formbook | 77bcfbe04a67efa2509be0cad9ce5754bf6d5a2dd88be56d69d6247de27ed83e

General

Target

178320c786ffb920bc58344b39d3e8dac40205318a1aaf2346c5cb7a685087c2.exe
Size

570KB
MD5

54d9f0e4c1533561e41ed403ae5858ff
SHA1

70d0596510c2e5e12f344c06af4ec8d853dbc0cb
SHA256

178320c786ffb920bc58344b39d3e8dac40205318a1aaf2346c5cb7a685087c2
SHA512

eb0505271a6797f7be93134e2dde16c38a8ce7012962ea632ed30fbef06ab203645804374b9cf5335bffb1cffeefbde74f4f1ade10305f5c35424e749c83a63f
SSDEEP

12288:Dyocc0WttZP51W0+iEQJbJ0seQm0qXiZM5XNoIxE:Dyrc0Wtl11fZeNzXkENoI

Score

10^/10

formbook useb discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

useb

Decoy

houseofbooksae.net

ipjfeugo.xyz

sandiegowavefc.store

kamerynemehiel.com

herbalhealthalert.com

nfmedco.com

dorhop.com

bookingscenter.com

blaclyteproductions.com

novatel-network.com

locomotionprogramming.com

dotchocolatebars.com

rohanyat.online

a2detail.com

cotedazurpropertyforsale.com

space-vantage.space

averysanswers.com

lionheartimagery.com

nozincwadi.com

lovemyduck.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
behavioral2/memory/1076-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3472 set thread context of 1076	3472	178320c786ffb920bc58344b39d3e8dac40205318a1aaf2346c5cb7a685087c2.exe	99

System Location Discovery: System Language Discovery 1 TTPs 1 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	178320c786ffb920bc58344b39d3e8dac40205318a1aaf2346c5cb7a685087c2.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3472	178320c786ffb920bc58344b39d3e8dac40205318a1aaf2346c5cb7a685087c2.exe
3472	178320c786ffb920bc58344b39d3e8dac40205318a1aaf2346c5cb7a685087c2.exe
3472	178320c786ffb920bc58344b39d3e8dac40205318a1aaf2346c5cb7a685087c2.exe
3472	178320c786ffb920bc58344b39d3e8dac40205318a1aaf2346c5cb7a685087c2.exe
1076	178320c786ffb920bc58344b39d3e8dac40205318a1aaf2346c5cb7a685087c2.exe
1076	178320c786ffb920bc58344b39d3e8dac40205318a1aaf2346c5cb7a685087c2.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3472	178320c786ffb920bc58344b39d3e8dac40205318a1aaf2346c5cb7a685087c2.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3472 wrote to memory of 2388	3472	178320c786ffb920bc58344b39d3e8dac40205318a1aaf2346c5cb7a685087c2.exe	98
PID 3472 wrote to memory of 2388	3472	178320c786ffb920bc58344b39d3e8dac40205318a1aaf2346c5cb7a685087c2.exe	98
PID 3472 wrote to memory of 2388	3472	178320c786ffb920bc58344b39d3e8dac40205318a1aaf2346c5cb7a685087c2.exe	98
PID 3472 wrote to memory of 1076	3472	178320c786ffb920bc58344b39d3e8dac40205318a1aaf2346c5cb7a685087c2.exe	99
PID 3472 wrote to memory of 1076	3472	178320c786ffb920bc58344b39d3e8dac40205318a1aaf2346c5cb7a685087c2.exe	99
PID 3472 wrote to memory of 1076	3472	178320c786ffb920bc58344b39d3e8dac40205318a1aaf2346c5cb7a685087c2.exe	99
PID 3472 wrote to memory of 1076	3472	178320c786ffb920bc58344b39d3e8dac40205318a1aaf2346c5cb7a685087c2.exe	99
PID 3472 wrote to memory of 1076	3472	178320c786ffb920bc58344b39d3e8dac40205318a1aaf2346c5cb7a685087c2.exe	99
PID 3472 wrote to memory of 1076	3472	178320c786ffb920bc58344b39d3e8dac40205318a1aaf2346c5cb7a685087c2.exe	99

C:\Users\Admin\AppData\Local\Temp\178320c786ffb920bc58344b39d3e8dac40205318a1aaf2346c5cb7a685087c2.exe
"C:\Users\Admin\AppData\Local\Temp\178320c786ffb920bc58344b39d3e8dac40205318a1aaf2346c5cb7a685087c2.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3472
- C:\Users\Admin\AppData\Local\Temp\178320c786ffb920bc58344b39d3e8dac40205318a1aaf2346c5cb7a685087c2.exe
  "C:\Users\Admin\AppData\Local\Temp\178320c786ffb920bc58344b39d3e8dac40205318a1aaf2346c5cb7a685087c2.exe"
  2⤵
  PID:2388
- C:\Users\Admin\AppData\Local\Temp\178320c786ffb920bc58344b39d3e8dac40205318a1aaf2346c5cb7a685087c2.exe
  "C:\Users\Admin\AppData\Local\Temp\178320c786ffb920bc58344b39d3e8dac40205318a1aaf2346c5cb7a685087c2.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1076

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/1076-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1076-14-0x00000000010D0000-0x000000000141A000-memory.dmp

Filesize
3.3MB

Download
memory/3472-6-0x0000000007610000-0x00000000076AC000-memory.dmp

Filesize
624KB

Download
memory/3472-3-0x0000000005610000-0x00000000056A2000-memory.dmp

Filesize
584KB

Download
memory/3472-4-0x00000000056B0000-0x00000000056BA000-memory.dmp

Filesize
40KB

Download
memory/3472-5-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/3472-0-0x00000000747DE000-0x00000000747DF000-memory.dmp

Filesize
4KB

Download
memory/3472-7-0x00000000058E0000-0x00000000058F2000-memory.dmp

Filesize
72KB

Download
memory/3472-8-0x00000000747DE000-0x00000000747DF000-memory.dmp

Filesize
4KB

Download
memory/3472-9-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/3472-10-0x0000000007A30000-0x0000000007A8A000-memory.dmp

Filesize
360KB

Download
memory/3472-2-0x0000000005B20000-0x00000000060C4000-memory.dmp

Filesize
5.6MB

Download
memory/3472-13-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/3472-1-0x0000000000CA0000-0x0000000000D34000-memory.dmp

Filesize
592KB

Download

Analysis

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