formbook | 88a9cfa636128b92a40156cdabb79f0058c7cf70bc392e60a9e8ec6c1090e6cf

General

Target

Proforma Invoice No.42037 dated 26032021 for USD.78116.pdf.exe
Size

1.2MB
MD5

8c64b248212fd63f7c0cfdca16b6b5aa
SHA1

1ae15b049c1059d1e43ae5851005f50826c0d0b2
SHA256

88a9cfa636128b92a40156cdabb79f0058c7cf70bc392e60a9e8ec6c1090e6cf
SHA512

79581d25d4f35e1ae175f9b62789e1e8cf48b003f7f903a7a794aa85e43e2c8b73c890346f1608cdc13b9d6d42f4078184ee70709876e1dbfddd3c077a58cb0b

Score

10^/10

formbook rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

C2

http://www.elitegamerblog.com/gsg0/

Decoy

telprix.com

multiremates.com

heytiday.com

toporganik.com

tutorincranleigh.com

oakandolivemalibu.com

ronaldvalentine.com

waytopshop.com

mythai-massage.com

matrixresults.com

teamwork256.com

qqemas.men

qnmark.com

rock-singer.com

mobiledevpros.com

miramar-agents.com

desjour.com

edensplace.net

ryanrafuls.com

xg8197.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

CustAttr .NET packer 1 IoCs

Detects CustAttr .NET packer in memory.

Processes:

resource	yara_rule
behavioral1/memory/760-62-0x00000000002E0000-0x00000000002EB000-memory.dmp	CustAttr

Formbook Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1796-65-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/1796-66-0x000000000041EB40-mapping.dmp	formbook
behavioral1/memory/1452-73-0x0000000000070000-0x000000000009E000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

692 cmd.exe

pid	process
692	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Proforma Invoice No.42037 dated 26032021 for USD.78116.pdf.exeProforma Invoice No.42037 dated 26032021 for USD.78116.pdf.execscript.exe

description	pid	process	target process
PID 760 set thread context of 1796	760	Proforma Invoice No.42037 dated 26032021 for USD.78116.pdf.exe	Proforma Invoice No.42037 dated 26032021 for USD.78116.pdf.exe
PID 1796 set thread context of 1200	1796	Proforma Invoice No.42037 dated 26032021 for USD.78116.pdf.exe	Explorer.EXE
PID 1452 set thread context of 1200	1452	cscript.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

Proforma Invoice No.42037 dated 26032021 for USD.78116.pdf.execscript.exe

pid	process
1796	Proforma Invoice No.42037 dated 26032021 for USD.78116.pdf.exe
1796	Proforma Invoice No.42037 dated 26032021 for USD.78116.pdf.exe
1452	cscript.exe
1452	cscript.exe
1452	cscript.exe
1452	cscript.exe
1452	cscript.exe
1452	cscript.exe
1452	cscript.exe
1452	cscript.exe
1452	cscript.exe
1452	cscript.exe
1452	cscript.exe
1452	cscript.exe
1452	cscript.exe
1452	cscript.exe
1452	cscript.exe
1452	cscript.exe
1452	cscript.exe
1452	cscript.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

Proforma Invoice No.42037 dated 26032021 for USD.78116.pdf.execscript.exe

pid	process
1796	Proforma Invoice No.42037 dated 26032021 for USD.78116.pdf.exe
1796	Proforma Invoice No.42037 dated 26032021 for USD.78116.pdf.exe
1796	Proforma Invoice No.42037 dated 26032021 for USD.78116.pdf.exe
1452	cscript.exe
1452	cscript.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Proforma Invoice No.42037 dated 26032021 for USD.78116.pdf.execscript.exe

description pid process

Token: SeDebugPrivilege 1796 Proforma Invoice No.42037 dated 26032021 for USD.78116.pdf.exe
Token: SeDebugPrivilege 1452 cscript.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1200 Explorer.EXE
1200 Explorer.EXE
1200 Explorer.EXE
1200 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1200 Explorer.EXE
1200 Explorer.EXE
1200 Explorer.EXE
1200 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1796	Proforma Invoice No.42037 dated 26032021 for USD.78116.pdf.exe
Token: SeDebugPrivilege	1452	cscript.exe

pid	process
1200	Explorer.EXE
1200	Explorer.EXE
1200	Explorer.EXE
1200	Explorer.EXE

pid	process
1200	Explorer.EXE
1200	Explorer.EXE
1200	Explorer.EXE
1200	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

Proforma Invoice No.42037 dated 26032021 for USD.78116.pdf.exeExplorer.EXEcscript.exe

description	pid	process	target process
PID 760 wrote to memory of 1796	760	Proforma Invoice No.42037 dated 26032021 for USD.78116.pdf.exe	Proforma Invoice No.42037 dated 26032021 for USD.78116.pdf.exe
PID 760 wrote to memory of 1796	760	Proforma Invoice No.42037 dated 26032021 for USD.78116.pdf.exe	Proforma Invoice No.42037 dated 26032021 for USD.78116.pdf.exe
PID 760 wrote to memory of 1796	760	Proforma Invoice No.42037 dated 26032021 for USD.78116.pdf.exe	Proforma Invoice No.42037 dated 26032021 for USD.78116.pdf.exe
PID 760 wrote to memory of 1796	760	Proforma Invoice No.42037 dated 26032021 for USD.78116.pdf.exe	Proforma Invoice No.42037 dated 26032021 for USD.78116.pdf.exe
PID 760 wrote to memory of 1796	760	Proforma Invoice No.42037 dated 26032021 for USD.78116.pdf.exe	Proforma Invoice No.42037 dated 26032021 for USD.78116.pdf.exe
PID 760 wrote to memory of 1796	760	Proforma Invoice No.42037 dated 26032021 for USD.78116.pdf.exe	Proforma Invoice No.42037 dated 26032021 for USD.78116.pdf.exe
PID 760 wrote to memory of 1796	760	Proforma Invoice No.42037 dated 26032021 for USD.78116.pdf.exe	Proforma Invoice No.42037 dated 26032021 for USD.78116.pdf.exe
PID 1200 wrote to memory of 1452	1200	Explorer.EXE	cscript.exe
PID 1200 wrote to memory of 1452	1200	Explorer.EXE	cscript.exe
PID 1200 wrote to memory of 1452	1200	Explorer.EXE	cscript.exe
PID 1200 wrote to memory of 1452	1200	Explorer.EXE	cscript.exe
PID 1452 wrote to memory of 692	1452	cscript.exe	cmd.exe
PID 1452 wrote to memory of 692	1452	cscript.exe	cmd.exe
PID 1452 wrote to memory of 692	1452	cscript.exe	cmd.exe
PID 1452 wrote to memory of 692	1452	cscript.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:1200

C:\Users\Admin\AppData\Local\Temp\Proforma Invoice No.42037 dated 26032021 for USD.78116.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Proforma Invoice No.42037 dated 26032021 for USD.78116.pdf.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:760

C:\Users\Admin\AppData\Local\Temp\Proforma Invoice No.42037 dated 26032021 for USD.78116.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Proforma Invoice No.42037 dated 26032021 for USD.78116.pdf.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1796

C:\Windows\SysWOW64\cscript.exe
"C:\Windows\SysWOW64\cscript.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1452

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Proforma Invoice No.42037 dated 26032021 for USD.78116.pdf.exe"
3⤵
- Deletes itself
PID:692

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/692-71-0x0000000000000000-mapping.dmp

Download
memory/760-61-0x0000000002180000-0x0000000002181000-memory.dmp

Filesize
4KB

Download
memory/760-62-0x00000000002E0000-0x00000000002EB000-memory.dmp

Filesize
44KB

Download
memory/760-63-0x0000000005060000-0x00000000050DA000-memory.dmp

Filesize
488KB

Download
memory/760-64-0x00000000050E0000-0x0000000005115000-memory.dmp

Filesize
212KB

Download
memory/760-59-0x00000000009F0000-0x00000000009F1000-memory.dmp

Filesize
4KB

Download
memory/1200-69-0x0000000004ED0000-0x0000000004FF6000-memory.dmp

Filesize
1.1MB

Download
memory/1200-76-0x00000000039D0000-0x0000000003A66000-memory.dmp

Filesize
600KB

Download
memory/1452-72-0x0000000000B20000-0x0000000000B42000-memory.dmp

Filesize
136KB

Download
memory/1452-70-0x0000000000000000-mapping.dmp

Download
memory/1452-73-0x0000000000070000-0x000000000009E000-memory.dmp

Filesize
184KB

Download
memory/1452-74-0x0000000001F50000-0x0000000002253000-memory.dmp

Filesize
3.0MB

Download
memory/1452-75-0x0000000002300000-0x0000000002393000-memory.dmp

Filesize
588KB

Download
memory/1796-68-0x00000000001D0000-0x00000000001E4000-memory.dmp

Filesize
80KB

Download
memory/1796-67-0x0000000000B40000-0x0000000000E43000-memory.dmp

Filesize
3.0MB

Download
memory/1796-66-0x000000000041EB40-mapping.dmp

Download
memory/1796-65-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads