formbook | 6f898006f76992ff78c22aaf03ab2c1ed3ae9d5a175612f3e0033d35af1d99cc

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-12-2024 19:07

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General

Target

a0b19468a7896874e57b014b28e8d3abd1707e2b52a8ef1bf516d4c1a76a7b42.exe
Size

868KB
MD5

f69ca46a59bc720a3edf4a1c3698418d
SHA1

f0e01c9a9ca63d1b1d507be06bc9aa2c044db500
SHA256

a0b19468a7896874e57b014b28e8d3abd1707e2b52a8ef1bf516d4c1a76a7b42
SHA512

835691dd5cf84e272384d5203b89e18c56f6509e74cb9fc60a4530e8fa27e292c76b91703b75940d1a4df4900e14dca376f494ebbb3ce92f8ee6f24b2de159d6
SSDEEP

12288:exTd+lc9ogYATuMFct1sPdqrQ8IvPHMvUok5pPzoADqjJ5n:Y6ccXhQnPH4k5pejr

Score

10^/10

formbook gski discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

gski

Decoy

w4dqmeRbroucK1d6Rjoieflr

4aOmGT8hdudzUsv7ZSwieflr

3sTC4jMnhzX+pOJNTZ4=

JcH9cI2V8BEeA0eA

doY0NLSYANTXiHt9/fbsP706cA==

KhN1zCT4Nb5T//UnNQ==

y4/RV2RRqNEr0c4nzNWP

x8sfUpcmiXqxdfls0dSN

rlygM3RQmQ7DliRSBQUKpWJ/FuU=

s672RU9HtT3XWaTvdEidsoLRjZb5J5oE

uaT/Znv3O9WfXs8GBluj2Z2szeMP

QvElhI8JUPHBlRsjsodB5GmUzO0W

2uM5rt7BEpcswwJhDA8JnA8=

TDFfhORfvuRP//UnNQ==

MtPNDl4mh1dSxgZs0dSN

ejpoOLXE/Wa7zMwppl3JOt8faA==

8qPraI3lOFSrRmCSR4EnHQc=

+LOpAwtx0LfGnOJNTZ4=

wMQehpwddDxHII+rVCwieflr

8KPhZrjGG//aix1s0dSN

Signatures

Contains code to disable Windows Defender 1 IoCs

A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

resource	yara_rule
behavioral2/memory/3480-18-0x0000000001950000-0x0000000001C9A000-memory.dmp	disable_win_def

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2016 set thread context of 3480	2016	a0b19468a7896874e57b014b28e8d3abd1707e2b52a8ef1bf516d4c1a76a7b42.exe	86

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	a0b19468a7896874e57b014b28e8d3abd1707e2b52a8ef1bf516d4c1a76a7b42.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3480	a0b19468a7896874e57b014b28e8d3abd1707e2b52a8ef1bf516d4c1a76a7b42.exe
3480	a0b19468a7896874e57b014b28e8d3abd1707e2b52a8ef1bf516d4c1a76a7b42.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2016 wrote to memory of 3480	2016	a0b19468a7896874e57b014b28e8d3abd1707e2b52a8ef1bf516d4c1a76a7b42.exe	86
PID 2016 wrote to memory of 3480	2016	a0b19468a7896874e57b014b28e8d3abd1707e2b52a8ef1bf516d4c1a76a7b42.exe	86
PID 2016 wrote to memory of 3480	2016	a0b19468a7896874e57b014b28e8d3abd1707e2b52a8ef1bf516d4c1a76a7b42.exe	86
PID 2016 wrote to memory of 3480	2016	a0b19468a7896874e57b014b28e8d3abd1707e2b52a8ef1bf516d4c1a76a7b42.exe	86
PID 2016 wrote to memory of 3480	2016	a0b19468a7896874e57b014b28e8d3abd1707e2b52a8ef1bf516d4c1a76a7b42.exe	86
PID 2016 wrote to memory of 3480	2016	a0b19468a7896874e57b014b28e8d3abd1707e2b52a8ef1bf516d4c1a76a7b42.exe	86

C:\Users\Admin\AppData\Local\Temp\a0b19468a7896874e57b014b28e8d3abd1707e2b52a8ef1bf516d4c1a76a7b42.exe
"C:\Users\Admin\AppData\Local\Temp\a0b19468a7896874e57b014b28e8d3abd1707e2b52a8ef1bf516d4c1a76a7b42.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2016
- C:\Users\Admin\AppData\Local\Temp\a0b19468a7896874e57b014b28e8d3abd1707e2b52a8ef1bf516d4c1a76a7b42.exe
  "{path}"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3480

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/2016-8-0x00000000746CE000-0x00000000746CF000-memory.dmp

Filesize
4KB

Download
memory/2016-4-0x00000000050B0000-0x000000000514C000-memory.dmp

Filesize
624KB

Download
memory/2016-0-0x00000000746CE000-0x00000000746CF000-memory.dmp

Filesize
4KB

Download
memory/2016-3-0x0000000005010000-0x00000000050A2000-memory.dmp

Filesize
584KB

Download
memory/2016-9-0x00000000746C0000-0x0000000074E70000-memory.dmp

Filesize
7.7MB

Download
memory/2016-5-0x00000000746C0000-0x0000000074E70000-memory.dmp

Filesize
7.7MB

Download
memory/2016-6-0x0000000004F80000-0x0000000004F8A000-memory.dmp

Filesize
40KB

Download
memory/2016-10-0x00000000064B0000-0x000000000653C000-memory.dmp

Filesize
560KB

Download
memory/2016-2-0x00000000055C0000-0x0000000005B64000-memory.dmp

Filesize
5.6MB

Download
memory/2016-1-0x00000000004C0000-0x00000000005A0000-memory.dmp

Filesize
896KB

Download
memory/2016-7-0x0000000006270000-0x0000000006290000-memory.dmp

Filesize
128KB

Download
memory/2016-11-0x0000000006580000-0x00000000065B4000-memory.dmp

Filesize
208KB

Download
memory/2016-16-0x00000000746C0000-0x0000000074E70000-memory.dmp

Filesize
7.7MB

Download
memory/3480-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3480-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3480-17-0x0000000001950000-0x0000000001C9A000-memory.dmp

Filesize
3.3MB

Download
memory/3480-18-0x0000000001950000-0x0000000001C9A000-memory.dmp

Filesize
3.3MB

Download