nanocore | 535cd0a815cba9e42f83f54f256659be81ec735475e393d7a696eae64197d1f9

General

Target

f7a5ad596bd5d58585f8882331659e05.exe
Size

852KB
MD5

f7a5ad596bd5d58585f8882331659e05
SHA1

5db9d0e545b9a94dcfd89432518bc377d4cea07c
SHA256

535cd0a815cba9e42f83f54f256659be81ec735475e393d7a696eae64197d1f9
SHA512

791480ebcca0772980561496911c52b18ff429cb3c21f00e926fc004e85ae8b824f36f5d6f79ae0d4e7ca125b0c82b847a9cddd85c5619fc9e4118cc0b59b673
SSDEEP

12288:l/9ciMQJ7v8J2tD8gy4R1EDp0GRmuZbiTGBQ44I8yxCCLkg586aWHff:V9Z778Jp21E1Re+R4I8YCCB5O8f

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

tzitziklishop.ddns.net:1665

127.0.0.1:1665

Mutex

54c43eb3-9a5e-48cf-bbb9-9a65e46643a1

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-09-09T09:23:36.606577636Z
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
NOV282022
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
54c43eb3-9a5e-48cf-bbb9-9a65e46643a1
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

Processes:

f7a5ad596bd5d58585f8882331659e05.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\UPNP Monitor = "C:\\Program Files (x86)\\UPNP Monitor\\upnpmon.exe"	f7a5ad596bd5d58585f8882331659e05.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

f7a5ad596bd5d58585f8882331659e05.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	f7a5ad596bd5d58585f8882331659e05.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

f7a5ad596bd5d58585f8882331659e05.exe

description pid process target process

PID 2080 set thread context of 1708 2080 f7a5ad596bd5d58585f8882331659e05.exe f7a5ad596bd5d58585f8882331659e05.exe

description	pid	process	target process
PID 2080 set thread context of 1708	2080	f7a5ad596bd5d58585f8882331659e05.exe	f7a5ad596bd5d58585f8882331659e05.exe

Drops file in Program Files directory 2 IoCs

Processes:

f7a5ad596bd5d58585f8882331659e05.exe

description	ioc	process
File created	C:\Program Files (x86)\UPNP Monitor\upnpmon.exe	f7a5ad596bd5d58585f8882331659e05.exe
File opened for modification	C:\Program Files (x86)\UPNP Monitor\upnpmon.exe	f7a5ad596bd5d58585f8882331659e05.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

Processes:

schtasks.exeschtasks.exe

pid process

1164 schtasks.exe
4044 schtasks.exe

pid	process
1164	schtasks.exe
4044	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

f7a5ad596bd5d58585f8882331659e05.exe

pid	process
1708	f7a5ad596bd5d58585f8882331659e05.exe
1708	f7a5ad596bd5d58585f8882331659e05.exe
1708	f7a5ad596bd5d58585f8882331659e05.exe
1708	f7a5ad596bd5d58585f8882331659e05.exe
1708	f7a5ad596bd5d58585f8882331659e05.exe
1708	f7a5ad596bd5d58585f8882331659e05.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

f7a5ad596bd5d58585f8882331659e05.exe

pid process

1708 f7a5ad596bd5d58585f8882331659e05.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

f7a5ad596bd5d58585f8882331659e05.exe

description pid process

Token: SeDebugPrivilege 1708 f7a5ad596bd5d58585f8882331659e05.exe

description	pid	process
Token: SeDebugPrivilege	1708	f7a5ad596bd5d58585f8882331659e05.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

f7a5ad596bd5d58585f8882331659e05.exef7a5ad596bd5d58585f8882331659e05.exe

description	pid	process	target process
PID 2080 wrote to memory of 1708	2080	f7a5ad596bd5d58585f8882331659e05.exe	f7a5ad596bd5d58585f8882331659e05.exe
PID 2080 wrote to memory of 1708	2080	f7a5ad596bd5d58585f8882331659e05.exe	f7a5ad596bd5d58585f8882331659e05.exe
PID 2080 wrote to memory of 1708	2080	f7a5ad596bd5d58585f8882331659e05.exe	f7a5ad596bd5d58585f8882331659e05.exe
PID 2080 wrote to memory of 1708	2080	f7a5ad596bd5d58585f8882331659e05.exe	f7a5ad596bd5d58585f8882331659e05.exe
PID 2080 wrote to memory of 1708	2080	f7a5ad596bd5d58585f8882331659e05.exe	f7a5ad596bd5d58585f8882331659e05.exe
PID 2080 wrote to memory of 1708	2080	f7a5ad596bd5d58585f8882331659e05.exe	f7a5ad596bd5d58585f8882331659e05.exe
PID 2080 wrote to memory of 1708	2080	f7a5ad596bd5d58585f8882331659e05.exe	f7a5ad596bd5d58585f8882331659e05.exe
PID 2080 wrote to memory of 1708	2080	f7a5ad596bd5d58585f8882331659e05.exe	f7a5ad596bd5d58585f8882331659e05.exe
PID 1708 wrote to memory of 4044	1708	f7a5ad596bd5d58585f8882331659e05.exe	schtasks.exe
PID 1708 wrote to memory of 4044	1708	f7a5ad596bd5d58585f8882331659e05.exe	schtasks.exe
PID 1708 wrote to memory of 4044	1708	f7a5ad596bd5d58585f8882331659e05.exe	schtasks.exe
PID 1708 wrote to memory of 1164	1708	f7a5ad596bd5d58585f8882331659e05.exe	schtasks.exe
PID 1708 wrote to memory of 1164	1708	f7a5ad596bd5d58585f8882331659e05.exe	schtasks.exe
PID 1708 wrote to memory of 1164	1708	f7a5ad596bd5d58585f8882331659e05.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\f7a5ad596bd5d58585f8882331659e05.exe
"C:\Users\Admin\AppData\Local\Temp\f7a5ad596bd5d58585f8882331659e05.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2080

C:\Users\Admin\AppData\Local\Temp\f7a5ad596bd5d58585f8882331659e05.exe
"C:\Users\Admin\AppData\Local\Temp\f7a5ad596bd5d58585f8882331659e05.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:1708

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "UPNP Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmpB263.tmp"
3⤵
- Creates scheduled task(s)
PID:4044

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "UPNP Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpB8DC.tmp"
3⤵
- Creates scheduled task(s)
PID:1164

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\f7a5ad596bd5d58585f8882331659e05.exe.log
Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpB263.tmp
Filesize
1KB

MD5
e37b299da7744fd2320d02ea34841d23

SHA1
12733e31aad7951b297bff66b05b4eaaa7458618

SHA256
88bed0d477cb50c2be70f826ecdaa165ff5110801da8a1a6157a085afe9eebcf

SHA512
f1a211e4c2dc5d05cac349898229729672baa2da0d7463f66585b9fc1f740d24df87326d57d6f6a8241ac084709451cc5822f1739492c47c5f80c440897e396c

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpB8DC.tmp
Filesize
1KB

MD5
c9a4c783d2e18eea86e071de92f36f02

SHA1
4cb02db05386ccb70a23fa89dbadfddfc8f7b6af

SHA256
21d669a674eb23538f38f6822429d797e69e0685d18c0e6e03ec6801098b240a

SHA512
b6d5198d9ca83687fcc491c02ad8b417e02dff0150b514c3d39d13b8de9ffba6f3779ee7bb6350b087474fb6e0d1bd10b8fdd5c8f48a46c9cfd183d9045b80ef

Download Submit
memory/1164-142-0x0000000000000000-mapping.dmp

Download
memory/1708-137-0x0000000000000000-mapping.dmp

Download
memory/1708-138-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2080-132-0x0000000000F40000-0x000000000101C000-memory.dmp

Filesize
880KB

Download
memory/2080-133-0x0000000005EC0000-0x0000000006464000-memory.dmp

Filesize
5.6MB

Download
memory/2080-134-0x00000000059F0000-0x0000000005A82000-memory.dmp

Filesize
584KB

Download
memory/2080-135-0x00000000059D0000-0x00000000059DA000-memory.dmp

Filesize
40KB

Download
memory/2080-136-0x0000000007AD0000-0x0000000007B6C000-memory.dmp

Filesize
624KB

Download
memory/4044-140-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads