formbook | b47cf0eaed7e3798e77eaf01aac5783f2c03f7db7802a5215523d4ccdc631bc5

General

Target

tmp.exe
Size

293KB
MD5

960b0f8219762d17f6f47ee76275c7c1
SHA1

ed0eaa1b2d7636d74713c86548842cdb72b8c8cd
SHA256

b47cf0eaed7e3798e77eaf01aac5783f2c03f7db7802a5215523d4ccdc631bc5
SHA512

06d9751f85266c92e666400dc911271e3354ca550a12a6e45386f46f23c56e02986d8a763f394ecbe470952379a752cb0ab26dee5dcc8d4cab84d28e34104ccc
SSDEEP

6144:eqJT5/+TVlkf7jWDUaLOjYmCVdKrLVi2D9y4CUFHHv:e61+BIjbaafCi/Vi2D9yJU1

Score

10^/10

formbook xloader zgtb loader persistence rat spyware stealer trojan

Malware Config

Extracted

Family

xloader

Version

2.6

Campaign

zgtb

Decoy

gabriellep.com

honghe4.xyz

anisaofrendas.com

happy-tile.com

thesulkies.com

international-ipo.com

tazeco.info

hhhzzz.xyz

vrmonster.xyz

theearthresidencia.com

sportape.xyz

elshadaibaterias.com

koredeiihibi.com

taxtaa.com

globalcityb.com

fxivcama.com

dagsmith.com

elmar-bhp.com

peakice.net

jhcdjewelry.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 5 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/736-63-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral1/memory/736-64-0x000000000041F1F0-mapping.dmp	xloader
behavioral1/memory/736-66-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral1/memory/972-76-0x0000000000080000-0x00000000000AB000-memory.dmp	xloader
behavioral1/memory/972-80-0x0000000000080000-0x00000000000AB000-memory.dmp	xloader

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

mstsc.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	mstsc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\J0HDI47HUBA = "C:\\Program Files (x86)\\Mrdfd0t\\mfcmrhl7bm.exe"	mstsc.exe

Drops startup file 2 IoCs

Processes:

Powershell.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\%Namee%	Powershell.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\%Namee%	Powershell.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

tmp.exeaspnet_compiler.exemstsc.exe

description	pid	process	target process
PID 1300 set thread context of 736	1300	tmp.exe	aspnet_compiler.exe
PID 736 set thread context of 1188	736	aspnet_compiler.exe	Explorer.EXE
PID 972 set thread context of 1188	972	mstsc.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

mstsc.exe

description ioc process

File opened for modification C:\Program Files (x86)\Mrdfd0t\mfcmrhl7bm.exe mstsc.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Mrdfd0t\mfcmrhl7bm.exe	mstsc.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

mstsc.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-999675638-2867687379-27515722-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	mstsc.exe

Suspicious behavior: EnumeratesProcesses 21 IoCs

Processes:

aspnet_compiler.exePowershell.exemstsc.exe

pid	process
736	aspnet_compiler.exe
736	aspnet_compiler.exe
1312	Powershell.exe
972	mstsc.exe
972	mstsc.exe
972	mstsc.exe
972	mstsc.exe
972	mstsc.exe
972	mstsc.exe
972	mstsc.exe
972	mstsc.exe
972	mstsc.exe
972	mstsc.exe
972	mstsc.exe
972	mstsc.exe
972	mstsc.exe
972	mstsc.exe
972	mstsc.exe
972	mstsc.exe
972	mstsc.exe
972	mstsc.exe

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

aspnet_compiler.exemstsc.exe

pid process

736 aspnet_compiler.exe
736 aspnet_compiler.exe
736 aspnet_compiler.exe
972 mstsc.exe
972 mstsc.exe
972 mstsc.exe
972 mstsc.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

tmp.exeaspnet_compiler.exePowershell.exemstsc.exe

description	pid	process
Token: SeDebugPrivilege	1300	tmp.exe
Token: SeDebugPrivilege	736	aspnet_compiler.exe
Token: SeDebugPrivilege	1312	Powershell.exe
Token: SeDebugPrivilege	972	mstsc.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1188 Explorer.EXE
1188 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1188 Explorer.EXE
1188 Explorer.EXE

pid	process
1188	Explorer.EXE
1188	Explorer.EXE

pid	process
1188	Explorer.EXE
1188	Explorer.EXE

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

tmp.exeExplorer.EXEmstsc.exe

description	pid	process	target process
PID 1300 wrote to memory of 1312	1300	tmp.exe	Powershell.exe
PID 1300 wrote to memory of 1312	1300	tmp.exe	Powershell.exe
PID 1300 wrote to memory of 1312	1300	tmp.exe	Powershell.exe
PID 1300 wrote to memory of 1312	1300	tmp.exe	Powershell.exe
PID 1300 wrote to memory of 736	1300	tmp.exe	aspnet_compiler.exe
PID 1300 wrote to memory of 736	1300	tmp.exe	aspnet_compiler.exe
PID 1300 wrote to memory of 736	1300	tmp.exe	aspnet_compiler.exe
PID 1300 wrote to memory of 736	1300	tmp.exe	aspnet_compiler.exe
PID 1300 wrote to memory of 736	1300	tmp.exe	aspnet_compiler.exe
PID 1300 wrote to memory of 736	1300	tmp.exe	aspnet_compiler.exe
PID 1300 wrote to memory of 736	1300	tmp.exe	aspnet_compiler.exe
PID 1188 wrote to memory of 972	1188	Explorer.EXE	mstsc.exe
PID 1188 wrote to memory of 972	1188	Explorer.EXE	mstsc.exe
PID 1188 wrote to memory of 972	1188	Explorer.EXE	mstsc.exe
PID 1188 wrote to memory of 972	1188	Explorer.EXE	mstsc.exe
PID 972 wrote to memory of 1800	972	mstsc.exe	cmd.exe
PID 972 wrote to memory of 1800	972	mstsc.exe	cmd.exe
PID 972 wrote to memory of 1800	972	mstsc.exe	cmd.exe
PID 972 wrote to memory of 1800	972	mstsc.exe	cmd.exe
PID 972 wrote to memory of 1760	972	mstsc.exe	Firefox.exe
PID 972 wrote to memory of 1760	972	mstsc.exe	Firefox.exe
PID 972 wrote to memory of 1760	972	mstsc.exe	Firefox.exe
PID 972 wrote to memory of 1760	972	mstsc.exe	Firefox.exe
PID 972 wrote to memory of 1760	972	mstsc.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1188

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1300

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
"Powershell" Copy-Item 'C:\Users\Admin\AppData\Local\Temp\tmp.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\%Namee%'
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1312

C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:736

C:\Windows\SysWOW64\mstsc.exe
"C:\Windows\SysWOW64\mstsc.exe"
- Adds policy Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:972

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
PID:1800

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
PID:1760

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/736-63-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/736-68-0x0000000000450000-0x0000000000461000-memory.dmp

Filesize
68KB

Download
memory/736-67-0x0000000000700000-0x0000000000A03000-memory.dmp

Filesize
3MB

Download
memory/736-66-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/736-64-0x000000000041F1F0-mapping.dmp

Download
memory/736-60-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/736-61-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/972-76-0x0000000000080000-0x00000000000AB000-memory.dmp

Filesize
172KB

Download
memory/972-71-0x0000000000000000-mapping.dmp

Download
memory/972-80-0x0000000000080000-0x00000000000AB000-memory.dmp

Filesize
172KB

Download
memory/972-78-0x0000000000970000-0x0000000000A00000-memory.dmp

Filesize
576KB

Download
memory/972-77-0x0000000002120000-0x0000000002423000-memory.dmp

Filesize
3MB

Download
memory/972-75-0x0000000000A80000-0x0000000000B84000-memory.dmp

Filesize
1MB

Download
memory/1188-79-0x00000000042A0000-0x000000000433B000-memory.dmp

Filesize
620KB

Download
memory/1188-69-0x0000000004010000-0x00000000040C8000-memory.dmp

Filesize
736KB

Download
memory/1188-81-0x00000000042A0000-0x000000000433B000-memory.dmp

Filesize
620KB

Download
memory/1300-54-0x0000000000850000-0x00000000008A0000-memory.dmp

Filesize
320KB

Download
memory/1300-55-0x0000000000320000-0x0000000000366000-memory.dmp

Filesize
280KB

Download
memory/1300-56-0x0000000074F41000-0x0000000074F43000-memory.dmp

Filesize
8KB

Download
memory/1300-58-0x00000000004E0000-0x00000000004FC000-memory.dmp

Filesize
112KB

Download
memory/1312-70-0x00000000744F0000-0x0000000074A9B000-memory.dmp

Filesize
5MB

Download
memory/1312-73-0x00000000744F0000-0x0000000074A9B000-memory.dmp

Filesize
5MB

Download
memory/1312-57-0x0000000000000000-mapping.dmp

Download
memory/1800-74-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads