nanocore | ed627832d80a82faf49c5a61bf7fef509f4860889ece7d18388ecbe2110f7dc6

Analysis

max time kernel
76s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
24/08/2022, 15:55

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
bffdc84d26634c8e5088b2a5bf1c88cb.exe
Size 728KB
Sample220824-tcsdesggb7
SHA256 ed627832d80a82faf49c5a61bf7fef509f4860889ece7d18388ecbe2110f7dc6
MD5 bffdc84d26634c8e5088b2a5bf1c88cb
SHA1 ffd583fcbb2348f1bc015b95d46ad5de8875eb61
SHA512 bcb4715b94d7e502ac2ec554231c1156a6c4a9d013d017f2d0d5456b1e70f7df7f135d36a2463d67346381e235d3a9e3ef3c255f6eb4fbb8c6d934d864bb6517
SSDEEP 12288:SwnO5l7Tu3XDG2YAq/y2fIA4cBWJIIZXKrsXcwRNMS58q7bapSiAnHOtoWKQMRc0:9O5Z4G27qKfGWJII8A7nMS5h7bLutPKQ
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

kasawulli845.ddns.net:5211
127.0.0.1:5211

Mutex

d4cfd040-7e1e-457d-bd2d-3dc785b0760c

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-05-29T06:31:10.522487936Z
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
5211
default_group
AUGFILE
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
d4cfd040-7e1e-457d-bd2d-3dc785b0760c
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
kasawulli845.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

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\DOS Host = "C:\\Program Files (x86)\\DOS Host\\doshost.exe"	bffdc84d26634c8e5088b2a5bf1c88cb.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	bffdc84d26634c8e5088b2a5bf1c88cb.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3216 set thread context of 4800	3216	bffdc84d26634c8e5088b2a5bf1c88cb.exe	100

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\DOS Host\doshost.exe	bffdc84d26634c8e5088b2a5bf1c88cb.exe
File created	C:\Program Files (x86)\DOS Host\doshost.exe	bffdc84d26634c8e5088b2a5bf1c88cb.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
3432	schtasks.exe
3276	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4800	bffdc84d26634c8e5088b2a5bf1c88cb.exe
4800	bffdc84d26634c8e5088b2a5bf1c88cb.exe
4800	bffdc84d26634c8e5088b2a5bf1c88cb.exe
4800	bffdc84d26634c8e5088b2a5bf1c88cb.exe
4800	bffdc84d26634c8e5088b2a5bf1c88cb.exe
4800	bffdc84d26634c8e5088b2a5bf1c88cb.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4800	bffdc84d26634c8e5088b2a5bf1c88cb.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4800	bffdc84d26634c8e5088b2a5bf1c88cb.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3216 wrote to memory of 4800	3216	bffdc84d26634c8e5088b2a5bf1c88cb.exe	100
PID 3216 wrote to memory of 4800	3216	bffdc84d26634c8e5088b2a5bf1c88cb.exe	100
PID 3216 wrote to memory of 4800	3216	bffdc84d26634c8e5088b2a5bf1c88cb.exe	100
PID 3216 wrote to memory of 4800	3216	bffdc84d26634c8e5088b2a5bf1c88cb.exe	100
PID 3216 wrote to memory of 4800	3216	bffdc84d26634c8e5088b2a5bf1c88cb.exe	100
PID 3216 wrote to memory of 4800	3216	bffdc84d26634c8e5088b2a5bf1c88cb.exe	100
PID 3216 wrote to memory of 4800	3216	bffdc84d26634c8e5088b2a5bf1c88cb.exe	100
PID 3216 wrote to memory of 4800	3216	bffdc84d26634c8e5088b2a5bf1c88cb.exe	100
PID 4800 wrote to memory of 3432	4800	bffdc84d26634c8e5088b2a5bf1c88cb.exe	101
PID 4800 wrote to memory of 3432	4800	bffdc84d26634c8e5088b2a5bf1c88cb.exe	101
PID 4800 wrote to memory of 3432	4800	bffdc84d26634c8e5088b2a5bf1c88cb.exe	101
PID 4800 wrote to memory of 3276	4800	bffdc84d26634c8e5088b2a5bf1c88cb.exe	103
PID 4800 wrote to memory of 3276	4800	bffdc84d26634c8e5088b2a5bf1c88cb.exe	103
PID 4800 wrote to memory of 3276	4800	bffdc84d26634c8e5088b2a5bf1c88cb.exe	103

C:\Users\Admin\AppData\Local\Temp\bffdc84d26634c8e5088b2a5bf1c88cb.exe
"C:\Users\Admin\AppData\Local\Temp\bffdc84d26634c8e5088b2a5bf1c88cb.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3216
- C:\Users\Admin\AppData\Local\Temp\bffdc84d26634c8e5088b2a5bf1c88cb.exe
  "C:\Users\Admin\AppData\Local\Temp\bffdc84d26634c8e5088b2a5bf1c88cb.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:4800
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "DOS Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmpB2E5.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:3432
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "DOS Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpB392.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:3276

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

bffdc84d26634c8e5088b2a5bf1c88cb.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\bffdc84d26634c8e5088b2a5bf1c88cb.exe.log
Size 1KB
SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
MD5 8ec831f3e3a3f77e4a7b9cd32b48384c
SHA1 d83f09fd87c5bd86e045873c231c14836e76a05c
SHA512 26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
MD5 SHA1 SHA512

Submit Download

tmpB2E5.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpB2E5.tmp
Size 1KB
SHA256 38cd1a012fd390dcf1877fb66918bd49ac403a69ad0c109152259a62f68c9d24
MD5 84e8ec7f9f6b35be20d349e582a88016
SHA1 746f4f69bbc410732f80ddcc738e966603e78125
SHA512 497be1e6f38905a64ac35107b6da79af20c2c1298bef65a5f2df33062b0ce84fb21d0481281098f9c41e95e58557730a9bdc57153984cb8d0dab6091074c600e
MD5 SHA1 SHA512

Submit Download

tmpB392.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpB392.tmp
Size 1KB
SHA256 edb658b6577a80126eaacdf2a566755b63d7b2438fe0bcf3aea83930036811f3
MD5 e380299eb53398115b7125b2b75c4798
SHA1 ee59b86ea0abf4097ff94bd940521c583803b036
SHA512 d9e3f3b1370fe4fce4a631a5d0669cef34bfe83dec146b606eff562c7cc450639304a732104f425a7ccfdded58064f28a98434a59ed8d93b595d64d1e1a2dde1
MD5 SHA1 SHA512

Submit Download

memory/3216-135-0x0000000005770000-0x000000000577A000-memory.dmp

Download

memory/3216-136-0x0000000008010000-0x00000000080AC000-memory.dmp

Download

memory/3216-132-0x0000000000D00000-0x0000000000DB8000-memory.dmp

Download

memory/3216-134-0x00000000057F0000-0x0000000005882000-memory.dmp

Download

memory/3216-133-0x0000000005DA0000-0x0000000006344000-memory.dmp

Download

memory/4800-138-0x0000000000400000-0x0000000000438000-memory.dmp

Download

memory/4800-144-0x0000000007150000-0x00000000071B6000-memory.dmp

Download