formbook | ae73e8799690e6e7efe2222fe8a471af2c7f7f0f82dff259434626eac35a2721

General

Target

13012021.exe
Size

1.0MB
MD5

5a3dfc0ef78aab90422df535e97cbe9c
SHA1

37a8d89122bd0555e3a83e4940ff1871892f55f6
SHA256

ae73e8799690e6e7efe2222fe8a471af2c7f7f0f82dff259434626eac35a2721
SHA512

63713d49cb4c3d1cadf05be96bfb6c1e9152b999a99ce9567c634d382e45885ade8acc0aaae3771a4396038337e1f31d2d3a50214bebc452e2e21f9010540c9e

Score

10^/10

formbook rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

C2

http://www.timoniks.com/rbg/

Decoy

fingermode.com

parkplace.finance

hollandgreen2020.com

starbets.site

vehiculesfrigorifiques.com

sydiifinancial.com

rpivuenation.com

freesubdirectory.com

independencepartynyc.com

dogruparti.info

independencecountyclub.com

midnightlashesbykim.com

digitalsept.com

whatilikeabouttoday.com

marktplaatsaccount.info

13400667334.com

xinwei-ge.com

login-appleid.info

momashands.com

kennyxpress.com

Signatures

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

Formbook Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/524-7-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/524-8-0x000000000041EB40-mapping.dmp	formbook
behavioral1/memory/748-9-0x0000000000000000-mapping.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1048 cmd.exe

pid	process
1048	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

13012021.exe13012021.exemstsc.exe

description	pid	process	target process
PID 1036 set thread context of 524	1036	13012021.exe	13012021.exe
PID 524 set thread context of 1196	524	13012021.exe	Explorer.EXE
PID 748 set thread context of 1196	748	mstsc.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 19 IoCs

Processes:

13012021.exemstsc.exe

pid	process
524	13012021.exe
524	13012021.exe
748	mstsc.exe
748	mstsc.exe
748	mstsc.exe
748	mstsc.exe
748	mstsc.exe
748	mstsc.exe
748	mstsc.exe
748	mstsc.exe
748	mstsc.exe
748	mstsc.exe
748	mstsc.exe
748	mstsc.exe
748	mstsc.exe
748	mstsc.exe
748	mstsc.exe
748	mstsc.exe
748	mstsc.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

13012021.exemstsc.exe

pid process

524 13012021.exe
524 13012021.exe
524 13012021.exe
748 mstsc.exe
748 mstsc.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

13012021.exemstsc.exe

description pid process

Token: SeDebugPrivilege 524 13012021.exe
Token: SeDebugPrivilege 748 mstsc.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1196 Explorer.EXE
1196 Explorer.EXE
1196 Explorer.EXE
1196 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1196 Explorer.EXE
1196 Explorer.EXE
1196 Explorer.EXE
1196 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	524	13012021.exe
Token: SeDebugPrivilege	748	mstsc.exe

pid	process
1196	Explorer.EXE
1196	Explorer.EXE
1196	Explorer.EXE
1196	Explorer.EXE

pid	process
1196	Explorer.EXE
1196	Explorer.EXE
1196	Explorer.EXE
1196	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

13012021.exeExplorer.EXEmstsc.exe

description	pid	process	target process
PID 1036 wrote to memory of 524	1036	13012021.exe	13012021.exe
PID 1036 wrote to memory of 524	1036	13012021.exe	13012021.exe
PID 1036 wrote to memory of 524	1036	13012021.exe	13012021.exe
PID 1036 wrote to memory of 524	1036	13012021.exe	13012021.exe
PID 1036 wrote to memory of 524	1036	13012021.exe	13012021.exe
PID 1036 wrote to memory of 524	1036	13012021.exe	13012021.exe
PID 1036 wrote to memory of 524	1036	13012021.exe	13012021.exe
PID 1196 wrote to memory of 748	1196	Explorer.EXE	mstsc.exe
PID 1196 wrote to memory of 748	1196	Explorer.EXE	mstsc.exe
PID 1196 wrote to memory of 748	1196	Explorer.EXE	mstsc.exe
PID 1196 wrote to memory of 748	1196	Explorer.EXE	mstsc.exe
PID 748 wrote to memory of 1048	748	mstsc.exe	cmd.exe
PID 748 wrote to memory of 1048	748	mstsc.exe	cmd.exe
PID 748 wrote to memory of 1048	748	mstsc.exe	cmd.exe
PID 748 wrote to memory of 1048	748	mstsc.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1196
- C:\Users\Admin\AppData\Local\Temp\13012021.exe
  "C:\Users\Admin\AppData\Local\Temp\13012021.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1036
- - C:\Users\Admin\AppData\Local\Temp\13012021.exe
    "C:\Users\Admin\AppData\Local\Temp\13012021.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:524
- 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:748
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\13012021.exe"
    3⤵
    - Deletes itself
    PID:1048

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

memory/524-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/524-8-0x000000000041EB40-mapping.dmp

Download
memory/748-9-0x0000000000000000-mapping.dmp

Download
memory/748-10-0x0000000000450000-0x0000000000554000-memory.dmp

Filesize
1.0MB

Download
memory/748-12-0x0000000003220000-0x0000000003361000-memory.dmp

Filesize
1.3MB

Download
memory/1036-2-0x0000000074900000-0x0000000074FEE000-memory.dmp

Filesize
6.9MB

Download
memory/1036-3-0x0000000001210000-0x0000000001211000-memory.dmp

Filesize
4KB

Download
memory/1036-5-0x0000000000940000-0x0000000000952000-memory.dmp

Filesize
72KB

Download
memory/1036-6-0x00000000050C0000-0x000000000512B000-memory.dmp

Filesize
428KB

Download
memory/1048-11-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads