ce246655a1634245a92b0ba781ac4829471a12a0ae1065645d761d729deb5d6a

Analysis

max time kernel
151s
max time network
47s
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/chaleco2.dff
Size

5KB
MD5

adcfb44cafe62da98c031f4700a516c1
SHA1

e8853dd1f1d553bfed3ee3e2f2a6967b51db51ad
SHA256

dfe617f5a572b06379d3fb5bcfa244744e357f7068dbf64363106fa19da196b2
SHA512

235e9d78d415e1fa4988a75097e999f52143bc6917dcb72fb376b419ce34f253e96396304a7bf07265885a9082666d549056409cf3469e02ce93010698423f58
SSDEEP

96:CWaqrJqrpPIml7PIx+bzTbkR3fcu2dFeKULEFkuHPcFTT2+RWbyOOS:CdqrJypPDG+bfb4vh2d9UAUNuOS

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	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
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
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\dff_auto_file\shell	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
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

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1784	AcroRd32.exe
1784	AcroRd32.exe
1784	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1720 wrote to memory of 1112	1720	cmd.exe	27
PID 1720 wrote to memory of 1112	1720	cmd.exe	27
PID 1720 wrote to memory of 1112	1720	cmd.exe	27
PID 1112 wrote to memory of 1784	1112	rundll32.exe	28
PID 1112 wrote to memory of 1784	1112	rundll32.exe	28
PID 1112 wrote to memory of 1784	1112	rundll32.exe	28
PID 1112 wrote to memory of 1784	1112	rundll32.exe	28

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\[IBRA-2022]Mina2\chaleco2.dff
1⤵
- Suspicious use of WriteProcessMemory
PID:1720
- 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\chaleco2.dff
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1112
- - 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\chaleco2.dff"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1784

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

Replay Monitor

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Downloads

memory/1720-54-0x000007FEFB7D1000-0x000007FEFB7D3000-memory.dmp

Filesize
8KB

Download
memory/1784-82-0x0000000074BB1000-0x0000000074BB3000-memory.dmp

Filesize
8KB

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