nanocore | d129398292430deb37e9e90bb52b5f400b167b34d10c5f0df2866c8fd1da01f0

General

Target

d129398292430deb37e9e90bb52b5f400b167b34d10c5f0df2866c8fd1da01f0.exe
Size

415KB
MD5

e6b238c4371203251e7ac472a040f098
SHA1

c767db75bd59ae98ddd40a1d01d0dcecc0c44ab5
SHA256

d129398292430deb37e9e90bb52b5f400b167b34d10c5f0df2866c8fd1da01f0
SHA512

406dbecde1d7b38189f6550e366a531cf5f650a7caac08aa8422a3557772e2577ac7373888f6c908c067a02dff770c3372bd3b5042c9d8b2bef3e616446b1795
SSDEEP

6144:ITNE3ZRrnaBVlvphVxmP+6CiejgcME1cwYfU+va+RU7:ITNYrnE3bm/CiejewY5vQ

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

[email protected]:46218

178.32.224.116:46218

Mutex

4af74541-e3f1-469c-8af7-efe4071b81cf

Attributes

activate_away_mode
false
backup_connection_host
178.32.224.116
backup_dns_server
buffer_size
65535
build_time
2018-07-28T12:59:38.488799236Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
false
clear_zone_identifier
false
connect_delay
4000
connection_port
46218
default_group
tourex
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
4af74541-e3f1-469c-8af7-efe4071b81cf
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
[email protected]
primary_dns_server
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

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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	d129398292430deb37e9e90bb52b5f400b167b34d10c5f0df2866c8fd1da01f0.exe

Executes dropped EXE 1 IoCs

pid	Process
1172	ximo2ubzn1i.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\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\c5e4gxfvd4v = "C:\\Users\\Admin\\AppData\\Roaming\\c5e4gxfvd4v\\ximo2ubzn1i.exe"	d129398292430deb37e9e90bb52b5f400b167b34d10c5f0df2866c8fd1da01f0.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	regasm.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1172 set thread context of 2088	1172	ximo2ubzn1i.exe	83

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 3 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	ximo2ubzn1i.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regasm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d129398292430deb37e9e90bb52b5f400b167b34d10c5f0df2866c8fd1da01f0.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2088	regasm.exe
2088	regasm.exe
2088	regasm.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2088	regasm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2088	regasm.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4300 wrote to memory of 1172	4300	d129398292430deb37e9e90bb52b5f400b167b34d10c5f0df2866c8fd1da01f0.exe	82
PID 4300 wrote to memory of 1172	4300	d129398292430deb37e9e90bb52b5f400b167b34d10c5f0df2866c8fd1da01f0.exe	82
PID 4300 wrote to memory of 1172	4300	d129398292430deb37e9e90bb52b5f400b167b34d10c5f0df2866c8fd1da01f0.exe	82
PID 1172 wrote to memory of 2088	1172	ximo2ubzn1i.exe	83
PID 1172 wrote to memory of 2088	1172	ximo2ubzn1i.exe	83
PID 1172 wrote to memory of 2088	1172	ximo2ubzn1i.exe	83
PID 1172 wrote to memory of 2088	1172	ximo2ubzn1i.exe	83
PID 1172 wrote to memory of 2088	1172	ximo2ubzn1i.exe	83
PID 1172 wrote to memory of 2088	1172	ximo2ubzn1i.exe	83
PID 1172 wrote to memory of 2088	1172	ximo2ubzn1i.exe	83
PID 1172 wrote to memory of 2088	1172	ximo2ubzn1i.exe	83

C:\Users\Admin\AppData\Local\Temp\d129398292430deb37e9e90bb52b5f400b167b34d10c5f0df2866c8fd1da01f0.exe
"C:\Users\Admin\AppData\Local\Temp\d129398292430deb37e9e90bb52b5f400b167b34d10c5f0df2866c8fd1da01f0.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4300
- C:\Users\Admin\AppData\Roaming\c5e4gxfvd4v\ximo2ubzn1i.exe
  "C:\Users\Admin\AppData\Roaming\c5e4gxfvd4v\ximo2ubzn1i.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1172
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
    3⤵
    - Checks whether UAC is enabled
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:2088

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

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

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Downloads

C:\Users\Admin\AppData\Roaming\c5e4gxfvd4v\ximo2ubzn1i.exe

Filesize
415KB

MD5
0cb01da0cb253d0ada949db061dbb95b

SHA1
c14de86feb409c5b3dc6e1de927f0839531f398c

SHA256
c194f9234f74758583a11d60d2b67fe8a6ddd77f76e59a70ca6d1a1ab785b131

SHA512
9bb793a205ac88bfae97096e65170b59793f4f4db78988a40e708e28be7fee32e561d4c5436264cf350109799cf23abeaacc9543c541021827776ed9036e51ca

Download Submit
memory/1172-35-0x0000000075350000-0x0000000075B00000-memory.dmp

Filesize
7.7MB

Download
memory/1172-33-0x0000000075350000-0x0000000075B00000-memory.dmp

Filesize
7.7MB

Download
memory/1172-22-0x0000000075350000-0x0000000075B00000-memory.dmp

Filesize
7.7MB

Download
memory/1172-21-0x0000000075350000-0x0000000075B00000-memory.dmp

Filesize
7.7MB

Download
memory/2088-28-0x0000000004A70000-0x0000000004B0C000-memory.dmp

Filesize
624KB

Download
memory/2088-32-0x00000000058E0000-0x00000000058EA000-memory.dmp

Filesize
40KB

Download
memory/2088-36-0x0000000075350000-0x0000000075B00000-memory.dmp

Filesize
7.7MB

Download
memory/2088-31-0x0000000004A50000-0x0000000004A6E000-memory.dmp

Filesize
120KB

Download
memory/2088-30-0x0000000004A40000-0x0000000004A4A000-memory.dmp

Filesize
40KB

Download
memory/2088-27-0x0000000075350000-0x0000000075B00000-memory.dmp

Filesize
7.7MB

Download
memory/2088-25-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2088-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2088-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4300-3-0x0000000005000000-0x0000000005092000-memory.dmp

Filesize
584KB

Download
memory/4300-0-0x000000007535E000-0x000000007535F000-memory.dmp

Filesize
4KB

Download
memory/4300-4-0x0000000075350000-0x0000000075B00000-memory.dmp

Filesize
7.7MB

Download
memory/4300-20-0x0000000075350000-0x0000000075B00000-memory.dmp

Filesize
7.7MB

Download
memory/4300-6-0x0000000005110000-0x000000000514C000-memory.dmp

Filesize
240KB

Download
memory/4300-2-0x00000000056C0000-0x0000000005C64000-memory.dmp

Filesize
5.6MB

Download
memory/4300-1-0x0000000000650000-0x00000000006BE000-memory.dmp

Filesize
440KB

Download
memory/4300-5-0x0000000004F60000-0x0000000004F6A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads