formbook | bcf951a2c7bc31a37486577ae1fc83f97bc1daf987d5a35e9302eb31f5a5ebf0

General

Target

Shipment Document BL,INV and Packing list Attached.exe
Size

305KB
MD5

15841911ca4112d3e662c04db3517145
SHA1

be584653e032bd30328b6dbc5e7a502bde7f8342
SHA256

bcf951a2c7bc31a37486577ae1fc83f97bc1daf987d5a35e9302eb31f5a5ebf0
SHA512

b0140fd10e30fa8b4929cad363396d7cacc90fce41b42e42d5574d11cf68e40032555ed06c6257f23b1e8190f404605eafa37b2504567ec8e3ed453672687e7e

Score

10^/10

trojan spyware stealer formbook persistence

Malware Config

Signatures

System policy modification 1 TTPs 1 IoCs
evasion

Modify Registry
T1112

Processes:

ipconfig.exe

description ioc process

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

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

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

ipconfig.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1231583446-2617009595-2137880041-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	ipconfig.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

Shipment Document BL,INV and Packing list Attached.exeExplorer.EXEipconfig.exe

description	pid	process	target process
PID 1616 wrote to memory of 2512	1616	Shipment Document BL,INV and Packing list Attached.exe	Shipment Document BL,INV and Packing list Attached.exe
PID 1616 wrote to memory of 2512	1616	Shipment Document BL,INV and Packing list Attached.exe	Shipment Document BL,INV and Packing list Attached.exe
PID 1616 wrote to memory of 2512	1616	Shipment Document BL,INV and Packing list Attached.exe	Shipment Document BL,INV and Packing list Attached.exe
PID 1616 wrote to memory of 2512	1616	Shipment Document BL,INV and Packing list Attached.exe	Shipment Document BL,INV and Packing list Attached.exe
PID 1616 wrote to memory of 2512	1616	Shipment Document BL,INV and Packing list Attached.exe	Shipment Document BL,INV and Packing list Attached.exe
PID 1616 wrote to memory of 2512	1616	Shipment Document BL,INV and Packing list Attached.exe	Shipment Document BL,INV and Packing list Attached.exe
PID 3024 wrote to memory of 2980	3024	Explorer.EXE	ipconfig.exe
PID 3024 wrote to memory of 2980	3024	Explorer.EXE	ipconfig.exe
PID 3024 wrote to memory of 2980	3024	Explorer.EXE	ipconfig.exe
PID 2980 wrote to memory of 3764	2980	ipconfig.exe	cmd.exe
PID 2980 wrote to memory of 3764	2980	ipconfig.exe	cmd.exe
PID 2980 wrote to memory of 3764	2980	ipconfig.exe	cmd.exe
PID 2980 wrote to memory of 3888	2980	ipconfig.exe	cmd.exe
PID 2980 wrote to memory of 3888	2980	ipconfig.exe	cmd.exe
PID 2980 wrote to memory of 3888	2980	ipconfig.exe	cmd.exe
PID 2980 wrote to memory of 3832	2980	ipconfig.exe	Firefox.exe
PID 2980 wrote to memory of 3832	2980	ipconfig.exe	Firefox.exe
PID 2980 wrote to memory of 3832	2980	ipconfig.exe	Firefox.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Shipment Document BL,INV and Packing list Attached.exeShipment Document BL,INV and Packing list Attached.exeipconfig.exe

description	pid	process	target process
PID 1616 set thread context of 2512	1616	Shipment Document BL,INV and Packing list Attached.exe	Shipment Document BL,INV and Packing list Attached.exe
PID 2512 set thread context of 3024	2512	Shipment Document BL,INV and Packing list Attached.exe	Explorer.EXE
PID 2980 set thread context of 3024	2980	ipconfig.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 44 IoCs

Processes:

Shipment Document BL,INV and Packing list Attached.exeipconfig.exe

pid	process
2512	Shipment Document BL,INV and Packing list Attached.exe
2512	Shipment Document BL,INV and Packing list Attached.exe
2512	Shipment Document BL,INV and Packing list Attached.exe
2512	Shipment Document BL,INV and Packing list Attached.exe
2980	ipconfig.exe
2980	ipconfig.exe
2980	ipconfig.exe
2980	ipconfig.exe
2980	ipconfig.exe
2980	ipconfig.exe
2980	ipconfig.exe
2980	ipconfig.exe
2980	ipconfig.exe
2980	ipconfig.exe
2980	ipconfig.exe
2980	ipconfig.exe
2980	ipconfig.exe
2980	ipconfig.exe
2980	ipconfig.exe
2980	ipconfig.exe
2980	ipconfig.exe
2980	ipconfig.exe
2980	ipconfig.exe
2980	ipconfig.exe
2980	ipconfig.exe
2980	ipconfig.exe
2980	ipconfig.exe
2980	ipconfig.exe
2980	ipconfig.exe
2980	ipconfig.exe
2980	ipconfig.exe
2980	ipconfig.exe
2980	ipconfig.exe
2980	ipconfig.exe
2980	ipconfig.exe
2980	ipconfig.exe
2980	ipconfig.exe
2980	ipconfig.exe
2980	ipconfig.exe
2980	ipconfig.exe
2980	ipconfig.exe
2980	ipconfig.exe
2980	ipconfig.exe
2980	ipconfig.exe

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

Shipment Document BL,INV and Packing list Attached.exeipconfig.exe

pid	process
2512	Shipment Document BL,INV and Packing list Attached.exe
2512	Shipment Document BL,INV and Packing list Attached.exe
2512	Shipment Document BL,INV and Packing list Attached.exe
2980	ipconfig.exe
2980	ipconfig.exe
2980	ipconfig.exe
2980	ipconfig.exe

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Drops file in Program Files directory 1 IoCs

Processes:

ipconfig.exe

description ioc process

File opened for modification C:\Program Files (x86)\Gyrzxgnah\sziibk81n.exe ipconfig.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

description	ioc	process
File opened for modification	C:\Program Files (x86)\Gyrzxgnah\sziibk81n.exe	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

Processes:

Shipment Document BL,INV and Packing list Attached.exeipconfig.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	2512	Shipment Document BL,INV and Packing list Attached.exe
Token: SeDebugPrivilege	2980	ipconfig.exe
Token: SeShutdownPrivilege	3024	Explorer.EXE
Token: SeCreatePagefilePrivilege	3024	Explorer.EXE
Token: SeShutdownPrivilege	3024	Explorer.EXE
Token: SeCreatePagefilePrivilege	3024	Explorer.EXE
Token: SeShutdownPrivilege	3024	Explorer.EXE
Token: SeCreatePagefilePrivilege	3024	Explorer.EXE
Token: SeShutdownPrivilege	3024	Explorer.EXE
Token: SeCreatePagefilePrivilege	3024	Explorer.EXE

Adds Run entry to policy start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

ipconfig.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	ipconfig.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\EZFT9T2H = "C:\\Program Files (x86)\\Gyrzxgnah\\sziibk81n.exe"	ipconfig.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of AdjustPrivilegeToken
PID:3024

C:\Users\Admin\AppData\Local\Temp\Shipment Document BL,INV and Packing list Attached.exe
"C:\Users\Admin\AppData\Local\Temp\Shipment Document BL,INV and Packing list Attached.exe"
2⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
PID:1616

C:\Users\Admin\AppData\Local\Temp\Shipment Document BL,INV and Packing list Attached.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2512

C:\Windows\SysWOW64\ipconfig.exe
"C:\Windows\SysWOW64\ipconfig.exe"
2⤵
- System policy modification
- Modifies Internet Explorer settings
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Adds Run entry to policy start application
PID:2980

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Shipment Document BL,INV and Packing list Attached.exe"
3⤵
PID:3764

C:\Windows\SysWOW64\cmd.exe
/c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
3⤵
PID:3888

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:3832

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

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\DB1

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C:\Users\Admin\AppData\Roaming\1446PCET\144logim.jpeg

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C:\Users\Admin\AppData\Roaming\1446PCET\144logrf.ini

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C:\Users\Admin\AppData\Roaming\1446PCET\144logrg.ini

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C:\Users\Admin\AppData\Roaming\1446PCET\144logri.ini

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C:\Users\Admin\AppData\Roaming\1446PCET\144logrv.ini

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memory/2512-1-0x000000000041E2B0-mapping.dmp

Download
memory/2512-0-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/2980-4-0x0000000000380000-0x000000000038B000-memory.dmp

Filesize
44KB

Download
memory/2980-3-0x0000000000380000-0x000000000038B000-memory.dmp

Filesize
44KB

Download
memory/2980-2-0x0000000000000000-mapping.dmp

Download
memory/3764-5-0x0000000000000000-mapping.dmp

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memory/3832-12-0x00007FF6F7B40000-0x00007FF6F7BD3000-memory.dmp

Filesize
588KB

Download
memory/3832-13-0x00007FF6F7B40000-0x00007FF6F7BD3000-memory.dmp

Filesize
588KB

Download
memory/3832-14-0x00007FF6F7B40000-0x00007FF6F7BD3000-memory.dmp

Filesize
588KB

Download
memory/3832-11-0x0000000000000000-mapping.dmp

Download
memory/3888-8-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads