d5e9ccf1171f5f24addd7f454eb758f4b0921b94da3097ce540d9f9f25e6f5bd

Resubmissions

05/10/2022, 13:11

221005-qfb9tsedb9 1

04/10/2022, 16:13

221004-tpg38abgep 3

Analysis

max time kernel
150s
max time network
47s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
04/10/2022, 16:13

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Report Analysis Logs

General

Target

Flux.app/Contents/Resources/macflux.icns
Size

122KB
MD5

81b9584d1a1d0ef80c56dabeaef3e2f1
SHA1

e7b326bfa200c014a31587d9179a846aa58c403d
SHA256

5e8725ac0a9d00dfe3d063ec1d939db357203a1a6035a1d6824e79cad0b59add
SHA512

78c933b3797cf4dfd28d0c7084acc401d16c01ff011f0cec773e38bd1f9cbd73df721a7c260934463fd594a90ecaa0bfc41a5f1f229cd137bcf846ae2715a877
SSDEEP

3072:aq6aD3jC6szSoJH8APl5XxOmp92RXwr0ENFFy:aq6avC69i8APHxvNr0ENFFy

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\icns_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\icns_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\icns_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\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\icns_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\.icns	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\.icns\ = "icns_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\icns_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\icns_auto_file\shell\Read\command	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 992 wrote to memory of 588	992	cmd.exe	28
PID 992 wrote to memory of 588	992	cmd.exe	28
PID 992 wrote to memory of 588	992	cmd.exe	28
PID 588 wrote to memory of 636	588	rundll32.exe	29
PID 588 wrote to memory of 636	588	rundll32.exe	29
PID 588 wrote to memory of 636	588	rundll32.exe	29
PID 588 wrote to memory of 636	588	rundll32.exe	29

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Flux.app\Contents\Resources\macflux.icns
1⤵
- Suspicious use of WriteProcessMemory
PID:992
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Flux.app\Contents\Resources\macflux.icns
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:588
- - 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\Flux.app\Contents\Resources\macflux.icns"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:636

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/636-82-0x0000000076561000-0x0000000076563000-memory.dmp

Filesize
8KB

Download
memory/992-54-0x000007FEFBF81000-0x000007FEFBF83000-memory.dmp

Filesize
8KB

Download