7965493d62037e1eb29710a6f54ff314663b745c048d5c170239bbddcf12587c

Analysis

max time kernel
601s
max time network
366s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
23/11/2023, 17:14

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General

Target

rules/emerging-malware.rules
Size

8.9MB
MD5

22a9844ce80a4235409d04077b1ed56e
SHA1

f6551d9d919f91c66aad8299fabf37bf8fbcf679
SHA256

fe01d19c226541f47435649cbcfa9e397234a8d868d6c07272383540aaea06f4
SHA512

55d46923d1e6fd6856b98eb526ed1828f05dc0057bfe80be87a1d34e3821a5c515711d9225f61242ada0f2a51494ed70e58c372722f60d6a1550208417326b61
SSDEEP

24576:Xp01DpjfJRMMLk2IZGCSh9uvYpudSMY4ckBrFWzAAAHsooZ:ipbzMqbCSh9uvYwd/Y4ckBrFWzAOD

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-1-5-21-3618187007-3650799920-3290345941-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000_CLASSES\.rules\ = "rules_auto_file"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000_CLASSES\rules_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000_CLASSES\rules_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000_CLASSES\rules_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000_CLASSES\rules_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000_CLASSES\rules_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000_CLASSES\rules_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000_CLASSES\.rules	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2592	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2872 wrote to memory of 2628	2872	cmd.exe	29
PID 2872 wrote to memory of 2628	2872	cmd.exe	29
PID 2872 wrote to memory of 2628	2872	cmd.exe	29
PID 2628 wrote to memory of 2592	2628	rundll32.exe	30
PID 2628 wrote to memory of 2592	2628	rundll32.exe	30
PID 2628 wrote to memory of 2592	2628	rundll32.exe	30
PID 2628 wrote to memory of 2592	2628	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\rules\emerging-malware.rules
1⤵
- Suspicious use of WriteProcessMemory
PID:2872
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\rules\emerging-malware.rules
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2628
- - 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\rules\emerging-malware.rules"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2592

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

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

Filesize
3KB

MD5
61a5319aee809f94089fa39b4b66e4f9

SHA1
e360b92988d620e0cfd16f70a7a0bba628a7b209

SHA256
363c213493eff4f886aa93776091698f155bce74c042efa8cfcecd0791b6eb30

SHA512
cb97c44570e2a6833f04e1915ed8c6ee7499bd6019bf061d3c2335e9aa0fc70b9b1dc26a43f2031c691a5069019d984b579d26809d5c7a003441aa48385ad7bb

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