azorult | 46dc49be65d7165e2a6009854a4f27f0088230199e61e0555cb1bd266535874a

Analysis

max time kernel
149s
max time network
167s
platform
windows7_x64
resource
win7
submitted
11-08-2020 12:30

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General

Target

foo/aa3b51bd50bcc98f763cffcf7f907152.exe

Score

10^/10

azorult infostealer persistence trojan

Malware Config

Signatures

Azorult
An information stealer that was first discovered in 2016, targeting browsing history and passwords.
trojan infostealer azorult
Executes dropped EXE 1 IoCs

Processes:

Sulphurating8.exe

pid process

284 Sulphurating8.exe
Loads dropped DLL 2 IoCs

Processes:

aa3b51bd50bcc98f763cffcf7f907152.exe

pid process

1560 aa3b51bd50bcc98f763cffcf7f907152.exe
1560 aa3b51bd50bcc98f763cffcf7f907152.exe

pid	process
284	Sulphurating8.exe

pid	process
1560	aa3b51bd50bcc98f763cffcf7f907152.exe
1560	aa3b51bd50bcc98f763cffcf7f907152.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

mshta.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Run\Kamelen5 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Sulphurating8.exe"	mshta.exe
Key created	\REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Run	mshta.exe

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

System Information Discovery
T1082
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

aa3b51bd50bcc98f763cffcf7f907152.exeSulphurating8.exe

pid process

1560 aa3b51bd50bcc98f763cffcf7f907152.exe
284 Sulphurating8.exe
Suspicious use of UnmapMainImage 1 IoCs

Processes:

Sulphurating8.exe

pid process

284 Sulphurating8.exe

pid	process
1560	aa3b51bd50bcc98f763cffcf7f907152.exe
284	Sulphurating8.exe

pid	process
284	Sulphurating8.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

aa3b51bd50bcc98f763cffcf7f907152.exe

description	pid	process	target process
PID 1560 wrote to memory of 1616	1560	aa3b51bd50bcc98f763cffcf7f907152.exe	mshta.exe
PID 1560 wrote to memory of 1616	1560	aa3b51bd50bcc98f763cffcf7f907152.exe	mshta.exe
PID 1560 wrote to memory of 1616	1560	aa3b51bd50bcc98f763cffcf7f907152.exe	mshta.exe
PID 1560 wrote to memory of 1616	1560	aa3b51bd50bcc98f763cffcf7f907152.exe	mshta.exe
PID 1560 wrote to memory of 284	1560	aa3b51bd50bcc98f763cffcf7f907152.exe	Sulphurating8.exe
PID 1560 wrote to memory of 284	1560	aa3b51bd50bcc98f763cffcf7f907152.exe	Sulphurating8.exe
PID 1560 wrote to memory of 284	1560	aa3b51bd50bcc98f763cffcf7f907152.exe	Sulphurating8.exe
PID 1560 wrote to memory of 284	1560	aa3b51bd50bcc98f763cffcf7f907152.exe	Sulphurating8.exe

C:\Users\Admin\AppData\Local\Temp\foo\aa3b51bd50bcc98f763cffcf7f907152.exe
"C:\Users\Admin\AppData\Local\Temp\foo\aa3b51bd50bcc98f763cffcf7f907152.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1560
- C:\Windows\SysWOW64\mshta.exe
  "C:\Windows\System32\mshta.exe" vbscript:Execute(" str1 = ""WScript.Shell"" : str2 = ""Set WshShell = CrXXteObject(str1)"" : str2 = Replace(str2,""XX"",""ea"") : execute str2 : myKey = ""HKCU\Software\Microsoft\Windows\CurrentVersion\Run\Kamelen5"" : WshShell.RegWrite myKey,""C:\Users\Admin\AppData\Local\Temp\Sulphurating8.exe"",""REG_SZ"" : window.close")
  2⤵
  - Adds Run key to start application
  PID:1616
- C:\Users\Admin\AppData\Local\Temp\Sulphurating8.exe
  "C:\Users\Admin\AppData\Local\Temp\Sulphurating8.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of UnmapMainImage
  PID:284

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\Sulphurating8.exe

MD5
d8f55800147c6068eeb61038f34fc97a

SHA1
d16e0d8e71d07fe7c56341a6b0c30ccd144e3b76

SHA256
e03d563cbb250d3ea2fe6f153d9852e22914e5454945d074bc9e9020c68eaa9f

SHA512
b0c0d4fde6190b79f7b13072d199f60330aa9389cb04632fd982b046bdf13e43185ecd458e51bccdce87b130c3902c76768a69aaad659153aaa15ea75dac19a4

Download Submit
\Users\Admin\AppData\Local\Temp\Sulphurating8.exe

MD5
d8f55800147c6068eeb61038f34fc97a

SHA1
d16e0d8e71d07fe7c56341a6b0c30ccd144e3b76

SHA256
e03d563cbb250d3ea2fe6f153d9852e22914e5454945d074bc9e9020c68eaa9f

SHA512
b0c0d4fde6190b79f7b13072d199f60330aa9389cb04632fd982b046bdf13e43185ecd458e51bccdce87b130c3902c76768a69aaad659153aaa15ea75dac19a4

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\Users\Admin\AppData\Local\Temp\Sulphurating8.exe

MD5
d8f55800147c6068eeb61038f34fc97a

SHA1
d16e0d8e71d07fe7c56341a6b0c30ccd144e3b76

SHA256
e03d563cbb250d3ea2fe6f153d9852e22914e5454945d074bc9e9020c68eaa9f

SHA512
b0c0d4fde6190b79f7b13072d199f60330aa9389cb04632fd982b046bdf13e43185ecd458e51bccdce87b130c3902c76768a69aaad659153aaa15ea75dac19a4

Download Submit
memory/284-5-0x0000000000000000-mapping.dmp

Download
memory/1616-2-0x0000000000000000-mapping.dmp

Download
memory/1708-9-0x000007FEF7C00000-0x000007FEF7E7A000-memory.dmp

Filesize
2.5MB

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