azorult | a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e

General

Target

a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe
Size

2.0MB
MD5

ccb4dfbb22f36fea1236c4100d54d214
SHA1

8db45e1e327e1c0db5e4e0a2504c034c92ec5828
SHA256

a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e
SHA512

08b79cce9dc7704de1f223af2f5edebe0185cfe4cadffd4f32dfb151d7b58183d32dcd05b8abb8007437587b7acea01a143c2c6e66971065f88cdfa70ed2346a
SSDEEP

24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY3:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y1

Score

10^/10

azorult quasar ebayprofiles discovery infostealer spyware trojan

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

EbayProfiles

C2

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

C2

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

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\windef.exe	family_quasar
behavioral1/memory/2788-46-0x00000000003C0000-0x000000000041E000-memory.dmp	family_quasar
behavioral1/memory/1228-60-0x0000000000340000-0x000000000039E000-memory.dmp	family_quasar

Executes dropped EXE 3 IoCs

Processes:

vnc.exewindef.exewinsock.exe

pid process

2656 vnc.exe
2788 windef.exe
1228 winsock.exe

pid	process
2656	vnc.exe
2788	windef.exe
1228	winsock.exe

Loads dropped DLL 13 IoCs

Processes:

a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exeWerFault.exewindef.exe

pid	process
2432	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe
2432	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe
2432	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe
2432	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe
2432	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe
2432	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe
2432	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe
2432	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe
2156	WerFault.exe
2156	WerFault.exe
2156	WerFault.exe
2156	WerFault.exe
2788	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

Processes:

a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe

description	ioc	process
File opened (read-only)	\??\m:	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe
File opened (read-only)	\??\p:	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe
File opened (read-only)	\??\u:	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe
File opened (read-only)	\??\y:	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe
File opened (read-only)	\??\z:	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe
File opened (read-only)	\??\a:	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe
File opened (read-only)	\??\j:	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe
File opened (read-only)	\??\s:	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe
File opened (read-only)	\??\b:	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe
File opened (read-only)	\??\o:	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe
File opened (read-only)	\??\l:	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe
File opened (read-only)	\??\n:	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe
File opened (read-only)	\??\q:	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe
File opened (read-only)	\??\r:	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe
File opened (read-only)	\??\v:	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe
File opened (read-only)	\??\x:	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe
File opened (read-only)	\??\e:	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe
File opened (read-only)	\??\k:	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe
File opened (read-only)	\??\i:	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe
File opened (read-only)	\??\t:	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe
File opened (read-only)	\??\w:	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe
File opened (read-only)	\??\g:	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe
File opened (read-only)	\??\h:	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.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.

Processes:

flow ioc

7 ip-api.com

flow	ioc
7	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

Processes:

a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe

description	pid	process	target process
PID 2432 set thread context of 2404	2432	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe

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

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2156 2656 WerFault.exe vnc.exe

pid	pid_target	process	target process
2156	2656	WerFault.exe	vnc.exe

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

Processes:

windef.exeschtasks.exeschtasks.exewinsock.exeschtasks.exea99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exevnc.exea99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	windef.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vnc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.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

Processes:

schtasks.exeschtasks.exeschtasks.exe

pid process

2552 schtasks.exe
2092 schtasks.exe
1320 schtasks.exe

pid	process
2552	schtasks.exe
2092	schtasks.exe
1320	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe

pid	process
2432	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe
2432	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

windef.exewinsock.exe

description pid process

Token: SeDebugPrivilege 2788 windef.exe
Token: SeDebugPrivilege 1228 winsock.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

winsock.exe

pid process

1228 winsock.exe

description	pid	process
Token: SeDebugPrivilege	2788	windef.exe
Token: SeDebugPrivilege	1228	winsock.exe

pid	process
1228	winsock.exe

Suspicious use of WriteProcessMemory 39 IoCs

Processes:

a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exevnc.exewindef.exewinsock.exe

description	pid	process	target process
PID 2432 wrote to memory of 2656	2432	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe	vnc.exe
PID 2432 wrote to memory of 2656	2432	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe	vnc.exe
PID 2432 wrote to memory of 2656	2432	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe	vnc.exe
PID 2432 wrote to memory of 2656	2432	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe	vnc.exe
PID 2656 wrote to memory of 2692	2656	vnc.exe	svchost.exe
PID 2656 wrote to memory of 2692	2656	vnc.exe	svchost.exe
PID 2656 wrote to memory of 2692	2656	vnc.exe	svchost.exe
PID 2656 wrote to memory of 2692	2656	vnc.exe	svchost.exe
PID 2656 wrote to memory of 2692	2656	vnc.exe	svchost.exe
PID 2432 wrote to memory of 2788	2432	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe	windef.exe
PID 2432 wrote to memory of 2788	2432	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe	windef.exe
PID 2432 wrote to memory of 2788	2432	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe	windef.exe
PID 2432 wrote to memory of 2788	2432	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe	windef.exe
PID 2432 wrote to memory of 2404	2432	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe
PID 2432 wrote to memory of 2404	2432	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe
PID 2432 wrote to memory of 2404	2432	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe
PID 2432 wrote to memory of 2404	2432	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe
PID 2432 wrote to memory of 2404	2432	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe
PID 2432 wrote to memory of 2404	2432	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe
PID 2432 wrote to memory of 2552	2432	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe	schtasks.exe
PID 2432 wrote to memory of 2552	2432	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe	schtasks.exe
PID 2432 wrote to memory of 2552	2432	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe	schtasks.exe
PID 2432 wrote to memory of 2552	2432	a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe	schtasks.exe
PID 2656 wrote to memory of 2156	2656	vnc.exe	WerFault.exe
PID 2656 wrote to memory of 2156	2656	vnc.exe	WerFault.exe
PID 2656 wrote to memory of 2156	2656	vnc.exe	WerFault.exe
PID 2656 wrote to memory of 2156	2656	vnc.exe	WerFault.exe
PID 2788 wrote to memory of 2092	2788	windef.exe	schtasks.exe
PID 2788 wrote to memory of 2092	2788	windef.exe	schtasks.exe
PID 2788 wrote to memory of 2092	2788	windef.exe	schtasks.exe
PID 2788 wrote to memory of 2092	2788	windef.exe	schtasks.exe
PID 2788 wrote to memory of 1228	2788	windef.exe	winsock.exe
PID 2788 wrote to memory of 1228	2788	windef.exe	winsock.exe
PID 2788 wrote to memory of 1228	2788	windef.exe	winsock.exe
PID 2788 wrote to memory of 1228	2788	windef.exe	winsock.exe
PID 1228 wrote to memory of 1320	1228	winsock.exe	schtasks.exe
PID 1228 wrote to memory of 1320	1228	winsock.exe	schtasks.exe
PID 1228 wrote to memory of 1320	1228	winsock.exe	schtasks.exe
PID 1228 wrote to memory of 1320	1228	winsock.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe
"C:\Users\Admin\AppData\Local\Temp\a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.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:2432
- C:\Users\Admin\AppData\Local\Temp\vnc.exe
  "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2656
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k
    3⤵
    PID:2692
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2656 -s 160
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:2156
- 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:2788
- - 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:2092
- - 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:1228
  - - 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:1320
- C:\Users\Admin\AppData\Local\Temp\a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe
  "C:\Users\Admin\AppData\Local\Temp\a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2404
- 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:2552

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

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/1228-60-0x0000000000340000-0x000000000039E000-memory.dmp

Filesize
376KB

Download
memory/2404-40-0x00000000000C0000-0x00000000000E0000-memory.dmp

Filesize
128KB

Download
memory/2404-36-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2404-30-0x00000000000C0000-0x00000000000E0000-memory.dmp

Filesize
128KB

Download
memory/2404-28-0x00000000000C0000-0x00000000000E0000-memory.dmp

Filesize
128KB

Download
memory/2432-42-0x0000000000BF0000-0x0000000000BF1000-memory.dmp

Filesize
4KB

Download
memory/2432-62-0x0000000000BF0000-0x0000000000BF1000-memory.dmp

Filesize
4KB

Download
memory/2788-46-0x00000000003C0000-0x000000000041E000-memory.dmp

Filesize
376KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads