azorult | a50376b1375f041a534a74ea0cecd6429b4e26747059a4a4c72ef91bb04d7080

Resubmissions

09/08/2024, 17:04

240809-vlrnxstalk10

09/08/2024, 09:10

240809-k41dnsyfjm10

Analysis

max time kernel
222s
max time network
274s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
09/08/2024, 17:04

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General

Target
ACCEPT_014STSY529093.PDF.exe
Size 108KB
Sample240809-vlrnxstalk
SHA256 a50376b1375f041a534a74ea0cecd6429b4e26747059a4a4c72ef91bb04d7080
MD5 996817a2a2c9afe0a459bd0cc9a68d74
SHA1 23770e473ea88638874473b631602f437a799760
SHA512 24a7cdcaf49b9d565da4df977b084f0b94c82f33f1dd80621e649040baa85565aef9cb147036674ec57f3586e3038cdafacbdb6724e61a651c168359deda1df1
SSDEEP 3072:6dS3TaTBi6I/TPDe3R2/8fDvDySHzDed:65i7TSB2abGSH
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

azorult collection credential_access discovery infostealer spyware stealer trojan

Malware Config

Extracted

Family

azorult

http://l0h5.shop/CM341/index.php

Signatures

Azorult
An information stealer that was first discovered in 2016, targeting browsing history and passwords.
trojan infostealer azorult
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Loads dropped DLL 4 IoCs

pid	Process
5040	MSBuild.exe
5040	MSBuild.exe
5040	MSBuild.exe
5040	MSBuild.exe

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
T1552.001
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	MSBuild.exe

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1544 set thread context of 5040	1544	ACCEPT_014STSY529093.PDF.exe	85

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe

Checks processor information in registry 2 TTPs 2 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	MSBuild.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MSBuild.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2728	timeout.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5040	MSBuild.exe
5040	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1544	ACCEPT_014STSY529093.PDF.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1544 wrote to memory of 5040	1544	ACCEPT_014STSY529093.PDF.exe	85
PID 1544 wrote to memory of 5040	1544	ACCEPT_014STSY529093.PDF.exe	85
PID 1544 wrote to memory of 5040	1544	ACCEPT_014STSY529093.PDF.exe	85
PID 1544 wrote to memory of 5040	1544	ACCEPT_014STSY529093.PDF.exe	85
PID 1544 wrote to memory of 5040	1544	ACCEPT_014STSY529093.PDF.exe	85
PID 1544 wrote to memory of 5040	1544	ACCEPT_014STSY529093.PDF.exe	85
PID 1544 wrote to memory of 5040	1544	ACCEPT_014STSY529093.PDF.exe	85
PID 1544 wrote to memory of 5040	1544	ACCEPT_014STSY529093.PDF.exe	85
PID 1544 wrote to memory of 5040	1544	ACCEPT_014STSY529093.PDF.exe	85
PID 5040 wrote to memory of 744	5040	MSBuild.exe	86
PID 5040 wrote to memory of 744	5040	MSBuild.exe	86
PID 5040 wrote to memory of 744	5040	MSBuild.exe	86
PID 744 wrote to memory of 2728	744	cmd.exe	88
PID 744 wrote to memory of 2728	744	cmd.exe	88
PID 744 wrote to memory of 2728	744	cmd.exe	88
PID 1988 wrote to memory of 1468	1988	cmd.exe	112
PID 1988 wrote to memory of 1468	1988	cmd.exe	112
PID 1988 wrote to memory of 4776	1988	cmd.exe	113
PID 1988 wrote to memory of 4776	1988	cmd.exe	113
PID 1988 wrote to memory of 5072	1988	cmd.exe	114
PID 1988 wrote to memory of 5072	1988	cmd.exe	114
PID 1988 wrote to memory of 2648	1988	cmd.exe	115
PID 1988 wrote to memory of 2648	1988	cmd.exe	115

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\ACCEPT_014STSY529093.PDF.exe
"C:\Users\Admin\AppData\Local\Temp\ACCEPT_014STSY529093.PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1544
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - Loads dropped DLL
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:5040
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c C:\Windows\system32\timeout.exe 3 & del "MSBuild.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:744
  - - C:\Windows\SysWOW64\timeout.exe
      C:\Windows\system32\timeout.exe 3
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:2728

C:\Windows\system32\cmd.exe
"C:\Windows\system32\cmd.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1988
- \??\c:\Windows\System32\SystemSettingsAdminFlows.exe
  systemsettingsadminflows Defender DisableEnhancedNotifications 1
  2⤵
  PID:1468
- \??\c:\Windows\System32\SystemSettingsAdminFlows.exe
  systemsettingsadminflows Defender SubmitSamplesConsent 0
  2⤵
  PID:4776
- \??\c:\Windows\System32\SystemSettingsAdminFlows.exe
  systemsettingsadminflows Defender SpynetReporting 0
  2⤵
  PID:5072
- \??\c:\Windows\System32\SystemSettingsAdminFlows.exe
  systemsettingsadminflows Defender Defender RTP 1
  2⤵
  PID:2648

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

mozglue.dll

Path C:\Users\Admin\AppData\Local\Temp\ACF0987B\mozglue.dll
Size 135KB
SHA256 830533bb569594ec2f7c07896b90225006b90a9af108f49d6fb6bebd02428b2d
MD5 9e682f1eb98a9d41468fc3e50f907635
SHA1 85e0ceca36f657ddf6547aa0744f0855a27527ee
SHA512 230230722d61ac1089fabf3f2decfa04f9296498f8e2a2a49b1527797dca67b5a11ab8656f04087acadf873fa8976400d57c77c404eba4aff89d92b9986f32ed
SSDEEP 3072:8Oqe98Ea4usvd5jm6V0InXx/CHzGYC6NccMmxK3atIYHD2JJJsPyimY4kQkE:Vqe98Evua5Sm0ux/5YC6NccMmtXHD2JR
MD5 SHA1 SHA512 SSDEEP

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msvcp140.dll

Path C:\Users\Admin\AppData\Local\Temp\ACF0987B\msvcp140.dll
Size 429KB
SHA256 334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4
MD5 109f0f02fd37c84bfc7508d4227d7ed5
SHA1 ef7420141bb15ac334d3964082361a460bfdb975
SHA512 46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39
SSDEEP 12288:Mlp4PwrPTlZ+/wKzY+dM+gjZ+UGhUgiW6QR7t5s03Ooc8dHkC2es9oV:Mlp4PePozGMA03Ooc8dHkC2ecI
MD5 SHA1 SHA512 SSDEEP

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nss3.dll

Path C:\Users\Admin\AppData\Local\Temp\ACF0987B\nss3.dll
Size 1.2MB
SHA256 f0e6210d4a0d48c7908d8d1c270449c91eb4523e312a61256833bfeaf699abfb
MD5 556ea09421a0f74d31c4c0a89a70dc23
SHA1 f739ba9b548ee64b13eb434a3130406d23f836e3
SHA512 2481fc80dffa8922569552c3c3ebaef8d0341b80427447a14b291ec39ea62ab9c05a75e85eef5ea7f857488cab1463c18586f9b076e2958c5a314e459045ede2
SSDEEP 24576:XDI7I4/FeoJQuQ3IhXtHfjyqgJ0BnPQAib7/12bg2JSna5xfg0867U4MSpu731hn:uQ3YX5jyqgynPkbd24VwMSpu7Fhn
MD5 SHA1 SHA512 SSDEEP

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vcruntime140.dll

Path C:\Users\Admin\AppData\Local\Temp\ACF0987B\vcruntime140.dll
Size 81KB
SHA256 c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d
MD5 7587bf9cb4147022cd5681b015183046
SHA1 f2106306a8f6f0da5afb7fc765cfa0757ad5a628
SHA512 0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f
SSDEEP 1536:AQXQNgAuCDeHFtg3uYQkDqiVsv39niI35kU2yecbVKHHwhbfugbZyk:AQXQNVDeHFtO5d/A39ie6yecbVKHHwJF
MD5 SHA1 SHA512 SSDEEP

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memory/1544-3-0x0000000001650000-0x000000000165A000-memory.dmp

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memory/1544-8-0x00007FF9FE950000-0x00007FF9FF411000-memory.dmp

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memory/1544-1-0x00007FF9FE953000-0x00007FF9FE955000-memory.dmp

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memory/1544-2-0x00007FF9FE950000-0x00007FF9FF411000-memory.dmp

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memory/1544-0-0x0000000000D80000-0x0000000000DA0000-memory.dmp

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memory/5040-7-0x0000000000400000-0x0000000000420000-memory.dmp

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memory/5040-9-0x0000000000400000-0x0000000000420000-memory.dmp

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memory/5040-4-0x0000000000400000-0x0000000000420000-memory.dmp

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memory/5040-117-0x0000000000400000-0x0000000000420000-memory.dmp

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