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

04_VisibilityControl.md
Size

799B
MD5

968a50728f026a050c4fc3752685b14e
SHA1

b7eb21e97ff839976277c5e655094808b25d94d5
SHA256

fa1e25674ec161dbca5a780aaae596ce068dc6c118515607cb2a20451b48bd6a
SHA512

93ec791f7a4c1d3eacbc8b8fc8cd7048ca55b5283ee6df4424219aa3ecef753cf803eefe0f0363f00d79db712e518965908d38709e4fecb7526d6a17f8fafc91

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-1-5-21-377084978-2088738870-2818360375-1000_CLASSES\md_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000_CLASSES\md_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000_CLASSES\.md	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000_CLASSES\md_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000_CLASSES\md_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000_CLASSES\md_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000_CLASSES\.md\ = "md_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000_CLASSES\md_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2836	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2836	AcroRd32.exe
2836	AcroRd32.exe
2836	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2580 wrote to memory of 2924	2580	cmd.exe	29
PID 2580 wrote to memory of 2924	2580	cmd.exe	29
PID 2580 wrote to memory of 2924	2580	cmd.exe	29
PID 2924 wrote to memory of 2836	2924	rundll32.exe	30
PID 2924 wrote to memory of 2836	2924	rundll32.exe	30
PID 2924 wrote to memory of 2836	2924	rundll32.exe	30
PID 2924 wrote to memory of 2836	2924	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\04_VisibilityControl.md
1⤵
- Suspicious use of WriteProcessMemory
PID:2580
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\04_VisibilityControl.md
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2924
- - 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\04_VisibilityControl.md"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2836

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
071387702d97012eec747784504984bd

SHA1
ef7a2ab4e6dd6266598cd7ef4507b1a1947248af

SHA256
5fbe87aa1732ed22b79b858a6ec71ec2814007d401520dde540b1d2ed18837dd

SHA512
d8b03691e182d52e8a5f20bc9829584a5221f590bcf37039f8e6d1ed57f23249c13b0eb8e4ee06de7676ef31e7b5fed5bd8c4678a60547dbb4346b838db9cf78

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