azorult | a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a

Analysis

max time kernel
1s
max time network
53s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
15-04-2024 01:18

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General

Target

a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a.exe
Size

2.0MB
MD5

d7baaeddb13d05a6bd94a61306bc9846
SHA1

8777a2e9aa71924deea930d058ab83d5decc408e
SHA256

a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a
SHA512

cda205d7d3ea4d222be89296458ddff37a5d1eb536c7e0d9130b85e2ddc4cd02673824d7ff1c2a846ca2c7b3d2d868ac8aeb6914c4430137108b22fa65d60afe
SSDEEP

24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYJ:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y7

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

Quasar payload 3 IoCs

resource	yara_rule
behavioral1/files/0x000b0000000160cc-26.dat	family_quasar
behavioral1/memory/2528-30-0x0000000001110000-0x000000000116E000-memory.dmp	family_quasar
behavioral1/memory/2996-60-0x0000000000120000-0x000000000017E000-memory.dmp	family_quasar

Detects Windows executables referencing non-Windows User-Agents 3 IoCs

resource	yara_rule
behavioral1/files/0x000b0000000160cc-26.dat	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral1/memory/2528-30-0x0000000001110000-0x000000000116E000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral1/memory/2996-60-0x0000000000120000-0x000000000017E000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA

Detects executables containing common artifacts observed in infostealers 3 IoCs

resource	yara_rule
behavioral1/files/0x000b0000000160cc-26.dat	INDICATOR_SUSPICIOUS_GENInfoStealer
behavioral1/memory/2528-30-0x0000000001110000-0x000000000116E000-memory.dmp	INDICATOR_SUSPICIOUS_GENInfoStealer
behavioral1/memory/2996-60-0x0000000000120000-0x000000000017E000-memory.dmp	INDICATOR_SUSPICIOUS_GENInfoStealer

Executes dropped EXE 2 IoCs

pid	Process
768	vnc.exe
2528	windef.exe

Loads dropped DLL 11 IoCs

pid	Process
2916	a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a.exe
2916	a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a.exe
2916	a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a.exe
2916	a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a.exe
2916	a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a.exe
2916	a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a.exe
2916	a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a.exe
2916	a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a.exe
2428	WerFault.exe
2428	WerFault.exe
2428	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

description	ioc	Process
File opened (read-only)	\??\r:	a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a.exe
File opened (read-only)	\??\v:	a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a.exe
File opened (read-only)	\??\w:	a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a.exe
File opened (read-only)	\??\e:	a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a.exe
File opened (read-only)	\??\h:	a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a.exe
File opened (read-only)	\??\i:	a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a.exe
File opened (read-only)	\??\m:	a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a.exe
File opened (read-only)	\??\p:	a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a.exe
File opened (read-only)	\??\x:	a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a.exe
File opened (read-only)	\??\y:	a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a.exe
File opened (read-only)	\??\g:	a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a.exe
File opened (read-only)	\??\j:	a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a.exe
File opened (read-only)	\??\s:	a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a.exe
File opened (read-only)	\??\a:	a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a.exe
File opened (read-only)	\??\b:	a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a.exe
File opened (read-only)	\??\o:	a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a.exe
File opened (read-only)	\??\u:	a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a.exe
File opened (read-only)	\??\z:	a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a.exe
File opened (read-only)	\??\k:	a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a.exe
File opened (read-only)	\??\l:	a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a.exe
File opened (read-only)	\??\n:	a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a.exe
File opened (read-only)	\??\q:	a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a.exe
File opened (read-only)	\??\t:	a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a.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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2916 set thread context of 2576	2916	a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a.exe	31

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2428	768	WerFault.exe	28

Creates scheduled task(s) 1 TTPs 3 IoCs

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

persistence

Scheduled Task/Job

T1053

pid	Process
2444	schtasks.exe
2848	schtasks.exe
2480	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2916	a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a.exe
2916	a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 2916 wrote to memory of 768	2916	a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a.exe	28
PID 2916 wrote to memory of 768	2916	a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a.exe	28
PID 2916 wrote to memory of 768	2916	a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a.exe	28
PID 2916 wrote to memory of 768	2916	a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a.exe	28
PID 768 wrote to memory of 1732	768	vnc.exe	29
PID 768 wrote to memory of 1732	768	vnc.exe	29
PID 768 wrote to memory of 1732	768	vnc.exe	29
PID 768 wrote to memory of 1732	768	vnc.exe	29
PID 768 wrote to memory of 1732	768	vnc.exe	29
PID 2916 wrote to memory of 2528	2916	a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a.exe	30
PID 2916 wrote to memory of 2528	2916	a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a.exe	30
PID 2916 wrote to memory of 2528	2916	a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a.exe	30
PID 2916 wrote to memory of 2528	2916	a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a.exe	30
PID 2916 wrote to memory of 2576	2916	a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a.exe	31
PID 2916 wrote to memory of 2576	2916	a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a.exe	31
PID 2916 wrote to memory of 2576	2916	a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a.exe	31
PID 2916 wrote to memory of 2576	2916	a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a.exe	31
PID 2916 wrote to memory of 2576	2916	a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a.exe	31
PID 768 wrote to memory of 2428	768	vnc.exe	32
PID 768 wrote to memory of 2428	768	vnc.exe	32
PID 768 wrote to memory of 2428	768	vnc.exe	32
PID 768 wrote to memory of 2428	768	vnc.exe	32
PID 2916 wrote to memory of 2576	2916	a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a.exe	31
PID 2916 wrote to memory of 2444	2916	a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a.exe	33
PID 2916 wrote to memory of 2444	2916	a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a.exe	33
PID 2916 wrote to memory of 2444	2916	a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a.exe	33
PID 2916 wrote to memory of 2444	2916	a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a.exe	33

C:\Users\Admin\AppData\Local\Temp\a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a.exe
"C:\Users\Admin\AppData\Local\Temp\a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a.exe"
1⤵
- Loads dropped DLL
- Enumerates connected drives
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2916
- C:\Users\Admin\AppData\Local\Temp\vnc.exe
  "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:768
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k
    3⤵
    PID:1732
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 768 -s 160
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:2428
- C:\Users\Admin\AppData\Local\Temp\windef.exe
  "C:\Users\Admin\AppData\Local\Temp\windef.exe"
  2⤵
  - Executes dropped EXE
  PID:2528
- - 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:2848
- - C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
    "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
    3⤵
    PID:2996
  - - 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:2480
- C:\Users\Admin\AppData\Local\Temp\a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a.exe
  "C:\Users\Admin\AppData\Local\Temp\a41e196cc8e426b7f3100e3683e0adfca4c6db99155d47f7ad035a522e9dd38a.exe"
  2⤵
  PID:2576
- 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:2444

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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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/2528-30-0x0000000001110000-0x000000000116E000-memory.dmp

Filesize
376KB

Download
memory/2528-62-0x0000000073D60000-0x000000007444E000-memory.dmp

Filesize
6.9MB

Download
memory/2528-50-0x0000000004A70000-0x0000000004AB0000-memory.dmp

Filesize
256KB

Download
memory/2528-49-0x0000000073D60000-0x000000007444E000-memory.dmp

Filesize
6.9MB

Download
memory/2576-46-0x0000000000080000-0x00000000000A0000-memory.dmp

Filesize
128KB

Download
memory/2576-39-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2576-33-0x0000000000080000-0x00000000000A0000-memory.dmp

Filesize
128KB

Download
memory/2576-31-0x0000000000080000-0x00000000000A0000-memory.dmp

Filesize
128KB

Download
memory/2916-51-0x0000000004A70000-0x0000000004AB0000-memory.dmp

Filesize
256KB

Download
memory/2996-60-0x0000000000120000-0x000000000017E000-memory.dmp

Filesize
376KB

Download
memory/2996-61-0x0000000073D60000-0x000000007444E000-memory.dmp

Filesize
6.9MB

Download
memory/2996-63-0x0000000001ED0000-0x0000000001F10000-memory.dmp

Filesize
256KB

Download