nanocore | 63f1b1f0716f8142cf1813ee7ad309d2a944fc2b22d1f43eeb2fe91c78a53c36

Analysis

max time kernel
106s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
27/10/2022, 08:31

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General

Target
e82e00e4203bbee528f9255347a0bbef.exe
Size 956KB
Sample221027-keqg6sbehp
SHA256 63f1b1f0716f8142cf1813ee7ad309d2a944fc2b22d1f43eeb2fe91c78a53c36
MD5 e82e00e4203bbee528f9255347a0bbef
SHA1 5feefb4a2f5a903d6862c0b3836602a4259f249a
SHA512 43ed9dec0e20a4bce398209dd608858aa93ecbcde5005815bde493d9f1fd3577d09d4b772035d8eb82ba86c6182356a9a940d6f195708e5385a3144cf3a975e1
SSDEEP 12288:eHV/TeLJ7YwQp98+TE6HiNEKSOEX7iDn4wRIRZs4/UErW1j4xpMih:elTHpW+YBuKSVXyIRp8Eipi
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

tzitziklishop.ddns.net:1665

Mutex

f6041bb2-7c7b-4774-acc8-84a131b635ab

Attributes

activate_away_mode
true
backup_connection_host
tzitziklishop.ddns.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-07-22T04:21:36.365135136Z
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
1665
default_group
OCTOBER
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
f6041bb2-7c7b-4774-acc8-84a131b635ab
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
tzitziklishop.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\DHCP Subsystem = "C:\\Program Files (x86)\\DHCP Subsystem\\dhcpss.exe"	e82e00e4203bbee528f9255347a0bbef.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	e82e00e4203bbee528f9255347a0bbef.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1504 set thread context of 4380	1504	e82e00e4203bbee528f9255347a0bbef.exe	93

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\DHCP Subsystem\dhcpss.exe	e82e00e4203bbee528f9255347a0bbef.exe
File opened for modification	C:\Program Files (x86)\DHCP Subsystem\dhcpss.exe	e82e00e4203bbee528f9255347a0bbef.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
1708	schtasks.exe
4252	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1504	e82e00e4203bbee528f9255347a0bbef.exe
1504	e82e00e4203bbee528f9255347a0bbef.exe
4380	e82e00e4203bbee528f9255347a0bbef.exe
4380	e82e00e4203bbee528f9255347a0bbef.exe
4380	e82e00e4203bbee528f9255347a0bbef.exe
4380	e82e00e4203bbee528f9255347a0bbef.exe
4380	e82e00e4203bbee528f9255347a0bbef.exe
4380	e82e00e4203bbee528f9255347a0bbef.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4380	e82e00e4203bbee528f9255347a0bbef.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1504	e82e00e4203bbee528f9255347a0bbef.exe
Token: SeDebugPrivilege	4380	e82e00e4203bbee528f9255347a0bbef.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1504 wrote to memory of 4648	1504	e82e00e4203bbee528f9255347a0bbef.exe	92
PID 1504 wrote to memory of 4648	1504	e82e00e4203bbee528f9255347a0bbef.exe	92
PID 1504 wrote to memory of 4648	1504	e82e00e4203bbee528f9255347a0bbef.exe	92
PID 1504 wrote to memory of 4380	1504	e82e00e4203bbee528f9255347a0bbef.exe	93
PID 1504 wrote to memory of 4380	1504	e82e00e4203bbee528f9255347a0bbef.exe	93
PID 1504 wrote to memory of 4380	1504	e82e00e4203bbee528f9255347a0bbef.exe	93
PID 1504 wrote to memory of 4380	1504	e82e00e4203bbee528f9255347a0bbef.exe	93
PID 1504 wrote to memory of 4380	1504	e82e00e4203bbee528f9255347a0bbef.exe	93
PID 1504 wrote to memory of 4380	1504	e82e00e4203bbee528f9255347a0bbef.exe	93
PID 1504 wrote to memory of 4380	1504	e82e00e4203bbee528f9255347a0bbef.exe	93
PID 1504 wrote to memory of 4380	1504	e82e00e4203bbee528f9255347a0bbef.exe	93
PID 4380 wrote to memory of 1708	4380	e82e00e4203bbee528f9255347a0bbef.exe	94
PID 4380 wrote to memory of 1708	4380	e82e00e4203bbee528f9255347a0bbef.exe	94
PID 4380 wrote to memory of 1708	4380	e82e00e4203bbee528f9255347a0bbef.exe	94
PID 4380 wrote to memory of 4252	4380	e82e00e4203bbee528f9255347a0bbef.exe	96
PID 4380 wrote to memory of 4252	4380	e82e00e4203bbee528f9255347a0bbef.exe	96
PID 4380 wrote to memory of 4252	4380	e82e00e4203bbee528f9255347a0bbef.exe	96

C:\Users\Admin\AppData\Local\Temp\e82e00e4203bbee528f9255347a0bbef.exe
"C:\Users\Admin\AppData\Local\Temp\e82e00e4203bbee528f9255347a0bbef.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1504
- C:\Users\Admin\AppData\Local\Temp\e82e00e4203bbee528f9255347a0bbef.exe
  "C:\Users\Admin\AppData\Local\Temp\e82e00e4203bbee528f9255347a0bbef.exe"
  2⤵
  PID:4648
- C:\Users\Admin\AppData\Local\Temp\e82e00e4203bbee528f9255347a0bbef.exe
  "C:\Users\Admin\AppData\Local\Temp\e82e00e4203bbee528f9255347a0bbef.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:4380
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "DHCP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp7659.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:1708
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "DHCP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp76F6.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:4252

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

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Downloads

e82e00e4203bbee528f9255347a0bbef.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\e82e00e4203bbee528f9255347a0bbef.exe.log
Size 1KB
SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
MD5 8ec831f3e3a3f77e4a7b9cd32b48384c
SHA1 d83f09fd87c5bd86e045873c231c14836e76a05c
SHA512 26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
MD5 SHA1 SHA512

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tmp7659.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp7659.tmp
Size 1KB
SHA256 fb868d8cc31515423ae44415c6ec513622538416716cc9d7ef445431db483a21
MD5 42516632ad1f30679e16a5d674312695
SHA1 91526329b789b999c7ce8d9abc6064bdfa98d760
SHA512 455785a8b0df0655add3df4bcbbd91558b7338e02df59b3da801b7a224fc72818d263d6801eceb6583c97557dc111873523f511116aa7fd73bf768f11a06e23e
MD5 SHA1 SHA512

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tmp76F6.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp76F6.tmp
Size 1KB
SHA256 99a158463ce40c750bad6991ae1fceece305a0dbf8e209dd7147b5d539756bfa
MD5 2f26d92c1eeead3896820e56ec46f6f1
SHA1 d95533b61eed7d89e4ada56bc566d60e42ac1f61
SHA512 6c1ed12d5e1afcd9e7f327e0153786fd8594f75a995f341c408ef014e69917452a9fe99c511f0249aceb57b3045b707f1fd3f404e4086cfbf0aadcb3318db892
MD5 SHA1 SHA512

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memory/1504-133-0x0000000005270000-0x0000000005814000-memory.dmp

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memory/1504-134-0x0000000004B80000-0x0000000004C12000-memory.dmp

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memory/1504-135-0x0000000004B70000-0x0000000004B7A000-memory.dmp

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memory/1504-136-0x0000000006DC0000-0x0000000006E5C000-memory.dmp

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memory/1504-132-0x00000000000C0000-0x00000000001B6000-memory.dmp

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memory/4380-139-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/4380-145-0x0000000007290000-0x00000000072F6000-memory.dmp

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