azorult | 42caa5a2e19134770914b3b33dffaceaae03a44fc52babd8abc250d7d7696945

Analysis

max time kernel
147s
max time network
150s
platform
windows10_x64
resource
win10v20210408
submitted
11/09/2021, 12:01

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General

Target
59e2c9c861cfd0e2114f51d9db476476.exe
Size 1008KB
Sample210911-n6weaaedhl
SHA256 42caa5a2e19134770914b3b33dffaceaae03a44fc52babd8abc250d7d7696945
MD5 59e2c9c861cfd0e2114f51d9db476476
SHA1 307e889a3d28e50c959e94923197dda40d56b000
SHA512 700bc0b37e0e1d99d6bc3ee3ee66d8fd2213bbc21f3a58cb07dd9d1a425cbc49cb104500f87868077a52c40bf4ec291a6ea66c1022a159e1ac189c6aa3474ade
MD5 SHA1 SHA512

Score

10^/10

azorult oski discovery infostealer spyware stealer suricata trojan

Malware Config

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
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata
suricata: ET MALWARE Win32/AZORult V3.3 Client Checkin M18
suricata: ET MALWARE Win32/AZORult V3.3 Client Checkin M18
suricata
Downloads MZ/PE file

Executes dropped EXE 8 IoCs

pid	Process
836	vcabnv.exe
1112	fdBas.exe
2004	fdBas.exe
3828	vcabnv.exe
2464	grDBlKUDHJ.exe
852	grDBlKUDHJ.exe
668	sqlcmd.exe
3936	sqlcmd.exe

Loads dropped DLL 9 IoCs

pid	Process
2776	59e2c9c861cfd0e2114f51d9db476476.exe
2776	59e2c9c861cfd0e2114f51d9db476476.exe
2776	59e2c9c861cfd0e2114f51d9db476476.exe
2776	59e2c9c861cfd0e2114f51d9db476476.exe
2776	59e2c9c861cfd0e2114f51d9db476476.exe
2776	59e2c9c861cfd0e2114f51d9db476476.exe
2004	fdBas.exe
2004	fdBas.exe
2004	fdBas.exe

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 5 IoCs

description	pid	Process	procid_target
PID 1112 set thread context of 2004	1112	fdBas.exe	74
PID 836 set thread context of 3828	836	vcabnv.exe	75
PID 632 set thread context of 2776	632	59e2c9c861cfd0e2114f51d9db476476.exe	76
PID 2464 set thread context of 852	2464	grDBlKUDHJ.exe	89
PID 668 set thread context of 3936	668	sqlcmd.exe	104

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	fdBas.exe

Creates scheduled task(s) 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
1432	schtasks.exe
3136	schtasks.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
3180	timeout.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
3756	taskkill.exe

Modifies registry key 1 TTPs 3 IoCs

Modify Registry

T1112

pid	Process
3728	reg.exe
4000	reg.exe
4012	reg.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
1112	fdBas.exe
836	vcabnv.exe
632	59e2c9c861cfd0e2114f51d9db476476.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3756	taskkill.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
632	59e2c9c861cfd0e2114f51d9db476476.exe
836	vcabnv.exe
1112	fdBas.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 632 wrote to memory of 836	632	59e2c9c861cfd0e2114f51d9db476476.exe	68
PID 632 wrote to memory of 836	632	59e2c9c861cfd0e2114f51d9db476476.exe	68
PID 632 wrote to memory of 836	632	59e2c9c861cfd0e2114f51d9db476476.exe	68
PID 632 wrote to memory of 1112	632	59e2c9c861cfd0e2114f51d9db476476.exe	69
PID 632 wrote to memory of 1112	632	59e2c9c861cfd0e2114f51d9db476476.exe	69
PID 632 wrote to memory of 1112	632	59e2c9c861cfd0e2114f51d9db476476.exe	69
PID 1112 wrote to memory of 2004	1112	fdBas.exe	74
PID 1112 wrote to memory of 2004	1112	fdBas.exe	74
PID 1112 wrote to memory of 2004	1112	fdBas.exe	74
PID 1112 wrote to memory of 2004	1112	fdBas.exe	74
PID 836 wrote to memory of 3828	836	vcabnv.exe	75
PID 836 wrote to memory of 3828	836	vcabnv.exe	75
PID 836 wrote to memory of 3828	836	vcabnv.exe	75
PID 836 wrote to memory of 3828	836	vcabnv.exe	75
PID 632 wrote to memory of 2776	632	59e2c9c861cfd0e2114f51d9db476476.exe	76
PID 632 wrote to memory of 2776	632	59e2c9c861cfd0e2114f51d9db476476.exe	76
PID 632 wrote to memory of 2776	632	59e2c9c861cfd0e2114f51d9db476476.exe	76
PID 632 wrote to memory of 2776	632	59e2c9c861cfd0e2114f51d9db476476.exe	76
PID 2776 wrote to memory of 2464	2776	59e2c9c861cfd0e2114f51d9db476476.exe	79
PID 2776 wrote to memory of 2464	2776	59e2c9c861cfd0e2114f51d9db476476.exe	79
PID 2776 wrote to memory of 2464	2776	59e2c9c861cfd0e2114f51d9db476476.exe	79
PID 2776 wrote to memory of 2756	2776	59e2c9c861cfd0e2114f51d9db476476.exe	80
PID 2776 wrote to memory of 2756	2776	59e2c9c861cfd0e2114f51d9db476476.exe	80
PID 2776 wrote to memory of 2756	2776	59e2c9c861cfd0e2114f51d9db476476.exe	80
PID 2756 wrote to memory of 3180	2756	cmd.exe	82
PID 2756 wrote to memory of 3180	2756	cmd.exe	82
PID 2756 wrote to memory of 3180	2756	cmd.exe	82
PID 2004 wrote to memory of 576	2004	fdBas.exe	84
PID 2004 wrote to memory of 576	2004	fdBas.exe	84
PID 2004 wrote to memory of 576	2004	fdBas.exe	84
PID 576 wrote to memory of 3756	576	cmd.exe	86
PID 576 wrote to memory of 3756	576	cmd.exe	86
PID 576 wrote to memory of 3756	576	cmd.exe	86
PID 2464 wrote to memory of 852	2464	grDBlKUDHJ.exe	89
PID 2464 wrote to memory of 852	2464	grDBlKUDHJ.exe	89
PID 2464 wrote to memory of 852	2464	grDBlKUDHJ.exe	89
PID 2464 wrote to memory of 852	2464	grDBlKUDHJ.exe	89
PID 2464 wrote to memory of 852	2464	grDBlKUDHJ.exe	89
PID 2464 wrote to memory of 2236	2464	grDBlKUDHJ.exe	91
PID 2464 wrote to memory of 2236	2464	grDBlKUDHJ.exe	91
PID 2464 wrote to memory of 2236	2464	grDBlKUDHJ.exe	91
PID 852 wrote to memory of 1432	852	grDBlKUDHJ.exe	90
PID 852 wrote to memory of 1432	852	grDBlKUDHJ.exe	90
PID 852 wrote to memory of 1432	852	grDBlKUDHJ.exe	90
PID 2236 wrote to memory of 1264	2236	cmd.exe	94
PID 2236 wrote to memory of 1264	2236	cmd.exe	94
PID 2236 wrote to memory of 1264	2236	cmd.exe	94
PID 1264 wrote to memory of 3728	1264	cmd.exe	96
PID 1264 wrote to memory of 3728	1264	cmd.exe	96
PID 1264 wrote to memory of 3728	1264	cmd.exe	96
PID 1264 wrote to memory of 4000	1264	cmd.exe	97
PID 1264 wrote to memory of 4000	1264	cmd.exe	97
PID 1264 wrote to memory of 4000	1264	cmd.exe	97
PID 1264 wrote to memory of 2752	1264	cmd.exe	98
PID 1264 wrote to memory of 2752	1264	cmd.exe	98
PID 1264 wrote to memory of 2752	1264	cmd.exe	98
PID 2464 wrote to memory of 192	2464	grDBlKUDHJ.exe	99
PID 2464 wrote to memory of 192	2464	grDBlKUDHJ.exe	99
PID 2464 wrote to memory of 192	2464	grDBlKUDHJ.exe	99
PID 192 wrote to memory of 4012	192	cmd.exe	101
PID 192 wrote to memory of 4012	192	cmd.exe	101
PID 192 wrote to memory of 4012	192	cmd.exe	101
PID 668 wrote to memory of 3936	668	sqlcmd.exe	104
PID 668 wrote to memory of 3936	668	sqlcmd.exe	104

C:\Users\Admin\AppData\Local\Temp\59e2c9c861cfd0e2114f51d9db476476.exe
"C:\Users\Admin\AppData\Local\Temp\59e2c9c861cfd0e2114f51d9db476476.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:632
- C:\Users\Admin\AppData\Local\Temp\vcabnv.exe
  "C:\Users\Admin\AppData\Local\Temp\vcabnv.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:836
- - C:\Users\Admin\AppData\Local\Temp\vcabnv.exe
    "C:\Users\Admin\AppData\Local\Temp\vcabnv.exe"
    3⤵
    - Executes dropped EXE
    PID:3828
- C:\Users\Admin\AppData\Local\Temp\fdBas.exe
  "C:\Users\Admin\AppData\Local\Temp\fdBas.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1112
- - C:\Users\Admin\AppData\Local\Temp\fdBas.exe
    "C:\Users\Admin\AppData\Local\Temp\fdBas.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Checks processor information in registry
    - Suspicious use of WriteProcessMemory
    PID:2004
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /pid 2004 & erase C:\Users\Admin\AppData\Local\Temp\fdBas.exe & RD /S /Q C:\\ProgramData\\814769996855320\\* & exit
      4⤵
      Suspicious use of WriteProcessMemory
      PID:576
    - - C:\Windows\SysWOW64\taskkill.exe
        
        taskkill /pid 2004
        5⤵
        Kills process with taskkill
        Suspicious use of AdjustPrivilegeToken
        
        PID:3756
- C:\Users\Admin\AppData\Local\Temp\59e2c9c861cfd0e2114f51d9db476476.exe
  "C:\Users\Admin\AppData\Local\Temp\59e2c9c861cfd0e2114f51d9db476476.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2776
- - C:\Users\Admin\AppData\Local\Temp\grDBlKUDHJ.exe
    "C:\Users\Admin\AppData\Local\Temp\grDBlKUDHJ.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:2464
  - - C:\Users\Admin\AppData\Local\Temp\grDBlKUDHJ.exe
      C:\Users\Admin\AppData\Local\Temp\grDBlKUDHJ.exe
      4⤵
      Executes dropped EXE
      Suspicious use of WriteProcessMemory
      PID:852
    - - C:\Windows\SysWOW64\schtasks.exe
        
        /C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\sqlcmd.exe"
        5⤵
        Creates scheduled task(s)
        
        PID:1432
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Public\Trast.bat" "
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2236
    - - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /K C:\Users\Public\UKO.bat
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:1264
      - C:\Windows\SysWOW64\reg.exe
        
        reg delete hkcu\Environment /v windir /f
        6⤵
        Modifies registry key
        
        PID:3728
      - C:\Windows\SysWOW64\reg.exe
        
        reg add hkcu\Environment /v windir /d "cmd /c start /min C:\Users\Public\KDECO.bat reg delete hkcu\Environment /v windir /f && REM "
        6⤵
        Modifies registry key
        
        PID:4000
      - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /Run /TN \Microsoft\Windows\DiskCleanup\SilentCleanup /I
        6⤵
        
        PID:2752
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Public\nest.bat" "
      4⤵
      Suspicious use of WriteProcessMemory
      PID:192
    - - C:\Windows\SysWOW64\reg.exe
        
        reg delete hkcu\Environment /v windir /f
        5⤵
        Modifies registry key
        
        PID:4012
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\59e2c9c861cfd0e2114f51d9db476476.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2756
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /T 10 /NOBREAK
      4⤵
      Delays execution with timeout.exe
      PID:3180

C:\Users\Admin\AppData\Roaming\Microsoft\Network\sqlcmd.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Network\sqlcmd.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:668
- C:\Users\Admin\AppData\Roaming\Microsoft\Network\sqlcmd.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Network\sqlcmd.exe
  2⤵
  - Executes dropped EXE
  PID:3936
- - C:\Windows\SysWOW64\schtasks.exe
    /C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\sqlcmd.exe"
    3⤵
    - Creates scheduled task(s)
    PID:3136

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

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/632-116-0x0000000000500000-0x000000000064A000-memory.dmp

Download

memory/668-180-0x0000000000610000-0x0000000000611000-memory.dmp

Download

memory/836-126-0x0000000000440000-0x00000000004EE000-memory.dmp

Download

memory/836-137-0x0000000000440000-0x000000000058A000-memory.dmp

Download

memory/852-174-0x0000000000400000-0x0000000000405000-memory.dmp

Download

memory/852-163-0x0000000000400000-0x0000000000405000-memory.dmp

Download

memory/1112-128-0x00000000005B0000-0x00000000005B1000-memory.dmp

Download

memory/1112-131-0x00000000005C0000-0x00000000005C7000-memory.dmp

Download

memory/2004-133-0x00000000004A0000-0x00000000005EA000-memory.dmp

Download

memory/2004-132-0x0000000000400000-0x0000000000434000-memory.dmp

Download

memory/2464-153-0x00000000020E0000-0x00000000020E1000-memory.dmp

Download

memory/2776-141-0x0000000000600000-0x0000000000601000-memory.dmp

Download

memory/2776-140-0x0000000000400000-0x0000000000493000-memory.dmp

Download

memory/3828-139-0x0000000000430000-0x000000000057A000-memory.dmp

Download

memory/3828-138-0x0000000000400000-0x0000000000420000-memory.dmp

Download

Analysis

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General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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