4b3002cb11108769244c1d3c8c2ecc7fad82ab8168461f01a03457c3dbf9f27d

General

Target

4b3002cb11108769244c1d3c8c2ecc7fad82ab8168461f01a03457c3dbf9f27d.exe
Size

151KB
MD5

19355457a99e0fd96085685c1a8123cd
SHA1

27f4bf02966e73896cddc35833bdbc75c7798849
SHA256

4b3002cb11108769244c1d3c8c2ecc7fad82ab8168461f01a03457c3dbf9f27d
SHA512

a99959dc6801827b1804af83b9446bbc33cbbc25290019484da6adc8597e2fce5a487946771b26f1684ba60911c054f894c2ab35c6ad91066dbcee67cf69e042
SSDEEP

3072:61wfWqA7kvN5phKDms6Lw6ugwfNv1bfMig:AKk7k15vhz06aNhM9

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	4b3002cb11108769244c1d3c8c2ecc7fad82ab8168461f01a03457c3dbf9f27d.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\software\WOW6432Node\Microsoft\Windows\CurrentVersion\run	4b3002cb11108769244c1d3c8c2ecc7fad82ab8168461f01a03457c3dbf9f27d.exe

Enumerates connected drives 3 TTPs 22 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\Y:	4b3002cb11108769244c1d3c8c2ecc7fad82ab8168461f01a03457c3dbf9f27d.exe
File opened (read-only)	\??\U:	4b3002cb11108769244c1d3c8c2ecc7fad82ab8168461f01a03457c3dbf9f27d.exe
File opened (read-only)	\??\T:	4b3002cb11108769244c1d3c8c2ecc7fad82ab8168461f01a03457c3dbf9f27d.exe
File opened (read-only)	\??\P:	4b3002cb11108769244c1d3c8c2ecc7fad82ab8168461f01a03457c3dbf9f27d.exe
File opened (read-only)	\??\F:	4b3002cb11108769244c1d3c8c2ecc7fad82ab8168461f01a03457c3dbf9f27d.exe
File opened (read-only)	\??\Z:	4b3002cb11108769244c1d3c8c2ecc7fad82ab8168461f01a03457c3dbf9f27d.exe
File opened (read-only)	\??\S:	4b3002cb11108769244c1d3c8c2ecc7fad82ab8168461f01a03457c3dbf9f27d.exe
File opened (read-only)	\??\O:	4b3002cb11108769244c1d3c8c2ecc7fad82ab8168461f01a03457c3dbf9f27d.exe
File opened (read-only)	\??\K:	4b3002cb11108769244c1d3c8c2ecc7fad82ab8168461f01a03457c3dbf9f27d.exe
File opened (read-only)	\??\H:	4b3002cb11108769244c1d3c8c2ecc7fad82ab8168461f01a03457c3dbf9f27d.exe
File opened (read-only)	\??\X:	4b3002cb11108769244c1d3c8c2ecc7fad82ab8168461f01a03457c3dbf9f27d.exe
File opened (read-only)	\??\W:	4b3002cb11108769244c1d3c8c2ecc7fad82ab8168461f01a03457c3dbf9f27d.exe
File opened (read-only)	\??\Q:	4b3002cb11108769244c1d3c8c2ecc7fad82ab8168461f01a03457c3dbf9f27d.exe
File opened (read-only)	\??\N:	4b3002cb11108769244c1d3c8c2ecc7fad82ab8168461f01a03457c3dbf9f27d.exe
File opened (read-only)	\??\G:	4b3002cb11108769244c1d3c8c2ecc7fad82ab8168461f01a03457c3dbf9f27d.exe
File opened (read-only)	\??\V:	4b3002cb11108769244c1d3c8c2ecc7fad82ab8168461f01a03457c3dbf9f27d.exe
File opened (read-only)	\??\R:	4b3002cb11108769244c1d3c8c2ecc7fad82ab8168461f01a03457c3dbf9f27d.exe
File opened (read-only)	\??\M:	4b3002cb11108769244c1d3c8c2ecc7fad82ab8168461f01a03457c3dbf9f27d.exe
File opened (read-only)	\??\L:	4b3002cb11108769244c1d3c8c2ecc7fad82ab8168461f01a03457c3dbf9f27d.exe
File opened (read-only)	\??\J:	4b3002cb11108769244c1d3c8c2ecc7fad82ab8168461f01a03457c3dbf9f27d.exe
File opened (read-only)	\??\I:	4b3002cb11108769244c1d3c8c2ecc7fad82ab8168461f01a03457c3dbf9f27d.exe
File opened (read-only)	\??\E:	4b3002cb11108769244c1d3c8c2ecc7fad82ab8168461f01a03457c3dbf9f27d.exe

Drops autorun.inf file 1 TTPs 2 IoCs

Malware can abuse Windows Autorun to spread further via attached volumes.

Replication Through Removable Media

T1091

description	ioc	Process
File opened for modification	C:\autorun.inf	4b3002cb11108769244c1d3c8c2ecc7fad82ab8168461f01a03457c3dbf9f27d.exe
File opened for modification	C:\Documents and Settings\Admin\Local Settings\Application Data\Microsoft\CD Burning\autorun.inf	4b3002cb11108769244c1d3c8c2ecc7fad82ab8168461f01a03457c3dbf9f27d.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings	4b3002cb11108769244c1d3c8c2ecc7fad82ab8168461f01a03457c3dbf9f27d.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4836	4b3002cb11108769244c1d3c8c2ecc7fad82ab8168461f01a03457c3dbf9f27d.exe
4836	4b3002cb11108769244c1d3c8c2ecc7fad82ab8168461f01a03457c3dbf9f27d.exe

C:\Users\Admin\AppData\Local\Temp\4b3002cb11108769244c1d3c8c2ecc7fad82ab8168461f01a03457c3dbf9f27d.exe
"C:\Users\Admin\AppData\Local\Temp\4b3002cb11108769244c1d3c8c2ecc7fad82ab8168461f01a03457c3dbf9f27d.exe"
1⤵
- Modifies visibility of file extensions in Explorer
- Adds Run key to start application
- Enumerates connected drives
- Drops autorun.inf file
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
PID:4836

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:1944

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

2

T1082

Lateral Movement

Replication Through Removable Media

1

T1091

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/4836-135-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/4836-136-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads