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-policy.rules
Size

513KB
MD5

091081634292059ecdefc095025d9c75
SHA1

6851867c4491f91ab874a5cf0ab76acfbc4f9d70
SHA256

1f83d1d818681a7c3f5bdf44aa46d12b178db253ecb2a830d97ba81f8b789d71
SHA512

ab6112ee1f8ba7bb34993e252f7efbc44653024a47f11caa433d47426096ca002481dc23cb28a34ebb4879cad00b4ad8e996b1a83950a6c4f3a3d67917985eb2
SSDEEP

3072:pnkDzmalL9/7IMmon/oL1h290Z3uTmUzdxEO6ZxScH0:wzvl6iohh29BTmUzdxEOC0

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-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\rules_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_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-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\.rules	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\.rules\ = "rules_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\rules_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\rules_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\rules_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\rules_auto_file\	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 2016 wrote to memory of 2824	2016	cmd.exe	29
PID 2016 wrote to memory of 2824	2016	cmd.exe	29
PID 2016 wrote to memory of 2824	2016	cmd.exe	29
PID 2824 wrote to memory of 2732	2824	rundll32.exe	30
PID 2824 wrote to memory of 2732	2824	rundll32.exe	30
PID 2824 wrote to memory of 2732	2824	rundll32.exe	30
PID 2824 wrote to memory of 2732	2824	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\rules\emerging-policy.rules
1⤵
- Suspicious use of WriteProcessMemory
PID:2016
- 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-policy.rules
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2824
- - 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-policy.rules"
    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
3579944d52a8a302ddfdc934e94eb402

SHA1
22e4e20d24dbbf490adb9ea4421332cbf58826af

SHA256
63f90d4456888bd058b231398a280002548d90d028d3a1d710f55228c8b01d2d

SHA512
8ab5a4b3af2db838b3c0e759f291bde866982978014a76443a5680c4385844ecc562d112cae650c741435eb30b049f80e630197cffab01add4be403840bb5bd7

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