formbook | c15f6faab41ea44719d795995c15024db0719fa5c9a731110587ec4e1e041fc2

General

Target

Carta de pago.exe
Size

357KB
MD5

03206cea63667d5f8e8861f554720473
SHA1

43bcabbfaffce6dfb7c5ec763f11ea85d8876dad
SHA256

c15f6faab41ea44719d795995c15024db0719fa5c9a731110587ec4e1e041fc2
SHA512

7552aae69b210e543f27d707952738df7f349daf99450e53b0a39729ea7bea5e31d34b9dc6b876ef2964f759f488a83a052a913125fb6b6f50767f994277e933

Score

10^/10

formbook xloader loader rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

C2

http://www.smallcoloradoweddings.com/kio8/

Decoy

greeaircondition.com

thewilmingtonguide.com

cbluedotlivewdmall.com

globalcrime24.com

heightsplace.com

ghar.pro

asosbira.com

melolandia.com

velactun.com

erniesimms.com

nutbullet.com

drizzerstr.com

hnqym888.com

ghorowaseba.com

1317efoxchasedrive.info

stjudetroop623.com

facestaj.com

airpromaskaccessories.com

wolfetailors.com

56ohdc2016.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 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1464-4-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1464-5-0x000000000041D0B0-mapping.dmp	xloader
behavioral1/memory/1992-7-0x0000000000000000-mapping.dmp	xloader

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

816 cmd.exe

pid	process
816	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Carta de pago.exeCarta de pago.exeNETSTAT.EXE

description	pid	process	target process
PID 728 set thread context of 1464	728	Carta de pago.exe	Carta de pago.exe
PID 1464 set thread context of 1208	1464	Carta de pago.exe	Explorer.EXE
PID 1992 set thread context of 1208	1992	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

1992 NETSTAT.EXE

pid	process
1992	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 30 IoCs

Processes:

Carta de pago.exeNETSTAT.EXE

pid	process
1464	Carta de pago.exe
1464	Carta de pago.exe
1992	NETSTAT.EXE
1992	NETSTAT.EXE
1992	NETSTAT.EXE
1992	NETSTAT.EXE
1992	NETSTAT.EXE
1992	NETSTAT.EXE
1992	NETSTAT.EXE
1992	NETSTAT.EXE
1992	NETSTAT.EXE
1992	NETSTAT.EXE
1992	NETSTAT.EXE
1992	NETSTAT.EXE
1992	NETSTAT.EXE
1992	NETSTAT.EXE
1992	NETSTAT.EXE
1992	NETSTAT.EXE
1992	NETSTAT.EXE
1992	NETSTAT.EXE
1992	NETSTAT.EXE
1992	NETSTAT.EXE
1992	NETSTAT.EXE
1992	NETSTAT.EXE
1992	NETSTAT.EXE
1992	NETSTAT.EXE
1992	NETSTAT.EXE
1992	NETSTAT.EXE
1992	NETSTAT.EXE
1992	NETSTAT.EXE

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

Carta de pago.exeCarta de pago.exeNETSTAT.EXE

pid process

728 Carta de pago.exe
1464 Carta de pago.exe
1464 Carta de pago.exe
1464 Carta de pago.exe
1992 NETSTAT.EXE
1992 NETSTAT.EXE
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Carta de pago.exeNETSTAT.EXE

description pid process

Token: SeDebugPrivilege 1464 Carta de pago.exe
Token: SeDebugPrivilege 1992 NETSTAT.EXE
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1208 Explorer.EXE
1208 Explorer.EXE
1208 Explorer.EXE
1208 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1208 Explorer.EXE
1208 Explorer.EXE
1208 Explorer.EXE
1208 Explorer.EXE

pid	process
728	Carta de pago.exe
1464	Carta de pago.exe
1464	Carta de pago.exe
1464	Carta de pago.exe
1992	NETSTAT.EXE
1992	NETSTAT.EXE

description	pid	process
Token: SeDebugPrivilege	1464	Carta de pago.exe
Token: SeDebugPrivilege	1992	NETSTAT.EXE

pid	process
1208	Explorer.EXE
1208	Explorer.EXE
1208	Explorer.EXE
1208	Explorer.EXE

pid	process
1208	Explorer.EXE
1208	Explorer.EXE
1208	Explorer.EXE
1208	Explorer.EXE

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

Carta de pago.exeExplorer.EXENETSTAT.EXE

description	pid	process	target process
PID 728 wrote to memory of 2004	728	Carta de pago.exe	cmd.exe
PID 728 wrote to memory of 2004	728	Carta de pago.exe	cmd.exe
PID 728 wrote to memory of 2004	728	Carta de pago.exe	cmd.exe
PID 728 wrote to memory of 2004	728	Carta de pago.exe	cmd.exe
PID 728 wrote to memory of 1392	728	Carta de pago.exe	cmd.exe
PID 728 wrote to memory of 1392	728	Carta de pago.exe	cmd.exe
PID 728 wrote to memory of 1392	728	Carta de pago.exe	cmd.exe
PID 728 wrote to memory of 1392	728	Carta de pago.exe	cmd.exe
PID 728 wrote to memory of 1464	728	Carta de pago.exe	Carta de pago.exe
PID 728 wrote to memory of 1464	728	Carta de pago.exe	Carta de pago.exe
PID 728 wrote to memory of 1464	728	Carta de pago.exe	Carta de pago.exe
PID 728 wrote to memory of 1464	728	Carta de pago.exe	Carta de pago.exe
PID 728 wrote to memory of 1464	728	Carta de pago.exe	Carta de pago.exe
PID 1208 wrote to memory of 1992	1208	Explorer.EXE	NETSTAT.EXE
PID 1208 wrote to memory of 1992	1208	Explorer.EXE	NETSTAT.EXE
PID 1208 wrote to memory of 1992	1208	Explorer.EXE	NETSTAT.EXE
PID 1208 wrote to memory of 1992	1208	Explorer.EXE	NETSTAT.EXE
PID 1992 wrote to memory of 816	1992	NETSTAT.EXE	cmd.exe
PID 1992 wrote to memory of 816	1992	NETSTAT.EXE	cmd.exe
PID 1992 wrote to memory of 816	1992	NETSTAT.EXE	cmd.exe
PID 1992 wrote to memory of 816	1992	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:1208

C:\Users\Admin\AppData\Local\Temp\Carta de pago.exe
"C:\Users\Admin\AppData\Local\Temp\Carta de pago.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:728

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c cls
3⤵
PID:2004

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c cls
3⤵
PID:1392

C:\Users\Admin\AppData\Local\Temp\Carta de pago.exe
"C:\Users\Admin\AppData\Local\Temp\Carta de pago.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1464

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:1992

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Carta de pago.exe"
3⤵
- Deletes itself
PID:816

Network

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/816-9-0x0000000000000000-mapping.dmp

Download
memory/1392-3-0x0000000000000000-mapping.dmp

Download
memory/1464-4-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1464-5-0x000000000041D0B0-mapping.dmp

Download
memory/1992-7-0x0000000000000000-mapping.dmp

Download
memory/1992-8-0x0000000000C20000-0x0000000000C29000-memory.dmp

Filesize
36KB

Download
memory/1992-10-0x0000000002030000-0x00000000020F8000-memory.dmp

Filesize
800KB

Download
memory/2004-2-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads