c911fc796b9bf671e9d239a637e14f44f55cf8617e7a76bbbfdde77d89152faa

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
13/06/2024, 01:58

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General

Target
eeHwRegs.bin
Size 64KB
Sample240613-cdx7matfpk
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-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.bin	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.bin\ = "bin_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\bin_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\bin_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\bin_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_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-1-5-21-2721934792-624042501-2768869379-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\bin_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\bin_auto_file\	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2788	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2788	AcroRd32.exe
2788	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1992 wrote to memory of 2672	1992	cmd.exe	29
PID 1992 wrote to memory of 2672	1992	cmd.exe	29
PID 1992 wrote to memory of 2672	1992	cmd.exe	29
PID 2672 wrote to memory of 2788	2672	rundll32.exe	30
PID 2672 wrote to memory of 2788	2672	rundll32.exe	30
PID 2672 wrote to memory of 2788	2672	rundll32.exe	30
PID 2672 wrote to memory of 2788	2672	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\eeHwRegs.bin
1⤵
- Suspicious use of WriteProcessMemory
PID:1992
- 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:2672
- - 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:2788

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 9f9855b912f600177c3aeafd538ec0e3abe11c9bb00c83cbca00c5f0aaf71fcd
MD5 00bc1449d16c41f182b60bfbcc8bf78a
SHA1 d54914890d046942ae8337c1a3a55b97640ddbb2
SHA512 a9a53ca22369844aa333dbd7b387b0cf7648f4b158e32b12ce23b1f40fb3e2e216ea89d999437a047d7485a8d12ef93f476b7bc605ebc79f5d0d7424b49e1cab
MD5 SHA1 SHA512

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