formbook | 8df17054582dadea3ec01f53993e88ebc0c6068cd724498230889617088aba90

Analysis

max time kernel
146s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
03-06-2024 08:06

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General

Target

Receipt.exe
Size

566KB
MD5

b087df97441c10a635821f5125039903
SHA1

188bdd07174280b2abaec985c2e2013bd05ed719
SHA256

b79cfaa7a2e97cbaab90bca401cd0099210c653bc1fbb38dccab617e4c5299ca
SHA512

81ef38afbc8352a530ffb31a365491271aa1c31e64533d4e1069bbbd493853617f9d84fd1b62424cbef77f0e2376bd44f72990a43d9de7d6d0f45d57583e2980
SSDEEP

12288:TjVnUiQvH1etl72rtwlXbI7XHgZQKhJgeCmR:XUsD72rtwlXsLHgZpJEW

Score

10^/10

formbook ch rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

2.9

Campaign

Decoy

online-resources.website

Signatures

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

Formbook payload 1 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/1468-3-0x0000000000400000-0x000000000048F000-memory.dmp	formbook

Suspicious use of SetThreadContext 2 IoCs

Processes:

Receipt.exewlanext.exe

description	pid	process	target process
PID 1468 set thread context of 3500	1468	Receipt.exe	Explorer.EXE
PID 1052 set thread context of 3500	1052	wlanext.exe	Explorer.EXE

Modifies registry class 1 IoCs

Processes:

Explorer.EXE

description ioc process

Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ Explorer.EXE

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 62 IoCs

Processes:

Receipt.exewlanext.exe

pid	process
1468	Receipt.exe
1468	Receipt.exe
1468	Receipt.exe
1468	Receipt.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

Receipt.exewlanext.exe

pid process

1468 Receipt.exe
1468 Receipt.exe
1468 Receipt.exe
1052 wlanext.exe
1052 wlanext.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

Receipt.exeExplorer.EXEwlanext.exe

description	pid	process
Token: SeDebugPrivilege	1468	Receipt.exe
Token: SeShutdownPrivilege	3500	Explorer.EXE
Token: SeCreatePagefilePrivilege	3500	Explorer.EXE
Token: SeShutdownPrivilege	3500	Explorer.EXE
Token: SeCreatePagefilePrivilege	3500	Explorer.EXE
Token: SeDebugPrivilege	1052	wlanext.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

3500 Explorer.EXE
3500 Explorer.EXE
Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

3500 Explorer.EXE

pid	process
3500	Explorer.EXE
3500	Explorer.EXE

pid	process
3500	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

Explorer.EXEwlanext.exe

description	pid	process	target process
PID 3500 wrote to memory of 1052	3500	Explorer.EXE	wlanext.exe
PID 3500 wrote to memory of 1052	3500	Explorer.EXE	wlanext.exe
PID 3500 wrote to memory of 1052	3500	Explorer.EXE	wlanext.exe
PID 1052 wrote to memory of 1284	1052	wlanext.exe	cmd.exe
PID 1052 wrote to memory of 1284	1052	wlanext.exe	cmd.exe
PID 1052 wrote to memory of 1284	1052	wlanext.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3500
- C:\Users\Admin\AppData\Local\Temp\Receipt.exe
  "C:\Users\Admin\AppData\Local\Temp\Receipt.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  PID:1468
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:3576
- C:\Windows\SysWOW64\wlanext.exe
  "C:\Windows\SysWOW64\wlanext.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1052
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\Receipt.exe"
    3⤵
    PID:1284

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1052-5-0x0000000000460000-0x0000000000477000-memory.dmp

Filesize
92KB

Download
memory/1052-7-0x0000000000460000-0x0000000000477000-memory.dmp

Filesize
92KB

Download
memory/1468-0-0x0000000000400000-0x000000000048F000-memory.dmp

Filesize
572KB

Download
memory/1468-1-0x0000000000AB0000-0x0000000000DFA000-memory.dmp

Filesize
3.3MB

Download
memory/1468-3-0x0000000000400000-0x000000000048F000-memory.dmp

Filesize
572KB

Download
memory/1468-2-0x000000000041F000-0x0000000000420000-memory.dmp

Filesize
4KB

Download
memory/3500-4-0x00000000084A0000-0x0000000008532000-memory.dmp

Filesize
584KB

Download
memory/3500-9-0x00000000084A0000-0x0000000008532000-memory.dmp

Filesize
584KB

Download
memory/3500-12-0x0000000007F50000-0x0000000007FC4000-memory.dmp

Filesize
464KB

Download
memory/3500-15-0x0000000007F50000-0x0000000007FC4000-memory.dmp

Filesize
464KB

Download