azorult | d91912b4b945e88e881e54573390e6723cfc41916b6546453b59e60f9beee337

Analysis

max time kernel
1797s
max time network
1811s
platform
windows10_x64
resource
win10v20201028
submitted
20-11-2020 14:34

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General

Target

0a9f79abd48b95544d7e2b6658637d1eb23067a94e10bf06d05c9ecc73cf4b51.exe

Score

10^/10

azorult oski discovery infostealer spyware stealer trojan

Malware Config

Extracted

Family

azorult

http://195.245.112.115/index.php

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

Processes:

ozchgftrq.exeozchgftrq.exeozchgftrq.exe

pid process

188 ozchgftrq.exe
1512 ozchgftrq.exe
1304 ozchgftrq.exe
Loads dropped DLL 3 IoCs

Processes:

ozchgftrq.exe

pid process

1304 ozchgftrq.exe
1304 ozchgftrq.exe
1304 ozchgftrq.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

pid	process
188	ozchgftrq.exe
1512	ozchgftrq.exe
1304	ozchgftrq.exe

pid	process
1304	ozchgftrq.exe
1304	ozchgftrq.exe
1304	ozchgftrq.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

0a9f79abd48b95544d7e2b6658637d1eb23067a94e10bf06d05c9ecc73cf4b51.exeozchgftrq.exe

description	pid	process	target process
PID 424 set thread context of 2268	424	0a9f79abd48b95544d7e2b6658637d1eb23067a94e10bf06d05c9ecc73cf4b51.exe	0a9f79abd48b95544d7e2b6658637d1eb23067a94e10bf06d05c9ecc73cf4b51.exe
PID 188 set thread context of 1304	188	ozchgftrq.exe	ozchgftrq.exe

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

Processes:

ozchgftrq.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString ozchgftrq.exe
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

1324 taskkill.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

ozchgftrq.exe

pid process

188 ozchgftrq.exe
188 ozchgftrq.exe

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

pid	process
1324	taskkill.exe

pid	process
188	ozchgftrq.exe
188	ozchgftrq.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

0a9f79abd48b95544d7e2b6658637d1eb23067a94e10bf06d05c9ecc73cf4b51.exeozchgftrq.exetaskkill.exe

description	pid	process
Token: SeDebugPrivilege	424	0a9f79abd48b95544d7e2b6658637d1eb23067a94e10bf06d05c9ecc73cf4b51.exe
Token: SeDebugPrivilege	188	ozchgftrq.exe
Token: SeDebugPrivilege	1324	taskkill.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

0a9f79abd48b95544d7e2b6658637d1eb23067a94e10bf06d05c9ecc73cf4b51.exeozchgftrq.exeozchgftrq.execmd.exe

description	pid	process	target process
PID 424 wrote to memory of 188	424	0a9f79abd48b95544d7e2b6658637d1eb23067a94e10bf06d05c9ecc73cf4b51.exe	ozchgftrq.exe
PID 424 wrote to memory of 188	424	0a9f79abd48b95544d7e2b6658637d1eb23067a94e10bf06d05c9ecc73cf4b51.exe	ozchgftrq.exe
PID 424 wrote to memory of 188	424	0a9f79abd48b95544d7e2b6658637d1eb23067a94e10bf06d05c9ecc73cf4b51.exe	ozchgftrq.exe
PID 424 wrote to memory of 2268	424	0a9f79abd48b95544d7e2b6658637d1eb23067a94e10bf06d05c9ecc73cf4b51.exe	0a9f79abd48b95544d7e2b6658637d1eb23067a94e10bf06d05c9ecc73cf4b51.exe
PID 424 wrote to memory of 2268	424	0a9f79abd48b95544d7e2b6658637d1eb23067a94e10bf06d05c9ecc73cf4b51.exe	0a9f79abd48b95544d7e2b6658637d1eb23067a94e10bf06d05c9ecc73cf4b51.exe
PID 424 wrote to memory of 2268	424	0a9f79abd48b95544d7e2b6658637d1eb23067a94e10bf06d05c9ecc73cf4b51.exe	0a9f79abd48b95544d7e2b6658637d1eb23067a94e10bf06d05c9ecc73cf4b51.exe
PID 424 wrote to memory of 2268	424	0a9f79abd48b95544d7e2b6658637d1eb23067a94e10bf06d05c9ecc73cf4b51.exe	0a9f79abd48b95544d7e2b6658637d1eb23067a94e10bf06d05c9ecc73cf4b51.exe
PID 424 wrote to memory of 2268	424	0a9f79abd48b95544d7e2b6658637d1eb23067a94e10bf06d05c9ecc73cf4b51.exe	0a9f79abd48b95544d7e2b6658637d1eb23067a94e10bf06d05c9ecc73cf4b51.exe
PID 424 wrote to memory of 2268	424	0a9f79abd48b95544d7e2b6658637d1eb23067a94e10bf06d05c9ecc73cf4b51.exe	0a9f79abd48b95544d7e2b6658637d1eb23067a94e10bf06d05c9ecc73cf4b51.exe
PID 424 wrote to memory of 2268	424	0a9f79abd48b95544d7e2b6658637d1eb23067a94e10bf06d05c9ecc73cf4b51.exe	0a9f79abd48b95544d7e2b6658637d1eb23067a94e10bf06d05c9ecc73cf4b51.exe
PID 424 wrote to memory of 2268	424	0a9f79abd48b95544d7e2b6658637d1eb23067a94e10bf06d05c9ecc73cf4b51.exe	0a9f79abd48b95544d7e2b6658637d1eb23067a94e10bf06d05c9ecc73cf4b51.exe
PID 424 wrote to memory of 2268	424	0a9f79abd48b95544d7e2b6658637d1eb23067a94e10bf06d05c9ecc73cf4b51.exe	0a9f79abd48b95544d7e2b6658637d1eb23067a94e10bf06d05c9ecc73cf4b51.exe
PID 188 wrote to memory of 1512	188	ozchgftrq.exe	ozchgftrq.exe
PID 188 wrote to memory of 1512	188	ozchgftrq.exe	ozchgftrq.exe
PID 188 wrote to memory of 1512	188	ozchgftrq.exe	ozchgftrq.exe
PID 188 wrote to memory of 1304	188	ozchgftrq.exe	ozchgftrq.exe
PID 188 wrote to memory of 1304	188	ozchgftrq.exe	ozchgftrq.exe
PID 188 wrote to memory of 1304	188	ozchgftrq.exe	ozchgftrq.exe
PID 188 wrote to memory of 1304	188	ozchgftrq.exe	ozchgftrq.exe
PID 188 wrote to memory of 1304	188	ozchgftrq.exe	ozchgftrq.exe
PID 188 wrote to memory of 1304	188	ozchgftrq.exe	ozchgftrq.exe
PID 188 wrote to memory of 1304	188	ozchgftrq.exe	ozchgftrq.exe
PID 188 wrote to memory of 1304	188	ozchgftrq.exe	ozchgftrq.exe
PID 188 wrote to memory of 1304	188	ozchgftrq.exe	ozchgftrq.exe
PID 1304 wrote to memory of 580	1304	ozchgftrq.exe	cmd.exe
PID 1304 wrote to memory of 580	1304	ozchgftrq.exe	cmd.exe
PID 1304 wrote to memory of 580	1304	ozchgftrq.exe	cmd.exe
PID 580 wrote to memory of 1324	580	cmd.exe	taskkill.exe
PID 580 wrote to memory of 1324	580	cmd.exe	taskkill.exe
PID 580 wrote to memory of 1324	580	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\0a9f79abd48b95544d7e2b6658637d1eb23067a94e10bf06d05c9ecc73cf4b51.exe
"C:\Users\Admin\AppData\Local\Temp\0a9f79abd48b95544d7e2b6658637d1eb23067a94e10bf06d05c9ecc73cf4b51.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:424
- C:\Users\Admin\AppData\Local\Temp\ozchgftrq.exe
  "C:\Users\Admin\AppData\Local\Temp\ozchgftrq.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:188
- - C:\Users\Admin\AppData\Local\Temp\ozchgftrq.exe
    "{path}"
    3⤵
    - Executes dropped EXE
    PID:1512
- - C:\Users\Admin\AppData\Local\Temp\ozchgftrq.exe
    "{path}"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Checks processor information in registry
    - Suspicious use of WriteProcessMemory
    PID:1304
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /pid 1304 & erase C:\Users\Admin\AppData\Local\Temp\ozchgftrq.exe & RD /S /Q C:\\ProgramData\\566008868267324\\* & exit
      4⤵
      Suspicious use of WriteProcessMemory
      PID:580
    - - C:\Windows\SysWOW64\taskkill.exe
        
        taskkill /pid 1304
        5⤵
        Kills process with taskkill
        Suspicious use of AdjustPrivilegeToken
        
        PID:1324
- C:\Users\Admin\AppData\Local\Temp\0a9f79abd48b95544d7e2b6658637d1eb23067a94e10bf06d05c9ecc73cf4b51.exe
  "{path}"
  2⤵
  PID:2268

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

C:\Users\Admin\AppData\Local\Temp\ozchgftrq.exe

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C:\Users\Admin\AppData\Local\Temp\ozchgftrq.exe

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C:\Users\Admin\AppData\Local\Temp\ozchgftrq.exe

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C:\Users\Admin\AppData\Local\Temp\ozchgftrq.exe

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\ProgramData\mozglue.dll

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\ProgramData\nss3.dll

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\ProgramData\sqlite3.dll

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memory/188-24-0x00000000081D0000-0x0000000008229000-memory.dmp

Filesize
356KB

Download
memory/188-17-0x0000000000420000-0x0000000000421000-memory.dmp

Filesize
4KB

Download
memory/188-14-0x0000000073D50000-0x000000007443E000-memory.dmp

Filesize
6.9MB

Download
memory/188-10-0x0000000000000000-mapping.dmp

Download
memory/424-8-0x0000000006F10000-0x0000000006F57000-memory.dmp

Filesize
284KB

Download
memory/424-3-0x00000000056F0000-0x00000000056F1000-memory.dmp

Filesize
4KB

Download
memory/424-1-0x0000000000920000-0x0000000000921000-memory.dmp

Filesize
4KB

Download
memory/424-9-0x0000000007000000-0x0000000007001000-memory.dmp

Filesize
4KB

Download
memory/424-4-0x00000000052F0000-0x00000000052F1000-memory.dmp

Filesize
4KB

Download
memory/424-0-0x0000000073D50000-0x000000007443E000-memory.dmp

Filesize
6.9MB

Download
memory/424-7-0x0000000008990000-0x00000000089A4000-memory.dmp

Filesize
80KB

Download
memory/424-6-0x0000000008DD0000-0x0000000008DD1000-memory.dmp

Filesize
4KB

Download
memory/424-5-0x0000000005450000-0x0000000005451000-memory.dmp

Filesize
4KB

Download
memory/580-38-0x0000000000000000-mapping.dmp

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memory/1304-28-0x0000000000417A8B-mapping.dmp

Download
memory/1304-30-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/1304-27-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/1324-39-0x0000000000000000-mapping.dmp

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memory/2268-16-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2268-15-0x000000000041A684-mapping.dmp

Download
memory/2268-13-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

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