7965493d62037e1eb29710a6f54ff314663b745c048d5c170239bbddcf12587c

Analysis

max time kernel
357s
max time network
363s
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

emerging.rules.tar.gz
Size

3.9MB
MD5

e72e9039d8f1807b5741305d8faae310
SHA1

b70fd36b19c188fc653117801ebaea4fccc9d322
SHA256

7965493d62037e1eb29710a6f54ff314663b745c048d5c170239bbddcf12587c
SHA512

0f6d37cafd4e7d8f6593ce4071151b171b4436cf7133a2b5fef0f4960231983f460615c3d586767fa51a41e80c01a22b74f37988a02a63238cbb9afc2234fd2d
SSDEEP

98304:CombU7t2MRYLgS9aAc53NMAtq8KFJp/y0RsXyS9Llqbtr:CoJ7tCh9kvtq9V/yqsTCBr

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-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\gz_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\gz_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\gz_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\.gz	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\.gz\ = "gz_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\gz_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\gz_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\gz_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
2732	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2732	AcroRd32.exe
2732	AcroRd32.exe
2732	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2236 wrote to memory of 2704	2236	cmd.exe	29
PID 2236 wrote to memory of 2704	2236	cmd.exe	29
PID 2236 wrote to memory of 2704	2236	cmd.exe	29
PID 2704 wrote to memory of 2732	2704	rundll32.exe	30
PID 2704 wrote to memory of 2732	2704	rundll32.exe	30
PID 2704 wrote to memory of 2732	2704	rundll32.exe	30
PID 2704 wrote to memory of 2732	2704	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\emerging.rules.tar.gz
1⤵
- Suspicious use of WriteProcessMemory
PID:2236
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\emerging.rules.tar.gz
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2704
- - 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\emerging.rules.tar.gz"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2732

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
ac28be6cc6a1dc79113f9db1d1de4080

SHA1
3d9b3c087381372c84095837e50f9e82c8ba3cde

SHA256
0346461f1ab792781de60490446e1df8b64cf64605777b8cd251181718dd3530

SHA512
22416f22af5d7aedba6079f81998df4960bdd140ee4a63f29b8c85cc4810490bf894a18806b6958c7961b6080fdab55d725660c0271ccb49db8e19dc7d2421d5

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