nanocore | 8a1122b932941d8fedeb0ea81ca928cd955a577ba4b79b9ea3973828829fdb7b

General

Target

NEAS.e1f61de3ae82c0cc2b89aa86dc3ef6d0.exe
Size

1.1MB
MD5

e1f61de3ae82c0cc2b89aa86dc3ef6d0
SHA1

f5c7ab2ec02c21e703afd9cd6f7e6804671072a7
SHA256

8a1122b932941d8fedeb0ea81ca928cd955a577ba4b79b9ea3973828829fdb7b
SHA512

893696b69be5633a509476b4e869111d74e1da7091d21558a1169704d04084a1fd3a80946b877d039209944f7fc538e1006ffaaa68c41408da858afdd9a6126a
SSDEEP

24576:pdtP2cbksTpugRNJI50FMJFMFggMFgMFgggMJFggMFggoNu2EiJ8:qgqW

Score

10^/10

nanocore keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

91.236.116.142:5888

Mutex

d995ed82-bf13-4043-b564-f5f89f8c5209

Attributes

activate_away_mode
true
backup_connection_host
91.236.116.142
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2017-01-07T03:01:54.729778636Z
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
5888
default_group
Spy
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
d995ed82-bf13-4043-b564-f5f89f8c5209
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
91.236.116.142
primary_dns_server
8.8.8.8
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

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-1-5-21-3125601242-331447593-1512828465-1000\Control Panel\International\Geo\Nation	NEAS.e1f61de3ae82c0cc2b89aa86dc3ef6d0.exe

Executes dropped EXE 1 IoCs

pid	Process
3992	app.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-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\app.exe"	NEAS.e1f61de3ae82c0cc2b89aa86dc3ef6d0.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3992 set thread context of 4380	3992	app.exe	111

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
2564	schtasks.exe

Suspicious behavior: EnumeratesProcesses 21 IoCs

pid	Process
4172	NEAS.e1f61de3ae82c0cc2b89aa86dc3ef6d0.exe
4172	NEAS.e1f61de3ae82c0cc2b89aa86dc3ef6d0.exe
4172	NEAS.e1f61de3ae82c0cc2b89aa86dc3ef6d0.exe
4172	NEAS.e1f61de3ae82c0cc2b89aa86dc3ef6d0.exe
4172	NEAS.e1f61de3ae82c0cc2b89aa86dc3ef6d0.exe
4172	NEAS.e1f61de3ae82c0cc2b89aa86dc3ef6d0.exe
3992	app.exe
3992	app.exe
3992	app.exe
3992	app.exe
3992	app.exe
3992	app.exe
3992	app.exe
3992	app.exe
3992	app.exe
3992	app.exe
3992	app.exe
3992	app.exe
4380	aspnet_compiler.exe
4380	aspnet_compiler.exe
4380	aspnet_compiler.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4380	aspnet_compiler.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4172	NEAS.e1f61de3ae82c0cc2b89aa86dc3ef6d0.exe
Token: SeDebugPrivilege	3992	app.exe
Token: SeDebugPrivilege	4380	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4172 wrote to memory of 3992	4172	NEAS.e1f61de3ae82c0cc2b89aa86dc3ef6d0.exe	103
PID 4172 wrote to memory of 3992	4172	NEAS.e1f61de3ae82c0cc2b89aa86dc3ef6d0.exe	103
PID 4172 wrote to memory of 3992	4172	NEAS.e1f61de3ae82c0cc2b89aa86dc3ef6d0.exe	103
PID 3992 wrote to memory of 4380	3992	app.exe	111
PID 3992 wrote to memory of 4380	3992	app.exe	111
PID 3992 wrote to memory of 4380	3992	app.exe	111
PID 3992 wrote to memory of 4380	3992	app.exe	111
PID 3992 wrote to memory of 4380	3992	app.exe	111
PID 3992 wrote to memory of 4380	3992	app.exe	111
PID 3992 wrote to memory of 4380	3992	app.exe	111
PID 3992 wrote to memory of 4380	3992	app.exe	111
PID 4380 wrote to memory of 2564	4380	aspnet_compiler.exe	112
PID 4380 wrote to memory of 2564	4380	aspnet_compiler.exe	112
PID 4380 wrote to memory of 2564	4380	aspnet_compiler.exe	112

C:\Users\Admin\AppData\Local\Temp\NEAS.e1f61de3ae82c0cc2b89aa86dc3ef6d0.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.e1f61de3ae82c0cc2b89aa86dc3ef6d0.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4172
- C:\Users\Admin\AppData\Roaming\app.exe
  "C:\Users\Admin\AppData\Roaming\app.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3992
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\aspnet_compiler.exe"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4380
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "DDP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmpB220.tmp"
      4⤵
      Creates scheduled task(s)
      PID:2564

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

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpB220.tmp

Filesize
1KB

MD5
d81eb43d26d4511c44151cba2eb45983

SHA1
135c98e039c6ab35d4e9564f15f9c56dc9dbeb9a

SHA256
a72a8f6434d6b0fb904db5adc8cab891d12c53b4ac1435dfd13df51f84a2d4d0

SHA512
b5895c19159d23a8fa312967e47d0855ac6f8f314f8931f54469b0c0079a22e9e00a5eaf6729761f74d54e111454d49813e658243e920a9c3434a5576cdda721

Download Submit
C:\Users\Admin\AppData\Roaming\app.exe

Filesize
1.1MB

MD5
3db52f4b619b6ecc831a78f6e3fc6c33

SHA1
7f08bbbc4578e7662ce1c19a08ccc2991099e2eb

SHA256
dfd8b07da3eda3a10f692f37ca126d7e2b51383398fc819482e3c4b5e8b986ad

SHA512
6039f4d7018a3821238908676d172cac7ff45ffaab23733957b5494dc0690e49993128153ac7a5d8d35e30a40ae4642a2041da227181d3a8d26af06907d359a4

Download Submit
C:\Users\Admin\AppData\Roaming\app.exe

Filesize
1.1MB

MD5
3db52f4b619b6ecc831a78f6e3fc6c33

SHA1
7f08bbbc4578e7662ce1c19a08ccc2991099e2eb

SHA256
dfd8b07da3eda3a10f692f37ca126d7e2b51383398fc819482e3c4b5e8b986ad

SHA512
6039f4d7018a3821238908676d172cac7ff45ffaab23733957b5494dc0690e49993128153ac7a5d8d35e30a40ae4642a2041da227181d3a8d26af06907d359a4

Download Submit
C:\Users\Admin\AppData\Roaming\app.exe

Filesize
1.1MB

MD5
3db52f4b619b6ecc831a78f6e3fc6c33

SHA1
7f08bbbc4578e7662ce1c19a08ccc2991099e2eb

SHA256
dfd8b07da3eda3a10f692f37ca126d7e2b51383398fc819482e3c4b5e8b986ad

SHA512
6039f4d7018a3821238908676d172cac7ff45ffaab23733957b5494dc0690e49993128153ac7a5d8d35e30a40ae4642a2041da227181d3a8d26af06907d359a4

Download Submit
memory/3992-29-0x0000000074950000-0x0000000074F01000-memory.dmp

Filesize
5.7MB

Download
memory/3992-42-0x0000000074950000-0x0000000074F01000-memory.dmp

Filesize
5.7MB

Download
memory/3992-35-0x0000000000CB0000-0x0000000000CC0000-memory.dmp

Filesize
64KB

Download
memory/3992-34-0x0000000074950000-0x0000000074F01000-memory.dmp

Filesize
5.7MB

Download
memory/3992-33-0x0000000000CB0000-0x0000000000CC0000-memory.dmp

Filesize
64KB

Download
memory/3992-32-0x0000000000CB0000-0x0000000000CC0000-memory.dmp

Filesize
64KB

Download
memory/3992-31-0x0000000074950000-0x0000000074F01000-memory.dmp

Filesize
5.7MB

Download
memory/4172-7-0x0000000001470000-0x0000000001480000-memory.dmp

Filesize
64KB

Download
memory/4172-30-0x0000000074950000-0x0000000074F01000-memory.dmp

Filesize
5.7MB

Download
memory/4172-0-0x0000000074950000-0x0000000074F01000-memory.dmp

Filesize
5.7MB

Download
memory/4172-6-0x0000000001470000-0x0000000001480000-memory.dmp

Filesize
64KB

Download
memory/4172-5-0x0000000001470000-0x0000000001480000-memory.dmp

Filesize
64KB

Download
memory/4172-4-0x0000000074950000-0x0000000074F01000-memory.dmp

Filesize
5.7MB

Download
memory/4172-3-0x0000000074950000-0x0000000074F01000-memory.dmp

Filesize
5.7MB

Download
memory/4172-1-0x0000000074950000-0x0000000074F01000-memory.dmp

Filesize
5.7MB

Download
memory/4172-2-0x0000000001470000-0x0000000001480000-memory.dmp

Filesize
64KB

Download
memory/4380-40-0x0000000001870000-0x0000000001880000-memory.dmp

Filesize
64KB

Download
memory/4380-41-0x0000000074950000-0x0000000074F01000-memory.dmp

Filesize
5.7MB

Download
memory/4380-39-0x0000000074950000-0x0000000074F01000-memory.dmp

Filesize
5.7MB

Download
memory/4380-37-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4380-47-0x0000000001870000-0x0000000001880000-memory.dmp

Filesize
64KB

Download
memory/4380-48-0x0000000074950000-0x0000000074F01000-memory.dmp

Filesize
5.7MB

Download
memory/4380-49-0x0000000001870000-0x0000000001880000-memory.dmp

Filesize
64KB

Download
memory/4380-50-0x0000000001870000-0x0000000001880000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads