azorult | c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c

Analysis

max time kernel
3s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
28-05-2024 03:03

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General

Target

c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c.exe
Size

2.0MB
MD5

da833e33a67c144eae7850b898192f1e
SHA1

c8e713b603d22abd2de7842cb155104cddd50bbf
SHA256

c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c
SHA512

d0c9e6f7e991acac5f66636fd4c47687da0de398b64d4b20e000ad22fb07c5c3b4e97ec5a6940f7c3f60f7219084e0b7f0934ebe753bbc5bf80b6a80021995aa
SSDEEP

24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYN:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y7

Score

10^/10

azorult quasar ebayprofiles infostealer spyware trojan

Malware Config

Extracted

Family

azorult

http://0x21.in:8000/_az/

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

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/memory/2928-45-0x00000000000F0000-0x000000000014E000-memory.dmp	family_quasar
behavioral1/files/0x00090000000146f4-29.dat	family_quasar
behavioral1/memory/1880-59-0x0000000000270000-0x00000000002CE000-memory.dmp	family_quasar

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

resource	yara_rule
behavioral1/memory/2928-45-0x00000000000F0000-0x000000000014E000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral1/files/0x00090000000146f4-29.dat	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral1/memory/1880-59-0x0000000000270000-0x00000000002CE000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA

Detects executables containing common artifacts observed in infostealers 3 IoCs

resource	yara_rule
behavioral1/memory/2928-45-0x00000000000F0000-0x000000000014E000-memory.dmp	INDICATOR_SUSPICIOUS_GENInfoStealer
behavioral1/files/0x00090000000146f4-29.dat	INDICATOR_SUSPICIOUS_GENInfoStealer
behavioral1/memory/1880-59-0x0000000000270000-0x00000000002CE000-memory.dmp	INDICATOR_SUSPICIOUS_GENInfoStealer

Executes dropped EXE 3 IoCs

pid	Process
2300	vnc.exe
2928	windef.exe
1880	winsock.exe

Loads dropped DLL 13 IoCs

pid	Process
1956	c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c.exe
1956	c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c.exe
1956	c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c.exe
1956	c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c.exe
1956	c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c.exe
1956	c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c.exe
1956	c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c.exe
1956	c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c.exe
2656	WerFault.exe
2656	WerFault.exe
2656	WerFault.exe
2656	WerFault.exe
2928	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)	\??\n:	c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c.exe
File opened (read-only)	\??\p:	c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c.exe
File opened (read-only)	\??\s:	c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c.exe
File opened (read-only)	\??\u:	c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c.exe
File opened (read-only)	\??\v:	c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c.exe
File opened (read-only)	\??\w:	c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c.exe
File opened (read-only)	\??\y:	c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c.exe
File opened (read-only)	\??\z:	c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c.exe
File opened (read-only)	\??\b:	c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c.exe
File opened (read-only)	\??\g:	c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c.exe
File opened (read-only)	\??\j:	c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c.exe
File opened (read-only)	\??\l:	c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c.exe
File opened (read-only)	\??\q:	c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c.exe
File opened (read-only)	\??\t:	c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c.exe
File opened (read-only)	\??\a:	c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c.exe
File opened (read-only)	\??\e:	c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c.exe
File opened (read-only)	\??\h:	c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c.exe
File opened (read-only)	\??\k:	c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c.exe
File opened (read-only)	\??\m:	c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c.exe
File opened (read-only)	\??\o:	c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c.exe
File opened (read-only)	\??\r:	c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c.exe
File opened (read-only)	\??\x:	c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c.exe
File opened (read-only)	\??\i:	c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c.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
8	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1956 set thread context of 2504	1956	c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c.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
2656	2300	WerFault.exe

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
2660	schtasks.exe
804	schtasks.exe
1700	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1956	c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c.exe
1956	c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2928	windef.exe
Token: SeDebugPrivilege	1880	winsock.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1880	winsock.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 1956 wrote to memory of 2300	1956	c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c.exe	28
PID 1956 wrote to memory of 2300	1956	c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c.exe	28
PID 1956 wrote to memory of 2300	1956	c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c.exe	28
PID 1956 wrote to memory of 2300	1956	c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c.exe	28
PID 2300 wrote to memory of 1268	2300	vnc.exe	29
PID 2300 wrote to memory of 1268	2300	vnc.exe	29
PID 2300 wrote to memory of 1268	2300	vnc.exe	29
PID 2300 wrote to memory of 1268	2300	vnc.exe	29
PID 2300 wrote to memory of 1268	2300	vnc.exe	29
PID 1956 wrote to memory of 2928	1956	c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c.exe	30
PID 1956 wrote to memory of 2928	1956	c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c.exe	30
PID 1956 wrote to memory of 2928	1956	c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c.exe	30
PID 1956 wrote to memory of 2928	1956	c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c.exe	30
PID 1956 wrote to memory of 2504	1956	c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c.exe	31
PID 1956 wrote to memory of 2504	1956	c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c.exe	31
PID 1956 wrote to memory of 2504	1956	c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c.exe	31
PID 1956 wrote to memory of 2504	1956	c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c.exe	31
PID 1956 wrote to memory of 2504	1956	c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c.exe	31
PID 1956 wrote to memory of 2504	1956	c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c.exe	31
PID 1956 wrote to memory of 2660	1956	c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c.exe	32
PID 1956 wrote to memory of 2660	1956	c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c.exe	32
PID 1956 wrote to memory of 2660	1956	c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c.exe	32
PID 1956 wrote to memory of 2660	1956	c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c.exe	32
PID 2300 wrote to memory of 2656	2300	vnc.exe	34
PID 2300 wrote to memory of 2656	2300	vnc.exe	34
PID 2300 wrote to memory of 2656	2300	vnc.exe	34
PID 2300 wrote to memory of 2656	2300	vnc.exe	34
PID 2928 wrote to memory of 804	2928	windef.exe	36
PID 2928 wrote to memory of 804	2928	windef.exe	36
PID 2928 wrote to memory of 804	2928	windef.exe	36
PID 2928 wrote to memory of 804	2928	windef.exe	36
PID 2928 wrote to memory of 1880	2928	windef.exe	38
PID 2928 wrote to memory of 1880	2928	windef.exe	38
PID 2928 wrote to memory of 1880	2928	windef.exe	38
PID 2928 wrote to memory of 1880	2928	windef.exe	38
PID 1880 wrote to memory of 1700	1880	winsock.exe	39
PID 1880 wrote to memory of 1700	1880	winsock.exe	39
PID 1880 wrote to memory of 1700	1880	winsock.exe	39
PID 1880 wrote to memory of 1700	1880	winsock.exe	39

C:\Users\Admin\AppData\Local\Temp\c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c.exe
"C:\Users\Admin\AppData\Local\Temp\c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c.exe"
1⤵
- Loads dropped DLL
- Enumerates connected drives
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1956
- 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:2300
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k
    3⤵
    PID:1268
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2300 -s 160
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:2656
- C:\Users\Admin\AppData\Local\Temp\windef.exe
  "C:\Users\Admin\AppData\Local\Temp\windef.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2928
- - 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:804
- - C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
    "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1880
  - - 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:1700
- C:\Users\Admin\AppData\Local\Temp\c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c.exe
  "C:\Users\Admin\AppData\Local\Temp\c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c.exe"
  2⤵
  PID:2504
- 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:2660

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

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

Filesize
349KB

MD5
b4a202e03d4135484d0e730173abcc72

SHA1
01b30014545ea526c15a60931d676f9392ea0c70

SHA256
7050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9

SHA512
632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb

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

Filesize
405KB

MD5
b8ba87ee4c3fc085a2fed0d839aadce1

SHA1
b3a2e3256406330e8b1779199bb2b9865122d766

SHA256
4e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4

SHA512
7a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2

Download Submit
memory/1880-59-0x0000000000270000-0x00000000002CE000-memory.dmp

Filesize
376KB

Download
memory/1956-42-0x0000000001060000-0x0000000001061000-memory.dmp

Filesize
4KB

Download
memory/2504-31-0x0000000000080000-0x00000000000A0000-memory.dmp

Filesize
128KB

Download
memory/2504-30-0x0000000000080000-0x00000000000A0000-memory.dmp

Filesize
128KB

Download
memory/2504-41-0x0000000000080000-0x00000000000A0000-memory.dmp

Filesize
128KB

Download
memory/2504-37-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2928-45-0x00000000000F0000-0x000000000014E000-memory.dmp

Filesize
376KB

Download