formbook | 371a7fde3d56ab06c051efdd78f55fa6a142360de778646d24f713b9097048e1

General

Target

JaffaCakes118_2ea863b6b81bb910cacf7ad6562438d3.exe
Size

513KB
MD5

2ea863b6b81bb910cacf7ad6562438d3
SHA1

13f5dbf1f7ba7191b41ca1aea3d18035709f6744
SHA256

371a7fde3d56ab06c051efdd78f55fa6a142360de778646d24f713b9097048e1
SHA512

8461ebefd23f850522cac453d33e533d1a208ca43e8a5fa328bc99a67c9726724aa7ff23232e14a77a52fe0dff25efd08338af6359b221cfc1eefdd89384e00d
SSDEEP

12288:UGeKvwZe/UrHaGfb6POd+rTpOSJMvMEB7:UGeKJcrH7/d+/BMv3

Score

10^/10

formbook bs2l discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

bs2l

Decoy

file-anae.com

letsgosunderland.com

urgome.com

g5tet.xyz

myline2online.com

crafty-buck.com

uralpack.net

chinmeat.com

kursuskekipoh.com

justgantt.com

hqh.xyz

xiongege55.com

pokebrostogo.com

firststonemusic.com

bataviabento.com

comoditahandyshop.com

dayloniabeauty.com

ceeonec.com

scribblerhub.com

lindosueno.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Formbook family
formbook

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral2/memory/456-16-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/456-21-0x0000000000400000-0x000000000042E000-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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	JaffaCakes118_2ea863b6b81bb910cacf7ad6562438d3.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 396 set thread context of 456	396	JaffaCakes118_2ea863b6b81bb910cacf7ad6562438d3.exe	101
PID 456 set thread context of 3436	456	RegSvcs.exe	56
PID 3836 set thread context of 3436	3836	cscript.exe	56

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 4 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	cscript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_2ea863b6b81bb910cacf7ad6562438d3.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
1168	schtasks.exe

Suspicious behavior: EnumeratesProcesses 46 IoCs

pid	Process
456	RegSvcs.exe
456	RegSvcs.exe
456	RegSvcs.exe
456	RegSvcs.exe
3836	cscript.exe
3836	cscript.exe
3836	cscript.exe
3836	cscript.exe
3836	cscript.exe
3836	cscript.exe
3836	cscript.exe
3836	cscript.exe
3836	cscript.exe
3836	cscript.exe
3836	cscript.exe
3836	cscript.exe
3836	cscript.exe
3836	cscript.exe
3836	cscript.exe
3836	cscript.exe
3836	cscript.exe
3836	cscript.exe
3836	cscript.exe
3836	cscript.exe
3836	cscript.exe
3836	cscript.exe
3836	cscript.exe
3836	cscript.exe
3836	cscript.exe
3836	cscript.exe
3836	cscript.exe
3836	cscript.exe
3836	cscript.exe
3836	cscript.exe
3836	cscript.exe
3836	cscript.exe
3836	cscript.exe
3836	cscript.exe
3836	cscript.exe
3836	cscript.exe
3836	cscript.exe
3836	cscript.exe
3836	cscript.exe
3836	cscript.exe
3836	cscript.exe
3836	cscript.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
456	RegSvcs.exe
456	RegSvcs.exe
456	RegSvcs.exe
3836	cscript.exe
3836	cscript.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	456	RegSvcs.exe
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE
Token: SeDebugPrivilege	3836	cscript.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 396 wrote to memory of 1168	396	JaffaCakes118_2ea863b6b81bb910cacf7ad6562438d3.exe	99
PID 396 wrote to memory of 1168	396	JaffaCakes118_2ea863b6b81bb910cacf7ad6562438d3.exe	99
PID 396 wrote to memory of 1168	396	JaffaCakes118_2ea863b6b81bb910cacf7ad6562438d3.exe	99
PID 396 wrote to memory of 456	396	JaffaCakes118_2ea863b6b81bb910cacf7ad6562438d3.exe	101
PID 396 wrote to memory of 456	396	JaffaCakes118_2ea863b6b81bb910cacf7ad6562438d3.exe	101
PID 396 wrote to memory of 456	396	JaffaCakes118_2ea863b6b81bb910cacf7ad6562438d3.exe	101
PID 396 wrote to memory of 456	396	JaffaCakes118_2ea863b6b81bb910cacf7ad6562438d3.exe	101
PID 396 wrote to memory of 456	396	JaffaCakes118_2ea863b6b81bb910cacf7ad6562438d3.exe	101
PID 396 wrote to memory of 456	396	JaffaCakes118_2ea863b6b81bb910cacf7ad6562438d3.exe	101
PID 3436 wrote to memory of 3836	3436	Explorer.EXE	102
PID 3436 wrote to memory of 3836	3436	Explorer.EXE	102
PID 3436 wrote to memory of 3836	3436	Explorer.EXE	102
PID 3836 wrote to memory of 2688	3836	cscript.exe	103
PID 3836 wrote to memory of 2688	3836	cscript.exe	103
PID 3836 wrote to memory of 2688	3836	cscript.exe	103

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3436
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2ea863b6b81bb910cacf7ad6562438d3.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2ea863b6b81bb910cacf7ad6562438d3.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:396
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eGWSVRxsBoYDt" /XML "C:\Users\Admin\AppData\Local\Temp\tmp17F8.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1168
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:456
- C:\Windows\SysWOW64\cscript.exe
  "C:\Windows\SysWOW64\cscript.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3836
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2688

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/396-10-0x0000000008290000-0x00000000082E8000-memory.dmp

Filesize
352KB

Download
memory/396-8-0x00000000747E0000-0x0000000074F90000-memory.dmp

Filesize
7.7MB

Download
memory/396-2-0x0000000005D00000-0x00000000062A4000-memory.dmp

Filesize
5.6MB

Download
memory/396-3-0x00000000055B0000-0x0000000005642000-memory.dmp

Filesize
584KB

Download
memory/396-4-0x00000000747E0000-0x0000000074F90000-memory.dmp

Filesize
7.7MB

Download
memory/396-5-0x0000000003140000-0x000000000314A000-memory.dmp

Filesize
40KB

Download
memory/396-6-0x0000000006470000-0x000000000647E000-memory.dmp

Filesize
56KB

Download
memory/396-18-0x00000000747E0000-0x0000000074F90000-memory.dmp

Filesize
7.7MB

Download
memory/396-7-0x00000000747EE000-0x00000000747EF000-memory.dmp

Filesize
4KB

Download
memory/396-9-0x00000000082E0000-0x000000000837C000-memory.dmp

Filesize
624KB

Download
memory/396-1-0x0000000000B60000-0x0000000000BE6000-memory.dmp

Filesize
536KB

Download
memory/396-0-0x00000000747EE000-0x00000000747EF000-memory.dmp

Filesize
4KB

Download
memory/456-16-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/456-19-0x0000000000F20000-0x000000000126A000-memory.dmp

Filesize
3.3MB

Download
memory/456-22-0x0000000000A30000-0x0000000000A44000-memory.dmp

Filesize
80KB

Download
memory/456-21-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3436-23-0x0000000008150000-0x00000000082AF000-memory.dmp

Filesize
1.4MB

Download
memory/3436-27-0x0000000008150000-0x00000000082AF000-memory.dmp

Filesize
1.4MB

Download
memory/3436-31-0x00000000082B0000-0x00000000083B3000-memory.dmp

Filesize
1.0MB

Download
memory/3436-32-0x00000000082B0000-0x00000000083B3000-memory.dmp

Filesize
1.0MB

Download
memory/3436-34-0x00000000082B0000-0x00000000083B3000-memory.dmp

Filesize
1.0MB

Download
memory/3836-24-0x0000000000130000-0x0000000000157000-memory.dmp

Filesize
156KB

Download
memory/3836-26-0x0000000000130000-0x0000000000157000-memory.dmp

Filesize
156KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads