azorult | b594ae37dfb90a402bda0803680b455ababcc67e1add26f3c3f8f192d97dbe2a

Analysis

max time kernel
61s
max time network
148s
platform
windows10_x64
resource
win10-en
submitted
02/09/2021, 15:12

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General

Target
be1aaef37143496d75cb83643ff63f8c.exe
Size 968KB
Sample210902-sk614sdeer
SHA256 b594ae37dfb90a402bda0803680b455ababcc67e1add26f3c3f8f192d97dbe2a
MD5 be1aaef37143496d75cb83643ff63f8c
SHA1 849a5bfbfdc16cad6c10edbaadcc4bad71756620
SHA512 478d565fa97298583fc72debf544f556d0c113f51fc20ab626726dd6882401f06ba73f13772f1fed0d418c1ca4160e04b52949e82d97c189fc0848f1c6c8d737
MD5 SHA1 SHA512

Score

10^/10

azorult oski raccoon 43aae292cfe6f58a13bd7111bdd7d5ded5b23ec3 discovery infostealer spyware stealer suricata trojan

Malware Config

Extracted

Family

raccoon

Botnet

43aae292cfe6f58a13bd7111bdd7d5ded5b23ec3

Attributes

url4cnc
https://telete.in/brikitiki

rc4.plain

Extracted

Family

oski

mazooyaar.ac.ug

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
Raccoon
Simple but powerful infostealer which was very active in 2019.
stealer raccoon
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
suricata
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
suricata
suricata: ET MALWARE Win32/AZORult V3.3 Client Checkin M16
suricata: ET MALWARE Win32/AZORult V3.3 Client Checkin M16
suricata
Downloads MZ/PE file

Executes dropped EXE 4 IoCs

pid	Process
1504	vcxfse.exe
2336	cbvjns.exe
1336	vcxfse.exe
3768	cbvjns.exe

Loads dropped DLL 13 IoCs

pid	Process
3800	be1aaef37143496d75cb83643ff63f8c.exe
1336	vcxfse.exe
1336	vcxfse.exe
1336	vcxfse.exe
3768	cbvjns.exe
3768	cbvjns.exe
3768	cbvjns.exe
3768	cbvjns.exe
3800	be1aaef37143496d75cb83643ff63f8c.exe
3800	be1aaef37143496d75cb83643ff63f8c.exe
3800	be1aaef37143496d75cb83643ff63f8c.exe
3800	be1aaef37143496d75cb83643ff63f8c.exe
3800	be1aaef37143496d75cb83643ff63f8c.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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 3 IoCs

description	pid	Process	procid_target
PID 1612 set thread context of 3800	1612	be1aaef37143496d75cb83643ff63f8c.exe	78
PID 1504 set thread context of 1336	1504	vcxfse.exe	79
PID 2336 set thread context of 3768	2336	cbvjns.exe	80

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 3 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	vcxfse.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	cbvjns.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	cbvjns.exe

Delays execution with timeout.exe 2 IoCs

evasion

pid	Process
2984	timeout.exe
3880	timeout.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
2992	taskkill.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3768	cbvjns.exe
3768	cbvjns.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
1612	be1aaef37143496d75cb83643ff63f8c.exe
1504	vcxfse.exe
2336	cbvjns.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2992	taskkill.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1612	be1aaef37143496d75cb83643ff63f8c.exe
1504	vcxfse.exe
2336	cbvjns.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1612 wrote to memory of 1504	1612	be1aaef37143496d75cb83643ff63f8c.exe	75
PID 1612 wrote to memory of 1504	1612	be1aaef37143496d75cb83643ff63f8c.exe	75
PID 1612 wrote to memory of 1504	1612	be1aaef37143496d75cb83643ff63f8c.exe	75
PID 1612 wrote to memory of 2336	1612	be1aaef37143496d75cb83643ff63f8c.exe	76
PID 1612 wrote to memory of 2336	1612	be1aaef37143496d75cb83643ff63f8c.exe	76
PID 1612 wrote to memory of 2336	1612	be1aaef37143496d75cb83643ff63f8c.exe	76
PID 1612 wrote to memory of 3800	1612	be1aaef37143496d75cb83643ff63f8c.exe	78
PID 1612 wrote to memory of 3800	1612	be1aaef37143496d75cb83643ff63f8c.exe	78
PID 1612 wrote to memory of 3800	1612	be1aaef37143496d75cb83643ff63f8c.exe	78
PID 1612 wrote to memory of 3800	1612	be1aaef37143496d75cb83643ff63f8c.exe	78
PID 1504 wrote to memory of 1336	1504	vcxfse.exe	79
PID 1504 wrote to memory of 1336	1504	vcxfse.exe	79
PID 1504 wrote to memory of 1336	1504	vcxfse.exe	79
PID 1504 wrote to memory of 1336	1504	vcxfse.exe	79
PID 2336 wrote to memory of 3768	2336	cbvjns.exe	80
PID 2336 wrote to memory of 3768	2336	cbvjns.exe	80
PID 2336 wrote to memory of 3768	2336	cbvjns.exe	80
PID 2336 wrote to memory of 3768	2336	cbvjns.exe	80
PID 1336 wrote to memory of 3928	1336	vcxfse.exe	83
PID 1336 wrote to memory of 3928	1336	vcxfse.exe	83
PID 1336 wrote to memory of 3928	1336	vcxfse.exe	83
PID 3928 wrote to memory of 2992	3928	cmd.exe	85
PID 3928 wrote to memory of 2992	3928	cmd.exe	85
PID 3928 wrote to memory of 2992	3928	cmd.exe	85
PID 3768 wrote to memory of 2176	3768	cbvjns.exe	89
PID 3768 wrote to memory of 2176	3768	cbvjns.exe	89
PID 3768 wrote to memory of 2176	3768	cbvjns.exe	89
PID 2176 wrote to memory of 2984	2176	cmd.exe	91
PID 2176 wrote to memory of 2984	2176	cmd.exe	91
PID 2176 wrote to memory of 2984	2176	cmd.exe	91
PID 3800 wrote to memory of 808	3800	be1aaef37143496d75cb83643ff63f8c.exe	92
PID 3800 wrote to memory of 808	3800	be1aaef37143496d75cb83643ff63f8c.exe	92
PID 3800 wrote to memory of 808	3800	be1aaef37143496d75cb83643ff63f8c.exe	92
PID 808 wrote to memory of 3880	808	cmd.exe	94
PID 808 wrote to memory of 3880	808	cmd.exe	94
PID 808 wrote to memory of 3880	808	cmd.exe	94

C:\Users\Admin\AppData\Local\Temp\be1aaef37143496d75cb83643ff63f8c.exe
"C:\Users\Admin\AppData\Local\Temp\be1aaef37143496d75cb83643ff63f8c.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1612
- C:\Users\Admin\AppData\Local\Temp\vcxfse.exe
  "C:\Users\Admin\AppData\Local\Temp\vcxfse.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1504
- - C:\Users\Admin\AppData\Local\Temp\vcxfse.exe
    "C:\Users\Admin\AppData\Local\Temp\vcxfse.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Checks processor information in registry
    - Suspicious use of WriteProcessMemory
    PID:1336
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /pid 1336 & erase C:\Users\Admin\AppData\Local\Temp\vcxfse.exe & RD /S /Q C:\\ProgramData\\729636199358597\\* & exit
      4⤵
      Suspicious use of WriteProcessMemory
      PID:3928
    - - C:\Windows\SysWOW64\taskkill.exe
        
        taskkill /pid 1336
        5⤵
        Kills process with taskkill
        Suspicious use of AdjustPrivilegeToken
        
        PID:2992
- C:\Users\Admin\AppData\Local\Temp\cbvjns.exe
  "C:\Users\Admin\AppData\Local\Temp\cbvjns.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2336
- - C:\Users\Admin\AppData\Local\Temp\cbvjns.exe
    "C:\Users\Admin\AppData\Local\Temp\cbvjns.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Checks processor information in registry
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:3768
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c C:\Windows\system32\timeout.exe 3 & del "cbvjns.exe"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2176
    - - C:\Windows\SysWOW64\timeout.exe
        
        C:\Windows\system32\timeout.exe 3
        5⤵
        Delays execution with timeout.exe
        
        PID:2984
- C:\Users\Admin\AppData\Local\Temp\be1aaef37143496d75cb83643ff63f8c.exe
  "C:\Users\Admin\AppData\Local\Temp\be1aaef37143496d75cb83643ff63f8c.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:3800
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\be1aaef37143496d75cb83643ff63f8c.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:808
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /T 10 /NOBREAK
      4⤵
      Delays execution with timeout.exe
      PID:3880

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

Replay Monitor

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Downloads

memory/1336-136-0x0000000000400000-0x0000000000434000-memory.dmp

Download

memory/1336-138-0x0000000000460000-0x0000000000461000-memory.dmp

Download

memory/1504-128-0x00000000008A0000-0x00000000008A1000-memory.dmp

Download

memory/1612-133-0x0000000003550000-0x0000000003557000-memory.dmp

Download

memory/1612-126-0x0000000000660000-0x0000000000661000-memory.dmp

Download

memory/2336-129-0x0000000000440000-0x000000000058A000-memory.dmp

Download

memory/2336-140-0x0000000000440000-0x000000000058A000-memory.dmp

Download

memory/3768-141-0x0000000000400000-0x0000000000420000-memory.dmp

Download

memory/3768-142-0x0000000000450000-0x0000000000451000-memory.dmp

Download

memory/3800-134-0x0000000000400000-0x0000000000492000-memory.dmp

Download

memory/3800-135-0x00000000006E0000-0x00000000006E1000-memory.dmp

Download