formbook | 4850acfdb42686e44bef0aaaffa11dbffe1d59db4a84def2e12a309ab09561c5

General

Target

JaffaCakes118_397f77e9fa4a64173bdb4e97b2eca2f2.exe
Size

674KB
MD5

397f77e9fa4a64173bdb4e97b2eca2f2
SHA1

9e1f131229b2c427f14c4480ae4963ac089e03d5
SHA256

4850acfdb42686e44bef0aaaffa11dbffe1d59db4a84def2e12a309ab09561c5
SHA512

664bf4425ca4e24b48b6a369daf7af613cd94ce98382b580540022796a03c15f6fd0a6803a4c09f670f0c115a64692e42defd8e467bb048530dfad771a1e4a31
SSDEEP

12288:FTPFpljp+Z+RSWz/WEFpADBtPdyYtEfXDspbRWbcVDEM14ag:FTPFTpaepwQYKObJCag

Score

10^/10

formbook u1bs discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

u1bs

Decoy

ln-safe-keepingmisva4.xyz

rtfh.xyz

awolin.link

metadlf.com

cardboardcasual.com

psicoterapiahablada.com

spaminator.xyz

hnjqzl.top

dentalyinovasi.site

biosynblas.com

zvyk.store

shreevishwakarmaservices.com

showersplash.com

norbert-roth.com

londoncapitaltraders.com

istanbuldonerkebabheroncity.com

realdiscountsnow.com

marlinplumbingwnc.com

magazinadziavane.com

qantv.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/2928-17-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1124 set thread context of 2928	1124	JaffaCakes118_397f77e9fa4a64173bdb4e97b2eca2f2.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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_397f77e9fa4a64173bdb4e97b2eca2f2.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
2808	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2928	JaffaCakes118_397f77e9fa4a64173bdb4e97b2eca2f2.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1124 wrote to memory of 2808	1124	JaffaCakes118_397f77e9fa4a64173bdb4e97b2eca2f2.exe	31
PID 1124 wrote to memory of 2808	1124	JaffaCakes118_397f77e9fa4a64173bdb4e97b2eca2f2.exe	31
PID 1124 wrote to memory of 2808	1124	JaffaCakes118_397f77e9fa4a64173bdb4e97b2eca2f2.exe	31
PID 1124 wrote to memory of 2808	1124	JaffaCakes118_397f77e9fa4a64173bdb4e97b2eca2f2.exe	31
PID 1124 wrote to memory of 2928	1124	JaffaCakes118_397f77e9fa4a64173bdb4e97b2eca2f2.exe	33
PID 1124 wrote to memory of 2928	1124	JaffaCakes118_397f77e9fa4a64173bdb4e97b2eca2f2.exe	33
PID 1124 wrote to memory of 2928	1124	JaffaCakes118_397f77e9fa4a64173bdb4e97b2eca2f2.exe	33
PID 1124 wrote to memory of 2928	1124	JaffaCakes118_397f77e9fa4a64173bdb4e97b2eca2f2.exe	33
PID 1124 wrote to memory of 2928	1124	JaffaCakes118_397f77e9fa4a64173bdb4e97b2eca2f2.exe	33
PID 1124 wrote to memory of 2928	1124	JaffaCakes118_397f77e9fa4a64173bdb4e97b2eca2f2.exe	33
PID 1124 wrote to memory of 2928	1124	JaffaCakes118_397f77e9fa4a64173bdb4e97b2eca2f2.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_397f77e9fa4a64173bdb4e97b2eca2f2.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_397f77e9fa4a64173bdb4e97b2eca2f2.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1124
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GNAWJsIq" /XML "C:\Users\Admin\AppData\Local\Temp\tmp360E.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2808
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_397f77e9fa4a64173bdb4e97b2eca2f2.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_397f77e9fa4a64173bdb4e97b2eca2f2.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2928

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

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Downloads

memory/1124-0-0x0000000074C71000-0x0000000074C72000-memory.dmp

Filesize
4KB

Download
memory/1124-1-0x0000000074C70000-0x000000007521B000-memory.dmp

Filesize
5.7MB

Download
memory/1124-2-0x0000000074C70000-0x000000007521B000-memory.dmp

Filesize
5.7MB

Download
memory/1124-3-0x0000000074C70000-0x000000007521B000-memory.dmp

Filesize
5.7MB

Download
memory/1124-4-0x0000000074C70000-0x000000007521B000-memory.dmp

Filesize
5.7MB

Download
memory/1124-19-0x0000000074C70000-0x000000007521B000-memory.dmp

Filesize
5.7MB

Download
memory/2928-18-0x0000000000B40000-0x0000000000E43000-memory.dmp

Filesize
3.0MB

Download
memory/2928-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2928-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2928-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2928-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads