formbook | dc99d626b36e12c70bcb745c3b7894eda7d7d7c788978eb5ba17beca18e995ab

Analysis

max time kernel
91s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
08-12-2022 02:35

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General

Target

d85362ebed4b1ec73421fcad1b1ad03d.exe
Size

939KB
MD5

d85362ebed4b1ec73421fcad1b1ad03d
SHA1

70ec5402777057c0ac6cab40698380812341e325
SHA256

dc99d626b36e12c70bcb745c3b7894eda7d7d7c788978eb5ba17beca18e995ab
SHA512

df86d90a862061cf0bea7f8afa75d251be726e6326d778aa52f6e41d322238bf1341d116aa13e878d33603fc2a34d67000b11372c4cc35bd536b3b99e99c4a0c
SSDEEP

12288:ccr2iNUY4IWGjCRqCLg883vVB6l+Gjg34eYJPLByqzNMP1gURVrDJnR6haKnlUvV:3r1ONGjU3LgT//m9jgoeiLBI

Score

10^/10

formbook w086 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

w086

Decoy

F6jSz+l9QmYXguG/xUipf/6ixrik

cQZre8twfBVOOJgLenGTGA==

pG5kW2/wqwEOCVxZ

KORXeYwt7wF8J3BR

HL0ZdBMjeHet

TR57b4Yi6wJ8J3BR

fRyK2yaqeDRGHiQTTw==

RwhsqfRxABNZS59wenGTGA==

GuZaY4H4ahcWKjUdVg==

I5C4/Wyz3fglj+o=

Te5QPEu3NjZ0P58LenGTGA==

M9YJLwifZIi9pfnj2Nj/kA6+ZlU=

c/JFdRndG8f/HiQTTw==

nMmcD1UjeHet

QWR7+9Rh8/l8J3BR

9MD+BzOyI6mXtM4w6LMyEA==

WABgaYPqdJzl2TviGbdH

02OexRebqj3+U2kXhQ0=

j17M2R3/fQwFHiQTTw==

dQpReYss5/l8J3BR

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Suspicious use of SetThreadContext 1 IoCs

Processes:

d85362ebed4b1ec73421fcad1b1ad03d.exe

description pid process target process

PID 4252 set thread context of 3716 4252 d85362ebed4b1ec73421fcad1b1ad03d.exe d85362ebed4b1ec73421fcad1b1ad03d.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

d85362ebed4b1ec73421fcad1b1ad03d.exe

pid process

3716 d85362ebed4b1ec73421fcad1b1ad03d.exe
3716 d85362ebed4b1ec73421fcad1b1ad03d.exe

description	pid	process	target process
PID 4252 set thread context of 3716	4252	d85362ebed4b1ec73421fcad1b1ad03d.exe	d85362ebed4b1ec73421fcad1b1ad03d.exe

pid	process
3716	d85362ebed4b1ec73421fcad1b1ad03d.exe
3716	d85362ebed4b1ec73421fcad1b1ad03d.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

d85362ebed4b1ec73421fcad1b1ad03d.exe

description	pid	process	target process
PID 4252 wrote to memory of 3716	4252	d85362ebed4b1ec73421fcad1b1ad03d.exe	d85362ebed4b1ec73421fcad1b1ad03d.exe
PID 4252 wrote to memory of 3716	4252	d85362ebed4b1ec73421fcad1b1ad03d.exe	d85362ebed4b1ec73421fcad1b1ad03d.exe
PID 4252 wrote to memory of 3716	4252	d85362ebed4b1ec73421fcad1b1ad03d.exe	d85362ebed4b1ec73421fcad1b1ad03d.exe
PID 4252 wrote to memory of 3716	4252	d85362ebed4b1ec73421fcad1b1ad03d.exe	d85362ebed4b1ec73421fcad1b1ad03d.exe
PID 4252 wrote to memory of 3716	4252	d85362ebed4b1ec73421fcad1b1ad03d.exe	d85362ebed4b1ec73421fcad1b1ad03d.exe
PID 4252 wrote to memory of 3716	4252	d85362ebed4b1ec73421fcad1b1ad03d.exe	d85362ebed4b1ec73421fcad1b1ad03d.exe

C:\Users\Admin\AppData\Local\Temp\d85362ebed4b1ec73421fcad1b1ad03d.exe
"C:\Users\Admin\AppData\Local\Temp\d85362ebed4b1ec73421fcad1b1ad03d.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4252
- C:\Users\Admin\AppData\Local\Temp\d85362ebed4b1ec73421fcad1b1ad03d.exe
  "C:\Users\Admin\AppData\Local\Temp\d85362ebed4b1ec73421fcad1b1ad03d.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3716

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/3716-137-0x0000000000000000-mapping.dmp

Download
memory/3716-138-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3716-140-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3716-141-0x0000000000401000-0x000000000042F000-memory.dmp

Filesize
184KB

Download
memory/3716-142-0x0000000000FA0000-0x00000000012EA000-memory.dmp

Filesize
3.3MB

Download
memory/4252-132-0x0000000000D40000-0x0000000000E32000-memory.dmp

Filesize
968KB

Download
memory/4252-133-0x0000000005E30000-0x00000000063D4000-memory.dmp

Filesize
5.6MB

Download
memory/4252-134-0x00000000057D0000-0x0000000005862000-memory.dmp

Filesize
584KB

Download
memory/4252-135-0x0000000005890000-0x000000000589A000-memory.dmp

Filesize
40KB

Download
memory/4252-136-0x0000000005A60000-0x0000000005AFC000-memory.dmp

Filesize
624KB

Download