formbook | fa1836a4fb3ed7229baa120f142e09c911d657e52e648dcb7412d49bd5833c30

General

Target

635d7bfbe86119367a370eedabea2956_JaffaCakes118.exe
Size

761KB
MD5

635d7bfbe86119367a370eedabea2956
SHA1

c79e49a9c67d4bdbf3932c0d10230e1d14a28c25
SHA256

fa1836a4fb3ed7229baa120f142e09c911d657e52e648dcb7412d49bd5833c30
SHA512

4151ec961b9f49266d209b738b361dd2cb7c27cd61d7239e3958f59bea83b7465ee6a15b7159f4161783ec2f1e423ad8236603ab2ab958aca59ef45f4105dfb9
SSDEEP

12288:h/0K2iNeHK7z0wSgjU2bcfoLWn2jiW1fe3Cawu7rCbYtpHmlDEvjVxKEljwH:h/b1boabSn4Sg2R+EvjHj2

Score

10^/10

formbook vd9n discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

vd9n

Decoy

theunwrappedcollective.com

seckj-ic.com

tyresandover.com

thetrophyworld.com

fonggrconstruction.com

hopiproject.com

sktitle.com

charlotteobscurer.com

qjuhe.com

girlzglitter.com

createmylawn.com

hempcbgpill.com

zzdfdzkj.com

shreehariessential.com

226sm.com

getcupscall.com

neuralviolin.com

sanskaar.life

xn--fhqrm54yyukopc.com

togetherx4fantasy5star.today

Signatures

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

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral2/memory/4876-18-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/4876-23-0x0000000000400000-0x000000000042E000-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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	635d7bfbe86119367a370eedabea2956_JaffaCakes118.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2036 set thread context of 4876	2036	635d7bfbe86119367a370eedabea2956_JaffaCakes118.exe	98
PID 4876 set thread context of 3456	4876	RegSvcs.exe	56
PID 2556 set thread context of 3456	2556	cmmon32.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	cmmon32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	635d7bfbe86119367a370eedabea2956_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
2380	schtasks.exe

Suspicious behavior: EnumeratesProcesses 44 IoCs

pid	Process
4876	RegSvcs.exe
4876	RegSvcs.exe
4876	RegSvcs.exe
4876	RegSvcs.exe
2556	cmmon32.exe
2556	cmmon32.exe
2556	cmmon32.exe
2556	cmmon32.exe
2556	cmmon32.exe
2556	cmmon32.exe
2556	cmmon32.exe
2556	cmmon32.exe
2556	cmmon32.exe
2556	cmmon32.exe
2556	cmmon32.exe
2556	cmmon32.exe
2556	cmmon32.exe
2556	cmmon32.exe
2556	cmmon32.exe
2556	cmmon32.exe
2556	cmmon32.exe
2556	cmmon32.exe
2556	cmmon32.exe
2556	cmmon32.exe
2556	cmmon32.exe
2556	cmmon32.exe
2556	cmmon32.exe
2556	cmmon32.exe
2556	cmmon32.exe
2556	cmmon32.exe
2556	cmmon32.exe
2556	cmmon32.exe
2556	cmmon32.exe
2556	cmmon32.exe
2556	cmmon32.exe
2556	cmmon32.exe
2556	cmmon32.exe
2556	cmmon32.exe
2556	cmmon32.exe
2556	cmmon32.exe
2556	cmmon32.exe
2556	cmmon32.exe
2556	cmmon32.exe
2556	cmmon32.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
4876	RegSvcs.exe
4876	RegSvcs.exe
4876	RegSvcs.exe
2556	cmmon32.exe
2556	cmmon32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4876	RegSvcs.exe
Token: SeDebugPrivilege	2556	cmmon32.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3456	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2036 wrote to memory of 2380	2036	635d7bfbe86119367a370eedabea2956_JaffaCakes118.exe	96
PID 2036 wrote to memory of 2380	2036	635d7bfbe86119367a370eedabea2956_JaffaCakes118.exe	96
PID 2036 wrote to memory of 2380	2036	635d7bfbe86119367a370eedabea2956_JaffaCakes118.exe	96
PID 2036 wrote to memory of 4876	2036	635d7bfbe86119367a370eedabea2956_JaffaCakes118.exe	98
PID 2036 wrote to memory of 4876	2036	635d7bfbe86119367a370eedabea2956_JaffaCakes118.exe	98
PID 2036 wrote to memory of 4876	2036	635d7bfbe86119367a370eedabea2956_JaffaCakes118.exe	98
PID 2036 wrote to memory of 4876	2036	635d7bfbe86119367a370eedabea2956_JaffaCakes118.exe	98
PID 2036 wrote to memory of 4876	2036	635d7bfbe86119367a370eedabea2956_JaffaCakes118.exe	98
PID 2036 wrote to memory of 4876	2036	635d7bfbe86119367a370eedabea2956_JaffaCakes118.exe	98
PID 3456 wrote to memory of 2556	3456	Explorer.EXE	99
PID 3456 wrote to memory of 2556	3456	Explorer.EXE	99
PID 3456 wrote to memory of 2556	3456	Explorer.EXE	99
PID 2556 wrote to memory of 3624	2556	cmmon32.exe	100
PID 2556 wrote to memory of 3624	2556	cmmon32.exe	100
PID 2556 wrote to memory of 3624	2556	cmmon32.exe	100

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3456
- C:\Users\Admin\AppData\Local\Temp\635d7bfbe86119367a370eedabea2956_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\635d7bfbe86119367a370eedabea2956_JaffaCakes118.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2036
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\EFxUiPSYcuJIn" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6BE4.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2380
- - 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:4876
- C:\Windows\SysWOW64\cmmon32.exe
  "C:\Windows\SysWOW64\cmmon32.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:2556
- - 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:3624

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

C:\Users\Admin\AppData\Local\Temp\tmp6BE4.tmp

Filesize
1KB

MD5
05fade93aea1593c24a63344c1b5d160

SHA1
e127c5f1b3bf4c57b13071cf034e4e33d39adb4d

SHA256
65596aaf7d094b1d8dfaea8ca9971e609fd5e00139b86a925cbc4ff0508c787d

SHA512
02da33b84f6045df7634fd164c912347318e7133291129ee35576d73a2ae1625cbe9b307e6a8b91a0a06ae2adb954ce96c47e9ae707664d5228f523decb88f57

Download Submit
memory/2036-12-0x000000000A380000-0x000000000A3B4000-memory.dmp

Filesize
208KB

Download
memory/2036-6-0x0000000075350000-0x0000000075B00000-memory.dmp

Filesize
7.7MB

Download
memory/2036-1-0x0000000000030000-0x00000000000F4000-memory.dmp

Filesize
784KB

Download
memory/2036-4-0x0000000004B70000-0x0000000004C02000-memory.dmp

Filesize
584KB

Download
memory/2036-8-0x0000000007AB0000-0x0000000007AC6000-memory.dmp

Filesize
88KB

Download
memory/2036-5-0x0000000004B50000-0x0000000004B5A000-memory.dmp

Filesize
40KB

Download
memory/2036-7-0x0000000004DA0000-0x0000000004DF6000-memory.dmp

Filesize
344KB

Download
memory/2036-20-0x0000000075350000-0x0000000075B00000-memory.dmp

Filesize
7.7MB

Download
memory/2036-9-0x000000007535E000-0x000000007535F000-memory.dmp

Filesize
4KB

Download
memory/2036-10-0x0000000075350000-0x0000000075B00000-memory.dmp

Filesize
7.7MB

Download
memory/2036-11-0x0000000007C10000-0x0000000007CB4000-memory.dmp

Filesize
656KB

Download
memory/2036-0-0x000000007535E000-0x000000007535F000-memory.dmp

Filesize
4KB

Download
memory/2036-3-0x0000000005080000-0x0000000005624000-memory.dmp

Filesize
5.6MB

Download
memory/2036-2-0x0000000004A30000-0x0000000004ACC000-memory.dmp

Filesize
624KB

Download
memory/2556-27-0x0000000000B80000-0x0000000000B8C000-memory.dmp

Filesize
48KB

Download
memory/2556-26-0x0000000000B80000-0x0000000000B8C000-memory.dmp

Filesize
48KB

Download
memory/3456-25-0x0000000008370000-0x00000000084EB000-memory.dmp

Filesize
1.5MB

Download
memory/3456-28-0x0000000008370000-0x00000000084EB000-memory.dmp

Filesize
1.5MB

Download
memory/3456-32-0x00000000086B0000-0x0000000008828000-memory.dmp

Filesize
1.5MB

Download
memory/3456-33-0x00000000086B0000-0x0000000008828000-memory.dmp

Filesize
1.5MB

Download
memory/3456-35-0x00000000086B0000-0x0000000008828000-memory.dmp

Filesize
1.5MB

Download
memory/4876-18-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4876-21-0x0000000001680000-0x00000000019CA000-memory.dmp

Filesize
3.3MB

Download
memory/4876-24-0x0000000001420000-0x0000000001434000-memory.dmp

Filesize
80KB

Download
memory/4876-23-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads