98f0a95b821db0ee09af459cadefd860d332f635ea6021f148709fbbf78cc1bc

Analysis

max time kernel
1790s
max time network
1562s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
26-03-2024 13:44

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General

Target

3.exe
Size

205KB
MD5

8bc7c863fc741aa28aa2361d7a319267
SHA1

7550cc3b4fef6ea55df793d111f528d121689910
SHA256

7dd789d126841ca1a04a17c95b0b23ff553d199a0ba24ac8dd8018bb0fde368b
SHA512

88e2e759f4d2647279082f6b3b8cb5b9b29a7df3bc39cc91aefce59a995323b29901a80e3e94aa25a3ddfb5cf9b8f44947bb21067fbe127514b36e3ee9d51f52
SSDEEP

6144:5RsJANwLlalnicjyaNGAnn2JZW5QoS1Z1Py97N7al:nYaVz7N5nn2JZwQV31kol

Score

8^/10

persistence upx

Malware Config

Signatures

Sets file execution options in registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\userinit.exe	3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\userinit.exe\Debugger = "C:\\Windows\\temp\\as.exe"	3.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral5/memory/2300-0-0x0000000000400000-0x0000000000449000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\s5ch0st = "C:\\Windows\\temp\\as.exe"	3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RUN\s5ch0st = "C:\\Windows\\temp\\as.exe"	3.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2300	3.exe

C:\Users\Admin\AppData\Local\Temp\3.exe
"C:\Users\Admin\AppData\Local\Temp\3.exe"
1⤵
- Sets file execution options in registry
- Adds Run key to start application
- Suspicious use of SetWindowsHookEx
PID:2300

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2300-1-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download
memory/2300-0-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download
memory/2300-2-0x0000000000220000-0x0000000000234000-memory.dmp

Filesize
80KB

Download
memory/2300-4-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads