nanocore | 4ed20217d84f7055b14abf31f97802c5f97b304b147f4d4132c0c1be177e3ff0

General

Target

invoice554684093903ye74674.exe
Size

214KB
MD5

7658e4288d97431e0b22ee17ce907162
SHA1

2a7b17759b037e3cd4799f9bdb099256197b94d1
SHA256

4ed20217d84f7055b14abf31f97802c5f97b304b147f4d4132c0c1be177e3ff0
SHA512

51553c9b0d335c9a7a9591bc29c4171549405f011b8b9f8663b00e97d832685c1153bc69443eeb3c7ab598d0f8d3e4ac8f60dad10a8e5f7e4a15947502bafc00
SSDEEP

3072:P8oVzkyxfZoB5aDx+Y6HRUHmzhxlI35MNzFNub2h/DWih/H3GR:P8A4HvIdHehj7ubg/Phf3

Score

10^/10

nanocore quasar godbless my hustle evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

Godbless my Hustle

C2

mill.hopto.org:7773

Mutex

QSR_MUTEX_IYpAlOHqocnX5nf6J7

Attributes

encryption_key
4AVo5Pq15qMZSQfQWCXf
install_name
Client.exe
log_directory
Ll
reconnect_delay
123
startup_key
str
subdirectory
SubDir

Extracted

Family

nanocore

Version

1.2.2.0

C2

mill.hopto.org:4489

127.0.0.1:4489

Mutex

f26f6140-1dcf-4d19-b29d-e8b4eda43999

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-07-03T15:17:26.062415736Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
4489
default_group
Heavenly
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
f26f6140-1dcf-4d19-b29d-e8b4eda43999
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
mill.hopto.org
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

Signatures

NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore
Quasar RAT
Quasar is an open source Remote Access Tool.
trojan spyware quasar

Quasar payload 4 IoCs

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\Server.exe	family_quasar
C:\Users\Admin\AppData\Local\Temp\Server.exe	family_quasar
C:\Users\Admin\AppData\Local\Temp\Server.exe	family_quasar
behavioral1/memory/1112-60-0x0000000001010000-0x000000000106E000-memory.dmp	family_quasar

Downloads MZ/PE file
Executes dropped EXE 1 IoCs

Processes:

Server.exe

pid process

1112 Server.exe
Loads dropped DLL 1 IoCs

Processes:

invoice554684093903ye74674.exe

pid process

1504 invoice554684093903ye74674.exe

pid	process
1112	Server.exe

pid	process
1504	invoice554684093903ye74674.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

invoice554684093903ye74674.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\UDP Service = "C:\\Program Files (x86)\\UDP Service\\udpsv.exe"	invoice554684093903ye74674.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

invoice554684093903ye74674.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	invoice554684093903ye74674.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:

invoice554684093903ye74674.exe

description pid process target process

PID 1504 set thread context of 1740 1504 invoice554684093903ye74674.exe invoice554684093903ye74674.exe

flow	ioc
4	ip-api.com

description	pid	process	target process
PID 1504 set thread context of 1740	1504	invoice554684093903ye74674.exe	invoice554684093903ye74674.exe

Drops file in Program Files directory 2 IoCs

Processes:

invoice554684093903ye74674.exe

description	ioc	process
File created	C:\Program Files (x86)\UDP Service\udpsv.exe	invoice554684093903ye74674.exe
File opened for modification	C:\Program Files (x86)\UDP Service\udpsv.exe	invoice554684093903ye74674.exe

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

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1004 schtasks.exe

pid	process
1004	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

invoice554684093903ye74674.exe

pid	process
1740	invoice554684093903ye74674.exe
1740	invoice554684093903ye74674.exe
1740	invoice554684093903ye74674.exe
1740	invoice554684093903ye74674.exe
1740	invoice554684093903ye74674.exe
1740	invoice554684093903ye74674.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

invoice554684093903ye74674.exe

pid process

1740 invoice554684093903ye74674.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

invoice554684093903ye74674.exeinvoice554684093903ye74674.exeServer.exe

description	pid	process
Token: SeDebugPrivilege	1504	invoice554684093903ye74674.exe
Token: SeDebugPrivilege	1740	invoice554684093903ye74674.exe
Token: SeDebugPrivilege	1112	Server.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Server.exe

pid process

1112 Server.exe

pid	process
1112	Server.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

invoice554684093903ye74674.exeServer.exe

description	pid	process	target process
PID 1504 wrote to memory of 1112	1504	invoice554684093903ye74674.exe	Server.exe
PID 1504 wrote to memory of 1112	1504	invoice554684093903ye74674.exe	Server.exe
PID 1504 wrote to memory of 1112	1504	invoice554684093903ye74674.exe	Server.exe
PID 1504 wrote to memory of 1112	1504	invoice554684093903ye74674.exe	Server.exe
PID 1504 wrote to memory of 1740	1504	invoice554684093903ye74674.exe	invoice554684093903ye74674.exe
PID 1504 wrote to memory of 1740	1504	invoice554684093903ye74674.exe	invoice554684093903ye74674.exe
PID 1504 wrote to memory of 1740	1504	invoice554684093903ye74674.exe	invoice554684093903ye74674.exe
PID 1504 wrote to memory of 1740	1504	invoice554684093903ye74674.exe	invoice554684093903ye74674.exe
PID 1504 wrote to memory of 1740	1504	invoice554684093903ye74674.exe	invoice554684093903ye74674.exe
PID 1504 wrote to memory of 1740	1504	invoice554684093903ye74674.exe	invoice554684093903ye74674.exe
PID 1504 wrote to memory of 1740	1504	invoice554684093903ye74674.exe	invoice554684093903ye74674.exe
PID 1504 wrote to memory of 1740	1504	invoice554684093903ye74674.exe	invoice554684093903ye74674.exe
PID 1504 wrote to memory of 1740	1504	invoice554684093903ye74674.exe	invoice554684093903ye74674.exe
PID 1112 wrote to memory of 1004	1112	Server.exe	schtasks.exe
PID 1112 wrote to memory of 1004	1112	Server.exe	schtasks.exe
PID 1112 wrote to memory of 1004	1112	Server.exe	schtasks.exe
PID 1112 wrote to memory of 1004	1112	Server.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\invoice554684093903ye74674.exe
"C:\Users\Admin\AppData\Local\Temp\invoice554684093903ye74674.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1504

C:\Users\Admin\AppData\Local\Temp\Server.exe
"C:\Users\Admin\AppData\Local\Temp\Server.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1112

C:\Windows\SysWOW64\schtasks.exe
"schtasks" /create /tn "str" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\Server.exe" /rl HIGHEST /f
3⤵
- Creates scheduled task(s)
PID:1004

C:\Users\Admin\AppData\Local\Temp\invoice554684093903ye74674.exe
"C:\Users\Admin\AppData\Local\Temp\invoice554684093903ye74674.exe"
2⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1740

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
348KB

MD5
42501e281de15d0331a70d0b34b94b8b

SHA1
c9ae2a74d0e25e0d2c4946917767d46d33e208cc

SHA256
b85d366a889518edf0a9899e2120de042965a72fc60c8795a2f9bd6eee96d58c

SHA512
aaea1b070c6560264d2875b7fb355820af4ceab172ff4c5a6b21d893ec4955419c7b673bedae66beae5626dbbacf1c6fe7860008b49029275016c4ac97392f74

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

Filesize
348KB

MD5
42501e281de15d0331a70d0b34b94b8b

SHA1
c9ae2a74d0e25e0d2c4946917767d46d33e208cc

SHA256
b85d366a889518edf0a9899e2120de042965a72fc60c8795a2f9bd6eee96d58c

SHA512
aaea1b070c6560264d2875b7fb355820af4ceab172ff4c5a6b21d893ec4955419c7b673bedae66beae5626dbbacf1c6fe7860008b49029275016c4ac97392f74

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

Filesize
348KB

MD5
42501e281de15d0331a70d0b34b94b8b

SHA1
c9ae2a74d0e25e0d2c4946917767d46d33e208cc

SHA256
b85d366a889518edf0a9899e2120de042965a72fc60c8795a2f9bd6eee96d58c

SHA512
aaea1b070c6560264d2875b7fb355820af4ceab172ff4c5a6b21d893ec4955419c7b673bedae66beae5626dbbacf1c6fe7860008b49029275016c4ac97392f74

Download Submit
memory/1004-90-0x0000000000000000-mapping.dmp

Download
memory/1112-57-0x0000000000000000-mapping.dmp

Download
memory/1112-60-0x0000000001010000-0x000000000106E000-memory.dmp

Filesize
376KB

Download
memory/1504-54-0x0000000000FF0000-0x000000000102C000-memory.dmp

Filesize
240KB

Download
memory/1504-55-0x00000000768A1000-0x00000000768A3000-memory.dmp

Filesize
8KB

Download
memory/1504-62-0x0000000000B90000-0x0000000000BA2000-memory.dmp

Filesize
72KB

Download
memory/1740-70-0x000000000041E792-mapping.dmp

Download
memory/1740-82-0x0000000000450000-0x0000000000462000-memory.dmp

Filesize
72KB

Download
memory/1740-67-0x0000000000080000-0x00000000000FC000-memory.dmp

Filesize
496KB

Download
memory/1740-64-0x0000000000080000-0x00000000000FC000-memory.dmp

Filesize
496KB

Download
memory/1740-71-0x0000000000080000-0x00000000000FC000-memory.dmp

Filesize
496KB

Download
memory/1740-72-0x0000000000080000-0x00000000000FC000-memory.dmp

Filesize
496KB

Download
memory/1740-76-0x0000000000080000-0x00000000000FC000-memory.dmp

Filesize
496KB

Download
memory/1740-79-0x0000000000080000-0x00000000000FC000-memory.dmp

Filesize
496KB

Download
memory/1740-81-0x0000000000440000-0x000000000044A000-memory.dmp

Filesize
40KB

Download
memory/1740-66-0x0000000000080000-0x00000000000FC000-memory.dmp

Filesize
496KB

Download
memory/1740-83-0x0000000000570000-0x000000000058A000-memory.dmp

Filesize
104KB

Download
memory/1740-84-0x0000000000590000-0x00000000005A4000-memory.dmp

Filesize
80KB

Download
memory/1740-85-0x00000000005A0000-0x00000000005AE000-memory.dmp

Filesize
56KB

Download
memory/1740-86-0x00000000006B0000-0x00000000006CE000-memory.dmp

Filesize
120KB

Download
memory/1740-87-0x0000000000720000-0x000000000072A000-memory.dmp

Filesize
40KB

Download
memory/1740-88-0x0000000000780000-0x0000000000794000-memory.dmp

Filesize
80KB

Download
memory/1740-89-0x0000000000C00000-0x0000000000C2E000-memory.dmp

Filesize
184KB

Download
memory/1740-63-0x0000000000080000-0x00000000000FC000-memory.dmp

Filesize
496KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads