nanocore | 81bd2fb64159b04490708e766f0449c15ffbc9c262642fe3b3eb79664c9a3d75

General

Target

7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe
Size

762KB
MD5

129940eb6b4747b1569e7da5f37157db
SHA1

833dbea5d5f6f2b6bf1f24d9ca2c6d807804b6d9
SHA256

7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32
SHA512

3272119368abc30454d2ff1f4430aa30b2f0e71999f4c32dceae7b28d925210f3d79d1f50ae797270f2641c5d5f8344cb6728fdbbfb4654cf829778e68086d68
SSDEEP

12288:z1VLXCxGmsXPqiPnXkATcCPqcPRh17SMJU9fkPCldfKVWjzDYRw6gXZjZ81GidIL:RVLXkGXPqiPnXkAICx5hxSM68ydSqHp7

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

iyhto.ddns.net:3531

Mutex

42c7bb0d-2a49-4c9a-b8e7-5ee248f484c7

Attributes

activate_away_mode
true
backup_connection_host
iyhto.ddns.net
backup_dns_server
buffer_size
65535
build_time
2020-08-18T04:21:38.557873036Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
3531
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
42c7bb0d-2a49-4c9a-b8e7-5ee248f484c7
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
iyhto.ddns.net
primary_dns_server
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:

7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Control Panel\International\Geo\Nation	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\UPNP Host = "C:\\Program Files (x86)\\UPNP Host\\upnphost.exe"	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe

description	pid	process	target process
PID 2128 set thread context of 4560	2128	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe

Drops file in Program Files directory 2 IoCs

Processes:

7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe

description	ioc	process
File created	C:\Program Files (x86)\UPNP Host\upnphost.exe	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe
File opened for modification	C:\Program Files (x86)\UPNP Host\upnphost.exe	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.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 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

4540 schtasks.exe

pid	process
4540	schtasks.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exepowershell.exe7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe

pid	process
2128	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe
2128	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe
2128	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe
2128	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe
1708	powershell.exe
1708	powershell.exe
4560	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe
4560	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe
4560	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe
4560	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe
4560	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe
4560	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe

pid process

4560 7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe

pid	process
4560	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exepowershell.exe7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe

description	pid	process
Token: SeDebugPrivilege	2128	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe
Token: SeDebugPrivilege	1708	powershell.exe
Token: SeDebugPrivilege	4560	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe

C:\Users\Admin\AppData\Local\Temp\7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe
"C:\Users\Admin\AppData\Local\Temp\7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2128

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\QDciObviIKfRDf.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1708

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QDciObviIKfRDf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3558.tmp"
2⤵
- Creates scheduled task(s)
PID:4540

C:\Users\Admin\AppData\Local\Temp\7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe
"C:\Users\Admin\AppData\Local\Temp\7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe"
2⤵
PID:4432

C:\Users\Admin\AppData\Local\Temp\7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe
"C:\Users\Admin\AppData\Local\Temp\7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.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
PID:4560

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

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\Microsoft\CLR_v4.0_32\UsageLogs\7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe.log
Filesize
1KB

MD5
36049bae97bba745c793444373453cb0

SHA1
eb6e9a822944e8e207abba1a5e53f0183a1684f1

SHA256
839fa1f9725719938ffa24533587b168bae2768f23ac09dccb3ad4ab8ae6abcd

SHA512
a6584b7b435afeffb6becfbed82517087030eb23534fa50deecd02330bf36d633ba22e979e36b9c27e35885f9cc1cc9481dadc53cc265be61391e11a7c2c7cdb

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_pp3xlpb0.k2f.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp3558.tmp
Filesize
1KB

MD5
1603c9a89a8f1880e7f3bf9e0024af42

SHA1
0093d631f0c8c8f954610edcc7c480c026b4af91

SHA256
b937baa0491dac9ff6696698054ba831285ec26d4d13337557381c9c1e6a0249

SHA512
89947ca4e2e63177676c021f6e3e7f5f51c9d53e4aebd77fa80e76a7b70288c927ffb211893ca7611f81551933c8b0ca846ea02e6b2b6ca2d192d83bb0727456

Download Submit
memory/1708-162-0x00000000056E0000-0x0000000005746000-memory.dmp

Filesize
408KB

Download
memory/1708-184-0x00000000061C0000-0x00000000061DE000-memory.dmp

Filesize
120KB

Download
memory/1708-192-0x0000000007250000-0x0000000007258000-memory.dmp

Filesize
32KB

Download
memory/1708-190-0x0000000007160000-0x000000000716E000-memory.dmp

Filesize
56KB

Download
memory/1708-189-0x00000000071B0000-0x0000000007246000-memory.dmp

Filesize
600KB

Download
memory/1708-145-0x0000000002330000-0x0000000002366000-memory.dmp

Filesize
216KB

Download
memory/1708-165-0x0000000004900000-0x0000000004910000-memory.dmp

Filesize
64KB

Download
memory/1708-147-0x0000000004F40000-0x0000000005568000-memory.dmp

Filesize
6.2MB

Download
memory/1708-188-0x0000000006FA0000-0x0000000006FAA000-memory.dmp

Filesize
40KB

Download
memory/1708-187-0x000000007EF40000-0x000000007EF50000-memory.dmp

Filesize
64KB

Download
memory/1708-186-0x0000000006F30000-0x0000000006F4A000-memory.dmp

Filesize
104KB

Download
memory/1708-151-0x0000000004CE0000-0x0000000004D02000-memory.dmp

Filesize
136KB

Download
memory/1708-161-0x0000000005670000-0x00000000056D6000-memory.dmp

Filesize
408KB

Download
memory/1708-185-0x0000000007570000-0x0000000007BEA000-memory.dmp

Filesize
6.5MB

Download
memory/1708-174-0x0000000070FE0000-0x000000007102C000-memory.dmp

Filesize
304KB

Download
memory/1708-191-0x0000000007270000-0x000000000728A000-memory.dmp

Filesize
104KB

Download
memory/1708-173-0x00000000061E0000-0x0000000006212000-memory.dmp

Filesize
200KB

Download
memory/1708-166-0x0000000004900000-0x0000000004910000-memory.dmp

Filesize
64KB

Download
memory/1708-169-0x0000000005C20000-0x0000000005C3E000-memory.dmp

Filesize
120KB

Download
memory/1708-171-0x0000000004900000-0x0000000004910000-memory.dmp

Filesize
64KB

Download
memory/2128-136-0x0000000007340000-0x00000000073D2000-memory.dmp

Filesize
584KB

Download
memory/2128-137-0x0000000007250000-0x0000000007260000-memory.dmp

Filesize
64KB

Download
memory/2128-133-0x0000000000220000-0x00000000002E4000-memory.dmp

Filesize
784KB

Download
memory/2128-134-0x0000000007250000-0x0000000007260000-memory.dmp

Filesize
64KB

Download
memory/2128-135-0x0000000007810000-0x0000000007DB4000-memory.dmp

Filesize
5.6MB

Download
memory/2128-140-0x000000000C510000-0x000000000C5AC000-memory.dmp

Filesize
624KB

Download
memory/2128-139-0x0000000007250000-0x0000000007260000-memory.dmp

Filesize
64KB

Download
memory/2128-138-0x0000000007250000-0x0000000007260000-memory.dmp

Filesize
64KB

Download
memory/4560-196-0x00000000055F0000-0x0000000005600000-memory.dmp

Filesize
64KB

Download
memory/4560-148-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4560-164-0x00000000055F0000-0x0000000005600000-memory.dmp

Filesize
64KB

Download
memory/4560-163-0x0000000005270000-0x000000000527A000-memory.dmp

Filesize
40KB

Download

description	pid	process	target process
PID 2128 wrote to memory of 1708	2128	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe	powershell.exe
PID 2128 wrote to memory of 1708	2128	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe	powershell.exe
PID 2128 wrote to memory of 1708	2128	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe	powershell.exe
PID 2128 wrote to memory of 4540	2128	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe	schtasks.exe
PID 2128 wrote to memory of 4540	2128	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe	schtasks.exe
PID 2128 wrote to memory of 4540	2128	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe	schtasks.exe
PID 2128 wrote to memory of 4432	2128	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe
PID 2128 wrote to memory of 4432	2128	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe
PID 2128 wrote to memory of 4432	2128	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe
PID 2128 wrote to memory of 4560	2128	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe
PID 2128 wrote to memory of 4560	2128	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe
PID 2128 wrote to memory of 4560	2128	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe
PID 2128 wrote to memory of 4560	2128	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe
PID 2128 wrote to memory of 4560	2128	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe
PID 2128 wrote to memory of 4560	2128	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe
PID 2128 wrote to memory of 4560	2128	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe
PID 2128 wrote to memory of 4560	2128	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads