formbook | 66ee67315e480d95d46e6d84096a64fcb99038b565e74afba831487f9d75461f

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05-09-2024 01:25

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General

Target

66ee67315e480d95d46e6d84096a64fcb99038b565e74afba831487f9d75461f.exe
Size

657KB
MD5

7dafccdeec7edd03008679c553a61b1d
SHA1

e5b325831d125d0e0fc0cd32d91b4dd98e37641e
SHA256

66ee67315e480d95d46e6d84096a64fcb99038b565e74afba831487f9d75461f
SHA512

45fe7624bbc15496f4ad823ce18da8bd836f03f282ec9b97dc03bea6700d89f70f86e033d2d27bbd914bd1282de5c7c2a48adede4e28861232eaa847ba9c268a
SSDEEP

12288:B0qJXJTVBM95G83u1U/td1uGw4A606fX+bbZ24FAJ79VvMqs:B5hI9Q8+1yvEGw4ApA+VFAJfk

Score

10^/10

formbook b31a discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

b31a

Decoy

enjamin-paaac.buzz

mail-marketing-40950.bond

pusems28-post.cyou

hindo.top

ruck-company-be.today

asinos-deutschland.net

ewancash.boats

etdopovo.casino

rcher-saaac.buzz

871166.vip

manuel.app

g3yqo.shop

-9way.xyz

qawgytfexe.bond

iefi6834.vip

ental-health-35901.bond

idat-merkez18.top

rojectleadzone.website

lirudolph.top

migloballlc.online

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral2/memory/3600-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3584 set thread context of 3600	3584	66ee67315e480d95d46e6d84096a64fcb99038b565e74afba831487f9d75461f.exe	94

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	66ee67315e480d95d46e6d84096a64fcb99038b565e74afba831487f9d75461f.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3584	66ee67315e480d95d46e6d84096a64fcb99038b565e74afba831487f9d75461f.exe
3584	66ee67315e480d95d46e6d84096a64fcb99038b565e74afba831487f9d75461f.exe
3600	66ee67315e480d95d46e6d84096a64fcb99038b565e74afba831487f9d75461f.exe
3600	66ee67315e480d95d46e6d84096a64fcb99038b565e74afba831487f9d75461f.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3584	66ee67315e480d95d46e6d84096a64fcb99038b565e74afba831487f9d75461f.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3584 wrote to memory of 3600	3584	66ee67315e480d95d46e6d84096a64fcb99038b565e74afba831487f9d75461f.exe	94
PID 3584 wrote to memory of 3600	3584	66ee67315e480d95d46e6d84096a64fcb99038b565e74afba831487f9d75461f.exe	94
PID 3584 wrote to memory of 3600	3584	66ee67315e480d95d46e6d84096a64fcb99038b565e74afba831487f9d75461f.exe	94
PID 3584 wrote to memory of 3600	3584	66ee67315e480d95d46e6d84096a64fcb99038b565e74afba831487f9d75461f.exe	94
PID 3584 wrote to memory of 3600	3584	66ee67315e480d95d46e6d84096a64fcb99038b565e74afba831487f9d75461f.exe	94
PID 3584 wrote to memory of 3600	3584	66ee67315e480d95d46e6d84096a64fcb99038b565e74afba831487f9d75461f.exe	94

C:\Users\Admin\AppData\Local\Temp\66ee67315e480d95d46e6d84096a64fcb99038b565e74afba831487f9d75461f.exe
"C:\Users\Admin\AppData\Local\Temp\66ee67315e480d95d46e6d84096a64fcb99038b565e74afba831487f9d75461f.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3584
- C:\Users\Admin\AppData\Local\Temp\66ee67315e480d95d46e6d84096a64fcb99038b565e74afba831487f9d75461f.exe
  "C:\Users\Admin\AppData\Local\Temp\66ee67315e480d95d46e6d84096a64fcb99038b565e74afba831487f9d75461f.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3600

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3584-6-0x0000000005830000-0x0000000005848000-memory.dmp

Filesize
96KB

Download
memory/3584-8-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/3584-2-0x0000000005850000-0x0000000005DF4000-memory.dmp

Filesize
5.6MB

Download
memory/3584-3-0x00000000052A0000-0x0000000005332000-memory.dmp

Filesize
584KB

Download
memory/3584-4-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/3584-5-0x0000000005260000-0x000000000526A000-memory.dmp

Filesize
40KB

Download
memory/3584-1-0x00000000007E0000-0x000000000088A000-memory.dmp

Filesize
680KB

Download
memory/3584-7-0x000000007464E000-0x000000007464F000-memory.dmp

Filesize
4KB

Download
memory/3584-0-0x000000007464E000-0x000000007464F000-memory.dmp

Filesize
4KB

Download
memory/3584-9-0x0000000006400000-0x0000000006476000-memory.dmp

Filesize
472KB

Download
memory/3584-10-0x00000000066C0000-0x000000000675C000-memory.dmp

Filesize
624KB

Download
memory/3584-13-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/3600-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3600-14-0x0000000000EE0000-0x000000000122A000-memory.dmp

Filesize
3.3MB

Download
memory/3600-15-0x0000000000EE0000-0x000000000122A000-memory.dmp

Filesize
3.3MB

Download