formbook | 7a47a855968f4e82d6cc2d35186d2d56468701bc5587cc87f82a847bd2c45ae5

General

Target

PI_JAN9071011998_BARYSLpdf.exe
Size

941KB
MD5

31dddef6168b1d0e0f731f01eca9ea58
SHA1

bd1e997473e71ae2e8021298149b692cb84aab54
SHA256

7a47a855968f4e82d6cc2d35186d2d56468701bc5587cc87f82a847bd2c45ae5
SHA512

de6ceb15b960f8b6ab95438b04495974c200086447b4b4d91401af936105a2bf66888913e16ba1ffb7a171aa1de0a7fabb6f02979362a3bef978f011571b8ebb

Score

10^/10

formbook rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

C2

http://www.thedilleyo.com/kb8/

Decoy

goodsforbuilders.com

dafuhe.com

parapharmacity.com

montclairymcamotionvibe.com

jamesmccloudart.com

reignfallentertainment.com

couplesforequality.com

pitchbop.com

minipresspaperco.com

venoam.com

so-paradise.com

surgeryprovider.com

donaldscareers.com

disney-funlife.com

biosolo.net

themodsmith.net

grandhawaiian.com

11mountains.com

immatesearch.com

stochastichq.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/1588-7-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/1588-8-0x000000000041EB70-mapping.dmp	formbook
behavioral1/memory/396-9-0x0000000000000000-mapping.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1472 cmd.exe

pid	process
1472	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

PI_JAN9071011998_BARYSLpdf.exePI_JAN9071011998_BARYSLpdf.exeNETSTAT.EXE

description	pid	process	target process
PID 848 set thread context of 1588	848	PI_JAN9071011998_BARYSLpdf.exe	PI_JAN9071011998_BARYSLpdf.exe
PID 1588 set thread context of 1244	1588	PI_JAN9071011998_BARYSLpdf.exe	Explorer.EXE
PID 396 set thread context of 1244	396	NETSTAT.EXE	Explorer.EXE

Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.

System Information Discovery
T1082

Command-Line Interface
T1059

Processes:

NETSTAT.EXE

pid process

396 NETSTAT.EXE

pid	process
396	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 24 IoCs

Processes:

PI_JAN9071011998_BARYSLpdf.exeNETSTAT.EXE

pid	process
1588	PI_JAN9071011998_BARYSLpdf.exe
1588	PI_JAN9071011998_BARYSLpdf.exe
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE
396	NETSTAT.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

PI_JAN9071011998_BARYSLpdf.exeNETSTAT.EXE

pid process

1588 PI_JAN9071011998_BARYSLpdf.exe
1588 PI_JAN9071011998_BARYSLpdf.exe
1588 PI_JAN9071011998_BARYSLpdf.exe
396 NETSTAT.EXE
396 NETSTAT.EXE
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PI_JAN9071011998_BARYSLpdf.exeNETSTAT.EXE

description pid process

Token: SeDebugPrivilege 1588 PI_JAN9071011998_BARYSLpdf.exe
Token: SeDebugPrivilege 396 NETSTAT.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	1588	PI_JAN9071011998_BARYSLpdf.exe
Token: SeDebugPrivilege	396	NETSTAT.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:

PI_JAN9071011998_BARYSLpdf.exeExplorer.EXENETSTAT.EXE

description	pid	process	target process
PID 848 wrote to memory of 1588	848	PI_JAN9071011998_BARYSLpdf.exe	PI_JAN9071011998_BARYSLpdf.exe
PID 848 wrote to memory of 1588	848	PI_JAN9071011998_BARYSLpdf.exe	PI_JAN9071011998_BARYSLpdf.exe
PID 848 wrote to memory of 1588	848	PI_JAN9071011998_BARYSLpdf.exe	PI_JAN9071011998_BARYSLpdf.exe
PID 848 wrote to memory of 1588	848	PI_JAN9071011998_BARYSLpdf.exe	PI_JAN9071011998_BARYSLpdf.exe
PID 848 wrote to memory of 1588	848	PI_JAN9071011998_BARYSLpdf.exe	PI_JAN9071011998_BARYSLpdf.exe
PID 848 wrote to memory of 1588	848	PI_JAN9071011998_BARYSLpdf.exe	PI_JAN9071011998_BARYSLpdf.exe
PID 848 wrote to memory of 1588	848	PI_JAN9071011998_BARYSLpdf.exe	PI_JAN9071011998_BARYSLpdf.exe
PID 1244 wrote to memory of 396	1244	Explorer.EXE	NETSTAT.EXE
PID 1244 wrote to memory of 396	1244	Explorer.EXE	NETSTAT.EXE
PID 1244 wrote to memory of 396	1244	Explorer.EXE	NETSTAT.EXE
PID 1244 wrote to memory of 396	1244	Explorer.EXE	NETSTAT.EXE
PID 396 wrote to memory of 1472	396	NETSTAT.EXE	cmd.exe
PID 396 wrote to memory of 1472	396	NETSTAT.EXE	cmd.exe
PID 396 wrote to memory of 1472	396	NETSTAT.EXE	cmd.exe
PID 396 wrote to memory of 1472	396	NETSTAT.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\PI_JAN9071011998_BARYSLpdf.exe
"C:\Users\Admin\AppData\Local\Temp\PI_JAN9071011998_BARYSLpdf.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:848

C:\Users\Admin\AppData\Local\Temp\PI_JAN9071011998_BARYSLpdf.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1588

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1676

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1812

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:764

C:\Windows\SysWOW64\NETSTAT.EXE
"C:\Windows\SysWOW64\NETSTAT.EXE"
2⤵
- Suspicious use of SetThreadContext
- Gathers network information
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:396

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\PI_JAN9071011998_BARYSLpdf.exe"
3⤵
- Deletes itself
PID:1472

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Command-Line Interface

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/396-9-0x0000000000000000-mapping.dmp

Download
memory/396-10-0x0000000000E90000-0x0000000000E99000-memory.dmp

Filesize
36KB

Download
memory/396-12-0x0000000003180000-0x0000000003262000-memory.dmp

Filesize
904KB

Download
memory/848-2-0x00000000748D0000-0x0000000074FBE000-memory.dmp

Filesize
6.9MB

Download
memory/848-3-0x0000000000800000-0x0000000000801000-memory.dmp

Filesize
4KB

Download
memory/848-5-0x0000000000290000-0x000000000029E000-memory.dmp

Filesize
56KB

Download
memory/848-6-0x0000000002140000-0x000000000218C000-memory.dmp

Filesize
304KB

Download
memory/1472-11-0x0000000000000000-mapping.dmp

Download
memory/1588-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1588-8-0x000000000041EB70-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads