nanocore | 22c1b6ff6835e90dbb3773779e25a637dbc147ac28ec5dd23b76a2e3eb9e5d3c

General

Target

1764b9bbfae2fb51e5d429b38ab2a608.exe
Size

669KB
MD5

1764b9bbfae2fb51e5d429b38ab2a608
SHA1

63478b83fd8c548a13e1811dc545166cfe640225
SHA256

22c1b6ff6835e90dbb3773779e25a637dbc147ac28ec5dd23b76a2e3eb9e5d3c
SHA512

0c8a3772610e04d0d6769743260240512f67bd76b0ac258db78514a5e0f96ec83ce3bcf27ff9a20dec74bd3f637b85ecb4ce22f69e682c0852b7615dc2a11291
SSDEEP

12288:QnVpn8YXr7siDvUvly/ue2+dMDemgLJt/smIAD51LnjS:QpXUiAvl6g4mqfUmb1LnjS

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

aje.ddns.net:9991

Mutex

95795f41-f87a-457f-bd26-b82b159f6c71

Attributes

activate_away_mode
true
backup_connection_host
aje.ddns.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2015-01-30T15:41:22.615452836Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
true
connect_delay
4000
connection_port
9991
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
95795f41-f87a-457f-bd26-b82b159f6c71
mutex_timeout
5000
prevent_system_sleep
true
primary_connection_host
aje.ddns.net
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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Control Panel\International\Geo\Nation	1764b9bbfae2fb51e5d429b38ab2a608.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\DDP Service = "C:\\Program Files (x86)\\DDP Service\\ddpsv.exe"	1764b9bbfae2fb51e5d429b38ab2a608.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	1764b9bbfae2fb51e5d429b38ab2a608.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3320 set thread context of 3024	3320	1764b9bbfae2fb51e5d429b38ab2a608.exe	95

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\DDP Service\ddpsv.exe	1764b9bbfae2fb51e5d429b38ab2a608.exe
File created	C:\Program Files (x86)\DDP Service\ddpsv.exe	1764b9bbfae2fb51e5d429b38ab2a608.exe

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

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/Job

T1053

pid	Process
2500	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
3024	1764b9bbfae2fb51e5d429b38ab2a608.exe
3024	1764b9bbfae2fb51e5d429b38ab2a608.exe
3024	1764b9bbfae2fb51e5d429b38ab2a608.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3024	1764b9bbfae2fb51e5d429b38ab2a608.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3024	1764b9bbfae2fb51e5d429b38ab2a608.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3320 wrote to memory of 2500	3320	1764b9bbfae2fb51e5d429b38ab2a608.exe	93
PID 3320 wrote to memory of 2500	3320	1764b9bbfae2fb51e5d429b38ab2a608.exe	93
PID 3320 wrote to memory of 2500	3320	1764b9bbfae2fb51e5d429b38ab2a608.exe	93
PID 3320 wrote to memory of 3024	3320	1764b9bbfae2fb51e5d429b38ab2a608.exe	95
PID 3320 wrote to memory of 3024	3320	1764b9bbfae2fb51e5d429b38ab2a608.exe	95
PID 3320 wrote to memory of 3024	3320	1764b9bbfae2fb51e5d429b38ab2a608.exe	95
PID 3320 wrote to memory of 3024	3320	1764b9bbfae2fb51e5d429b38ab2a608.exe	95
PID 3320 wrote to memory of 3024	3320	1764b9bbfae2fb51e5d429b38ab2a608.exe	95
PID 3320 wrote to memory of 3024	3320	1764b9bbfae2fb51e5d429b38ab2a608.exe	95
PID 3320 wrote to memory of 3024	3320	1764b9bbfae2fb51e5d429b38ab2a608.exe	95
PID 3320 wrote to memory of 3024	3320	1764b9bbfae2fb51e5d429b38ab2a608.exe	95

C:\Users\Admin\AppData\Local\Temp\1764b9bbfae2fb51e5d429b38ab2a608.exe
"C:\Users\Admin\AppData\Local\Temp\1764b9bbfae2fb51e5d429b38ab2a608.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3320
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Update\Windows" /XML "C:\Users\Admin\AppData\Local\Temp\850239035.xml"
  2⤵
  - Creates scheduled task(s)
  PID:2500
- C:\Users\Admin\AppData\Local\Temp\1764b9bbfae2fb51e5d429b38ab2a608.exe
  "C:\Users\Admin\AppData\Local\Temp\1764b9bbfae2fb51e5d429b38ab2a608.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:3024

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

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_v2.0_32\UsageLogs\1764b9bbfae2fb51e5d429b38ab2a608.exe.log

Filesize
312B

MD5
1754173b0ed4624c61fcf04f894e5bb6

SHA1
2fbf7999a2e14f19c9aeb1ac0e58b8a3859368b1

SHA256
19e1f5731300f62cc4bb6eac90e96b7ff5de1bf8c13a434f1a7e38ee6927d757

SHA512
63ae7b7da19c5b65ce73565042cf7386c8d53ab6645b901a9f684d5039e28addd91938d8d61cec153b675e80c25d92fae62bff53edf19914643c94f3a56db710

Download Submit
C:\Users\Admin\AppData\Local\Temp\850239035.xml

Filesize
1KB

MD5
37c9b1f9916401af3e8696cc26b51866

SHA1
4730465fd983599250f619ef882fd24685e32b99

SHA256
8efda0279a35fddd7511b3c429386b65407116e294cbaf33475d274237dca64f

SHA512
636cf4c71c278d1accd1252e6500d231646f46df2f8dde3c9ac2b2924df5b3e891f56888a99e866f68ccc3a2a2f0ae11b099c0552d1b241e843bfede68898cfd

Download Submit
memory/3024-11-0x0000000074F60000-0x0000000075511000-memory.dmp

Filesize
5.7MB

Download
memory/3024-17-0x0000000001640000-0x0000000001650000-memory.dmp

Filesize
64KB

Download
memory/3024-5-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3024-6-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3024-7-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3024-20-0x0000000001640000-0x0000000001650000-memory.dmp

Filesize
64KB

Download
memory/3024-19-0x0000000001640000-0x0000000001650000-memory.dmp

Filesize
64KB

Download
memory/3024-18-0x0000000074F60000-0x0000000075511000-memory.dmp

Filesize
5.7MB

Download
memory/3024-12-0x0000000001640000-0x0000000001650000-memory.dmp

Filesize
64KB

Download
memory/3024-14-0x0000000074F60000-0x0000000075511000-memory.dmp

Filesize
5.7MB

Download
memory/3320-2-0x0000000001850000-0x0000000001860000-memory.dmp

Filesize
64KB

Download
memory/3320-13-0x0000000074F60000-0x0000000075511000-memory.dmp

Filesize
5.7MB

Download
memory/3320-0-0x0000000074F60000-0x0000000075511000-memory.dmp

Filesize
5.7MB

Download
memory/3320-1-0x0000000074F60000-0x0000000075511000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads