7d43d1dd7550c9240e598f048953b7233a66ecde0d6e4ec39a4fd1626a46b91d

General

Target

7d43d1dd7550c9240e598f048953b7233a66ecde0d6e4ec39a4fd1626a46b91d.exe
Size

5.5MB
MD5

517e7aa58030f24d452b083337b5afb1
SHA1

e2c687ee8dd9738f463f3e68352356693b6f400d
SHA256

7d43d1dd7550c9240e598f048953b7233a66ecde0d6e4ec39a4fd1626a46b91d
SHA512

9a51098159f2b841eedbf7545dc231a4f7f1ec7ce54fc1b4442a661237cc8414589b921356cc64b5c742058ef10613deef77fc9d77f50c4db294c527d750e562
SSDEEP

98304:i0qh0r0q2wf02GzMwDws0q40q0qC0FwwRZHwNwYwz0qm0S0qC0mR2wqEwE0qJ0nk:i7effIPEsy58doQaTzwZ8Jq3ELhf8cHT

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"	7d43d1dd7550c9240e598f048953b7233a66ecde0d6e4ec39a4fd1626a46b91d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,"	7d43d1dd7550c9240e598f048953b7233a66ecde0d6e4ec39a4fd1626a46b91d.exe

ACProtect 1.3x - 1.4x DLL software 3 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x0009000000012318-57.dat	acprotect
behavioral1/memory/1444-58-0x0000000010000000-0x000000001010B000-memory.dmp	acprotect
behavioral1/memory/1444-60-0x0000000010000000-0x000000001010B000-memory.dmp	acprotect

Drops file in Drivers directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\drivers\spools.exe	7d43d1dd7550c9240e598f048953b7233a66ecde0d6e4ec39a4fd1626a46b91d.exe
File opened for modification	C:\Windows\SysWOW64\drivers\spools.exe	7d43d1dd7550c9240e598f048953b7233a66ecde0d6e4ec39a4fd1626a46b91d.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"	7d43d1dd7550c9240e598f048953b7233a66ecde0d6e4ec39a4fd1626a46b91d.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1444-54-0x0000000000400000-0x0000000000426000-memory.dmp	upx
behavioral1/files/0x0009000000012318-57.dat	upx
behavioral1/memory/1444-58-0x0000000010000000-0x000000001010B000-memory.dmp	upx
behavioral1/memory/1444-59-0x0000000000400000-0x0000000000426000-memory.dmp	upx
behavioral1/memory/1444-60-0x0000000010000000-0x000000001010B000-memory.dmp	upx

Loads dropped DLL 1 IoCs

pid	Process
1444	7d43d1dd7550c9240e598f048953b7233a66ecde0d6e4ec39a4fd1626a46b91d.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\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntuser = "C:\\Windows\\system32\\drivers\\spools.exe"	7d43d1dd7550c9240e598f048953b7233a66ecde0d6e4ec39a4fd1626a46b91d.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\autoload = "C:\\Users\\Admin\\Local Settings\\Application Data\\cftmon.exe"	7d43d1dd7550c9240e598f048953b7233a66ecde0d6e4ec39a4fd1626a46b91d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ntuser = "C:\\Windows\\system32\\drivers\\spools.exe"	7d43d1dd7550c9240e598f048953b7233a66ecde0d6e4ec39a4fd1626a46b91d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\autoload = "C:\\Users\\Admin\\Local Settings\\Application Data\\cftmon.exe"	7d43d1dd7550c9240e598f048953b7233a66ecde0d6e4ec39a4fd1626a46b91d.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)	\??\V:	7d43d1dd7550c9240e598f048953b7233a66ecde0d6e4ec39a4fd1626a46b91d.exe
File opened (read-only)	\??\J:	7d43d1dd7550c9240e598f048953b7233a66ecde0d6e4ec39a4fd1626a46b91d.exe
File opened (read-only)	\??\K:	7d43d1dd7550c9240e598f048953b7233a66ecde0d6e4ec39a4fd1626a46b91d.exe
File opened (read-only)	\??\L:	7d43d1dd7550c9240e598f048953b7233a66ecde0d6e4ec39a4fd1626a46b91d.exe
File opened (read-only)	\??\M:	7d43d1dd7550c9240e598f048953b7233a66ecde0d6e4ec39a4fd1626a46b91d.exe
File opened (read-only)	\??\Q:	7d43d1dd7550c9240e598f048953b7233a66ecde0d6e4ec39a4fd1626a46b91d.exe
File opened (read-only)	\??\R:	7d43d1dd7550c9240e598f048953b7233a66ecde0d6e4ec39a4fd1626a46b91d.exe
File opened (read-only)	\??\T:	7d43d1dd7550c9240e598f048953b7233a66ecde0d6e4ec39a4fd1626a46b91d.exe
File opened (read-only)	\??\X:	7d43d1dd7550c9240e598f048953b7233a66ecde0d6e4ec39a4fd1626a46b91d.exe
File opened (read-only)	\??\F:	7d43d1dd7550c9240e598f048953b7233a66ecde0d6e4ec39a4fd1626a46b91d.exe
File opened (read-only)	\??\H:	7d43d1dd7550c9240e598f048953b7233a66ecde0d6e4ec39a4fd1626a46b91d.exe
File opened (read-only)	\??\N:	7d43d1dd7550c9240e598f048953b7233a66ecde0d6e4ec39a4fd1626a46b91d.exe
File opened (read-only)	\??\O:	7d43d1dd7550c9240e598f048953b7233a66ecde0d6e4ec39a4fd1626a46b91d.exe
File opened (read-only)	\??\P:	7d43d1dd7550c9240e598f048953b7233a66ecde0d6e4ec39a4fd1626a46b91d.exe
File opened (read-only)	\??\E:	7d43d1dd7550c9240e598f048953b7233a66ecde0d6e4ec39a4fd1626a46b91d.exe
File opened (read-only)	\??\G:	7d43d1dd7550c9240e598f048953b7233a66ecde0d6e4ec39a4fd1626a46b91d.exe
File opened (read-only)	\??\I:	7d43d1dd7550c9240e598f048953b7233a66ecde0d6e4ec39a4fd1626a46b91d.exe
File opened (read-only)	\??\S:	7d43d1dd7550c9240e598f048953b7233a66ecde0d6e4ec39a4fd1626a46b91d.exe
File opened (read-only)	\??\U:	7d43d1dd7550c9240e598f048953b7233a66ecde0d6e4ec39a4fd1626a46b91d.exe
File opened (read-only)	\??\W:	7d43d1dd7550c9240e598f048953b7233a66ecde0d6e4ec39a4fd1626a46b91d.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"	7d43d1dd7550c9240e598f048953b7233a66ecde0d6e4ec39a4fd1626a46b91d.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\ftpdll.dll	7d43d1dd7550c9240e598f048953b7233a66ecde0d6e4ec39a4fd1626a46b91d.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
1444	7d43d1dd7550c9240e598f048953b7233a66ecde0d6e4ec39a4fd1626a46b91d.exe
1444	7d43d1dd7550c9240e598f048953b7233a66ecde0d6e4ec39a4fd1626a46b91d.exe
1444	7d43d1dd7550c9240e598f048953b7233a66ecde0d6e4ec39a4fd1626a46b91d.exe
1444	7d43d1dd7550c9240e598f048953b7233a66ecde0d6e4ec39a4fd1626a46b91d.exe
1444	7d43d1dd7550c9240e598f048953b7233a66ecde0d6e4ec39a4fd1626a46b91d.exe
1444	7d43d1dd7550c9240e598f048953b7233a66ecde0d6e4ec39a4fd1626a46b91d.exe
1444	7d43d1dd7550c9240e598f048953b7233a66ecde0d6e4ec39a4fd1626a46b91d.exe
1444	7d43d1dd7550c9240e598f048953b7233a66ecde0d6e4ec39a4fd1626a46b91d.exe
1444	7d43d1dd7550c9240e598f048953b7233a66ecde0d6e4ec39a4fd1626a46b91d.exe
1444	7d43d1dd7550c9240e598f048953b7233a66ecde0d6e4ec39a4fd1626a46b91d.exe
1444	7d43d1dd7550c9240e598f048953b7233a66ecde0d6e4ec39a4fd1626a46b91d.exe
1444	7d43d1dd7550c9240e598f048953b7233a66ecde0d6e4ec39a4fd1626a46b91d.exe
1444	7d43d1dd7550c9240e598f048953b7233a66ecde0d6e4ec39a4fd1626a46b91d.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1444	7d43d1dd7550c9240e598f048953b7233a66ecde0d6e4ec39a4fd1626a46b91d.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1444 wrote to memory of 572	1444	7d43d1dd7550c9240e598f048953b7233a66ecde0d6e4ec39a4fd1626a46b91d.exe	28
PID 1444 wrote to memory of 572	1444	7d43d1dd7550c9240e598f048953b7233a66ecde0d6e4ec39a4fd1626a46b91d.exe	28
PID 1444 wrote to memory of 572	1444	7d43d1dd7550c9240e598f048953b7233a66ecde0d6e4ec39a4fd1626a46b91d.exe	28
PID 1444 wrote to memory of 572	1444	7d43d1dd7550c9240e598f048953b7233a66ecde0d6e4ec39a4fd1626a46b91d.exe	28

C:\Users\Admin\AppData\Local\Temp\7d43d1dd7550c9240e598f048953b7233a66ecde0d6e4ec39a4fd1626a46b91d.exe
"C:\Users\Admin\AppData\Local\Temp\7d43d1dd7550c9240e598f048953b7233a66ecde0d6e4ec39a4fd1626a46b91d.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:1444
- C:\Windows\SysWOW64\reg.exe
  reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" /f
  2⤵
  - Installs/modifies Browser Helper Object
  PID:572

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/1444-54-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1444-56-0x0000000075D71000-0x0000000075D73000-memory.dmp

Filesize
8KB

Download
memory/1444-58-0x0000000010000000-0x000000001010B000-memory.dmp

Filesize
1.0MB

Download
memory/1444-59-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1444-60-0x0000000010000000-0x000000001010B000-memory.dmp

Filesize
1.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads