nanocore | 1bc9fc8588f7db4618c9a65e672f3ee0e1bc15f4265b727b75c5a22f1d7b54d5

General

Target

SecuriteInfo.com.W32.MSIL_Kryptik.DSR.gen.Eldorado.17895.exe
Size

1.5MB
MD5

3f2e73870793bf2c359618739bd46d7d
SHA1

2b484126a9f2239de3485bb517b6c12a144c1a1f
SHA256

1bc9fc8588f7db4618c9a65e672f3ee0e1bc15f4265b727b75c5a22f1d7b54d5
SHA512

db98cfba58b208c5556d527c7082e573f2557395901c6a6a284ce848f7a2037aee2eda04d1940d1f79b7f24bf4d32e5ea7c45982eb8a10e5d9d7e556346dce25
SSDEEP

49152:CBl7s9Cp4wu/OlghWTt2Ruus3lVrguSzlreQ:sl7s9CpRuWlghKt4/sPg1pSQ

Score

10^/10

nanocore keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

godisgood1.hopto.org:7712

185.225.73.164:7712

Mutex

bcd7727e-ef56-4958-8ed9-949f5c5ea8f6

Attributes

activate_away_mode
true
backup_connection_host
185.225.73.164
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-05-24T09:37:49.129028236Z
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
7712
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
bcd7727e-ef56-4958-8ed9-949f5c5ea8f6
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
godisgood1.hopto.org
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
Executes dropped EXE 1 IoCs

Processes:

bil.exe

pid process

2232 bil.exe

pid	process
2232	bil.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

reg.exeInstallUtil.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bil = "C:\\Users\\Admin\\AppData\\Local\\bil.exe"	reg.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DDP Manager = "C:\\Program Files (x86)\\DDP Manager\\ddpmgr.exe"	InstallUtil.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

bil.exe

description pid process target process

PID 2232 set thread context of 1348 2232 bil.exe InstallUtil.exe

description	pid	process	target process
PID 2232 set thread context of 1348	2232	bil.exe	InstallUtil.exe

Drops file in Program Files directory 2 IoCs

Processes:

InstallUtil.exe

description	ioc	process
File created	C:\Program Files (x86)\DDP Manager\ddpmgr.exe	InstallUtil.exe
File opened for modification	C:\Program Files (x86)\DDP Manager\ddpmgr.exe	InstallUtil.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

2820 schtasks.exe
4116 schtasks.exe
Runs ping.exe 1 TTPs 3 IoCs

Remote System Discovery
T1018

Processes:

PING.EXEPING.EXEPING.EXE

pid process

3552 PING.EXE
3368 PING.EXE
3580 PING.EXE

pid	process
2820	schtasks.exe
4116	schtasks.exe

pid	process
3552	PING.EXE
3368	PING.EXE
3580	PING.EXE

Suspicious behavior: EnumeratesProcesses 33 IoCs

Processes:

SecuriteInfo.com.W32.MSIL_Kryptik.DSR.gen.Eldorado.17895.exebil.exeInstallUtil.exe

pid	process
4236	SecuriteInfo.com.W32.MSIL_Kryptik.DSR.gen.Eldorado.17895.exe
4236	SecuriteInfo.com.W32.MSIL_Kryptik.DSR.gen.Eldorado.17895.exe
4236	SecuriteInfo.com.W32.MSIL_Kryptik.DSR.gen.Eldorado.17895.exe
4236	SecuriteInfo.com.W32.MSIL_Kryptik.DSR.gen.Eldorado.17895.exe
4236	SecuriteInfo.com.W32.MSIL_Kryptik.DSR.gen.Eldorado.17895.exe
4236	SecuriteInfo.com.W32.MSIL_Kryptik.DSR.gen.Eldorado.17895.exe
4236	SecuriteInfo.com.W32.MSIL_Kryptik.DSR.gen.Eldorado.17895.exe
4236	SecuriteInfo.com.W32.MSIL_Kryptik.DSR.gen.Eldorado.17895.exe
4236	SecuriteInfo.com.W32.MSIL_Kryptik.DSR.gen.Eldorado.17895.exe
4236	SecuriteInfo.com.W32.MSIL_Kryptik.DSR.gen.Eldorado.17895.exe
4236	SecuriteInfo.com.W32.MSIL_Kryptik.DSR.gen.Eldorado.17895.exe
4236	SecuriteInfo.com.W32.MSIL_Kryptik.DSR.gen.Eldorado.17895.exe
4236	SecuriteInfo.com.W32.MSIL_Kryptik.DSR.gen.Eldorado.17895.exe
4236	SecuriteInfo.com.W32.MSIL_Kryptik.DSR.gen.Eldorado.17895.exe
4236	SecuriteInfo.com.W32.MSIL_Kryptik.DSR.gen.Eldorado.17895.exe
4236	SecuriteInfo.com.W32.MSIL_Kryptik.DSR.gen.Eldorado.17895.exe
4236	SecuriteInfo.com.W32.MSIL_Kryptik.DSR.gen.Eldorado.17895.exe
4236	SecuriteInfo.com.W32.MSIL_Kryptik.DSR.gen.Eldorado.17895.exe
4236	SecuriteInfo.com.W32.MSIL_Kryptik.DSR.gen.Eldorado.17895.exe
4236	SecuriteInfo.com.W32.MSIL_Kryptik.DSR.gen.Eldorado.17895.exe
4236	SecuriteInfo.com.W32.MSIL_Kryptik.DSR.gen.Eldorado.17895.exe
4236	SecuriteInfo.com.W32.MSIL_Kryptik.DSR.gen.Eldorado.17895.exe
4236	SecuriteInfo.com.W32.MSIL_Kryptik.DSR.gen.Eldorado.17895.exe
4236	SecuriteInfo.com.W32.MSIL_Kryptik.DSR.gen.Eldorado.17895.exe
4236	SecuriteInfo.com.W32.MSIL_Kryptik.DSR.gen.Eldorado.17895.exe
2232	bil.exe
2232	bil.exe
1348	InstallUtil.exe
1348	InstallUtil.exe
1348	InstallUtil.exe
1348	InstallUtil.exe
1348	InstallUtil.exe
1348	InstallUtil.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

InstallUtil.exe

pid process

1348 InstallUtil.exe

pid	process
1348	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

SecuriteInfo.com.W32.MSIL_Kryptik.DSR.gen.Eldorado.17895.exebil.exeInstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	4236	SecuriteInfo.com.W32.MSIL_Kryptik.DSR.gen.Eldorado.17895.exe
Token: SeDebugPrivilege	2232	bil.exe
Token: SeDebugPrivilege	1348	InstallUtil.exe

Suspicious use of WriteProcessMemory 35 IoCs

Processes:

SecuriteInfo.com.W32.MSIL_Kryptik.DSR.gen.Eldorado.17895.execmd.execmd.exebil.exeInstallUtil.exe

description	pid	process	target process
PID 4236 wrote to memory of 3024	4236	SecuriteInfo.com.W32.MSIL_Kryptik.DSR.gen.Eldorado.17895.exe	cmd.exe
PID 4236 wrote to memory of 3024	4236	SecuriteInfo.com.W32.MSIL_Kryptik.DSR.gen.Eldorado.17895.exe	cmd.exe
PID 4236 wrote to memory of 3024	4236	SecuriteInfo.com.W32.MSIL_Kryptik.DSR.gen.Eldorado.17895.exe	cmd.exe
PID 3024 wrote to memory of 3552	3024	cmd.exe	PING.EXE
PID 3024 wrote to memory of 3552	3024	cmd.exe	PING.EXE
PID 3024 wrote to memory of 3552	3024	cmd.exe	PING.EXE
PID 4236 wrote to memory of 820	4236	SecuriteInfo.com.W32.MSIL_Kryptik.DSR.gen.Eldorado.17895.exe	cmd.exe
PID 4236 wrote to memory of 820	4236	SecuriteInfo.com.W32.MSIL_Kryptik.DSR.gen.Eldorado.17895.exe	cmd.exe
PID 4236 wrote to memory of 820	4236	SecuriteInfo.com.W32.MSIL_Kryptik.DSR.gen.Eldorado.17895.exe	cmd.exe
PID 820 wrote to memory of 3368	820	cmd.exe	PING.EXE
PID 820 wrote to memory of 3368	820	cmd.exe	PING.EXE
PID 820 wrote to memory of 3368	820	cmd.exe	PING.EXE
PID 3024 wrote to memory of 948	3024	cmd.exe	reg.exe
PID 3024 wrote to memory of 948	3024	cmd.exe	reg.exe
PID 3024 wrote to memory of 948	3024	cmd.exe	reg.exe
PID 820 wrote to memory of 3580	820	cmd.exe	PING.EXE
PID 820 wrote to memory of 3580	820	cmd.exe	PING.EXE
PID 820 wrote to memory of 3580	820	cmd.exe	PING.EXE
PID 820 wrote to memory of 2232	820	cmd.exe	bil.exe
PID 820 wrote to memory of 2232	820	cmd.exe	bil.exe
PID 820 wrote to memory of 2232	820	cmd.exe	bil.exe
PID 2232 wrote to memory of 1348	2232	bil.exe	InstallUtil.exe
PID 2232 wrote to memory of 1348	2232	bil.exe	InstallUtil.exe
PID 2232 wrote to memory of 1348	2232	bil.exe	InstallUtil.exe
PID 2232 wrote to memory of 1348	2232	bil.exe	InstallUtil.exe
PID 2232 wrote to memory of 1348	2232	bil.exe	InstallUtil.exe
PID 2232 wrote to memory of 1348	2232	bil.exe	InstallUtil.exe
PID 2232 wrote to memory of 1348	2232	bil.exe	InstallUtil.exe
PID 2232 wrote to memory of 1348	2232	bil.exe	InstallUtil.exe
PID 1348 wrote to memory of 2820	1348	InstallUtil.exe	schtasks.exe
PID 1348 wrote to memory of 2820	1348	InstallUtil.exe	schtasks.exe
PID 1348 wrote to memory of 2820	1348	InstallUtil.exe	schtasks.exe
PID 1348 wrote to memory of 4116	1348	InstallUtil.exe	schtasks.exe
PID 1348 wrote to memory of 4116	1348	InstallUtil.exe	schtasks.exe
PID 1348 wrote to memory of 4116	1348	InstallUtil.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.MSIL_Kryptik.DSR.gen.Eldorado.17895.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.MSIL_Kryptik.DSR.gen.Eldorado.17895.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4236

C:\Windows\SysWOW64\cmd.exe
"cmd" /c ping 127.0.0.1 -n 11 > nul && REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "bil" /t REG_SZ /d "C:\Users\Admin\AppData\Local\bil.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3024

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 11
3⤵
- Runs ping.exe
PID:3552

C:\Windows\SysWOW64\reg.exe
REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "bil" /t REG_SZ /d "C:\Users\Admin\AppData\Local\bil.exe"
3⤵
- Adds Run key to start application
PID:948

C:\Windows\SysWOW64\cmd.exe
"cmd" /c ping 127.0.0.1 -n 15 > nul && copy "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.MSIL_Kryptik.DSR.gen.Eldorado.17895.exe" "C:\Users\Admin\AppData\Local\bil.exe" && ping 127.0.0.1 -n 15 > nul && "C:\Users\Admin\AppData\Local\bil.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:820

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 15
3⤵
- Runs ping.exe
PID:3368

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 15
3⤵
- Runs ping.exe
PID:3580

C:\Users\Admin\AppData\Local\bil.exe
"C:\Users\Admin\AppData\Local\bil.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2232

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
4⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1348

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DDP Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1BFF.tmp"
5⤵
- Creates scheduled task(s)
PID:2820

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DDP Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1E13.tmp"
5⤵
- Creates scheduled task(s)
PID:4116

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

Remote System Discovery

1

T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp1BFF.tmp
Filesize
1KB

MD5
576bbaf398045c3843d452ec83208236

SHA1
8ed5b2500ae7a40cbfa6e9018a1d1f1e70cb1374

SHA256
33c0c2d72fa383e5988ce640febc5ac6a2bd71d4ae660b99e52234952e17467b

SHA512
e7cc0ea0b351c6a8618e14f03c00e88ef83e2f169e0b4d66513f580f0a9352fbfe429e57186362b69407150d566bbdadca2f7b574fc748cc140b3249be67f96a

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1E13.tmp
Filesize
1KB

MD5
677848190631e19222304d1982aa2e1b

SHA1
bed6cf97d3458e4ea59ff9823375d915a9b3d682

SHA256
8bcf16c788d228932fa707bb4250c05151e099bdf7040adc717e53680601be3d

SHA512
f5d41e150011bc63f4c95799e21fe91ffaa25eb05f4ca46ea89f3a3ca5325413ba4e0b7b5d69c0bc189955f3308c4928016a7cc1d6f7c2352639106952e92b1e

Download Submit
C:\Users\Admin\AppData\Local\bil.exe
Filesize
1.5MB

MD5
3f2e73870793bf2c359618739bd46d7d

SHA1
2b484126a9f2239de3485bb517b6c12a144c1a1f

SHA256
1bc9fc8588f7db4618c9a65e672f3ee0e1bc15f4265b727b75c5a22f1d7b54d5

SHA512
db98cfba58b208c5556d527c7082e573f2557395901c6a6a284ce848f7a2037aee2eda04d1940d1f79b7f24bf4d32e5ea7c45982eb8a10e5d9d7e556346dce25

Download Submit
C:\Users\Admin\AppData\Local\bil.exe
Filesize
1.5MB

MD5
3f2e73870793bf2c359618739bd46d7d

SHA1
2b484126a9f2239de3485bb517b6c12a144c1a1f

SHA256
1bc9fc8588f7db4618c9a65e672f3ee0e1bc15f4265b727b75c5a22f1d7b54d5

SHA512
db98cfba58b208c5556d527c7082e573f2557395901c6a6a284ce848f7a2037aee2eda04d1940d1f79b7f24bf4d32e5ea7c45982eb8a10e5d9d7e556346dce25

Download Submit
memory/820-139-0x0000000000000000-mapping.dmp

Download
memory/948-141-0x0000000000000000-mapping.dmp

Download
memory/1348-153-0x0000000007340000-0x00000000073A6000-memory.dmp

Filesize
408KB

Download
memory/1348-148-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1348-147-0x0000000000000000-mapping.dmp

Download
memory/2232-146-0x0000000000660000-0x00000000007EE000-memory.dmp

Filesize
1.6MB

Download
memory/2232-143-0x0000000000000000-mapping.dmp

Download
memory/2820-149-0x0000000000000000-mapping.dmp

Download
memory/3024-137-0x0000000000000000-mapping.dmp

Download
memory/3368-140-0x0000000000000000-mapping.dmp

Download
memory/3552-138-0x0000000000000000-mapping.dmp

Download
memory/3580-142-0x0000000000000000-mapping.dmp

Download
memory/4116-151-0x0000000000000000-mapping.dmp

Download
memory/4236-132-0x0000000000900000-0x0000000000A8E000-memory.dmp

Filesize
1.6MB

Download
memory/4236-136-0x0000000006680000-0x000000000668A000-memory.dmp

Filesize
40KB

Download
memory/4236-135-0x00000000064D0000-0x0000000006562000-memory.dmp

Filesize
584KB

Download
memory/4236-134-0x00000000068A0000-0x0000000006E44000-memory.dmp

Filesize
5.6MB

Download
memory/4236-133-0x0000000005630000-0x00000000056CC000-memory.dmp

Filesize
624KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads