92f4be23fd098350031cbe2f661f90c7377d691eec91808636d415b9741b029a

Analysis

max time kernel
135s
max time network
34s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
01-02-2023 16:59

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General

Target

NitroxLauncher.pdb
Size

28KB
MD5

504d1bd687da54c085423754aef3bb9e
SHA1

81b33cdc7bdb75815b0a28daf7fa6fa3d5264df6
SHA256

c7d3bd0f7c870234e44778bac4d0692b7a96ddd2fbac68d7f3ad6587ed88ec98
SHA512

d691b17e877157d8b23e8e5c2660e3f665c78991a8520a69c608cbacd16350203487e66653fc1f77be8cf44f0728c7cb1379bbc46eaea8416faf6f0dc1fc87b9
SSDEEP

384:MmbpHw4kwC3e6ok3I2xkrL3UmjmhEC6T1ts5hGxkMsEnHyLzer3ahZcP1GLNe4m:M0tRC353It/3ZZUhGC/tzerkZcP1GgV

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
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\pdb_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\.pdb\ = "pdb_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\pdb_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\pdb_auto_file\shell\Read\command	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\pdb_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\.pdb	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\pdb_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\pdb_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
560	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
560	AcroRd32.exe
560	AcroRd32.exe
560	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1952 wrote to memory of 1436	1952	cmd.exe	28
PID 1952 wrote to memory of 1436	1952	cmd.exe	28
PID 1952 wrote to memory of 1436	1952	cmd.exe	28
PID 1436 wrote to memory of 560	1436	rundll32.exe	29
PID 1436 wrote to memory of 560	1436	rundll32.exe	29
PID 1436 wrote to memory of 560	1436	rundll32.exe	29
PID 1436 wrote to memory of 560	1436	rundll32.exe	29

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\NitroxLauncher.pdb
1⤵
- Suspicious use of WriteProcessMemory
PID:1952
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\NitroxLauncher.pdb
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1436
- - 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\NitroxLauncher.pdb"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:560

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/560-82-0x0000000075DF1000-0x0000000075DF3000-memory.dmp

Filesize
8KB

Download
memory/1952-54-0x000007FEFC201000-0x000007FEFC203000-memory.dmp

Filesize
8KB

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