formbook | bbb4d62f2db865624777d1d4413cfa6aac6139ef783befcff575a640a31e3a56

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
05-09-2024 09:04

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General

Target

pYOi6F7j4EXQuuf.exe
Size

744KB
MD5

1384621a58bb2eee81ab85037e86bc6e
SHA1

39e88f220f0cef82fc217f2b9059ddd968f934f0
SHA256

bbb4d62f2db865624777d1d4413cfa6aac6139ef783befcff575a640a31e3a56
SHA512

88832afd6e659a5e4f579988397204eba6096f6c9813ca4e89fee4225d59323cc7ab9110e6be4d5aabb27ae8f824f69d060a19b809594ffb0f7a8728858914b4
SSDEEP

12288:0qdBj0z1RA/J1UoIG5MPU0wOqp0KG2KU+ffyC52P1naCEDhhBkWYNQat5e1orLoW:5/3UobyTkpxGUbCYP1addhBkWYb/rLoB

Score

10^/10

formbook d16h discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

d16h

Decoy

iki-graphy.online

l8z8c.vip

1709.asia

inematography-course-72246.bond

pis3noe2e.sbs

wernv.xyz

ovepepe.xyz

ama-online.world

ookmouse.fun

harkclothingdesigns.xyz

bbvvjuiqew.bond

sed-cars-93620.bond

esgateeganhe.shop

cekmeledak.info

ebulahorizon.buzz

peakers-92991.bond

essislotgoal16.top

hafi.biz

ichunyang.club

lrica.net

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
behavioral1/memory/3012-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2572 set thread context of 3012	2572	pYOi6F7j4EXQuuf.exe	31

Program crash 1 IoCs

pid	pid_target	Process	procid_target
568	3012	WerFault.exe	31

System Location Discovery: System Language Discovery 1 TTPs 2 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	pYOi6F7j4EXQuuf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pYOi6F7j4EXQuuf.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2572 wrote to memory of 3012	2572	pYOi6F7j4EXQuuf.exe	31
PID 2572 wrote to memory of 3012	2572	pYOi6F7j4EXQuuf.exe	31
PID 2572 wrote to memory of 3012	2572	pYOi6F7j4EXQuuf.exe	31
PID 2572 wrote to memory of 3012	2572	pYOi6F7j4EXQuuf.exe	31
PID 2572 wrote to memory of 3012	2572	pYOi6F7j4EXQuuf.exe	31
PID 2572 wrote to memory of 3012	2572	pYOi6F7j4EXQuuf.exe	31
PID 2572 wrote to memory of 3012	2572	pYOi6F7j4EXQuuf.exe	31
PID 3012 wrote to memory of 568	3012	pYOi6F7j4EXQuuf.exe	32
PID 3012 wrote to memory of 568	3012	pYOi6F7j4EXQuuf.exe	32
PID 3012 wrote to memory of 568	3012	pYOi6F7j4EXQuuf.exe	32
PID 3012 wrote to memory of 568	3012	pYOi6F7j4EXQuuf.exe	32

C:\Users\Admin\AppData\Local\Temp\pYOi6F7j4EXQuuf.exe
"C:\Users\Admin\AppData\Local\Temp\pYOi6F7j4EXQuuf.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2572
- C:\Users\Admin\AppData\Local\Temp\pYOi6F7j4EXQuuf.exe
  "C:\Users\Admin\AppData\Local\Temp\pYOi6F7j4EXQuuf.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3012
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3012 -s 36
    3⤵
    - Program crash
    PID:568

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/2572-0-0x0000000073FAE000-0x0000000073FAF000-memory.dmp

Filesize
4KB

Download
memory/2572-1-0x00000000010E0000-0x00000000011A0000-memory.dmp

Filesize
768KB

Download
memory/2572-2-0x0000000073FA0000-0x000000007468E000-memory.dmp

Filesize
6.9MB

Download
memory/2572-3-0x0000000000410000-0x0000000000428000-memory.dmp

Filesize
96KB

Download
memory/2572-4-0x0000000073FAE000-0x0000000073FAF000-memory.dmp

Filesize
4KB

Download
memory/2572-5-0x0000000073FA0000-0x000000007468E000-memory.dmp

Filesize
6.9MB

Download
memory/2572-6-0x0000000001070000-0x00000000010E6000-memory.dmp

Filesize
472KB

Download
memory/2572-13-0x0000000073FA0000-0x000000007468E000-memory.dmp

Filesize
6.9MB

Download
memory/3012-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3012-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3012-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3012-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download