formbook | fc4a97c809b221101e5bd66497e1c058c8b33913c336a74183c7d7f7caedc803

General

Target

winlog.exe
Size

744KB
MD5

2e56ef2fbc6e9d6eacdef3c1551b4d07
SHA1

bca0cf7d4a30bb32a65091949bbfe5d93e087e31
SHA256

fc4a97c809b221101e5bd66497e1c058c8b33913c336a74183c7d7f7caedc803
SHA512

5d6477a99b0735161e28674b8746ae343a53190a1fb3733012bcdbeffbba5cc682f4ab13aede846729e63250551d0b229df927b4030f0dd209df0dea8b86a2f8

Score

10^/10

formbook rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

C2

http://www.bytecommunication.com/aky/

Decoy

jeiksaoeklea.com

sagame-auto.net

soloseriolavoro.com

thecreatorsbook.com

superskritch.com

oroxequipment.com

heart-of-art.online

liwedfg.com

fisherofsouls.com

jota.xyz

nehyam.com

smart-contact-delivery.com

hoom.guru

dgryds.com

thesoakcpd.com

mishv.com

rings-factory.info

bero-craft-beers.com

podcastnamegenerators.com

856379813.xyz

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
behavioral2/memory/776-11-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/776-12-0x000000000041EB60-mapping.dmp	formbook
behavioral2/memory/1484-13-0x0000000000000000-mapping.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

Processes:

winlog.exewinlog.exenetsh.exe

description	pid	process	target process
PID 1180 set thread context of 776	1180	winlog.exe	winlog.exe
PID 776 set thread context of 2836	776	winlog.exe	Explorer.EXE
PID 1484 set thread context of 2836	1484	netsh.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 48 IoCs

Processes:

winlog.exenetsh.exe

pid	process
776	winlog.exe
776	winlog.exe
776	winlog.exe
776	winlog.exe
1484	netsh.exe
1484	netsh.exe
1484	netsh.exe
1484	netsh.exe
1484	netsh.exe
1484	netsh.exe
1484	netsh.exe
1484	netsh.exe
1484	netsh.exe
1484	netsh.exe
1484	netsh.exe
1484	netsh.exe
1484	netsh.exe
1484	netsh.exe
1484	netsh.exe
1484	netsh.exe
1484	netsh.exe
1484	netsh.exe
1484	netsh.exe
1484	netsh.exe
1484	netsh.exe
1484	netsh.exe
1484	netsh.exe
1484	netsh.exe
1484	netsh.exe
1484	netsh.exe
1484	netsh.exe
1484	netsh.exe
1484	netsh.exe
1484	netsh.exe
1484	netsh.exe
1484	netsh.exe
1484	netsh.exe
1484	netsh.exe
1484	netsh.exe
1484	netsh.exe
1484	netsh.exe
1484	netsh.exe
1484	netsh.exe
1484	netsh.exe
1484	netsh.exe
1484	netsh.exe
1484	netsh.exe
1484	netsh.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

winlog.exenetsh.exe

pid process

776 winlog.exe
776 winlog.exe
776 winlog.exe
1484 netsh.exe
1484 netsh.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

winlog.exenetsh.exe

description pid process

Token: SeDebugPrivilege 776 winlog.exe
Token: SeDebugPrivilege 1484 netsh.exe
Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

2836 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	776	winlog.exe
Token: SeDebugPrivilege	1484	netsh.exe

pid	process
2836	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

winlog.exeExplorer.EXEnetsh.exe

description	pid	process	target process
PID 1180 wrote to memory of 776	1180	winlog.exe	winlog.exe
PID 1180 wrote to memory of 776	1180	winlog.exe	winlog.exe
PID 1180 wrote to memory of 776	1180	winlog.exe	winlog.exe
PID 1180 wrote to memory of 776	1180	winlog.exe	winlog.exe
PID 1180 wrote to memory of 776	1180	winlog.exe	winlog.exe
PID 1180 wrote to memory of 776	1180	winlog.exe	winlog.exe
PID 2836 wrote to memory of 1484	2836	Explorer.EXE	netsh.exe
PID 2836 wrote to memory of 1484	2836	Explorer.EXE	netsh.exe
PID 2836 wrote to memory of 1484	2836	Explorer.EXE	netsh.exe
PID 1484 wrote to memory of 1276	1484	netsh.exe	cmd.exe
PID 1484 wrote to memory of 1276	1484	netsh.exe	cmd.exe
PID 1484 wrote to memory of 1276	1484	netsh.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2836
- C:\Users\Admin\AppData\Local\Temp\winlog.exe
  "C:\Users\Admin\AppData\Local\Temp\winlog.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1180
- - C:\Users\Admin\AppData\Local\Temp\winlog.exe
    "{path}"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:776
- C:\Windows\SysWOW64\netsh.exe
  "C:\Windows\SysWOW64\netsh.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1484
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\winlog.exe"
    3⤵
    PID:1276

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/776-11-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/776-12-0x000000000041EB60-mapping.dmp

Download
memory/1180-6-0x0000000004FD0000-0x0000000004FD1000-memory.dmp

Filesize
4KB

Download
memory/1180-2-0x0000000073D20000-0x000000007440E000-memory.dmp

Filesize
6.9MB

Download
memory/1180-7-0x0000000004F90000-0x0000000004F91000-memory.dmp

Filesize
4KB

Download
memory/1180-8-0x00000000051F0000-0x00000000051FE000-memory.dmp

Filesize
56KB

Download
memory/1180-9-0x0000000007520000-0x00000000075A3000-memory.dmp

Filesize
524KB

Download
memory/1180-10-0x0000000007650000-0x0000000007651000-memory.dmp

Filesize
4KB

Download
memory/1180-5-0x00000000054D0000-0x00000000054D1000-memory.dmp

Filesize
4KB

Download
memory/1180-3-0x0000000000690000-0x0000000000691000-memory.dmp

Filesize
4KB

Download
memory/1276-16-0x0000000000000000-mapping.dmp

Download
memory/1484-13-0x0000000000000000-mapping.dmp

Download
memory/1484-14-0x0000000001000000-0x000000000101E000-memory.dmp

Filesize
120KB

Download
memory/1484-15-0x0000000001000000-0x000000000101E000-memory.dmp

Filesize
120KB

Download
memory/1484-17-0x0000000003A30000-0x0000000003B3F000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads