c911fc796b9bf671e9d239a637e14f44f55cf8617e7a76bbbfdde77d89152faa

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
13/06/2024, 01:58

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General

Target
GS.bin
Size 4.0MB
Sample240613-cdx7matfpk
SHA256 f3f66dff8b624c46646e7cc1ef30cde9ac9799addda0e60e4d69446032e53c2f
MD5 d912d0fa9f995e4dd4a3499066e423d2
SHA1 f98bbd4cf0675eeaa9db527d94197ff7a4e9a6c1
SHA512 15bd801fe3e894efa1f632d4631e0671e14695dbac1de4ae519bfe9c9bc90bd650ddcb2b2a610bf912dc985b0b0ab0826df23880fec1db39d36195656613e3fa
SSDEEP 12288:ixNKg4nIal++++++Y++P++7++m+Erh/RI2BEcCz++87OKDUyY3M+TsLcXLrBxdxI:ixElrqt9vLQPP2V2
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
Set value (str)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_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-1-5-21-3691908287-3775019229-3534252667-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\bin_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\.bin	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\.bin\ = "bin_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\bin_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\bin_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\bin_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\bin_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1544	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1544	AcroRd32.exe
1544	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1716 wrote to memory of 2732	1716	cmd.exe	29
PID 1716 wrote to memory of 2732	1716	cmd.exe	29
PID 1716 wrote to memory of 2732	1716	cmd.exe	29
PID 2732 wrote to memory of 1544	2732	rundll32.exe	30
PID 2732 wrote to memory of 1544	2732	rundll32.exe	30
PID 2732 wrote to memory of 1544	2732	rundll32.exe	30
PID 2732 wrote to memory of 1544	2732	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\GS.bin
1⤵
- Suspicious use of WriteProcessMemory
PID:1716
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\GS.bin
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2732
- - 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\GS.bin"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:1544

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 8321b7521b8f81fe2ebadd3b84b52e0af7a2ba323d2a0a834a76b1f87cba2710
MD5 4c69dbd7f712e965a5b3fa865b6170bb
SHA1 9f368a27e5b88b2d4c7fdb5fc54e66c788d78ee8
SHA512 a5b6e5146eb5d843c8d92e6a74c8f94a47a8078c7b2590ac0f7f5fc6ee7994a04c2548f7e1f0bf86cc7cde44a17b93e683315ebba6ff568e6a73dabb0615fbd9
MD5 SHA1 SHA512

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