25caf84a39665289ebf084c36a6095c6493801286c832bbb5153011b97bd67a3

General

Target

25caf84a39665289ebf084c36a6095c6493801286c832bbb5153011b97bd67a3.exe
Size

124KB
MD5

5e9f410252fb1ee7811675ecf5c9a590
SHA1

0ec445036a9a988f3cd5d7623637239adb99558b
SHA256

25caf84a39665289ebf084c36a6095c6493801286c832bbb5153011b97bd67a3
SHA512

b2766c0250684178999124dace467dcfda391dcdba1f3375eb49aa81536fc91ffada8824c5a46a888cbd0ee02a500351c7549d04ec656826bd27fbf0bae97473
SSDEEP

1536:LRbkEFU/67NxkiQixA+alh98r8Y9USv1jylgwo7JaSi:9bkEFU/67gjH8ri82gwQU

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:

25caf84a39665289ebf084c36a6095c6493801286c832bbb5153011b97bd67a3.exepmtoom.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	25caf84a39665289ebf084c36a6095c6493801286c832bbb5153011b97bd67a3.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	pmtoom.exe

Executes dropped EXE 1 IoCs

Processes:

pmtoom.exe

pid process

4256 pmtoom.exe

pid	process
4256	pmtoom.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

25caf84a39665289ebf084c36a6095c6493801286c832bbb5153011b97bd67a3.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	25caf84a39665289ebf084c36a6095c6493801286c832bbb5153011b97bd67a3.exe

Adds Run key to start application 2 TTPs 42 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

pmtoom.exe25caf84a39665289ebf084c36a6095c6493801286c832bbb5153011b97bd67a3.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pmtoom = "C:\\Users\\Admin\\pmtoom.exe /r"	pmtoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pmtoom = "C:\\Users\\Admin\\pmtoom.exe /s"	pmtoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pmtoom = "C:\\Users\\Admin\\pmtoom.exe /g"	pmtoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pmtoom = "C:\\Users\\Admin\\pmtoom.exe /h"	pmtoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pmtoom = "C:\\Users\\Admin\\pmtoom.exe /p"	pmtoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pmtoom = "C:\\Users\\Admin\\pmtoom.exe /T"	pmtoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pmtoom = "C:\\Users\\Admin\\pmtoom.exe /y"	pmtoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pmtoom = "C:\\Users\\Admin\\pmtoom.exe /N"	pmtoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pmtoom = "C:\\Users\\Admin\\pmtoom.exe /k"	pmtoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pmtoom = "C:\\Users\\Admin\\pmtoom.exe /q"	pmtoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pmtoom = "C:\\Users\\Admin\\pmtoom.exe /B"	pmtoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pmtoom = "C:\\Users\\Admin\\pmtoom.exe /P"	pmtoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pmtoom = "C:\\Users\\Admin\\pmtoom.exe /i"	pmtoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pmtoom = "C:\\Users\\Admin\\pmtoom.exe /x"	pmtoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pmtoom = "C:\\Users\\Admin\\pmtoom.exe /t"	pmtoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pmtoom = "C:\\Users\\Admin\\pmtoom.exe /u"	pmtoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pmtoom = "C:\\Users\\Admin\\pmtoom.exe /H"	pmtoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pmtoom = "C:\\Users\\Admin\\pmtoom.exe /Y"	pmtoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pmtoom = "C:\\Users\\Admin\\pmtoom.exe /l"	pmtoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pmtoom = "C:\\Users\\Admin\\pmtoom.exe /L"	pmtoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pmtoom = "C:\\Users\\Admin\\pmtoom.exe /Q"	pmtoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pmtoom = "C:\\Users\\Admin\\pmtoom.exe /D"	pmtoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pmtoom = "C:\\Users\\Admin\\pmtoom.exe /c"	pmtoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pmtoom = "C:\\Users\\Admin\\pmtoom.exe /n"	pmtoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pmtoom = "C:\\Users\\Admin\\pmtoom.exe /S"	25caf84a39665289ebf084c36a6095c6493801286c832bbb5153011b97bd67a3.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows\CurrentVersion\Run\	pmtoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pmtoom = "C:\\Users\\Admin\\pmtoom.exe /S"	pmtoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pmtoom = "C:\\Users\\Admin\\pmtoom.exe /Z"	pmtoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pmtoom = "C:\\Users\\Admin\\pmtoom.exe /b"	pmtoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pmtoom = "C:\\Users\\Admin\\pmtoom.exe /K"	pmtoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pmtoom = "C:\\Users\\Admin\\pmtoom.exe /a"	pmtoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pmtoom = "C:\\Users\\Admin\\pmtoom.exe /z"	pmtoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pmtoom = "C:\\Users\\Admin\\pmtoom.exe /v"	pmtoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pmtoom = "C:\\Users\\Admin\\pmtoom.exe /w"	pmtoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pmtoom = "C:\\Users\\Admin\\pmtoom.exe /I"	pmtoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pmtoom = "C:\\Users\\Admin\\pmtoom.exe /m"	pmtoom.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows\CurrentVersion\Run\	25caf84a39665289ebf084c36a6095c6493801286c832bbb5153011b97bd67a3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pmtoom = "C:\\Users\\Admin\\pmtoom.exe /E"	pmtoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pmtoom = "C:\\Users\\Admin\\pmtoom.exe /V"	pmtoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pmtoom = "C:\\Users\\Admin\\pmtoom.exe /G"	pmtoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pmtoom = "C:\\Users\\Admin\\pmtoom.exe /d"	pmtoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pmtoom = "C:\\Users\\Admin\\pmtoom.exe /W"	pmtoom.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:

25caf84a39665289ebf084c36a6095c6493801286c832bbb5153011b97bd67a3.exepmtoom.exe

pid	process
4784	25caf84a39665289ebf084c36a6095c6493801286c832bbb5153011b97bd67a3.exe
4784	25caf84a39665289ebf084c36a6095c6493801286c832bbb5153011b97bd67a3.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe
4256	pmtoom.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

25caf84a39665289ebf084c36a6095c6493801286c832bbb5153011b97bd67a3.exepmtoom.exe

pid process

4784 25caf84a39665289ebf084c36a6095c6493801286c832bbb5153011b97bd67a3.exe
4256 pmtoom.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

25caf84a39665289ebf084c36a6095c6493801286c832bbb5153011b97bd67a3.exe

description	pid	process	target process
PID 4784 wrote to memory of 4256	4784	25caf84a39665289ebf084c36a6095c6493801286c832bbb5153011b97bd67a3.exe	pmtoom.exe
PID 4784 wrote to memory of 4256	4784	25caf84a39665289ebf084c36a6095c6493801286c832bbb5153011b97bd67a3.exe	pmtoom.exe
PID 4784 wrote to memory of 4256	4784	25caf84a39665289ebf084c36a6095c6493801286c832bbb5153011b97bd67a3.exe	pmtoom.exe

C:\Users\Admin\AppData\Local\Temp\25caf84a39665289ebf084c36a6095c6493801286c832bbb5153011b97bd67a3.exe
"C:\Users\Admin\AppData\Local\Temp\25caf84a39665289ebf084c36a6095c6493801286c832bbb5153011b97bd67a3.exe"
1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4784

C:\Users\Admin\pmtoom.exe
"C:\Users\Admin\pmtoom.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:4256

Network

MITRE ATT&CK Enterprise 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

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\pmtoom.exe
Filesize
124KB

MD5
6d2f1acd0b7530fb9ee35b747c7c992c

SHA1
63d46feb5e5b9f5729c14ec938d993f4758fc94c

SHA256
a75849d2a0ef1aa39b780c16c564c82227bdc797ab01666fc3f0e566f312cc7d

SHA512
6a07333c2e1b3b3f5a7807a793e6c57b0c66c9a8a3c05fd8ce1e518795e9a17ac2df2add50e977cd1de617d850387a0a574f4bd14bb0699d4c08dd1defdb8f32

Download Submit
C:\Users\Admin\pmtoom.exe
Filesize
124KB

MD5
6d2f1acd0b7530fb9ee35b747c7c992c

SHA1
63d46feb5e5b9f5729c14ec938d993f4758fc94c

SHA256
a75849d2a0ef1aa39b780c16c564c82227bdc797ab01666fc3f0e566f312cc7d

SHA512
6a07333c2e1b3b3f5a7807a793e6c57b0c66c9a8a3c05fd8ce1e518795e9a17ac2df2add50e977cd1de617d850387a0a574f4bd14bb0699d4c08dd1defdb8f32

Download Submit
memory/4256-134-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads