nanocore | 10b92d67814cb1ee981b8c37a154d7b02fbd6370d230cd035521e50f538ea9ad

General

Target

10b92d67814cb1ee981b8c37a154d7b02fbd6370d230cd035521e50f538ea9ad.exe
Size

695KB
MD5

f01dcae5648f2c1d380381b25d5269b2
SHA1

0291857b3625b43f46fdcb5703f2cdb69266630c
SHA256

10b92d67814cb1ee981b8c37a154d7b02fbd6370d230cd035521e50f538ea9ad
SHA512

99ba20b64a3ef0bcf1e2e62d4406dcf005721a29f3c6661e415b11a325bc07e2c275e41f7babcbbf8562b07319b63eaca61e1b84028b70a60ce254a9b2aac63f
SSDEEP

12288:2uQw3rASf53iv0FCD8Ob+Ia0bF/DMMXAgwHL5Z:/rnf53iuRu+IbbFbFGZ

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

193.124.178.16:25080

Mutex

a3e638b8-7a74-493a-8cad-faa7bc071c10

Attributes

activate_away_mode
false
backup_connection_host
193.124.178.16
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2015-10-02T01:38:17.079107936Z
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
25080
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
a3e638b8-7a74-493a-8cad-faa7bc071c10
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
false
set_critical_process
false
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

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\SMTP Subsystem = "C:\\Program Files (x86)\\SMTP Subsystem\\smtpss.exe"	10b92d67814cb1ee981b8c37a154d7b02fbd6370d230cd035521e50f538ea9ad.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	10b92d67814cb1ee981b8c37a154d7b02fbd6370d230cd035521e50f538ea9ad.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2072 set thread context of 1624	2072	10b92d67814cb1ee981b8c37a154d7b02fbd6370d230cd035521e50f538ea9ad.exe	83

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\SMTP Subsystem\smtpss.exe	10b92d67814cb1ee981b8c37a154d7b02fbd6370d230cd035521e50f538ea9ad.exe
File opened for modification	C:\Program Files (x86)\SMTP Subsystem\smtpss.exe	10b92d67814cb1ee981b8c37a154d7b02fbd6370d230cd035521e50f538ea9ad.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	10b92d67814cb1ee981b8c37a154d7b02fbd6370d230cd035521e50f538ea9ad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	10b92d67814cb1ee981b8c37a154d7b02fbd6370d230cd035521e50f538ea9ad.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
1712	schtasks.exe
3652	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1624	10b92d67814cb1ee981b8c37a154d7b02fbd6370d230cd035521e50f538ea9ad.exe
1624	10b92d67814cb1ee981b8c37a154d7b02fbd6370d230cd035521e50f538ea9ad.exe
1624	10b92d67814cb1ee981b8c37a154d7b02fbd6370d230cd035521e50f538ea9ad.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1624	10b92d67814cb1ee981b8c37a154d7b02fbd6370d230cd035521e50f538ea9ad.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2072	10b92d67814cb1ee981b8c37a154d7b02fbd6370d230cd035521e50f538ea9ad.exe
Token: SeDebugPrivilege	1624	10b92d67814cb1ee981b8c37a154d7b02fbd6370d230cd035521e50f538ea9ad.exe
Token: SeDebugPrivilege	1624	10b92d67814cb1ee981b8c37a154d7b02fbd6370d230cd035521e50f538ea9ad.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2072 wrote to memory of 1624	2072	10b92d67814cb1ee981b8c37a154d7b02fbd6370d230cd035521e50f538ea9ad.exe	83
PID 2072 wrote to memory of 1624	2072	10b92d67814cb1ee981b8c37a154d7b02fbd6370d230cd035521e50f538ea9ad.exe	83
PID 2072 wrote to memory of 1624	2072	10b92d67814cb1ee981b8c37a154d7b02fbd6370d230cd035521e50f538ea9ad.exe	83
PID 2072 wrote to memory of 1624	2072	10b92d67814cb1ee981b8c37a154d7b02fbd6370d230cd035521e50f538ea9ad.exe	83
PID 2072 wrote to memory of 1624	2072	10b92d67814cb1ee981b8c37a154d7b02fbd6370d230cd035521e50f538ea9ad.exe	83
PID 1624 wrote to memory of 1712	1624	10b92d67814cb1ee981b8c37a154d7b02fbd6370d230cd035521e50f538ea9ad.exe	84
PID 1624 wrote to memory of 1712	1624	10b92d67814cb1ee981b8c37a154d7b02fbd6370d230cd035521e50f538ea9ad.exe	84
PID 1624 wrote to memory of 1712	1624	10b92d67814cb1ee981b8c37a154d7b02fbd6370d230cd035521e50f538ea9ad.exe	84
PID 1624 wrote to memory of 3652	1624	10b92d67814cb1ee981b8c37a154d7b02fbd6370d230cd035521e50f538ea9ad.exe	86
PID 1624 wrote to memory of 3652	1624	10b92d67814cb1ee981b8c37a154d7b02fbd6370d230cd035521e50f538ea9ad.exe	86
PID 1624 wrote to memory of 3652	1624	10b92d67814cb1ee981b8c37a154d7b02fbd6370d230cd035521e50f538ea9ad.exe	86

C:\Users\Admin\AppData\Local\Temp\10b92d67814cb1ee981b8c37a154d7b02fbd6370d230cd035521e50f538ea9ad.exe
"C:\Users\Admin\AppData\Local\Temp\10b92d67814cb1ee981b8c37a154d7b02fbd6370d230cd035521e50f538ea9ad.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2072
- C:\Users\Admin\AppData\Local\Temp\10b92d67814cb1ee981b8c37a154d7b02fbd6370d230cd035521e50f538ea9ad.exe
  C:\Users\Admin\AppData\Local\Temp\10b92d67814cb1ee981b8c37a154d7b02fbd6370d230cd035521e50f538ea9ad.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:1624
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "SMTP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp9819.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1712
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "SMTP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp9868.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3652

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

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\10b92d67814cb1ee981b8c37a154d7b02fbd6370d230cd035521e50f538ea9ad.exe.log

Filesize
319B

MD5
a4da81a3544d9cd85f257967c0a431fe

SHA1
ba6f59ae5c6a2674a1fda758b5ded92f76d5edb3

SHA256
ad372efe5e610b9c2a331ac8f17f83542ef78b92c875c206d76c84e158fb271e

SHA512
12348d4cb4b6534a43f122d18fc7276c524c5b7e8f242f446eefb4d2ffea8018aed53a854cb840b2f30669caf74d14daff4276c6676a15221c58c84b210d393f

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp9819.tmp

Filesize
1KB

MD5
9cecc994f3b3a5b3f4a5285a64ace878

SHA1
aba1672e28327c157d0b628d9cbcfded7669a548

SHA256
8d377991bcdb40c05b9287963c912a22164ef54ab13541f90df40da1aa83297e

SHA512
6a160e82125b39eab5fb7d4a153b736e64a09829eb353303a93687e3707357e45faf025c163546e7db377d6a11515407d4aad148cec5ad399da77ae3bb2ede74

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp9868.tmp

Filesize
1KB

MD5
0339b45ef206f4becc88be0d65e24b9e

SHA1
6503a1851f4ccd8c80a31f96bd7ae40d962c9fad

SHA256
3d568a47a8944a47f4aed6982755ac7ff7dda469cc1c81c213ecaa5d89de1f83

SHA512
c98f4513db34d50510dd986e0d812545c442bd5bef26932032b165759627fab4e00c95fe907ab3416a8a1042bfa77aa516c479f1ff7d1ec2f21ae66df8f72551

Download Submit
memory/1624-29-0x0000000075150000-0x0000000075701000-memory.dmp

Filesize
5.7MB

Download
memory/1624-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1624-24-0x0000000075150000-0x0000000075701000-memory.dmp

Filesize
5.7MB

Download
memory/1624-23-0x0000000075150000-0x0000000075701000-memory.dmp

Filesize
5.7MB

Download
memory/1624-30-0x0000000075150000-0x0000000075701000-memory.dmp

Filesize
5.7MB

Download
memory/1624-31-0x0000000075150000-0x0000000075701000-memory.dmp

Filesize
5.7MB

Download
memory/2072-18-0x0000000075150000-0x0000000075701000-memory.dmp

Filesize
5.7MB

Download
memory/2072-19-0x0000000075150000-0x0000000075701000-memory.dmp

Filesize
5.7MB

Download
memory/2072-1-0x0000000075150000-0x0000000075701000-memory.dmp

Filesize
5.7MB

Download
memory/2072-2-0x0000000075150000-0x0000000075701000-memory.dmp

Filesize
5.7MB

Download
memory/2072-0-0x0000000075152000-0x0000000075153000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads