2bbd185d92ca518851d608357e5fee11384f935b2cd8fe64a4e5092d8fdabf2e

Analysis

max time kernel
121s
max time network
125s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
14/02/2024, 17:31 UTC

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General

Target

Neptune-main/README.md
Size

4KB
MD5

b001dbcd4c3cd4464b36e6e9a10e1f93
SHA1

ff5b7796746ec65ed6026a394284f1270ef154fb
SHA256

998da992199418e7aa51f49b6ac6ba520ae4d0157254f141b7079d4aec4afb32
SHA512

4e8a847f8ee7845ccd12654c75be0abad16950f1bcb0104804bda120a7d0e6bbfa35a689adc710f7d5a45b6c36dd06992ca938f6b7e601eb2e19dd52665e0733
SSDEEP

96:2IcK6pgsUNNPw+ocZet+m8W7OuwCgFEXv234CmEinY:2hisypw+ocZet+mN7Ouwjavej0Y

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 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\md_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\.md	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\.md\ = "md_auto_file"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\md_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\md_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\md_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\md_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\md_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2296	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2296	AcroRd32.exe
2296	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2416 wrote to memory of 2876	2416	cmd.exe	29
PID 2416 wrote to memory of 2876	2416	cmd.exe	29
PID 2416 wrote to memory of 2876	2416	cmd.exe	29
PID 2876 wrote to memory of 2296	2876	rundll32.exe	30
PID 2876 wrote to memory of 2296	2876	rundll32.exe	30
PID 2876 wrote to memory of 2296	2876	rundll32.exe	30
PID 2876 wrote to memory of 2296	2876	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Neptune-main\README.md
1⤵
- Suspicious use of WriteProcessMemory
PID:2416
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Neptune-main\README.md
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2876
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\Neptune-main\README.md"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2296

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
a95138a9e8588c2b023f07822314d7ba

SHA1
2b8dad30090dbe5a66e4b626607efd26f17503aa

SHA256
7f1703765070de904ebe6f14f30b8083f0e2b02092a2712aa097de98213d66d1

SHA512
0c6d32b6fc9241b778f53ccb3ced56589f79f7916a09662b3a80141cac86f8b07f059c8f176ce1792733afa0f7eb633e6e64f3c67e120ced7ed587c166b84a40

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