573e5b1de65503f6789b9a842cc07720e3e081e229f768bf16da4a6361933c36

Analysis

max time kernel
118s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
16/03/2024, 05:04

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General

Target

cd2df4b1b23b90141e9c860951238867.dll
Size

192KB
MD5

cd2df4b1b23b90141e9c860951238867
SHA1

e32b46c6297a4dea20c05df5c31148bcbfcd3eea
SHA256

573e5b1de65503f6789b9a842cc07720e3e081e229f768bf16da4a6361933c36
SHA512

f92808b4a57e0a80cc2a457df38c78ad8a3ece693ed580d370734979443a4c3b7701e5118bfc2c3aa913b30a9d0adcaf44587be46681da1e95fdbf2e947bd4b3
SSDEEP

3072:CKhZbiMo8mG2eWsiiKkSNYvU+RXdSnCmQDEGBvjErYKCzWMvu4lEtnFL7a:Ch9vkDrSnfYLhJWIuJ

Score

10^/10

persistence

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\adsoowf = "{377DC276-19B7-44ED-A62E-C74753D0451C}"	rundll32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{377DC276-19B7-44ED-A62E-C74753D0451C}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{377DC276-19B7-44ED-A62E-C74753D0451C}\InProcServer32\ = "C:\\Windows\\adsoowf.dll"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{377DC276-19B7-44ED-A62E-C74753D0451C}\InProcServer32	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1152 wrote to memory of 1772	1152	rundll32.exe	28
PID 1152 wrote to memory of 1772	1152	rundll32.exe	28
PID 1152 wrote to memory of 1772	1152	rundll32.exe	28
PID 1152 wrote to memory of 1772	1152	rundll32.exe	28
PID 1152 wrote to memory of 1772	1152	rundll32.exe	28
PID 1152 wrote to memory of 1772	1152	rundll32.exe	28
PID 1152 wrote to memory of 1772	1152	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\cd2df4b1b23b90141e9c860951238867.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1152
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\cd2df4b1b23b90141e9c860951238867.dll,#1
  2⤵
  - Adds autorun key to be loaded by Explorer.exe on startup
  - Modifies registry class
  PID:1772

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

Windows 7 deprecation

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads