes118.exe	95
PID 2360 wrote to memory of 3160	2360	db6d3cab6ab5c0c2e324c6615ac15271_JaffaCakes118.exe	95
PID 2360 wrote to memory of 512	2360	db6d3cab6ab5c0c2e324c6615ac15271_JaffaCakes118.exe	97
PID 2360 wrote to memory of 512	2360	db6d3cab6ab5c0c2e324c6615ac15271_JaffaCakes118.exe	97
PID 2360 wrote to memory of 512	2360	db6d3cab6ab5c0c2e324c6615ac15271_JaffaCakes118.exe	97
PID 2360 wrote to memory of 3396	2360	db6d3cab6ab5c0c2e324c6615ac15271_JaffaCakes118.exe	98
PID 2360 wrote to memory of 3396	2360	db6d3cab6ab5c0c2e324c6615ac15271_JaffaCakes118.exe	98
PID 2360 wrote to memory of 3396	2360	db6d3cab6ab5c0c2e324c6615ac15271_JaffaCakes118.exe	98
PID 2360 wrote to memory of 3396	2360	db6d3cab6ab5c0c2e324c6615ac15271_JaffaCakes118.exe	98
PID 2360 wrote to memory of 3396	2360	db6d3cab6ab5c0c2e324c6615ac15271_JaffaCakes118.exe	98
PID 2360 wrote to memory of 3396	2360	db6d3cab6ab5c0c2e324c6615ac15271_JaffaCakes118.exe	98

C:\Users\Admin\AppData\Local\Temp\db6d3cab6ab5c0c2e324c6615ac15271_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\db6d3cab6ab5c0c2e324c6615ac15271_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2360
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VoAsUIuTO" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8681.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3160
- C:\Users\Admin\AppData\Local\Temp\db6d3cab6ab5c0c2e324c6615ac15271_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\db6d3cab6ab5c0c2e324c6615ac15271_JaffaCakes118.exe"
  2⤵
  PID:512
- C:\Users\Admin\AppData\Local\Temp\db6d3cab6ab5c0c2e324c6615ac15271_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\db6d3cab6ab5c0c2e324c6615ac15271_JaffaCakes118.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3396

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\tmp8681.tmp

Filesize
1KB

MD5
ea80df5e26bbc761ca70ab949267e9c3

SHA1
1d5faa539f64a9d2271ba6355d3b8d57c5830038

SHA256
c5d927259e96d04cca2568d8d50a6881b5d8709154497b72edbe51901363a95f

SHA512
211230e907703a12f4a424a2485bf0d79c01d837ff1d844f653ec307453022933e34ff9074a8581bfff21789729f1b97ccf32131b249158130fa896f581d4742

Download Submit
memory/2360-4-0x00000000053B0000-0x0000000005442000-memory.dmp

Filesize
584KB

Download
memory/2360-7-0x00000000749E0000-0x0000000075190000-memory.dmp

Filesize
7.7MB

Download
memory/2360-3-0x00000000058C0000-0x0000000005E64000-memory.dmp

Filesize
5.6MB

Download
memory/2360-0-0x00000000749EE000-0x00000000749EF000-memory.dmp

Filesize
4KB

Download
memory/2360-9-0x00000000749EE000-0x00000000749EF000-memory.dmp

Filesize
4KB

Download
memory/2360-6-0x0000000005540000-0x0000000005596000-memory.dmp

Filesize
344KB

Download
memory/2360-2-0x00000000051F0000-0x000000000528C000-memory.dmp

Filesize
624KB

Download
memory/2360-8-0x0000000005750000-0x000000000575A000-memory.dmp

Filesize
40KB

Download
memory/2360-5-0x00000000052C0000-0x00000000052CA000-memory.dmp

Filesize
40KB

Download
memory/2360-10-0x00000000749E0000-0x0000000075190000-memory.dmp

Filesize
7.7MB

Download
memory/2360-11-0x0000000001170000-0x00000000011D2000-memory.dmp

Filesize
392KB

Download
memory/2360-1-0x0000000000780000-0x0000000000872000-memory.dmp

Filesize
968KB

Download
memory/2360-19-0x00000000749E0000-0x0000000075190000-memory.dmp

Filesize
7.7MB

Download
memory/3396-17-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3396-20-0x0000000001450000-0x000000000179A000-memory.dmp

Filesize
3.3MB

Download
memory/3396-21-0x0000000001450000-0x000000000179A000-memory.dmp

Filesize
3.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads