formbook | 1e3104a64ac3e19163d22210b2f4df66dbccfe1731177ba1022ff9044b421c84

Analysis

max time kernel
95s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-12-2024 14:27

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General

Target

1e3104a64ac3e19163d22210b2f4df66dbccfe1731177ba1022ff9044b421c84.exe
Size

676KB
MD5

4d0867ea5dcf8e876a3f6f5bd1552ade
SHA1

f09517c6686417496adf05e0ed15012e9b338797
SHA256

1e3104a64ac3e19163d22210b2f4df66dbccfe1731177ba1022ff9044b421c84
SHA512

98b980daba6f0d7697464ded3508c5b5378889d7df82c5280d7d3905f9a359ae5d741925996205fb8732de298ca1628eacf02c652535b16af30d508ba1f88d21
SSDEEP

12288:RL32DHZno/YcGA441BEisVPmL6sPmUbovD1BJy3jW3vWqp0:RL32DH9oe0LsVPQ6QmecJy3jWu0

Score

10^/10

formbook c24t discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

c24t

Decoy

ealthbridgeccs.online

ngelicais.art

uktuksu1.sbs

fapoker.asia

hecreature.tech

orenzoplaybest14.xyz

op-smartphones-deal.today

delark.click

7395.asia

otnews.cfd

j16e.xyz

oko.events

fscxb.top

roudtxliberals.vote

asas-br.bond

ourhealthyourlife.shop

fbpd.top

j9u9.xyz

uijiuw.top

aming-chair-37588.bond

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

Processes:

resource	yara_rule
behavioral2/memory/4324-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

Processes:

1e3104a64ac3e19163d22210b2f4df66dbccfe1731177ba1022ff9044b421c84.exe

description	pid	Process	procid_target
PID 3252 set thread context of 4324	3252	1e3104a64ac3e19163d22210b2f4df66dbccfe1731177ba1022ff9044b421c84.exe	99

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

Processes:

1e3104a64ac3e19163d22210b2f4df66dbccfe1731177ba1022ff9044b421c84.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1e3104a64ac3e19163d22210b2f4df66dbccfe1731177ba1022ff9044b421c84.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

1e3104a64ac3e19163d22210b2f4df66dbccfe1731177ba1022ff9044b421c84.exe

pid	Process
4324	1e3104a64ac3e19163d22210b2f4df66dbccfe1731177ba1022ff9044b421c84.exe
4324	1e3104a64ac3e19163d22210b2f4df66dbccfe1731177ba1022ff9044b421c84.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

1e3104a64ac3e19163d22210b2f4df66dbccfe1731177ba1022ff9044b421c84.exe

description	pid	Process	procid_target
PID 3252 wrote to memory of 4324	3252	1e3104a64ac3e19163d22210b2f4df66dbccfe1731177ba1022ff9044b421c84.exe	99
PID 3252 wrote to memory of 4324	3252	1e3104a64ac3e19163d22210b2f4df66dbccfe1731177ba1022ff9044b421c84.exe	99
PID 3252 wrote to memory of 4324	3252	1e3104a64ac3e19163d22210b2f4df66dbccfe1731177ba1022ff9044b421c84.exe	99
PID 3252 wrote to memory of 4324	3252	1e3104a64ac3e19163d22210b2f4df66dbccfe1731177ba1022ff9044b421c84.exe	99
PID 3252 wrote to memory of 4324	3252	1e3104a64ac3e19163d22210b2f4df66dbccfe1731177ba1022ff9044b421c84.exe	99
PID 3252 wrote to memory of 4324	3252	1e3104a64ac3e19163d22210b2f4df66dbccfe1731177ba1022ff9044b421c84.exe	99

C:\Users\Admin\AppData\Local\Temp\1e3104a64ac3e19163d22210b2f4df66dbccfe1731177ba1022ff9044b421c84.exe
"C:\Users\Admin\AppData\Local\Temp\1e3104a64ac3e19163d22210b2f4df66dbccfe1731177ba1022ff9044b421c84.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3252
- C:\Users\Admin\AppData\Local\Temp\1e3104a64ac3e19163d22210b2f4df66dbccfe1731177ba1022ff9044b421c84.exe
  "C:\Users\Admin\AppData\Local\Temp\1e3104a64ac3e19163d22210b2f4df66dbccfe1731177ba1022ff9044b421c84.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4324

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/3252-6-0x0000000074AAE000-0x0000000074AAF000-memory.dmp

Filesize
4KB

Download
memory/3252-8-0x00000000059E0000-0x00000000059F2000-memory.dmp

Filesize
72KB

Download
memory/3252-2-0x0000000005DD0000-0x0000000006374000-memory.dmp

Filesize
5.6MB

Download
memory/3252-3-0x0000000005820000-0x00000000058B2000-memory.dmp

Filesize
584KB

Download
memory/3252-4-0x00000000058D0000-0x00000000058DA000-memory.dmp

Filesize
40KB

Download
memory/3252-5-0x0000000074AA0000-0x0000000075250000-memory.dmp

Filesize
7.7MB

Download
memory/3252-1-0x0000000000C80000-0x0000000000D30000-memory.dmp

Filesize
704KB

Download
memory/3252-7-0x0000000074AA0000-0x0000000075250000-memory.dmp

Filesize
7.7MB

Download
memory/3252-0-0x0000000074AAE000-0x0000000074AAF000-memory.dmp

Filesize
4KB

Download
memory/3252-9-0x0000000008660000-0x00000000086D6000-memory.dmp

Filesize
472KB

Download
memory/3252-10-0x000000000AE20000-0x000000000AEBC000-memory.dmp

Filesize
624KB

Download
memory/3252-13-0x0000000074AA0000-0x0000000075250000-memory.dmp

Filesize
7.7MB

Download
memory/4324-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4324-14-0x00000000010D0000-0x000000000141A000-memory.dmp

Filesize
3.3MB

Download
memory/4324-15-0x00000000010D0000-0x000000000141A000-memory.dmp

Filesize
3.3MB

Download