azorult | 8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59

Analysis

max time kernel
4s
max time network
142s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
27-08-2024 00:54

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General

Target

8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.exe
Size

2.0MB
MD5

932d32437e6120b963696ebd3a4209d5
SHA1

76bb55de4272b024c011bb469ae836777b7326ce
SHA256

8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59
SHA512

2e840a24f432b2696bc816f77291a412577a0b571eec73e383a0db7b8c8d7cddfe0c88cf754668792a0eb8520e53eeea72b0520c3315d8c2d6e151ad7500c87a
SSDEEP

24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYq:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YQ

Score

10^/10

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

Quasar payload 3 IoCs

resource	yara_rule
behavioral1/files/0x0008000000016635-17.dat	family_quasar
behavioral1/memory/2080-45-0x0000000001230000-0x000000000128E000-memory.dmp	family_quasar
behavioral1/memory/1840-61-0x0000000000F30000-0x0000000000F8E000-memory.dmp	family_quasar

Executes dropped EXE 3 IoCs

pid	Process
2352	vnc.exe
2080	windef.exe
1840	winsock.exe

Loads dropped DLL 9 IoCs

pid	Process
2324	8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.exe
2324	8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.exe
2324	8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.exe
2324	8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.exe
2324	8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.exe
2324	8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.exe
2324	8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.exe
2324	8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.exe
2080	windef.exe

Enumerates connected drives 3 TTPs 23 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)	\??\b:	8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.exe
File opened (read-only)	\??\g:	8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.exe
File opened (read-only)	\??\h:	8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.exe
File opened (read-only)	\??\i:	8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.exe
File opened (read-only)	\??\j:	8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.exe
File opened (read-only)	\??\k:	8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.exe
File opened (read-only)	\??\n:	8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.exe
File opened (read-only)	\??\p:	8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.exe
File opened (read-only)	\??\e:	8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.exe
File opened (read-only)	\??\m:	8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.exe
File opened (read-only)	\??\q:	8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.exe
File opened (read-only)	\??\t:	8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.exe
File opened (read-only)	\??\a:	8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.exe
File opened (read-only)	\??\l:	8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.exe
File opened (read-only)	\??\o:	8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.exe
File opened (read-only)	\??\r:	8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.exe
File opened (read-only)	\??\s:	8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.exe
File opened (read-only)	\??\u:	8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.exe
File opened (read-only)	\??\v:	8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.exe
File opened (read-only)	\??\w:	8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.exe
File opened (read-only)	\??\x:	8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.exe
File opened (read-only)	\??\y:	8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.exe
File opened (read-only)	\??\z:	8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.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
5	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 2324 set thread context of 2408	2324	8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.exe	34
PID 2352 set thread context of 2468	2352	vnc.exe	32

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 8 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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vnc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	windef.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winsock.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2724	schtasks.exe
2536	schtasks.exe
1540	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2324	8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.exe
2324	8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2352	vnc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2080	windef.exe
Token: SeDebugPrivilege	1840	winsock.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1840	winsock.exe

Suspicious use of WriteProcessMemory 37 IoCs

description	pid	Process	procid_target
PID 2324 wrote to memory of 2352	2324	8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.exe	31
PID 2324 wrote to memory of 2352	2324	8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.exe	31
PID 2324 wrote to memory of 2352	2324	8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.exe	31
PID 2324 wrote to memory of 2352	2324	8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.exe	31
PID 2352 wrote to memory of 2468	2352	vnc.exe	32
PID 2352 wrote to memory of 2468	2352	vnc.exe	32
PID 2352 wrote to memory of 2468	2352	vnc.exe	32
PID 2352 wrote to memory of 2468	2352	vnc.exe	32
PID 2352 wrote to memory of 2468	2352	vnc.exe	32
PID 2324 wrote to memory of 2080	2324	8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.exe	33
PID 2324 wrote to memory of 2080	2324	8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.exe	33
PID 2324 wrote to memory of 2080	2324	8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.exe	33
PID 2324 wrote to memory of 2080	2324	8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.exe	33
PID 2324 wrote to memory of 2408	2324	8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.exe	34
PID 2324 wrote to memory of 2408	2324	8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.exe	34
PID 2324 wrote to memory of 2408	2324	8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.exe	34
PID 2324 wrote to memory of 2408	2324	8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.exe	34
PID 2324 wrote to memory of 2408	2324	8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.exe	34
PID 2324 wrote to memory of 2408	2324	8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.exe	34
PID 2324 wrote to memory of 2724	2324	8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.exe	35
PID 2324 wrote to memory of 2724	2324	8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.exe	35
PID 2324 wrote to memory of 2724	2324	8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.exe	35
PID 2324 wrote to memory of 2724	2324	8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.exe	35
PID 2352 wrote to memory of 2468	2352	vnc.exe	32
PID 2352 wrote to memory of 2468	2352	vnc.exe	32
PID 2080 wrote to memory of 2536	2080	windef.exe	38
PID 2080 wrote to memory of 2536	2080	windef.exe	38
PID 2080 wrote to memory of 2536	2080	windef.exe	38
PID 2080 wrote to memory of 2536	2080	windef.exe	38
PID 2080 wrote to memory of 1840	2080	windef.exe	40
PID 2080 wrote to memory of 1840	2080	windef.exe	40
PID 2080 wrote to memory of 1840	2080	windef.exe	40
PID 2080 wrote to memory of 1840	2080	windef.exe	40
PID 1840 wrote to memory of 1540	1840	winsock.exe	41
PID 1840 wrote to memory of 1540	1840	winsock.exe	41
PID 1840 wrote to memory of 1540	1840	winsock.exe	41
PID 1840 wrote to memory of 1540	1840	winsock.exe	41

C:\Users\Admin\AppData\Local\Temp\8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.exe
"C:\Users\Admin\AppData\Local\Temp\8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.exe"
1⤵
- Loads dropped DLL
- Enumerates connected drives
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2324
- C:\Users\Admin\AppData\Local\Temp\vnc.exe
  "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2352
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k
    3⤵
    - Maps connected drives based on registry
    PID:2468
- C:\Users\Admin\AppData\Local\Temp\windef.exe
  "C:\Users\Admin\AppData\Local\Temp\windef.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2080
- - 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⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2536
- - C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
    "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1840
  - - 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⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:1540
- C:\Users\Admin\AppData\Local\Temp\8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.exe
  "C:\Users\Admin\AppData\Local\Temp\8ee37bf3dbd24c8d2fbe52742fa58a7f03843d029e651adbb497211c05508c59.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2408
- 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⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2724

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
405KB

MD5
b8ba87ee4c3fc085a2fed0d839aadce1

SHA1
b3a2e3256406330e8b1779199bb2b9865122d766

SHA256
4e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4

SHA512
7a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2

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

Filesize
349KB

MD5
b4a202e03d4135484d0e730173abcc72

SHA1
01b30014545ea526c15a60931d676f9392ea0c70

SHA256
7050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9

SHA512
632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb

Download Submit
memory/1840-61-0x0000000000F30000-0x0000000000F8E000-memory.dmp

Filesize
376KB

Download
memory/2080-45-0x0000000001230000-0x000000000128E000-memory.dmp

Filesize
376KB

Download
memory/2324-41-0x0000000000B30000-0x0000000000B31000-memory.dmp

Filesize
4KB

Download
memory/2408-30-0x0000000000080000-0x00000000000A0000-memory.dmp

Filesize
128KB

Download
memory/2408-36-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2408-29-0x0000000000080000-0x00000000000A0000-memory.dmp

Filesize
128KB

Download
memory/2408-42-0x0000000000080000-0x00000000000A0000-memory.dmp

Filesize
128KB

Download
memory/2468-46-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2468-48-0x000007FFFFFD5000-0x000007FFFFFD6000-memory.dmp

Filesize
4KB

Download
memory/2468-49-0x0000000000490000-0x000000000052C000-memory.dmp

Filesize
624KB

Download
memory/2468-53-0x0000000000490000-0x000000000052C000-memory.dmp

Filesize
624KB

Download