nanocore | 9f4000dbe372c80857cc5af73605bbead88e40261436c789524b8146c4684516

General

Target

9f4000dbe372c80857cc5af73605bbead88e40261436c789524b8146c4684516.exe
Size

1024KB
MD5

793495e61221e0a71c42644865debf55
SHA1

0d8860f60537e398e243c4c95a810c73b5f5779c
SHA256

9f4000dbe372c80857cc5af73605bbead88e40261436c789524b8146c4684516
SHA512

d6c436405f4bf793edfc3e87179057d58b75400eda2e4a946ba08c01b3b63b7fdf40c281639a52decac04f421452d3aa85114cac5ba18fcc77af51d1ddc7b9c2
SSDEEP

12288:JhCJdkjmABe8wvBWyMYKCOnHgW29s0oK/Lgu1Mj6KNE:Jkdbp8gKCqgWuD1MtS

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.1.1

C2

sallyshooter100.chickenkiller.com:1604

Mutex

6b3f3db7-a2ba-4442-a23c-33959d71e1d6

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
buffer_size
65535
build_time
2014-11-12T03:24:36.684784836Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
true
connect_delay
4000
connection_port
1604
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
6b3f3db7-a2ba-4442-a23c-33959d71e1d6
mutex_timeout
5000
prevent_system_sleep
true
primary_connection_host
sallyshooter100.chickenkiller.com
primary_dns_server
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
true
set_critical_process
true
timeout_interval
5000
use_custom_dns_server
false
version
1.2.1.1
wan_timeout
8000

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

reg.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "C:\\Users\\Admin\\AppData\\Local\\Temp\\dawd\\aad.exe"	reg.exe

NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore
Executes dropped EXE 1 IoCs

Processes:

svhost.exe

pid process

840 svhost.exe
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

wscript.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation wscript.exe
Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

svhost.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA svhost.exe

pid	process
840	svhost.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	wscript.exe

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

9f4000dbe372c80857cc5af73605bbead88e40261436c789524b8146c4684516.exe

description	pid	process	target process
PID 3400 set thread context of 840	3400	9f4000dbe372c80857cc5af73605bbead88e40261436c789524b8146c4684516.exe	svhost.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

9f4000dbe372c80857cc5af73605bbead88e40261436c789524b8146c4684516.exesvhost.exe

pid	process
3400	9f4000dbe372c80857cc5af73605bbead88e40261436c789524b8146c4684516.exe
3400	9f4000dbe372c80857cc5af73605bbead88e40261436c789524b8146c4684516.exe
3400	9f4000dbe372c80857cc5af73605bbead88e40261436c789524b8146c4684516.exe
3400	9f4000dbe372c80857cc5af73605bbead88e40261436c789524b8146c4684516.exe
3400	9f4000dbe372c80857cc5af73605bbead88e40261436c789524b8146c4684516.exe
840	svhost.exe
840	svhost.exe
840	svhost.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

svhost.exe

pid process

840 svhost.exe

pid	process
840	svhost.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

9f4000dbe372c80857cc5af73605bbead88e40261436c789524b8146c4684516.exesvhost.exe

description	pid	process
Token: SeDebugPrivilege	3400	9f4000dbe372c80857cc5af73605bbead88e40261436c789524b8146c4684516.exe
Token: 33	3400	9f4000dbe372c80857cc5af73605bbead88e40261436c789524b8146c4684516.exe
Token: SeIncBasePriorityPrivilege	3400	9f4000dbe372c80857cc5af73605bbead88e40261436c789524b8146c4684516.exe
Token: SeDebugPrivilege	840	svhost.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

9f4000dbe372c80857cc5af73605bbead88e40261436c789524b8146c4684516.execmd.exewscript.execmd.exe

description	pid	process	target process
PID 3400 wrote to memory of 4124	3400	9f4000dbe372c80857cc5af73605bbead88e40261436c789524b8146c4684516.exe	cmd.exe
PID 3400 wrote to memory of 4124	3400	9f4000dbe372c80857cc5af73605bbead88e40261436c789524b8146c4684516.exe	cmd.exe
PID 3400 wrote to memory of 4124	3400	9f4000dbe372c80857cc5af73605bbead88e40261436c789524b8146c4684516.exe	cmd.exe
PID 3400 wrote to memory of 840	3400	9f4000dbe372c80857cc5af73605bbead88e40261436c789524b8146c4684516.exe	svhost.exe
PID 3400 wrote to memory of 840	3400	9f4000dbe372c80857cc5af73605bbead88e40261436c789524b8146c4684516.exe	svhost.exe
PID 3400 wrote to memory of 840	3400	9f4000dbe372c80857cc5af73605bbead88e40261436c789524b8146c4684516.exe	svhost.exe
PID 4124 wrote to memory of 452	4124	cmd.exe	wscript.exe
PID 4124 wrote to memory of 452	4124	cmd.exe	wscript.exe
PID 4124 wrote to memory of 452	4124	cmd.exe	wscript.exe
PID 3400 wrote to memory of 840	3400	9f4000dbe372c80857cc5af73605bbead88e40261436c789524b8146c4684516.exe	svhost.exe
PID 3400 wrote to memory of 840	3400	9f4000dbe372c80857cc5af73605bbead88e40261436c789524b8146c4684516.exe	svhost.exe
PID 3400 wrote to memory of 840	3400	9f4000dbe372c80857cc5af73605bbead88e40261436c789524b8146c4684516.exe	svhost.exe
PID 3400 wrote to memory of 840	3400	9f4000dbe372c80857cc5af73605bbead88e40261436c789524b8146c4684516.exe	svhost.exe
PID 3400 wrote to memory of 840	3400	9f4000dbe372c80857cc5af73605bbead88e40261436c789524b8146c4684516.exe	svhost.exe
PID 452 wrote to memory of 3668	452	wscript.exe	cmd.exe
PID 452 wrote to memory of 3668	452	wscript.exe	cmd.exe
PID 452 wrote to memory of 3668	452	wscript.exe	cmd.exe
PID 3668 wrote to memory of 2968	3668	cmd.exe	reg.exe
PID 3668 wrote to memory of 2968	3668	cmd.exe	reg.exe
PID 3668 wrote to memory of 2968	3668	cmd.exe	reg.exe

C:\Users\Admin\AppData\Local\Temp\9f4000dbe372c80857cc5af73605bbead88e40261436c789524b8146c4684516.exe
"C:\Users\Admin\AppData\Local\Temp\9f4000dbe372c80857cc5af73605bbead88e40261436c789524b8146c4684516.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3400

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\dawd\mata.bat
2⤵
- Suspicious use of WriteProcessMemory
PID:4124

C:\Windows\SysWOW64\wscript.exe
wscript.exe "C:\Users\Admin\AppData\Local\Temp\dawd\invs.vbs" "C:\Users\Admin\AppData\Local\Temp\dawd\mata2.bat"
3⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:452

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\dawd\mata2.bat" "
4⤵
- Suspicious use of WriteProcessMemory
PID:3668

C:\Windows\SysWOW64\reg.exe
reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /v Shell /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\dawd\aad.exe" /f
5⤵
- Modifies WinLogon for persistence
PID:2968

C:\Users\Admin\AppData\Local\Temp\svhost.exe
C:\Users\Admin\AppData\Local\Temp\svhost.exe
2⤵
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:840

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1

T1004

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\dawd\aad.exe
Filesize
1024KB

MD5
793495e61221e0a71c42644865debf55

SHA1
0d8860f60537e398e243c4c95a810c73b5f5779c

SHA256
9f4000dbe372c80857cc5af73605bbead88e40261436c789524b8146c4684516

SHA512
d6c436405f4bf793edfc3e87179057d58b75400eda2e4a946ba08c01b3b63b7fdf40c281639a52decac04f421452d3aa85114cac5ba18fcc77af51d1ddc7b9c2

Download Submit
C:\Users\Admin\AppData\Local\Temp\dawd\invs.vbs
Filesize
78B

MD5
c578d9653b22800c3eb6b6a51219bbb8

SHA1
a97aa251901bbe179a48dbc7a0c1872e163b1f2d

SHA256
20a98a7e6e137bb1b9bd5ef6911a479cb8eac925b80d6db4e70b19f62a40cce2

SHA512
3ae6dc8f02d1a78e1235a0782b632972da5a74ab32287cc41aa672d4fa4a9d34bb5fc50eba07b6915f2e61c402927cd5f6feeb7f7602afa2f64e91efb3b7fc4d

Download Submit
C:\Users\Admin\AppData\Local\Temp\dawd\mata.bat
Filesize
58B

MD5
bba677d77a05599cef96ea0790e952a0

SHA1
ad08d46a34da9df9c15f5f823b8534c5d48c485b

SHA256
22073a8cbd24e20a273adbf0ecd255704b676da0ec14abdefb0da36b32389191

SHA512
07326de78903be5a5696545c6e49f68486d6484d274b027f47a16d1f67b42f2b4197728c79911d39f2f84ea104aac3948f56d8cb27a5cc2b4a6d22ce5a95e09c

Download Submit
C:\Users\Admin\AppData\Local\Temp\dawd\mata2.bat
Filesize
250B

MD5
094582ff2a072365b4316a83016dc092

SHA1
3a1c53a1b8cad196183d8227195814e7d6820e8f

SHA256
21e5e713ebcdef2c7f3b60aaebdac53e6595440ea8e74f59860349bcb6dd1f6f

SHA512
8aa3f6798b5bae754dcbd499f572554decbcb4de0e92a1c879028ffd52e5b09417f930868bb2d9f7487a10aec29350eb812b1dd867fc15a8d990a94f3b7ea08d

Download Submit
C:\Users\Admin\AppData\Local\Temp\svhost.exe
Filesize
52KB

MD5
a64daca3cfbcd039df3ec29d3eddd001

SHA1
eee8b2573f71e8d5c3ee7e53af3e6772e090d0f3

SHA256
403752009f29381d5e4036b8be94589c89188f9ce8ef5f86959eaaada019ed36

SHA512
b6fe2d0ae3fcd4442579ecf10d498d61e0f042813c8fc4be8019da77d849cfcf0b168507139a1b5697227c272de9091788f8e03cf1ce13d5b5077568cfa6a479

Download Submit
C:\Users\Admin\AppData\Local\Temp\svhost.exe
Filesize
52KB

MD5
a64daca3cfbcd039df3ec29d3eddd001

SHA1
eee8b2573f71e8d5c3ee7e53af3e6772e090d0f3

SHA256
403752009f29381d5e4036b8be94589c89188f9ce8ef5f86959eaaada019ed36

SHA512
b6fe2d0ae3fcd4442579ecf10d498d61e0f042813c8fc4be8019da77d849cfcf0b168507139a1b5697227c272de9091788f8e03cf1ce13d5b5077568cfa6a479

Download Submit
memory/452-136-0x0000000000000000-mapping.dmp

Download
memory/840-137-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/840-135-0x0000000000000000-mapping.dmp

Download
memory/840-143-0x00000000752A0000-0x0000000075851000-memory.dmp

Filesize
5.7MB

Download
memory/840-147-0x00000000752A0000-0x0000000075851000-memory.dmp

Filesize
5.7MB

Download
memory/2968-144-0x0000000000000000-mapping.dmp

Download
memory/3400-132-0x00000000752A0000-0x0000000075851000-memory.dmp

Filesize
5.7MB

Download
memory/3400-146-0x00000000752A0000-0x0000000075851000-memory.dmp

Filesize
5.7MB

Download
memory/3668-142-0x0000000000000000-mapping.dmp

Download
memory/4124-133-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads