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
17s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
21/05/2024, 14:43

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General

Target

Some Problems/Copy of FEAKYmgxvrkNA31lch-QqDI5O4_L40S-Ibs28XCAL6Kzfehhrv9kepTtyovfm6UL.c9r
Size

439KB
MD5

de4b535dccbb0eed6c530cad015b3edb
SHA1

3c2fb14dfecb0c6c7575cdb7dc541f5af38799d9
SHA256

57b764e8940e908f49820d054d0bbc0d8f81155e0f742c4f850039def833252e
SHA512

90e1b52bffa4bedb4e273b6811ee4641c637d94b95c5503fa872cec84b6457aa787201a42625bef58462cf3dca863d9ddf4a3455de3787c293b02c8efb403845
SSDEEP

12288:E8367aQz0Vq1QFyoRoueijj96WE4GN1vpuV+c2vS:/67a5VqZ5ijj9614GN1vpuVAa

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-1-5-21-481678230-3773327859-3495911762-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\c9r_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\.c9r	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\c9r_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\c9r_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\c9r_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\.c9r\ = "c9r_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\c9r_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_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
2668	AcroRd32.exe
2668	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2288 wrote to memory of 2680	2288	cmd.exe	29
PID 2288 wrote to memory of 2680	2288	cmd.exe	29
PID 2288 wrote to memory of 2680	2288	cmd.exe	29
PID 2680 wrote to memory of 2668	2680	rundll32.exe	30
PID 2680 wrote to memory of 2668	2680	rundll32.exe	30
PID 2680 wrote to memory of 2668	2680	rundll32.exe	30
PID 2680 wrote to memory of 2668	2680	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Some Problems\Copy of FEAKYmgxvrkNA31lch-QqDI5O4_L40S-Ibs28XCAL6Kzfehhrv9kepTtyovfm6UL.c9r"
1⤵
- Suspicious use of WriteProcessMemory
PID:2288
- 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 FEAKYmgxvrkNA31lch-QqDI5O4_L40S-Ibs28XCAL6Kzfehhrv9kepTtyovfm6UL.c9r
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2680
- - 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 FEAKYmgxvrkNA31lch-QqDI5O4_L40S-Ibs28XCAL6Kzfehhrv9kepTtyovfm6UL.c9r"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:2668

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
8ce1e0e1c738bc56ac3e3ff29becf207

SHA1
28cbc127f36fc80aebe16ac48dc3de0df683ffa2

SHA256
a156272c34569fb778372ee4799db54ae27beb70d234dea988fbb1b4c117fbd9

SHA512
37937c2c874a7f9fbc1e371ae1610a2c168ea6f0864c3de5d95d73c10ce7b56f2ed3f37b413502f812ac8e08c9b0a71218e4eaf35133496214a96bb214bb3bae

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