c911fc796b9bf671e9d239a637e14f44f55cf8617e7a76bbbfdde77d89152faa

Analysis

max time kernel
118s
max time network
124s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
09/06/2024, 15:02

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General

Target
eeHwRegs.bin
Size 64KB
Sample240609-sej96ace26
SHA256 cf125a99e829b27572b4fcae6874802fd8672c7c34523f6819c3264d651ca548
MD5 d40007b6a8691a2e14aa6151d32ad9b2
SHA1 a64cd77965bc69d2a1354156d8464723412d00c4
SHA512 18fbd287cc4f8beefcf40f371e2408484ff88382a973f6914a7bfeb78476baddb8b31aa797cca35b6baa856f735bc10e1a168e37e1abb286866c5c5127a4c4ed
SSDEEP 3:PXVllNXml/lUlztllEl+0llbwtJtlElRlllth//ltlTlLlqllElgZll48l/llLl3:iyu+0/sYFeag6/4WW
MD5 SHA1 SHA512 SSDEEP

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-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.bin	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\bin_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\bin_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\bin_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\bin_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\bin_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.bin\ = "bin_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\bin_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1744	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1744	AcroRd32.exe
1744	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2220 wrote to memory of 2880	2220	cmd.exe	29
PID 2220 wrote to memory of 2880	2220	cmd.exe	29
PID 2220 wrote to memory of 2880	2220	cmd.exe	29
PID 2880 wrote to memory of 1744	2880	rundll32.exe	30
PID 2880 wrote to memory of 1744	2880	rundll32.exe	30
PID 2880 wrote to memory of 1744	2880	rundll32.exe	30
PID 2880 wrote to memory of 1744	2880	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\eeHwRegs.bin
1⤵
- Suspicious use of WriteProcessMemory
PID:2220
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\eeHwRegs.bin
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2880
- - 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\eeHwRegs.bin"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:1744

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

SharedDataEvents

Path C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Size 3KB
SHA256 a3e118063d22f33e0df2bb39ca76018661ca9050726bd6fecf39f0430bd5cb68
MD5 ce3cda6a233e54b1d4abe8edf353fcb1
SHA1 77fa8a6db1238e45dd7127d54227c9ddf07a956b
SHA512 a6ff4e934045b6f2b7f88802b169bb30e9cfca7833bbe8670bdb97768ff381796cef2676c4e921f301c79d4dfd447c26a5a4ecf51c6ed6b6be7ff66b7e4c0932
MD5 SHA1 SHA512

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