5f42cf2e7c1a16fbca6f303619c4608a0b61d2303f0fbf872a9bdff054382af3

General

Target

5f42cf2e7c1a16fbca6f303619c4608a0b61d2303f0fbf872a9bdff054382af3.exe
Size

140KB
MD5

5c6eb56fcd6cd24f8cb820204baeb920
SHA1

a6a77e7b22816b91e035bbed4bc98c12b0b2ae82
SHA256

5f42cf2e7c1a16fbca6f303619c4608a0b61d2303f0fbf872a9bdff054382af3
SHA512

35a08192c7672ead6b607a9b9439929338ef478670200bd1e87de198e913bdc6b7b98461ad84c5bcd73086267c85f304c67c3b92f8205f9086742be9d13d3e11
SSDEEP

3072:U9Pc7FuHCxABX562J7fT4PE6fUneYkLpE6H94oQZiENngW:jFufBJ1J7f8z9SOWzx

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Processes:

5f42cf2e7c1a16fbca6f303619c4608a0b61d2303f0fbf872a9bdff054382af3.exezesol.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	5f42cf2e7c1a16fbca6f303619c4608a0b61d2303f0fbf872a9bdff054382af3.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	zesol.exe

Executes dropped EXE 1 IoCs

Processes:

zesol.exe

pid process

980 zesol.exe

pid	process
980	zesol.exe

Loads dropped DLL 2 IoCs

Processes:

5f42cf2e7c1a16fbca6f303619c4608a0b61d2303f0fbf872a9bdff054382af3.exe

pid	process
1504	5f42cf2e7c1a16fbca6f303619c4608a0b61d2303f0fbf872a9bdff054382af3.exe
1504	5f42cf2e7c1a16fbca6f303619c4608a0b61d2303f0fbf872a9bdff054382af3.exe

Adds Run key to start application 2 TTPs 55 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

zesol.exe5f42cf2e7c1a16fbca6f303619c4608a0b61d2303f0fbf872a9bdff054382af3.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zesol = "C:\\Users\\Admin\\zesol.exe /r"	zesol.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zesol = "C:\\Users\\Admin\\zesol.exe /b"	zesol.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zesol = "C:\\Users\\Admin\\zesol.exe /Q"	zesol.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zesol = "C:\\Users\\Admin\\zesol.exe /x"	zesol.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zesol = "C:\\Users\\Admin\\zesol.exe /m"	zesol.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zesol = "C:\\Users\\Admin\\zesol.exe /q"	zesol.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zesol = "C:\\Users\\Admin\\zesol.exe /h"	zesol.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zesol = "C:\\Users\\Admin\\zesol.exe /U"	zesol.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zesol = "C:\\Users\\Admin\\zesol.exe /s"	zesol.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zesol = "C:\\Users\\Admin\\zesol.exe /E"	zesol.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zesol = "C:\\Users\\Admin\\zesol.exe /c"	zesol.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zesol = "C:\\Users\\Admin\\zesol.exe /I"	zesol.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zesol = "C:\\Users\\Admin\\zesol.exe /l"	zesol.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zesol = "C:\\Users\\Admin\\zesol.exe /n"	zesol.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zesol = "C:\\Users\\Admin\\zesol.exe /w"	zesol.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zesol = "C:\\Users\\Admin\\zesol.exe /t"	zesol.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zesol = "C:\\Users\\Admin\\zesol.exe /N"	zesol.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zesol = "C:\\Users\\Admin\\zesol.exe /e"	5f42cf2e7c1a16fbca6f303619c4608a0b61d2303f0fbf872a9bdff054382af3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zesol = "C:\\Users\\Admin\\zesol.exe /z"	zesol.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zesol = "C:\\Users\\Admin\\zesol.exe /u"	zesol.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zesol = "C:\\Users\\Admin\\zesol.exe /j"	zesol.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zesol = "C:\\Users\\Admin\\zesol.exe /C"	zesol.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zesol = "C:\\Users\\Admin\\zesol.exe /H"	zesol.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\	5f42cf2e7c1a16fbca6f303619c4608a0b61d2303f0fbf872a9bdff054382af3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zesol = "C:\\Users\\Admin\\zesol.exe /Y"	zesol.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zesol = "C:\\Users\\Admin\\zesol.exe /B"	zesol.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zesol = "C:\\Users\\Admin\\zesol.exe /G"	zesol.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zesol = "C:\\Users\\Admin\\zesol.exe /A"	zesol.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zesol = "C:\\Users\\Admin\\zesol.exe /k"	zesol.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zesol = "C:\\Users\\Admin\\zesol.exe /S"	zesol.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zesol = "C:\\Users\\Admin\\zesol.exe /f"	zesol.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zesol = "C:\\Users\\Admin\\zesol.exe /K"	zesol.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zesol = "C:\\Users\\Admin\\zesol.exe /D"	zesol.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zesol = "C:\\Users\\Admin\\zesol.exe /F"	zesol.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zesol = "C:\\Users\\Admin\\zesol.exe /O"	zesol.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zesol = "C:\\Users\\Admin\\zesol.exe /V"	zesol.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zesol = "C:\\Users\\Admin\\zesol.exe /o"	zesol.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zesol = "C:\\Users\\Admin\\zesol.exe /d"	zesol.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zesol = "C:\\Users\\Admin\\zesol.exe /R"	zesol.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zesol = "C:\\Users\\Admin\\zesol.exe /Z"	zesol.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zesol = "C:\\Users\\Admin\\zesol.exe /X"	zesol.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zesol = "C:\\Users\\Admin\\zesol.exe /P"	zesol.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zesol = "C:\\Users\\Admin\\zesol.exe /L"	zesol.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zesol = "C:\\Users\\Admin\\zesol.exe /v"	zesol.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\	zesol.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zesol = "C:\\Users\\Admin\\zesol.exe /J"	zesol.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zesol = "C:\\Users\\Admin\\zesol.exe /a"	zesol.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zesol = "C:\\Users\\Admin\\zesol.exe /g"	zesol.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zesol = "C:\\Users\\Admin\\zesol.exe /y"	zesol.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zesol = "C:\\Users\\Admin\\zesol.exe /e"	zesol.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zesol = "C:\\Users\\Admin\\zesol.exe /M"	zesol.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zesol = "C:\\Users\\Admin\\zesol.exe /i"	zesol.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zesol = "C:\\Users\\Admin\\zesol.exe /p"	zesol.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zesol = "C:\\Users\\Admin\\zesol.exe /T"	zesol.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zesol = "C:\\Users\\Admin\\zesol.exe /W"	zesol.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

5f42cf2e7c1a16fbca6f303619c4608a0b61d2303f0fbf872a9bdff054382af3.exezesol.exe

pid	process
1504	5f42cf2e7c1a16fbca6f303619c4608a0b61d2303f0fbf872a9bdff054382af3.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe
980	zesol.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

5f42cf2e7c1a16fbca6f303619c4608a0b61d2303f0fbf872a9bdff054382af3.exezesol.exe

pid process

1504 5f42cf2e7c1a16fbca6f303619c4608a0b61d2303f0fbf872a9bdff054382af3.exe
980 zesol.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

5f42cf2e7c1a16fbca6f303619c4608a0b61d2303f0fbf872a9bdff054382af3.exe

description	pid	process	target process
PID 1504 wrote to memory of 980	1504	5f42cf2e7c1a16fbca6f303619c4608a0b61d2303f0fbf872a9bdff054382af3.exe	zesol.exe
PID 1504 wrote to memory of 980	1504	5f42cf2e7c1a16fbca6f303619c4608a0b61d2303f0fbf872a9bdff054382af3.exe	zesol.exe
PID 1504 wrote to memory of 980	1504	5f42cf2e7c1a16fbca6f303619c4608a0b61d2303f0fbf872a9bdff054382af3.exe	zesol.exe
PID 1504 wrote to memory of 980	1504	5f42cf2e7c1a16fbca6f303619c4608a0b61d2303f0fbf872a9bdff054382af3.exe	zesol.exe

C:\Users\Admin\AppData\Local\Temp\5f42cf2e7c1a16fbca6f303619c4608a0b61d2303f0fbf872a9bdff054382af3.exe
"C:\Users\Admin\AppData\Local\Temp\5f42cf2e7c1a16fbca6f303619c4608a0b61d2303f0fbf872a9bdff054382af3.exe"
1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1504

C:\Users\Admin\zesol.exe
"C:\Users\Admin\zesol.exe"
2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:980

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Hidden Files and Directories

1

T1158

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

1

T1158

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\zesol.exe
Filesize
140KB

MD5
c8f677c6c1c4b00fff424d2cd69ad564

SHA1
2f089c33a52d5ca374551198762139a7197e77e5

SHA256
cf3ddc7b7ea3e0d3738a6c15ae71ecd832f2d9fe3e19462c9eca47fcc5faccf7

SHA512
9280d31e18c812e26fdae380c485e026ce8697c18e28cf877e04cadf87984f028e963d6839de167dcfe6d36f8ce7be967fc13d0ba1b1462ec9adc45a735f1ccd

Download Submit
C:\Users\Admin\zesol.exe
Filesize
140KB

MD5
c8f677c6c1c4b00fff424d2cd69ad564

SHA1
2f089c33a52d5ca374551198762139a7197e77e5

SHA256
cf3ddc7b7ea3e0d3738a6c15ae71ecd832f2d9fe3e19462c9eca47fcc5faccf7

SHA512
9280d31e18c812e26fdae380c485e026ce8697c18e28cf877e04cadf87984f028e963d6839de167dcfe6d36f8ce7be967fc13d0ba1b1462ec9adc45a735f1ccd

Download Submit
\Users\Admin\zesol.exe
Filesize
140KB

MD5
c8f677c6c1c4b00fff424d2cd69ad564

SHA1
2f089c33a52d5ca374551198762139a7197e77e5

SHA256
cf3ddc7b7ea3e0d3738a6c15ae71ecd832f2d9fe3e19462c9eca47fcc5faccf7

SHA512
9280d31e18c812e26fdae380c485e026ce8697c18e28cf877e04cadf87984f028e963d6839de167dcfe6d36f8ce7be967fc13d0ba1b1462ec9adc45a735f1ccd

Download Submit
\Users\Admin\zesol.exe
Filesize
140KB

MD5
c8f677c6c1c4b00fff424d2cd69ad564

SHA1
2f089c33a52d5ca374551198762139a7197e77e5

SHA256
cf3ddc7b7ea3e0d3738a6c15ae71ecd832f2d9fe3e19462c9eca47fcc5faccf7

SHA512
9280d31e18c812e26fdae380c485e026ce8697c18e28cf877e04cadf87984f028e963d6839de167dcfe6d36f8ce7be967fc13d0ba1b1462ec9adc45a735f1ccd

Download Submit
memory/980-59-0x0000000000000000-mapping.dmp

Download
memory/1504-56-0x0000000075FB1000-0x0000000075FB3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads