nanocore | d6215a4b16d74db6dafc28a78f15885de77570347acfbac416f18b223ba08e26

General

Target

b0876b8da9dcb8a3b22d2cbf2b6a4711.exe
Size

552KB
MD5

b0876b8da9dcb8a3b22d2cbf2b6a4711
SHA1

80e619da78e64bf6845f284c50bfacf17c55a274
SHA256

d6215a4b16d74db6dafc28a78f15885de77570347acfbac416f18b223ba08e26
SHA512

3b52e3aba69434d0b13e26b359f28493c303593bfdb254d86d3f91f7bfde8f318bb11ffb3a9ee26547ee389ef181eb61e863e2060f2a950f6ebf0af94d26a146

Score

10^/10

nanocore evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

asweee.jumpingcrab.com:8234

tryweaswweee.ydns.eu:8234

Mutex

0bb207a5-6f92-4ff1-abb5-35e0dc25fe5d

Attributes

activate_away_mode
true
backup_connection_host
tryweaswweee.ydns.eu
backup_dns_server
tryweaswweee.ydns.eu
buffer_size
65535
build_time
2021-05-02T14:48:34.703881636Z
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
8234
default_group
AUGUST
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
0bb207a5-6f92-4ff1-abb5-35e0dc25fe5d
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
asweee.jumpingcrab.com
primary_dns_server
asweee.jumpingcrab.com
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
true
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

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

b0876b8da9dcb8a3b22d2cbf2b6a4711.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	b0876b8da9dcb8a3b22d2cbf2b6a4711.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

b0876b8da9dcb8a3b22d2cbf2b6a4711.exe

description pid process target process

PID 632 set thread context of 2940 632 b0876b8da9dcb8a3b22d2cbf2b6a4711.exe b0876b8da9dcb8a3b22d2cbf2b6a4711.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

768 schtasks.exe

description	pid	process	target process
PID 632 set thread context of 2940	632	b0876b8da9dcb8a3b22d2cbf2b6a4711.exe	b0876b8da9dcb8a3b22d2cbf2b6a4711.exe

pid	process
768	schtasks.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

Processes:

b0876b8da9dcb8a3b22d2cbf2b6a4711.exeb0876b8da9dcb8a3b22d2cbf2b6a4711.exe

pid	process
632	b0876b8da9dcb8a3b22d2cbf2b6a4711.exe
632	b0876b8da9dcb8a3b22d2cbf2b6a4711.exe
632	b0876b8da9dcb8a3b22d2cbf2b6a4711.exe
632	b0876b8da9dcb8a3b22d2cbf2b6a4711.exe
632	b0876b8da9dcb8a3b22d2cbf2b6a4711.exe
632	b0876b8da9dcb8a3b22d2cbf2b6a4711.exe
632	b0876b8da9dcb8a3b22d2cbf2b6a4711.exe
632	b0876b8da9dcb8a3b22d2cbf2b6a4711.exe
632	b0876b8da9dcb8a3b22d2cbf2b6a4711.exe
632	b0876b8da9dcb8a3b22d2cbf2b6a4711.exe
2940	b0876b8da9dcb8a3b22d2cbf2b6a4711.exe
2940	b0876b8da9dcb8a3b22d2cbf2b6a4711.exe
2940	b0876b8da9dcb8a3b22d2cbf2b6a4711.exe
2940	b0876b8da9dcb8a3b22d2cbf2b6a4711.exe
2940	b0876b8da9dcb8a3b22d2cbf2b6a4711.exe
2940	b0876b8da9dcb8a3b22d2cbf2b6a4711.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

b0876b8da9dcb8a3b22d2cbf2b6a4711.exe

pid process

2940 b0876b8da9dcb8a3b22d2cbf2b6a4711.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

b0876b8da9dcb8a3b22d2cbf2b6a4711.exeb0876b8da9dcb8a3b22d2cbf2b6a4711.exe

description pid process

Token: SeDebugPrivilege 632 b0876b8da9dcb8a3b22d2cbf2b6a4711.exe
Token: SeDebugPrivilege 2940 b0876b8da9dcb8a3b22d2cbf2b6a4711.exe

pid	process
2940	b0876b8da9dcb8a3b22d2cbf2b6a4711.exe

description	pid	process
Token: SeDebugPrivilege	632	b0876b8da9dcb8a3b22d2cbf2b6a4711.exe
Token: SeDebugPrivilege	2940	b0876b8da9dcb8a3b22d2cbf2b6a4711.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

b0876b8da9dcb8a3b22d2cbf2b6a4711.exeb0876b8da9dcb8a3b22d2cbf2b6a4711.exe

C:\Users\Admin\AppData\Local\Temp\b0876b8da9dcb8a3b22d2cbf2b6a4711.exe
"C:\Users\Admin\AppData\Local\Temp\b0876b8da9dcb8a3b22d2cbf2b6a4711.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:632

C:\Users\Admin\AppData\Local\Temp\b0876b8da9dcb8a3b22d2cbf2b6a4711.exe
C:\Users\Admin\AppData\Local\Temp\b0876b8da9dcb8a3b22d2cbf2b6a4711.exe
2⤵
PID:184

C:\Users\Admin\AppData\Local\Temp\b0876b8da9dcb8a3b22d2cbf2b6a4711.exe
C:\Users\Admin\AppData\Local\Temp\b0876b8da9dcb8a3b22d2cbf2b6a4711.exe
2⤵
PID:3580

C:\Users\Admin\AppData\Local\Temp\b0876b8da9dcb8a3b22d2cbf2b6a4711.exe
C:\Users\Admin\AppData\Local\Temp\b0876b8da9dcb8a3b22d2cbf2b6a4711.exe
2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2940

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "UPNP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1D2D.tmp"
3⤵
- Creates scheduled task(s)
PID:768

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\b0876b8da9dcb8a3b22d2cbf2b6a4711.exe.log
MD5
9e7845217df4a635ec4341c3d52ed685

SHA1
d65cb39d37392975b038ce503a585adadb805da5

SHA256
d60e596ed3d5c13dc9f1660e6d870d99487e1383891437645c4562a9ecaa8c9b

SHA512
307c3b4d4f2655bdeb177e7b9c981ca27513618903f02c120caa755c9da5a8dd03ebab660b56108a680720a97c1e9596692490aede18cc4bd77b9fc3d8e68aa1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1D2D.tmp
MD5
4e5f6cfdbfd4c5f38cbbc0166c0c5904

SHA1
dccd07be924c706810eb0dedf89d8464dfe8e15d

SHA256
ae8e86367fbfaadef8a7c43b61630da8bbacad62aeea561a8bc966cd4bbc377a

SHA512
8261d46a3348c5bceabb49ece838801205df9436ec59774a2fb051b886701bd593fe7b820750f68e7afc2e47ad559ff3ebc7bff425d7d0b6cae5379edd181356

Download Submit
memory/632-116-0x0000000005750000-0x0000000005751000-memory.dmp

Filesize
4KB

Download
memory/632-117-0x0000000005250000-0x0000000005251000-memory.dmp

Filesize
4KB

Download
memory/632-118-0x0000000002D30000-0x0000000002D31000-memory.dmp

Filesize
4KB

Download
memory/632-119-0x00000000051F0000-0x00000000051F1000-memory.dmp

Filesize
4KB

Download
memory/632-120-0x0000000007550000-0x00000000075AF000-memory.dmp

Filesize
380KB

Download
memory/632-125-0x0000000007870000-0x00000000078D2000-memory.dmp

Filesize
392KB

Download
memory/632-114-0x0000000000920000-0x0000000000921000-memory.dmp

Filesize
4KB

Download
memory/768-135-0x0000000000000000-mapping.dmp

Download
memory/2940-138-0x0000000005A70000-0x0000000005A89000-memory.dmp

Filesize
100KB

Download
memory/2940-143-0x0000000007150000-0x0000000007156000-memory.dmp

Filesize
24KB

Download
memory/2940-127-0x000000000041E792-mapping.dmp

Download
memory/2940-137-0x00000000058A0000-0x00000000058A5000-memory.dmp

Filesize
20KB

Download
memory/2940-126-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2940-139-0x0000000005CF0000-0x0000000005CF3000-memory.dmp

Filesize
12KB

Download
memory/2940-140-0x0000000005810000-0x0000000005D0E000-memory.dmp

Filesize
5.0MB

Download
memory/2940-141-0x0000000005D00000-0x0000000005D0D000-memory.dmp

Filesize
52KB

Download
memory/2940-142-0x0000000007110000-0x0000000007125000-memory.dmp

Filesize
84KB

Download
memory/2940-133-0x0000000005950000-0x0000000005951000-memory.dmp

Filesize
4KB

Download
memory/2940-144-0x0000000007160000-0x000000000716C000-memory.dmp

Filesize
48KB

Download
memory/2940-145-0x0000000007170000-0x0000000007177000-memory.dmp

Filesize
28KB

Download
memory/2940-146-0x0000000007180000-0x0000000007186000-memory.dmp

Filesize
24KB

Download
memory/2940-147-0x0000000007190000-0x000000000719D000-memory.dmp

Filesize
52KB

Download
memory/2940-148-0x00000000071A0000-0x00000000071A9000-memory.dmp

Filesize
36KB

Download
memory/2940-149-0x00000000071B0000-0x00000000071BF000-memory.dmp

Filesize
60KB

Download
memory/2940-150-0x00000000071D0000-0x00000000071DA000-memory.dmp

Filesize
40KB

Download
memory/2940-151-0x00000000071E0000-0x0000000007209000-memory.dmp

Filesize
164KB

Download
memory/2940-152-0x0000000007220000-0x000000000722F000-memory.dmp

Filesize
60KB

Download
memory/2940-153-0x0000000007410000-0x0000000007411000-memory.dmp

Filesize
4KB

Download

description	pid	process	target process
PID 632 wrote to memory of 184	632	b0876b8da9dcb8a3b22d2cbf2b6a4711.exe	b0876b8da9dcb8a3b22d2cbf2b6a4711.exe
PID 632 wrote to memory of 184	632	b0876b8da9dcb8a3b22d2cbf2b6a4711.exe	b0876b8da9dcb8a3b22d2cbf2b6a4711.exe
PID 632 wrote to memory of 184	632	b0876b8da9dcb8a3b22d2cbf2b6a4711.exe	b0876b8da9dcb8a3b22d2cbf2b6a4711.exe
PID 632 wrote to memory of 3580	632	b0876b8da9dcb8a3b22d2cbf2b6a4711.exe	b0876b8da9dcb8a3b22d2cbf2b6a4711.exe
PID 632 wrote to memory of 3580	632	b0876b8da9dcb8a3b22d2cbf2b6a4711.exe	b0876b8da9dcb8a3b22d2cbf2b6a4711.exe
PID 632 wrote to memory of 3580	632	b0876b8da9dcb8a3b22d2cbf2b6a4711.exe	b0876b8da9dcb8a3b22d2cbf2b6a4711.exe
PID 632 wrote to memory of 2940	632	b0876b8da9dcb8a3b22d2cbf2b6a4711.exe	b0876b8da9dcb8a3b22d2cbf2b6a4711.exe
PID 632 wrote to memory of 2940	632	b0876b8da9dcb8a3b22d2cbf2b6a4711.exe	b0876b8da9dcb8a3b22d2cbf2b6a4711.exe
PID 632 wrote to memory of 2940	632	b0876b8da9dcb8a3b22d2cbf2b6a4711.exe	b0876b8da9dcb8a3b22d2cbf2b6a4711.exe
PID 632 wrote to memory of 2940	632	b0876b8da9dcb8a3b22d2cbf2b6a4711.exe	b0876b8da9dcb8a3b22d2cbf2b6a4711.exe
PID 632 wrote to memory of 2940	632	b0876b8da9dcb8a3b22d2cbf2b6a4711.exe	b0876b8da9dcb8a3b22d2cbf2b6a4711.exe
PID 632 wrote to memory of 2940	632	b0876b8da9dcb8a3b22d2cbf2b6a4711.exe	b0876b8da9dcb8a3b22d2cbf2b6a4711.exe
PID 632 wrote to memory of 2940	632	b0876b8da9dcb8a3b22d2cbf2b6a4711.exe	b0876b8da9dcb8a3b22d2cbf2b6a4711.exe
PID 632 wrote to memory of 2940	632	b0876b8da9dcb8a3b22d2cbf2b6a4711.exe	b0876b8da9dcb8a3b22d2cbf2b6a4711.exe
PID 2940 wrote to memory of 768	2940	b0876b8da9dcb8a3b22d2cbf2b6a4711.exe	schtasks.exe
PID 2940 wrote to memory of 768	2940	b0876b8da9dcb8a3b22d2cbf2b6a4711.exe	schtasks.exe
PID 2940 wrote to memory of 768	2940	b0876b8da9dcb8a3b22d2cbf2b6a4711.exe	schtasks.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads