f2670076dd5cfe6c9de5b09cf8a7e1086337de8eaad881761b7681003e7acd99

Analysis

max time kernel
120s
max time network
124s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
23/04/2024, 05:37

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General

Target

f2670076dd5cfe6c9de5b09cf8a7e1086337de8eaad881761b7681003e7acd99.dll
Size

8KB
MD5

b32f4f9499c9b09bf121beaa41b4159d
SHA1

6d5da9bb743c06f407b89fc19220fb26ae7a7d8e
SHA256

f2670076dd5cfe6c9de5b09cf8a7e1086337de8eaad881761b7681003e7acd99
SHA512

76cabe12e0b25605556e3463d4ed9e7d731d1921dfa95aa3a14501db89654e129b7424de010af50a6903eae3c9641a6ab075c8bebabb4837affe18e98759522f
SSDEEP

192:ph4SFyvWohE5xf6YUBSL63SUJqtMblWN:pO+ohE2B13NJqtM

Score

9^/10

persistence

Malware Config

Signatures

UPX dump on OEP (original entry point) 1 IoCs

resource	yara_rule
behavioral1/memory/1516-2-0x0000000010000000-0x000000001000D000-memory.dmp	UPX

Adds Run key to start application 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\Run\ctfmen = "C:\\Windows\\system32\\ctfmen.exe"	rundll32.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\satornas.dll	rundll32.exe
File opened for modification	C:\Windows\SysWOW64\satornas.dll	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2896 wrote to memory of 1516	2896	rundll32.exe	28
PID 2896 wrote to memory of 1516	2896	rundll32.exe	28
PID 2896 wrote to memory of 1516	2896	rundll32.exe	28
PID 2896 wrote to memory of 1516	2896	rundll32.exe	28
PID 2896 wrote to memory of 1516	2896	rundll32.exe	28
PID 2896 wrote to memory of 1516	2896	rundll32.exe	28
PID 2896 wrote to memory of 1516	2896	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f2670076dd5cfe6c9de5b09cf8a7e1086337de8eaad881761b7681003e7acd99.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2896
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f2670076dd5cfe6c9de5b09cf8a7e1086337de8eaad881761b7681003e7acd99.dll,#1
  2⤵
  - Adds Run key to start application
  - Drops file in System32 directory
  PID:1516

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/1516-2-0x0000000010000000-0x000000001000D000-memory.dmp

Filesize
52KB

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memory/1516-3-0x0000000010000000-0x000000001000D000-memory.dmp

Filesize
52KB

Download
memory/1516-4-0x0000000010000000-0x000000001000D000-memory.dmp

Filesize
52KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads