66a32b79ff2c15ac32dd147b9509c1d0b8fb0e24f91f478352fb9564d45416f8

Resubmissions

06-08-2023 19:58

230806-yps8psde2y 7

Analysis

max time kernel
151s
max time network
124s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
06-08-2023 19:58

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General

Target

03_JumpRulesManyControls.json
Size

5KB
MD5

71735b01f57af89ec5ac00d6c0da0bdd
SHA1

5f273853e3b3a714bb2d44708dc48c4d882239c9
SHA256

5c149a94e0f47965e0c44694923fd98161a024a5f2cbbe89ae8c4b9225c1c835
SHA512

5f43057959404a5cb8d23b43a05d24ca17430cae3855e350ad32aac1e8a8fe1ab63a7862402b138d728f8dcef96c7fb1cbc0cf0398f483f25714742ec9f67d02
SSDEEP

96:Q0Yez0dG4CeknPImXCeyuXCez1XCeAmYCeUXCeBMUvZb6iu:Q0j0dGFwmUuV1emFXMUvZb6iu

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-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\json_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\.json	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\json_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\json_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\json_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
2744	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2744	AcroRd32.exe
2744	AcroRd32.exe
2744	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2316 wrote to memory of 3032	2316	cmd.exe	29
PID 2316 wrote to memory of 3032	2316	cmd.exe	29
PID 2316 wrote to memory of 3032	2316	cmd.exe	29
PID 3032 wrote to memory of 2744	3032	rundll32.exe	30
PID 3032 wrote to memory of 2744	3032	rundll32.exe	30
PID 3032 wrote to memory of 2744	3032	rundll32.exe	30
PID 3032 wrote to memory of 2744	3032	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\03_JumpRulesManyControls.json
1⤵
- Suspicious use of WriteProcessMemory
PID:2316
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\03_JumpRulesManyControls.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:3032
- - 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\03_JumpRulesManyControls.json"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2744

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
203e9c5c9436dea5d2c8b536731100b0

SHA1
323763ae63088db96d7f03d2b32095aa1dcef849

SHA256
63ea5f76c7c71b50f7bc280bc02c5f8adcda14753b6a2f0979543453ce32ac91

SHA512
2b6dc1bbdec76a7d19e2e431a8c292a8c538a9dd42a02123c4160edaf7870e6a40e75e4a41a8272dba1bdaa25357909d506a09f83da9a68117dfd87681ba9ca4

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