eeb21c58674c992682b4595432caf0c6ab7bdbc254ac6957f58eadf62e9cfe77

General

Target

eeb21c58674c992682b4595432caf0c6ab7bdbc254ac6957f58eadf62e9cfe77.exe
Size

54KB
MD5

4805c7620b3f6d4aabbecc8d4bd28006
SHA1

c8bde5b6beb60791c68db35252d739a687e4011b
SHA256

eeb21c58674c992682b4595432caf0c6ab7bdbc254ac6957f58eadf62e9cfe77
SHA512

64432c118b9bc3ce1d68c84041ee552b1c05939d9ad125698e00446f726860415816bc60d0b37e747321583700617493acd3161cfe1567bdf93ac4fc1764aea9
SSDEEP

768:Oe3PFaDVyOQgljLDKRJyM3BmsHzSB4us/wJJapg4RoSMZeUZB/7pZjEcoy/v/KxG:V3cpyORJLuB4P4AJJv4Romu/1BybS+M

Score

10^/10

evasion

Malware Config

Signatures

Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Processes:

eeb21c58674c992682b4595432caf0c6ab7bdbc254ac6957f58eadf62e9cfe77.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	eeb21c58674c992682b4595432caf0c6ab7bdbc254ac6957f58eadf62e9cfe77.exe

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1788 cmd.exe
Loads dropped DLL 1 IoCs

Processes:

eeb21c58674c992682b4595432caf0c6ab7bdbc254ac6957f58eadf62e9cfe77.exe

pid process

1632 eeb21c58674c992682b4595432caf0c6ab7bdbc254ac6957f58eadf62e9cfe77.exe

pid	process
1788	cmd.exe

pid	process
1632	eeb21c58674c992682b4595432caf0c6ab7bdbc254ac6957f58eadf62e9cfe77.exe

Drops desktop.ini file(s) 1 IoCs

Processes:

eeb21c58674c992682b4595432caf0c6ab7bdbc254ac6957f58eadf62e9cfe77.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\Internat Explorer\Desktop.ini	eeb21c58674c992682b4595432caf0c6ab7bdbc254ac6957f58eadf62e9cfe77.exe

Drops file in Program Files directory 3 IoCs

Processes:

eeb21c58674c992682b4595432caf0c6ab7bdbc254ac6957f58eadf62e9cfe77.exeattrib.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\Internat Explorer\Desktop.ini	eeb21c58674c992682b4595432caf0c6ab7bdbc254ac6957f58eadf62e9cfe77.exe
File created	C:\Program Files (x86)\Microsoft\Internat Explorer\target.lnk	eeb21c58674c992682b4595432caf0c6ab7bdbc254ac6957f58eadf62e9cfe77.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Internat Explorer	attrib.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies registry class 9 IoCs

Processes:

eeb21c58674c992682b4595432caf0c6ab7bdbc254ac6957f58eadf62e9cfe77.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ocfile\shell\open	eeb21c58674c992682b4595432caf0c6ab7bdbc254ac6957f58eadf62e9cfe77.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ocfile\shell\open\command\ = "explorer \"C:\\Program Files (x86)\\Microsoft\\Internat Explorer\""	eeb21c58674c992682b4595432caf0c6ab7bdbc254ac6957f58eadf62e9cfe77.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ocfile	eeb21c58674c992682b4595432caf0c6ab7bdbc254ac6957f58eadf62e9cfe77.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ocfile\DefaultIcon\ = "%1"	eeb21c58674c992682b4595432caf0c6ab7bdbc254ac6957f58eadf62e9cfe77.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ocfile\shell\open\command	eeb21c58674c992682b4595432caf0c6ab7bdbc254ac6957f58eadf62e9cfe77.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ocfile\shell	eeb21c58674c992682b4595432caf0c6ab7bdbc254ac6957f58eadf62e9cfe77.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.oc	eeb21c58674c992682b4595432caf0c6ab7bdbc254ac6957f58eadf62e9cfe77.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.oc\ = "ocfile"	eeb21c58674c992682b4595432caf0c6ab7bdbc254ac6957f58eadf62e9cfe77.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ocfile\DefaultIcon	eeb21c58674c992682b4595432caf0c6ab7bdbc254ac6957f58eadf62e9cfe77.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

eeb21c58674c992682b4595432caf0c6ab7bdbc254ac6957f58eadf62e9cfe77.exe

description	pid	process	target process
PID 1632 wrote to memory of 1256	1632	eeb21c58674c992682b4595432caf0c6ab7bdbc254ac6957f58eadf62e9cfe77.exe	attrib.exe
PID 1632 wrote to memory of 1256	1632	eeb21c58674c992682b4595432caf0c6ab7bdbc254ac6957f58eadf62e9cfe77.exe	attrib.exe
PID 1632 wrote to memory of 1256	1632	eeb21c58674c992682b4595432caf0c6ab7bdbc254ac6957f58eadf62e9cfe77.exe	attrib.exe
PID 1632 wrote to memory of 1256	1632	eeb21c58674c992682b4595432caf0c6ab7bdbc254ac6957f58eadf62e9cfe77.exe	attrib.exe
PID 1632 wrote to memory of 1256	1632	eeb21c58674c992682b4595432caf0c6ab7bdbc254ac6957f58eadf62e9cfe77.exe	attrib.exe
PID 1632 wrote to memory of 1256	1632	eeb21c58674c992682b4595432caf0c6ab7bdbc254ac6957f58eadf62e9cfe77.exe	attrib.exe
PID 1632 wrote to memory of 1256	1632	eeb21c58674c992682b4595432caf0c6ab7bdbc254ac6957f58eadf62e9cfe77.exe	attrib.exe
PID 1632 wrote to memory of 1788	1632	eeb21c58674c992682b4595432caf0c6ab7bdbc254ac6957f58eadf62e9cfe77.exe	cmd.exe
PID 1632 wrote to memory of 1788	1632	eeb21c58674c992682b4595432caf0c6ab7bdbc254ac6957f58eadf62e9cfe77.exe	cmd.exe
PID 1632 wrote to memory of 1788	1632	eeb21c58674c992682b4595432caf0c6ab7bdbc254ac6957f58eadf62e9cfe77.exe	cmd.exe
PID 1632 wrote to memory of 1788	1632	eeb21c58674c992682b4595432caf0c6ab7bdbc254ac6957f58eadf62e9cfe77.exe	cmd.exe
PID 1632 wrote to memory of 1788	1632	eeb21c58674c992682b4595432caf0c6ab7bdbc254ac6957f58eadf62e9cfe77.exe	cmd.exe
PID 1632 wrote to memory of 1788	1632	eeb21c58674c992682b4595432caf0c6ab7bdbc254ac6957f58eadf62e9cfe77.exe	cmd.exe
PID 1632 wrote to memory of 1788	1632	eeb21c58674c992682b4595432caf0c6ab7bdbc254ac6957f58eadf62e9cfe77.exe	cmd.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

1256 attrib.exe

pid	process
1256	attrib.exe

C:\Users\Admin\AppData\Local\Temp\eeb21c58674c992682b4595432caf0c6ab7bdbc254ac6957f58eadf62e9cfe77.exe
"C:\Users\Admin\AppData\Local\Temp\eeb21c58674c992682b4595432caf0c6ab7bdbc254ac6957f58eadf62e9cfe77.exe"
1⤵
- Modifies visibility of file extensions in Explorer
- Loads dropped DLL
- Drops desktop.ini file(s)
- Drops file in Program Files directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1632

C:\Windows\SysWOW64\attrib.exe
"C:\Windows\System32\attrib.exe" "C:\Program Files (x86)\Microsoft\Internat Explorer" +s
2⤵
- Drops file in Program Files directory
- Views/modifies file attributes
PID:1256

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\temp_tmp.bat" "
2⤵
- Deletes itself
PID:1788

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

2

T1158

Privilege Escalation

Defense Evasion

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\temp_tmp.bat

Filesize
250B

MD5
5dfb0ed64ca09043984800a8a45bba88

SHA1
d521109dba12b87f91dd6d5ce53caeeb909adcad

SHA256
acba3fb11f7bdb7feb469db8a5db8a151f865a26c8b7bc0a3101c8cfbd48f868

SHA512
226eb89b45fb25eae5937ff610580a70bc64ed1faf50bdf9cf1dd25ec5bc663623839e62c566996cb9752f3e49e19e0d0a2f6918daffde6ac421a4e60d79db10

Download Submit
\Users\Admin\AppData\Local\Temp\nsdF7D9.tmp\System.dll

Filesize
11KB

MD5
00a0194c20ee912257df53bfe258ee4a

SHA1
d7b4e319bc5119024690dc8230b9cc919b1b86b2

SHA256
dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

SHA512
3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

Download Submit
memory/1256-55-0x0000000000000000-mapping.dmp

Download
memory/1632-54-0x0000000076BA1000-0x0000000076BA3000-memory.dmp

Filesize
8KB

Download
memory/1788-58-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads