7965493d62037e1eb29710a6f54ff314663b745c048d5c170239bbddcf12587c

Analysis

max time kernel
600s
max time network
366s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
23/11/2023, 17:14

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General

Target

rules/emerging-scan.rules
Size

148KB
MD5

820665866a741e522b87775e3e49a646
SHA1

175dc47bf315a96b763a92548f828e96811288d1
SHA256

f93f8bc89278e8d7c2510ee10b596646801d9876ba3022f9a24ab6f3db13a078
SHA512

50aa27f0412bd802982b14f094a2eb8d911523318e94e7340a19e6de6e0e1676b0ebd815ad26cea11e3439ee95507533a93cbaad27b200e443e777bfc639b5f1
SSDEEP

1536:xPnBX4m81gIC2+3aUO8L3C5Od5SLNkUQnyvuVQ4ZC2yLeRlM2B7l/gCUyryzy4yE:pniaZvvy+R4ce

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-1-5-21-2084844033-2744876406-2053742436-1000_CLASSES\rules_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000_CLASSES\.rules\ = "rules_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000_CLASSES\rules_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000_CLASSES\rules_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000_CLASSES\rules_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000_CLASSES\.rules	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000_CLASSES\rules_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000_CLASSES\rules_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
3008	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
3008	AcroRd32.exe
3008	AcroRd32.exe
3008	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1748 wrote to memory of 2908	1748	cmd.exe	29
PID 1748 wrote to memory of 2908	1748	cmd.exe	29
PID 1748 wrote to memory of 2908	1748	cmd.exe	29
PID 2908 wrote to memory of 3008	2908	rundll32.exe	30
PID 2908 wrote to memory of 3008	2908	rundll32.exe	30
PID 2908 wrote to memory of 3008	2908	rundll32.exe	30
PID 2908 wrote to memory of 3008	2908	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\rules\emerging-scan.rules
1⤵
- Suspicious use of WriteProcessMemory
PID:1748
- 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-scan.rules
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2908
- - 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-scan.rules"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:3008

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
abf92ad95c4b5e1b2730135b10ed1a46

SHA1
a7c32535ccdabcd8ee59fc0c0d69f401ce224210

SHA256
462882c66ac823644ed3e12edb804af6bd9765d246f9976c219756791c93389e

SHA512
f84538527acc9031e35a1f3476e9a4b251b1d1512930055e5d104abf8caff0c0df10f169a12a2ce7be665e960a416d4728f829c046279b296765797954695811

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