azorult | 22f28d25bf6b26e0d79836e03efe49e325a6eea6b06dfea97a03c62a578f7fb1

Analysis

max time kernel
28s
max time network
107s
platform
windows10_x64
resource
win10v20201028
submitted
05-11-2020 15:37

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General

Target

PO.xls............................................................................exe
Size

1.9MB
MD5

a6c9c1928c989b8f9197f438b672e2cc
SHA1

76408657d60ea841f68cb78d37793e62b721014c
SHA256

22f28d25bf6b26e0d79836e03efe49e325a6eea6b06dfea97a03c62a578f7fb1
SHA512

b9d4e00975bcee7f08735ec987410cb5be4a41bfed7aff4f79b936e28e827b9a20755dbc46a691267111db33a6dcb148d132580dd8170d3ef2e0cda80b7bc2f5

Score

10^/10

azorult discovery evasion infostealer spyware trojan

Malware Config

Extracted

Family

azorult

http://qdrenfa.com/~zadmin/lk/a/az/ch/index.php

Signatures

Azorult
An information stealer that was first discovered in 2016, targeting browsing history and passwords.
trojan infostealer azorult
Turns off Windows Defender SpyNet reporting 2 TTPs
evasion

Disabling Security Tools
T1089

Modify Registry
T1112
Windows security bypass 2 TTPs
evasion trojan

Disabling Security Tools
T1089

Modify Registry
T1112

Loads dropped DLL 4 IoCs

Processes:

PO.xls............................................................................exe

pid	process
1376	PO.xls............................................................................exe
1376	PO.xls............................................................................exe
1376	PO.xls............................................................................exe
1376	PO.xls............................................................................exe

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

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

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

Data from Local System
T1005

Credentials in Files
T1081

Windows security modification 2 TTPs 10 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

PO.xls............................................................................exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Real-Time Protection	PO.xls............................................................................exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	PO.xls............................................................................exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	PO.xls............................................................................exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Exclusions\Paths	PO.xls............................................................................exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Exclusions	PO.xls............................................................................exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\PO.xls............................................................................exe = "0"	PO.xls............................................................................exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Spynet	PO.xls............................................................................exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Spynet\SpyNetReporting = "0"	PO.xls............................................................................exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Spynet\SubmitSamplesConsent = "0"	PO.xls............................................................................exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	PO.xls............................................................................exe

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

JavaScript code in executable 1 IoCs

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\CE87CE80\nss3.dll	js

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Suspicious use of NtSetInformationThreadHideFromDebugger 15 IoCs

Processes:

PO.xls............................................................................exe

pid	process
4764	PO.xls............................................................................exe
4764	PO.xls............................................................................exe
4764	PO.xls............................................................................exe
4764	PO.xls............................................................................exe
4764	PO.xls............................................................................exe
4764	PO.xls............................................................................exe
4764	PO.xls............................................................................exe
4764	PO.xls............................................................................exe
4764	PO.xls............................................................................exe
4764	PO.xls............................................................................exe
4764	PO.xls............................................................................exe
4764	PO.xls............................................................................exe
4764	PO.xls............................................................................exe
4764	PO.xls............................................................................exe
4764	PO.xls............................................................................exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

PO.xls............................................................................exe

description	pid	process	target process
PID 4764 set thread context of 1376	4764	PO.xls............................................................................exe	PO.xls............................................................................exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1900 4764 WerFault.exe PO.xls............................................................................exe

pid	pid_target	process	target process
1900	4764	WerFault.exe	PO.xls............................................................................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

Processes:

PO.xls............................................................................exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	PO.xls............................................................................exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	PO.xls............................................................................exe

Delays execution with timeout.exe 2 IoCs
evasion

Processes:

timeout.exetimeout.exe

pid process

3932 timeout.exe
3336 timeout.exe

pid	process
3932	timeout.exe
3336	timeout.exe

Suspicious behavior: EnumeratesProcesses 23 IoCs

Processes:

powershell.exePO.xls............................................................................exeWerFault.exePO.xls............................................................................exe

pid	process
552	powershell.exe
552	powershell.exe
4764	PO.xls............................................................................exe
4764	PO.xls............................................................................exe
4764	PO.xls............................................................................exe
552	powershell.exe
1900	WerFault.exe
1900	WerFault.exe
1900	WerFault.exe
1900	WerFault.exe
1900	WerFault.exe
1900	WerFault.exe
1900	WerFault.exe
1900	WerFault.exe
1900	WerFault.exe
1900	WerFault.exe
1900	WerFault.exe
1900	WerFault.exe
1900	WerFault.exe
1900	WerFault.exe
1900	WerFault.exe
1376	PO.xls............................................................................exe
1376	PO.xls............................................................................exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

PO.xls............................................................................exepowershell.exeWerFault.exe

description	pid	process
Token: SeDebugPrivilege	4764	PO.xls............................................................................exe
Token: SeDebugPrivilege	552	powershell.exe
Token: SeRestorePrivilege	1900	WerFault.exe
Token: SeBackupPrivilege	1900	WerFault.exe
Token: SeDebugPrivilege	1900	WerFault.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

PO.xls............................................................................exePO.xls............................................................................execmd.exe

description	pid	process	target process
PID 4764 wrote to memory of 3932	4764	PO.xls............................................................................exe	timeout.exe
PID 4764 wrote to memory of 3932	4764	PO.xls............................................................................exe	timeout.exe
PID 4764 wrote to memory of 3932	4764	PO.xls............................................................................exe	timeout.exe
PID 4764 wrote to memory of 552	4764	PO.xls............................................................................exe	powershell.exe
PID 4764 wrote to memory of 552	4764	PO.xls............................................................................exe	powershell.exe
PID 4764 wrote to memory of 552	4764	PO.xls............................................................................exe	powershell.exe
PID 4764 wrote to memory of 1376	4764	PO.xls............................................................................exe	PO.xls............................................................................exe
PID 4764 wrote to memory of 1376	4764	PO.xls............................................................................exe	PO.xls............................................................................exe
PID 4764 wrote to memory of 1376	4764	PO.xls............................................................................exe	PO.xls............................................................................exe
PID 4764 wrote to memory of 1376	4764	PO.xls............................................................................exe	PO.xls............................................................................exe
PID 4764 wrote to memory of 1376	4764	PO.xls............................................................................exe	PO.xls............................................................................exe
PID 4764 wrote to memory of 1376	4764	PO.xls............................................................................exe	PO.xls............................................................................exe
PID 4764 wrote to memory of 1376	4764	PO.xls............................................................................exe	PO.xls............................................................................exe
PID 4764 wrote to memory of 1376	4764	PO.xls............................................................................exe	PO.xls............................................................................exe
PID 4764 wrote to memory of 1376	4764	PO.xls............................................................................exe	PO.xls............................................................................exe
PID 4764 wrote to memory of 1376	4764	PO.xls............................................................................exe	PO.xls............................................................................exe
PID 1376 wrote to memory of 4424	1376	PO.xls............................................................................exe	cmd.exe
PID 1376 wrote to memory of 4424	1376	PO.xls............................................................................exe	cmd.exe
PID 1376 wrote to memory of 4424	1376	PO.xls............................................................................exe	cmd.exe
PID 4424 wrote to memory of 3336	4424	cmd.exe	timeout.exe
PID 4424 wrote to memory of 3336	4424	cmd.exe	timeout.exe
PID 4424 wrote to memory of 3336	4424	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\PO.xls............................................................................exe
"C:\Users\Admin\AppData\Local\Temp\PO.xls............................................................................exe"
1⤵
- Windows security modification
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4764

C:\Windows\SysWOW64\timeout.exe
timeout 4
2⤵
- Delays execution with timeout.exe
PID:3932

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\PO.xls............................................................................exe" -Force
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:552

C:\Users\Admin\AppData\Local\Temp\PO.xls............................................................................exe
"C:\Users\Admin\AppData\Local\Temp\PO.xls............................................................................exe"
2⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1376

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c C:\Windows\system32\timeout.exe 3 & del "PO.xls............................................................................exe"
3⤵
- Suspicious use of WriteProcessMemory
PID:4424

C:\Windows\SysWOW64\timeout.exe
C:\Windows\system32\timeout.exe 3
4⤵
- Delays execution with timeout.exe
PID:3336

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4764 -s 2060
2⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1900

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Disabling Security Tools

T1089

Modify Registry

T1112

Web Service

T1102

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

Web Service

T1102

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\CE87CE80\mozglue.dll
MD5
9e682f1eb98a9d41468fc3e50f907635

SHA1
85e0ceca36f657ddf6547aa0744f0855a27527ee

SHA256
830533bb569594ec2f7c07896b90225006b90a9af108f49d6fb6bebd02428b2d

SHA512
230230722d61ac1089fabf3f2decfa04f9296498f8e2a2a49b1527797dca67b5a11ab8656f04087acadf873fa8976400d57c77c404eba4aff89d92b9986f32ed

Download Submit
\Users\Admin\AppData\Local\Temp\CE87CE80\msvcp140.dll
MD5
109f0f02fd37c84bfc7508d4227d7ed5

SHA1
ef7420141bb15ac334d3964082361a460bfdb975

SHA256
334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

SHA512
46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

Download Submit
\Users\Admin\AppData\Local\Temp\CE87CE80\nss3.dll
MD5
556ea09421a0f74d31c4c0a89a70dc23

SHA1
f739ba9b548ee64b13eb434a3130406d23f836e3

SHA256
f0e6210d4a0d48c7908d8d1c270449c91eb4523e312a61256833bfeaf699abfb

SHA512
2481fc80dffa8922569552c3c3ebaef8d0341b80427447a14b291ec39ea62ab9c05a75e85eef5ea7f857488cab1463c18586f9b076e2958c5a314e459045ede2

Download Submit
\Users\Admin\AppData\Local\Temp\CE87CE80\vcruntime140.dll
MD5
7587bf9cb4147022cd5681b015183046

SHA1
f2106306a8f6f0da5afb7fc765cfa0757ad5a628

SHA256
c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

SHA512
0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

Download Submit
memory/552-34-0x0000000009B00000-0x0000000009B01000-memory.dmp

Filesize
4KB

Download
memory/552-36-0x0000000009C80000-0x0000000009C81000-memory.dmp

Filesize
4KB

Download
memory/552-7-0x0000000000000000-mapping.dmp

Download
memory/552-8-0x00000000732D0000-0x00000000739BE000-memory.dmp

Filesize
6.9MB

Download
memory/552-9-0x00000000072B0000-0x00000000072B1000-memory.dmp

Filesize
4KB

Download
memory/552-10-0x0000000007AD0000-0x0000000007AD1000-memory.dmp

Filesize
4KB

Download
memory/552-11-0x0000000007960000-0x0000000007961000-memory.dmp

Filesize
4KB

Download
memory/552-12-0x0000000007A00000-0x0000000007A01000-memory.dmp

Filesize
4KB

Download
memory/552-13-0x0000000008350000-0x0000000008351000-memory.dmp

Filesize
4KB

Download
memory/552-14-0x00000000083C0000-0x00000000083C1000-memory.dmp

Filesize
4KB

Download
memory/552-15-0x0000000008130000-0x0000000008131000-memory.dmp

Filesize
4KB

Download
memory/552-16-0x0000000008C30000-0x0000000008C31000-memory.dmp

Filesize
4KB

Download
memory/552-38-0x0000000009C60000-0x0000000009C61000-memory.dmp

Filesize
4KB

Download
memory/552-35-0x0000000009D20000-0x0000000009D21000-memory.dmp

Filesize
4KB

Download
memory/552-33-0x0000000009790000-0x0000000009791000-memory.dmp

Filesize
4KB

Download
memory/552-26-0x00000000099C0000-0x00000000099F3000-memory.dmp

Filesize
204KB

Download
memory/552-22-0x00000000089E0000-0x00000000089E1000-memory.dmp

Filesize
4KB

Download
memory/1376-19-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1376-18-0x000000000041A684-mapping.dmp

Download
memory/1376-17-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1900-20-0x00000000042D0000-0x00000000042D1000-memory.dmp

Filesize
4KB

Download
memory/1900-24-0x0000000004910000-0x0000000004911000-memory.dmp

Filesize
4KB

Download
memory/3336-45-0x0000000000000000-mapping.dmp

Download
memory/3932-4-0x0000000000000000-mapping.dmp

Download
memory/4424-44-0x0000000000000000-mapping.dmp

Download
memory/4764-0-0x00000000732D0000-0x00000000739BE000-memory.dmp

Filesize
6.9MB

Download
memory/4764-3-0x0000000004DD0000-0x0000000004DD1000-memory.dmp

Filesize
4KB

Download
memory/4764-1-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/4764-5-0x0000000005FA0000-0x0000000006002000-memory.dmp

Filesize
392KB

Download
memory/4764-6-0x0000000006570000-0x0000000006571000-memory.dmp

Filesize
4KB

Download