nanocore | f0d060dc131d75a89792d7ac291b26350d9515c5f5ecbf8c9149a22a8c81111b

General

Target

f0d060dc131d75a89792d7ac291b26350d9515c5f5ecbf8c9149a22a8c81111b.exe
Size

681KB
MD5

b1d986e9c155fd11d3a1d2e01c9783cd
SHA1

7f1b1be16e8eab4573e7828611a54f69c59d1f22
SHA256

f0d060dc131d75a89792d7ac291b26350d9515c5f5ecbf8c9149a22a8c81111b
SHA512

e7f22f880c6ae38c23b2ed0852fbe06f2d6e26f63d4c4b05c77aad88105d4794f5ea66c5926fd1989e97c83b464725d0d16df158deb6b9395db8ab6aabea7a84
SSDEEP

12288:jrmtiK5oBG9q9jEbCREZ+gKfvuZIOIy20soND6jM4ZZFDkhQwC:jr+FoBG8eKfWWusoFSZZFD

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

kengroup.publicvm.com:5577

Mutex

2d946f88-95e7-4ef9-bf22-b17b601a3a0a

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-07-02T11:12:00.603845836Z
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
5577
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
2d946f88-95e7-4ef9-bf22-b17b601a3a0a
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
kengroup.publicvm.com
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
Nanocore family
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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	f0d060dc131d75a89792d7ac291b26350d9515c5f5ecbf8c9149a22a8c81111b.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\PCI Subsystem = "C:\\Program Files (x86)\\PCI Subsystem\\pciss.exe"	f0d060dc131d75a89792d7ac291b26350d9515c5f5ecbf8c9149a22a8c81111b.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	f0d060dc131d75a89792d7ac291b26350d9515c5f5ecbf8c9149a22a8c81111b.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3520 set thread context of 404	3520	f0d060dc131d75a89792d7ac291b26350d9515c5f5ecbf8c9149a22a8c81111b.exe	101

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\PCI Subsystem\pciss.exe	f0d060dc131d75a89792d7ac291b26350d9515c5f5ecbf8c9149a22a8c81111b.exe
File opened for modification	C:\Program Files (x86)\PCI Subsystem\pciss.exe	f0d060dc131d75a89792d7ac291b26350d9515c5f5ecbf8c9149a22a8c81111b.exe

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 5 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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f0d060dc131d75a89792d7ac291b26350d9515c5f5ecbf8c9149a22a8c81111b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f0d060dc131d75a89792d7ac291b26350d9515c5f5ecbf8c9149a22a8c81111b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
4644	schtasks.exe
2696	schtasks.exe
2676	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
404	f0d060dc131d75a89792d7ac291b26350d9515c5f5ecbf8c9149a22a8c81111b.exe
404	f0d060dc131d75a89792d7ac291b26350d9515c5f5ecbf8c9149a22a8c81111b.exe
404	f0d060dc131d75a89792d7ac291b26350d9515c5f5ecbf8c9149a22a8c81111b.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
404	f0d060dc131d75a89792d7ac291b26350d9515c5f5ecbf8c9149a22a8c81111b.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	404	f0d060dc131d75a89792d7ac291b26350d9515c5f5ecbf8c9149a22a8c81111b.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3520 wrote to memory of 2676	3520	f0d060dc131d75a89792d7ac291b26350d9515c5f5ecbf8c9149a22a8c81111b.exe	100
PID 3520 wrote to memory of 2676	3520	f0d060dc131d75a89792d7ac291b26350d9515c5f5ecbf8c9149a22a8c81111b.exe	100
PID 3520 wrote to memory of 2676	3520	f0d060dc131d75a89792d7ac291b26350d9515c5f5ecbf8c9149a22a8c81111b.exe	100
PID 3520 wrote to memory of 404	3520	f0d060dc131d75a89792d7ac291b26350d9515c5f5ecbf8c9149a22a8c81111b.exe	101
PID 3520 wrote to memory of 404	3520	f0d060dc131d75a89792d7ac291b26350d9515c5f5ecbf8c9149a22a8c81111b.exe	101
PID 3520 wrote to memory of 404	3520	f0d060dc131d75a89792d7ac291b26350d9515c5f5ecbf8c9149a22a8c81111b.exe	101
PID 3520 wrote to memory of 404	3520	f0d060dc131d75a89792d7ac291b26350d9515c5f5ecbf8c9149a22a8c81111b.exe	101
PID 3520 wrote to memory of 404	3520	f0d060dc131d75a89792d7ac291b26350d9515c5f5ecbf8c9149a22a8c81111b.exe	101
PID 3520 wrote to memory of 404	3520	f0d060dc131d75a89792d7ac291b26350d9515c5f5ecbf8c9149a22a8c81111b.exe	101
PID 3520 wrote to memory of 404	3520	f0d060dc131d75a89792d7ac291b26350d9515c5f5ecbf8c9149a22a8c81111b.exe	101
PID 3520 wrote to memory of 404	3520	f0d060dc131d75a89792d7ac291b26350d9515c5f5ecbf8c9149a22a8c81111b.exe	101
PID 404 wrote to memory of 4644	404	f0d060dc131d75a89792d7ac291b26350d9515c5f5ecbf8c9149a22a8c81111b.exe	103
PID 404 wrote to memory of 4644	404	f0d060dc131d75a89792d7ac291b26350d9515c5f5ecbf8c9149a22a8c81111b.exe	103
PID 404 wrote to memory of 4644	404	f0d060dc131d75a89792d7ac291b26350d9515c5f5ecbf8c9149a22a8c81111b.exe	103
PID 404 wrote to memory of 2696	404	f0d060dc131d75a89792d7ac291b26350d9515c5f5ecbf8c9149a22a8c81111b.exe	105
PID 404 wrote to memory of 2696	404	f0d060dc131d75a89792d7ac291b26350d9515c5f5ecbf8c9149a22a8c81111b.exe	105
PID 404 wrote to memory of 2696	404	f0d060dc131d75a89792d7ac291b26350d9515c5f5ecbf8c9149a22a8c81111b.exe	105

C:\Users\Admin\AppData\Local\Temp\f0d060dc131d75a89792d7ac291b26350d9515c5f5ecbf8c9149a22a8c81111b.exe
"C:\Users\Admin\AppData\Local\Temp\f0d060dc131d75a89792d7ac291b26350d9515c5f5ecbf8c9149a22a8c81111b.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3520
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uWyhyrvNHzsdDV" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3FB4.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2676
- C:\Users\Admin\AppData\Local\Temp\f0d060dc131d75a89792d7ac291b26350d9515c5f5ecbf8c9149a22a8c81111b.exe
  "C:\Users\Admin\AppData\Local\Temp\f0d060dc131d75a89792d7ac291b26350d9515c5f5ecbf8c9149a22a8c81111b.exe"
  2⤵
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:404
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "PCI Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp4503.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4644
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "PCI Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp4571.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2696

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\f0d060dc131d75a89792d7ac291b26350d9515c5f5ecbf8c9149a22a8c81111b.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp4503.tmp

Filesize
1KB

MD5
9f6194f08eb2ffd977d9ef9b5a2e9e59

SHA1
cf08a32c622093cdccc20e00a5604f3f6cfa79b1

SHA256
a0b56f02b152ed9efb4b549007062cb1813eca3da4e6411dac6af470e578dc25

SHA512
936d8ef644daf981b5e7b6eeee3e77e9302de457c1b6c3d7e007488602e7c77593bd6445507e8b8f01aa840142253d18bfd18e97e5b599d2f5458839335bb736

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp4571.tmp

Filesize
1KB

MD5
09063e7cc0d66a9aed53f2e2d2409103

SHA1
96f8fa15b5a3b2646f6691770a158c69ea7405a4

SHA256
369b159ef60c988373a3c85e0b10b5ff2178504465f11965ab0d66f14124f9a1

SHA512
c460a3cab70270c5cefe0464df6ddb9d50bb58ac9c49c7e62c9a55cc6bc30b6411cbc28ae418dd91b1ba1190f8394ccd937452ae70d7062740207d2ffc68e2ec

Download Submit
memory/404-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/404-30-0x0000000005010000-0x000000000501A000-memory.dmp

Filesize
40KB

Download
memory/404-34-0x0000000074A60000-0x0000000075210000-memory.dmp

Filesize
7.7MB

Download
memory/404-33-0x0000000074A60000-0x0000000075210000-memory.dmp

Filesize
7.7MB

Download
memory/404-32-0x00000000062A0000-0x00000000062AA000-memory.dmp

Filesize
40KB

Download
memory/404-31-0x00000000052C0000-0x00000000052DE000-memory.dmp

Filesize
120KB

Download
memory/404-22-0x0000000074A60000-0x0000000075210000-memory.dmp

Filesize
7.7MB

Download
memory/404-20-0x0000000074A60000-0x0000000075210000-memory.dmp

Filesize
7.7MB

Download
memory/3520-2-0x0000000005950000-0x0000000005EF4000-memory.dmp

Filesize
5.6MB

Download
memory/3520-0-0x0000000074A6E000-0x0000000074A6F000-memory.dmp

Filesize
4KB

Download
memory/3520-3-0x0000000005440000-0x00000000054D2000-memory.dmp

Filesize
584KB

Download
memory/3520-10-0x0000000006200000-0x0000000006284000-memory.dmp

Filesize
528KB

Download
memory/3520-21-0x0000000074A60000-0x0000000075210000-memory.dmp

Filesize
7.7MB

Download
memory/3520-9-0x0000000074A60000-0x0000000075210000-memory.dmp

Filesize
7.7MB

Download
memory/3520-11-0x00000000064C0000-0x0000000006510000-memory.dmp

Filesize
320KB

Download
memory/3520-1-0x0000000000A70000-0x0000000000B20000-memory.dmp

Filesize
704KB

Download
memory/3520-4-0x00000000053E0000-0x00000000053EA000-memory.dmp

Filesize
40KB

Download
memory/3520-8-0x0000000074A6E000-0x0000000074A6F000-memory.dmp

Filesize
4KB

Download
memory/3520-7-0x0000000005420000-0x0000000005442000-memory.dmp

Filesize
136KB

Download
memory/3520-6-0x00000000057F0000-0x000000000588C000-memory.dmp

Filesize
624KB

Download
memory/3520-5-0x0000000074A60000-0x0000000075210000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads