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 1 IoCs

rat

resource	yara_rule
behavioral1/memory/2800-17-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2356 set thread context of 2800	2356	JaffaCakes118_2ea863b6b81bb910cacf7ad6562438d3.exe	33

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2884	2800	WerFault.exe	33

System Location Discovery: System Language Discovery 1 TTPs 3 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_2ea863b6b81bb910cacf7ad6562438d3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.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
2904	schtasks.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2356 wrote to memory of 2904	2356	JaffaCakes118_2ea863b6b81bb910cacf7ad6562438d3.exe	31
PID 2356 wrote to memory of 2904	2356	JaffaCakes118_2ea863b6b81bb910cacf7ad6562438d3.exe	31
PID 2356 wrote to memory of 2904	2356	JaffaCakes118_2ea863b6b81bb910cacf7ad6562438d3.exe	31
PID 2356 wrote to memory of 2904	2356	JaffaCakes118_2ea863b6b81bb910cacf7ad6562438d3.exe	31
PID 2356 wrote to memory of 2800	2356	JaffaCakes118_2ea863b6b81bb910cacf7ad6562438d3.exe	33
PID 2356 wrote to memory of 2800	2356	JaffaCakes118_2ea863b6b81bb910cacf7ad6562438d3.exe	33
PID 2356 wrote to memory of 2800	2356	JaffaCakes118_2ea863b6b81bb910cacf7ad6562438d3.exe	33
PID 2356 wrote to memory of 2800	2356	JaffaCakes118_2ea863b6b81bb910cacf7ad6562438d3.exe	33
PID 2356 wrote to memory of 2800	2356	JaffaCakes118_2ea863b6b81bb910cacf7ad6562438d3.exe	33
PID 2356 wrote to memory of 2800	2356	JaffaCakes118_2ea863b6b81bb910cacf7ad6562438d3.exe	33
PID 2356 wrote to memory of 2800	2356	JaffaCakes118_2ea863b6b81bb910cacf7ad6562438d3.exe	33
PID 2356 wrote to memory of 2800	2356	JaffaCakes118_2ea863b6b81bb910cacf7ad6562438d3.exe	33
PID 2356 wrote to memory of 2800	2356	JaffaCakes118_2ea863b6b81bb910cacf7ad6562438d3.exe	33
PID 2356 wrote to memory of 2800	2356	JaffaCakes118_2ea863b6b81bb910cacf7ad6562438d3.exe	33
PID 2800 wrote to memory of 2884	2800	RegSvcs.exe	34
PID 2800 wrote to memory of 2884	2800	RegSvcs.exe	34
PID 2800 wrote to memory of 2884	2800	RegSvcs.exe	34
PID 2800 wrote to memory of 2884	2800	RegSvcs.exe	34

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2ea863b6b81bb910cacf7ad6562438d3.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2ea863b6b81bb910cacf7ad6562438d3.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2356
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eGWSVRxsBoYDt" /XML "C:\Users\Admin\AppData\Local\Temp\tmp26E2.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2904
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2800
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2800 -s 36
    3⤵
    - Program crash
    PID:2884

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

memory/2356-0-0x00000000748BE000-0x00000000748BF000-memory.dmp

Filesize
4KB

Download
memory/2356-1-0x0000000000B40000-0x0000000000BC6000-memory.dmp

Filesize
536KB

Download
memory/2356-2-0x00000000748B0000-0x0000000074F9E000-memory.dmp

Filesize
6.9MB

Download
memory/2356-3-0x0000000000510000-0x000000000051E000-memory.dmp

Filesize
56KB

Download
memory/2356-4-0x00000000748BE000-0x00000000748BF000-memory.dmp

Filesize
4KB

Download
memory/2356-5-0x00000000748B0000-0x0000000074F9E000-memory.dmp

Filesize
6.9MB

Download
memory/2356-6-0x0000000004750000-0x00000000047A8000-memory.dmp

Filesize
352KB

Download
memory/2356-18-0x00000000748B0000-0x0000000074F9E000-memory.dmp

Filesize
6.9MB

Download
memory/2800-12-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2800-17-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2800-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2800-14-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads