cb379333f2a796eeb8292986d12fd220937dee09a0e5a0239b2331e95b337bca

Analysis

max time kernel
188s
max time network
194s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
06/11/2022, 20:31

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General

Target

Trojan-Ransom.Win32.Blocker.exe
Size

644KB
MD5

a89f0c6fc0d3e498049af7373f8f8b19
SHA1

bd65984f8fa68fa7427f51a170821862a9a04c4d
SHA256

cb379333f2a796eeb8292986d12fd220937dee09a0e5a0239b2331e95b337bca
SHA512

5eca8d136e533b120f351d15734e17a20302590ec28224043b7a08acc45334b00345b58fa89fdc6f9f8d419803ea6586032709e5170900b3250767cd0c7a288c
SSDEEP

12288:uWY5nSOhCNw7eupoJDLRF9+sNU2AfDNKVmO3lys94Nq45DpWGYV0VHCwkrcsOE:uWYRYw6upoxLjksAfaF3lB94NqsQV0Vs

Score

8^/10

persistence upx

Malware Config

Signatures

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	Trojan-Ransom.Win32.Blocker.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/5112-132-0x0000000000400000-0x0000000000598000-memory.dmp	upx
behavioral2/memory/5112-137-0x0000000000400000-0x0000000000598000-memory.dmp	upx
behavioral2/memory/5112-138-0x0000000000400000-0x0000000000598000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	Trojan-Ransom.Win32.Blocker.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\w1ndows_61b0 = "C:\\Users\\Admin\\AppData\\Roaming\\w1ndows_61b0.exe"	Trojan-Ransom.Win32.Blocker.exe

C:\Users\Admin\AppData\Local\Temp\Trojan-Ransom.Win32.Blocker.exe
"C:\Users\Admin\AppData\Local\Temp\Trojan-Ransom.Win32.Blocker.exe"
1⤵
- Drops file in Drivers directory
- Adds Run key to start application
PID:5112

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/5112-132-0x0000000000400000-0x0000000000598000-memory.dmp

Filesize
1.6MB

Download
memory/5112-133-0x0000000010000000-0x000000001002A000-memory.dmp

Filesize
168KB

Download
memory/5112-137-0x0000000000400000-0x0000000000598000-memory.dmp

Filesize
1.6MB

Download
memory/5112-138-0x0000000000400000-0x0000000000598000-memory.dmp

Filesize
1.6MB

Download