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
16s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
21/05/2024, 14:43

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General

Target

Some Problems/Copy of SNd4-9txzdskyzcF7Lic-BdLhYfwnmWzra9vRxxqAlmnzRUo5xO-uxEdwjJvnk5khc3UqH9ds4I=.c9r
Size

658KB
MD5

dcdf8fa40f05623a3ed398a3894be7d2
SHA1

a9c8c435acf14235c430a069ecf057a2c886b673
SHA256

15332cd7d7f27f6d7f9dac14d3b2f4d202999b34f31c5704293e3e2ec1b0c6aa
SHA512

e410e08fb7b2cb9caed7ecbdbbbfea22f8c7058854a80030b9fe5e673aeb695fda67b82cb860324df5af59e5ef5e1c5af319a8badcc0c9fe9be350606bf59c80
SSDEEP

12288:wdHeIhHngDmvY2JWAEYXTHcYr37jN4QDrAKCIQ+y08XmrF4p/n1xe0+KyuUL8Gm:wMGHnCmvMAE2ZSGCIQB08UF4/uKyJL8h

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-1-5-21-2248906074-2862704502-246302768-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\c9r_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\.c9r	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\c9r_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\c9r_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\c9r_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\.c9r\ = "c9r_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\c9r_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\c9r_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2436	AcroRd32.exe
2436	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1636 wrote to memory of 2560	1636	cmd.exe	29
PID 1636 wrote to memory of 2560	1636	cmd.exe	29
PID 1636 wrote to memory of 2560	1636	cmd.exe	29
PID 2560 wrote to memory of 2436	2560	rundll32.exe	30
PID 2560 wrote to memory of 2436	2560	rundll32.exe	30
PID 2560 wrote to memory of 2436	2560	rundll32.exe	30
PID 2560 wrote to memory of 2436	2560	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Some Problems\Copy of SNd4-9txzdskyzcF7Lic-BdLhYfwnmWzra9vRxxqAlmnzRUo5xO-uxEdwjJvnk5khc3UqH9ds4I=.c9r"
1⤵
- Suspicious use of WriteProcessMemory
PID:1636
- 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 SNd4-9txzdskyzcF7Lic-BdLhYfwnmWzra9vRxxqAlmnzRUo5xO-uxEdwjJvnk5khc3UqH9ds4I=.c9r
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2560
- - 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 SNd4-9txzdskyzcF7Lic-BdLhYfwnmWzra9vRxxqAlmnzRUo5xO-uxEdwjJvnk5khc3UqH9ds4I=.c9r"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:2436

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
f2ee01f6ab6c007841c9489901599a37

SHA1
f5ff01ebacb51657815d3b2cf2f2f9c3a855adb5

SHA256
2e7e0f32b7f0a406bd118b4f76cb17d6799599256fa8896c4e209d5d737d83d3

SHA512
b1b7c527fb1b688869311927b7ced778bfe94db5495a7b2a16d595ece4d5fa099bf17df7c471ca99691d2c9dad412a1d4ac89fc4b4fd21fbf07f152c4053b05e

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