ce246655a1634245a92b0ba781ac4829471a12a0ae1065645d761d729deb5d6a

Analysis

max time kernel
150s
max time network
33s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
12/01/2023, 05:00

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

[IBRA-2022]Mina2/cueva1v3.col
Size

29KB
MD5

013b7f2d9bafec63d0c9140240962bb8
SHA1

a353f5d7efb7a7cea5c2d861a41ee85055fe9206
SHA256

913acd931d34d144e6532f30e7c5506c2446e0c194568de8a93d17b53f5c4a69
SHA512

0e3e81af14f381bd397bdee5f9a9dac7f87202015aed24d72e3553cf168e3f6ec38d2da83b4c9f5a4cb4c04408ee2e6c3966b7361527c8fee40629f4eee8631c
SSDEEP

384:mGHxYLi8wsBy9lOI2AFG/kSmsDpfwN9Kc/EPUUc1zU6fWRBvuNm0/wUjjSRvJKKT:K2sElJJ7zsDhC9Kc/EPmfWCaHYv/Z2Mc

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-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\col_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\col_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\.col	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\.col\ = "col_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\col_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\col_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\col_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\col_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
676	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
676	AcroRd32.exe
676	AcroRd32.exe
676	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 744 wrote to memory of 892	744	cmd.exe	29
PID 744 wrote to memory of 892	744	cmd.exe	29
PID 744 wrote to memory of 892	744	cmd.exe	29
PID 892 wrote to memory of 676	892	rundll32.exe	30
PID 892 wrote to memory of 676	892	rundll32.exe	30
PID 892 wrote to memory of 676	892	rundll32.exe	30
PID 892 wrote to memory of 676	892	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\[IBRA-2022]Mina2\cueva1v3.col
1⤵
- Suspicious use of WriteProcessMemory
PID:744
- 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.col
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:892
- - 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.col"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:676

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

Loading Replay Monitor...

Downloads

memory/676-82-0x0000000075FF1000-0x0000000075FF3000-memory.dmp

Filesize
8KB

Download
memory/744-54-0x000007FEFC191000-0x000007FEFC193000-memory.dmp

Filesize
8KB

Download