c911fc796b9bf671e9d239a637e14f44f55cf8617e7a76bbbfdde77d89152faa

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
09/06/2024, 15:02

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General

Target
iopHwRegs.bin
Size 64KB
Sample240609-sej96ace26
SHA256 4c91df669bd05292ff8f299e13f7c200f11ebe4c6474ddbf43093e42435d6d7c
MD5 e5ac51a1ad8611f14a373ab6442d1bd6
SHA1 d92efec1b705da3a56d6bdc9a669bda0a4c8829d
SHA512 6eec7204499d3b9d26c4ee5324901571c30606931416269d2355a138ce84781486e59a866643ba9caf53cc096be31b86b8b89fd9a70c7e5142d79b1a8165c377
SSDEEP 3:4X9wBzlPltl/Altl3lT+1R7/Blf6l+8g2aamlUlRf5ldk33lGg4e9O/lllllhKtj:46BJ9X4Xr+1Rq+52aR8Rf5lddgHFXL/
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-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\.bin	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\.bin\ = "bin_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\bin_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\bin_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\bin_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\bin_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\bin_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\bin_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
2360	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2360	AcroRd32.exe
2360	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1656 wrote to memory of 2576	1656	cmd.exe	29
PID 1656 wrote to memory of 2576	1656	cmd.exe	29
PID 1656 wrote to memory of 2576	1656	cmd.exe	29
PID 2576 wrote to memory of 2360	2576	rundll32.exe	30
PID 2576 wrote to memory of 2360	2576	rundll32.exe	30
PID 2576 wrote to memory of 2360	2576	rundll32.exe	30
PID 2576 wrote to memory of 2360	2576	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\iopHwRegs.bin
1⤵
- Suspicious use of WriteProcessMemory
PID:1656
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\iopHwRegs.bin
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2576
- - 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\iopHwRegs.bin"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2360

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 a92a3bab04f0e60f824dca7c32f992b4e94dd41b7bebe271c75700f8b0625abd
MD5 bd3b9443a1d70da9a3df69f07c266c83
SHA1 33eacda8b3e5cff2cf7d6ae312530bb9f2d688d5
SHA512 5151d9b20a8c25031137890f67c4ca577247d3129d27ff851aa0d6982df7f738a99d7558d6dccb78025949081e2d7a4b6d868edd3011d139572f96652d957924
MD5 SHA1 SHA512

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