nanocore | 7f7afb406c8f911f21354b2ea60fd688ce8083ed0ab10156c6f3421d927d2fab

General

Target

PROOF OF PAYMENT.exe
Size

995KB
MD5

57090f9293d9a013c7ff7fb614681a46
SHA1

c477a883773decabc0518173b640045802fac0e8
SHA256

7f7afb406c8f911f21354b2ea60fd688ce8083ed0ab10156c6f3421d927d2fab
SHA512

398ec37b9927b59d8355d593bae50289e2ac40529cb34b788d25d0ffa92f443218494c84b91b6a498a3940d78538f6b9a579e26242bf5f4c5cdb7a4a972d3d3a

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

amechi.duckdns.org:3190

Mutex

0135833c-e6c6-4c75-bdfb-60bbf26ea921

Attributes

activate_away_mode
true
backup_connection_host
amechi.duckdns.org
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-10-31T10:31:42.509293536Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
3190
default_group
EYO LAKAKDON 2021
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
0135833c-e6c6-4c75-bdfb-60bbf26ea921
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
amechi.duckdns.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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

PROOF OF PAYMENT.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\SMTP Manager = "C:\\Program Files (x86)\\SMTP Manager\\smtpmgr.exe"	PROOF OF PAYMENT.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

PROOF OF PAYMENT.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA PROOF OF PAYMENT.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

PROOF OF PAYMENT.exe

description pid process target process

PID 740 set thread context of 2092 740 PROOF OF PAYMENT.exe PROOF OF PAYMENT.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	PROOF OF PAYMENT.exe

description	pid	process	target process
PID 740 set thread context of 2092	740	PROOF OF PAYMENT.exe	PROOF OF PAYMENT.exe

Drops file in Program Files directory 2 IoCs

Processes:

PROOF OF PAYMENT.exe

description	ioc	process
File created	C:\Program Files (x86)\SMTP Manager\smtpmgr.exe	PROOF OF PAYMENT.exe
File opened for modification	C:\Program Files (x86)\SMTP Manager\smtpmgr.exe	PROOF OF PAYMENT.exe

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

1492 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

PROOF OF PAYMENT.exe

pid process

2092 PROOF OF PAYMENT.exe
2092 PROOF OF PAYMENT.exe
2092 PROOF OF PAYMENT.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

PROOF OF PAYMENT.exe

pid process

2092 PROOF OF PAYMENT.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

PROOF OF PAYMENT.exe

description pid process

Token: SeDebugPrivilege 2092 PROOF OF PAYMENT.exe

pid	process
1492	schtasks.exe

pid	process
2092	PROOF OF PAYMENT.exe
2092	PROOF OF PAYMENT.exe
2092	PROOF OF PAYMENT.exe

pid	process
2092	PROOF OF PAYMENT.exe

description	pid	process
Token: SeDebugPrivilege	2092	PROOF OF PAYMENT.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

PROOF OF PAYMENT.exe

description	pid	process	target process
PID 740 wrote to memory of 1492	740	PROOF OF PAYMENT.exe	schtasks.exe
PID 740 wrote to memory of 1492	740	PROOF OF PAYMENT.exe	schtasks.exe
PID 740 wrote to memory of 1492	740	PROOF OF PAYMENT.exe	schtasks.exe
PID 740 wrote to memory of 2092	740	PROOF OF PAYMENT.exe	PROOF OF PAYMENT.exe
PID 740 wrote to memory of 2092	740	PROOF OF PAYMENT.exe	PROOF OF PAYMENT.exe
PID 740 wrote to memory of 2092	740	PROOF OF PAYMENT.exe	PROOF OF PAYMENT.exe
PID 740 wrote to memory of 2092	740	PROOF OF PAYMENT.exe	PROOF OF PAYMENT.exe
PID 740 wrote to memory of 2092	740	PROOF OF PAYMENT.exe	PROOF OF PAYMENT.exe
PID 740 wrote to memory of 2092	740	PROOF OF PAYMENT.exe	PROOF OF PAYMENT.exe
PID 740 wrote to memory of 2092	740	PROOF OF PAYMENT.exe	PROOF OF PAYMENT.exe
PID 740 wrote to memory of 2092	740	PROOF OF PAYMENT.exe	PROOF OF PAYMENT.exe

C:\Users\Admin\AppData\Local\Temp\PROOF OF PAYMENT.exe
"C:\Users\Admin\AppData\Local\Temp\PROOF OF PAYMENT.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:740

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RbJJtmpPB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1175.tmp"
2⤵
- Creates scheduled task(s)
PID:1492

C:\Users\Admin\AppData\Local\Temp\PROOF OF PAYMENT.exe
"{path}"
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:2092

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PROOF OF PAYMENT.exe.log
MD5
0c2899d7c6746f42d5bbe088c777f94c

SHA1
622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

SHA256
5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

SHA512
ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1175.tmp
MD5
9e3db8ac71e39597ccb23a3adaebf81b

SHA1
5e86c14b72ded9136ecc13b3c745aea885e94375

SHA256
08258f161efbf14f3b2ea91e12a4feb3ea8ed4aa27ac6a371d2e46d115354188

SHA512
f10ff9b5c6d3e04ba65c22de6569dc66c1ea238afe638c2523434450425c2a095c2bd84d13f2938acd23a7e494f2175a219924a08311156b52e51da805dbcad5

Download Submit
memory/740-11-0x0000000007540000-0x0000000007541000-memory.dmp

Filesize
4KB

Download
memory/740-3-0x0000000000770000-0x0000000000771000-memory.dmp

Filesize
4KB

Download
memory/740-7-0x0000000005080000-0x0000000005081000-memory.dmp

Filesize
4KB

Download
memory/740-8-0x0000000005160000-0x0000000005161000-memory.dmp

Filesize
4KB

Download
memory/740-9-0x00000000054C0000-0x00000000054CE000-memory.dmp

Filesize
56KB

Download
memory/740-10-0x0000000007440000-0x0000000007492000-memory.dmp

Filesize
328KB

Download
memory/740-2-0x0000000073EE0000-0x00000000745CE000-memory.dmp

Filesize
6.9MB

Download
memory/740-5-0x00000000054D0000-0x00000000054D1000-memory.dmp

Filesize
4KB

Download
memory/740-6-0x00000000050B0000-0x00000000050B1000-memory.dmp

Filesize
4KB

Download
memory/1492-12-0x0000000000000000-mapping.dmp

Download
memory/2092-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2092-15-0x000000000041E792-mapping.dmp

Download
memory/2092-17-0x0000000073EE0000-0x00000000745CE000-memory.dmp

Filesize
6.9MB

Download
memory/2092-24-0x0000000005690000-0x0000000005691000-memory.dmp

Filesize
4KB

Download
memory/2092-25-0x0000000005670000-0x0000000005675000-memory.dmp

Filesize
20KB

Download
memory/2092-26-0x0000000005820000-0x0000000005839000-memory.dmp

Filesize
100KB

Download
memory/2092-27-0x0000000005900000-0x0000000005903000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads