c5dba8b872088eda313e76f722e3736c57af8bef1ecf75147e29ef6a175aca5b

General

Target

c5dba8b872088eda313e76f722e3736c57af8bef1ecf75147e29ef6a175aca5b.exe
Size

180KB
MD5

0085cfa673c43eef918d943fba4ff801
SHA1

2a6d187604b86bad60a52d9fccc2b29b1a20769e
SHA256

c5dba8b872088eda313e76f722e3736c57af8bef1ecf75147e29ef6a175aca5b
SHA512

acc9828585df59816109e2c2cf3f4ed419f2260c81c1eadd82ecdaf35921f345939e23b3e28ece40aa99ec16ee5047acf44bb9357e1b3261b9422135231d87b3
SSDEEP

3072:yI+GdYRLoeEdRos/eaqFnqWDb+uTyLDC6s5sSYqGlC6YViZj5HQXZmmJ0yCFioxj:dHcKPpm2lC6YViZj5HQXZmmJ0yCF9Bxp

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:

c5dba8b872088eda313e76f722e3736c57af8bef1ecf75147e29ef6a175aca5b.exetcbeh.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	c5dba8b872088eda313e76f722e3736c57af8bef1ecf75147e29ef6a175aca5b.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	tcbeh.exe

Executes dropped EXE 1 IoCs

Processes:

tcbeh.exe

pid process

1212 tcbeh.exe

pid	process
1212	tcbeh.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:

c5dba8b872088eda313e76f722e3736c57af8bef1ecf75147e29ef6a175aca5b.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	c5dba8b872088eda313e76f722e3736c57af8bef1ecf75147e29ef6a175aca5b.exe

Adds Run key to start application 2 TTPs 48 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

tcbeh.exec5dba8b872088eda313e76f722e3736c57af8bef1ecf75147e29ef6a175aca5b.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tcbeh = "C:\\Users\\Admin\\tcbeh.exe /B"	tcbeh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tcbeh = "C:\\Users\\Admin\\tcbeh.exe /n"	tcbeh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tcbeh = "C:\\Users\\Admin\\tcbeh.exe /I"	tcbeh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tcbeh = "C:\\Users\\Admin\\tcbeh.exe /r"	tcbeh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tcbeh = "C:\\Users\\Admin\\tcbeh.exe /j"	tcbeh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tcbeh = "C:\\Users\\Admin\\tcbeh.exe /c"	tcbeh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tcbeh = "C:\\Users\\Admin\\tcbeh.exe /e"	tcbeh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tcbeh = "C:\\Users\\Admin\\tcbeh.exe /l"	tcbeh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tcbeh = "C:\\Users\\Admin\\tcbeh.exe /Y"	tcbeh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tcbeh = "C:\\Users\\Admin\\tcbeh.exe /v"	tcbeh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tcbeh = "C:\\Users\\Admin\\tcbeh.exe /X"	tcbeh.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run\	c5dba8b872088eda313e76f722e3736c57af8bef1ecf75147e29ef6a175aca5b.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tcbeh = "C:\\Users\\Admin\\tcbeh.exe /p"	tcbeh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tcbeh = "C:\\Users\\Admin\\tcbeh.exe /b"	tcbeh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tcbeh = "C:\\Users\\Admin\\tcbeh.exe /u"	tcbeh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tcbeh = "C:\\Users\\Admin\\tcbeh.exe /d"	tcbeh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tcbeh = "C:\\Users\\Admin\\tcbeh.exe /Z"	tcbeh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tcbeh = "C:\\Users\\Admin\\tcbeh.exe /C"	tcbeh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tcbeh = "C:\\Users\\Admin\\tcbeh.exe /i"	tcbeh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tcbeh = "C:\\Users\\Admin\\tcbeh.exe /J"	tcbeh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tcbeh = "C:\\Users\\Admin\\tcbeh.exe /x"	tcbeh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tcbeh = "C:\\Users\\Admin\\tcbeh.exe /R"	tcbeh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tcbeh = "C:\\Users\\Admin\\tcbeh.exe /Q"	tcbeh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tcbeh = "C:\\Users\\Admin\\tcbeh.exe /K"	tcbeh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tcbeh = "C:\\Users\\Admin\\tcbeh.exe /a"	tcbeh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tcbeh = "C:\\Users\\Admin\\tcbeh.exe /S"	tcbeh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tcbeh = "C:\\Users\\Admin\\tcbeh.exe /s"	tcbeh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tcbeh = "C:\\Users\\Admin\\tcbeh.exe /o"	tcbeh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tcbeh = "C:\\Users\\Admin\\tcbeh.exe /N"	tcbeh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tcbeh = "C:\\Users\\Admin\\tcbeh.exe /M"	tcbeh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tcbeh = "C:\\Users\\Admin\\tcbeh.exe /W"	tcbeh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tcbeh = "C:\\Users\\Admin\\tcbeh.exe /z"	tcbeh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tcbeh = "C:\\Users\\Admin\\tcbeh.exe /H"	tcbeh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tcbeh = "C:\\Users\\Admin\\tcbeh.exe /A"	tcbeh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tcbeh = "C:\\Users\\Admin\\tcbeh.exe /E"	tcbeh.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run\	tcbeh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tcbeh = "C:\\Users\\Admin\\tcbeh.exe /w"	tcbeh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tcbeh = "C:\\Users\\Admin\\tcbeh.exe /k"	tcbeh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tcbeh = "C:\\Users\\Admin\\tcbeh.exe /T"	tcbeh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tcbeh = "C:\\Users\\Admin\\tcbeh.exe /t"	tcbeh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tcbeh = "C:\\Users\\Admin\\tcbeh.exe /g"	c5dba8b872088eda313e76f722e3736c57af8bef1ecf75147e29ef6a175aca5b.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tcbeh = "C:\\Users\\Admin\\tcbeh.exe /g"	tcbeh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tcbeh = "C:\\Users\\Admin\\tcbeh.exe /D"	tcbeh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tcbeh = "C:\\Users\\Admin\\tcbeh.exe /h"	tcbeh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tcbeh = "C:\\Users\\Admin\\tcbeh.exe /f"	tcbeh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tcbeh = "C:\\Users\\Admin\\tcbeh.exe /G"	tcbeh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tcbeh = "C:\\Users\\Admin\\tcbeh.exe /y"	tcbeh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tcbeh = "C:\\Users\\Admin\\tcbeh.exe /V"	tcbeh.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:

c5dba8b872088eda313e76f722e3736c57af8bef1ecf75147e29ef6a175aca5b.exetcbeh.exe

pid	process
864	c5dba8b872088eda313e76f722e3736c57af8bef1ecf75147e29ef6a175aca5b.exe
864	c5dba8b872088eda313e76f722e3736c57af8bef1ecf75147e29ef6a175aca5b.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe
1212	tcbeh.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

c5dba8b872088eda313e76f722e3736c57af8bef1ecf75147e29ef6a175aca5b.exetcbeh.exe

pid process

864 c5dba8b872088eda313e76f722e3736c57af8bef1ecf75147e29ef6a175aca5b.exe
1212 tcbeh.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

c5dba8b872088eda313e76f722e3736c57af8bef1ecf75147e29ef6a175aca5b.exe

description	pid	process	target process
PID 864 wrote to memory of 1212	864	c5dba8b872088eda313e76f722e3736c57af8bef1ecf75147e29ef6a175aca5b.exe	tcbeh.exe
PID 864 wrote to memory of 1212	864	c5dba8b872088eda313e76f722e3736c57af8bef1ecf75147e29ef6a175aca5b.exe	tcbeh.exe
PID 864 wrote to memory of 1212	864	c5dba8b872088eda313e76f722e3736c57af8bef1ecf75147e29ef6a175aca5b.exe	tcbeh.exe
PID 864 wrote to memory of 1212	864	c5dba8b872088eda313e76f722e3736c57af8bef1ecf75147e29ef6a175aca5b.exe	tcbeh.exe
PID 864 wrote to memory of 1212	864	c5dba8b872088eda313e76f722e3736c57af8bef1ecf75147e29ef6a175aca5b.exe	tcbeh.exe

C:\Users\Admin\AppData\Local\Temp\c5dba8b872088eda313e76f722e3736c57af8bef1ecf75147e29ef6a175aca5b.exe
"C:\Users\Admin\AppData\Local\Temp\c5dba8b872088eda313e76f722e3736c57af8bef1ecf75147e29ef6a175aca5b.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:864

C:\Users\Admin\tcbeh.exe
"C:\Users\Admin\tcbeh.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:1212

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\tcbeh.exe

Filesize
180KB

MD5
1b0597b7c09edb2e43fa2cc09355c684

SHA1
50d5b6c9226ef1614b29c825c2e994920c8d82af

SHA256
a94076cc778df61783922ac6fdc2e58572d10909dd2e5d1062abd0bcc8bd8067

SHA512
67598e26de7de06f4771ae4b0f7de9afe39115feee200af3b031d4bb26f478ef6f48cdc86886de24ec2aeecc9db95ccc1b560cce4032605724d7d8c074a6ac82

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

Filesize
180KB

MD5
1b0597b7c09edb2e43fa2cc09355c684

SHA1
50d5b6c9226ef1614b29c825c2e994920c8d82af

SHA256
a94076cc778df61783922ac6fdc2e58572d10909dd2e5d1062abd0bcc8bd8067

SHA512
67598e26de7de06f4771ae4b0f7de9afe39115feee200af3b031d4bb26f478ef6f48cdc86886de24ec2aeecc9db95ccc1b560cce4032605724d7d8c074a6ac82

Download Submit
memory/1212-135-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads