formbook | c888b41f2a50528acc77e8975b00997b2340ccc770395c32bebabc329cd07901

General

Target

RFQ ITALY.exe
Size

339KB
MD5

3d352883f99e989706cf2dd5c282b1bc
SHA1

9fdebf8594c52b23ee132454bd3e9882e0f93cd1
SHA256

24faef493cc61205b4f7f963641879ab92f06686932338163f905a82fb68b72d
SHA512

311293aa8077e48282e13d2f51232106b84253d9a2fc80e19f4d9d40b5df00964ed8327a07874453b9f128164813c8ed8cb5a5d027e79224df0254df18590602

Score

10^/10

formbook q5e rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

q5e

Decoy

2177.ltd

thanxiety.com

max-width.com

fixti.net

mostmaj.com

mobilteknolojiuzmani.com

historyannals.com

wheelchairmotion.com

mossandmoonstonestudio.com

kastellifournis.com

axokey.net

peekl.com

metsteeshirt.com

abcfinancial-inc.com

btxrsp.com

amydh.com

ccoauthority.com

lumacorretora.com

kimfelixrealtor.com

iconext.biz

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/2244-131-0x0000000002CC0000-0x0000000002DC0000-memory.dmp	formbook
behavioral2/memory/2244-133-0x0000000002CC1000-0x0000000002D16000-memory.dmp	formbook
behavioral2/memory/2576-139-0x0000000001200000-0x000000000122D000-memory.dmp	formbook

Suspicious use of SetThreadContext 2 IoCs

Processes:

RFQ ITALY.exechkdsk.exe

description	pid	process	target process
PID 2244 set thread context of 2040	2244	RFQ ITALY.exe	Explorer.EXE
PID 2576 set thread context of 2040	2576	chkdsk.exe	Explorer.EXE

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

chkdsk.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier chkdsk.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

Processes:

RFQ ITALY.exechkdsk.exe

pid	process
2244	RFQ ITALY.exe
2244	RFQ ITALY.exe
2244	RFQ ITALY.exe
2244	RFQ ITALY.exe
2576	chkdsk.exe
2576	chkdsk.exe
2576	chkdsk.exe
2576	chkdsk.exe
2576	chkdsk.exe
2576	chkdsk.exe
2576	chkdsk.exe
2576	chkdsk.exe
2576	chkdsk.exe
2576	chkdsk.exe
2576	chkdsk.exe
2576	chkdsk.exe
2576	chkdsk.exe
2576	chkdsk.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

RFQ ITALY.exechkdsk.exe

pid process

2244 RFQ ITALY.exe
2244 RFQ ITALY.exe
2244 RFQ ITALY.exe
2576 chkdsk.exe
2576 chkdsk.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

RFQ ITALY.exechkdsk.exe

description pid process

Token: SeDebugPrivilege 2244 RFQ ITALY.exe
Token: SeDebugPrivilege 2576 chkdsk.exe

description	pid	process
Token: SeDebugPrivilege	2244	RFQ ITALY.exe
Token: SeDebugPrivilege	2576	chkdsk.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

Explorer.EXEchkdsk.exe

description	pid	process	target process
PID 2040 wrote to memory of 2576	2040	Explorer.EXE	chkdsk.exe
PID 2040 wrote to memory of 2576	2040	Explorer.EXE	chkdsk.exe
PID 2040 wrote to memory of 2576	2040	Explorer.EXE	chkdsk.exe
PID 2576 wrote to memory of 4176	2576	chkdsk.exe	cmd.exe
PID 2576 wrote to memory of 4176	2576	chkdsk.exe	cmd.exe
PID 2576 wrote to memory of 4176	2576	chkdsk.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:2040

C:\Users\Admin\AppData\Local\Temp\RFQ ITALY.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ ITALY.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2244

C:\Windows\SysWOW64\chkdsk.exe
"C:\Windows\SysWOW64\chkdsk.exe"
2⤵
- Suspicious use of SetThreadContext
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2576

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\RFQ ITALY.exe"
3⤵
PID:4176

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/2040-135-0x00000000080B0000-0x000000000816C000-memory.dmp

Filesize
752KB

Download
memory/2040-142-0x0000000008170000-0x0000000008229000-memory.dmp

Filesize
740KB

Download
memory/2244-131-0x0000000002CC0000-0x0000000002DC0000-memory.dmp

Filesize
1024KB

Download
memory/2244-132-0x0000000003170000-0x00000000034BA000-memory.dmp

Filesize
3.3MB

Download
memory/2244-133-0x0000000002CC1000-0x0000000002D16000-memory.dmp

Filesize
340KB

Download
memory/2244-134-0x00000000030C0000-0x00000000030D4000-memory.dmp

Filesize
80KB

Download
memory/2576-136-0x0000000000000000-mapping.dmp

Download
memory/2576-139-0x0000000001200000-0x000000000122D000-memory.dmp

Filesize
180KB

Download
memory/2576-138-0x0000000000D00000-0x0000000000D0A000-memory.dmp

Filesize
40KB

Download
memory/2576-140-0x00000000019B0000-0x0000000001CFA000-memory.dmp

Filesize
3.3MB

Download
memory/2576-141-0x00000000017F0000-0x0000000001883000-memory.dmp

Filesize
588KB

Download
memory/4176-137-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads