formbook | 83b3bd2c3ba61322996e80163634149c6a8ea7f17cbe4e3acbf1e441be3ad6f0

Resubmissions

29/12/2024, 04:57

241229-flhnpatjg1 10

Analysis

max time kernel
95s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29/12/2024, 04:57

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General

Target

cb1b1d99cbf6d7bb1a30ec1c7ee31c36b8e19230751046688ad1a14b2fec4758.exe
Size

686KB
MD5

9cabc06c47b82704fd1b7f2bc179a3a8
SHA1

83fe695a745fe1a0f81cf1ec71cde74a9d4b424d
SHA256

cb1b1d99cbf6d7bb1a30ec1c7ee31c36b8e19230751046688ad1a14b2fec4758
SHA512

f45e4bf071298f3ad5e007db4c5ed9ffd723c50f34efa771d37a1b484bcc09fbe77a20c59dc72a40a0c96837afc12c67258ace11e04e1d397dca64fdf821d043
SSDEEP

12288:dl0++rKR6dSkULoqZ/b+sVUaGMUgdiSMa4Nk:dl0RrW6qtbuc4Nk

Score

10^/10

formbook 3iw discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.0

Campaign

3iw

Decoy

cepbank-direkt.com

lieoga.com

officialbetterbeardclub.com

media0702.com

safariflorist.com

vipinternationalinc.com

bitechanalytics.com

employeewage.com

truckingtag.com

priyaladiestailor.com

highlanderpiping.com

enargiapetroleum.com

vermilionranch.com

focusopgeld.com

kalem-euy.net

disypen.com

fairpayva.com

davidguner.com

idreferensi.com

dytt889.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/1540-11-0x0000000000400000-0x000000000042D000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 228 set thread context of 1540	228	cb1b1d99cbf6d7bb1a30ec1c7ee31c36b8e19230751046688ad1a14b2fec4758.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	cb1b1d99cbf6d7bb1a30ec1c7ee31c36b8e19230751046688ad1a14b2fec4758.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
228	cb1b1d99cbf6d7bb1a30ec1c7ee31c36b8e19230751046688ad1a14b2fec4758.exe
228	cb1b1d99cbf6d7bb1a30ec1c7ee31c36b8e19230751046688ad1a14b2fec4758.exe
228	cb1b1d99cbf6d7bb1a30ec1c7ee31c36b8e19230751046688ad1a14b2fec4758.exe
228	cb1b1d99cbf6d7bb1a30ec1c7ee31c36b8e19230751046688ad1a14b2fec4758.exe
1540	cb1b1d99cbf6d7bb1a30ec1c7ee31c36b8e19230751046688ad1a14b2fec4758.exe
1540	cb1b1d99cbf6d7bb1a30ec1c7ee31c36b8e19230751046688ad1a14b2fec4758.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	228	cb1b1d99cbf6d7bb1a30ec1c7ee31c36b8e19230751046688ad1a14b2fec4758.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 228 wrote to memory of 1540	228	cb1b1d99cbf6d7bb1a30ec1c7ee31c36b8e19230751046688ad1a14b2fec4758.exe	91
PID 228 wrote to memory of 1540	228	cb1b1d99cbf6d7bb1a30ec1c7ee31c36b8e19230751046688ad1a14b2fec4758.exe	91
PID 228 wrote to memory of 1540	228	cb1b1d99cbf6d7bb1a30ec1c7ee31c36b8e19230751046688ad1a14b2fec4758.exe	91
PID 228 wrote to memory of 1540	228	cb1b1d99cbf6d7bb1a30ec1c7ee31c36b8e19230751046688ad1a14b2fec4758.exe	91
PID 228 wrote to memory of 1540	228	cb1b1d99cbf6d7bb1a30ec1c7ee31c36b8e19230751046688ad1a14b2fec4758.exe	91
PID 228 wrote to memory of 1540	228	cb1b1d99cbf6d7bb1a30ec1c7ee31c36b8e19230751046688ad1a14b2fec4758.exe	91

C:\Users\Admin\AppData\Local\Temp\cb1b1d99cbf6d7bb1a30ec1c7ee31c36b8e19230751046688ad1a14b2fec4758.exe
"C:\Users\Admin\AppData\Local\Temp\cb1b1d99cbf6d7bb1a30ec1c7ee31c36b8e19230751046688ad1a14b2fec4758.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:228
- C:\Users\Admin\AppData\Local\Temp\cb1b1d99cbf6d7bb1a30ec1c7ee31c36b8e19230751046688ad1a14b2fec4758.exe
  "{path}"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1540

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

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Downloads

memory/228-6-0x0000000074ECE000-0x0000000074ECF000-memory.dmp

Filesize
4KB

Download
memory/228-10-0x0000000006CA0000-0x0000000006D3C000-memory.dmp

Filesize
624KB

Download
memory/228-2-0x0000000005D50000-0x00000000062F4000-memory.dmp

Filesize
5.6MB

Download
memory/228-3-0x00000000057A0000-0x0000000005AF4000-memory.dmp

Filesize
3.3MB

Download
memory/228-4-0x0000000005B00000-0x0000000005B92000-memory.dmp

Filesize
584KB

Download
memory/228-5-0x0000000005650000-0x0000000005662000-memory.dmp

Filesize
72KB

Download
memory/228-1-0x0000000000C20000-0x0000000000CD0000-memory.dmp

Filesize
704KB

Download
memory/228-8-0x0000000006500000-0x0000000006560000-memory.dmp

Filesize
384KB

Download
memory/228-0-0x0000000074ECE000-0x0000000074ECF000-memory.dmp

Filesize
4KB

Download
memory/228-9-0x0000000008DE0000-0x0000000008E28000-memory.dmp

Filesize
288KB

Download
memory/228-7-0x0000000074EC0000-0x0000000075670000-memory.dmp

Filesize
7.7MB

Download
memory/228-13-0x0000000074EC0000-0x0000000075670000-memory.dmp

Filesize
7.7MB

Download
memory/1540-11-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1540-14-0x0000000001930000-0x0000000001C7A000-memory.dmp

Filesize
3.3MB

Download
memory/1540-15-0x0000000001930000-0x0000000001C7A000-memory.dmp

Filesize
3.3MB

Download