nanocore | b4a76ec2287a65963ea978ae7911b8c42c3411a21c995463985599d975e9960c

Analysis

max time kernel
149s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
17-06-2024 09:39

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General

Target

nano.exe
Size

585KB
MD5

41d27d71597c9d1163fb58a816223962
SHA1

2ae197a2724967fb0ae77ee0c20d95d354b9e5cb
SHA256

b4a76ec2287a65963ea978ae7911b8c42c3411a21c995463985599d975e9960c
SHA512

555aa48eaa46f83933e34c6e8ecaf79c8f1756fb9de79181e4132bc2d02c5789abba90458ad347a374f34fc829f83b36d6666f64a657bf7e99ca5cb9aac2e1a0
SSDEEP

12288:2aYEnxStMSe+LQMNQ7ZQhIyOQSNSY2CNZ+TB29JvNgRh:J/nxSiSCMNQFwt3Jx8gB29Jv2

Score

10^/10

nanocore evasion execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

2023endofyear.duckdns.org:15170

127.0.0.1:15170

Mutex

68e7ea47-3f3c-4af7-9707-6d09d0468009

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2023-12-29T09:19:37.611227236Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
false
clear_zone_identifier
false
connect_delay
4000
connection_port
15170
default_group
GLOBAL
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
68e7ea47-3f3c-4af7-9707-6d09d0468009
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
2023endofyear.duckdns.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
Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
execution

PowerShell
T1059.001

Processes:

powershell.exepowershell.exe

pid process

3976 powershell.exe
4684 powershell.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:

nano.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Control Panel\International\Geo\Nation nano.exe
Adds Run key to start application 2 TTPs 1 IoCs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

Processes:

nano.exe

description ioc process

Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\SCSI Host = "C:\\Program Files (x86)\\SCSI Host\\scsihost.exe" nano.exe
Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

nano.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA nano.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

nano.exe

description pid process target process

PID 1316 set thread context of 4500 1316 nano.exe nano.exe
Drops file in Program Files directory 2 IoCs

Processes:

nano.exe

description ioc process

File created C:\Program Files (x86)\SCSI Host\scsihost.exe nano.exe
File opened for modification C:\Program Files (x86)\SCSI Host\scsihost.exe nano.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exeschtasks.exeschtasks.exe

pid process

4736 schtasks.exe
1436 schtasks.exe
2480 schtasks.exe
Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

powershell.exepowershell.exenano.exe

pid process

3976 powershell.exe
4684 powershell.exe
3976 powershell.exe
4684 powershell.exe
4500 nano.exe
4500 nano.exe
4500 nano.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

nano.exe

pid process

4500 nano.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exepowershell.exenano.exe

description pid process

Token: SeDebugPrivilege 3976 powershell.exe
Token: SeDebugPrivilege 4684 powershell.exe
Token: SeDebugPrivilege 4500 nano.exe

pid	process
3976	powershell.exe
4684	powershell.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Control Panel\International\Geo\Nation	nano.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\SCSI Host = "C:\\Program Files (x86)\\SCSI Host\\scsihost.exe"	nano.exe

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

description	pid	process	target process
PID 1316 set thread context of 4500	1316	nano.exe	nano.exe

description	ioc	process
File created	C:\Program Files (x86)\SCSI Host\scsihost.exe	nano.exe
File opened for modification	C:\Program Files (x86)\SCSI Host\scsihost.exe	nano.exe

pid	process
4736	schtasks.exe
1436	schtasks.exe
2480	schtasks.exe

pid	process
3976	powershell.exe
4684	powershell.exe
3976	powershell.exe
4684	powershell.exe
4500	nano.exe
4500	nano.exe
4500	nano.exe

pid	process
4500	nano.exe

description	pid	process
Token: SeDebugPrivilege	3976	powershell.exe
Token: SeDebugPrivilege	4684	powershell.exe
Token: SeDebugPrivilege	4500	nano.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

nano.exenano.exe

description	pid	process	target process
PID 1316 wrote to memory of 3976	1316	nano.exe	powershell.exe
PID 1316 wrote to memory of 3976	1316	nano.exe	powershell.exe
PID 1316 wrote to memory of 3976	1316	nano.exe	powershell.exe
PID 1316 wrote to memory of 4684	1316	nano.exe	powershell.exe
PID 1316 wrote to memory of 4684	1316	nano.exe	powershell.exe
PID 1316 wrote to memory of 4684	1316	nano.exe	powershell.exe
PID 1316 wrote to memory of 4736	1316	nano.exe	schtasks.exe
PID 1316 wrote to memory of 4736	1316	nano.exe	schtasks.exe
PID 1316 wrote to memory of 4736	1316	nano.exe	schtasks.exe
PID 1316 wrote to memory of 4500	1316	nano.exe	nano.exe
PID 1316 wrote to memory of 4500	1316	nano.exe	nano.exe
PID 1316 wrote to memory of 4500	1316	nano.exe	nano.exe
PID 1316 wrote to memory of 4500	1316	nano.exe	nano.exe
PID 1316 wrote to memory of 4500	1316	nano.exe	nano.exe
PID 1316 wrote to memory of 4500	1316	nano.exe	nano.exe
PID 1316 wrote to memory of 4500	1316	nano.exe	nano.exe
PID 1316 wrote to memory of 4500	1316	nano.exe	nano.exe
PID 4500 wrote to memory of 1436	4500	nano.exe	schtasks.exe
PID 4500 wrote to memory of 1436	4500	nano.exe	schtasks.exe
PID 4500 wrote to memory of 1436	4500	nano.exe	schtasks.exe
PID 4500 wrote to memory of 2480	4500	nano.exe	schtasks.exe
PID 4500 wrote to memory of 2480	4500	nano.exe	schtasks.exe
PID 4500 wrote to memory of 2480	4500	nano.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\nano.exe
"C:\Users\Admin\AppData\Local\Temp\nano.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1316

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\nano.exe"
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3976

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\dsiayzgxX.exe"
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4684

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dsiayzgxX" /XML "C:\Users\Admin\AppData\Local\Temp\tmp60CD.tmp"
2⤵
- Creates scheduled task(s)
PID:4736

C:\Users\Admin\AppData\Local\Temp\nano.exe
"C:\Users\Admin\AppData\Local\Temp\nano.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:4500

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "SCSI Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmp6542.tmp"
3⤵
- Creates scheduled task(s)
PID:1436

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "SCSI Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp6746.tmp"
3⤵
- Creates scheduled task(s)
PID:2480

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize
2KB

MD5
3d086a433708053f9bf9523e1d87a4e8

SHA1
b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

SHA256
6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

SHA512
931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
18KB

MD5
66e95f30cc9608c46fe29171aa344bed

SHA1
4e000a9e24d0ced076aea3620fe2553b421bb627

SHA256
935e37c3b4ea67e914e79c3bcd2b9d37168c85b592194ffa3f425fa861a688f8

SHA512
60af86a6218bd4596d822ea504d19e3256cbbc090af256a0e90796db296a36d56ba5a55036ba9e6b872664c4f82d7e4c8160b70cf138942344d78b131523cc0e

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4c1p0gep.4ck.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp60CD.tmp
Filesize
1KB

MD5
120d0406ea29f393fb1cef3adbc10d49

SHA1
3bf2a2173df54b09d73c3cf8a53f757a42a53ef4

SHA256
57a29b09617075415da12c2c58d9fd0b3f80e4f53523d6667cb818619dc69b75

SHA512
2fcc30c8fb629e12caad54e6315746463128bc7416f794c7349cc8fed06fe025296442f113926fa2e2fcc8da56dd55a8b79c642687193eb36d1ab9d9004c65c9

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp6542.tmp
Filesize
1KB

MD5
082cbbf4722a31333759fefb09e31258

SHA1
baf14a5f6496b590dc89bd978b06acdfe66f4480

SHA256
6fc807dc7258be0c9a45ce66659d4893c3fbecf33d08c4a4452153ba64022f69

SHA512
e8576972437179a75afbe87d415d683ae8d80c33bab31626a93b481df87ad8207b87497360fd15986d94f6792b4aee50b9910fe41c4a799a64f54b575cccc6b5

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp6746.tmp
Filesize
1KB

MD5
9a559f229be0944bc3dc813cde333f50

SHA1
0e97c97eea032b499ff060e799581e32beeceb09

SHA256
a63d853679aa655cced3b62a10855c56f9efd9b50770738b408d728008f73330

SHA512
4cbb2f77283500e86ecf79fd2cbd31d10c3af2fcf6c9a557ee0b1edead229dc07d63a5030b60df57458d52ef8c2a42ec199d2d4cdca387400d047df25b593c68

Download Submit
memory/1316-4-0x0000000004E00000-0x0000000004E0A000-memory.dmp

Filesize
40KB

Download
memory/1316-7-0x0000000005E30000-0x0000000005E38000-memory.dmp

Filesize
32KB

Download
memory/1316-8-0x0000000005E40000-0x0000000005E4C000-memory.dmp

Filesize
48KB

Download
memory/1316-9-0x0000000005EA0000-0x0000000005F1C000-memory.dmp

Filesize
496KB

Download
memory/1316-10-0x0000000008650000-0x00000000086EC000-memory.dmp

Filesize
624KB

Download
memory/1316-6-0x0000000005140000-0x0000000005154000-memory.dmp

Filesize
80KB

Download
memory/1316-5-0x0000000074910000-0x00000000750C0000-memory.dmp

Filesize
7.7MB

Download
memory/1316-3-0x0000000004C70000-0x0000000004D02000-memory.dmp

Filesize
584KB

Download
memory/1316-2-0x0000000005180000-0x0000000005724000-memory.dmp

Filesize
5.6MB

Download
memory/1316-48-0x0000000074910000-0x00000000750C0000-memory.dmp

Filesize
7.7MB

Download
memory/1316-0-0x000000007491E000-0x000000007491F000-memory.dmp

Filesize
4KB

Download
memory/1316-1-0x00000000001C0000-0x0000000000258000-memory.dmp

Filesize
608KB

Download
memory/3976-20-0x0000000005A50000-0x0000000005A72000-memory.dmp

Filesize
136KB

Download
memory/3976-87-0x0000000007BC0000-0x0000000007BCA000-memory.dmp

Filesize
40KB

Download
memory/3976-36-0x0000000006220000-0x0000000006574000-memory.dmp

Filesize
3.3MB

Download
memory/3976-101-0x0000000074910000-0x00000000750C0000-memory.dmp

Filesize
7.7MB

Download
memory/3976-15-0x0000000002F00000-0x0000000002F36000-memory.dmp

Filesize
216KB

Download
memory/3976-22-0x0000000006140000-0x00000000061A6000-memory.dmp

Filesize
408KB

Download
memory/3976-16-0x0000000005AA0000-0x00000000060C8000-memory.dmp

Filesize
6.2MB

Download
memory/3976-23-0x00000000061B0000-0x0000000006216000-memory.dmp

Filesize
408KB

Download
memory/3976-19-0x0000000074910000-0x00000000750C0000-memory.dmp

Filesize
7.7MB

Download
memory/3976-49-0x0000000006800000-0x000000000681E000-memory.dmp

Filesize
120KB

Download
memory/3976-50-0x00000000068D0000-0x000000000691C000-memory.dmp

Filesize
304KB

Download
memory/3976-18-0x0000000074910000-0x00000000750C0000-memory.dmp

Filesize
7.7MB

Download
memory/3976-17-0x0000000074910000-0x00000000750C0000-memory.dmp

Filesize
7.7MB

Download
memory/3976-91-0x0000000007D80000-0x0000000007D8E000-memory.dmp

Filesize
56KB

Download
memory/3976-90-0x0000000007D50000-0x0000000007D61000-memory.dmp

Filesize
68KB

Download
memory/3976-89-0x0000000007DD0000-0x0000000007E66000-memory.dmp

Filesize
600KB

Download
memory/3976-86-0x0000000007B50000-0x0000000007B6A000-memory.dmp

Filesize
104KB

Download
memory/3976-85-0x00000000081A0000-0x000000000881A000-memory.dmp

Filesize
6.5MB

Download
memory/3976-84-0x0000000007A20000-0x0000000007AC3000-memory.dmp

Filesize
652KB

Download
memory/3976-73-0x0000000071100000-0x000000007114C000-memory.dmp

Filesize
304KB

Download
memory/4500-60-0x0000000005D20000-0x0000000005D3E000-memory.dmp

Filesize
120KB

Download
memory/4500-37-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/4500-58-0x0000000005820000-0x000000000582A000-memory.dmp

Filesize
40KB

Download
memory/4500-59-0x0000000005BF0000-0x0000000005BFC000-memory.dmp

Filesize
48KB

Download
memory/4500-61-0x0000000006950000-0x000000000695A000-memory.dmp

Filesize
40KB

Download
memory/4684-88-0x0000000007B50000-0x0000000007B5A000-memory.dmp

Filesize
40KB

Download
memory/4684-35-0x0000000074910000-0x00000000750C0000-memory.dmp

Filesize
7.7MB

Download
memory/4684-82-0x0000000007910000-0x000000000792E000-memory.dmp

Filesize
120KB

Download
memory/4684-62-0x0000000007930000-0x0000000007962000-memory.dmp

Filesize
200KB

Download
memory/4684-92-0x0000000007D20000-0x0000000007D34000-memory.dmp

Filesize
80KB

Download
memory/4684-93-0x0000000007E20000-0x0000000007E3A000-memory.dmp

Filesize
104KB

Download
memory/4684-94-0x0000000007E00000-0x0000000007E08000-memory.dmp

Filesize
32KB

Download
memory/4684-21-0x0000000074910000-0x00000000750C0000-memory.dmp

Filesize
7.7MB

Download
memory/4684-25-0x0000000074910000-0x00000000750C0000-memory.dmp

Filesize
7.7MB

Download
memory/4684-63-0x0000000071100000-0x000000007114C000-memory.dmp

Filesize
304KB

Download
memory/4684-100-0x0000000074910000-0x00000000750C0000-memory.dmp

Filesize
7.7MB

Download