nanocore | e65723a395c55f4757594df4365384327d4cf2256004e3bfbeb1f8fd35c65fbf

General

Target

e65723a395c55f4757594df4365384327d4cf2256004e3bfbeb1f8fd35c65fbf.exe
Size

1.7MB
MD5

ea95d5c8cbd2057f690affb7dea8049b
SHA1

7eb10e65700d7d79d2b398f5fc5383dfa421f733
SHA256

e65723a395c55f4757594df4365384327d4cf2256004e3bfbeb1f8fd35c65fbf
SHA512

e00beb85a726cdc7751f205134e3d8caad0bbd8c3480951398002fbb68ef6d57c7281cacc8ebf5fc2ca436bdded4646ea5f60fb4c961ff2579e018c83f967734
SSDEEP

24576:xthEVaPqLB/OXA8faoMTRpyikthEVaPqLB/OXA8faoMTRpyix:pEVUcwkB3V4EVUcwkB3Vx

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan upx

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

lolli.no-ip.info:1133

Mutex

e230b6f6-7d07-46a4-ae63-b23db679b6b4

Attributes

activate_away_mode
true
backup_connection_host
lolli.no-ip.info
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2015-02-05T19:59:01.018438736Z
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
1133
default_group
extreme v2 tut
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
e230b6f6-7d07-46a4-ae63-b23db679b6b4
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
lolli.no-ip.info
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
Nanocore family
nanocore

Executes dropped EXE 1 IoCs

pid	Process
1892	net.exe

Adds Run key to start application 2 TTPs 2 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\DHCP Host = "C:\\Program Files (x86)\\DHCP Host\\dhcphost.exe"	net.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft = "C:\\ProgramData\\SoundDriver\\svchost.exe"	svchost.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	net.exe

AutoIT Executable 2 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/1208-9-0x0000000000400000-0x0000000000516000-memory.dmp	autoit_exe
behavioral2/memory/3928-32-0x0000000000400000-0x0000000000516000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3928 set thread context of 4144	3928	e65723a395c55f4757594df4365384327d4cf2256004e3bfbeb1f8fd35c65fbf.exe	84
PID 4144 set thread context of 1892	4144	svchost.exe	86

UPX packed file 8 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1208-0-0x0000000000400000-0x0000000000516000-memory.dmp	upx
behavioral2/memory/1208-9-0x0000000000400000-0x0000000000516000-memory.dmp	upx
behavioral2/memory/4144-24-0x0000000000400000-0x00000000004D1000-memory.dmp	upx
behavioral2/memory/4144-29-0x0000000000400000-0x00000000004D1000-memory.dmp	upx
behavioral2/memory/4144-22-0x0000000000400000-0x00000000004D1000-memory.dmp	upx
behavioral2/memory/3928-32-0x0000000000400000-0x0000000000516000-memory.dmp	upx
behavioral2/files/0x000c000000023b7b-33.dat	upx
behavioral2/memory/4144-40-0x0000000000400000-0x00000000004D1000-memory.dmp	upx

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\DHCP Host\dhcphost.exe	net.exe
File opened for modification	C:\Program Files (x86)\DHCP Host\dhcphost.exe	net.exe

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 6 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	e65723a395c55f4757594df4365384327d4cf2256004e3bfbeb1f8fd35c65fbf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e65723a395c55f4757594df4365384327d4cf2256004e3bfbeb1f8fd35c65fbf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Runs net.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
4516	schtasks.exe
784	schtasks.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
3928	e65723a395c55f4757594df4365384327d4cf2256004e3bfbeb1f8fd35c65fbf.exe
3928	e65723a395c55f4757594df4365384327d4cf2256004e3bfbeb1f8fd35c65fbf.exe
3928	e65723a395c55f4757594df4365384327d4cf2256004e3bfbeb1f8fd35c65fbf.exe
3928	e65723a395c55f4757594df4365384327d4cf2256004e3bfbeb1f8fd35c65fbf.exe
3928	e65723a395c55f4757594df4365384327d4cf2256004e3bfbeb1f8fd35c65fbf.exe
3928	e65723a395c55f4757594df4365384327d4cf2256004e3bfbeb1f8fd35c65fbf.exe
4144	svchost.exe
4144	svchost.exe
4144	svchost.exe
4144	svchost.exe
1892	net.exe
1892	net.exe
1892	net.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1892	net.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1892	net.exe

Suspicious use of FindShellTrayWindow 6 IoCs

pid	Process
1208	e65723a395c55f4757594df4365384327d4cf2256004e3bfbeb1f8fd35c65fbf.exe
1208	e65723a395c55f4757594df4365384327d4cf2256004e3bfbeb1f8fd35c65fbf.exe
1208	e65723a395c55f4757594df4365384327d4cf2256004e3bfbeb1f8fd35c65fbf.exe
3928	e65723a395c55f4757594df4365384327d4cf2256004e3bfbeb1f8fd35c65fbf.exe
3928	e65723a395c55f4757594df4365384327d4cf2256004e3bfbeb1f8fd35c65fbf.exe
3928	e65723a395c55f4757594df4365384327d4cf2256004e3bfbeb1f8fd35c65fbf.exe

Suspicious use of SendNotifyMessage 6 IoCs

pid	Process
1208	e65723a395c55f4757594df4365384327d4cf2256004e3bfbeb1f8fd35c65fbf.exe
1208	e65723a395c55f4757594df4365384327d4cf2256004e3bfbeb1f8fd35c65fbf.exe
1208	e65723a395c55f4757594df4365384327d4cf2256004e3bfbeb1f8fd35c65fbf.exe
3928	e65723a395c55f4757594df4365384327d4cf2256004e3bfbeb1f8fd35c65fbf.exe
3928	e65723a395c55f4757594df4365384327d4cf2256004e3bfbeb1f8fd35c65fbf.exe
3928	e65723a395c55f4757594df4365384327d4cf2256004e3bfbeb1f8fd35c65fbf.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4144	svchost.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 1208 wrote to memory of 3928	1208	e65723a395c55f4757594df4365384327d4cf2256004e3bfbeb1f8fd35c65fbf.exe	83
PID 1208 wrote to memory of 3928	1208	e65723a395c55f4757594df4365384327d4cf2256004e3bfbeb1f8fd35c65fbf.exe	83
PID 1208 wrote to memory of 3928	1208	e65723a395c55f4757594df4365384327d4cf2256004e3bfbeb1f8fd35c65fbf.exe	83
PID 3928 wrote to memory of 4144	3928	e65723a395c55f4757594df4365384327d4cf2256004e3bfbeb1f8fd35c65fbf.exe	84
PID 3928 wrote to memory of 4144	3928	e65723a395c55f4757594df4365384327d4cf2256004e3bfbeb1f8fd35c65fbf.exe	84
PID 3928 wrote to memory of 4144	3928	e65723a395c55f4757594df4365384327d4cf2256004e3bfbeb1f8fd35c65fbf.exe	84
PID 3928 wrote to memory of 4144	3928	e65723a395c55f4757594df4365384327d4cf2256004e3bfbeb1f8fd35c65fbf.exe	84
PID 3928 wrote to memory of 4144	3928	e65723a395c55f4757594df4365384327d4cf2256004e3bfbeb1f8fd35c65fbf.exe	84
PID 3928 wrote to memory of 4144	3928	e65723a395c55f4757594df4365384327d4cf2256004e3bfbeb1f8fd35c65fbf.exe	84
PID 3928 wrote to memory of 4144	3928	e65723a395c55f4757594df4365384327d4cf2256004e3bfbeb1f8fd35c65fbf.exe	84
PID 3928 wrote to memory of 4144	3928	e65723a395c55f4757594df4365384327d4cf2256004e3bfbeb1f8fd35c65fbf.exe	84
PID 4144 wrote to memory of 1892	4144	svchost.exe	86
PID 4144 wrote to memory of 1892	4144	svchost.exe	86
PID 4144 wrote to memory of 1892	4144	svchost.exe	86
PID 4144 wrote to memory of 1892	4144	svchost.exe	86
PID 4144 wrote to memory of 1892	4144	svchost.exe	86
PID 4144 wrote to memory of 1892	4144	svchost.exe	86
PID 4144 wrote to memory of 1892	4144	svchost.exe	86
PID 4144 wrote to memory of 1892	4144	svchost.exe	86
PID 1892 wrote to memory of 4516	1892	net.exe	87
PID 1892 wrote to memory of 4516	1892	net.exe	87
PID 1892 wrote to memory of 4516	1892	net.exe	87
PID 1892 wrote to memory of 784	1892	net.exe	89
PID 1892 wrote to memory of 784	1892	net.exe	89
PID 1892 wrote to memory of 784	1892	net.exe	89

C:\Users\Admin\AppData\Local\Temp\e65723a395c55f4757594df4365384327d4cf2256004e3bfbeb1f8fd35c65fbf.exe
"C:\Users\Admin\AppData\Local\Temp\e65723a395c55f4757594df4365384327d4cf2256004e3bfbeb1f8fd35c65fbf.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1208
- C:\Users\Admin\AppData\Local\Temp\e65723a395c55f4757594df4365384327d4cf2256004e3bfbeb1f8fd35c65fbf.exe
  C:\Users\Admin\AppData\Local\Temp\e65723a395c55f4757594df4365384327d4cf2256004e3bfbeb1f8fd35c65fbf.exe /AutoIt3ExecuteScript "C:\Users\Admin\AppData\Local\Temp\test.a3x"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:3928
- - \??\c:\windows\SysWOW64\svchost.exe
    "c:\windows\system32\svchost.exe"
    3⤵
    - Adds Run key to start application
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4144
  - - C:\Users\Admin\AppData\Local\Temp\net.exe
      "C:\Users\Admin\AppData\Local\Temp\net.exe"
      4⤵
      Executes dropped EXE
      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:1892
    - - C:\Windows\SysWOW64\schtasks.exe
        
        "schtasks.exe" /create /f /tn "DHCP Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmpB258.tmp"
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:4516
    - - C:\Windows\SysWOW64\schtasks.exe
        
        "schtasks.exe" /create /f /tn "DHCP Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpB2D6.tmp"
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:784

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

2

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\Temp\autAC1E.tmp

Filesize
397KB

MD5
4e4cddd13c848074c11d4f1d291c6aba

SHA1
53e0002cead55ba20ef6261b1a43967e612fb558

SHA256
4070ad29af1c0328ceec6b7032f2ff7fa94ee4adaead367f32c549d13ebbcf77

SHA512
261bca93ac6b50af8c96b22d74b5a740380516869b3773c5f162924e8825770ebf6b65da83ac578cb592cfe9997bee8433e55648d32c2f2da83297904fbebb76

Download Submit
C:\Users\Admin\AppData\Local\Temp\image.png

Filesize
1.7MB

MD5
ea95d5c8cbd2057f690affb7dea8049b

SHA1
7eb10e65700d7d79d2b398f5fc5383dfa421f733

SHA256
e65723a395c55f4757594df4365384327d4cf2256004e3bfbeb1f8fd35c65fbf

SHA512
e00beb85a726cdc7751f205134e3d8caad0bbd8c3480951398002fbb68ef6d57c7281cacc8ebf5fc2ca436bdded4646ea5f60fb4c961ff2579e018c83f967734

Download Submit
C:\Users\Admin\AppData\Local\Temp\net.exe

Filesize
4KB

MD5
840a36331c4f297e44a44a689b764a38

SHA1
4fa1de1a22325e9a906ea5427af1aeb93b1e568a

SHA256
0cb1fcb8cfed3c33dd9374c7109d39e78ce562597897bcde749d8fdc7c935b77

SHA512
790b9e5d284c5e1c3ade1800c8e2d59c7a71baf47949e03d66136ab7c0abfd6fe32c186eda9cc025afd7e45ecf5b85103599fe6b2995783d51fc31bca03f0be0

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpB258.tmp

Filesize
1KB

MD5
65f483a0c8c76d58e57e545f776739ef

SHA1
eacfd68e19000f036ea5cb9f592f8c28e7e2d106

SHA256
3716b861f0a2b02a9580a2c90ecd98e917854b8a2d4315f4207eb3041ab0281d

SHA512
b25ced8f91f0bd9535ffcda152076bf88eab27900edf8f4407b8104276e0b2a94f60eb2a8efd1a6b5c9f59ea049e28a8fd1a99dcd92b6e83c09603fa5b30345c

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpB2D6.tmp

Filesize
1KB

MD5
0479d5f304ef2d7e3c15fb24a99f88c1

SHA1
8edbb1450a656fac5f5e96779ffe440ee8c1aec9

SHA256
112557c2b2d0c669a3b115129dc32f005341e965330fa8f2ad3e5de1926594bc

SHA512
537e8d87e5cd975f0e69bb145f81d6e9d7b0d82eed143ac351304ea38577137386a51fdb7357ec6d641eb04ff5f51e249bba2db8a4b5bf2934d561394a4a3f15

Download Submit
memory/1208-9-0x0000000000400000-0x0000000000516000-memory.dmp

Filesize
1.1MB

Download
memory/1208-0-0x0000000000400000-0x0000000000516000-memory.dmp

Filesize
1.1MB

Download
memory/1892-42-0x0000000074F20000-0x00000000754D1000-memory.dmp

Filesize
5.7MB

Download
memory/1892-37-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download
memory/1892-41-0x0000000074F22000-0x0000000074F23000-memory.dmp

Filesize
4KB

Download
memory/1892-43-0x0000000074F20000-0x00000000754D1000-memory.dmp

Filesize
5.7MB

Download
memory/1892-51-0x0000000074F22000-0x0000000074F23000-memory.dmp

Filesize
4KB

Download
memory/1892-52-0x0000000074F20000-0x00000000754D1000-memory.dmp

Filesize
5.7MB

Download
memory/1892-53-0x0000000074F20000-0x00000000754D1000-memory.dmp

Filesize
5.7MB

Download
memory/3928-32-0x0000000000400000-0x0000000000516000-memory.dmp

Filesize
1.1MB

Download
memory/4144-40-0x0000000000400000-0x00000000004D1000-memory.dmp

Filesize
836KB

Download
memory/4144-22-0x0000000000400000-0x00000000004D1000-memory.dmp

Filesize
836KB

Download
memory/4144-29-0x0000000000400000-0x00000000004D1000-memory.dmp

Filesize
836KB

Download
memory/4144-24-0x0000000000400000-0x00000000004D1000-memory.dmp

Filesize
836KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads