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
behavioral1/memory/2572-13-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 880 set thread context of 2572	880	178320c786ffb920bc58344b39d3e8dac40205318a1aaf2346c5cb7a685087c2.exe	30

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 3 IoCs

pid	Process
880	178320c786ffb920bc58344b39d3e8dac40205318a1aaf2346c5cb7a685087c2.exe
880	178320c786ffb920bc58344b39d3e8dac40205318a1aaf2346c5cb7a685087c2.exe
2572	178320c786ffb920bc58344b39d3e8dac40205318a1aaf2346c5cb7a685087c2.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	880	178320c786ffb920bc58344b39d3e8dac40205318a1aaf2346c5cb7a685087c2.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 880 wrote to memory of 2572	880	178320c786ffb920bc58344b39d3e8dac40205318a1aaf2346c5cb7a685087c2.exe	30
PID 880 wrote to memory of 2572	880	178320c786ffb920bc58344b39d3e8dac40205318a1aaf2346c5cb7a685087c2.exe	30
PID 880 wrote to memory of 2572	880	178320c786ffb920bc58344b39d3e8dac40205318a1aaf2346c5cb7a685087c2.exe	30
PID 880 wrote to memory of 2572	880	178320c786ffb920bc58344b39d3e8dac40205318a1aaf2346c5cb7a685087c2.exe	30
PID 880 wrote to memory of 2572	880	178320c786ffb920bc58344b39d3e8dac40205318a1aaf2346c5cb7a685087c2.exe	30
PID 880 wrote to memory of 2572	880	178320c786ffb920bc58344b39d3e8dac40205318a1aaf2346c5cb7a685087c2.exe	30
PID 880 wrote to memory of 2572	880	178320c786ffb920bc58344b39d3e8dac40205318a1aaf2346c5cb7a685087c2.exe	30

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:880
- C:\Users\Admin\AppData\Local\Temp\178320c786ffb920bc58344b39d3e8dac40205318a1aaf2346c5cb7a685087c2.exe
  "C:\Users\Admin\AppData\Local\Temp\178320c786ffb920bc58344b39d3e8dac40205318a1aaf2346c5cb7a685087c2.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2572

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/880-6-0x0000000004640000-0x000000000469A000-memory.dmp

Filesize
360KB

Download
memory/880-1-0x0000000000F50000-0x0000000000FE4000-memory.dmp

Filesize
592KB

Download
memory/880-2-0x00000000746E0000-0x0000000074DCE000-memory.dmp

Filesize
6.9MB

Download
memory/880-3-0x00000000005F0000-0x0000000000602000-memory.dmp

Filesize
72KB

Download
memory/880-4-0x00000000746EE000-0x00000000746EF000-memory.dmp

Filesize
4KB

Download
memory/880-5-0x00000000746E0000-0x0000000074DCE000-memory.dmp

Filesize
6.9MB

Download
memory/880-0-0x00000000746EE000-0x00000000746EF000-memory.dmp

Filesize
4KB

Download
memory/880-14-0x00000000746E0000-0x0000000074DCE000-memory.dmp

Filesize
6.9MB

Download
memory/2572-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2572-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2572-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2572-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2572-15-0x0000000000840000-0x0000000000B43000-memory.dmp

Filesize
3.0MB

Download

Analysis

Sharing