formbook | 3c002d7d7bfb83b56c94765d3f1cd9182993dabe4442e8f506fbe76334a01995

General

Target

JaffaCakes118_9eeccc9b585e1ffdf53b20b3d4f4505d.exe
Size

519KB
MD5

9eeccc9b585e1ffdf53b20b3d4f4505d
SHA1

22c8124ad3ad4f39eba59ceae42a1f056b6f7279
SHA256

3c002d7d7bfb83b56c94765d3f1cd9182993dabe4442e8f506fbe76334a01995
SHA512

b19405394b04161ae616f068390df72b11fafd71c03626a081f10c72e77dba158a20baf247c481d34702e72f9b4eedd763e9e7506969ce28289219ff494ba38a
SSDEEP

6144:2i5IN9bX6qUhFFGzaX/yuWUJeLC5MiTMXp6LNXlTEGtxhezzK3iU8dEHm:2i5ID6qUbFhyAXocLNNVtuXEHm

Score

10^/10

formbook s6tn discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

s6tn

Decoy

ya-volna.com

nakimura.online

buildtheyamato.com

carecard.xyz

orthozayn.com

sitd.xyz

garu.club

alfainfocom.com

floridalacrossecamps.com

banytus.xyz

dogodipiskot.quest

ljlsaf.com

shaheenricemills.com

cuevieujni.info

chrisandkcollection.com

sunadokei.website

hoidotsbirky.quest

creditassociatesllc.com

amazonhrjobs.com

the-luggage-dropp-off.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/2272-43-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Newapp.exe	PowerShell.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Newapp.exe	PowerShell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2792 set thread context of 2272	2792	JaffaCakes118_9eeccc9b585e1ffdf53b20b3d4f4505d.exe	33

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_9eeccc9b585e1ffdf53b20b3d4f4505d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PowerShell.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2728	PowerShell.exe
2272	JaffaCakes118_9eeccc9b585e1ffdf53b20b3d4f4505d.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2728	PowerShell.exe
Token: SeDebugPrivilege	2792	JaffaCakes118_9eeccc9b585e1ffdf53b20b3d4f4505d.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2792 wrote to memory of 2728	2792	JaffaCakes118_9eeccc9b585e1ffdf53b20b3d4f4505d.exe	31
PID 2792 wrote to memory of 2728	2792	JaffaCakes118_9eeccc9b585e1ffdf53b20b3d4f4505d.exe	31
PID 2792 wrote to memory of 2728	2792	JaffaCakes118_9eeccc9b585e1ffdf53b20b3d4f4505d.exe	31
PID 2792 wrote to memory of 2728	2792	JaffaCakes118_9eeccc9b585e1ffdf53b20b3d4f4505d.exe	31
PID 2792 wrote to memory of 2272	2792	JaffaCakes118_9eeccc9b585e1ffdf53b20b3d4f4505d.exe	33
PID 2792 wrote to memory of 2272	2792	JaffaCakes118_9eeccc9b585e1ffdf53b20b3d4f4505d.exe	33
PID 2792 wrote to memory of 2272	2792	JaffaCakes118_9eeccc9b585e1ffdf53b20b3d4f4505d.exe	33
PID 2792 wrote to memory of 2272	2792	JaffaCakes118_9eeccc9b585e1ffdf53b20b3d4f4505d.exe	33
PID 2792 wrote to memory of 2272	2792	JaffaCakes118_9eeccc9b585e1ffdf53b20b3d4f4505d.exe	33
PID 2792 wrote to memory of 2272	2792	JaffaCakes118_9eeccc9b585e1ffdf53b20b3d4f4505d.exe	33
PID 2792 wrote to memory of 2272	2792	JaffaCakes118_9eeccc9b585e1ffdf53b20b3d4f4505d.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9eeccc9b585e1ffdf53b20b3d4f4505d.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9eeccc9b585e1ffdf53b20b3d4f4505d.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2792
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\PowerShell.exe
  "PowerShell" copy-item 'C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9eeccc9b585e1ffdf53b20b3d4f4505d.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Newapp.exe'
  2⤵
  - Drops startup file
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2728
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9eeccc9b585e1ffdf53b20b3d4f4505d.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9eeccc9b585e1ffdf53b20b3d4f4505d.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2272

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2272-43-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2272-44-0x0000000000A50000-0x0000000000D53000-memory.dmp

Filesize
3.0MB

Download
memory/2272-39-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2272-40-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2272-41-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2728-4-0x0000000070361000-0x0000000070362000-memory.dmp

Filesize
4KB

Download
memory/2728-5-0x0000000070360000-0x000000007090B000-memory.dmp

Filesize
5.7MB

Download
memory/2728-6-0x0000000070360000-0x000000007090B000-memory.dmp

Filesize
5.7MB

Download
memory/2728-8-0x0000000070360000-0x000000007090B000-memory.dmp

Filesize
5.7MB

Download
memory/2728-7-0x0000000070360000-0x000000007090B000-memory.dmp

Filesize
5.7MB

Download
memory/2728-10-0x0000000070360000-0x000000007090B000-memory.dmp

Filesize
5.7MB

Download
memory/2792-36-0x0000000000250000-0x0000000000265000-memory.dmp

Filesize
84KB

Download
memory/2792-24-0x0000000000250000-0x0000000000265000-memory.dmp

Filesize
84KB

Download
memory/2792-37-0x00000000051F0000-0x0000000005230000-memory.dmp

Filesize
256KB

Download
memory/2792-0-0x00000000749CE000-0x00000000749CF000-memory.dmp

Filesize
4KB

Download
memory/2792-34-0x0000000000250000-0x0000000000265000-memory.dmp

Filesize
84KB

Download
memory/2792-32-0x0000000000250000-0x0000000000265000-memory.dmp

Filesize
84KB

Download
memory/2792-30-0x0000000000250000-0x0000000000265000-memory.dmp

Filesize
84KB

Download
memory/2792-28-0x0000000000250000-0x0000000000265000-memory.dmp

Filesize
84KB

Download
memory/2792-26-0x0000000000250000-0x0000000000265000-memory.dmp

Filesize
84KB

Download
memory/2792-38-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2792-20-0x0000000000250000-0x0000000000265000-memory.dmp

Filesize
84KB

Download
memory/2792-18-0x0000000000250000-0x0000000000265000-memory.dmp

Filesize
84KB

Download
memory/2792-16-0x0000000000250000-0x0000000000265000-memory.dmp

Filesize
84KB

Download
memory/2792-14-0x0000000000250000-0x0000000000265000-memory.dmp

Filesize
84KB

Download
memory/2792-22-0x0000000000250000-0x0000000000265000-memory.dmp

Filesize
84KB

Download
memory/2792-13-0x0000000000250000-0x0000000000265000-memory.dmp

Filesize
84KB

Download
memory/2792-12-0x0000000000250000-0x000000000026C000-memory.dmp

Filesize
112KB

Download
memory/2792-11-0x00000000749CE000-0x00000000749CF000-memory.dmp

Filesize
4KB

Download
memory/2792-1-0x00000000009C0000-0x0000000000A48000-memory.dmp

Filesize
544KB

Download

Analysis

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