nanocore | ab321f1e18f45789460ef7a7666b0f220848bf36c9a3cb7ae6ac1b9c7a1ad2e0

General

Target

New Order Nov _22 Doc.exe
Size

679KB
MD5

eb581ac9d82bd04c09aeab67e9e2186e
SHA1

2550739f500749f88f3a5b89d26097d9d79df005
SHA256

ab321f1e18f45789460ef7a7666b0f220848bf36c9a3cb7ae6ac1b9c7a1ad2e0
SHA512

4e380e1e4780c37a51bff5f44892a6f80e19dfa7f2055ed993725bed268abfa45d10beb4b723949f44d72412369516b0d9510a0c8aa0fc341feefc3cb7078b90
SSDEEP

12288:Uanh79PKDtF5y80PAdLaHrJe8+4VuXK5tuKkDEpfsAIHnt:NKpF5y9PeyF9iK5tufEpfsAkn

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

194.5.97.231:6030

Mutex

711379fc-afa6-423a-ba67-51c2347911f4

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-08-02T22:54:59.827195236Z
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
6030
default_group
TONERO
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
711379fc-afa6-423a-ba67-51c2347911f4
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
194.5.97.231
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

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:

New Order Nov _22 Doc.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	New Order Nov _22 Doc.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

New Order Nov _22 Doc.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DHCP Subsystem = "C:\\Program Files (x86)\\DHCP Subsystem\\dhcpss.exe"	New Order Nov _22 Doc.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

New Order Nov _22 Doc.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA New Order Nov _22 Doc.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

New Order Nov _22 Doc.exe

description pid process target process

PID 4708 set thread context of 1600 4708 New Order Nov _22 Doc.exe New Order Nov _22 Doc.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	New Order Nov _22 Doc.exe

description	pid	process	target process
PID 4708 set thread context of 1600	4708	New Order Nov _22 Doc.exe	New Order Nov _22 Doc.exe

Drops file in Program Files directory 2 IoCs

Processes:

New Order Nov _22 Doc.exe

description	ioc	process
File created	C:\Program Files (x86)\DHCP Subsystem\dhcpss.exe	New Order Nov _22 Doc.exe
File opened for modification	C:\Program Files (x86)\DHCP Subsystem\dhcpss.exe	New Order Nov _22 Doc.exe

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

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
T1053

Processes:

schtasks.exeschtasks.exeschtasks.exe

pid process

5036 schtasks.exe
3304 schtasks.exe
4532 schtasks.exe

pid	process
5036	schtasks.exe
3304	schtasks.exe
4532	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

powershell.exepowershell.exeNew Order Nov _22 Doc.exe

pid	process
2044	powershell.exe
2316	powershell.exe
2044	powershell.exe
2316	powershell.exe
1600	New Order Nov _22 Doc.exe
1600	New Order Nov _22 Doc.exe
1600	New Order Nov _22 Doc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

New Order Nov _22 Doc.exe

pid process

1600 New Order Nov _22 Doc.exe

pid	process
1600	New Order Nov _22 Doc.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exepowershell.exeNew Order Nov _22 Doc.exe

description	pid	process
Token: SeDebugPrivilege	2316	powershell.exe
Token: SeDebugPrivilege	2044	powershell.exe
Token: SeDebugPrivilege	1600	New Order Nov _22 Doc.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

New Order Nov _22 Doc.exeNew Order Nov _22 Doc.exe

description	pid	process	target process
PID 4708 wrote to memory of 2316	4708	New Order Nov _22 Doc.exe	powershell.exe
PID 4708 wrote to memory of 2316	4708	New Order Nov _22 Doc.exe	powershell.exe
PID 4708 wrote to memory of 2316	4708	New Order Nov _22 Doc.exe	powershell.exe
PID 4708 wrote to memory of 2044	4708	New Order Nov _22 Doc.exe	powershell.exe
PID 4708 wrote to memory of 2044	4708	New Order Nov _22 Doc.exe	powershell.exe
PID 4708 wrote to memory of 2044	4708	New Order Nov _22 Doc.exe	powershell.exe
PID 4708 wrote to memory of 5036	4708	New Order Nov _22 Doc.exe	schtasks.exe
PID 4708 wrote to memory of 5036	4708	New Order Nov _22 Doc.exe	schtasks.exe
PID 4708 wrote to memory of 5036	4708	New Order Nov _22 Doc.exe	schtasks.exe
PID 4708 wrote to memory of 1600	4708	New Order Nov _22 Doc.exe	New Order Nov _22 Doc.exe
PID 4708 wrote to memory of 1600	4708	New Order Nov _22 Doc.exe	New Order Nov _22 Doc.exe
PID 4708 wrote to memory of 1600	4708	New Order Nov _22 Doc.exe	New Order Nov _22 Doc.exe
PID 4708 wrote to memory of 1600	4708	New Order Nov _22 Doc.exe	New Order Nov _22 Doc.exe
PID 4708 wrote to memory of 1600	4708	New Order Nov _22 Doc.exe	New Order Nov _22 Doc.exe
PID 4708 wrote to memory of 1600	4708	New Order Nov _22 Doc.exe	New Order Nov _22 Doc.exe
PID 4708 wrote to memory of 1600	4708	New Order Nov _22 Doc.exe	New Order Nov _22 Doc.exe
PID 4708 wrote to memory of 1600	4708	New Order Nov _22 Doc.exe	New Order Nov _22 Doc.exe
PID 1600 wrote to memory of 3304	1600	New Order Nov _22 Doc.exe	schtasks.exe
PID 1600 wrote to memory of 3304	1600	New Order Nov _22 Doc.exe	schtasks.exe
PID 1600 wrote to memory of 3304	1600	New Order Nov _22 Doc.exe	schtasks.exe
PID 1600 wrote to memory of 4532	1600	New Order Nov _22 Doc.exe	schtasks.exe
PID 1600 wrote to memory of 4532	1600	New Order Nov _22 Doc.exe	schtasks.exe
PID 1600 wrote to memory of 4532	1600	New Order Nov _22 Doc.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\New Order Nov _22 Doc.exe
"C:\Users\Admin\AppData\Local\Temp\New Order Nov _22 Doc.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4708

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\New Order Nov _22 Doc.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2316

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\XKnuIeXQvD.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2044

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XKnuIeXQvD" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8B19.tmp"
2⤵
- Creates scheduled task(s)
PID:5036

C:\Users\Admin\AppData\Local\Temp\New Order Nov _22 Doc.exe
"C:\Users\Admin\AppData\Local\Temp\New Order Nov _22 Doc.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:1600

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DHCP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp93B4.tmp"
3⤵
- Creates scheduled task(s)
PID:3304

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DHCP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp95A9.tmp"
3⤵
- Creates scheduled task(s)
PID:4532

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

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

Filesize
18KB

MD5
3cd6914b1883005db9df6f839fc0aa20

SHA1
734592ea077fcc157590a481448256b92ee0bc5e

SHA256
01bb57cf2c0da84571959616437c0618944683f70752c18dcb853019906f4d85

SHA512
dc1330a28d6eb32f1fa864b824bd4aaff90a3f2834583d94f9bdf43c2aa3fec471f656553b8cefae4a26718e16e0d9b62eeacb99a535ac2e764a3731687a6090

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8B19.tmp

Filesize
1KB

MD5
1a8779d49a2111e7e0ba12b16e4b5516

SHA1
35f02b25cb79bc3395e3e0f6bc3a15c6d64ca9de

SHA256
1585ad39da225e3e0dbc424c17212604d3d1b90c7631a08bd3d3510325090842

SHA512
d5a60b1f1a0353ab6b5c2354d6bda75ac1156f73e0b2d0a3b115d66578dd4c5c092a04a1059da4c3a336512aaf7dea614583f5d69becac53df58ccd630701e8d

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp93B4.tmp

Filesize
1KB

MD5
f964b80debb763d0dbd0c6914cef7eaa

SHA1
4032c4feae2a63339c4001b9eba64d22305a0cf7

SHA256
095892b6f71fd1ef6311da6df56fac6d0e315994014fab2d4a434f3d8b3f56c7

SHA512
c09b4051b638af64e3ef530705b85f15f96441b7bd859f860646dd927f361ee07552720805c7405661ede2449fa4269a87351116c43b56736cb4bfd3cb210689

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp95A9.tmp

Filesize
1KB

MD5
2f26d92c1eeead3896820e56ec46f6f1

SHA1
d95533b61eed7d89e4ada56bc566d60e42ac1f61

SHA256
99a158463ce40c750bad6991ae1fceece305a0dbf8e209dd7147b5d539756bfa

SHA512
6c1ed12d5e1afcd9e7f327e0153786fd8594f75a995f341c408ef014e69917452a9fe99c511f0249aceb57b3045b707f1fd3f404e4086cfbf0aadcb3318db892

Download Submit
memory/1600-148-0x0000000005300000-0x000000000530A000-memory.dmp

Filesize
40KB

Download
memory/1600-144-0x0000000000000000-mapping.dmp

Download
memory/1600-145-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1600-146-0x0000000005860000-0x0000000005E04000-memory.dmp

Filesize
5.6MB

Download
memory/2044-136-0x0000000000000000-mapping.dmp

Download
memory/2044-163-0x00000000078E0000-0x00000000078E8000-memory.dmp

Filesize
32KB

Download
memory/2044-157-0x0000000007C00000-0x000000000827A000-memory.dmp

Filesize
6.5MB

Download
memory/2044-141-0x00000000052F0000-0x0000000005312000-memory.dmp

Filesize
136KB

Download
memory/2044-155-0x00000000753E0000-0x000000007542C000-memory.dmp

Filesize
304KB

Download
memory/2044-153-0x0000000006890000-0x00000000068C2000-memory.dmp

Filesize
200KB

Download
memory/2044-147-0x00000000062C0000-0x00000000062DE000-memory.dmp

Filesize
120KB

Download
memory/2316-135-0x0000000000000000-mapping.dmp

Download
memory/2316-138-0x0000000002A90000-0x0000000002AC6000-memory.dmp

Filesize
216KB

Download
memory/2316-139-0x00000000054A0000-0x0000000005AC8000-memory.dmp

Filesize
6.2MB

Download
memory/2316-162-0x00000000079E0000-0x00000000079FA000-memory.dmp

Filesize
104KB

Download
memory/2316-161-0x00000000078D0000-0x00000000078DE000-memory.dmp

Filesize
56KB

Download
memory/2316-143-0x0000000005D60000-0x0000000005DC6000-memory.dmp

Filesize
408KB

Download
memory/2316-154-0x00000000753E0000-0x000000007542C000-memory.dmp

Filesize
304KB

Download
memory/2316-142-0x0000000005C40000-0x0000000005CA6000-memory.dmp

Filesize
408KB

Download
memory/2316-156-0x00000000068E0000-0x00000000068FE000-memory.dmp

Filesize
120KB

Download
memory/2316-160-0x0000000007920000-0x00000000079B6000-memory.dmp

Filesize
600KB

Download
memory/2316-158-0x00000000076A0000-0x00000000076BA000-memory.dmp

Filesize
104KB

Download
memory/2316-159-0x0000000007710000-0x000000000771A000-memory.dmp

Filesize
40KB

Download
memory/3304-149-0x0000000000000000-mapping.dmp

Download
memory/4532-151-0x0000000000000000-mapping.dmp

Download
memory/4708-132-0x0000000000390000-0x0000000000440000-memory.dmp

Filesize
704KB

Download
memory/4708-134-0x0000000005730000-0x00000000057CC000-memory.dmp

Filesize
624KB

Download
memory/4708-133-0x0000000004FE0000-0x0000000005072000-memory.dmp

Filesize
584KB

Download
memory/5036-137-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads