formbook | adc10139a3870919bf60c4345f1e9d09eec3c590a434e761c55ff3da112e9a68

General

Target

invoice.exe
Size

540KB
MD5

59f1d68e7d7425a82b9fe1a3ff2dd295
SHA1

95332a045f2e869e01f1adcffd529b7c4a6980c8
SHA256

adc10139a3870919bf60c4345f1e9d09eec3c590a434e761c55ff3da112e9a68
SHA512

ea81d912c4ce33d5cfc5ebd66bfeae4a3fdfd6260b8507b89738b56d6ead4418f192f59774b8cce3e163cb479752783e36a3a4c9bff3d89e93de0945d6afc8aa

Score

10^/10

formbook rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

C2

http://www.berkeleyreese.com/tabo/

Decoy

clarkandfarm.com

membersplusisthebest.com

themiraclesboutique.com

jhbsqmzaz.icu

shubharambhvastralay.com

flixnite.com

ewanthompson.net

pompanodogtrainers.com

palmbeachdialysiscenter.com

humpflix.com

siplumbing.info

photographerasheville.com

chapalalistings.com

sandwichfairnh.com

c2b-333.com

alwaysbebright.com

century-ych.com

groundcloudio.com

matodentro.com

sketch59.com

Signatures

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

Formbook Payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/2032-4-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/2040-11-0x00000000000B0000-0x00000000000DE000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1220 cmd.exe

pid	process
1220	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

invoice.exeinvoice.exesystray.exe

description	pid	process	target process
PID 1044 set thread context of 2032	1044	invoice.exe	invoice.exe
PID 2032 set thread context of 1224	2032	invoice.exe	Explorer.EXE
PID 2040 set thread context of 1224	2040	systray.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 31 IoCs

Processes:

invoice.exesystray.exe

pid	process
2032	invoice.exe
2032	invoice.exe
2040	systray.exe
2040	systray.exe
2040	systray.exe
2040	systray.exe
2040	systray.exe
2040	systray.exe
2040	systray.exe
2040	systray.exe
2040	systray.exe
2040	systray.exe
2040	systray.exe
2040	systray.exe
2040	systray.exe
2040	systray.exe
2040	systray.exe
2040	systray.exe
2040	systray.exe
2040	systray.exe
2040	systray.exe
2040	systray.exe
2040	systray.exe
2040	systray.exe
2040	systray.exe
2040	systray.exe
2040	systray.exe
2040	systray.exe
2040	systray.exe
2040	systray.exe
2040	systray.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

invoice.exeinvoice.exesystray.exe

pid process

1044 invoice.exe
2032 invoice.exe
2032 invoice.exe
2032 invoice.exe
2040 systray.exe
2040 systray.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

invoice.exesystray.exe

description pid process

Token: SeDebugPrivilege 2032 invoice.exe
Token: SeDebugPrivilege 2040 systray.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1224 Explorer.EXE
1224 Explorer.EXE
1224 Explorer.EXE
1224 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1224 Explorer.EXE
1224 Explorer.EXE
1224 Explorer.EXE
1224 Explorer.EXE

pid	process
1044	invoice.exe
2032	invoice.exe
2032	invoice.exe
2032	invoice.exe
2040	systray.exe
2040	systray.exe

description	pid	process
Token: SeDebugPrivilege	2032	invoice.exe
Token: SeDebugPrivilege	2040	systray.exe

pid	process
1224	Explorer.EXE
1224	Explorer.EXE
1224	Explorer.EXE
1224	Explorer.EXE

pid	process
1224	Explorer.EXE
1224	Explorer.EXE
1224	Explorer.EXE
1224	Explorer.EXE

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

invoice.exeExplorer.EXEsystray.exe

description	pid	process	target process
PID 1044 wrote to memory of 2032	1044	invoice.exe	invoice.exe
PID 1044 wrote to memory of 2032	1044	invoice.exe	invoice.exe
PID 1044 wrote to memory of 2032	1044	invoice.exe	invoice.exe
PID 1044 wrote to memory of 2032	1044	invoice.exe	invoice.exe
PID 1044 wrote to memory of 2032	1044	invoice.exe	invoice.exe
PID 1224 wrote to memory of 2040	1224	Explorer.EXE	systray.exe
PID 1224 wrote to memory of 2040	1224	Explorer.EXE	systray.exe
PID 1224 wrote to memory of 2040	1224	Explorer.EXE	systray.exe
PID 1224 wrote to memory of 2040	1224	Explorer.EXE	systray.exe
PID 2040 wrote to memory of 1220	2040	systray.exe	cmd.exe
PID 2040 wrote to memory of 1220	2040	systray.exe	cmd.exe
PID 2040 wrote to memory of 1220	2040	systray.exe	cmd.exe
PID 2040 wrote to memory of 1220	2040	systray.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:1224

C:\Users\Admin\AppData\Local\Temp\invoice.exe
"C:\Users\Admin\AppData\Local\Temp\invoice.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1044

C:\Users\Admin\AppData\Local\Temp\invoice.exe
"C:\Users\Admin\AppData\Local\Temp\invoice.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2032

C:\Windows\SysWOW64\systray.exe
"C:\Windows\SysWOW64\systray.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2040

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\invoice.exe"
3⤵
- Deletes itself
PID:1220

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1044-2-0x00000000760A1000-0x00000000760A3000-memory.dmp

Filesize
8KB

Download
memory/1220-9-0x0000000000000000-mapping.dmp

Download
memory/1224-14-0x00000000067A0000-0x0000000006889000-memory.dmp

Filesize
932KB

Download
memory/1224-7-0x0000000004940000-0x0000000004ADC000-memory.dmp

Filesize
1.6MB

Download
memory/2032-3-0x000000000041ED40-mapping.dmp

Download
memory/2032-5-0x0000000000A90000-0x0000000000D93000-memory.dmp

Filesize
3.0MB

Download
memory/2032-6-0x0000000000170000-0x0000000000184000-memory.dmp

Filesize
80KB

Download
memory/2032-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2040-8-0x0000000000000000-mapping.dmp

Download
memory/2040-11-0x00000000000B0000-0x00000000000DE000-memory.dmp

Filesize
184KB

Download
memory/2040-12-0x0000000001EE0000-0x00000000021E3000-memory.dmp

Filesize
3.0MB

Download
memory/2040-13-0x0000000001D70000-0x0000000001E03000-memory.dmp

Filesize
588KB

Download
memory/2040-10-0x00000000000A0000-0x00000000000A5000-memory.dmp

Filesize
20KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads