6abb0e40f89bd46dfef4ee1dc3ce5477f77169da8887edb09beddfa1ef3ee6c9

Analysis

max time kernel
121s
max time network
124s
platform
windows7_x64
resource
win7-20231025-en
resource tags

arch:x64arch:x86image:win7-20231025-enlocale:en-usos:windows7-x64system
submitted
12-11-2023 16:18

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General

Target

linux4.4-mxic/include/linux/mtd/spi-nor.h
Size

10KB
MD5

3d9f9b991a011fa2e6e1626cebdd496e
SHA1

160c4fe6ecdbbab7743c76c973e28de474d71368
SHA256

da656b24d43d38bbdf1a01b635d442c95b3187bbd2048ccae32cd3720b134e89
SHA512

30f63843dfcc43dc8ab8cdc9c77c0f8a2436d8a8d6ece0593b9025d085af69dc3e9ed399b42fc847f24140bebe052119279406b1e6b45e94a401f4f6e0487198
SSDEEP

192:HNBU/t55VMiHGbKIIBTnmIGFTejCP+6U+TA0k446VP++pKAsxLgO5BqkKhsgV82s:Hs/rMbgufp9FhsgV82s

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Modifies registry class 12 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000_CLASSES\h_auto_file\shell\edit\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000_CLASSES\h_auto_file\shell\open\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000_CLASSES\h_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000_CLASSES\.h\ = "h_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000_CLASSES\h_auto_file\shell\edit	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000_CLASSES\h_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000_CLASSES\h_auto_file\shell\edit\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000_CLASSES\h_auto_file\shell\open	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000_CLASSES\h_auto_file\shell\open\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000_CLASSES\h_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000_CLASSES\.h	rundll32.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
2784	NOTEPAD.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2136 wrote to memory of 2796	2136	cmd.exe	29
PID 2136 wrote to memory of 2796	2136	cmd.exe	29
PID 2136 wrote to memory of 2796	2136	cmd.exe	29
PID 2796 wrote to memory of 2784	2796	rundll32.exe	30
PID 2796 wrote to memory of 2784	2796	rundll32.exe	30
PID 2796 wrote to memory of 2784	2796	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\linux4.4-mxic\include\linux\mtd\spi-nor.h
1⤵
- Suspicious use of WriteProcessMemory
PID:2136
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\linux4.4-mxic\include\linux\mtd\spi-nor.h
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2796
- - C:\Windows\system32\NOTEPAD.EXE
    "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\linux4.4-mxic\include\linux\mtd\spi-nor.h
    3⤵
    - Opens file in notepad (likely ransom note)
    PID:2784

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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