f68e1c8deae6ab2faf3b8b00a3a8fcc3869015e37cc7040205481fc82302f582

Analysis

max time kernel
120s
max time network
123s
platform
windows7_x64
resource
win7-20240319-en
resource tags

arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system
submitted
11/04/2024, 05:49

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General

Target

empyrean-main/CONTRIBUTING.md
Size

1KB
MD5

e0e6d0734274226c6fa4df1a423c65f1
SHA1

7c85b84c00fad6e92dd45d560532cb04101584d0
SHA256

4e8836498c51c5afb831b600289318102088a8418b60550af9c0763de85e2b3f
SHA512

eb9dd9fb4b089a0665378a49172b013613ec7db3eea9c2f5ea0832579194cc405f2432e307ffb4edf6f7f0bd46e5962044161deb7bba994d35bd882bb7860dd6

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
Set value (str)	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000_CLASSES\md_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000_CLASSES\.md	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000_CLASSES\md_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000_CLASSES\md_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000_CLASSES\md_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000_CLASSES\md_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000_CLASSES\md_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000_CLASSES\.md\ = "md_auto_file"	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2668	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2668	AcroRd32.exe
2668	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2348 wrote to memory of 2520	2348	cmd.exe	29
PID 2348 wrote to memory of 2520	2348	cmd.exe	29
PID 2348 wrote to memory of 2520	2348	cmd.exe	29
PID 2520 wrote to memory of 2668	2520	rundll32.exe	30
PID 2520 wrote to memory of 2668	2520	rundll32.exe	30
PID 2520 wrote to memory of 2668	2520	rundll32.exe	30
PID 2520 wrote to memory of 2668	2520	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\empyrean-main\CONTRIBUTING.md
1⤵
- Suspicious use of WriteProcessMemory
PID:2348
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\empyrean-main\CONTRIBUTING.md
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2520
- - 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\empyrean-main\CONTRIBUTING.md"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2668

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

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Downloads

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

Filesize
3KB

MD5
bfbbcb659000adbef8a489e67dc07e2f

SHA1
f4eb17bbeede82308254eacc207b12af17d98340

SHA256
e2c43dc04f0be8d8023a64b37781760fbb7cbdf11d785d805d1abe34250687b6

SHA512
4404c279358943662bcf69657cdaa8daa5b9ef779a4e28764879cdb4b49d1075b1b1fa55b544fbf6a036e5e8d279e0d22cd4ba79a6a04915c1122b12978297e2

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