181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850

General

Target

181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe
Size

9.1MB
MD5

aaa585f29635d03b33aab4180b386665
SHA1

97d7eb0712cdaf1cb93b80a4e027285bb5cf5583
SHA256

181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850
SHA512

83cac084e64b0a494b1063dfe6ee6be4298db70ecb4df5c239c56309c92edb1342e371b93a64346f9692c1af72f008dff9b78cae0f29101330e8027138db3d14
SSDEEP

196608:i7effIPEsy58doQaTxLhQyZbIly38doQalArdfehQM2gsyVCQlXlAryfEQulen8u:i7effIPEsy58doQaTxLhQyZbIly38dob

Score

10^/10

adware persistence stealer upx

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe"	181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,"	181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe

ACProtect 1.3x - 1.4x DLL software 3 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x0009000000012326-57.dat	acprotect
behavioral1/memory/1960-58-0x0000000010000000-0x000000001010B000-memory.dmp	acprotect
behavioral1/memory/1960-60-0x0000000010000000-0x000000001010B000-memory.dmp	acprotect

Drops file in Drivers directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\drivers\spools.exe	181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe
File created	C:\Windows\SysWOW64\drivers\spools.exe	181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Schedule\ImagePath = "C:\\Windows\\system32\\drivers\\spools.exe"	181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1960-54-0x0000000000400000-0x0000000000426000-memory.dmp	upx
behavioral1/files/0x0009000000012326-57.dat	upx
behavioral1/memory/1960-58-0x0000000010000000-0x000000001010B000-memory.dmp	upx
behavioral1/memory/1960-59-0x0000000000400000-0x0000000000426000-memory.dmp	upx
behavioral1/memory/1960-60-0x0000000010000000-0x000000001010B000-memory.dmp	upx

Loads dropped DLL 1 IoCs

pid	Process
1960	181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ntuser = "C:\\Windows\\system32\\drivers\\spools.exe"	181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\autoload = "C:\\Users\\Admin\\Local Settings\\Application Data\\cftmon.exe"	181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntuser = "C:\\Windows\\system32\\drivers\\spools.exe"	181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\autoload = "C:\\Users\\Admin\\Local Settings\\Application Data\\cftmon.exe"	181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe

Enumerates connected drives 3 TTPs 20 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\I:	181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe
File opened (read-only)	\??\J:	181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe
File opened (read-only)	\??\S:	181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe
File opened (read-only)	\??\V:	181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe
File opened (read-only)	\??\X:	181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe
File opened (read-only)	\??\M:	181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe
File opened (read-only)	\??\P:	181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe
File opened (read-only)	\??\Q:	181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe
File opened (read-only)	\??\U:	181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe
File opened (read-only)	\??\K:	181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe
File opened (read-only)	\??\R:	181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe
File opened (read-only)	\??\T:	181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe
File opened (read-only)	\??\O:	181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe
File opened (read-only)	\??\W:	181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe
File opened (read-only)	\??\E:	181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe
File opened (read-only)	\??\F:	181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe
File opened (read-only)	\??\G:	181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe
File opened (read-only)	\??\H:	181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe
File opened (read-only)	\??\L:	181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe
File opened (read-only)	\??\N:	181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe

Installs/modifies Browser Helper Object 2 TTPs 4 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{18DF081C-E8AD-4283-A596-FA578C2EBDC3}	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{72853161-30C5-4D22-B7F9-0BBC1D38A37E}	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{B4F3A835-0E21-4959-BA22-42B3008E02FF}	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects	reg.exe

Modifies WinLogon 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\UIHost = "logonui.exe"	181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\ftpdll.dll	181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
1960	181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe
1960	181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe
1960	181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe
1960	181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe
1960	181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe
1960	181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe
1960	181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe
1960	181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe
1960	181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe
1960	181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe
1960	181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe
1960	181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe
1960	181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1960	181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1960 wrote to memory of 1732	1960	181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe	29
PID 1960 wrote to memory of 1732	1960	181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe	29
PID 1960 wrote to memory of 1732	1960	181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe	29
PID 1960 wrote to memory of 1732	1960	181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe	29

C:\Users\Admin\AppData\Local\Temp\181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe
"C:\Users\Admin\AppData\Local\Temp\181fb1aa80205a7ec9ca50fb02f4c0a5d3c22fa78a974f20ef5c4559e4937850.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in Drivers directory
- Sets service image path in registry
- Loads dropped DLL
- Adds Run key to start application
- Enumerates connected drives
- Modifies WinLogon
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1960
- C:\Windows\SysWOW64\reg.exe
  reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" /f
  2⤵
  - Installs/modifies Browser Helper Object
  PID:1732

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Browser Extensions

1

T1176

Registry Run Keys / Startup Folder

Winlogon Helper DLL

Privilege Escalation

Defense Evasion

Modify Registry

5

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Windows\SysWOW64\ftpdll.dll

Filesize
5KB

MD5
d807aa04480d1d149f7a4cac22984188

SHA1
ffd5be65fd10017e34c11cecd105ebf4aa6c0cd9

SHA256
eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb

SHA512
875543583c20ab164f37a4fb2587d234ce0a15d649d22b0d1dae5933f0a7683db170578746ea4458c51fec26e2243c6ec00dc10db8d4289789e50d5800cf863e

Download Submit
memory/1960-54-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1960-56-0x0000000074AB1000-0x0000000074AB3000-memory.dmp

Filesize
8KB

Download
memory/1960-58-0x0000000010000000-0x000000001010B000-memory.dmp

Filesize
1.0MB

Download
memory/1960-59-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1960-60-0x0000000010000000-0x000000001010B000-memory.dmp

Filesize
1.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads