azorult | 34a27a9beb4f68668a75967b9ea609dd2a958b29c66b70e0bd8e69bc5456fedb

Analysis

max time kernel
98s
max time network
112s
platform
windows10_x64
resource
win10v20201028
submitted
12/11/2020, 00:01

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General

Target
34a27a9beb4f68668a75967b9ea609dd2a958b29c66b70e0bd8e69bc5456fedb.exe
Size 667KB
Sample201112-6rs9rfsesa
SHA256 34a27a9beb4f68668a75967b9ea609dd2a958b29c66b70e0bd8e69bc5456fedb
MD5 a7bb277ebea155081e10479495249ad7
SHA1 47b8964f0904bd37997d8d8580fcf08fc76b98d1
SHA512 c53f9f3e654b963cf61c2112f4470809c582994235eb16ffd4f2edf7b68f16b3ee65622b0dfae2aed8e4f0859b320d48ac5e7a5268b0f3b51dc97197e8b96701
MD5 SHA1 SHA512

Score

10^/10

azorult oski discovery infostealer spyware stealer trojan

Malware Config

Extracted

Family

azorult

http://195.245.112.115/index.php

Extracted

Family

oski

morasergiov.ac.ug

Signatures

Azorult
An information stealer that was first discovered in 2016, targeting browsing history and passwords.
trojan infostealer azorult
Oski
Oski is an infostealer targeting browser data, crypto wallets.
infostealer oski
Downloads MZ/PE file

Executes dropped EXE 3 IoCs

pid	Process
2200	oscjgfhwvvas.exe
3940	oscjgfhwvvas.exe
3920	oscjgfhwvvas.exe

Loads dropped DLL 3 IoCs

pid	Process
3920	oscjgfhwvvas.exe
3920	oscjgfhwvvas.exe
3920	oscjgfhwvvas.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 500 set thread context of 496	500	34a27a9beb4f68668a75967b9ea609dd2a958b29c66b70e0bd8e69bc5456fedb.exe	79
PID 2200 set thread context of 3920	2200	oscjgfhwvvas.exe	81

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 1 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	oscjgfhwvvas.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
1836	taskkill.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2200	oscjgfhwvvas.exe
2200	oscjgfhwvvas.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	500	34a27a9beb4f68668a75967b9ea609dd2a958b29c66b70e0bd8e69bc5456fedb.exe
Token: SeDebugPrivilege	2200	oscjgfhwvvas.exe
Token: SeDebugPrivilege	1836	taskkill.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 500 wrote to memory of 2200	500	34a27a9beb4f68668a75967b9ea609dd2a958b29c66b70e0bd8e69bc5456fedb.exe	78
PID 500 wrote to memory of 2200	500	34a27a9beb4f68668a75967b9ea609dd2a958b29c66b70e0bd8e69bc5456fedb.exe	78
PID 500 wrote to memory of 2200	500	34a27a9beb4f68668a75967b9ea609dd2a958b29c66b70e0bd8e69bc5456fedb.exe	78
PID 500 wrote to memory of 496	500	34a27a9beb4f68668a75967b9ea609dd2a958b29c66b70e0bd8e69bc5456fedb.exe	79
PID 500 wrote to memory of 496	500	34a27a9beb4f68668a75967b9ea609dd2a958b29c66b70e0bd8e69bc5456fedb.exe	79
PID 500 wrote to memory of 496	500	34a27a9beb4f68668a75967b9ea609dd2a958b29c66b70e0bd8e69bc5456fedb.exe	79
PID 500 wrote to memory of 496	500	34a27a9beb4f68668a75967b9ea609dd2a958b29c66b70e0bd8e69bc5456fedb.exe	79
PID 500 wrote to memory of 496	500	34a27a9beb4f68668a75967b9ea609dd2a958b29c66b70e0bd8e69bc5456fedb.exe	79
PID 500 wrote to memory of 496	500	34a27a9beb4f68668a75967b9ea609dd2a958b29c66b70e0bd8e69bc5456fedb.exe	79
PID 500 wrote to memory of 496	500	34a27a9beb4f68668a75967b9ea609dd2a958b29c66b70e0bd8e69bc5456fedb.exe	79
PID 500 wrote to memory of 496	500	34a27a9beb4f68668a75967b9ea609dd2a958b29c66b70e0bd8e69bc5456fedb.exe	79
PID 500 wrote to memory of 496	500	34a27a9beb4f68668a75967b9ea609dd2a958b29c66b70e0bd8e69bc5456fedb.exe	79
PID 2200 wrote to memory of 3940	2200	oscjgfhwvvas.exe	80
PID 2200 wrote to memory of 3940	2200	oscjgfhwvvas.exe	80
PID 2200 wrote to memory of 3940	2200	oscjgfhwvvas.exe	80
PID 2200 wrote to memory of 3920	2200	oscjgfhwvvas.exe	81
PID 2200 wrote to memory of 3920	2200	oscjgfhwvvas.exe	81
PID 2200 wrote to memory of 3920	2200	oscjgfhwvvas.exe	81
PID 2200 wrote to memory of 3920	2200	oscjgfhwvvas.exe	81
PID 2200 wrote to memory of 3920	2200	oscjgfhwvvas.exe	81
PID 2200 wrote to memory of 3920	2200	oscjgfhwvvas.exe	81
PID 2200 wrote to memory of 3920	2200	oscjgfhwvvas.exe	81
PID 2200 wrote to memory of 3920	2200	oscjgfhwvvas.exe	81
PID 2200 wrote to memory of 3920	2200	oscjgfhwvvas.exe	81
PID 3920 wrote to memory of 3460	3920	oscjgfhwvvas.exe	82
PID 3920 wrote to memory of 3460	3920	oscjgfhwvvas.exe	82
PID 3920 wrote to memory of 3460	3920	oscjgfhwvvas.exe	82
PID 3460 wrote to memory of 1836	3460	cmd.exe	84
PID 3460 wrote to memory of 1836	3460	cmd.exe	84
PID 3460 wrote to memory of 1836	3460	cmd.exe	84

C:\Users\Admin\AppData\Local\Temp\34a27a9beb4f68668a75967b9ea609dd2a958b29c66b70e0bd8e69bc5456fedb.exe
"C:\Users\Admin\AppData\Local\Temp\34a27a9beb4f68668a75967b9ea609dd2a958b29c66b70e0bd8e69bc5456fedb.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:500
- C:\Users\Admin\AppData\Local\Temp\oscjgfhwvvas.exe
  "C:\Users\Admin\AppData\Local\Temp\oscjgfhwvvas.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2200
- - C:\Users\Admin\AppData\Local\Temp\oscjgfhwvvas.exe
    "{path}"
    3⤵
    - Executes dropped EXE
    PID:3940
- - C:\Users\Admin\AppData\Local\Temp\oscjgfhwvvas.exe
    "{path}"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Checks processor information in registry
    - Suspicious use of WriteProcessMemory
    PID:3920
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /pid 3920 & erase C:\Users\Admin\AppData\Local\Temp\oscjgfhwvvas.exe & RD /S /Q C:\\ProgramData\\734014943863516\\* & exit
      4⤵
      Suspicious use of WriteProcessMemory
      PID:3460
    - - C:\Windows\SysWOW64\taskkill.exe
        
        taskkill /pid 3920
        5⤵
        Kills process with taskkill
        Suspicious use of AdjustPrivilegeToken
        
        PID:1836
- C:\Users\Admin\AppData\Local\Temp\34a27a9beb4f68668a75967b9ea609dd2a958b29c66b70e0bd8e69bc5456fedb.exe
  "{path}"
  2⤵
  PID:496

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/496-22-0x0000000000400000-0x0000000000420000-memory.dmp

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memory/496-18-0x0000000000400000-0x0000000000420000-memory.dmp

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memory/500-10-0x0000000004A80000-0x0000000004A81000-memory.dmp

Download

memory/500-14-0x00000000081D0000-0x00000000081D1000-memory.dmp

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memory/500-13-0x0000000005270000-0x00000000052B7000-memory.dmp

Download

memory/500-0-0x0000000073560000-0x0000000073C4E000-memory.dmp

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memory/500-12-0x0000000005B20000-0x0000000005B34000-memory.dmp

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memory/500-11-0x0000000008500000-0x0000000008501000-memory.dmp

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memory/500-5-0x0000000004BF0000-0x0000000004BF1000-memory.dmp

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memory/500-4-0x00000000094D0000-0x00000000094D1000-memory.dmp

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memory/500-3-0x0000000006F70000-0x0000000006FC2000-memory.dmp

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memory/500-1-0x0000000000200000-0x0000000000201000-memory.dmp

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memory/2200-19-0x0000000073560000-0x0000000073C4E000-memory.dmp

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memory/2200-31-0x0000000008F30000-0x0000000008F89000-memory.dmp

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memory/2200-24-0x00000000055E0000-0x000000000563B000-memory.dmp

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memory/2200-21-0x0000000000CA0000-0x0000000000CA1000-memory.dmp

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memory/3920-36-0x0000000000400000-0x0000000000434000-memory.dmp

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memory/3920-39-0x0000000000400000-0x0000000000434000-memory.dmp

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