ce246655a1634245a92b0ba781ac4829471a12a0ae1065645d761d729deb5d6a

Analysis

max time kernel
150s
max time network
50s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
12/01/2023, 05:00

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General

Target

[IBRA-2022]Mina2/cueva1v2.col
Size

29KB
MD5

830a08d3b7ffd0373e211635afd442e4
SHA1

b1df1de29eb1bcb37028d5d4e399a88a87e4cfee
SHA256

3c526326006b5a60dbde7f4c7c0271c9696157e1043631a7537ef8956a2ab068
SHA512

287478cb60dc0fcd7c3cd37e1d2c0363c54349830d300eebf4b2e6d69b94137b405933eddcf2c9611f2946804cbcef538aed139007972efd68dab1048834f4e9
SSDEEP

384:tGHxYLi8ws0y9lOI2AFG/QZsDpfwN9Kc/EPUUc1aJ8opkKX3Ad8BWHuKdPL5glFl:92sllJJ3sDhC9Kc/EPeoXwKQuW1M

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies registry class 10 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\.col	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\col_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\col_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\col_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\col_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\col_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\col_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\.col\ = "col_auto_file"	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1516	AcroRd32.exe
1516	AcroRd32.exe
1516	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1760 wrote to memory of 1764	1760	cmd.exe	28
PID 1760 wrote to memory of 1764	1760	cmd.exe	28
PID 1760 wrote to memory of 1764	1760	cmd.exe	28
PID 1764 wrote to memory of 1516	1764	rundll32.exe	29
PID 1764 wrote to memory of 1516	1764	rundll32.exe	29
PID 1764 wrote to memory of 1516	1764	rundll32.exe	29
PID 1764 wrote to memory of 1516	1764	rundll32.exe	29

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\[IBRA-2022]Mina2\cueva1v2.col
1⤵
- Suspicious use of WriteProcessMemory
PID:1760
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\[IBRA-2022]Mina2\cueva1v2.col
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1764
- - 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\[IBRA-2022]Mina2\cueva1v2.col"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1516

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1516-82-0x0000000074DA1000-0x0000000074DA3000-memory.dmp

Filesize
8KB

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memory/1760-54-0x000007FEFB651000-0x000007FEFB653000-memory.dmp

Filesize
8KB

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