azorult | 55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5

General

Target

55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5.exe
Size

721KB
MD5

23d9e79ffaa64a3919b4184bce784b9a
SHA1

9e147a0274503096b7af286f25b4487d0a769636
SHA256

55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5
SHA512

f91bf13ebc92646b68ece5d197c67a76a01208f6c33ef619c1c6eadee065911dd7f7df81ee2fd433ee9253029d86c8999d916224ddf591c259651fcf26df9281
SSDEEP

12288:DquErHF6xC9D6DmR1J98w4oknqOKw/zTd1RVaHvymUi6rjXrm62iU952aLovi75K:arl6kD68JmloO7TdNaPymUi63i62xHLu

Score

10^/10

azorult discovery infostealer trojan upx

Malware Config

Extracted

Family

azorult

C2

http://185.79.156.23/j0n0/index.php

Signatures

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\Control Panel\International\Geo\Nation	55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/5044-0-0x00000000008E0000-0x0000000000A74000-memory.dmp	upx
behavioral2/memory/5044-12-0x00000000008E0000-0x0000000000A74000-memory.dmp	upx

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/5044-12-0x00000000008E0000-0x0000000000A74000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5044 set thread context of 4580	5044	55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5.exe	85

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4100	4580	WerFault.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	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
5020	timeout.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
5044	55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5.exe
5044	55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5.exe
5044	55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
5044	55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5.exe
5044	55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5.exe
5044	55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
4580	RegAsm.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 5044 wrote to memory of 4580	5044	55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5.exe	85
PID 5044 wrote to memory of 4580	5044	55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5.exe	85
PID 5044 wrote to memory of 4580	5044	55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5.exe	85
PID 5044 wrote to memory of 4580	5044	55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5.exe	85
PID 5044 wrote to memory of 4580	5044	55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5.exe	85
PID 5044 wrote to memory of 2328	5044	55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5.exe	90
PID 5044 wrote to memory of 2328	5044	55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5.exe	90
PID 5044 wrote to memory of 2328	5044	55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5.exe	90
PID 2328 wrote to memory of 5020	2328	cmd.exe	93
PID 2328 wrote to memory of 5020	2328	cmd.exe	93
PID 2328 wrote to memory of 5020	2328	cmd.exe	93

C:\Users\Admin\AppData\Local\Temp\55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5.exe
"C:\Users\Admin\AppData\Local\Temp\55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:5044
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
  2⤵
  - Suspicious use of UnmapMainImage
  PID:4580
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4580 -s 12
    3⤵
    - Program crash
    PID:4100
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c TimeOut 1 & Del /F "C:\Users\Admin\AppData\Local\Temp\55305b6338fc6b5618251972a280ed043369e2ec494012a12b9e192b1f8e3ec5.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2328
- - C:\Windows\SysWOW64\timeout.exe
    TimeOut 1
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:5020

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4580 -ip 4580
1⤵
PID:4740

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4580-4-0x00000000005D0000-0x00000000005F0000-memory.dmp

Filesize
128KB

Download
memory/5044-0-0x00000000008E0000-0x0000000000A74000-memory.dmp

Filesize
1.6MB

Download
memory/5044-3-0x0000000000B00000-0x0000000000B01000-memory.dmp

Filesize
4KB

Download
memory/5044-12-0x00000000008E0000-0x0000000000A74000-memory.dmp

Filesize
1.6MB

Download

Analysis

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