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 60iCpZmRQgTg-GAw1jkZkKz4AkxhuCGDaQsKnqmdHNJJqYzLypci3OnO0NShtlS0k8a67gKx4Vqk9A==.c9r
Size

1.1MB
MD5

ac6c199e50053e61d4ab4de1318dc1ff
SHA1

c9b090378f64d6cae94217edd585e09bf797a7b0
SHA256

be0ae4920fb086ddb0cb8fb8627554fa4134ede51f229368df4cacf67cd2daab
SHA512

7a1312039b158b665ed84a283887672244545954bb230cb26e299a0a4f902bf5c2e04b3221d0ed36db7780448204b004dc55f93a617054b84e98d63c994e81a3
SSDEEP

24576:Xw8bPnRF3nCymj6M3dIeeAouuZs4AcMlopa9OfFJ8yLa1R:XPPX326ymeeBuGsRcr8BCY

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	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	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
Set value (str)	\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_auto_file\shell\Read\command	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_auto_file\shell\Read	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2496	AcroRd32.exe
2496	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1692 wrote to memory of 2868	1692	cmd.exe	29
PID 1692 wrote to memory of 2868	1692	cmd.exe	29
PID 1692 wrote to memory of 2868	1692	cmd.exe	29
PID 2868 wrote to memory of 2496	2868	rundll32.exe	30
PID 2868 wrote to memory of 2496	2868	rundll32.exe	30
PID 2868 wrote to memory of 2496	2868	rundll32.exe	30
PID 2868 wrote to memory of 2496	2868	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Some Problems\Copy of 60iCpZmRQgTg-GAw1jkZkKz4AkxhuCGDaQsKnqmdHNJJqYzLypci3OnO0NShtlS0k8a67gKx4Vqk9A==.c9r"
1⤵
- Suspicious use of WriteProcessMemory
PID:1692
- 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 60iCpZmRQgTg-GAw1jkZkKz4AkxhuCGDaQsKnqmdHNJJqYzLypci3OnO0NShtlS0k8a67gKx4Vqk9A==.c9r
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2868
- - 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 60iCpZmRQgTg-GAw1jkZkKz4AkxhuCGDaQsKnqmdHNJJqYzLypci3OnO0NShtlS0k8a67gKx4Vqk9A==.c9r"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:2496

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
5e307ce23fe1308ee88db589e1c34841

SHA1
dfdbf2e93bacaf9dbc3bc7f51811be74aa51fe7e

SHA256
3f51d257631e56309711ab9f5183d9c1771158e6ff473b55026fafc2a0c92d30

SHA512
187574313d9e6a022208e64be35ae809701868f2356f50a756a9d6cddde8c5d197b607007d87c98eaac945cfc5e66fda805c46c5dfb04d89fa825ac27a632aa3

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