formbook | cf63918e0cb789a778c7eac7c1b5d896db35caa3fa9fd179b95a4101f5856af7

General

Target

Project review_Pdf.exe
Size

887KB
MD5

75cdd33d69536dd19e8d0d1bf70a6407
SHA1

5c15819e25ad22325097863803a639ab205d17e2
SHA256

cf63918e0cb789a778c7eac7c1b5d896db35caa3fa9fd179b95a4101f5856af7
SHA512

732a9f7d96fd1c3ed500bda65ae02a1a04c774d409d4dab853b1c10145af10c3a81691cecb085d4925ca0c596ce2a6892ba14291427128a21768f657066fe417

Score

10^/10

formbook rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

C2

http://www.workonlinetimallen.com/dll/

Decoy

nyeconcreations.com

generar-k.com

refugiodelmate.com

elementclubhouse.com

freescorrs.xyz

tonesweettone.com

lojachicco.com

cyberxchange.net

strobelsolutions.com

tipsytravelerbar.com

shesheofnewyork.com

jdallmed.com

woefys.online

naviwatch.net

yuelvzuche.com

thehoneysuppliers.site

smokindeebflavors.com

preventvaccins.com

thepraisehouse.com

lgbtpridedirectory.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/852-7-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/852-8-0x000000000041EBD0-mapping.dmp	formbook
behavioral1/memory/1668-9-0x0000000000000000-mapping.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1072 cmd.exe

pid	process
1072	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Project review_Pdf.exeProject review_Pdf.exechkdsk.exe

description	pid	process	target process
PID 1824 set thread context of 852	1824	Project review_Pdf.exe	Project review_Pdf.exe
PID 852 set thread context of 1244	852	Project review_Pdf.exe	Explorer.EXE
PID 1668 set thread context of 1244	1668	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 20 IoCs

Processes:

Project review_Pdf.exechkdsk.exe

pid	process
852	Project review_Pdf.exe
852	Project review_Pdf.exe
1668	chkdsk.exe
1668	chkdsk.exe
1668	chkdsk.exe
1668	chkdsk.exe
1668	chkdsk.exe
1668	chkdsk.exe
1668	chkdsk.exe
1668	chkdsk.exe
1668	chkdsk.exe
1668	chkdsk.exe
1668	chkdsk.exe
1668	chkdsk.exe
1668	chkdsk.exe
1668	chkdsk.exe
1668	chkdsk.exe
1668	chkdsk.exe
1668	chkdsk.exe
1668	chkdsk.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

Project review_Pdf.exechkdsk.exe

pid process

852 Project review_Pdf.exe
852 Project review_Pdf.exe
852 Project review_Pdf.exe
1668 chkdsk.exe
1668 chkdsk.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Project review_Pdf.exechkdsk.exe

description pid process

Token: SeDebugPrivilege 852 Project review_Pdf.exe
Token: SeDebugPrivilege 1668 chkdsk.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1244 Explorer.EXE
1244 Explorer.EXE
1244 Explorer.EXE
1244 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1244 Explorer.EXE
1244 Explorer.EXE
1244 Explorer.EXE
1244 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	852	Project review_Pdf.exe
Token: SeDebugPrivilege	1668	chkdsk.exe

pid	process
1244	Explorer.EXE
1244	Explorer.EXE
1244	Explorer.EXE
1244	Explorer.EXE

pid	process
1244	Explorer.EXE
1244	Explorer.EXE
1244	Explorer.EXE
1244	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

Project review_Pdf.exeExplorer.EXEchkdsk.exe

description	pid	process	target process
PID 1824 wrote to memory of 852	1824	Project review_Pdf.exe	Project review_Pdf.exe
PID 1824 wrote to memory of 852	1824	Project review_Pdf.exe	Project review_Pdf.exe
PID 1824 wrote to memory of 852	1824	Project review_Pdf.exe	Project review_Pdf.exe
PID 1824 wrote to memory of 852	1824	Project review_Pdf.exe	Project review_Pdf.exe
PID 1824 wrote to memory of 852	1824	Project review_Pdf.exe	Project review_Pdf.exe
PID 1824 wrote to memory of 852	1824	Project review_Pdf.exe	Project review_Pdf.exe
PID 1824 wrote to memory of 852	1824	Project review_Pdf.exe	Project review_Pdf.exe
PID 1244 wrote to memory of 1668	1244	Explorer.EXE	chkdsk.exe
PID 1244 wrote to memory of 1668	1244	Explorer.EXE	chkdsk.exe
PID 1244 wrote to memory of 1668	1244	Explorer.EXE	chkdsk.exe
PID 1244 wrote to memory of 1668	1244	Explorer.EXE	chkdsk.exe
PID 1668 wrote to memory of 1072	1668	chkdsk.exe	cmd.exe
PID 1668 wrote to memory of 1072	1668	chkdsk.exe	cmd.exe
PID 1668 wrote to memory of 1072	1668	chkdsk.exe	cmd.exe
PID 1668 wrote to memory of 1072	1668	chkdsk.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:1244

C:\Users\Admin\AppData\Local\Temp\Project review_Pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Project review_Pdf.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1824

C:\Users\Admin\AppData\Local\Temp\Project review_Pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Project review_Pdf.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:852

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:1668

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Project review_Pdf.exe"
3⤵
- Deletes itself
PID:1072

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/852-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/852-8-0x000000000041EBD0-mapping.dmp

Download
memory/1072-11-0x0000000000000000-mapping.dmp

Download
memory/1668-9-0x0000000000000000-mapping.dmp

Download
memory/1668-10-0x0000000000860000-0x0000000000867000-memory.dmp

Filesize
28KB

Download
memory/1668-12-0x0000000001F90000-0x0000000002079000-memory.dmp

Filesize
932KB

Download
memory/1824-2-0x0000000073980000-0x000000007406E000-memory.dmp

Filesize
6.9MB

Download
memory/1824-3-0x00000000012B0000-0x00000000012B1000-memory.dmp

Filesize
4KB

Download
memory/1824-5-0x00000000002C0000-0x00000000002D2000-memory.dmp

Filesize
72KB

Download
memory/1824-6-0x00000000050A0000-0x000000000510D000-memory.dmp

Filesize
436KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads