nanocore | d4033853aaf8943cc42925d689bf1693c629faa668cdf79469d64a04a2c28250

General

Target
Payment transfer copy.exe
Size 970KB
Sample221210-ktbbssaa4s
SHA256 d4033853aaf8943cc42925d689bf1693c629faa668cdf79469d64a04a2c28250
MD5 c9a0be18b88fd741fe6328f4796e6047
SHA1 f748569d8abc4f63ba2e13e61221b6f539340f13
SHA512 b61bc8fb1a83626fb0852de19dcef1fffae76ff1085216400f31178b7a6479ca738f6bb2ca9b8871f0bded0bdd9aba65d25e74521eec212f4460772f99bb57d3
SSDEEP 24576:HG4kl98D7duOMscbOa91hgGAQPphZmBH8:tk38D7dupbbdyuhSH
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

zafar101.duckdns.org:8779

Mutex

f3e2761c-8ffb-415b-b6b5-024a2ef9ff3e

Attributes

activate_away_mode
true
backup_connection_host
zafar101.duckdns.org
backup_dns_server
zafar101.duckdns.org
buffer_size
65535
build_time
2022-08-13T10:33:19.772981836Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
8779
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
f3e2761c-8ffb-415b-b6b5-024a2ef9ff3e
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
zafar101.duckdns.org
primary_dns_server
zafar101.duckdns.org
request_elevation
false
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

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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DSL Manager = "C:\\Program Files (x86)\\DSL Manager\\dslmgr.exe"	Payment transfer copy.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	Payment transfer copy.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4456 set thread context of 2824	4456	Payment transfer copy.exe	85

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\DSL Manager\dslmgr.exe	Payment transfer copy.exe
File opened for modification	C:\Program Files (x86)\DSL Manager\dslmgr.exe	Payment transfer copy.exe

Creates scheduled task(s) 1 TTPs 2 IoCs

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

persistence

Scheduled Task

T1053

pid	Process
3456	schtasks.exe
1384	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2824	Payment transfer copy.exe
2824	Payment transfer copy.exe
2824	Payment transfer copy.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2824	Payment transfer copy.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2824	Payment transfer copy.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4456 wrote to memory of 2824	4456	Payment transfer copy.exe	85
PID 4456 wrote to memory of 2824	4456	Payment transfer copy.exe	85
PID 4456 wrote to memory of 2824	4456	Payment transfer copy.exe	85
PID 4456 wrote to memory of 2824	4456	Payment transfer copy.exe	85
PID 4456 wrote to memory of 2824	4456	Payment transfer copy.exe	85
PID 4456 wrote to memory of 2824	4456	Payment transfer copy.exe	85
PID 4456 wrote to memory of 2824	4456	Payment transfer copy.exe	85
PID 4456 wrote to memory of 2824	4456	Payment transfer copy.exe	85
PID 2824 wrote to memory of 3456	2824	Payment transfer copy.exe	86
PID 2824 wrote to memory of 3456	2824	Payment transfer copy.exe	86
PID 2824 wrote to memory of 3456	2824	Payment transfer copy.exe	86
PID 2824 wrote to memory of 1384	2824	Payment transfer copy.exe	89
PID 2824 wrote to memory of 1384	2824	Payment transfer copy.exe	89
PID 2824 wrote to memory of 1384	2824	Payment transfer copy.exe	89

C:\Users\Admin\AppData\Local\Temp\Payment transfer copy.exe
"C:\Users\Admin\AppData\Local\Temp\Payment transfer copy.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4456
- C:\Users\Admin\AppData\Local\Temp\Payment transfer copy.exe
  "C:\Users\Admin\AppData\Local\Temp\Payment transfer copy.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
  - Suspicious use of WriteProcessMemory
  PID:2824
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "DSL Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmp95F2.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:3456
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "DSL Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC1A6.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:1384

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

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

Payment transfer copy.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Payment transfer copy.exe.log
Size 1KB
SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
MD5 8ec831f3e3a3f77e4a7b9cd32b48384c
SHA1 d83f09fd87c5bd86e045873c231c14836e76a05c
SHA512 26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
MD5 SHA1 SHA512

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tmpC1A6.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpC1A6.tmp
Size 1KB
SHA256 099c4a82d8e8ddf5ff801a8f08fb5a143834506e936ce846b380a42eb24e888e
MD5 a0bcaf1694d4fcae2c44258530850f35
SHA1 99e9ccea3a9dca8d94808f6488fdc37c0b3bfe73
SHA512 ad3f2fbc09f7d57c24a35a62f00251c93d480e065f3b7fbc7133736cb144a3031fdc9f3e8be8a1c6dcdb8b3def654618faab416f66a28628ab71e55de4df0da3
MD5 SHA1 SHA512

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memory/2824-138-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/4456-132-0x0000000000EE0000-0x0000000000FD8000-memory.dmp

Download

memory/4456-133-0x0000000006000000-0x00000000065A4000-memory.dmp

Download

memory/4456-134-0x0000000005950000-0x00000000059E2000-memory.dmp

Download

memory/4456-135-0x00000000059F0000-0x00000000059FA000-memory.dmp

Download

memory/4456-136-0x00000000069A0000-0x0000000006A3C000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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