b9973ba3407e32e942f5873c609b4552ce787e79df192f6588292f23080e08b8

Analysis

max time kernel
34s
max time network
18s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
05-03-2024 13:14

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General

Target

mc chet/mycfg.cfg
Size

22KB
MD5

5c8b2bf2a318bbe97d82b0625b87b4d9
SHA1

e63e672129412bb01f54bbffb019f244042ba726
SHA256

c26be3a07e6bbcc60a1cec7e4e861cd05debb4dc9c52317c24bcae5c2ab6c46c
SHA512

1dbb727001c607863020faccc026fccf4d8561c315d1d2c89382a09067ca0a3e2068beae797a6e2c58ca0f2b4498e740196cc5920af4f6ac777fd7a7d3cf7688
SSDEEP

384:CXBuTPXYmxiBKzH+HEPKybhSAarQrI7LgSw:LSAartzw

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-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\cfg_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\cfg_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\.cfg	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\cfg_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\cfg_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\.cfg\ = "cfg_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\cfg_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\cfg_auto_file\shell\Read\command	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2060	AcroRd32.exe
2060	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2852 wrote to memory of 2628	2852	cmd.exe	29
PID 2852 wrote to memory of 2628	2852	cmd.exe	29
PID 2852 wrote to memory of 2628	2852	cmd.exe	29
PID 2628 wrote to memory of 2060	2628	rundll32.exe	30
PID 2628 wrote to memory of 2060	2628	rundll32.exe	30
PID 2628 wrote to memory of 2060	2628	rundll32.exe	30
PID 2628 wrote to memory of 2060	2628	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\mc chet\mycfg.cfg"
1⤵
- Suspicious use of WriteProcessMemory
PID:2852
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\mc chet\mycfg.cfg
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2628
- - 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\mc chet\mycfg.cfg"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:2060

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
dc00e1991430ed0e263e74a1929a5826

SHA1
b95978f0c22a1f3e0bdbf05ec98308f61913c323

SHA256
189c8cc3d01eef5140ab0437b067feab52daed39df0c624039fab579294ec041

SHA512
e9b0ff42c6e81e0f68dd8801fb4139fe3f309dd2cfd01d56c53917e00e8f6328dca5c04cec9cfb044d752fa6f94ca939bd3706a2f460556d525e1142be52b26a

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