formbook | f73c1a2549b119a5de3964cdcbbdbefbaca205e1f149b4d77688a92285b4d20b

General

Target

Purchase Order_pdf.exe
Size

519KB
MD5

b5e5802e37b01b3aa324090e4fc0af3a
SHA1

ad98482ee1e4c90d5ffc19b3ec4720a332f0800a
SHA256

f73c1a2549b119a5de3964cdcbbdbefbaca205e1f149b4d77688a92285b4d20b
SHA512

53fb3b2ed4552302ad3d24cf437bf8ed95a593fe2242bec5392983e64c1b602d45fca3d71033fbc0113b7fefb4a2f0d67b0d9a66bf5ada7da5c485e1ef64517b

Score

10^/10

formbook xloader loader rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

C2

http://www.chuanxingtong.com/j5an/

Decoy

xwwgj.com

release-paypal.com

investorshighway.com

maglex.info

chenangopistolpermit.com

thebihareye.com

sanjosemasks.com

foremanmotors.com

stadtstreicherin.com

9247pf.com

erenvincplatform.xyz

cushcaps.com

flatisteam.com

kojyouibennto.com

rahmatsuparman.com

vallyfades.online

metropitstop.com

shopasha.com

windycitycreditsolutions.com

uproxysite.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader

Xloader Payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/724-3-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/4404-10-0x0000000000E00000-0x0000000000E29000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

Processes:

Purchase Order_pdf.exePurchase Order_pdf.exenetsh.exe

description	pid	process	target process
PID 4772 set thread context of 724	4772	Purchase Order_pdf.exe	Purchase Order_pdf.exe
PID 724 set thread context of 2576	724	Purchase Order_pdf.exe	Explorer.EXE
PID 4404 set thread context of 2576	4404	netsh.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 60 IoCs

Processes:

Purchase Order_pdf.exenetsh.exe

pid	process
724	Purchase Order_pdf.exe
724	Purchase Order_pdf.exe
724	Purchase Order_pdf.exe
724	Purchase Order_pdf.exe
4404	netsh.exe
4404	netsh.exe
4404	netsh.exe
4404	netsh.exe
4404	netsh.exe
4404	netsh.exe
4404	netsh.exe
4404	netsh.exe
4404	netsh.exe
4404	netsh.exe
4404	netsh.exe
4404	netsh.exe
4404	netsh.exe
4404	netsh.exe
4404	netsh.exe
4404	netsh.exe
4404	netsh.exe
4404	netsh.exe
4404	netsh.exe
4404	netsh.exe
4404	netsh.exe
4404	netsh.exe
4404	netsh.exe
4404	netsh.exe
4404	netsh.exe
4404	netsh.exe
4404	netsh.exe
4404	netsh.exe
4404	netsh.exe
4404	netsh.exe
4404	netsh.exe
4404	netsh.exe
4404	netsh.exe
4404	netsh.exe
4404	netsh.exe
4404	netsh.exe
4404	netsh.exe
4404	netsh.exe
4404	netsh.exe
4404	netsh.exe
4404	netsh.exe
4404	netsh.exe
4404	netsh.exe
4404	netsh.exe
4404	netsh.exe
4404	netsh.exe
4404	netsh.exe
4404	netsh.exe
4404	netsh.exe
4404	netsh.exe
4404	netsh.exe
4404	netsh.exe
4404	netsh.exe
4404	netsh.exe
4404	netsh.exe
4404	netsh.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

Purchase Order_pdf.exePurchase Order_pdf.exenetsh.exe

pid process

4772 Purchase Order_pdf.exe
724 Purchase Order_pdf.exe
724 Purchase Order_pdf.exe
724 Purchase Order_pdf.exe
4404 netsh.exe
4404 netsh.exe

pid	process
4772	Purchase Order_pdf.exe
724	Purchase Order_pdf.exe
724	Purchase Order_pdf.exe
724	Purchase Order_pdf.exe
4404	netsh.exe
4404	netsh.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

Purchase Order_pdf.exeExplorer.EXEnetsh.exe

description	pid	process
Token: SeDebugPrivilege	724	Purchase Order_pdf.exe
Token: SeShutdownPrivilege	2576	Explorer.EXE
Token: SeCreatePagefilePrivilege	2576	Explorer.EXE
Token: SeShutdownPrivilege	2576	Explorer.EXE
Token: SeCreatePagefilePrivilege	2576	Explorer.EXE
Token: SeDebugPrivilege	4404	netsh.exe

Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

2576 Explorer.EXE

pid	process
2576	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

Purchase Order_pdf.exeExplorer.EXEnetsh.exe

description	pid	process	target process
PID 4772 wrote to memory of 724	4772	Purchase Order_pdf.exe	Purchase Order_pdf.exe
PID 4772 wrote to memory of 724	4772	Purchase Order_pdf.exe	Purchase Order_pdf.exe
PID 4772 wrote to memory of 724	4772	Purchase Order_pdf.exe	Purchase Order_pdf.exe
PID 4772 wrote to memory of 724	4772	Purchase Order_pdf.exe	Purchase Order_pdf.exe
PID 2576 wrote to memory of 4404	2576	Explorer.EXE	netsh.exe
PID 2576 wrote to memory of 4404	2576	Explorer.EXE	netsh.exe
PID 2576 wrote to memory of 4404	2576	Explorer.EXE	netsh.exe
PID 4404 wrote to memory of 4336	4404	netsh.exe	cmd.exe
PID 4404 wrote to memory of 4336	4404	netsh.exe	cmd.exe
PID 4404 wrote to memory of 4336	4404	netsh.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2576

C:\Users\Admin\AppData\Local\Temp\Purchase Order_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order_pdf.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4772

C:\Users\Admin\AppData\Local\Temp\Purchase Order_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order_pdf.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:724

C:\Windows\SysWOW64\netsh.exe
"C:\Windows\SysWOW64\netsh.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4404

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Purchase Order_pdf.exe"
3⤵
PID:4336

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/724-2-0x000000000041D070-mapping.dmp

Download
memory/724-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/724-4-0x0000000000EB0000-0x00000000011D0000-memory.dmp

Filesize
3.1MB

Download
memory/724-5-0x00000000012B0000-0x00000000012C1000-memory.dmp

Filesize
68KB

Download
memory/2576-6-0x0000000004CE0000-0x0000000004DC0000-memory.dmp

Filesize
896KB

Download
memory/2576-13-0x0000000004E00000-0x0000000004F7E000-memory.dmp

Filesize
1.5MB

Download
memory/4336-8-0x0000000000000000-mapping.dmp

Download
memory/4404-7-0x0000000000000000-mapping.dmp

Download
memory/4404-10-0x0000000000E00000-0x0000000000E29000-memory.dmp

Filesize
164KB

Download
memory/4404-9-0x0000000001640000-0x000000000165E000-memory.dmp

Filesize
120KB

Download
memory/4404-11-0x00000000010E0000-0x0000000001400000-memory.dmp

Filesize
3.1MB

Download
memory/4404-12-0x0000000001490000-0x0000000001520000-memory.dmp

Filesize
576KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads