formbook | bd8a38d06603be4dafa830f2a5faa9f55b3e24cb692314908dc246adad8c8999

General

Target

bd8a38d06603be4dafa830f2a5faa9f55b3e24cb692314908dc246adad8c8999.exe
Size

1.1MB
MD5

c8d850146b27ea87e5242f103088ef2d
SHA1

b7425314a1dd4316e2e7038d8cbf6a0a41804855
SHA256

bd8a38d06603be4dafa830f2a5faa9f55b3e24cb692314908dc246adad8c8999
SHA512

c2eaf840856f613cf7e71dbba6f5112c1b09c40cd3b7328322b27a3092229b125230264f7b2db6360bb285a65290d372ec23e74a91f11a10f3e15c2cef285f02
SSDEEP

24576:eAHnh+eWsN3skA4RV1Hom2KXMmHa6ZAXd/HGOeb7r5:Jh+ZkldoPK8Ya6ZAXd/mlbR

Score

10^/10

formbook as02 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

as02

Decoy

qwin777.com

robinhoods.live

h3jh-dal.pics

braindeadcopywriting.com

kktcbet1000.com

mpo0463.cfd

raboteshoes.com

ab1718.com

lowcrusiers.com

gregcopelandmusic.com

dkfndch.store

firstclassuni.com

00ewu1ub.com

shunweichemical.com

sugarits.com

marqify.com

mistmajik.com

trezip.online

tinytables.xyz

suestergocoaching.com

Signatures

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

Formbook payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1720-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1720-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1720-18-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2628-25-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

Processes:

bd8a38d06603be4dafa830f2a5faa9f55b3e24cb692314908dc246adad8c8999.exesvchost.exechkdsk.exe

description	pid	process	target process
PID 360 set thread context of 1720	360	bd8a38d06603be4dafa830f2a5faa9f55b3e24cb692314908dc246adad8c8999.exe	svchost.exe
PID 1720 set thread context of 1204	1720	svchost.exe	Explorer.EXE
PID 1720 set thread context of 1204	1720	svchost.exe	Explorer.EXE
PID 2628 set thread context of 1204	2628	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 31 IoCs

Processes:

svchost.exechkdsk.exe

pid	process
1720	svchost.exe
1720	svchost.exe
1720	svchost.exe
2628	chkdsk.exe
2628	chkdsk.exe
2628	chkdsk.exe
2628	chkdsk.exe
2628	chkdsk.exe
2628	chkdsk.exe
2628	chkdsk.exe
2628	chkdsk.exe
2628	chkdsk.exe
2628	chkdsk.exe
2628	chkdsk.exe
2628	chkdsk.exe
2628	chkdsk.exe
2628	chkdsk.exe
2628	chkdsk.exe
2628	chkdsk.exe
2628	chkdsk.exe
2628	chkdsk.exe
2628	chkdsk.exe
2628	chkdsk.exe
2628	chkdsk.exe
2628	chkdsk.exe
2628	chkdsk.exe
2628	chkdsk.exe
2628	chkdsk.exe
2628	chkdsk.exe
2628	chkdsk.exe
2628	chkdsk.exe

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

bd8a38d06603be4dafa830f2a5faa9f55b3e24cb692314908dc246adad8c8999.exesvchost.exechkdsk.exe

pid process

360 bd8a38d06603be4dafa830f2a5faa9f55b3e24cb692314908dc246adad8c8999.exe
1720 svchost.exe
1720 svchost.exe
1720 svchost.exe
1720 svchost.exe
2628 chkdsk.exe
2628 chkdsk.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

svchost.exechkdsk.exe

description pid process

Token: SeDebugPrivilege 1720 svchost.exe
Token: SeDebugPrivilege 2628 chkdsk.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

bd8a38d06603be4dafa830f2a5faa9f55b3e24cb692314908dc246adad8c8999.exeExplorer.EXE

pid process

360 bd8a38d06603be4dafa830f2a5faa9f55b3e24cb692314908dc246adad8c8999.exe
360 bd8a38d06603be4dafa830f2a5faa9f55b3e24cb692314908dc246adad8c8999.exe
1204 Explorer.EXE
1204 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

bd8a38d06603be4dafa830f2a5faa9f55b3e24cb692314908dc246adad8c8999.exe

pid process

360 bd8a38d06603be4dafa830f2a5faa9f55b3e24cb692314908dc246adad8c8999.exe
360 bd8a38d06603be4dafa830f2a5faa9f55b3e24cb692314908dc246adad8c8999.exe

pid	process
360	bd8a38d06603be4dafa830f2a5faa9f55b3e24cb692314908dc246adad8c8999.exe
1720	svchost.exe
1720	svchost.exe
1720	svchost.exe
1720	svchost.exe
2628	chkdsk.exe
2628	chkdsk.exe

description	pid	process
Token: SeDebugPrivilege	1720	svchost.exe
Token: SeDebugPrivilege	2628	chkdsk.exe

pid	process
360	bd8a38d06603be4dafa830f2a5faa9f55b3e24cb692314908dc246adad8c8999.exe
360	bd8a38d06603be4dafa830f2a5faa9f55b3e24cb692314908dc246adad8c8999.exe
1204	Explorer.EXE
1204	Explorer.EXE

pid	process
360	bd8a38d06603be4dafa830f2a5faa9f55b3e24cb692314908dc246adad8c8999.exe
360	bd8a38d06603be4dafa830f2a5faa9f55b3e24cb692314908dc246adad8c8999.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

bd8a38d06603be4dafa830f2a5faa9f55b3e24cb692314908dc246adad8c8999.exesvchost.exechkdsk.exe

description	pid	process	target process
PID 360 wrote to memory of 1720	360	bd8a38d06603be4dafa830f2a5faa9f55b3e24cb692314908dc246adad8c8999.exe	svchost.exe
PID 360 wrote to memory of 1720	360	bd8a38d06603be4dafa830f2a5faa9f55b3e24cb692314908dc246adad8c8999.exe	svchost.exe
PID 360 wrote to memory of 1720	360	bd8a38d06603be4dafa830f2a5faa9f55b3e24cb692314908dc246adad8c8999.exe	svchost.exe
PID 360 wrote to memory of 1720	360	bd8a38d06603be4dafa830f2a5faa9f55b3e24cb692314908dc246adad8c8999.exe	svchost.exe
PID 360 wrote to memory of 1720	360	bd8a38d06603be4dafa830f2a5faa9f55b3e24cb692314908dc246adad8c8999.exe	svchost.exe
PID 1720 wrote to memory of 2628	1720	svchost.exe	chkdsk.exe
PID 1720 wrote to memory of 2628	1720	svchost.exe	chkdsk.exe
PID 1720 wrote to memory of 2628	1720	svchost.exe	chkdsk.exe
PID 1720 wrote to memory of 2628	1720	svchost.exe	chkdsk.exe
PID 2628 wrote to memory of 2652	2628	chkdsk.exe	cmd.exe
PID 2628 wrote to memory of 2652	2628	chkdsk.exe	cmd.exe
PID 2628 wrote to memory of 2652	2628	chkdsk.exe	cmd.exe
PID 2628 wrote to memory of 2652	2628	chkdsk.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
PID:1204

C:\Users\Admin\AppData\Local\Temp\bd8a38d06603be4dafa830f2a5faa9f55b3e24cb692314908dc246adad8c8999.exe
"C:\Users\Admin\AppData\Local\Temp\bd8a38d06603be4dafa830f2a5faa9f55b3e24cb692314908dc246adad8c8999.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:360

C:\Windows\SysWOW64\svchost.exe
"C:\Users\Admin\AppData\Local\Temp\bd8a38d06603be4dafa830f2a5faa9f55b3e24cb692314908dc246adad8c8999.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1720

C:\Windows\SysWOW64\chkdsk.exe
"C:\Windows\SysWOW64\chkdsk.exe"
4⤵
- Suspicious use of SetThreadContext
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2628

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\svchost.exe"
5⤵
PID:2652

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Resource Development

Reconnaissance

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Downloads

memory/360-10-0x0000000000130000-0x0000000000134000-memory.dmp

Filesize
16KB

Download
memory/1204-15-0x00000000064F0000-0x0000000006639000-memory.dmp

Filesize
1.3MB

Download
memory/1204-19-0x0000000004E40000-0x0000000004F59000-memory.dmp

Filesize
1.1MB

Download
memory/1204-29-0x0000000006640000-0x000000000676A000-memory.dmp

Filesize
1.2MB

Download
memory/1204-30-0x0000000006640000-0x000000000676A000-memory.dmp

Filesize
1.2MB

Download
memory/1204-33-0x0000000006640000-0x000000000676A000-memory.dmp

Filesize
1.2MB

Download
memory/1720-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1720-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1720-18-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2628-23-0x0000000000E60000-0x0000000000E67000-memory.dmp

Filesize
28KB

Download
memory/2628-24-0x0000000000E60000-0x0000000000E67000-memory.dmp

Filesize
28KB

Download
memory/2628-25-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads