formbook | 1a981a2e4ebd94ba8a6d8b1e1b4b78fb0038654b6c94f371d90d197e2504c5cd

General

Target

Furusco Invoice copy Pdf.exe
Size

444KB
MD5

59bc64b2f37dbd40c4e29edb0b029ced
SHA1

a56ecb9d8de829b10778f7c3746029fbb5977847
SHA256

1a981a2e4ebd94ba8a6d8b1e1b4b78fb0038654b6c94f371d90d197e2504c5cd
SHA512

30701a2170798d13e96edcf785c2cbd33dc66f123d12d8c9f73021b7b60aa0370b5b4a67224fe5930ab908e1ccd974329b9a8c6ad11815b8ffef2b3a82c03521

Score

10^/10

spyware evasion trojan stealer formbook persistence

Malware Config

Signatures

Loads dropped DLL 1 IoCs

Processes:

Furusco Invoice copy Pdf.exe

pid process

1552 Furusco Invoice copy Pdf.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

Furusco Invoice copy Pdf.exeInstallUtil.execmd.exe

description	pid	process	target process
PID 1552 set thread context of 736	1552	Furusco Invoice copy Pdf.exe	InstallUtil.exe
PID 736 set thread context of 1228	736	InstallUtil.exe	Explorer.EXE
PID 736 set thread context of 1228	736	InstallUtil.exe	Explorer.EXE
PID 1028 set thread context of 1228	1028	cmd.exe	Explorer.EXE

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

Explorer.EXE

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA Explorer.EXE
Drops file in Program Files directory 1 IoCs

Processes:

cmd.exe

description ioc process

File opened for modification C:\Program Files (x86)\Lbdm\msvpj8dxix.exe cmd.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Explorer.EXE

description	ioc	process
File opened for modification	C:\Program Files (x86)\Lbdm\msvpj8dxix.exe	cmd.exe

Adds Run entry to policy start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

cmd.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	cmd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\5JXXUFWHMR = "C:\\Program Files (x86)\\Lbdm\\msvpj8dxix.exe"	cmd.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

Processes:

Furusco Invoice copy Pdf.exeInstallUtil.execmd.exe

pid	process
1552	Furusco Invoice copy Pdf.exe
1552	Furusco Invoice copy Pdf.exe
1552	Furusco Invoice copy Pdf.exe
736	InstallUtil.exe
736	InstallUtil.exe
736	InstallUtil.exe
1028	cmd.exe
1028	cmd.exe
1028	cmd.exe
1028	cmd.exe
1028	cmd.exe
1028	cmd.exe
1028	cmd.exe
1028	cmd.exe
1028	cmd.exe
1028	cmd.exe
1028	cmd.exe
1028	cmd.exe
1028	cmd.exe
1028	cmd.exe
1028	cmd.exe
1028	cmd.exe
1028	cmd.exe
1028	cmd.exe
1028	cmd.exe
1028	cmd.exe
1028	cmd.exe
1028	cmd.exe
1028	cmd.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

Furusco Invoice copy Pdf.exeExplorer.EXEcmd.exe

description	pid	process	target process
PID 1552 wrote to memory of 736	1552	Furusco Invoice copy Pdf.exe	InstallUtil.exe
PID 1552 wrote to memory of 736	1552	Furusco Invoice copy Pdf.exe	InstallUtil.exe
PID 1552 wrote to memory of 736	1552	Furusco Invoice copy Pdf.exe	InstallUtil.exe
PID 1552 wrote to memory of 736	1552	Furusco Invoice copy Pdf.exe	InstallUtil.exe
PID 1552 wrote to memory of 736	1552	Furusco Invoice copy Pdf.exe	InstallUtil.exe
PID 1552 wrote to memory of 736	1552	Furusco Invoice copy Pdf.exe	InstallUtil.exe
PID 1552 wrote to memory of 736	1552	Furusco Invoice copy Pdf.exe	InstallUtil.exe
PID 1552 wrote to memory of 736	1552	Furusco Invoice copy Pdf.exe	InstallUtil.exe
PID 1552 wrote to memory of 736	1552	Furusco Invoice copy Pdf.exe	InstallUtil.exe
PID 1552 wrote to memory of 736	1552	Furusco Invoice copy Pdf.exe	InstallUtil.exe
PID 1228 wrote to memory of 1028	1228	Explorer.EXE	cmd.exe
PID 1228 wrote to memory of 1028	1228	Explorer.EXE	cmd.exe
PID 1228 wrote to memory of 1028	1228	Explorer.EXE	cmd.exe
PID 1228 wrote to memory of 1028	1228	Explorer.EXE	cmd.exe
PID 1028 wrote to memory of 1484	1028	cmd.exe	cmd.exe
PID 1028 wrote to memory of 1484	1028	cmd.exe	cmd.exe
PID 1028 wrote to memory of 1484	1028	cmd.exe	cmd.exe
PID 1028 wrote to memory of 1484	1028	cmd.exe	cmd.exe
PID 1028 wrote to memory of 1992	1028	cmd.exe	Firefox.exe
PID 1028 wrote to memory of 1992	1028	cmd.exe	Firefox.exe
PID 1028 wrote to memory of 1992	1028	cmd.exe	Firefox.exe
PID 1028 wrote to memory of 1992	1028	cmd.exe	Firefox.exe
PID 1028 wrote to memory of 1992	1028	cmd.exe	Firefox.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

cmd.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1131729243-447456001-3632642222-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	cmd.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Furusco Invoice copy Pdf.exeInstallUtil.execmd.exe

description	pid	process
Token: SeDebugPrivilege	1552	Furusco Invoice copy Pdf.exe
Token: SeDebugPrivilege	736	InstallUtil.exe
Token: SeDebugPrivilege	1028	cmd.exe

Executes dropped EXE 1 IoCs

Processes:

InstallUtil.exe

pid process

736 InstallUtil.exe
Suspicious behavior: MapViewOfSection 8 IoCs

Processes:

InstallUtil.execmd.exe

pid process

736 InstallUtil.exe
736 InstallUtil.exe
736 InstallUtil.exe
736 InstallUtil.exe
1028 cmd.exe
1028 cmd.exe
1028 cmd.exe
1028 cmd.exe
Suspicious use of FindShellTrayWindow 8 IoCs

Processes:

Explorer.EXE

pid process

1228 Explorer.EXE
1228 Explorer.EXE
1228 Explorer.EXE
1228 Explorer.EXE
1228 Explorer.EXE
1228 Explorer.EXE
1228 Explorer.EXE
1228 Explorer.EXE
Suspicious use of SendNotifyMessage 7 IoCs

Processes:

Explorer.EXE

pid process

1228 Explorer.EXE
1228 Explorer.EXE
1228 Explorer.EXE
1228 Explorer.EXE
1228 Explorer.EXE
1228 Explorer.EXE
1228 Explorer.EXE
Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
System policy modification 1 TTPs 1 IoCs
evasion

Modify Registry
T1112

Processes:

cmd.exe

description ioc process

Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer cmd.exe

pid	process
736	InstallUtil.exe

pid	process
736	InstallUtil.exe
736	InstallUtil.exe
736	InstallUtil.exe
736	InstallUtil.exe
1028	cmd.exe
1028	cmd.exe
1028	cmd.exe
1028	cmd.exe

pid	process
1228	Explorer.EXE
1228	Explorer.EXE
1228	Explorer.EXE
1228	Explorer.EXE
1228	Explorer.EXE
1228	Explorer.EXE
1228	Explorer.EXE
1228	Explorer.EXE

pid	process
1228	Explorer.EXE
1228	Explorer.EXE
1228	Explorer.EXE
1228	Explorer.EXE
1228	Explorer.EXE
1228	Explorer.EXE
1228	Explorer.EXE

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Checks whether UAC is enabled
- Suspicious use of WriteProcessMemory
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1228

C:\Users\Admin\AppData\Local\Temp\Furusco Invoice copy Pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Furusco Invoice copy Pdf.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- Suspicious use of AdjustPrivilegeToken
PID:1552

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Executes dropped EXE
- Suspicious behavior: MapViewOfSection
PID:736

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\SysWOW64\cmd.exe"
2⤵
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Adds Run entry to policy start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- Modifies Internet Explorer settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: MapViewOfSection
- System policy modification
PID:1028

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
3⤵
PID:1484

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1992

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

3

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe

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C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe

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C:\Users\Admin\AppData\Roaming\0M32P791\0M3logim.jpeg

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C:\Users\Admin\AppData\Roaming\0M32P791\0M3logrf.ini

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C:\Users\Admin\AppData\Roaming\0M32P791\0M3logri.ini

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C:\Users\Admin\AppData\Roaming\0M32P791\0M3logrv.ini

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\Users\Admin\AppData\Local\Temp\InstallUtil.exe

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memory/736-5-0x000000000041E2D0-mapping.dmp

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memory/736-4-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

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memory/1028-9-0x000000004A8F0000-0x000000004A93C000-memory.dmp

Filesize
304KB

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memory/1028-8-0x0000000000000000-mapping.dmp

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memory/1028-12-0x00000000006B0000-0x0000000000748000-memory.dmp

Filesize
608KB

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memory/1028-13-0x0000000076880000-0x000000007688C000-memory.dmp

Filesize
48KB

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memory/1028-14-0x0000000076EC0000-0x0000000076FDD000-memory.dmp

Filesize
1.1MB

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memory/1028-15-0x00000000753D0000-0x000000007552C000-memory.dmp

Filesize
1.4MB

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memory/1228-7-0x0000000007170000-0x00000000072D1000-memory.dmp

Filesize
1.4MB

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memory/1484-11-0x0000000000000000-mapping.dmp

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memory/1552-1-0x0000000000000000-0x0000000000000000-disk.dmp

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memory/1992-17-0x000000013FC60000-0x000000013FCF3000-memory.dmp

Filesize
588KB

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memory/1992-16-0x0000000000000000-mapping.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads