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
behavioral1/memory/2624-19-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2112 set thread context of 2624	2112	db6d3cab6ab5c0c2e324c6615ac15271_JaffaCakes118.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	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
2788	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2624	db6d3cab6ab5c0c2e324c6615ac15271_JaffaCakes118.exe
2112	db6d3cab6ab5c0c2e324c6615ac15271_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2112	db6d3cab6ab5c0c2e324c6615ac15271_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 2788	2112	db6d3cab6ab5c0c2e324c6615ac15271_JaffaCakes118.exe	31
PID 2112 wrote to memory of 2788	2112	db6d3cab6ab5c0c2e324c6615ac15271_JaffaCakes118.exe	31
PID 2112 wrote to memory of 2788	2112	db6d3cab6ab5c0c2e324c6615ac15271_JaffaCakes118.exe	31
PID 2112 wrote to memory of 2788	2112	db6d3cab6ab5c0c2e324c6615ac15271_JaffaCakes118.exe	31
PID 2112 wrote to memory of 2624	2112	db6d3cab6ab5c0c2e324c6615ac15271_JaffaCakes118.exe	33
PID 2112 wrote to memory of 2624	2112	db6d3cab6ab5c0c2e324c6615ac15271_JaffaCakes118.exe	33
PID 2112 wrote to memory of 2624	2112	db6d3cab6ab5c0c2e324c6615ac15271_JaffaCakes118.exe	33
PID 2112 wrote to memory of 2624	2112	db6d3cab6ab5c0c2e324c6615ac15271_JaffaCakes118.exe	33
PID 2112 wrote to memory of 2624	2112	db6d3cab6ab5c0c2e324c6615ac15271_JaffaCakes118.exe	33
PID 2112 wrote to memory of 2624	2112	db6d3cab6ab5c0c2e324c6615ac15271_JaffaCakes118.exe	33
PID 2112 wrote to memory of 2624	2112	db6d3cab6ab5c0c2e324c6615ac15271_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\db6d3cab6ab5c0c2e324c6615ac15271_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\db6d3cab6ab5c0c2e324c6615ac15271_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2112
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VoAsUIuTO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCA70.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2788
- C:\Users\Admin\AppData\Local\Temp\db6d3cab6ab5c0c2e324c6615ac15271_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\db6d3cab6ab5c0c2e324c6615ac15271_JaffaCakes118.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2624

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\tmpCA70.tmp

Filesize
1KB

MD5
920db148a6b4889a3e1de3e2e858dfaa

SHA1
84bf85614e96be704cf5eb4f6c89697336aa217d

SHA256
0b224c46082c757b456d7c0092958411ba9584c1fecda0ff86dbf2656184c3e7

SHA512
a8f66c590a2fbb1263f191d4b7f3e660ba3d26b72fbb82a74376ce9736e44796e9ceac9e8957045af0051a33aaf002ce442b611281bff3156f7c71ff82e69133

Download Submit
memory/2112-6-0x0000000004FC0000-0x0000000005022000-memory.dmp

Filesize
392KB

Download
memory/2112-2-0x0000000000810000-0x000000000081A000-memory.dmp

Filesize
40KB

Download
memory/2112-3-0x0000000074580000-0x0000000074C6E000-memory.dmp

Filesize
6.9MB

Download
memory/2112-4-0x000000007458E000-0x000000007458F000-memory.dmp

Filesize
4KB

Download
memory/2112-5-0x0000000074580000-0x0000000074C6E000-memory.dmp

Filesize
6.9MB

Download
memory/2112-0-0x000000007458E000-0x000000007458F000-memory.dmp

Filesize
4KB

Download
memory/2112-1-0x0000000000830000-0x0000000000922000-memory.dmp

Filesize
968KB

Download
memory/2112-21-0x0000000074580000-0x0000000074C6E000-memory.dmp

Filesize
6.9MB

Download
memory/2624-20-0x0000000000BC0000-0x0000000000EC3000-memory.dmp

Filesize
3.0MB

Download
memory/2624-19-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2624-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2624-14-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2624-12-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads