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
49s
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

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

Flux.app/Contents/Resources/Base.lproj/MainMenu.nib/keyedobjects.nib
Size

77KB
MD5

ec2285fd7aad6740e6bcb7f76bb8f068
SHA1

fd877648eaddf156192f861327ec69490c52578c
SHA256

19eaf4a1cf98b8b38fc962ae9771fdc2975542c88d10b4f16682385846317c3a
SHA512

619691265519f59f2f0b93b7d0afce60eff00b59f7185cde96292dbd25d8f019ce29024807a458823544f5a26f9240895fb2ea4b2b0a8cd8e1ce2ec9251658c6
SSDEEP

1536:WswgQacKzR0BAIUjvKd5T5QYJSQIB/6L5sCrOZwFhox:WJXKzeBAl+PdQYoB/UqQ0

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\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
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\nib_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\nib_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\nib_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\nib_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\nib_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\.nib	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\.nib\ = "nib_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\nib_auto_file\shell\Read\command	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1276	AcroRd32.exe
1276	AcroRd32.exe
1276	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2032 wrote to memory of 456	2032	cmd.exe	28
PID 2032 wrote to memory of 456	2032	cmd.exe	28
PID 2032 wrote to memory of 456	2032	cmd.exe	28
PID 456 wrote to memory of 1276	456	rundll32.exe	29
PID 456 wrote to memory of 1276	456	rundll32.exe	29
PID 456 wrote to memory of 1276	456	rundll32.exe	29
PID 456 wrote to memory of 1276	456	rundll32.exe	29

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Flux.app\Contents\Resources\Base.lproj\MainMenu.nib\keyedobjects.nib
1⤵
- Suspicious use of WriteProcessMemory
PID:2032
- 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\Base.lproj\MainMenu.nib\keyedobjects.nib
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:456
- - 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\Base.lproj\MainMenu.nib\keyedobjects.nib"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1276

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/1276-82-0x00000000766D1000-0x00000000766D3000-memory.dmp

Filesize
8KB

Download
memory/2032-54-0x000007FEFC2F1000-0x000007FEFC2F3000-memory.dmp

Filesize
8KB

Download