formbook | 41469a749da51e8aa7e1ea159041bf74f712dd4f23f076188f547ee0c0f7933f

General

Target

Racun je u prilogu.exe
Size

710KB
MD5

079787bc91a1990b5e57903253c822f4
SHA1

c6fede48ee4b3839b12a46b1c1e72e602cc7748b
SHA256

41469a749da51e8aa7e1ea159041bf74f712dd4f23f076188f547ee0c0f7933f
SHA512

4a9062963f9dba25dc3f19db11d3c2d5bbae7554d98b24fbf6f5a1a6d6320376fd838cdeae0c15621516f46bfb489e79ac39e03c8ec52a9e45562362c3bd436e

Score

10^/10

formbook 3nop persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

3nop

C2

http://www.jakesplacebarbers.com/3nop/

Decoy

videohm.com

panache-rose.com

alnooncars-kw.com

trueblue2u.com

brussels-cafe.com

ip2c.net

influenzerr.com

rbcoq.com

zzful.com

drainthe.com

sumaholesson.com

cursosaprovados.com

genotecinc.com

dbrulhart.com

theapiarystudios.com

kensyu-kan.com

dkku88.com

tikhyper.com

aztecnort.com

homebrim.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/1112-61-0x0000000000000000-mapping.dmp	formbook
behavioral1/memory/1112-64-0x0000000072480000-0x00000000724AE000-memory.dmp	formbook
behavioral1/memory/1124-72-0x00000000000D0000-0x00000000000FE000-memory.dmp	formbook

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Racun je u prilogu.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Windows\CurrentVersion\Run\Rahqznzb = "C:\\Users\\Public\\Libraries\\Rahqznzb\\bznzqhaR.url"	Racun je u prilogu.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

DpiScaling.exewuapp.exe

description	pid	process	target process
PID 1112 set thread context of 1368	1112	DpiScaling.exe	Explorer.EXE
PID 1124 set thread context of 1368	1124	wuapp.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 28 IoCs

Processes:

DpiScaling.exewuapp.exe

pid	process
1112	DpiScaling.exe
1112	DpiScaling.exe
1124	wuapp.exe
1124	wuapp.exe
1124	wuapp.exe
1124	wuapp.exe
1124	wuapp.exe
1124	wuapp.exe
1124	wuapp.exe
1124	wuapp.exe
1124	wuapp.exe
1124	wuapp.exe
1124	wuapp.exe
1124	wuapp.exe
1124	wuapp.exe
1124	wuapp.exe
1124	wuapp.exe
1124	wuapp.exe
1124	wuapp.exe
1124	wuapp.exe
1124	wuapp.exe
1124	wuapp.exe
1124	wuapp.exe
1124	wuapp.exe
1124	wuapp.exe
1124	wuapp.exe
1124	wuapp.exe
1124	wuapp.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

DpiScaling.exewuapp.exe

pid process

1112 DpiScaling.exe
1112 DpiScaling.exe
1112 DpiScaling.exe
1124 wuapp.exe
1124 wuapp.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

DpiScaling.exewuapp.exe

description pid process

Token: SeDebugPrivilege 1112 DpiScaling.exe
Token: SeDebugPrivilege 1124 wuapp.exe

description	pid	process
Token: SeDebugPrivilege	1112	DpiScaling.exe
Token: SeDebugPrivilege	1124	wuapp.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

Racun je u prilogu.exeExplorer.EXEwuapp.exe

description	pid	process	target process
PID 524 wrote to memory of 1112	524	Racun je u prilogu.exe	DpiScaling.exe
PID 524 wrote to memory of 1112	524	Racun je u prilogu.exe	DpiScaling.exe
PID 524 wrote to memory of 1112	524	Racun je u prilogu.exe	DpiScaling.exe
PID 524 wrote to memory of 1112	524	Racun je u prilogu.exe	DpiScaling.exe
PID 524 wrote to memory of 1112	524	Racun je u prilogu.exe	DpiScaling.exe
PID 524 wrote to memory of 1112	524	Racun je u prilogu.exe	DpiScaling.exe
PID 524 wrote to memory of 1112	524	Racun je u prilogu.exe	DpiScaling.exe
PID 1368 wrote to memory of 1124	1368	Explorer.EXE	wuapp.exe
PID 1368 wrote to memory of 1124	1368	Explorer.EXE	wuapp.exe
PID 1368 wrote to memory of 1124	1368	Explorer.EXE	wuapp.exe
PID 1368 wrote to memory of 1124	1368	Explorer.EXE	wuapp.exe
PID 1368 wrote to memory of 1124	1368	Explorer.EXE	wuapp.exe
PID 1368 wrote to memory of 1124	1368	Explorer.EXE	wuapp.exe
PID 1368 wrote to memory of 1124	1368	Explorer.EXE	wuapp.exe
PID 1124 wrote to memory of 1004	1124	wuapp.exe	cmd.exe
PID 1124 wrote to memory of 1004	1124	wuapp.exe	cmd.exe
PID 1124 wrote to memory of 1004	1124	wuapp.exe	cmd.exe
PID 1124 wrote to memory of 1004	1124	wuapp.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1368

C:\Users\Admin\AppData\Local\Temp\Racun je u prilogu.exe
"C:\Users\Admin\AppData\Local\Temp\Racun je u prilogu.exe"
2⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:524

C:\Windows\SysWOW64\DpiScaling.exe
C:\Windows\System32\DpiScaling.exe
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1112

C:\Windows\SysWOW64\wuapp.exe
"C:\Windows\SysWOW64\wuapp.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1124

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\DpiScaling.exe"
3⤵
PID:1004

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/524-55-0x0000000075461000-0x0000000075463000-memory.dmp

Filesize
8KB

Download
memory/524-56-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/524-57-0x00000000003D1000-0x00000000003E5000-memory.dmp

Filesize
80KB

Download
memory/1004-70-0x0000000000000000-mapping.dmp

Download
memory/1112-59-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/1112-61-0x0000000000000000-mapping.dmp

Download
memory/1112-64-0x0000000072480000-0x00000000724AE000-memory.dmp

Filesize
184KB

Download
memory/1112-63-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/1112-67-0x0000000000210000-0x0000000000224000-memory.dmp

Filesize
80KB

Download
memory/1112-66-0x0000000002040000-0x0000000002343000-memory.dmp

Filesize
3.0MB

Download
memory/1112-58-0x0000000072480000-0x00000000724AE000-memory.dmp

Filesize
184KB

Download
memory/1124-69-0x0000000000000000-mapping.dmp

Download
memory/1124-71-0x0000000000990000-0x000000000099B000-memory.dmp

Filesize
44KB

Download
memory/1124-72-0x00000000000D0000-0x00000000000FE000-memory.dmp

Filesize
184KB

Download
memory/1124-73-0x0000000001F30000-0x0000000002233000-memory.dmp

Filesize
3.0MB

Download
memory/1124-74-0x0000000001DA0000-0x0000000001E33000-memory.dmp

Filesize
588KB

Download
memory/1368-68-0x00000000039B0000-0x0000000003A69000-memory.dmp

Filesize
740KB

Download
memory/1368-75-0x0000000006930000-0x0000000006A07000-memory.dmp

Filesize
860KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads