formbook | 984ad48db84dccbf4d978f50b0cad2c0f2eb4a256cc5f3b470facf3e411283ae

General

Target

823e170624508c0f8ae864ee2cdc7e8f_JaffaCakes118.exe
Size

1.1MB
MD5

823e170624508c0f8ae864ee2cdc7e8f
SHA1

d651853b3a483b4338405f0347ec1c8ddee27f43
SHA256

984ad48db84dccbf4d978f50b0cad2c0f2eb4a256cc5f3b470facf3e411283ae
SHA512

6d0d7650a47b2cc610267278d5ad5507776189c21220c44330333a8da8aab1a9302e7d2c29315c715356a266621916bd23a7cfd8682c175f18371f2b7ed3de09
SSDEEP

12288:JIn7d2iNND81lhaIAjbJOm4gutFgaawmNa4wpWHx75uMLG+tsQEOgu5:K1P81ra/3JOmTGlhmNa4y+tU

Score

10^/10

formbook o4ms discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

o4ms

Decoy

fishingboatpub.com

trebor72.com

qualitycleanaustralia.com

amphilykenyx.com

jayte90.net

alveegrace.com

le-fleursoleil.com

volumoffer.com

businessbookwriters.com

alpin-art.com

firsttastetogo.com

catofc.com

ref-290.com

sbo2008.com

fortlauderdaleelevators.com

shanghaiyalian.com

majestybags.com

afcerd.com

myceliated.com

ls0a.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

Processes:

resource	yara_rule
behavioral2/memory/4680-18-0x0000000000400000-0x000000000042E000-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

Processes:

823e170624508c0f8ae864ee2cdc7e8f_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	823e170624508c0f8ae864ee2cdc7e8f_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

823e170624508c0f8ae864ee2cdc7e8f_JaffaCakes118.exe

description	pid	Process	procid_target
PID 5008 set thread context of 4680	5008	823e170624508c0f8ae864ee2cdc7e8f_JaffaCakes118.exe	104

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

Processes:

823e170624508c0f8ae864ee2cdc7e8f_JaffaCakes118.exeschtasks.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	823e170624508c0f8ae864ee2cdc7e8f_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

Processes:

schtasks.exe

pid	Process
1360	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

823e170624508c0f8ae864ee2cdc7e8f_JaffaCakes118.exe

pid	Process
4680	823e170624508c0f8ae864ee2cdc7e8f_JaffaCakes118.exe
4680	823e170624508c0f8ae864ee2cdc7e8f_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

823e170624508c0f8ae864ee2cdc7e8f_JaffaCakes118.exe

description	pid	Process	procid_target
PID 5008 wrote to memory of 1360	5008	823e170624508c0f8ae864ee2cdc7e8f_JaffaCakes118.exe	102
PID 5008 wrote to memory of 1360	5008	823e170624508c0f8ae864ee2cdc7e8f_JaffaCakes118.exe	102
PID 5008 wrote to memory of 1360	5008	823e170624508c0f8ae864ee2cdc7e8f_JaffaCakes118.exe	102
PID 5008 wrote to memory of 4680	5008	823e170624508c0f8ae864ee2cdc7e8f_JaffaCakes118.exe	104
PID 5008 wrote to memory of 4680	5008	823e170624508c0f8ae864ee2cdc7e8f_JaffaCakes118.exe	104
PID 5008 wrote to memory of 4680	5008	823e170624508c0f8ae864ee2cdc7e8f_JaffaCakes118.exe	104
PID 5008 wrote to memory of 4680	5008	823e170624508c0f8ae864ee2cdc7e8f_JaffaCakes118.exe	104
PID 5008 wrote to memory of 4680	5008	823e170624508c0f8ae864ee2cdc7e8f_JaffaCakes118.exe	104
PID 5008 wrote to memory of 4680	5008	823e170624508c0f8ae864ee2cdc7e8f_JaffaCakes118.exe	104

C:\Users\Admin\AppData\Local\Temp\823e170624508c0f8ae864ee2cdc7e8f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\823e170624508c0f8ae864ee2cdc7e8f_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5008
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yRLRgdltZo" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9B31.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1360
- C:\Users\Admin\AppData\Local\Temp\823e170624508c0f8ae864ee2cdc7e8f_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\823e170624508c0f8ae864ee2cdc7e8f_JaffaCakes118.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4680

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\tmp9B31.tmp

Filesize
1KB

MD5
d6c5625c1223fe2321b66ae6fdd443be

SHA1
f0e6bf15bb4d3b3db0e84dc14d6f787ff29e00e1

SHA256
e73a6938b4d230e8df5500a91b9c06cd646b71221bb51baa86f3d956860121f6

SHA512
8dfb960aa68f16cc1e0a3c2b0c5a1048bbea62378eee4021b4ec716b1e5e81ac1a082fc1302b56211a9696d0b482b06d356e22f773e28c58dce10d07fe16da09

Download Submit
memory/4680-22-0x0000000001900000-0x0000000001C4A000-memory.dmp

Filesize
3.3MB

Download
memory/4680-21-0x0000000001900000-0x0000000001C4A000-memory.dmp

Filesize
3.3MB

Download
memory/4680-18-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/5008-8-0x0000000004770000-0x000000000478E000-memory.dmp

Filesize
120KB

Download
memory/5008-11-0x00000000079E0000-0x0000000007A84000-memory.dmp

Filesize
656KB

Download
memory/5008-6-0x0000000074660000-0x0000000074E10000-memory.dmp

Filesize
7.7MB

Download
memory/5008-7-0x0000000005090000-0x00000000050E6000-memory.dmp

Filesize
344KB

Download
memory/5008-0-0x000000007466E000-0x000000007466F000-memory.dmp

Filesize
4KB

Download
memory/5008-9-0x000000007466E000-0x000000007466F000-memory.dmp

Filesize
4KB

Download
memory/5008-10-0x0000000074660000-0x0000000074E10000-memory.dmp

Filesize
7.7MB

Download
memory/5008-5-0x0000000004E00000-0x0000000004E0A000-memory.dmp

Filesize
40KB

Download
memory/5008-12-0x00000000064F0000-0x0000000006524000-memory.dmp

Filesize
208KB

Download
memory/5008-4-0x0000000004E40000-0x0000000004ED2000-memory.dmp

Filesize
584KB

Download
memory/5008-3-0x0000000005350000-0x00000000058F4000-memory.dmp

Filesize
5.6MB

Download
memory/5008-20-0x0000000074660000-0x0000000074E10000-memory.dmp

Filesize
7.7MB

Download
memory/5008-2-0x0000000004CF0000-0x0000000004D8C000-memory.dmp

Filesize
624KB

Download
memory/5008-1-0x0000000000280000-0x0000000000396000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads