594fc6920eaa06364ff7ffeb87be15ec81882030749759a872a6b9f17da75670

Resubmissions

21/05/2024, 14:43

240521-r3mvhshd83 3

21/05/2024, 14:40

21/05/2024, 14:37

21/05/2024, 14:34

21/05/2024, 14:31

Analysis

max time kernel
18s
max time network
18s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
21/05/2024, 14:43

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General

Target

Some Problems/Copy of N2gLERBrZSukjqoGdJMFsYWzD0kSH7RJiZyTC9tTdumuh5BLGhRopffhggyP_QVm9w==.c9r
Size

91KB
MD5

ddc43783e987e20efd139954afafbccc
SHA1

efa997aee41f958768d388bef833e1255e08933b
SHA256

2abe24bc70a7782ed2375de1ab7e64185b44c7d14b5afa8cc45ac00c6e583cb4
SHA512

40e1e70d0bdca2aa61d1f5f5bfe5a8cdc84303ac6f18ec5121ec65c0be826d47ec1ac53fa21498def5c8183c62c007d272a7e568fb4d5c291a8c36d128c0a97c
SSDEEP

1536:UBIWsK9d9AtF5PCPRl70HF0kUe+3+cDQATNBpwzch1ccihLUqMHhTv:UB/PA5gWUeZcDzBpwctu10Tv

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-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\c9r_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\c9r_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\c9r_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\.c9r	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\c9r_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\c9r_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\.c9r\ = "c9r_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\c9r_auto_file\shell\Read	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2624	AcroRd32.exe
2624	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1868 wrote to memory of 2664	1868	cmd.exe	29
PID 1868 wrote to memory of 2664	1868	cmd.exe	29
PID 1868 wrote to memory of 2664	1868	cmd.exe	29
PID 2664 wrote to memory of 2624	2664	rundll32.exe	30
PID 2664 wrote to memory of 2624	2664	rundll32.exe	30
PID 2664 wrote to memory of 2624	2664	rundll32.exe	30
PID 2664 wrote to memory of 2624	2664	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Some Problems\Copy of N2gLERBrZSukjqoGdJMFsYWzD0kSH7RJiZyTC9tTdumuh5BLGhRopffhggyP_QVm9w==.c9r"
1⤵
- Suspicious use of WriteProcessMemory
PID:1868
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Some Problems\Copy of N2gLERBrZSukjqoGdJMFsYWzD0kSH7RJiZyTC9tTdumuh5BLGhRopffhggyP_QVm9w==.c9r
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2664
- - 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\Some Problems\Copy of N2gLERBrZSukjqoGdJMFsYWzD0kSH7RJiZyTC9tTdumuh5BLGhRopffhggyP_QVm9w==.c9r"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:2624

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
d2d122a4945422fa3ded2329c31da6cb

SHA1
8c533c05d3c77483aa128c17a510dbeca6d6b693

SHA256
ae44af485576d7ce46cc5e34785d681b77368bd1da2686cdc85e241391aab95e

SHA512
03ef29e1a4e78799d37f7d7072d4a8a04af8cd7fe6b02e8113a0447ac1c9242031511e90a02210c2d00075a43e14f92403ab2d7701ad3b9bb5a1efeaf4c5a8ce

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