999384f7156bffb12aedb17beba992da66de4d19a514edc160f063e6c431c04b

General

Target

999384f7156bffb12aedb17beba992da66de4d19a514edc160f063e6c431c04b.exe
Size

120KB
MD5

5e6ace4c857d82137cf56ed21ea96d00
SHA1

d90e659bcabff96081b4a95ba61db0c1de703713
SHA256

999384f7156bffb12aedb17beba992da66de4d19a514edc160f063e6c431c04b
SHA512

e06f8a9c18142fbdb84d42d2612ed027302351976b20e86e0780bb2d37de71fd0be4ff0042548553ab1b4fc8536311515aedea62f5257e8e845408ac81a210ad
SSDEEP

3072:trPtxL6Km4Pno2dvt95ycyLnZSi0O8Xf6hJDqBDcP2:ptxL6KjFt95ycyLnZSih8Xf6hJDqmO

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:

slxut.exe999384f7156bffb12aedb17beba992da66de4d19a514edc160f063e6c431c04b.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	slxut.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	999384f7156bffb12aedb17beba992da66de4d19a514edc160f063e6c431c04b.exe

Executes dropped EXE 2 IoCs

Processes:

slxut.exeslxut.exe

pid process

1260 slxut.exe
1544 slxut.exe

pid	process
1260	slxut.exe
1544	slxut.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:

999384f7156bffb12aedb17beba992da66de4d19a514edc160f063e6c431c04b.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	999384f7156bffb12aedb17beba992da66de4d19a514edc160f063e6c431c04b.exe

Adds Run key to start application 2 TTPs 28 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

slxut.exe999384f7156bffb12aedb17beba992da66de4d19a514edc160f063e6c431c04b.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\slxut = "C:\\Users\\Admin\\slxut.exe /y"	slxut.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\slxut = "C:\\Users\\Admin\\slxut.exe /p"	slxut.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\slxut = "C:\\Users\\Admin\\slxut.exe /v"	slxut.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\slxut = "C:\\Users\\Admin\\slxut.exe /t"	slxut.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\slxut = "C:\\Users\\Admin\\slxut.exe /c"	slxut.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\slxut = "C:\\Users\\Admin\\slxut.exe /r"	slxut.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\slxut = "C:\\Users\\Admin\\slxut.exe /s"	slxut.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\slxut = "C:\\Users\\Admin\\slxut.exe /f"	slxut.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\slxut = "C:\\Users\\Admin\\slxut.exe /z"	slxut.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\slxut = "C:\\Users\\Admin\\slxut.exe /l"	slxut.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\slxut = "C:\\Users\\Admin\\slxut.exe /u"	slxut.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\slxut = "C:\\Users\\Admin\\slxut.exe /r"	999384f7156bffb12aedb17beba992da66de4d19a514edc160f063e6c431c04b.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\slxut = "C:\\Users\\Admin\\slxut.exe /e"	slxut.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\slxut = "C:\\Users\\Admin\\slxut.exe /m"	slxut.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\slxut = "C:\\Users\\Admin\\slxut.exe /a"	slxut.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\slxut = "C:\\Users\\Admin\\slxut.exe /d"	slxut.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\slxut = "C:\\Users\\Admin\\slxut.exe /q"	slxut.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\slxut = "C:\\Users\\Admin\\slxut.exe /i"	slxut.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\slxut = "C:\\Users\\Admin\\slxut.exe /w"	slxut.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\slxut = "C:\\Users\\Admin\\slxut.exe /k"	slxut.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\slxut = "C:\\Users\\Admin\\slxut.exe /x"	slxut.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\slxut = "C:\\Users\\Admin\\slxut.exe /j"	slxut.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\slxut = "C:\\Users\\Admin\\slxut.exe /g"	slxut.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\slxut = "C:\\Users\\Admin\\slxut.exe /o"	slxut.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\	999384f7156bffb12aedb17beba992da66de4d19a514edc160f063e6c431c04b.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\	slxut.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\slxut = "C:\\Users\\Admin\\slxut.exe /n"	slxut.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\slxut = "C:\\Users\\Admin\\slxut.exe /h"	slxut.exe

Maps connected drives based on registry 3 TTPs 4 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

slxut.exe999384f7156bffb12aedb17beba992da66de4d19a514edc160f063e6c431c04b.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	slxut.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	999384f7156bffb12aedb17beba992da66de4d19a514edc160f063e6c431c04b.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	999384f7156bffb12aedb17beba992da66de4d19a514edc160f063e6c431c04b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	slxut.exe

Drops autorun.inf file 1 TTPs 1 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.

Replication Through Removable Media
T1091

Processes:

slxut.exe

description ioc process

File opened for modification C:\Users\Admin\c\autorun.inf slxut.exe

description	ioc	process
File opened for modification	C:\Users\Admin\c\autorun.inf	slxut.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

999384f7156bffb12aedb17beba992da66de4d19a514edc160f063e6c431c04b.exeslxut.exe

description	pid	process	target process
PID 5052 set thread context of 4888	5052	999384f7156bffb12aedb17beba992da66de4d19a514edc160f063e6c431c04b.exe	999384f7156bffb12aedb17beba992da66de4d19a514edc160f063e6c431c04b.exe
PID 1260 set thread context of 1544	1260	slxut.exe	slxut.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:

999384f7156bffb12aedb17beba992da66de4d19a514edc160f063e6c431c04b.exeslxut.exe

pid	process
4888	999384f7156bffb12aedb17beba992da66de4d19a514edc160f063e6c431c04b.exe
4888	999384f7156bffb12aedb17beba992da66de4d19a514edc160f063e6c431c04b.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe
1544	slxut.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

999384f7156bffb12aedb17beba992da66de4d19a514edc160f063e6c431c04b.exe999384f7156bffb12aedb17beba992da66de4d19a514edc160f063e6c431c04b.exeslxut.exeslxut.exe

pid	process
5052	999384f7156bffb12aedb17beba992da66de4d19a514edc160f063e6c431c04b.exe
4888	999384f7156bffb12aedb17beba992da66de4d19a514edc160f063e6c431c04b.exe
1260	slxut.exe
1544	slxut.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

999384f7156bffb12aedb17beba992da66de4d19a514edc160f063e6c431c04b.exe999384f7156bffb12aedb17beba992da66de4d19a514edc160f063e6c431c04b.exeslxut.exe

description	pid	process	target process
PID 5052 wrote to memory of 4888	5052	999384f7156bffb12aedb17beba992da66de4d19a514edc160f063e6c431c04b.exe	999384f7156bffb12aedb17beba992da66de4d19a514edc160f063e6c431c04b.exe
PID 5052 wrote to memory of 4888	5052	999384f7156bffb12aedb17beba992da66de4d19a514edc160f063e6c431c04b.exe	999384f7156bffb12aedb17beba992da66de4d19a514edc160f063e6c431c04b.exe
PID 5052 wrote to memory of 4888	5052	999384f7156bffb12aedb17beba992da66de4d19a514edc160f063e6c431c04b.exe	999384f7156bffb12aedb17beba992da66de4d19a514edc160f063e6c431c04b.exe
PID 5052 wrote to memory of 4888	5052	999384f7156bffb12aedb17beba992da66de4d19a514edc160f063e6c431c04b.exe	999384f7156bffb12aedb17beba992da66de4d19a514edc160f063e6c431c04b.exe
PID 5052 wrote to memory of 4888	5052	999384f7156bffb12aedb17beba992da66de4d19a514edc160f063e6c431c04b.exe	999384f7156bffb12aedb17beba992da66de4d19a514edc160f063e6c431c04b.exe
PID 5052 wrote to memory of 4888	5052	999384f7156bffb12aedb17beba992da66de4d19a514edc160f063e6c431c04b.exe	999384f7156bffb12aedb17beba992da66de4d19a514edc160f063e6c431c04b.exe
PID 5052 wrote to memory of 4888	5052	999384f7156bffb12aedb17beba992da66de4d19a514edc160f063e6c431c04b.exe	999384f7156bffb12aedb17beba992da66de4d19a514edc160f063e6c431c04b.exe
PID 5052 wrote to memory of 4888	5052	999384f7156bffb12aedb17beba992da66de4d19a514edc160f063e6c431c04b.exe	999384f7156bffb12aedb17beba992da66de4d19a514edc160f063e6c431c04b.exe
PID 5052 wrote to memory of 4888	5052	999384f7156bffb12aedb17beba992da66de4d19a514edc160f063e6c431c04b.exe	999384f7156bffb12aedb17beba992da66de4d19a514edc160f063e6c431c04b.exe
PID 4888 wrote to memory of 1260	4888	999384f7156bffb12aedb17beba992da66de4d19a514edc160f063e6c431c04b.exe	slxut.exe
PID 4888 wrote to memory of 1260	4888	999384f7156bffb12aedb17beba992da66de4d19a514edc160f063e6c431c04b.exe	slxut.exe
PID 4888 wrote to memory of 1260	4888	999384f7156bffb12aedb17beba992da66de4d19a514edc160f063e6c431c04b.exe	slxut.exe
PID 1260 wrote to memory of 1544	1260	slxut.exe	slxut.exe
PID 1260 wrote to memory of 1544	1260	slxut.exe	slxut.exe
PID 1260 wrote to memory of 1544	1260	slxut.exe	slxut.exe
PID 1260 wrote to memory of 1544	1260	slxut.exe	slxut.exe
PID 1260 wrote to memory of 1544	1260	slxut.exe	slxut.exe
PID 1260 wrote to memory of 1544	1260	slxut.exe	slxut.exe
PID 1260 wrote to memory of 1544	1260	slxut.exe	slxut.exe
PID 1260 wrote to memory of 1544	1260	slxut.exe	slxut.exe
PID 1260 wrote to memory of 1544	1260	slxut.exe	slxut.exe

C:\Users\Admin\AppData\Local\Temp\999384f7156bffb12aedb17beba992da66de4d19a514edc160f063e6c431c04b.exe
"C:\Users\Admin\AppData\Local\Temp\999384f7156bffb12aedb17beba992da66de4d19a514edc160f063e6c431c04b.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5052

C:\Users\Admin\AppData\Local\Temp\999384f7156bffb12aedb17beba992da66de4d19a514edc160f063e6c431c04b.exe
71
2⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4888

C:\Users\Admin\slxut.exe
"C:\Users\Admin\slxut.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1260

C:\Users\Admin\slxut.exe
71
4⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Maps connected drives based on registry
- Drops autorun.inf file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1544

Network

MITRE ATT&CK Enterprise v6

Initial Access

Replication Through Removable Media

1

T1091

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

Peripheral Device Discovery

Query Registry

System Information Discovery

3

T1082

Lateral Movement

Replication Through Removable Media

1

T1091

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\slxut.exe

Filesize
120KB

MD5
5e6ace4c857d82137cf56ed21ea96d00

SHA1
d90e659bcabff96081b4a95ba61db0c1de703713

SHA256
999384f7156bffb12aedb17beba992da66de4d19a514edc160f063e6c431c04b

SHA512
e06f8a9c18142fbdb84d42d2612ed027302351976b20e86e0780bb2d37de71fd0be4ff0042548553ab1b4fc8536311515aedea62f5257e8e845408ac81a210ad

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

Filesize
120KB

MD5
5e6ace4c857d82137cf56ed21ea96d00

SHA1
d90e659bcabff96081b4a95ba61db0c1de703713

SHA256
999384f7156bffb12aedb17beba992da66de4d19a514edc160f063e6c431c04b

SHA512
e06f8a9c18142fbdb84d42d2612ed027302351976b20e86e0780bb2d37de71fd0be4ff0042548553ab1b4fc8536311515aedea62f5257e8e845408ac81a210ad

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

Filesize
120KB

MD5
5e6ace4c857d82137cf56ed21ea96d00

SHA1
d90e659bcabff96081b4a95ba61db0c1de703713

SHA256
999384f7156bffb12aedb17beba992da66de4d19a514edc160f063e6c431c04b

SHA512
e06f8a9c18142fbdb84d42d2612ed027302351976b20e86e0780bb2d37de71fd0be4ff0042548553ab1b4fc8536311515aedea62f5257e8e845408ac81a210ad

Download Submit
memory/1260-142-0x0000000000000000-mapping.dmp

Download
memory/1544-147-0x0000000000000000-mapping.dmp

Download
memory/1544-154-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1544-155-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4888-134-0x0000000000000000-mapping.dmp

Download
memory/4888-135-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4888-137-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4888-140-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4888-141-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads