azorult | 8880ab7325f0b8b80b2effe628f02ce4206dbdf8cb8400c63ed1f50eccc205fd

General

Target

10c5d885e75da4ac61c900f1d648c5ea66a6d82c8d9430e635918fbd7d9836ff.exe
Size

2.4MB
MD5

66b8734bf63417e42501295ae9897c49
SHA1

052e282d2d6fb1ef51594a01496421c1d5953d1e
SHA256

10c5d885e75da4ac61c900f1d648c5ea66a6d82c8d9430e635918fbd7d9836ff
SHA512

b351e270cbd07bc2e2ed2d1a247a19c215792671177ee3b78aaae4f2d3a5106002749c289ef4c75a17925edbf34da2dfe047b6c46565a8e7edbfd7cc420302aa
SSDEEP

49152:bh+ZkldoPK8Ya8bh+ZkldoPK8YauAcfjCb:E2cPK8J2cPK8FAI

Score

10^/10

azorult nanocore discovery evasion infostealer keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

asorock0011.ddns.net:3883

wcbradley.duckdns.org:3883

Mutex

085f7dcc-185c-430c-8509-24ff72383d6e

Attributes

activate_away_mode
true
backup_connection_host
wcbradley.duckdns.org
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2018-11-25T14:42:34.851485336Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
3883
default_group
Default
enable_debug_mode
true
gc_threshold
1.048576e+07
keep_alive_timeout
30000
keyboard_logging
false
lan_timeout
2500
max_packet_size
1.048576e+07
mutex
085f7dcc-185c-430c-8509-24ff72383d6e
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
asorock0011.ddns.net
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
false
set_critical_process
true
timeout_interval
5000
use_custom_dns_server
false
version
1.2.2.0
wan_timeout
8000

Extracted

Family

azorult

C2

http://fortillinco.com/raeymnbvcxz/index.php

Signatures

Azorult
An information stealer that was first discovered in 2016, targeting browsing history and passwords.
trojan infostealer azorult
Azorult family
azorult
NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore
Nanocore family
nanocore

Checks computer location settings 2 TTPs 1 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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	10c5d885e75da4ac61c900f1d648c5ea66a6d82c8d9430e635918fbd7d9836ff.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\msco.url	10c5d885e75da4ac61c900f1d648c5ea66a6d82c8d9430e635918fbd7d9836ff.exe

Executes dropped EXE 2 IoCs

pid	Process
4940	azo.exe
3140	azo.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ARP Host = "C:\\Program Files (x86)\\ARP Host\\arphost.exe"	RegAsm.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	RegAsm.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/files/0x0008000000023cb9-4.dat	autoit_exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 5004 set thread context of 1600	5004	10c5d885e75da4ac61c900f1d648c5ea66a6d82c8d9430e635918fbd7d9836ff.exe	86
PID 4940 set thread context of 3140	4940	azo.exe	87

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\ARP Host\arphost.exe	RegAsm.exe
File created	C:\Program Files (x86)\ARP Host\arphost.exe	RegAsm.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	10c5d885e75da4ac61c900f1d648c5ea66a6d82c8d9430e635918fbd7d9836ff.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	azo.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	azo.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1600	RegAsm.exe
1600	RegAsm.exe
1600	RegAsm.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1600	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1600	RegAsm.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 5004 wrote to memory of 4940	5004	10c5d885e75da4ac61c900f1d648c5ea66a6d82c8d9430e635918fbd7d9836ff.exe	84
PID 5004 wrote to memory of 4940	5004	10c5d885e75da4ac61c900f1d648c5ea66a6d82c8d9430e635918fbd7d9836ff.exe	84
PID 5004 wrote to memory of 4940	5004	10c5d885e75da4ac61c900f1d648c5ea66a6d82c8d9430e635918fbd7d9836ff.exe	84
PID 5004 wrote to memory of 1600	5004	10c5d885e75da4ac61c900f1d648c5ea66a6d82c8d9430e635918fbd7d9836ff.exe	86
PID 5004 wrote to memory of 1600	5004	10c5d885e75da4ac61c900f1d648c5ea66a6d82c8d9430e635918fbd7d9836ff.exe	86
PID 5004 wrote to memory of 1600	5004	10c5d885e75da4ac61c900f1d648c5ea66a6d82c8d9430e635918fbd7d9836ff.exe	86
PID 5004 wrote to memory of 1600	5004	10c5d885e75da4ac61c900f1d648c5ea66a6d82c8d9430e635918fbd7d9836ff.exe	86
PID 5004 wrote to memory of 1600	5004	10c5d885e75da4ac61c900f1d648c5ea66a6d82c8d9430e635918fbd7d9836ff.exe	86
PID 4940 wrote to memory of 3140	4940	azo.exe	87
PID 4940 wrote to memory of 3140	4940	azo.exe	87
PID 4940 wrote to memory of 3140	4940	azo.exe	87
PID 4940 wrote to memory of 3140	4940	azo.exe	87
PID 4940 wrote to memory of 3140	4940	azo.exe	87

C:\Users\Admin\AppData\Local\Temp\10c5d885e75da4ac61c900f1d648c5ea66a6d82c8d9430e635918fbd7d9836ff.exe
"C:\Users\Admin\AppData\Local\Temp\10c5d885e75da4ac61c900f1d648c5ea66a6d82c8d9430e635918fbd7d9836ff.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5004
- C:\Users\Admin\AppData\Local\Temp\azo.exe
  "C:\Users\Admin\AppData\Local\Temp\azo.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4940
- - C:\Users\Admin\AppData\Local\Temp\azo.exe
    "C:\Users\Admin\AppData\Local\Temp\azo.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3140
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
  2⤵
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:1600

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
1.1MB

MD5
9ff456db9d73f0e2bf40b9dd88da80da

SHA1
d95790dc876c3b092a1e94df2ac6da5ba2a60351

SHA256
68b5f994f6e7d486f31e6259f0088e8e95f5db4a86457d321c141d94bb72e6b0

SHA512
a2ff739cb36de9c5bab32b0083f11ef5a1191e93cb21d4b9df8762c1baf8e0e9fb73f3be3eb5be8d74be576f3a6bde70002ceb4487b052a1b48e37ae0f2f2fb2

Download Submit
memory/1600-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1600-20-0x0000000073BB2000-0x0000000073BB3000-memory.dmp

Filesize
4KB

Download
memory/1600-21-0x0000000073BB0000-0x0000000074161000-memory.dmp

Filesize
5.7MB

Download
memory/1600-22-0x0000000073BB0000-0x0000000074161000-memory.dmp

Filesize
5.7MB

Download
memory/1600-35-0x0000000073BB2000-0x0000000073BB3000-memory.dmp

Filesize
4KB

Download
memory/1600-36-0x0000000073BB0000-0x0000000074161000-memory.dmp

Filesize
5.7MB

Download
memory/1600-37-0x0000000073BB0000-0x0000000074161000-memory.dmp

Filesize
5.7MB

Download
memory/3140-24-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/3140-32-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/5004-11-0x0000000001350000-0x0000000001351000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads