1b720c4ff748f45b527cd8a6b41b560c2514106492bc7867fd361be0eab9ce65

General

Target

1b720c4ff748f45b527cd8a6b41b560c2514106492bc7867fd361be0eab9ce65.exe
Size

152KB
MD5

34a8816d73167010d0a2a066ca51da30
SHA1

84f4fc8bd272965d0b831c8b5f5aebe01a2401bb
SHA256

1b720c4ff748f45b527cd8a6b41b560c2514106492bc7867fd361be0eab9ce65
SHA512

1bc40d63988ea7ab3afcb42afd23c7490d275a5f35557838076611d3a72ab289badb7a7341d0c39ee3932a339a5eb71431fc4a18f1b47b75a7a35616f9dfb062
SSDEEP

3072:H3skvl3Po5+tTjFqV+t3DRGCKBiAKN4oQZiEue:VQ5+t8+NDR5AWW9

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:

1b720c4ff748f45b527cd8a6b41b560c2514106492bc7867fd361be0eab9ce65.exehcboem.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	1b720c4ff748f45b527cd8a6b41b560c2514106492bc7867fd361be0eab9ce65.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	hcboem.exe

Executes dropped EXE 1 IoCs

Processes:

hcboem.exe

pid process

1160 hcboem.exe

pid	process
1160	hcboem.exe

Loads dropped DLL 2 IoCs

Processes:

1b720c4ff748f45b527cd8a6b41b560c2514106492bc7867fd361be0eab9ce65.exe

pid	process
756	1b720c4ff748f45b527cd8a6b41b560c2514106492bc7867fd361be0eab9ce65.exe
756	1b720c4ff748f45b527cd8a6b41b560c2514106492bc7867fd361be0eab9ce65.exe

Adds Run key to start application 2 TTPs 50 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

hcboem.exe1b720c4ff748f45b527cd8a6b41b560c2514106492bc7867fd361be0eab9ce65.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\hcboem = "C:\\Users\\Admin\\hcboem.exe /e"	hcboem.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\hcboem = "C:\\Users\\Admin\\hcboem.exe /i"	hcboem.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\hcboem = "C:\\Users\\Admin\\hcboem.exe /r"	hcboem.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\	hcboem.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\hcboem = "C:\\Users\\Admin\\hcboem.exe /d"	hcboem.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\hcboem = "C:\\Users\\Admin\\hcboem.exe /D"	hcboem.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\hcboem = "C:\\Users\\Admin\\hcboem.exe /L"	hcboem.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\hcboem = "C:\\Users\\Admin\\hcboem.exe /H"	hcboem.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\hcboem = "C:\\Users\\Admin\\hcboem.exe /M"	hcboem.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\hcboem = "C:\\Users\\Admin\\hcboem.exe /T"	hcboem.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\hcboem = "C:\\Users\\Admin\\hcboem.exe /B"	hcboem.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\hcboem = "C:\\Users\\Admin\\hcboem.exe /u"	hcboem.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\hcboem = "C:\\Users\\Admin\\hcboem.exe /z"	hcboem.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\hcboem = "C:\\Users\\Admin\\hcboem.exe /Y"	hcboem.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\hcboem = "C:\\Users\\Admin\\hcboem.exe /v"	hcboem.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\hcboem = "C:\\Users\\Admin\\hcboem.exe /C"	hcboem.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\hcboem = "C:\\Users\\Admin\\hcboem.exe /j"	hcboem.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\hcboem = "C:\\Users\\Admin\\hcboem.exe /O"	hcboem.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\hcboem = "C:\\Users\\Admin\\hcboem.exe /t"	hcboem.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\hcboem = "C:\\Users\\Admin\\hcboem.exe /w"	hcboem.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\hcboem = "C:\\Users\\Admin\\hcboem.exe /Q"	hcboem.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\hcboem = "C:\\Users\\Admin\\hcboem.exe /W"	hcboem.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\hcboem = "C:\\Users\\Admin\\hcboem.exe /b"	hcboem.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\hcboem = "C:\\Users\\Admin\\hcboem.exe /p"	hcboem.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\hcboem = "C:\\Users\\Admin\\hcboem.exe /f"	hcboem.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\hcboem = "C:\\Users\\Admin\\hcboem.exe /F"	hcboem.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\	1b720c4ff748f45b527cd8a6b41b560c2514106492bc7867fd361be0eab9ce65.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\hcboem = "C:\\Users\\Admin\\hcboem.exe /N"	hcboem.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\hcboem = "C:\\Users\\Admin\\hcboem.exe /X"	hcboem.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\hcboem = "C:\\Users\\Admin\\hcboem.exe /I"	hcboem.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\hcboem = "C:\\Users\\Admin\\hcboem.exe /l"	hcboem.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\hcboem = "C:\\Users\\Admin\\hcboem.exe /s"	hcboem.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\hcboem = "C:\\Users\\Admin\\hcboem.exe /k"	hcboem.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\hcboem = "C:\\Users\\Admin\\hcboem.exe /q"	hcboem.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\hcboem = "C:\\Users\\Admin\\hcboem.exe /o"	hcboem.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\hcboem = "C:\\Users\\Admin\\hcboem.exe /S"	hcboem.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\hcboem = "C:\\Users\\Admin\\hcboem.exe /x"	hcboem.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\hcboem = "C:\\Users\\Admin\\hcboem.exe /h"	hcboem.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\hcboem = "C:\\Users\\Admin\\hcboem.exe /a"	hcboem.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\hcboem = "C:\\Users\\Admin\\hcboem.exe /A"	hcboem.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\hcboem = "C:\\Users\\Admin\\hcboem.exe /K"	hcboem.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\hcboem = "C:\\Users\\Admin\\hcboem.exe /c"	hcboem.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\hcboem = "C:\\Users\\Admin\\hcboem.exe /m"	hcboem.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\hcboem = "C:\\Users\\Admin\\hcboem.exe /X"	1b720c4ff748f45b527cd8a6b41b560c2514106492bc7867fd361be0eab9ce65.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\hcboem = "C:\\Users\\Admin\\hcboem.exe /g"	hcboem.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\hcboem = "C:\\Users\\Admin\\hcboem.exe /Z"	hcboem.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\hcboem = "C:\\Users\\Admin\\hcboem.exe /n"	hcboem.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\hcboem = "C:\\Users\\Admin\\hcboem.exe /J"	hcboem.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\hcboem = "C:\\Users\\Admin\\hcboem.exe /y"	hcboem.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\hcboem = "C:\\Users\\Admin\\hcboem.exe /P"	hcboem.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:

1b720c4ff748f45b527cd8a6b41b560c2514106492bc7867fd361be0eab9ce65.exehcboem.exe

pid	process
756	1b720c4ff748f45b527cd8a6b41b560c2514106492bc7867fd361be0eab9ce65.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe
1160	hcboem.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

1b720c4ff748f45b527cd8a6b41b560c2514106492bc7867fd361be0eab9ce65.exehcboem.exe

pid process

756 1b720c4ff748f45b527cd8a6b41b560c2514106492bc7867fd361be0eab9ce65.exe
1160 hcboem.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

1b720c4ff748f45b527cd8a6b41b560c2514106492bc7867fd361be0eab9ce65.exe

description	pid	process	target process
PID 756 wrote to memory of 1160	756	1b720c4ff748f45b527cd8a6b41b560c2514106492bc7867fd361be0eab9ce65.exe	hcboem.exe
PID 756 wrote to memory of 1160	756	1b720c4ff748f45b527cd8a6b41b560c2514106492bc7867fd361be0eab9ce65.exe	hcboem.exe
PID 756 wrote to memory of 1160	756	1b720c4ff748f45b527cd8a6b41b560c2514106492bc7867fd361be0eab9ce65.exe	hcboem.exe
PID 756 wrote to memory of 1160	756	1b720c4ff748f45b527cd8a6b41b560c2514106492bc7867fd361be0eab9ce65.exe	hcboem.exe

C:\Users\Admin\AppData\Local\Temp\1b720c4ff748f45b527cd8a6b41b560c2514106492bc7867fd361be0eab9ce65.exe
"C:\Users\Admin\AppData\Local\Temp\1b720c4ff748f45b527cd8a6b41b560c2514106492bc7867fd361be0eab9ce65.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:756

C:\Users\Admin\hcboem.exe
"C:\Users\Admin\hcboem.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:1160

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\hcboem.exe

Filesize
152KB

MD5
5d6dbfc59de3c1b8deeb8118cda0d34e

SHA1
d3e0bae3bece6fe9d7295d6f78e24af8dc0e24e7

SHA256
cdcb614ce6f3da3c6a3729dac8c17464fbb55120774136868bbe96faa5785b6e

SHA512
e6376ce17297137a9c32bbb5ba6253d2746869b4b858a96ca93c4adc855c1c60daa89a9b27f74404be977a501410bd1a038c314f2117de4d9fb417faff919f2b

Download Submit
C:\Users\Admin\hcboem.exe

Filesize
152KB

MD5
5d6dbfc59de3c1b8deeb8118cda0d34e

SHA1
d3e0bae3bece6fe9d7295d6f78e24af8dc0e24e7

SHA256
cdcb614ce6f3da3c6a3729dac8c17464fbb55120774136868bbe96faa5785b6e

SHA512
e6376ce17297137a9c32bbb5ba6253d2746869b4b858a96ca93c4adc855c1c60daa89a9b27f74404be977a501410bd1a038c314f2117de4d9fb417faff919f2b

Download Submit
\Users\Admin\hcboem.exe

Filesize
152KB

MD5
5d6dbfc59de3c1b8deeb8118cda0d34e

SHA1
d3e0bae3bece6fe9d7295d6f78e24af8dc0e24e7

SHA256
cdcb614ce6f3da3c6a3729dac8c17464fbb55120774136868bbe96faa5785b6e

SHA512
e6376ce17297137a9c32bbb5ba6253d2746869b4b858a96ca93c4adc855c1c60daa89a9b27f74404be977a501410bd1a038c314f2117de4d9fb417faff919f2b

Download Submit
\Users\Admin\hcboem.exe

Filesize
152KB

MD5
5d6dbfc59de3c1b8deeb8118cda0d34e

SHA1
d3e0bae3bece6fe9d7295d6f78e24af8dc0e24e7

SHA256
cdcb614ce6f3da3c6a3729dac8c17464fbb55120774136868bbe96faa5785b6e

SHA512
e6376ce17297137a9c32bbb5ba6253d2746869b4b858a96ca93c4adc855c1c60daa89a9b27f74404be977a501410bd1a038c314f2117de4d9fb417faff919f2b

Download Submit
memory/756-56-0x0000000074E61000-0x0000000074E63000-memory.dmp

Filesize
8KB

Download
memory/1160-59-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads