formbook | 1bb913d6f594107a8c8d4d64f9a3de85c602813d9ad93189b9949fbc8a93aa32

General

Target

JaffaCakes118_0082bb1c3ac5dc499f6db3d45de0ab3e.exe
Size

454KB
MD5

0082bb1c3ac5dc499f6db3d45de0ab3e
SHA1

90eb55324f4068a4fde1da25ca7a3eff65d17e1e
SHA256

1bb913d6f594107a8c8d4d64f9a3de85c602813d9ad93189b9949fbc8a93aa32
SHA512

e42c5af62527c2193d3f49f93918535b656f9d0a34065657df8273e606405b551e9f939450a134c20c58429951fbe7a27c14e19e66eeee57446349eaf7e30384
SSDEEP

6144:RT6Uqd2GhN5TebaT+hbE8BuXQ7NwHeOwvGOYLtXy00ynAWGyAu4mpwcFCLFjuShC:RmUi2iNtwBE0YOYLt7WDuZmo4juCueW

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
behavioral2/memory/2328-16-0x0000000000400000-0x000000000042F000-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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	JaffaCakes118_0082bb1c3ac5dc499f6db3d45de0ab3e.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2364 set thread context of 2328	2364	JaffaCakes118_0082bb1c3ac5dc499f6db3d45de0ab3e.exe	92

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_0082bb1c3ac5dc499f6db3d45de0ab3e.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
3884	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2328	JaffaCakes118_0082bb1c3ac5dc499f6db3d45de0ab3e.exe
2328	JaffaCakes118_0082bb1c3ac5dc499f6db3d45de0ab3e.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2364 wrote to memory of 3884	2364	JaffaCakes118_0082bb1c3ac5dc499f6db3d45de0ab3e.exe	90
PID 2364 wrote to memory of 3884	2364	JaffaCakes118_0082bb1c3ac5dc499f6db3d45de0ab3e.exe	90
PID 2364 wrote to memory of 3884	2364	JaffaCakes118_0082bb1c3ac5dc499f6db3d45de0ab3e.exe	90
PID 2364 wrote to memory of 2328	2364	JaffaCakes118_0082bb1c3ac5dc499f6db3d45de0ab3e.exe	92
PID 2364 wrote to memory of 2328	2364	JaffaCakes118_0082bb1c3ac5dc499f6db3d45de0ab3e.exe	92
PID 2364 wrote to memory of 2328	2364	JaffaCakes118_0082bb1c3ac5dc499f6db3d45de0ab3e.exe	92
PID 2364 wrote to memory of 2328	2364	JaffaCakes118_0082bb1c3ac5dc499f6db3d45de0ab3e.exe	92
PID 2364 wrote to memory of 2328	2364	JaffaCakes118_0082bb1c3ac5dc499f6db3d45de0ab3e.exe	92
PID 2364 wrote to memory of 2328	2364	JaffaCakes118_0082bb1c3ac5dc499f6db3d45de0ab3e.exe	92

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0082bb1c3ac5dc499f6db3d45de0ab3e.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0082bb1c3ac5dc499f6db3d45de0ab3e.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2364
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YAeSiES" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD63C.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3884
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0082bb1c3ac5dc499f6db3d45de0ab3e.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0082bb1c3ac5dc499f6db3d45de0ab3e.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2328

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

memory/2328-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2328-19-0x0000000000FB0000-0x00000000012FA000-memory.dmp

Filesize
3.3MB

Download
memory/2364-6-0x0000000005580000-0x000000000558E000-memory.dmp

Filesize
56KB

Download
memory/2364-3-0x00000000052D0000-0x0000000005362000-memory.dmp

Filesize
584KB

Download
memory/2364-4-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/2364-5-0x00000000052B0000-0x00000000052BA000-memory.dmp

Filesize
40KB

Download
memory/2364-0-0x00000000751AE000-0x00000000751AF000-memory.dmp

Filesize
4KB

Download
memory/2364-7-0x00000000751AE000-0x00000000751AF000-memory.dmp

Filesize
4KB

Download
memory/2364-8-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/2364-9-0x0000000005E90000-0x0000000005F2C000-memory.dmp

Filesize
624KB

Download
memory/2364-10-0x0000000006030000-0x0000000006088000-memory.dmp

Filesize
352KB

Download
memory/2364-2-0x00000000057E0000-0x0000000005D84000-memory.dmp

Filesize
5.6MB

Download
memory/2364-18-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/2364-1-0x0000000000870000-0x00000000008E8000-memory.dmp

Filesize
480KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads