658aeca5165dfcb2f6959bde36d7fb3323d51584788db52001c63054ff731934

General

Target

658aeca5165dfcb2f6959bde36d7fb3323d51584788db52001c63054ff731934.exe
Size

196KB
MD5

2bc9aef0289d6c160dc0bee8a6b42781
SHA1

70b28036174d2822601458c1670b97da3625e491
SHA256

658aeca5165dfcb2f6959bde36d7fb3323d51584788db52001c63054ff731934
SHA512

11e7cb4aac9f61c2755116cbc8e829e3cbeaa911df66dbb7817f6ed6b901d69e204b09356aa41d81b9dbe8f2568c166861d10af45faabce5a5a778e5c0144236
SSDEEP

6144:+c14K16oTJWvfU4+bOl8femcK/fObT/bGimszUf7Wq3:b3AoTMvs4+bOlNK/fObT/bGipE7F

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:

658aeca5165dfcb2f6959bde36d7fb3323d51584788db52001c63054ff731934.execuanuv.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"	658aeca5165dfcb2f6959bde36d7fb3323d51584788db52001c63054ff731934.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	cuanuv.exe

Executes dropped EXE 1 IoCs

Processes:

cuanuv.exe

pid process

1180 cuanuv.exe

pid	process
1180	cuanuv.exe

Loads dropped DLL 2 IoCs

Processes:

658aeca5165dfcb2f6959bde36d7fb3323d51584788db52001c63054ff731934.exe

pid	process
1188	658aeca5165dfcb2f6959bde36d7fb3323d51584788db52001c63054ff731934.exe
1188	658aeca5165dfcb2f6959bde36d7fb3323d51584788db52001c63054ff731934.exe

Adds Run key to start application 2 TTPs 55 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

cuanuv.exe658aeca5165dfcb2f6959bde36d7fb3323d51584788db52001c63054ff731934.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuanuv = "C:\\Users\\Admin\\cuanuv.exe /z"	cuanuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuanuv = "C:\\Users\\Admin\\cuanuv.exe /M"	cuanuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuanuv = "C:\\Users\\Admin\\cuanuv.exe /T"	cuanuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuanuv = "C:\\Users\\Admin\\cuanuv.exe /J"	cuanuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuanuv = "C:\\Users\\Admin\\cuanuv.exe /e"	cuanuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuanuv = "C:\\Users\\Admin\\cuanuv.exe /I"	cuanuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuanuv = "C:\\Users\\Admin\\cuanuv.exe /P"	cuanuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuanuv = "C:\\Users\\Admin\\cuanuv.exe /Z"	cuanuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuanuv = "C:\\Users\\Admin\\cuanuv.exe /X"	cuanuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuanuv = "C:\\Users\\Admin\\cuanuv.exe /g"	cuanuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuanuv = "C:\\Users\\Admin\\cuanuv.exe /R"	cuanuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuanuv = "C:\\Users\\Admin\\cuanuv.exe /S"	cuanuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuanuv = "C:\\Users\\Admin\\cuanuv.exe /B"	cuanuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuanuv = "C:\\Users\\Admin\\cuanuv.exe /r"	cuanuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuanuv = "C:\\Users\\Admin\\cuanuv.exe /G"	cuanuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuanuv = "C:\\Users\\Admin\\cuanuv.exe /H"	cuanuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuanuv = "C:\\Users\\Admin\\cuanuv.exe /v"	cuanuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuanuv = "C:\\Users\\Admin\\cuanuv.exe /U"	cuanuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuanuv = "C:\\Users\\Admin\\cuanuv.exe /F"	658aeca5165dfcb2f6959bde36d7fb3323d51584788db52001c63054ff731934.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuanuv = "C:\\Users\\Admin\\cuanuv.exe /N"	cuanuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuanuv = "C:\\Users\\Admin\\cuanuv.exe /b"	cuanuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuanuv = "C:\\Users\\Admin\\cuanuv.exe /V"	cuanuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuanuv = "C:\\Users\\Admin\\cuanuv.exe /p"	cuanuv.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\	658aeca5165dfcb2f6959bde36d7fb3323d51584788db52001c63054ff731934.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuanuv = "C:\\Users\\Admin\\cuanuv.exe /E"	cuanuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuanuv = "C:\\Users\\Admin\\cuanuv.exe /q"	cuanuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuanuv = "C:\\Users\\Admin\\cuanuv.exe /C"	cuanuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuanuv = "C:\\Users\\Admin\\cuanuv.exe /h"	cuanuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuanuv = "C:\\Users\\Admin\\cuanuv.exe /o"	cuanuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuanuv = "C:\\Users\\Admin\\cuanuv.exe /A"	cuanuv.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\	cuanuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuanuv = "C:\\Users\\Admin\\cuanuv.exe /x"	cuanuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuanuv = "C:\\Users\\Admin\\cuanuv.exe /a"	cuanuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuanuv = "C:\\Users\\Admin\\cuanuv.exe /O"	cuanuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuanuv = "C:\\Users\\Admin\\cuanuv.exe /c"	cuanuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuanuv = "C:\\Users\\Admin\\cuanuv.exe /W"	cuanuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuanuv = "C:\\Users\\Admin\\cuanuv.exe /k"	cuanuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuanuv = "C:\\Users\\Admin\\cuanuv.exe /Q"	cuanuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuanuv = "C:\\Users\\Admin\\cuanuv.exe /n"	cuanuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuanuv = "C:\\Users\\Admin\\cuanuv.exe /s"	cuanuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuanuv = "C:\\Users\\Admin\\cuanuv.exe /m"	cuanuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuanuv = "C:\\Users\\Admin\\cuanuv.exe /t"	cuanuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuanuv = "C:\\Users\\Admin\\cuanuv.exe /d"	cuanuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuanuv = "C:\\Users\\Admin\\cuanuv.exe /F"	cuanuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuanuv = "C:\\Users\\Admin\\cuanuv.exe /l"	cuanuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuanuv = "C:\\Users\\Admin\\cuanuv.exe /y"	cuanuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuanuv = "C:\\Users\\Admin\\cuanuv.exe /u"	cuanuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuanuv = "C:\\Users\\Admin\\cuanuv.exe /D"	cuanuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuanuv = "C:\\Users\\Admin\\cuanuv.exe /i"	cuanuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuanuv = "C:\\Users\\Admin\\cuanuv.exe /j"	cuanuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuanuv = "C:\\Users\\Admin\\cuanuv.exe /L"	cuanuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuanuv = "C:\\Users\\Admin\\cuanuv.exe /w"	cuanuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuanuv = "C:\\Users\\Admin\\cuanuv.exe /Y"	cuanuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuanuv = "C:\\Users\\Admin\\cuanuv.exe /f"	cuanuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuanuv = "C:\\Users\\Admin\\cuanuv.exe /K"	cuanuv.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:

658aeca5165dfcb2f6959bde36d7fb3323d51584788db52001c63054ff731934.execuanuv.exe

pid	process
1188	658aeca5165dfcb2f6959bde36d7fb3323d51584788db52001c63054ff731934.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe
1180	cuanuv.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

658aeca5165dfcb2f6959bde36d7fb3323d51584788db52001c63054ff731934.execuanuv.exe

pid process

1188 658aeca5165dfcb2f6959bde36d7fb3323d51584788db52001c63054ff731934.exe
1180 cuanuv.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

658aeca5165dfcb2f6959bde36d7fb3323d51584788db52001c63054ff731934.exe

description	pid	process	target process
PID 1188 wrote to memory of 1180	1188	658aeca5165dfcb2f6959bde36d7fb3323d51584788db52001c63054ff731934.exe	cuanuv.exe
PID 1188 wrote to memory of 1180	1188	658aeca5165dfcb2f6959bde36d7fb3323d51584788db52001c63054ff731934.exe	cuanuv.exe
PID 1188 wrote to memory of 1180	1188	658aeca5165dfcb2f6959bde36d7fb3323d51584788db52001c63054ff731934.exe	cuanuv.exe
PID 1188 wrote to memory of 1180	1188	658aeca5165dfcb2f6959bde36d7fb3323d51584788db52001c63054ff731934.exe	cuanuv.exe

C:\Users\Admin\AppData\Local\Temp\658aeca5165dfcb2f6959bde36d7fb3323d51584788db52001c63054ff731934.exe
"C:\Users\Admin\AppData\Local\Temp\658aeca5165dfcb2f6959bde36d7fb3323d51584788db52001c63054ff731934.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:1188

C:\Users\Admin\cuanuv.exe
"C:\Users\Admin\cuanuv.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:1180

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\cuanuv.exe

Filesize
196KB

MD5
11c205649b3396f765df0e7e3fe53b95

SHA1
50c0fb128f4dfc93f190abcb0b52fd9604098906

SHA256
89d3fecff8c736921e0741df5aafba8933520ffdee94cbdd1da479478d528fe7

SHA512
93dd7fb0f0adccf85a2d5060d9efe3208d24d02b403c5dcd4eb93cda5471d1336a70d61720af7e17d239b63ef3a78a4fee275f1e878a945a88454bff309d7a14

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

Filesize
196KB

MD5
11c205649b3396f765df0e7e3fe53b95

SHA1
50c0fb128f4dfc93f190abcb0b52fd9604098906

SHA256
89d3fecff8c736921e0741df5aafba8933520ffdee94cbdd1da479478d528fe7

SHA512
93dd7fb0f0adccf85a2d5060d9efe3208d24d02b403c5dcd4eb93cda5471d1336a70d61720af7e17d239b63ef3a78a4fee275f1e878a945a88454bff309d7a14

Download Submit
\Users\Admin\cuanuv.exe

Filesize
196KB

MD5
11c205649b3396f765df0e7e3fe53b95

SHA1
50c0fb128f4dfc93f190abcb0b52fd9604098906

SHA256
89d3fecff8c736921e0741df5aafba8933520ffdee94cbdd1da479478d528fe7

SHA512
93dd7fb0f0adccf85a2d5060d9efe3208d24d02b403c5dcd4eb93cda5471d1336a70d61720af7e17d239b63ef3a78a4fee275f1e878a945a88454bff309d7a14

Download Submit
\Users\Admin\cuanuv.exe

Filesize
196KB

MD5
11c205649b3396f765df0e7e3fe53b95

SHA1
50c0fb128f4dfc93f190abcb0b52fd9604098906

SHA256
89d3fecff8c736921e0741df5aafba8933520ffdee94cbdd1da479478d528fe7

SHA512
93dd7fb0f0adccf85a2d5060d9efe3208d24d02b403c5dcd4eb93cda5471d1336a70d61720af7e17d239b63ef3a78a4fee275f1e878a945a88454bff309d7a14

Download Submit
memory/1180-59-0x0000000000000000-mapping.dmp

Download
memory/1188-56-0x0000000075091000-0x0000000075093000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads