nanocore | 5713df54ae15a1a47a87436d1c7ddc06338f9c31276880d6d2ae29d2655313e7

General

Target

b2c04bb4-1039-4836-bca6-bd4211df1190.exe
Size

524KB
MD5

81ffddf2c1d7905204a67f6577e2dc68
SHA1

a89c37a3e12a46ac714887d509a1849791b4b244
SHA256

5713df54ae15a1a47a87436d1c7ddc06338f9c31276880d6d2ae29d2655313e7
SHA512

b871a001fa251a9af36788ceda94ece6772a5f318120db5cada7643e66da7978d0a0f373ab271c15b45a0947f1161ee60284c0621e25e07ea81864a3c8945e4a
SSDEEP

6144:dLeno+U3zituONCfDq/ib4IKEQwpUgQ/Fn7r+DHZ8q6PTZKWCaYVZ6qXW4bPwDJr:sRC+ab4aQlhFnPA81X/Y1cNm+1v6pP

Score

10^/10

nanocore discovery evasion execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

original-financial.gl.at.ply.gg:28916

Mutex

d516db18-d565-4fff-a872-0ad0fd1f18ca

Attributes

activate_away_mode
true
backup_connection_host
original-financial.gl.at.ply.gg
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2024-09-13T19:32:56.304391136Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
28916
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
d516db18-d565-4fff-a872-0ad0fd1f18ca
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
primary_dns_server
8.8.8.8
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
1.2.2.0
wan_timeout
8000

Signatures

NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore
Nanocore family
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

pid	Process
1012	powershell.exe
3024	powershell.exe

Executes dropped EXE 4 IoCs

pid	Process
1952	111111111111111111111111111111111111.exe
2392	injection.exe
876	Setup.exe
2128	wlanext.exe

Loads dropped DLL 3 IoCs

pid	Process
876	Setup.exe
876	Setup.exe
876	Setup.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	111111111111111111111111111111111111.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	wlanext.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
9	discord.com
8	discord.com

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
6	ip-api.com

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	111111111111111111111111111111111111.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Setup.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
1952	111111111111111111111111111111111111.exe
1952	111111111111111111111111111111111111.exe
1952	111111111111111111111111111111111111.exe
1952	111111111111111111111111111111111111.exe
1952	111111111111111111111111111111111111.exe
1952	111111111111111111111111111111111111.exe
1012	powershell.exe
3024	powershell.exe
1952	111111111111111111111111111111111111.exe
1952	111111111111111111111111111111111111.exe
1952	111111111111111111111111111111111111.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1952	111111111111111111111111111111111111.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	2392	injection.exe
Token: SeDebugPrivilege	1952	111111111111111111111111111111111111.exe
Token: SeBackupPrivilege	2628	vssvc.exe
Token: SeRestorePrivilege	2628	vssvc.exe
Token: SeAuditPrivilege	2628	vssvc.exe
Token: SeDebugPrivilege	1012	powershell.exe
Token: SeDebugPrivilege	3024	powershell.exe
Token: SeDebugPrivilege	2128	wlanext.exe
Token: SeDebugPrivilege	2128	wlanext.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 1952	2124	b2c04bb4-1039-4836-bca6-bd4211df1190.exe	30
PID 2124 wrote to memory of 1952	2124	b2c04bb4-1039-4836-bca6-bd4211df1190.exe	30
PID 2124 wrote to memory of 1952	2124	b2c04bb4-1039-4836-bca6-bd4211df1190.exe	30
PID 2124 wrote to memory of 1952	2124	b2c04bb4-1039-4836-bca6-bd4211df1190.exe	30
PID 2124 wrote to memory of 2392	2124	b2c04bb4-1039-4836-bca6-bd4211df1190.exe	31
PID 2124 wrote to memory of 2392	2124	b2c04bb4-1039-4836-bca6-bd4211df1190.exe	31
PID 2124 wrote to memory of 2392	2124	b2c04bb4-1039-4836-bca6-bd4211df1190.exe	31
PID 2124 wrote to memory of 876	2124	b2c04bb4-1039-4836-bca6-bd4211df1190.exe	32
PID 2124 wrote to memory of 876	2124	b2c04bb4-1039-4836-bca6-bd4211df1190.exe	32
PID 2124 wrote to memory of 876	2124	b2c04bb4-1039-4836-bca6-bd4211df1190.exe	32
PID 2124 wrote to memory of 876	2124	b2c04bb4-1039-4836-bca6-bd4211df1190.exe	32
PID 2124 wrote to memory of 876	2124	b2c04bb4-1039-4836-bca6-bd4211df1190.exe	32
PID 2124 wrote to memory of 876	2124	b2c04bb4-1039-4836-bca6-bd4211df1190.exe	32
PID 2124 wrote to memory of 876	2124	b2c04bb4-1039-4836-bca6-bd4211df1190.exe	32
PID 2392 wrote to memory of 1012	2392	injection.exe	37
PID 2392 wrote to memory of 1012	2392	injection.exe	37
PID 2392 wrote to memory of 1012	2392	injection.exe	37
PID 2392 wrote to memory of 3024	2392	injection.exe	39
PID 2392 wrote to memory of 3024	2392	injection.exe	39
PID 2392 wrote to memory of 3024	2392	injection.exe	39
PID 836 wrote to memory of 2128	836	taskeng.exe	43
PID 836 wrote to memory of 2128	836	taskeng.exe	43
PID 836 wrote to memory of 2128	836	taskeng.exe	43

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\b2c04bb4-1039-4836-bca6-bd4211df1190.exe
"C:\Users\Admin\AppData\Local\Temp\b2c04bb4-1039-4836-bca6-bd4211df1190.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2124
- C:\Users\Admin\AppData\Local\Temp\111111111111111111111111111111111111.exe
  "C:\Users\Admin\AppData\Local\Temp\111111111111111111111111111111111111.exe"
  2⤵
  - Executes dropped EXE
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:1952
- C:\Users\Admin\AppData\Local\Temp\injection.exe
  "C:\Users\Admin\AppData\Local\Temp\injection.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2392
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\wlanext.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1012
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'wlanext.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3024
- C:\Users\Admin\AppData\Local\Temp\Setup.exe
  "C:\Users\Admin\AppData\Local\Temp\Setup.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:876

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2628

C:\Windows\system32\taskeng.exe
taskeng.exe {F17B1DB5-9529-40D8-9BE1-F727B7E1BE9F} S-1-5-21-4177215427-74451935-3209572229-1000:JSMURNPT\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:836
- C:\Users\Admin\AppData\Roaming\wlanext.exe
  C:\Users\Admin\AppData\Roaming\wlanext.exe
  2⤵
  - Executes dropped EXE
  - Checks whether UAC is enabled
  - Suspicious use of AdjustPrivilegeToken
  PID:2128

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\111111111111111111111111111111111111.exe

Filesize
209KB

MD5
9258d024ee6fbfe283978e89e25cbc50

SHA1
123f1309dbc98824ec2ebb12f9883a07b873820e

SHA256
392a00e29a7305ead657c6c10d80b446f8b6bfe25a171e63e43439695f40410a

SHA512
993b2a16cfdc8dbd99753349f923a6baf1e801f79d7fb6aa39e15f617b4f798f355a9edddc9e7579ece562e1c254299e974ac46e70efe576a0985554fec15913

Download Submit
C:\Users\Admin\AppData\Local\Temp\Setup.exe

Filesize
124KB

MD5
fb47cb26a0c7480148a8d0c8f8e01be1

SHA1
bff6e89f3f724f79b136a4af7e6be03ff8d945e8

SHA256
255472e23f31eebe810f217212bf9caa39a30cac423dbe9893b554308da7db4b

SHA512
59bf831d10f9b2787e8152c2eea2abc8d131a9b45986da21d0cd6b38b43907becad39c332ed2c251bb3c28c14bfa022a7635487230a1f8643fb7ac20f1518ee7

Download Submit
C:\Users\Admin\AppData\Local\Temp\injection.exe

Filesize
399KB

MD5
153deb0e0ffc0b476d5bba8a69778dde

SHA1
4ef44b30281e61ffdb74c4b3c0ec5e5bab8fa08f

SHA256
4ba3120b20dadb2ba430ca2bb5cb492bf0adbb4a6685c4c757086e6f46d5d607

SHA512
00f58ffa67c2ee992f1904a3a923e80ee350956b4690eadd9dbfa8b4e6897ab4d598493f1bca3781cca0849184a3a40f21424efcc3e90d436d76540da5a89bf4

Download Submit
C:\Users\Admin\AppData\Roaming\BF99BEF1-312F-4726-8597-70228EF05E99\catalog.dat

Filesize
248B

MD5
061e700fe27d852034a5a44bf5985ccf

SHA1
15b072de6d6fdd92ae36f074345fa41985833e8d

SHA256
4bbb88af530693eb4a710b0591d4baf585837242c5690f5a821bf2fc9cc587cd

SHA512
cf6c5458ab50c859740490985d1e7e887d1116f3fa947ff2ec49af9997a42f3402c63ef42b93498544195d9859fbb19ccc295966564b30f5adb4a36d4e8886c6

Download Submit
C:\Users\Admin\AppData\Roaming\BF99BEF1-312F-4726-8597-70228EF05E99\run.dat

Filesize
8B

MD5
512d3a063e609f65ae9554749835b65e

SHA1
348d7f4bac538351dba1b5287c0161480d2b754c

SHA256
9454e04f1fed6d5ad100d5707f3b6f1e25040a0d1320569226691663edc426e4

SHA512
85120d1d575372bf001e37472c249dbfea6416d2fdc98dda7f9ba5ed6c8848b249d872e66aba26def5f3a5da1027ef515bfab2bc1d1059172adbeae49af3a84b

Download Submit
C:\Users\Admin\AppData\Roaming\BF99BEF1-312F-4726-8597-70228EF05E99\storage.dat

Filesize
423KB

MD5
7f0642b40d7f2ee4cf9d08601762f280

SHA1
db0a55e900fb8ab637f84815e8100de9ba391810

SHA256
e6a52cf6101cd8a5b0b276ba0507ab1fa3203267b842c4534f28f37ada40c02a

SHA512
108eb480e9ad78b3dd9783ed536b1406eb390f10cafe0e95f26da86d08b4e006fffce8ea389f87f4e6d92b0bfda20ea8fd0bd6094d7e6ea773807d0adbe1c2e1

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\IWJWJU2QW0U0R9OKLZ29.temp

Filesize
7KB

MD5
2cd9305c912a4bad7d43a01badfafc28

SHA1
841e627ae94f2dd907bd35d7990e5ebad115762a

SHA256
8f3f310c71919fee2f4a8a3e8921a872c505391d3c54f382d8ce331afe98d22a

SHA512
0978c20aa88e6d011c6959971bd748a8ab248bb609bcfc6ce21bcb7f47490f87896dd0e6c434605a279c403d97b12a2f7eaf17ce0911f90d42ccc02df634a638

Download Submit
memory/1012-34-0x000000001B5A0000-0x000000001B882000-memory.dmp

Filesize
2.9MB

Download
memory/1012-35-0x0000000001E90000-0x0000000001E98000-memory.dmp

Filesize
32KB

Download
memory/1952-47-0x0000000000B40000-0x0000000000B80000-memory.dmp

Filesize
256KB

Download
memory/1952-26-0x0000000000B40000-0x0000000000B80000-memory.dmp

Filesize
256KB

Download
memory/2124-0-0x000007FEF5993000-0x000007FEF5994000-memory.dmp

Filesize
4KB

Download
memory/2124-25-0x000007FEF5990000-0x000007FEF637C000-memory.dmp

Filesize
9.9MB

Download
memory/2124-1-0x0000000001100000-0x0000000001188000-memory.dmp

Filesize
544KB

Download
memory/2128-52-0x0000000000070000-0x00000000000DA000-memory.dmp

Filesize
424KB

Download
memory/2128-53-0x00000000004D0000-0x000000000050A000-memory.dmp

Filesize
232KB

Download
memory/2392-48-0x000007FEF5993000-0x000007FEF5994000-memory.dmp

Filesize
4KB

Download
memory/2392-27-0x000007FEF5993000-0x000007FEF5994000-memory.dmp

Filesize
4KB

Download
memory/2392-18-0x0000000001100000-0x000000000116A000-memory.dmp

Filesize
424KB

Download
memory/3024-42-0x0000000001EF0000-0x0000000001EF8000-memory.dmp

Filesize
32KB

Download
memory/3024-41-0x000000001B630000-0x000000001B912000-memory.dmp

Filesize
2.9MB

Download

Analysis

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