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

Executes dropped EXE 1 IoCs

pid	Process
2708	app.exe

Loads dropped DLL 1 IoCs

pid	Process
2104	NEAS.e1f61de3ae82c0cc2b89aa86dc3ef6d0.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-1-5-21-2085049433-1067986815-1244098655-1000\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 2708 set thread context of 2604	2708	app.exe	31

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
1668	schtasks.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2104	NEAS.e1f61de3ae82c0cc2b89aa86dc3ef6d0.exe
2104	NEAS.e1f61de3ae82c0cc2b89aa86dc3ef6d0.exe
2104	NEAS.e1f61de3ae82c0cc2b89aa86dc3ef6d0.exe
2104	NEAS.e1f61de3ae82c0cc2b89aa86dc3ef6d0.exe
2104	NEAS.e1f61de3ae82c0cc2b89aa86dc3ef6d0.exe
2104	NEAS.e1f61de3ae82c0cc2b89aa86dc3ef6d0.exe
2708	app.exe
2708	app.exe
2708	app.exe
2708	app.exe
2708	app.exe
2708	app.exe
2604	aspnet_compiler.exe
2604	aspnet_compiler.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2604	aspnet_compiler.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2104	NEAS.e1f61de3ae82c0cc2b89aa86dc3ef6d0.exe
Token: SeDebugPrivilege	2708	app.exe
Token: SeDebugPrivilege	2604	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2104 wrote to memory of 2708	2104	NEAS.e1f61de3ae82c0cc2b89aa86dc3ef6d0.exe	30
PID 2104 wrote to memory of 2708	2104	NEAS.e1f61de3ae82c0cc2b89aa86dc3ef6d0.exe	30
PID 2104 wrote to memory of 2708	2104	NEAS.e1f61de3ae82c0cc2b89aa86dc3ef6d0.exe	30
PID 2104 wrote to memory of 2708	2104	NEAS.e1f61de3ae82c0cc2b89aa86dc3ef6d0.exe	30
PID 2708 wrote to memory of 2604	2708	app.exe	31
PID 2708 wrote to memory of 2604	2708	app.exe	31
PID 2708 wrote to memory of 2604	2708	app.exe	31
PID 2708 wrote to memory of 2604	2708	app.exe	31
PID 2708 wrote to memory of 2604	2708	app.exe	31
PID 2708 wrote to memory of 2604	2708	app.exe	31
PID 2708 wrote to memory of 2604	2708	app.exe	31
PID 2708 wrote to memory of 2604	2708	app.exe	31
PID 2708 wrote to memory of 2604	2708	app.exe	31
PID 2604 wrote to memory of 1668	2604	aspnet_compiler.exe	32
PID 2604 wrote to memory of 1668	2604	aspnet_compiler.exe	32
PID 2604 wrote to memory of 1668	2604	aspnet_compiler.exe	32
PID 2604 wrote to memory of 1668	2604	aspnet_compiler.exe	32

C:\Users\Admin\AppData\Local\Temp\NEAS.e1f61de3ae82c0cc2b89aa86dc3ef6d0.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.e1f61de3ae82c0cc2b89aa86dc3ef6d0.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2104
- 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:2708
- - 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:2604
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "DPI Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmpFFE2.tmp"
      4⤵
      Creates scheduled task(s)
      PID:1668

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
2f3772f766492726ef5606833635067a

SHA1
28dd1aa92cd74f371a0e41ebb1741bb3cfd03e16

SHA256
b405369b854df8359615dba793e22efc3c5779ac70f15d2c86880869dd4ea0f9

SHA512
4a4a90f2cc6ccea49ca3de98c16d0ce87797a713dc34543367e03fc4b7f018768514ab7ab371cda322fd68331c0c7f6eac55720e7085c89f28de3f351a2504c4

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab2B93.tmp

Filesize
61KB

MD5
f3441b8572aae8801c04f3060b550443

SHA1
4ef0a35436125d6821831ef36c28ffaf196cda15

SHA256
6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

SHA512
5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpFFE2.tmp

Filesize
1KB

MD5
d81eb43d26d4511c44151cba2eb45983

SHA1
135c98e039c6ab35d4e9564f15f9c56dc9dbeb9a

SHA256
a72a8f6434d6b0fb904db5adc8cab891d12c53b4ac1435dfd13df51f84a2d4d0

SHA512
b5895c19159d23a8fa312967e47d0855ac6f8f314f8931f54469b0c0079a22e9e00a5eaf6729761f74d54e111454d49813e658243e920a9c3434a5576cdda721

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

Filesize
1.1MB

MD5
1846d1fc0d19afe3eb3410058c3233c5

SHA1
58966efe48c8a701d44e0fe2971b358eed5cce48

SHA256
841a5b4cdd12f460ac911772bb4b81ffb0e5d1875799ecb46fc9842460144569

SHA512
4dcd77f2119ccdd5de38d483ad9dc000b6857bfb8e287cf2dc180010e7cd21ca3eaf531fe86a0c15df482c590353446777393f7b6d013cdf8dcf81d8ad5d47f4

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

Filesize
1.1MB

MD5
1846d1fc0d19afe3eb3410058c3233c5

SHA1
58966efe48c8a701d44e0fe2971b358eed5cce48

SHA256
841a5b4cdd12f460ac911772bb4b81ffb0e5d1875799ecb46fc9842460144569

SHA512
4dcd77f2119ccdd5de38d483ad9dc000b6857bfb8e287cf2dc180010e7cd21ca3eaf531fe86a0c15df482c590353446777393f7b6d013cdf8dcf81d8ad5d47f4

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

Filesize
1.1MB

MD5
1846d1fc0d19afe3eb3410058c3233c5

SHA1
58966efe48c8a701d44e0fe2971b358eed5cce48

SHA256
841a5b4cdd12f460ac911772bb4b81ffb0e5d1875799ecb46fc9842460144569

SHA512
4dcd77f2119ccdd5de38d483ad9dc000b6857bfb8e287cf2dc180010e7cd21ca3eaf531fe86a0c15df482c590353446777393f7b6d013cdf8dcf81d8ad5d47f4

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

Filesize
1.1MB

MD5
1846d1fc0d19afe3eb3410058c3233c5

SHA1
58966efe48c8a701d44e0fe2971b358eed5cce48

SHA256
841a5b4cdd12f460ac911772bb4b81ffb0e5d1875799ecb46fc9842460144569

SHA512
4dcd77f2119ccdd5de38d483ad9dc000b6857bfb8e287cf2dc180010e7cd21ca3eaf531fe86a0c15df482c590353446777393f7b6d013cdf8dcf81d8ad5d47f4

Download Submit
memory/2104-17-0x0000000000670000-0x00000000006B0000-memory.dmp

Filesize
256KB

Download
memory/2104-16-0x0000000000670000-0x00000000006B0000-memory.dmp

Filesize
256KB

Download
memory/2104-15-0x0000000000670000-0x00000000006B0000-memory.dmp

Filesize
256KB

Download
memory/2104-14-0x00000000742D0000-0x000000007487B000-memory.dmp

Filesize
5.7MB

Download
memory/2104-13-0x0000000000670000-0x00000000006B0000-memory.dmp

Filesize
256KB

Download
memory/2104-34-0x00000000742D0000-0x000000007487B000-memory.dmp

Filesize
5.7MB

Download
memory/2104-12-0x0000000000670000-0x00000000006B0000-memory.dmp

Filesize
256KB

Download
memory/2104-9-0x0000000000670000-0x00000000006B0000-memory.dmp

Filesize
256KB

Download
memory/2104-0-0x00000000742D0000-0x000000007487B000-memory.dmp

Filesize
5.7MB

Download
memory/2104-2-0x00000000742D0000-0x000000007487B000-memory.dmp

Filesize
5.7MB

Download
memory/2604-61-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2604-65-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2604-75-0x00000000002C0000-0x0000000000300000-memory.dmp

Filesize
256KB

Download
memory/2604-74-0x00000000742D0000-0x000000007487B000-memory.dmp

Filesize
5.7MB

Download
memory/2604-68-0x00000000002C0000-0x0000000000300000-memory.dmp

Filesize
256KB

Download
memory/2604-69-0x00000000742D0000-0x000000007487B000-memory.dmp

Filesize
5.7MB

Download
memory/2604-67-0x00000000742D0000-0x000000007487B000-memory.dmp

Filesize
5.7MB

Download
memory/2604-63-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2604-55-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2604-54-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2604-56-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2604-58-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2604-59-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2708-37-0x0000000000C00000-0x0000000000C40000-memory.dmp

Filesize
256KB

Download
memory/2708-52-0x0000000000C00000-0x0000000000C40000-memory.dmp

Filesize
256KB

Download
memory/2708-66-0x00000000742D0000-0x000000007487B000-memory.dmp

Filesize
5.7MB

Download
memory/2708-38-0x00000000742D0000-0x000000007487B000-memory.dmp

Filesize
5.7MB

Download
memory/2708-51-0x0000000000C00000-0x0000000000C40000-memory.dmp

Filesize
256KB

Download
memory/2708-50-0x0000000000C00000-0x0000000000C40000-memory.dmp

Filesize
256KB

Download
memory/2708-49-0x00000000742D0000-0x000000007487B000-memory.dmp

Filesize
5.7MB

Download
memory/2708-36-0x00000000742D0000-0x000000007487B000-memory.dmp

Filesize
5.7MB

Download
memory/2708-48-0x0000000000C00000-0x0000000000C40000-memory.dmp

Filesize
256KB

Download
memory/2708-47-0x0000000000C00000-0x0000000000C40000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads