azorult | 56cf98c5ed8c5335f981544efebfd53e14ba0e168e4519125d20a492b82ac3c6

General

Target

Adobe Download Manager.exe
Size

2.0MB
MD5

fdb4791c0883935dd02cc7edafca23cf
SHA1

05d4862a798647a2ff0999deb00efae430ebee27
SHA256

56cf98c5ed8c5335f981544efebfd53e14ba0e168e4519125d20a492b82ac3c6
SHA512

49e4577493d47d0227f1ca096c5ddced4f06eece4097961b3dcbf0a50eedbe7c9f48bc2bcc18d6a9042f7d14a696428e9d02ad0f87a73e6acf18ba2c636b4710
SSDEEP

24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYO: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

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/2300-45-0x0000000000C90000-0x0000000000CEE000-memory.dmp	family_quasar
behavioral1/memory/2332-60-0x0000000000FD0000-0x000000000102E000-memory.dmp	family_quasar

Executes dropped EXE 2 IoCs

Processes:

vnc.exewindef.exe

pid process

2364 vnc.exe
2300 windef.exe

pid	process
2364	vnc.exe
2300	windef.exe

Loads dropped DLL 12 IoCs

Processes:

Adobe Download Manager.exeWerFault.exe

pid	process
3036	Adobe Download Manager.exe
3036	Adobe Download Manager.exe
3036	Adobe Download Manager.exe
3036	Adobe Download Manager.exe
3036	Adobe Download Manager.exe
3036	Adobe Download Manager.exe
3036	Adobe Download Manager.exe
3036	Adobe Download Manager.exe
2820	WerFault.exe
2820	WerFault.exe
2820	WerFault.exe
2820	WerFault.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:

Adobe Download Manager.exe

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

4 ip-api.com
Suspicious use of SetThreadContext 1 IoCs

Processes:

Adobe Download Manager.exe

description pid process target process

PID 3036 set thread context of 2872 3036 Adobe Download Manager.exe Adobe Download Manager.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

2820 2364 WerFault.exe vnc.exe

flow	ioc
4	ip-api.com

description	pid	process	target process
PID 3036 set thread context of 2872	3036	Adobe Download Manager.exe	Adobe Download Manager.exe

pid	pid_target	process	target process
2820	2364	WerFault.exe	vnc.exe

System Location Discovery: System Language Discovery 1 TTPs 5 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:

Adobe Download Manager.exevnc.exewindef.exeAdobe Download Manager.exeschtasks.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Adobe Download Manager.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	Adobe Download Manager.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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

2696 schtasks.exe
1380 schtasks.exe
1780 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Adobe Download Manager.exe

pid process

3036 Adobe Download Manager.exe
3036 Adobe Download Manager.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

windef.exe

description pid process

Token: SeDebugPrivilege 2300 windef.exe

pid	process
2696	schtasks.exe
1380	schtasks.exe
1780	schtasks.exe

description	pid	process
Token: SeDebugPrivilege	2300	windef.exe

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

Adobe Download Manager.exevnc.exe

description	pid	process	target process
PID 3036 wrote to memory of 2364	3036	Adobe Download Manager.exe	vnc.exe
PID 3036 wrote to memory of 2364	3036	Adobe Download Manager.exe	vnc.exe
PID 3036 wrote to memory of 2364	3036	Adobe Download Manager.exe	vnc.exe
PID 3036 wrote to memory of 2364	3036	Adobe Download Manager.exe	vnc.exe
PID 2364 wrote to memory of 1796	2364	vnc.exe	svchost.exe
PID 2364 wrote to memory of 1796	2364	vnc.exe	svchost.exe
PID 2364 wrote to memory of 1796	2364	vnc.exe	svchost.exe
PID 2364 wrote to memory of 1796	2364	vnc.exe	svchost.exe
PID 3036 wrote to memory of 2300	3036	Adobe Download Manager.exe	windef.exe
PID 3036 wrote to memory of 2300	3036	Adobe Download Manager.exe	windef.exe
PID 3036 wrote to memory of 2300	3036	Adobe Download Manager.exe	windef.exe
PID 3036 wrote to memory of 2300	3036	Adobe Download Manager.exe	windef.exe
PID 2364 wrote to memory of 1796	2364	vnc.exe	svchost.exe
PID 3036 wrote to memory of 2872	3036	Adobe Download Manager.exe	Adobe Download Manager.exe
PID 3036 wrote to memory of 2872	3036	Adobe Download Manager.exe	Adobe Download Manager.exe
PID 3036 wrote to memory of 2872	3036	Adobe Download Manager.exe	Adobe Download Manager.exe
PID 3036 wrote to memory of 2872	3036	Adobe Download Manager.exe	Adobe Download Manager.exe
PID 3036 wrote to memory of 2872	3036	Adobe Download Manager.exe	Adobe Download Manager.exe
PID 3036 wrote to memory of 2872	3036	Adobe Download Manager.exe	Adobe Download Manager.exe
PID 3036 wrote to memory of 2696	3036	Adobe Download Manager.exe	schtasks.exe
PID 3036 wrote to memory of 2696	3036	Adobe Download Manager.exe	schtasks.exe
PID 3036 wrote to memory of 2696	3036	Adobe Download Manager.exe	schtasks.exe
PID 3036 wrote to memory of 2696	3036	Adobe Download Manager.exe	schtasks.exe
PID 2364 wrote to memory of 2820	2364	vnc.exe	WerFault.exe
PID 2364 wrote to memory of 2820	2364	vnc.exe	WerFault.exe
PID 2364 wrote to memory of 2820	2364	vnc.exe	WerFault.exe
PID 2364 wrote to memory of 2820	2364	vnc.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\Adobe Download Manager.exe
"C:\Users\Admin\AppData\Local\Temp\Adobe Download Manager.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:3036

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:2364

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k
3⤵
PID:1796

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2364 -s 160
3⤵
- Loads dropped DLL
- Program crash
PID:2820

C:\Users\Admin\AppData\Local\Temp\windef.exe
"C:\Users\Admin\AppData\Local\Temp\windef.exe"
2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2300

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⤵
- Scheduled Task/Job: Scheduled Task
PID:1380

C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
"C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
3⤵
PID:2332

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⤵
- Scheduled Task/Job: Scheduled Task
PID:1780

C:\Users\Admin\AppData\Local\Temp\Adobe Download Manager.exe
"C:\Users\Admin\AppData\Local\Temp\Adobe Download Manager.exe"
2⤵
- System Location Discovery: System Language Discovery
PID:2872

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:2696

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

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Downloads

\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/2300-30-0x0000000073E9E000-0x0000000073E9F000-memory.dmp

Filesize
4KB

Download
memory/2300-45-0x0000000000C90000-0x0000000000CEE000-memory.dmp

Filesize
376KB

Download
memory/2332-60-0x0000000000FD0000-0x000000000102E000-memory.dmp

Filesize
376KB

Download
memory/2872-32-0x0000000000080000-0x00000000000A0000-memory.dmp

Filesize
128KB

Download
memory/2872-44-0x0000000000080000-0x00000000000A0000-memory.dmp

Filesize
128KB

Download
memory/2872-40-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2872-34-0x0000000000080000-0x00000000000A0000-memory.dmp

Filesize
128KB

Download
memory/3036-31-0x0000000001200000-0x0000000001201000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads