formbook | f2afb3f2fc399a22f91d7697807904a9890f2bfa18c8c78a3dfc623e7c23815d

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
06/03/2024, 08:58

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General

Target

oZF2kXw4ZRc8NjL.exe
Size

598KB
MD5

5a359fe001dbe5d3273b0eaf98958aee
SHA1

aff3c7a90bdc9eafee5f1b33eb25e653908234a5
SHA256

f2afb3f2fc399a22f91d7697807904a9890f2bfa18c8c78a3dfc623e7c23815d
SHA512

25be5dffd5d65fc5046af43ce7d58821091db362598cac90be963255a4a9fef794132741e8addebf28824d570422e9e647d1633e296d23f23f671cfcc7c41e74
SSDEEP

12288:L2OeWehkQs6cWERl6bOO9BZUYdK2d/ii5FLZ8Sg/BPj+UYyMqvkR:6kQs6cWELqBZPK2dDK0f

Score

10^/10

formbook ns03 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ns03

Decoy

dipity.tech

agathis.fun

ekaterinai.store

elizabethsbookshelf.com

smilesustainably.com

tapeworm.xyz

beatricesswarthout.xyz

nsrpackersandpackers.in

yedxec.xyz

gildedbeautyaesthitics.com

hanibalbechar.com

fichaphuman.net

adilosk.shop

geezaran.com

ventasemail.com

phonecasesdirect.store

rctjuc.shop

sukimossmanagement.com

caller-id.today

kft07.vip

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral2/memory/4584-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4584-17-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4204-22-0x0000000001290000-0x00000000012BF000-memory.dmp	formbook
behavioral2/memory/4204-24-0x0000000001290000-0x00000000012BF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1636 set thread context of 4584	1636	oZF2kXw4ZRc8NjL.exe	98
PID 4584 set thread context of 3416	4584	oZF2kXw4ZRc8NjL.exe	57
PID 4204 set thread context of 3416	4204	mstsc.exe	57

Suspicious behavior: EnumeratesProcesses 58 IoCs

pid	Process
4584	oZF2kXw4ZRc8NjL.exe
4584	oZF2kXw4ZRc8NjL.exe
4584	oZF2kXw4ZRc8NjL.exe
4584	oZF2kXw4ZRc8NjL.exe
4204	mstsc.exe
4204	mstsc.exe
4204	mstsc.exe
4204	mstsc.exe
4204	mstsc.exe
4204	mstsc.exe
4204	mstsc.exe
4204	mstsc.exe
4204	mstsc.exe
4204	mstsc.exe
4204	mstsc.exe
4204	mstsc.exe
4204	mstsc.exe
4204	mstsc.exe
4204	mstsc.exe
4204	mstsc.exe
4204	mstsc.exe
4204	mstsc.exe
4204	mstsc.exe
4204	mstsc.exe
4204	mstsc.exe
4204	mstsc.exe
4204	mstsc.exe
4204	mstsc.exe
4204	mstsc.exe
4204	mstsc.exe
4204	mstsc.exe
4204	mstsc.exe
4204	mstsc.exe
4204	mstsc.exe
4204	mstsc.exe
4204	mstsc.exe
4204	mstsc.exe
4204	mstsc.exe
4204	mstsc.exe
4204	mstsc.exe
4204	mstsc.exe
4204	mstsc.exe
4204	mstsc.exe
4204	mstsc.exe
4204	mstsc.exe
4204	mstsc.exe
4204	mstsc.exe
4204	mstsc.exe
4204	mstsc.exe
4204	mstsc.exe
4204	mstsc.exe
4204	mstsc.exe
4204	mstsc.exe
4204	mstsc.exe
4204	mstsc.exe
4204	mstsc.exe
4204	mstsc.exe
4204	mstsc.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
4584	oZF2kXw4ZRc8NjL.exe
4584	oZF2kXw4ZRc8NjL.exe
4584	oZF2kXw4ZRc8NjL.exe
4204	mstsc.exe
4204	mstsc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4584	oZF2kXw4ZRc8NjL.exe
Token: SeDebugPrivilege	4204	mstsc.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3416	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1636 wrote to memory of 4584	1636	oZF2kXw4ZRc8NjL.exe	98
PID 1636 wrote to memory of 4584	1636	oZF2kXw4ZRc8NjL.exe	98
PID 1636 wrote to memory of 4584	1636	oZF2kXw4ZRc8NjL.exe	98
PID 1636 wrote to memory of 4584	1636	oZF2kXw4ZRc8NjL.exe	98
PID 1636 wrote to memory of 4584	1636	oZF2kXw4ZRc8NjL.exe	98
PID 1636 wrote to memory of 4584	1636	oZF2kXw4ZRc8NjL.exe	98
PID 3416 wrote to memory of 4204	3416	Explorer.EXE	99
PID 3416 wrote to memory of 4204	3416	Explorer.EXE	99
PID 3416 wrote to memory of 4204	3416	Explorer.EXE	99
PID 4204 wrote to memory of 1888	4204	mstsc.exe	102
PID 4204 wrote to memory of 1888	4204	mstsc.exe	102
PID 4204 wrote to memory of 1888	4204	mstsc.exe	102

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3416
- C:\Users\Admin\AppData\Local\Temp\oZF2kXw4ZRc8NjL.exe
  "C:\Users\Admin\AppData\Local\Temp\oZF2kXw4ZRc8NjL.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1636
- - C:\Users\Admin\AppData\Local\Temp\oZF2kXw4ZRc8NjL.exe
    "C:\Users\Admin\AppData\Local\Temp\oZF2kXw4ZRc8NjL.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4584
- C:\Windows\SysWOW64\mstsc.exe
  "C:\Windows\SysWOW64\mstsc.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4204
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\oZF2kXw4ZRc8NjL.exe"
    3⤵
    PID:1888

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1636-13-0x0000000075350000-0x0000000075B00000-memory.dmp

Filesize
7.7MB

Download
memory/1636-7-0x0000000004F20000-0x0000000004F2A000-memory.dmp

Filesize
40KB

Download
memory/1636-2-0x00000000054F0000-0x0000000005A94000-memory.dmp

Filesize
5.6MB

Download
memory/1636-3-0x0000000004D60000-0x0000000004DF2000-memory.dmp

Filesize
584KB

Download
memory/1636-4-0x00000000050E0000-0x00000000050F0000-memory.dmp

Filesize
64KB

Download
memory/1636-5-0x00000000028E0000-0x00000000028EA000-memory.dmp

Filesize
40KB

Download
memory/1636-6-0x00000000028F0000-0x0000000002904000-memory.dmp

Filesize
80KB

Download
memory/1636-1-0x0000000075350000-0x0000000075B00000-memory.dmp

Filesize
7.7MB

Download
memory/1636-8-0x0000000004FC0000-0x0000000004FCE000-memory.dmp

Filesize
56KB

Download
memory/1636-9-0x00000000052F0000-0x0000000005366000-memory.dmp

Filesize
472KB

Download
memory/1636-10-0x0000000007F20000-0x0000000007FBC000-memory.dmp

Filesize
624KB

Download
memory/1636-0-0x00000000002C0000-0x0000000000358000-memory.dmp

Filesize
608KB

Download
memory/3416-33-0x0000000003630000-0x00000000036D2000-memory.dmp

Filesize
648KB

Download
memory/3416-29-0x0000000003630000-0x00000000036D2000-memory.dmp

Filesize
648KB

Download
memory/3416-30-0x0000000003630000-0x00000000036D2000-memory.dmp

Filesize
648KB

Download
memory/3416-18-0x000000000B330000-0x000000000B4BF000-memory.dmp

Filesize
1.6MB

Download
memory/4204-26-0x0000000003100000-0x0000000003193000-memory.dmp

Filesize
588KB

Download
memory/4204-19-0x0000000000D30000-0x0000000000E6A000-memory.dmp

Filesize
1.2MB

Download
memory/4204-22-0x0000000001290000-0x00000000012BF000-memory.dmp

Filesize
188KB

Download
memory/4204-23-0x0000000003260000-0x00000000035AA000-memory.dmp

Filesize
3.3MB

Download
memory/4204-24-0x0000000001290000-0x00000000012BF000-memory.dmp

Filesize
188KB

Download
memory/4204-21-0x0000000000D30000-0x0000000000E6A000-memory.dmp

Filesize
1.2MB

Download
memory/4584-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4584-14-0x00000000017F0000-0x0000000001B3A000-memory.dmp

Filesize
3.3MB

Download
memory/4584-16-0x0000000001CF0000-0x0000000001D04000-memory.dmp

Filesize
80KB

Download
memory/4584-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download