azorult | f4b43bbc941d68dd3f835a9fc776c5b3e4e0e7442836bcd845d31c87acf64be7

Analysis

max time kernel
10s
max time network
144s
platform
windows10_x64
resource
win10-en-20210920
submitted
29/09/2021, 07:28

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General

Target
f4b43bbc941d68dd3f835a9fc776c5b3e4e0e7442836bcd845d31c87acf64be7.exe
Size 2.0MB
Sample210929-jarn1aebhl
SHA256 f4b43bbc941d68dd3f835a9fc776c5b3e4e0e7442836bcd845d31c87acf64be7
MD5 90351f12913209fcc69964dd24a0eb38
SHA1 7e6b66fa9d4552c63360a9acfec96ea5f5a0c950
SHA512 8a59a4b6b89f1185401397d9f3331387d7762dd9183da020e58be9ef5522e42d991e08c171ec0dda6add67bb6e8643b56c928ff0951c0aa61e9583c67029640a
MD5 SHA1 SHA512

Score

10^/10

azorult quasar ebayprofiles infostealer spyware trojan

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

EbayProfiles

5.8.88.191:443
sockartek.icu:443

Mutex

QSR_MUTEX_0kBRNrRz5TDLEQouI0

Attributes

encryption_key
MWhG6wsClMX8aJM2CVXT
install_name
winsock.exe
log_directory
Logs
reconnect_delay
3000
startup_key
win defender run
subdirectory
SubDir

Extracted

Family

azorult

http://0x21.in:8000/_az/

Signatures

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

Quasar Payload 10 IoCs

resource	yara_rule
behavioral2/files/0x000400000001abe6-119.dat	family_quasar
behavioral2/files/0x000400000001abe6-120.dat	family_quasar
behavioral2/files/0x000500000001abeb-141.dat	family_quasar
behavioral2/files/0x000500000001abeb-142.dat	family_quasar
behavioral2/files/0x000400000001abe8-157.dat	family_quasar
behavioral2/files/0x000400000001abe8-158.dat	family_quasar
behavioral2/files/0x000400000001abe6-163.dat	family_quasar
behavioral2/files/0x000400000001abe6-164.dat	family_quasar
behavioral2/files/0x000500000001abeb-174.dat	family_quasar
behavioral2/files/0x000400000001abe8-186.dat	family_quasar

Quasar RAT
Quasar is an open source Remote Access Tool.
trojan spyware quasar

Executes dropped EXE 3 IoCs

pid	Process
2696	vnc.exe
3112	windef.exe
3580	winsock.exe

Enumerates connected drives 3 TTPs 24 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\i:	f4b43bbc941d68dd3f835a9fc776c5b3e4e0e7442836bcd845d31c87acf64be7.exe
File opened (read-only)	\??\k:	f4b43bbc941d68dd3f835a9fc776c5b3e4e0e7442836bcd845d31c87acf64be7.exe
File opened (read-only)	\??\n:	f4b43bbc941d68dd3f835a9fc776c5b3e4e0e7442836bcd845d31c87acf64be7.exe
File opened (read-only)	\??\p:	f4b43bbc941d68dd3f835a9fc776c5b3e4e0e7442836bcd845d31c87acf64be7.exe
File opened (read-only)	\??\t:	f4b43bbc941d68dd3f835a9fc776c5b3e4e0e7442836bcd845d31c87acf64be7.exe
File opened (read-only)	\??\g:	f4b43bbc941d68dd3f835a9fc776c5b3e4e0e7442836bcd845d31c87acf64be7.exe
File opened (read-only)	\??\j:	f4b43bbc941d68dd3f835a9fc776c5b3e4e0e7442836bcd845d31c87acf64be7.exe
File opened (read-only)	\??\q:	f4b43bbc941d68dd3f835a9fc776c5b3e4e0e7442836bcd845d31c87acf64be7.exe
File opened (read-only)	\??\r:	f4b43bbc941d68dd3f835a9fc776c5b3e4e0e7442836bcd845d31c87acf64be7.exe
File opened (read-only)	\??\u:	f4b43bbc941d68dd3f835a9fc776c5b3e4e0e7442836bcd845d31c87acf64be7.exe
File opened (read-only)	\??\w:	f4b43bbc941d68dd3f835a9fc776c5b3e4e0e7442836bcd845d31c87acf64be7.exe
File opened (read-only)	\??\y:	f4b43bbc941d68dd3f835a9fc776c5b3e4e0e7442836bcd845d31c87acf64be7.exe
File opened (read-only)	\??\z:	f4b43bbc941d68dd3f835a9fc776c5b3e4e0e7442836bcd845d31c87acf64be7.exe
File opened (read-only)	\??\f:	f4b43bbc941d68dd3f835a9fc776c5b3e4e0e7442836bcd845d31c87acf64be7.exe
File opened (read-only)	\??\l:	f4b43bbc941d68dd3f835a9fc776c5b3e4e0e7442836bcd845d31c87acf64be7.exe
File opened (read-only)	\??\m:	f4b43bbc941d68dd3f835a9fc776c5b3e4e0e7442836bcd845d31c87acf64be7.exe
File opened (read-only)	\??\o:	f4b43bbc941d68dd3f835a9fc776c5b3e4e0e7442836bcd845d31c87acf64be7.exe
File opened (read-only)	\??\v:	f4b43bbc941d68dd3f835a9fc776c5b3e4e0e7442836bcd845d31c87acf64be7.exe
File opened (read-only)	\??\x:	f4b43bbc941d68dd3f835a9fc776c5b3e4e0e7442836bcd845d31c87acf64be7.exe
File opened (read-only)	\??\a:	f4b43bbc941d68dd3f835a9fc776c5b3e4e0e7442836bcd845d31c87acf64be7.exe
File opened (read-only)	\??\b:	f4b43bbc941d68dd3f835a9fc776c5b3e4e0e7442836bcd845d31c87acf64be7.exe
File opened (read-only)	\??\e:	f4b43bbc941d68dd3f835a9fc776c5b3e4e0e7442836bcd845d31c87acf64be7.exe
File opened (read-only)	\??\h:	f4b43bbc941d68dd3f835a9fc776c5b3e4e0e7442836bcd845d31c87acf64be7.exe
File opened (read-only)	\??\s:	f4b43bbc941d68dd3f835a9fc776c5b3e4e0e7442836bcd845d31c87acf64be7.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	ip-api.com

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum	svchost.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum\0	svchost.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2396 set thread context of 3108	2396	f4b43bbc941d68dd3f835a9fc776c5b3e4e0e7442836bcd845d31c87acf64be7.exe	74
PID 2696 set thread context of 2632	2696	vnc.exe	72

autoit_exe 3 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/files/0x000400000001abe8-157.dat	autoit_exe
behavioral2/files/0x000400000001abe8-158.dat	autoit_exe
behavioral2/files/0x000400000001abe8-186.dat	autoit_exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2236	3580	WerFault.exe	80

Creates scheduled task(s) 1 TTPs 4 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
1252	schtasks.exe
904	schtasks.exe
1568	schtasks.exe
3684	schtasks.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2756	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2396	f4b43bbc941d68dd3f835a9fc776c5b3e4e0e7442836bcd845d31c87acf64be7.exe
2396	f4b43bbc941d68dd3f835a9fc776c5b3e4e0e7442836bcd845d31c87acf64be7.exe
2396	f4b43bbc941d68dd3f835a9fc776c5b3e4e0e7442836bcd845d31c87acf64be7.exe
2396	f4b43bbc941d68dd3f835a9fc776c5b3e4e0e7442836bcd845d31c87acf64be7.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2696	vnc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3112	windef.exe
Token: SeDebugPrivilege	3580	winsock.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3580	winsock.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2396 wrote to memory of 2696	2396	f4b43bbc941d68dd3f835a9fc776c5b3e4e0e7442836bcd845d31c87acf64be7.exe	70
PID 2396 wrote to memory of 2696	2396	f4b43bbc941d68dd3f835a9fc776c5b3e4e0e7442836bcd845d31c87acf64be7.exe	70
PID 2396 wrote to memory of 2696	2396	f4b43bbc941d68dd3f835a9fc776c5b3e4e0e7442836bcd845d31c87acf64be7.exe	70
PID 2396 wrote to memory of 3112	2396	f4b43bbc941d68dd3f835a9fc776c5b3e4e0e7442836bcd845d31c87acf64be7.exe	73
PID 2396 wrote to memory of 3112	2396	f4b43bbc941d68dd3f835a9fc776c5b3e4e0e7442836bcd845d31c87acf64be7.exe	73
PID 2396 wrote to memory of 3112	2396	f4b43bbc941d68dd3f835a9fc776c5b3e4e0e7442836bcd845d31c87acf64be7.exe	73
PID 2696 wrote to memory of 2632	2696	vnc.exe	72
PID 2696 wrote to memory of 2632	2696	vnc.exe	72
PID 2696 wrote to memory of 2632	2696	vnc.exe	72
PID 2396 wrote to memory of 3108	2396	f4b43bbc941d68dd3f835a9fc776c5b3e4e0e7442836bcd845d31c87acf64be7.exe	74
PID 2396 wrote to memory of 3108	2396	f4b43bbc941d68dd3f835a9fc776c5b3e4e0e7442836bcd845d31c87acf64be7.exe	74
PID 2396 wrote to memory of 3108	2396	f4b43bbc941d68dd3f835a9fc776c5b3e4e0e7442836bcd845d31c87acf64be7.exe	74
PID 2396 wrote to memory of 3108	2396	f4b43bbc941d68dd3f835a9fc776c5b3e4e0e7442836bcd845d31c87acf64be7.exe	74
PID 2396 wrote to memory of 3108	2396	f4b43bbc941d68dd3f835a9fc776c5b3e4e0e7442836bcd845d31c87acf64be7.exe	74
PID 2696 wrote to memory of 2632	2696	vnc.exe	72
PID 2396 wrote to memory of 1252	2396	f4b43bbc941d68dd3f835a9fc776c5b3e4e0e7442836bcd845d31c87acf64be7.exe	75
PID 2396 wrote to memory of 1252	2396	f4b43bbc941d68dd3f835a9fc776c5b3e4e0e7442836bcd845d31c87acf64be7.exe	75
PID 2396 wrote to memory of 1252	2396	f4b43bbc941d68dd3f835a9fc776c5b3e4e0e7442836bcd845d31c87acf64be7.exe	75
PID 2696 wrote to memory of 2632	2696	vnc.exe	72
PID 3112 wrote to memory of 904	3112	windef.exe	78
PID 3112 wrote to memory of 904	3112	windef.exe	78
PID 3112 wrote to memory of 904	3112	windef.exe	78
PID 3112 wrote to memory of 3580	3112	windef.exe	80
PID 3112 wrote to memory of 3580	3112	windef.exe	80
PID 3112 wrote to memory of 3580	3112	windef.exe	80
PID 3580 wrote to memory of 1568	3580	winsock.exe	81
PID 3580 wrote to memory of 1568	3580	winsock.exe	81
PID 3580 wrote to memory of 1568	3580	winsock.exe	81

C:\Users\Admin\AppData\Local\Temp\f4b43bbc941d68dd3f835a9fc776c5b3e4e0e7442836bcd845d31c87acf64be7.exe
"C:\Users\Admin\AppData\Local\Temp\f4b43bbc941d68dd3f835a9fc776c5b3e4e0e7442836bcd845d31c87acf64be7.exe"
1⤵
- Enumerates connected drives
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2396
- C:\Users\Admin\AppData\Local\Temp\vnc.exe
  "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2696
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k
    3⤵
    - Maps connected drives based on registry
    PID:2632
- C:\Users\Admin\AppData\Local\Temp\windef.exe
  "C:\Users\Admin\AppData\Local\Temp\windef.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3112
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks" /create /tn "win defender run" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\windef.exe" /rl HIGHEST /f
    3⤵
    - Creates scheduled task(s)
    PID:904
- - C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
    "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3580
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks" /create /tn "win defender run" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe" /rl HIGHEST /f
      4⤵
      Creates scheduled task(s)
      PID:1568
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\P4ayuiHiHJJY.bat" "
      4⤵
      PID:1812
    - - C:\Windows\SysWOW64\chcp.com
        
        chcp 65001
        5⤵
        
        PID:2620
    - - C:\Windows\SysWOW64\PING.EXE
        
        ping -n 10 localhost
        5⤵
        Runs ping.exe
        
        PID:2756
    - - C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
        
        "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
        5⤵
        
        PID:2824
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3580 -s 2088
      4⤵
      Program crash
      PID:2236
- C:\Users\Admin\AppData\Local\Temp\f4b43bbc941d68dd3f835a9fc776c5b3e4e0e7442836bcd845d31c87acf64be7.exe
  "C:\Users\Admin\AppData\Local\Temp\f4b43bbc941d68dd3f835a9fc776c5b3e4e0e7442836bcd845d31c87acf64be7.exe"
  2⤵
  PID:3108
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\SysWOW64\schtasks.exe" /create /tn RtkAudioService64 /tr "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe" /sc minute /mo 1 /F
  2⤵
  - Creates scheduled task(s)
  PID:1252

C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
1⤵
PID:2896
- C:\Users\Admin\AppData\Local\Temp\vnc.exe
  "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
  2⤵
  PID:752
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k
    3⤵
    PID:2232
- C:\Users\Admin\AppData\Local\Temp\windef.exe
  "C:\Users\Admin\AppData\Local\Temp\windef.exe"
  2⤵
  PID:8
- C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
  "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
  2⤵
  PID:2704
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\SysWOW64\schtasks.exe" /create /tn RtkAudioService64 /tr "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe" /sc minute /mo 1 /F
  2⤵
  - Creates scheduled task(s)
  PID:3684

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/8-172-0x0000000004BB0000-0x00000000050AE000-memory.dmp

Download

memory/2232-171-0x0000000000DF0000-0x0000000000E8C000-memory.dmp

Download

memory/2232-170-0x0000000000E90000-0x0000000000E91000-memory.dmp

Download

memory/2396-132-0x0000000001C50000-0x0000000001C51000-memory.dmp

Download

memory/2632-133-0x0000000000AB0000-0x0000000000AB1000-memory.dmp

Download

memory/2632-134-0x0000000000A10000-0x0000000000AAC000-memory.dmp

Download

memory/2704-181-0x00000000002D0000-0x00000000002F0000-memory.dmp

Download

memory/2824-179-0x0000000004FB0000-0x0000000004FB1000-memory.dmp

Download

memory/3108-122-0x0000000000C50000-0x0000000000C70000-memory.dmp

Download

memory/3112-136-0x0000000005270000-0x0000000005271000-memory.dmp

Download

memory/3112-127-0x00000000007B0000-0x00000000007B1000-memory.dmp

Download

memory/3112-131-0x00000000050D0000-0x00000000050D1000-memory.dmp

Download

memory/3112-135-0x0000000004F50000-0x000000000544E000-memory.dmp

Download

memory/3112-129-0x0000000005450000-0x0000000005451000-memory.dmp

Download

memory/3112-137-0x0000000005DD0000-0x0000000005DD1000-memory.dmp

Download

memory/3112-138-0x00000000061A0000-0x00000000061A1000-memory.dmp

Download

memory/3580-152-0x0000000006A60000-0x0000000006A61000-memory.dmp

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memory/3580-147-0x0000000005440000-0x0000000005441000-memory.dmp

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