efbcf80f5b316dabbdc70b1f42b030483a2f2328ffac6b05324e0ddbb6263124

Analysis

max time kernel
148s
max time network
160s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
07/12/2022, 02:13

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General

Target

efbcf80f5b316dabbdc70b1f42b030483a2f2328ffac6b05324e0ddbb6263124.exe
Size

906KB
MD5

209973c43f93eb4ff7de97c35730ba01
SHA1

08e4c1b549a802ba4ad0760848a9085dfff607e7
SHA256

efbcf80f5b316dabbdc70b1f42b030483a2f2328ffac6b05324e0ddbb6263124
SHA512

034de7d4d570ab0dc40fd0992e26542a91bb759414c70979b918af0099a916b30e9760f1e2e4880fc50898e5d47f3787fcc9ebfaa4782f76207c1b7c5d3b3b6d
SSDEEP

1536:gR2LfYJK++++++++++++++++++++UAgo1eo1UW/JUM1XZS:gRRo1eo1jKM1XZS

Score

10^/10

evasion upx

Malware Config

Signatures

Modifies firewall policy service 2 TTPs 2 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	efbcf80f5b316dabbdc70b1f42b030483a2f2328ffac6b05324e0ddbb6263124.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Local\Temp\efbcf80f5b316dabbdc70b1f42b030483a2f2328ffac6b05324e0ddbb6263124.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\efbcf80f5b316dabbdc70b1f42b030483a2f2328ffac6b05324e0ddbb6263124.exe:*:Enabled:ldrsoft"	efbcf80f5b316dabbdc70b1f42b030483a2f2328ffac6b05324e0ddbb6263124.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1088-55-0x0000000000400000-0x00000000004E4000-memory.dmp	upx

Checks BIOS information in registry 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	efbcf80f5b316dabbdc70b1f42b030483a2f2328ffac6b05324e0ddbb6263124.exe

C:\Users\Admin\AppData\Local\Temp\efbcf80f5b316dabbdc70b1f42b030483a2f2328ffac6b05324e0ddbb6263124.exe
"C:\Users\Admin\AppData\Local\Temp\efbcf80f5b316dabbdc70b1f42b030483a2f2328ffac6b05324e0ddbb6263124.exe"
1⤵
- Modifies firewall policy service
- Checks BIOS information in registry
PID:1088

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1088-54-0x0000000076681000-0x0000000076683000-memory.dmp

Filesize
8KB

Download
memory/1088-55-0x0000000000400000-0x00000000004E4000-memory.dmp

Filesize
912KB

Download