formbook | df0674d98e3d0cc9287628569c2fd7c67f7675dfc378c0b7cbc7fe6843e7255b

Analysis

max time kernel
148s
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
25-12-2024 21:23

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General

Target

8c218c09f446a0db7b5de9bad9aadf285e81b04673a2db6769ccad09e1e6945b.exe
Size

392KB
MD5

abf477b0f1f223cc754772ea47bdaa44
SHA1

c58595a2b39e58436ed35f887e7b230f436967af
SHA256

8c218c09f446a0db7b5de9bad9aadf285e81b04673a2db6769ccad09e1e6945b
SHA512

2af086a54a6d3384ad1e6633bc525c8a6c74b07e2133d83ce0cb67eb80ccd73a2a65127e1f182ea935ef570b8bcc9420370153071d95f711a966b362748ffaef
SSDEEP

6144:Z9O8QFXPDBvcPvbOtnLa1JnTajynM1QqZVVJ+rssBEueQk:vPQncPaEWF1xZTYrWh

Score

10^/10

formbook ey5a discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ey5a

Decoy

lygptkl.com

winsentrade.com

bluprintliving.com

yumohealth.com

cherryadulttoys.com

gianttigar.com

maxhutmacher.net

autostokyocorp.com

calvaryload.com

stixxiepix.com

j98152.com

starsky666.xyz

loadkicks.com

designauraspace.com

wwwfmcna.com

mikakonaitopsychologist.com

kristalsuaritma.com

kh180.com

kulturel.net

araveenapark.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/4392-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4420 set thread context of 4392	4420	8c218c09f446a0db7b5de9bad9aadf285e81b04673a2db6769ccad09e1e6945b.exe	91

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	8c218c09f446a0db7b5de9bad9aadf285e81b04673a2db6769ccad09e1e6945b.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4392	8c218c09f446a0db7b5de9bad9aadf285e81b04673a2db6769ccad09e1e6945b.exe
4392	8c218c09f446a0db7b5de9bad9aadf285e81b04673a2db6769ccad09e1e6945b.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4420 wrote to memory of 4392	4420	8c218c09f446a0db7b5de9bad9aadf285e81b04673a2db6769ccad09e1e6945b.exe	91
PID 4420 wrote to memory of 4392	4420	8c218c09f446a0db7b5de9bad9aadf285e81b04673a2db6769ccad09e1e6945b.exe	91
PID 4420 wrote to memory of 4392	4420	8c218c09f446a0db7b5de9bad9aadf285e81b04673a2db6769ccad09e1e6945b.exe	91
PID 4420 wrote to memory of 4392	4420	8c218c09f446a0db7b5de9bad9aadf285e81b04673a2db6769ccad09e1e6945b.exe	91
PID 4420 wrote to memory of 4392	4420	8c218c09f446a0db7b5de9bad9aadf285e81b04673a2db6769ccad09e1e6945b.exe	91
PID 4420 wrote to memory of 4392	4420	8c218c09f446a0db7b5de9bad9aadf285e81b04673a2db6769ccad09e1e6945b.exe	91

C:\Users\Admin\AppData\Local\Temp\8c218c09f446a0db7b5de9bad9aadf285e81b04673a2db6769ccad09e1e6945b.exe
"C:\Users\Admin\AppData\Local\Temp\8c218c09f446a0db7b5de9bad9aadf285e81b04673a2db6769ccad09e1e6945b.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4420
- C:\Users\Admin\AppData\Local\Temp\8c218c09f446a0db7b5de9bad9aadf285e81b04673a2db6769ccad09e1e6945b.exe
  "C:\Users\Admin\AppData\Local\Temp\8c218c09f446a0db7b5de9bad9aadf285e81b04673a2db6769ccad09e1e6945b.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4392

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/4392-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4392-15-0x0000000001A60000-0x0000000001DAA000-memory.dmp

Filesize
3.3MB

Download
memory/4392-14-0x0000000001A60000-0x0000000001DAA000-memory.dmp

Filesize
3.3MB

Download
memory/4420-6-0x0000000005250000-0x000000000525C000-memory.dmp

Filesize
48KB

Download
memory/4420-4-0x0000000074A70000-0x0000000075220000-memory.dmp

Filesize
7.7MB

Download
memory/4420-5-0x0000000004E60000-0x0000000004E6A000-memory.dmp

Filesize
40KB

Download
memory/4420-0-0x0000000074A7E000-0x0000000074A7F000-memory.dmp

Filesize
4KB

Download
memory/4420-7-0x0000000074A7E000-0x0000000074A7F000-memory.dmp

Filesize
4KB

Download
memory/4420-8-0x0000000074A70000-0x0000000075220000-memory.dmp

Filesize
7.7MB

Download
memory/4420-9-0x0000000006850000-0x00000000068EC000-memory.dmp

Filesize
624KB

Download
memory/4420-10-0x00000000069A0000-0x00000000069F8000-memory.dmp

Filesize
352KB

Download
memory/4420-3-0x0000000004EE0000-0x0000000004F72000-memory.dmp

Filesize
584KB

Download
memory/4420-13-0x0000000074A70000-0x0000000075220000-memory.dmp

Filesize
7.7MB

Download
memory/4420-2-0x0000000005490000-0x0000000005A34000-memory.dmp

Filesize
5.6MB

Download
memory/4420-1-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download