formbook | ffd00dd8cf8920277ee6532aeb7f2321c3c798f5e2987c9dae8bcf6e3cc3a0b2

General

Target

3c002d7d7bfb83b56c94765d3f1cd9182993dabe4442e8f506fbe76334a01995.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 payload 2 IoCs

rat

resource	yara_rule
behavioral1/memory/3036-43-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/3036-45-0x00000000008C0000-0x0000000000BC3000-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 2124 set thread context of 3036	2124	3c002d7d7bfb83b56c94765d3f1cd9182993dabe4442e8f506fbe76334a01995.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	3c002d7d7bfb83b56c94765d3f1cd9182993dabe4442e8f506fbe76334a01995.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PowerShell.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1492	PowerShell.exe
3036	3c002d7d7bfb83b56c94765d3f1cd9182993dabe4442e8f506fbe76334a01995.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1492	PowerShell.exe
Token: SeDebugPrivilege	2124	3c002d7d7bfb83b56c94765d3f1cd9182993dabe4442e8f506fbe76334a01995.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 1492	2124	3c002d7d7bfb83b56c94765d3f1cd9182993dabe4442e8f506fbe76334a01995.exe	30
PID 2124 wrote to memory of 1492	2124	3c002d7d7bfb83b56c94765d3f1cd9182993dabe4442e8f506fbe76334a01995.exe	30
PID 2124 wrote to memory of 1492	2124	3c002d7d7bfb83b56c94765d3f1cd9182993dabe4442e8f506fbe76334a01995.exe	30
PID 2124 wrote to memory of 1492	2124	3c002d7d7bfb83b56c94765d3f1cd9182993dabe4442e8f506fbe76334a01995.exe	30
PID 2124 wrote to memory of 3036	2124	3c002d7d7bfb83b56c94765d3f1cd9182993dabe4442e8f506fbe76334a01995.exe	33
PID 2124 wrote to memory of 3036	2124	3c002d7d7bfb83b56c94765d3f1cd9182993dabe4442e8f506fbe76334a01995.exe	33
PID 2124 wrote to memory of 3036	2124	3c002d7d7bfb83b56c94765d3f1cd9182993dabe4442e8f506fbe76334a01995.exe	33
PID 2124 wrote to memory of 3036	2124	3c002d7d7bfb83b56c94765d3f1cd9182993dabe4442e8f506fbe76334a01995.exe	33
PID 2124 wrote to memory of 3036	2124	3c002d7d7bfb83b56c94765d3f1cd9182993dabe4442e8f506fbe76334a01995.exe	33
PID 2124 wrote to memory of 3036	2124	3c002d7d7bfb83b56c94765d3f1cd9182993dabe4442e8f506fbe76334a01995.exe	33
PID 2124 wrote to memory of 3036	2124	3c002d7d7bfb83b56c94765d3f1cd9182993dabe4442e8f506fbe76334a01995.exe	33

C:\Users\Admin\AppData\Local\Temp\3c002d7d7bfb83b56c94765d3f1cd9182993dabe4442e8f506fbe76334a01995.exe
"C:\Users\Admin\AppData\Local\Temp\3c002d7d7bfb83b56c94765d3f1cd9182993dabe4442e8f506fbe76334a01995.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2124
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\PowerShell.exe
  "PowerShell" copy-item 'C:\Users\Admin\AppData\Local\Temp\3c002d7d7bfb83b56c94765d3f1cd9182993dabe4442e8f506fbe76334a01995.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:1492
- C:\Users\Admin\AppData\Local\Temp\3c002d7d7bfb83b56c94765d3f1cd9182993dabe4442e8f506fbe76334a01995.exe
  "C:\Users\Admin\AppData\Local\Temp\3c002d7d7bfb83b56c94765d3f1cd9182993dabe4442e8f506fbe76334a01995.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3036

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/1492-7-0x000000006FE90000-0x000000007043B000-memory.dmp

Filesize
5.7MB

Download
memory/1492-9-0x000000006FE90000-0x000000007043B000-memory.dmp

Filesize
5.7MB

Download
memory/1492-4-0x000000006FE91000-0x000000006FE92000-memory.dmp

Filesize
4KB

Download
memory/1492-5-0x000000006FE90000-0x000000007043B000-memory.dmp

Filesize
5.7MB

Download
memory/1492-6-0x000000006FE90000-0x000000007043B000-memory.dmp

Filesize
5.7MB

Download
memory/2124-25-0x0000000000480000-0x0000000000495000-memory.dmp

Filesize
84KB

Download
memory/2124-17-0x0000000000480000-0x0000000000495000-memory.dmp

Filesize
84KB

Download
memory/2124-10-0x00000000747AE000-0x00000000747AF000-memory.dmp

Filesize
4KB

Download
memory/2124-11-0x0000000000480000-0x000000000049C000-memory.dmp

Filesize
112KB

Download
memory/2124-23-0x0000000000480000-0x0000000000495000-memory.dmp

Filesize
84KB

Download
memory/2124-29-0x0000000000480000-0x0000000000495000-memory.dmp

Filesize
84KB

Download
memory/2124-35-0x0000000000480000-0x0000000000495000-memory.dmp

Filesize
84KB

Download
memory/2124-31-0x0000000000480000-0x0000000000495000-memory.dmp

Filesize
84KB

Download
memory/2124-27-0x0000000000480000-0x0000000000495000-memory.dmp

Filesize
84KB

Download
memory/2124-0-0x00000000747AE000-0x00000000747AF000-memory.dmp

Filesize
4KB

Download
memory/2124-21-0x0000000000480000-0x0000000000495000-memory.dmp

Filesize
84KB

Download
memory/2124-36-0x0000000005280000-0x00000000052C0000-memory.dmp

Filesize
256KB

Download
memory/2124-19-0x0000000000480000-0x0000000000495000-memory.dmp

Filesize
84KB

Download
memory/2124-1-0x0000000001320000-0x00000000013A8000-memory.dmp

Filesize
544KB

Download
memory/2124-15-0x0000000000480000-0x0000000000495000-memory.dmp

Filesize
84KB

Download
memory/2124-37-0x0000000000500000-0x0000000000501000-memory.dmp

Filesize
4KB

Download
memory/2124-13-0x0000000000480000-0x0000000000495000-memory.dmp

Filesize
84KB

Download
memory/2124-33-0x0000000000480000-0x0000000000495000-memory.dmp

Filesize
84KB

Download
memory/2124-12-0x0000000000480000-0x0000000000495000-memory.dmp

Filesize
84KB

Download
memory/3036-38-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3036-43-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3036-40-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3036-39-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3036-44-0x00000000008C0000-0x0000000000BC3000-memory.dmp

Filesize
3.0MB

Download
memory/3036-45-0x00000000008C0000-0x0000000000BC3000-memory.dmp

Filesize
3.0MB

Download

Analysis

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