66a32b79ff2c15ac32dd147b9509c1d0b8fb0e24f91f478352fb9564d45416f8

Resubmissions

06-08-2023 19:58

230806-yps8psde2y 7

Analysis

max time kernel
152s
max time network
127s
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

05_PassiveCheckboxJumpRules.md
Size

1KB
MD5

d243c3f56567320682818b00debda40a
SHA1

2a1c4891e696ac4a783a0c45d61b04d7ed2fd573
SHA256

cc488deec357997bb949562ed06a26f635384887a33fb978534d42c29c753a37
SHA512

e138e649bd75f3f7e4bad2b18229cdfd1bd704d6f9bb3c4a779e709492edfcaed5b0276795b4a1620dcb1c5ad5c13f9205d5f6f5856738dbfa034512d24b17ee

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-1-5-21-1014134971-2480516131-292343513-1000_CLASSES\.md	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1014134971-2480516131-292343513-1000_CLASSES\.md\ = "md_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1014134971-2480516131-292343513-1000_CLASSES\md_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1014134971-2480516131-292343513-1000_CLASSES\md_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1014134971-2480516131-292343513-1000_CLASSES\md_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1014134971-2480516131-292343513-1000_CLASSES\md_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1014134971-2480516131-292343513-1000_CLASSES\md_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1014134971-2480516131-292343513-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1014134971-2480516131-292343513-1000_CLASSES\md_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2516	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2516	AcroRd32.exe
2516	AcroRd32.exe
2516	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1688 wrote to memory of 796	1688	cmd.exe	29
PID 1688 wrote to memory of 796	1688	cmd.exe	29
PID 1688 wrote to memory of 796	1688	cmd.exe	29
PID 796 wrote to memory of 2516	796	rundll32.exe	30
PID 796 wrote to memory of 2516	796	rundll32.exe	30
PID 796 wrote to memory of 2516	796	rundll32.exe	30
PID 796 wrote to memory of 2516	796	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\05_PassiveCheckboxJumpRules.md
1⤵
- Suspicious use of WriteProcessMemory
PID:1688
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\05_PassiveCheckboxJumpRules.md
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:796
- - 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\05_PassiveCheckboxJumpRules.md"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2516

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

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Downloads

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

Filesize
3KB

MD5
4c193b32deb65524da20566464680d97

SHA1
06e8de2f4c5b6a1e9712ade8303100b607b88ea6

SHA256
7e14297ed6df041425f63554a32db271e0adc6e7d7f7bf524fb88e7f35766510

SHA512
d9697854b7a18720aef16d8883d4ece73fdc9747f983792e83f51aa01f8b650d046f75913bde460c733926b000188c18f6e9fc2d82d7fc3020e515e919b22da8

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