nanocore | 3507dd4118b87dcecb315684892df75af68bcfa1860a10f17309a76fecc45fda

Analysis

max time kernel
76s
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
30/09/2022, 07:24

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General

Target
Shaheed CV.exe
Size 941KB
Sample220930-h8dpcsdfhr
SHA256 3507dd4118b87dcecb315684892df75af68bcfa1860a10f17309a76fecc45fda
MD5 bea958c83d0aa73cdf2c72485c4d2fe8
SHA1 ffc8e9e84a7b7cb625bfebd041ce39ec0f20c573
SHA512 4e045fac70205fdb6e872fcda7e56aad993941c4b95b1ec468d9fec2281ebdfd7855dd67d2479c520fa029f5911007bf9b84dd501d0f9a9262097ff96b4eba6f
SSDEEP 12288:Z9F2iNf2kIE8Jk84Hr7KYuzfUGCfA1s5DL8cCG1ADqjJ5npVNFDlnl/9yHWWDdjI:Z9F1A28KrHuDwIs5DoFwjrp7
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

xp230522.ddns.net:1996

Mutex

99bdd317-26d2-4098-abcb-4bff156f262b

Attributes

activate_away_mode
true
backup_connection_host
xp230522.ddns.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-05-07T04:04:00.193503536Z
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
1996
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
99bdd317-26d2-4098-abcb-4bff156f262b
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
xp230522.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"	Shaheed CV.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	Shaheed CV.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4888 set thread context of 4260	4888	Shaheed CV.exe	92

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\DHCP Subsystem\dhcpss.exe	Shaheed CV.exe
File opened for modification	C:\Program Files (x86)\DHCP Subsystem\dhcpss.exe	Shaheed CV.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
1400	schtasks.exe
2180	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4888	Shaheed CV.exe
4888	Shaheed CV.exe
4260	Shaheed CV.exe
4260	Shaheed CV.exe
4260	Shaheed CV.exe
4260	Shaheed CV.exe
4260	Shaheed CV.exe
4260	Shaheed CV.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4260	Shaheed CV.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4888	Shaheed CV.exe
Token: SeDebugPrivilege	4260	Shaheed CV.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 4888 wrote to memory of 2060	4888	Shaheed CV.exe	91
PID 4888 wrote to memory of 2060	4888	Shaheed CV.exe	91
PID 4888 wrote to memory of 2060	4888	Shaheed CV.exe	91
PID 4888 wrote to memory of 4260	4888	Shaheed CV.exe	92
PID 4888 wrote to memory of 4260	4888	Shaheed CV.exe	92
PID 4888 wrote to memory of 4260	4888	Shaheed CV.exe	92
PID 4888 wrote to memory of 4260	4888	Shaheed CV.exe	92
PID 4888 wrote to memory of 4260	4888	Shaheed CV.exe	92
PID 4888 wrote to memory of 4260	4888	Shaheed CV.exe	92
PID 4888 wrote to memory of 4260	4888	Shaheed CV.exe	92
PID 4888 wrote to memory of 4260	4888	Shaheed CV.exe	92
PID 4260 wrote to memory of 1400	4260	Shaheed CV.exe	94
PID 4260 wrote to memory of 1400	4260	Shaheed CV.exe	94
PID 4260 wrote to memory of 1400	4260	Shaheed CV.exe	94
PID 4260 wrote to memory of 2180	4260	Shaheed CV.exe	96
PID 4260 wrote to memory of 2180	4260	Shaheed CV.exe	96
PID 4260 wrote to memory of 2180	4260	Shaheed CV.exe	96

C:\Users\Admin\AppData\Local\Temp\Shaheed CV.exe
"C:\Users\Admin\AppData\Local\Temp\Shaheed CV.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4888
- C:\Users\Admin\AppData\Local\Temp\Shaheed CV.exe
  "{path}"
  2⤵
  PID:2060
- C:\Users\Admin\AppData\Local\Temp\Shaheed CV.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
  - Suspicious use of WriteProcessMemory
  PID:4260
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "DHCP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp67E2.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:1400
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "DHCP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp687F.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:2180

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

Shaheed CV.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Shaheed CV.exe.log
Size 1KB
SHA256 b094cb1ef7da4d1a6ed0b9dc687619033e44b960f4be00652a46fe945398bc09
MD5 568cff9ba1570565b45bf9ef7e636f7f
SHA1 d07d800e4334c2566181d3fcf9d644512a5a992e
SHA512 623e2fc4ba85f3465744dcd3e52cfa9e83009d18d5a8f4239842b2ddd0b0c91cd447072f7844cd9e6f8ef571f38743b22820f5cc741f9e55823d241146f9830b
MD5 SHA1 SHA512

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tmp67E2.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp67E2.tmp
Size 1KB
SHA256 c3047f0d885b675b5a70ebce2336809feab8ddc685eee03309f9f726ddfa4f49
MD5 d48f566eec93c656b3b5333c24ea199e
SHA1 916f6940f164d5c4024d3f979a1fff32d4485cfa
SHA512 a72b66390c9720742090a7737cd893d8547cd5e83ab7ed65462b51f5fc701eba65509b1a56d15bc0f17d38879ac48cee0a67665f33b02dffbfa6de06433ee18d
MD5 SHA1 SHA512

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tmp687F.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp687F.tmp
Size 1KB
SHA256 99a158463ce40c750bad6991ae1fceece305a0dbf8e209dd7147b5d539756bfa
MD5 2f26d92c1eeead3896820e56ec46f6f1
SHA1 d95533b61eed7d89e4ada56bc566d60e42ac1f61
SHA512 6c1ed12d5e1afcd9e7f327e0153786fd8594f75a995f341c408ef014e69917452a9fe99c511f0249aceb57b3045b707f1fd3f404e4086cfbf0aadcb3318db892
MD5 SHA1 SHA512

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memory/4260-139-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/4260-145-0x0000000007170000-0x00000000071D6000-memory.dmp

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memory/4888-132-0x0000000000D60000-0x0000000000E50000-memory.dmp

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memory/4888-136-0x00000000057F0000-0x00000000057FA000-memory.dmp

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memory/4888-135-0x0000000005840000-0x00000000058DC000-memory.dmp

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memory/4888-134-0x00000000056B0000-0x0000000005742000-memory.dmp

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memory/4888-133-0x0000000005D50000-0x00000000062F4000-memory.dmp

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