formbook | 747e90de3fdc97a7fec4245b0298db8d5b97bded1cf19e4b25fb912797899885

General

Target

REVISED INVOICE.exe
Size

607KB
MD5

6b5c6aefc470e66a1d12bc56437f48a0
SHA1

e5c903c9a731c3abfbdb5141d926616bf7b54beb
SHA256

35a2017af959b6e43cb129fc6c18c7e21bc0a1d850b1e74101bbb95d8c5bd3c0
SHA512

704503ceaef70125d52e42cc75cf5dad0c05e27564ed67aef5605ade8cce461100c37598c1c798ea7d39e2f6635ca7c1cd9d7f76725d749769b2c5d414c7c34b

Score

10^/10

formbook rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

C2

http://www.fabricwarehousebrla.com/mjf5/

Decoy

scxmarine.com

4week-keto-results.com

alllivesmattertojesus.info

stoxets.com

psm-gen.com

u2collect.com

steveandgail.com

dgemediagroup.com

ragsxghi.com

hirobasushinv.com

fcvlamingo.com

thebrownseaproject.com

achalaproductions.com

unstoppableinvesting.com

epay12303.com

polenmoda.com

pgpitagi.com

picksfacts.com

allhubph.com

negociandocomvocebr.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

CustAttr .NET packer 1 IoCs

Detects CustAttr .NET packer in memory.

Processes:

resource	yara_rule
behavioral2/memory/652-121-0x0000000002580000-0x000000000258B000-memory.dmp	CustAttr

Formbook Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/2544-125-0x000000000041EDB0-mapping.dmp	formbook
behavioral2/memory/2544-124-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/8-131-0x0000000002F40000-0x0000000002F6E000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

Processes:

REVISED INVOICE.exeREVISED INVOICE.exemstsc.exe

description	pid	process	target process
PID 652 set thread context of 2544	652	REVISED INVOICE.exe	REVISED INVOICE.exe
PID 2544 set thread context of 2724	2544	REVISED INVOICE.exe	Explorer.EXE
PID 8 set thread context of 2724	8	mstsc.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 38 IoCs

Processes:

REVISED INVOICE.exemstsc.exe

pid	process
2544	REVISED INVOICE.exe
2544	REVISED INVOICE.exe
2544	REVISED INVOICE.exe
2544	REVISED INVOICE.exe
8	mstsc.exe
8	mstsc.exe
8	mstsc.exe
8	mstsc.exe
8	mstsc.exe
8	mstsc.exe
8	mstsc.exe
8	mstsc.exe
8	mstsc.exe
8	mstsc.exe
8	mstsc.exe
8	mstsc.exe
8	mstsc.exe
8	mstsc.exe
8	mstsc.exe
8	mstsc.exe
8	mstsc.exe
8	mstsc.exe
8	mstsc.exe
8	mstsc.exe
8	mstsc.exe
8	mstsc.exe
8	mstsc.exe
8	mstsc.exe
8	mstsc.exe
8	mstsc.exe
8	mstsc.exe
8	mstsc.exe
8	mstsc.exe
8	mstsc.exe
8	mstsc.exe
8	mstsc.exe
8	mstsc.exe
8	mstsc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2724 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

REVISED INVOICE.exemstsc.exe

pid process

2544 REVISED INVOICE.exe
2544 REVISED INVOICE.exe
2544 REVISED INVOICE.exe
8 mstsc.exe
8 mstsc.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

REVISED INVOICE.exemstsc.exe

description pid process

Token: SeDebugPrivilege 2544 REVISED INVOICE.exe
Token: SeDebugPrivilege 8 mstsc.exe
Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

2724 Explorer.EXE

pid	process
2724	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	2544	REVISED INVOICE.exe
Token: SeDebugPrivilege	8	mstsc.exe

pid	process
2724	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

REVISED INVOICE.exeExplorer.EXEmstsc.exe

description	pid	process	target process
PID 652 wrote to memory of 2544	652	REVISED INVOICE.exe	REVISED INVOICE.exe
PID 652 wrote to memory of 2544	652	REVISED INVOICE.exe	REVISED INVOICE.exe
PID 652 wrote to memory of 2544	652	REVISED INVOICE.exe	REVISED INVOICE.exe
PID 652 wrote to memory of 2544	652	REVISED INVOICE.exe	REVISED INVOICE.exe
PID 652 wrote to memory of 2544	652	REVISED INVOICE.exe	REVISED INVOICE.exe
PID 652 wrote to memory of 2544	652	REVISED INVOICE.exe	REVISED INVOICE.exe
PID 2724 wrote to memory of 8	2724	Explorer.EXE	mstsc.exe
PID 2724 wrote to memory of 8	2724	Explorer.EXE	mstsc.exe
PID 2724 wrote to memory of 8	2724	Explorer.EXE	mstsc.exe
PID 8 wrote to memory of 1188	8	mstsc.exe	cmd.exe
PID 8 wrote to memory of 1188	8	mstsc.exe	cmd.exe
PID 8 wrote to memory of 1188	8	mstsc.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2724

C:\Users\Admin\AppData\Local\Temp\REVISED INVOICE.exe
"C:\Users\Admin\AppData\Local\Temp\REVISED INVOICE.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:652

C:\Users\Admin\AppData\Local\Temp\REVISED INVOICE.exe
"C:\Users\Admin\AppData\Local\Temp\REVISED INVOICE.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2544

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:8

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\REVISED INVOICE.exe"
3⤵
PID:1188

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/8-129-0x0000000000000000-mapping.dmp

Download
memory/8-134-0x0000000004840000-0x00000000048D3000-memory.dmp

Filesize
588KB

Download
memory/8-133-0x0000000004A40000-0x0000000004D60000-memory.dmp

Filesize
3.1MB

Download
memory/8-130-0x0000000000360000-0x000000000065C000-memory.dmp

Filesize
3.0MB

Download
memory/8-131-0x0000000002F40000-0x0000000002F6E000-memory.dmp

Filesize
184KB

Download
memory/652-120-0x0000000004C50000-0x000000000514E000-memory.dmp

Filesize
5.0MB

Download
memory/652-119-0x0000000004CA0000-0x0000000004CA1000-memory.dmp

Filesize
4KB

Download
memory/652-122-0x00000000072E0000-0x000000000735A000-memory.dmp

Filesize
488KB

Download
memory/652-123-0x0000000007360000-0x0000000007395000-memory.dmp

Filesize
212KB

Download
memory/652-121-0x0000000002580000-0x000000000258B000-memory.dmp

Filesize
44KB

Download
memory/652-116-0x0000000005150000-0x0000000005151000-memory.dmp

Filesize
4KB

Download
memory/652-117-0x0000000004CF0000-0x0000000004CF1000-memory.dmp

Filesize
4KB

Download
memory/652-118-0x0000000004D90000-0x0000000004D91000-memory.dmp

Filesize
4KB

Download
memory/652-114-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/1188-132-0x0000000000000000-mapping.dmp

Download
memory/2544-125-0x000000000041EDB0-mapping.dmp

Download
memory/2544-126-0x0000000000FA0000-0x00000000012C0000-memory.dmp

Filesize
3.1MB

Download
memory/2544-127-0x00000000012C0000-0x00000000012D4000-memory.dmp

Filesize
80KB

Download
memory/2544-124-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2724-128-0x0000000006A70000-0x0000000006BF6000-memory.dmp

Filesize
1.5MB

Download
memory/2724-135-0x00000000065E0000-0x0000000006773000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads