4a9006cf3b6e40360af21fbc2c9c419a58212f9fc06cb2a534240790a2e6dbac

Analysis

max time kernel
153s
max time network
152s
platform
windows7_x64
resource
win7v20201028
submitted
26-01-2021 02:37

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General

Target

b5674726f7f51d5880211f8ca8aea069bc6fc758794748117db27b8df25a12b0.exe

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

reg.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Windows\CurrentVersion\Run\WindowsH = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe"	reg.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

b5674726f7f51d5880211f8ca8aea069bc6fc758794748117db27b8df25a12b0.execmd.exe

description	pid	process	target process
PID 1812 wrote to memory of 1272	1812	b5674726f7f51d5880211f8ca8aea069bc6fc758794748117db27b8df25a12b0.exe	cmd.exe
PID 1812 wrote to memory of 1272	1812	b5674726f7f51d5880211f8ca8aea069bc6fc758794748117db27b8df25a12b0.exe	cmd.exe
PID 1812 wrote to memory of 1272	1812	b5674726f7f51d5880211f8ca8aea069bc6fc758794748117db27b8df25a12b0.exe	cmd.exe
PID 1272 wrote to memory of 1996	1272	cmd.exe	reg.exe
PID 1272 wrote to memory of 1996	1272	cmd.exe	reg.exe
PID 1272 wrote to memory of 1996	1272	cmd.exe	reg.exe

C:\Users\Admin\AppData\Local\Temp\b5674726f7f51d5880211f8ca8aea069bc6fc758794748117db27b8df25a12b0.exe
"C:\Users\Admin\AppData\Local\Temp\b5674726f7f51d5880211f8ca8aea069bc6fc758794748117db27b8df25a12b0.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1812

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /C reg add HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v WindowsH /t REG_SZ /d C:\Users\Admin\AppData\Roaming\svchost.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:1272

C:\Windows\system32\reg.exe
reg add HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v WindowsH /t REG_SZ /d C:\Users\Admin\AppData\Roaming\svchost.exe
3⤵
- Adds Run key to start application
PID:1996

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/376-5-0x000007FEF79D0000-0x000007FEF7C4A000-memory.dmp

Filesize
2.5MB

Download
memory/1272-3-0x0000000000000000-mapping.dmp

Download
memory/1812-2-0x000007FEFBA41000-0x000007FEFBA43000-memory.dmp

Filesize
8KB

Download
memory/1996-4-0x0000000000000000-mapping.dmp

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