azorult | 57ba6e0a9c0804c9a3d239dc6fb2a6742f3a91b762741772dd3571e1cbec45f8

General

Target

bin-cr.exe
Size

2.1MB
MD5

50d9ad764597d6970f0480b58c4cf88e
SHA1

72c210f8b80c755a6f5198ca6dea509872dee98a
SHA256

57ba6e0a9c0804c9a3d239dc6fb2a6742f3a91b762741772dd3571e1cbec45f8
SHA512

6d8bb209d50ec7a2349174255faa33696826d9c31eab7a22c63840afdc8711dd44bf42a35dad58c99f4ed1c057f4adaa913fe7e292afc1bee9482b5d08a02e07
SSDEEP

24576:opwU6X5VuMFwg1SkQpRzFabsmVnR/ChijkYHGo5ExFNIprhIw0cNN4CJP6SSTzny:owVuMF5rbNWijJmA0cP42Jr

Score

10^/10

azorult quasar apr infostealer persistence spyware trojan

Malware Config

Extracted

Family

azorult

C2

http://dblg023.shop/bill1/index.php

Extracted

Family

quasar

Version

1.3.0.0

Botnet

APR

C2

19ap22.duckdns.org:100

Mutex

QSR_MUTEX_KuRNqiBWI63hLvM1k8

Attributes

encryption_key
TMHR4yuB8MoZH2RLARpT
install_name
Client.exe
log_directory
Logs
reconnect_delay
3000
startup_key
Quasar Client Startup
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 7 IoCs

resource	yara_rule
behavioral2/memory/3996-163-0x0000000000400000-0x0000000000478000-memory.dmp	family_quasar
behavioral2/memory/3996-166-0x0000000000400000-0x0000000000478000-memory.dmp	family_quasar
behavioral2/memory/3996-168-0x0000000000400000-0x0000000000478000-memory.dmp	family_quasar
behavioral2/files/0x000200000001f737-180.dat	family_quasar
behavioral2/files/0x000200000001f737-185.dat	family_quasar
behavioral2/files/0x000200000001f737-186.dat	family_quasar
behavioral2/memory/1636-187-0x0000000000ED0000-0x0000000000F2E000-memory.dmp	family_quasar

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation	bin-cr.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation	bin-cr.exe

Executes dropped EXE 2 IoCs

pid	Process
3132	FB_ED24.tmp.exe
1636	FB_F003.tmp.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Gykujii = "\"C:\\Users\\Admin\\AppData\\Roaming\\Dfaofq\\Gykujii.exe\""	bin-cr.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
56	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3344 set thread context of 3996	3344	bin-cr.exe	93

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1120	powershell.exe
1120	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1120	powershell.exe
Token: SeDebugPrivilege	3344	bin-cr.exe
Token: SeDebugPrivilege	1636	FB_F003.tmp.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1636	FB_F003.tmp.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 3344 wrote to memory of 1120	3344	bin-cr.exe	84
PID 3344 wrote to memory of 1120	3344	bin-cr.exe	84
PID 3344 wrote to memory of 1120	3344	bin-cr.exe	84
PID 3344 wrote to memory of 3996	3344	bin-cr.exe	93
PID 3344 wrote to memory of 3996	3344	bin-cr.exe	93
PID 3344 wrote to memory of 3996	3344	bin-cr.exe	93
PID 3344 wrote to memory of 3996	3344	bin-cr.exe	93
PID 3344 wrote to memory of 3996	3344	bin-cr.exe	93
PID 3344 wrote to memory of 3996	3344	bin-cr.exe	93
PID 3344 wrote to memory of 3996	3344	bin-cr.exe	93
PID 3344 wrote to memory of 3996	3344	bin-cr.exe	93
PID 3344 wrote to memory of 3996	3344	bin-cr.exe	93
PID 3996 wrote to memory of 3132	3996	bin-cr.exe	94
PID 3996 wrote to memory of 3132	3996	bin-cr.exe	94
PID 3996 wrote to memory of 3132	3996	bin-cr.exe	94
PID 3996 wrote to memory of 1636	3996	bin-cr.exe	95
PID 3996 wrote to memory of 1636	3996	bin-cr.exe	95
PID 3996 wrote to memory of 1636	3996	bin-cr.exe	95

C:\Users\Admin\AppData\Local\Temp\bin-cr.exe
"C:\Users\Admin\AppData\Local\Temp\bin-cr.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3344
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1120
- C:\Users\Admin\AppData\Local\Temp\bin-cr.exe
  C:\Users\Admin\AppData\Local\Temp\bin-cr.exe
  2⤵
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:3996
- - C:\Users\Admin\AppData\Local\Temp\FB_ED24.tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\FB_ED24.tmp.exe"
    3⤵
    - Executes dropped EXE
    PID:3132
- - C:\Users\Admin\AppData\Local\Temp\FB_F003.tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\FB_F003.tmp.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:1636

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\FB_ED24.tmp.exe

Filesize
112KB

MD5
4eac73bc748b791e7226f2437bcc7373

SHA1
d42622daea1be5854c63be3def25152bd8dfb632

SHA256
c33105209acd4b1f2cf3280624beb53cf5ca7232bea0ab225089fa976e8660f7

SHA512
b1ef3d3b93c902c55a8a2e235a993b6aadd6cd2814539864bb19cf80aa65fc77979dc56b32ad8bac8738e93ecf53ee4162268cda6e0db9aceacddefabb1434fe

Download Submit
C:\Users\Admin\AppData\Local\Temp\FB_ED24.tmp.exe

Filesize
112KB

MD5
4eac73bc748b791e7226f2437bcc7373

SHA1
d42622daea1be5854c63be3def25152bd8dfb632

SHA256
c33105209acd4b1f2cf3280624beb53cf5ca7232bea0ab225089fa976e8660f7

SHA512
b1ef3d3b93c902c55a8a2e235a993b6aadd6cd2814539864bb19cf80aa65fc77979dc56b32ad8bac8738e93ecf53ee4162268cda6e0db9aceacddefabb1434fe

Download Submit
C:\Users\Admin\AppData\Local\Temp\FB_ED24.tmp.exe

Filesize
112KB

MD5
4eac73bc748b791e7226f2437bcc7373

SHA1
d42622daea1be5854c63be3def25152bd8dfb632

SHA256
c33105209acd4b1f2cf3280624beb53cf5ca7232bea0ab225089fa976e8660f7

SHA512
b1ef3d3b93c902c55a8a2e235a993b6aadd6cd2814539864bb19cf80aa65fc77979dc56b32ad8bac8738e93ecf53ee4162268cda6e0db9aceacddefabb1434fe

Download Submit
C:\Users\Admin\AppData\Local\Temp\FB_F003.tmp.exe

Filesize
348KB

MD5
c3cd641d73ea502521a565e9f0c07ac3

SHA1
685fa71f8b7528f8365103241b8ff85d9e58eddc

SHA256
110ae9a133457252d8305ef438e614b756ac827bb8d6bde4c57c9b2d8c8c7fc3

SHA512
8cfa85526d97b12367bb9c115cebf5e9bfe2d01b956cf469c8d92561a44333950bcd9de8b225abd335de7b1c8c8683c572d74e5e76c46c8a58a508a0d1072ed2

Download Submit
C:\Users\Admin\AppData\Local\Temp\FB_F003.tmp.exe

Filesize
348KB

MD5
c3cd641d73ea502521a565e9f0c07ac3

SHA1
685fa71f8b7528f8365103241b8ff85d9e58eddc

SHA256
110ae9a133457252d8305ef438e614b756ac827bb8d6bde4c57c9b2d8c8c7fc3

SHA512
8cfa85526d97b12367bb9c115cebf5e9bfe2d01b956cf469c8d92561a44333950bcd9de8b225abd335de7b1c8c8683c572d74e5e76c46c8a58a508a0d1072ed2

Download Submit
C:\Users\Admin\AppData\Local\Temp\FB_F003.tmp.exe

Filesize
348KB

MD5
c3cd641d73ea502521a565e9f0c07ac3

SHA1
685fa71f8b7528f8365103241b8ff85d9e58eddc

SHA256
110ae9a133457252d8305ef438e614b756ac827bb8d6bde4c57c9b2d8c8c7fc3

SHA512
8cfa85526d97b12367bb9c115cebf5e9bfe2d01b956cf469c8d92561a44333950bcd9de8b225abd335de7b1c8c8683c572d74e5e76c46c8a58a508a0d1072ed2

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rbxbqo2z.bzd.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1120-151-0x0000000005DF0000-0x0000000005E0E000-memory.dmp

Filesize
120KB

Download
memory/1120-141-0x00000000056E0000-0x0000000005746000-memory.dmp

Filesize
408KB

Download
memory/1120-140-0x0000000005670000-0x00000000056D6000-memory.dmp

Filesize
408KB

Download
memory/1120-139-0x0000000004990000-0x00000000049A0000-memory.dmp

Filesize
64KB

Download
memory/1120-152-0x0000000007440000-0x0000000007ABA000-memory.dmp

Filesize
6.5MB

Download
memory/1120-153-0x00000000062E0000-0x00000000062FA000-memory.dmp

Filesize
104KB

Download
memory/1120-154-0x0000000004990000-0x00000000049A0000-memory.dmp

Filesize
64KB

Download
memory/1120-138-0x0000000004990000-0x00000000049A0000-memory.dmp

Filesize
64KB

Download
memory/1120-156-0x0000000004990000-0x00000000049A0000-memory.dmp

Filesize
64KB

Download
memory/1120-157-0x0000000004990000-0x00000000049A0000-memory.dmp

Filesize
64KB

Download
memory/1120-158-0x0000000004990000-0x00000000049A0000-memory.dmp

Filesize
64KB

Download
memory/1120-137-0x0000000004FD0000-0x00000000055F8000-memory.dmp

Filesize
6.2MB

Download
memory/1120-136-0x0000000004830000-0x0000000004866000-memory.dmp

Filesize
216KB

Download
memory/1636-187-0x0000000000ED0000-0x0000000000F2E000-memory.dmp

Filesize
376KB

Download
memory/1636-189-0x0000000005800000-0x0000000005892000-memory.dmp

Filesize
584KB

Download
memory/1636-196-0x00000000056F0000-0x0000000005700000-memory.dmp

Filesize
64KB

Download
memory/1636-195-0x0000000006F80000-0x0000000006F8A000-memory.dmp

Filesize
40KB

Download
memory/1636-193-0x0000000006C00000-0x0000000006C3C000-memory.dmp

Filesize
240KB

Download
memory/1636-192-0x00000000065E0000-0x00000000065F2000-memory.dmp

Filesize
72KB

Download
memory/1636-191-0x00000000056F0000-0x0000000005700000-memory.dmp

Filesize
64KB

Download
memory/1636-188-0x0000000005D10000-0x00000000062B4000-memory.dmp

Filesize
5.6MB

Download
memory/3132-190-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/3344-155-0x0000000005610000-0x0000000005620000-memory.dmp

Filesize
64KB

Download
memory/3344-133-0x0000000000A30000-0x0000000000C4E000-memory.dmp

Filesize
2.1MB

Download
memory/3344-134-0x0000000005AA0000-0x0000000005AC2000-memory.dmp

Filesize
136KB

Download
memory/3344-135-0x0000000005610000-0x0000000005620000-memory.dmp

Filesize
64KB

Download
memory/3996-168-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3996-163-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3996-166-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads