ce246655a1634245a92b0ba781ac4829471a12a0ae1065645d761d729deb5d6a

Analysis

max time kernel
150s
max time network
46s
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.col
Size

1KB
MD5

beaba3fe2ac8fddcb19cc258e7520e20
SHA1

db9cc7c24fa0a3324da8058851b3c811ac3a074a
SHA256

e9ccde5e42843dd7db86bfe96d448f9efb3ee1b298abe800320cf1c21dad5b87
SHA512

66ee644283c3b105d4087732883f5a14964d4ed439d1ab6364011fe250b955356ee52331fc2304883b54627cf6157c186963143060297f9e332a2c6930381e34

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
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\col_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\.col	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\col_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\col_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\col_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_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-1-5-21-3845472200-3839195424-595303356-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\col_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\.col\ = "col_auto_file"	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1228	AcroRd32.exe
1228	AcroRd32.exe
1228	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1264 wrote to memory of 1720	1264	cmd.exe	29
PID 1264 wrote to memory of 1720	1264	cmd.exe	29
PID 1264 wrote to memory of 1720	1264	cmd.exe	29
PID 1720 wrote to memory of 1228	1720	rundll32.exe	30
PID 1720 wrote to memory of 1228	1720	rundll32.exe	30
PID 1720 wrote to memory of 1228	1720	rundll32.exe	30
PID 1720 wrote to memory of 1228	1720	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\[IBRA-2022]Mina2\chaleco2.col
1⤵
- Suspicious use of WriteProcessMemory
PID:1264
- 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.col
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1720
- - 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.col"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1228

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/1228-82-0x0000000076711000-0x0000000076713000-memory.dmp

Filesize
8KB

Download
memory/1264-54-0x000007FEFC581000-0x000007FEFC583000-memory.dmp

Filesize
8KB

Download