ce246655a1634245a92b0ba781ac4829471a12a0ae1065645d761d729deb5d6a

Analysis

max time kernel
150s
max time network
39s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
12/01/2023, 05:00

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General

Target

[IBRA-2022]Mina2/cueva1v3.dff
Size

134KB
MD5

d7f326138b3ac0a12bc00df870123acf
SHA1

bace2b7ed97b5f5c4b57cd87d53a4bad3c33c7ff
SHA256

8d527e592733900ab7a07921359fea3363fd49e89412aee9bf67ef4437ea3a1d
SHA512

e6a69aaeda41e156f536080c831bcde9609802d99154406fe0abe35a49bcdf5405a2d13dc7f541204bc45cbc67938151c4748bbc868c2d99d768eb937147168f
SSDEEP

3072:77AN0CTTTTTTTTTTTTTTTTTTTTTTTTTTFwYdZbjsLfOyKiuIAS64hbp6:77kTTTTTTTTTTTTTTTTTTTTTTTTTTFXR

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-1-5-21-999675638-2867687379-27515722-1000_CLASSES\dff_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\dff_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\.dff	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\dff_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\.dff\ = "dff_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\dff_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\dff_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\dff_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1144 wrote to memory of 1360	1144	cmd.exe	28
PID 1144 wrote to memory of 1360	1144	cmd.exe	28
PID 1144 wrote to memory of 1360	1144	cmd.exe	28
PID 1360 wrote to memory of 1700	1360	rundll32.exe	29
PID 1360 wrote to memory of 1700	1360	rundll32.exe	29
PID 1360 wrote to memory of 1700	1360	rundll32.exe	29
PID 1360 wrote to memory of 1700	1360	rundll32.exe	29

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\[IBRA-2022]Mina2\cueva1v3.dff
1⤵
- Suspicious use of WriteProcessMemory
PID:1144
- 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\cueva1v3.dff
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1360
- - 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\cueva1v3.dff"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1700

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/1144-54-0x000007FEFC001000-0x000007FEFC003000-memory.dmp

Filesize
8KB

Download
memory/1700-82-0x0000000075AD1000-0x0000000075AD3000-memory.dmp

Filesize
8KB

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