azorult | 57ba6e0a9c0804c9a3d239dc6fb2a6742f3a91b762741772dd3571e1cbec45f8

Resubmissions

14-04-2023 09:46

230414-lrmgqaag8s 10

14-04-2023 09:39

230414-lm3yxaag6y 10

13-04-2023 06:38

230413-hd2spshh29 10

Analysis

max time kernel
135s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
13-04-2023 06:38

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Report Analysis Logs

General

Target

bin-cr.exe
Size

2.1MB
MD5

50d9ad764597d6970f0480b58c4cf88e
SHA1

72c210f8b80c755a6f5198ca6dea509872dee98a
SHA256

57ba6e0a9c0804c9a3d239dc6fb2a6742f3a91b762741772dd3571e1cbec45f8
SHA512

6d8bb209d50ec7a2349174255faa33696826d9c31eab7a22c63840afdc8711dd44bf42a35dad58c99f4ed1c057f4adaa913fe7e292afc1bee9482b5d08a02e07
SSDEEP

24576:opwU6X5VuMFwg1SkQpRzFabsmVnR/ChijkYHGo5ExFNIprhIw0cNN4CJP6SSTzny:owVuMF5rbNWijJmA0cP42Jr

Score

10^/10

azorult quasar apr collection discovery infostealer persistence spyware stealer trojan

Malware Config

Extracted

Family

azorult

http://dblg023.shop/bill1/index.php

Extracted

Family

quasar

Version

1.3.0.0

Botnet

APR

19ap22.duckdns.org:100

Mutex

QSR_MUTEX_KuRNqiBWI63hLvM1k8

Attributes

encryption_key
TMHR4yuB8MoZH2RLARpT
install_name
Client.exe
log_directory
Logs
reconnect_delay
3000
startup_key
Quasar Client Startup
subdirectory
SubDir

Signatures

Azorult
An information stealer that was first discovered in 2016, targeting browsing history and passwords.
trojan infostealer azorult
Quasar RAT
Quasar is an open source Remote Access Tool.
trojan spyware quasar

Quasar payload 7 IoCs

resource	yara_rule
behavioral2/memory/3060-163-0x0000000000400000-0x0000000000478000-memory.dmp	family_quasar
behavioral2/memory/3060-166-0x0000000000400000-0x0000000000478000-memory.dmp	family_quasar
behavioral2/memory/3060-168-0x0000000000400000-0x0000000000478000-memory.dmp	family_quasar
behavioral2/files/0x0007000000023127-180.dat	family_quasar
behavioral2/files/0x0007000000023127-186.dat	family_quasar
behavioral2/files/0x0007000000023127-185.dat	family_quasar
behavioral2/memory/4124-187-0x0000000000950000-0x00000000009AE000-memory.dmp	family_quasar

Checks computer location settings 2 TTPs 3 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-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation	bin-cr.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation	bin-cr.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation	FB_C940.tmp.exe

Executes dropped EXE 2 IoCs

pid	Process
3108	FB_C940.tmp.exe
4124	FB_CBD1.tmp.exe

Loads dropped DLL 4 IoCs

pid	Process
3108	FB_C940.tmp.exe
3108	FB_C940.tmp.exe
3108	FB_C940.tmp.exe
3108	FB_C940.tmp.exe

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

Data from Local System
T1005

Credentials in Files
T1081
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
spyware stealer

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 stealer

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 stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	FB_C940.tmp.exe
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	FB_C940.tmp.exe
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	FB_C940.tmp.exe

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Gykujii = "\"C:\\Users\\Admin\\AppData\\Roaming\\Dfaofq\\Gykujii.exe\""	bin-cr.exe

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

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
25	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4544 set thread context of 3060	4544	bin-cr.exe	91

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

System Information Discovery
T1082

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	FB_C940.tmp.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	FB_C940.tmp.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4264	timeout.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
636	powershell.exe
636	powershell.exe
4544	bin-cr.exe
4544	bin-cr.exe
3108	FB_C940.tmp.exe
3108	FB_C940.tmp.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	636	powershell.exe
Token: SeDebugPrivilege	4544	bin-cr.exe
Token: SeDebugPrivilege	4124	FB_CBD1.tmp.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4124	FB_CBD1.tmp.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 4544 wrote to memory of 636	4544	bin-cr.exe	82
PID 4544 wrote to memory of 636	4544	bin-cr.exe	82
PID 4544 wrote to memory of 636	4544	bin-cr.exe	82
PID 4544 wrote to memory of 4800	4544	bin-cr.exe	90
PID 4544 wrote to memory of 4800	4544	bin-cr.exe	90
PID 4544 wrote to memory of 4800	4544	bin-cr.exe	90
PID 4544 wrote to memory of 3060	4544	bin-cr.exe	91
PID 4544 wrote to memory of 3060	4544	bin-cr.exe	91
PID 4544 wrote to memory of 3060	4544	bin-cr.exe	91
PID 4544 wrote to memory of 3060	4544	bin-cr.exe	91
PID 4544 wrote to memory of 3060	4544	bin-cr.exe	91
PID 4544 wrote to memory of 3060	4544	bin-cr.exe	91
PID 4544 wrote to memory of 3060	4544	bin-cr.exe	91
PID 4544 wrote to memory of 3060	4544	bin-cr.exe	91
PID 4544 wrote to memory of 3060	4544	bin-cr.exe	91
PID 3060 wrote to memory of 3108	3060	bin-cr.exe	92
PID 3060 wrote to memory of 3108	3060	bin-cr.exe	92
PID 3060 wrote to memory of 3108	3060	bin-cr.exe	92
PID 3060 wrote to memory of 4124	3060	bin-cr.exe	93
PID 3060 wrote to memory of 4124	3060	bin-cr.exe	93
PID 3060 wrote to memory of 4124	3060	bin-cr.exe	93
PID 3108 wrote to memory of 2764	3108	FB_C940.tmp.exe	95
PID 3108 wrote to memory of 2764	3108	FB_C940.tmp.exe	95
PID 3108 wrote to memory of 2764	3108	FB_C940.tmp.exe	95
PID 2764 wrote to memory of 4264	2764	cmd.exe	97
PID 2764 wrote to memory of 4264	2764	cmd.exe	97
PID 2764 wrote to memory of 4264	2764	cmd.exe	97

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	FB_C940.tmp.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	FB_C940.tmp.exe

C:\Users\Admin\AppData\Local\Temp\bin-cr.exe
"C:\Users\Admin\AppData\Local\Temp\bin-cr.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4544
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:636
- C:\Users\Admin\AppData\Local\Temp\bin-cr.exe
  C:\Users\Admin\AppData\Local\Temp\bin-cr.exe
  2⤵
  PID:4800
- C:\Users\Admin\AppData\Local\Temp\bin-cr.exe
  C:\Users\Admin\AppData\Local\Temp\bin-cr.exe
  2⤵
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:3060
- - C:\Users\Admin\AppData\Local\Temp\FB_C940.tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\FB_C940.tmp.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Loads dropped DLL
    - Accesses Microsoft Outlook profiles
    - Checks processor information in registry
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    - outlook_office_path
    - outlook_win_path
    PID:3108
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c C:\Windows\system32\timeout.exe 3 & del "FB_C940.tmp.exe"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2764
    - - C:\Windows\SysWOW64\timeout.exe
        
        C:\Windows\system32\timeout.exe 3
        5⤵
        Delays execution with timeout.exe
        
        PID:4264
- - C:\Users\Admin\AppData\Local\Temp\FB_CBD1.tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\FB_CBD1.tmp.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:4124

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

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\75B26A6E\mozglue.dll

Filesize
135KB

MD5
9e682f1eb98a9d41468fc3e50f907635

SHA1
85e0ceca36f657ddf6547aa0744f0855a27527ee

SHA256
830533bb569594ec2f7c07896b90225006b90a9af108f49d6fb6bebd02428b2d

SHA512
230230722d61ac1089fabf3f2decfa04f9296498f8e2a2a49b1527797dca67b5a11ab8656f04087acadf873fa8976400d57c77c404eba4aff89d92b9986f32ed

Download Submit
C:\Users\Admin\AppData\Local\Temp\75B26A6E\msvcp140.dll

Filesize
429KB

MD5
109f0f02fd37c84bfc7508d4227d7ed5

SHA1
ef7420141bb15ac334d3964082361a460bfdb975

SHA256
334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

SHA512
46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

Download Submit
C:\Users\Admin\AppData\Local\Temp\75B26A6E\nss3.dll

Filesize
1.2MB

MD5
556ea09421a0f74d31c4c0a89a70dc23

SHA1
f739ba9b548ee64b13eb434a3130406d23f836e3

SHA256
f0e6210d4a0d48c7908d8d1c270449c91eb4523e312a61256833bfeaf699abfb

SHA512
2481fc80dffa8922569552c3c3ebaef8d0341b80427447a14b291ec39ea62ab9c05a75e85eef5ea7f857488cab1463c18586f9b076e2958c5a314e459045ede2

Download Submit
C:\Users\Admin\AppData\Local\Temp\75B26A6E\vcruntime140.dll

Filesize
81KB

MD5
7587bf9cb4147022cd5681b015183046

SHA1
f2106306a8f6f0da5afb7fc765cfa0757ad5a628

SHA256
c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

SHA512
0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

Download Submit
C:\Users\Admin\AppData\Local\Temp\FB_C940.tmp.exe

Filesize
112KB

MD5
4eac73bc748b791e7226f2437bcc7373

SHA1
d42622daea1be5854c63be3def25152bd8dfb632

SHA256
c33105209acd4b1f2cf3280624beb53cf5ca7232bea0ab225089fa976e8660f7

SHA512
b1ef3d3b93c902c55a8a2e235a993b6aadd6cd2814539864bb19cf80aa65fc77979dc56b32ad8bac8738e93ecf53ee4162268cda6e0db9aceacddefabb1434fe

Download Submit
C:\Users\Admin\AppData\Local\Temp\FB_C940.tmp.exe

Filesize
112KB

MD5
4eac73bc748b791e7226f2437bcc7373

SHA1
d42622daea1be5854c63be3def25152bd8dfb632

SHA256
c33105209acd4b1f2cf3280624beb53cf5ca7232bea0ab225089fa976e8660f7

SHA512
b1ef3d3b93c902c55a8a2e235a993b6aadd6cd2814539864bb19cf80aa65fc77979dc56b32ad8bac8738e93ecf53ee4162268cda6e0db9aceacddefabb1434fe

Download Submit
C:\Users\Admin\AppData\Local\Temp\FB_C940.tmp.exe

Filesize
112KB

MD5
4eac73bc748b791e7226f2437bcc7373

SHA1
d42622daea1be5854c63be3def25152bd8dfb632

SHA256
c33105209acd4b1f2cf3280624beb53cf5ca7232bea0ab225089fa976e8660f7

SHA512
b1ef3d3b93c902c55a8a2e235a993b6aadd6cd2814539864bb19cf80aa65fc77979dc56b32ad8bac8738e93ecf53ee4162268cda6e0db9aceacddefabb1434fe

Download Submit
C:\Users\Admin\AppData\Local\Temp\FB_CBD1.tmp.exe

Filesize
348KB

MD5
c3cd641d73ea502521a565e9f0c07ac3

SHA1
685fa71f8b7528f8365103241b8ff85d9e58eddc

SHA256
110ae9a133457252d8305ef438e614b756ac827bb8d6bde4c57c9b2d8c8c7fc3

SHA512
8cfa85526d97b12367bb9c115cebf5e9bfe2d01b956cf469c8d92561a44333950bcd9de8b225abd335de7b1c8c8683c572d74e5e76c46c8a58a508a0d1072ed2

Download Submit
C:\Users\Admin\AppData\Local\Temp\FB_CBD1.tmp.exe

Filesize
348KB

MD5
c3cd641d73ea502521a565e9f0c07ac3

SHA1
685fa71f8b7528f8365103241b8ff85d9e58eddc

SHA256
110ae9a133457252d8305ef438e614b756ac827bb8d6bde4c57c9b2d8c8c7fc3

SHA512
8cfa85526d97b12367bb9c115cebf5e9bfe2d01b956cf469c8d92561a44333950bcd9de8b225abd335de7b1c8c8683c572d74e5e76c46c8a58a508a0d1072ed2

Download Submit
C:\Users\Admin\AppData\Local\Temp\FB_CBD1.tmp.exe

Filesize
348KB

MD5
c3cd641d73ea502521a565e9f0c07ac3

SHA1
685fa71f8b7528f8365103241b8ff85d9e58eddc

SHA256
110ae9a133457252d8305ef438e614b756ac827bb8d6bde4c57c9b2d8c8c7fc3

SHA512
8cfa85526d97b12367bb9c115cebf5e9bfe2d01b956cf469c8d92561a44333950bcd9de8b225abd335de7b1c8c8683c572d74e5e76c46c8a58a508a0d1072ed2

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ame50f5s.2dv.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/636-138-0x0000000004E90000-0x0000000004EA0000-memory.dmp

Filesize
64KB

Download
memory/636-153-0x0000000006770000-0x000000000678A000-memory.dmp

Filesize
104KB

Download
memory/636-154-0x0000000004E90000-0x0000000004EA0000-memory.dmp

Filesize
64KB

Download
memory/636-152-0x0000000007AE0000-0x000000000815A000-memory.dmp

Filesize
6.5MB

Download
memory/636-156-0x0000000004E90000-0x0000000004EA0000-memory.dmp

Filesize
64KB

Download
memory/636-157-0x0000000004E90000-0x0000000004EA0000-memory.dmp

Filesize
64KB

Download
memory/636-158-0x0000000004E90000-0x0000000004EA0000-memory.dmp

Filesize
64KB

Download
memory/636-151-0x0000000006270000-0x000000000628E000-memory.dmp

Filesize
120KB

Download
memory/636-141-0x0000000005B70000-0x0000000005BD6000-memory.dmp

Filesize
408KB

Download
memory/636-140-0x0000000005B00000-0x0000000005B66000-memory.dmp

Filesize
408KB

Download
memory/636-139-0x0000000004E90000-0x0000000004EA0000-memory.dmp

Filesize
64KB

Download
memory/636-137-0x00000000054D0000-0x0000000005AF8000-memory.dmp

Filesize
6.2MB

Download
memory/636-136-0x0000000002CA0000-0x0000000002CD6000-memory.dmp

Filesize
216KB

Download
memory/3060-168-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3060-163-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3060-166-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3108-306-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/4124-188-0x0000000005780000-0x0000000005D24000-memory.dmp

Filesize
5.6MB

Download
memory/4124-189-0x0000000005310000-0x00000000053A2000-memory.dmp

Filesize
584KB

Download
memory/4124-190-0x0000000005260000-0x0000000005270000-memory.dmp

Filesize
64KB

Download
memory/4124-254-0x0000000006290000-0x00000000062A2000-memory.dmp

Filesize
72KB

Download
memory/4124-255-0x00000000066C0000-0x00000000066FC000-memory.dmp

Filesize
240KB

Download
memory/4124-257-0x0000000006A50000-0x0000000006A5A000-memory.dmp

Filesize
40KB

Download
memory/4124-187-0x0000000000950000-0x00000000009AE000-memory.dmp

Filesize
376KB

Download
memory/4124-307-0x0000000005260000-0x0000000005270000-memory.dmp

Filesize
64KB

Download
memory/4544-133-0x0000000000150000-0x000000000036E000-memory.dmp

Filesize
2.1MB

Download
memory/4544-155-0x0000000004DC0000-0x0000000004DD0000-memory.dmp

Filesize
64KB

Download
memory/4544-135-0x0000000004DC0000-0x0000000004DD0000-memory.dmp

Filesize
64KB

Download
memory/4544-134-0x00000000051D0000-0x00000000051F2000-memory.dmp

Filesize
136KB

Download