nanocore | 25387f1765ceba1462457b816e1db8e702a0059f28f69d6d8440f7d496f941f1

General

Target

JaffaCakes118_6b055e240bc3d78c2e4d370c9169f340.exe
Size

1.7MB
MD5

6b055e240bc3d78c2e4d370c9169f340
SHA1

87c58cc1ad9624bce840c8047aa21fcb1f75a1bf
SHA256

25387f1765ceba1462457b816e1db8e702a0059f28f69d6d8440f7d496f941f1
SHA512

53a924a8124f3eec6e7d10e6838614172749a70469d2d939b9ff30fbed344a83064dffdfe9f1d1b375219c0f622a20167388fae8497e2fa25e70ce6330726ad5
SSDEEP

24576:xthEVaPqLB/OXA8faoMTRpyiXthEVaPqLB/OXA8faoMTRpyiZ:pEVUcwkB3VbEVUcwkB3VZ

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
3884	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\Microsoft = "C:\\ProgramData\\SoundDriver\\svchost.exe"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\LAN Service = "C:\\Program Files (x86)\\LAN Service\\lansv.exe"	net.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/4952-9-0x0000000000400000-0x0000000000516000-memory.dmp	autoit_exe
behavioral2/memory/1332-30-0x0000000000400000-0x0000000000516000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1332 set thread context of 3280	1332	JaffaCakes118_6b055e240bc3d78c2e4d370c9169f340.exe	83
PID 3280 set thread context of 3884	3280	svchost.exe	85

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4952-0-0x0000000000400000-0x0000000000516000-memory.dmp	upx
behavioral2/memory/4952-9-0x0000000000400000-0x0000000000516000-memory.dmp	upx
behavioral2/memory/3280-22-0x0000000000400000-0x00000000004D1000-memory.dmp	upx
behavioral2/memory/3280-24-0x0000000000400000-0x00000000004D1000-memory.dmp	upx
behavioral2/memory/1332-30-0x0000000000400000-0x0000000000516000-memory.dmp	upx
behavioral2/memory/3280-29-0x0000000000400000-0x00000000004D1000-memory.dmp	upx
behavioral2/files/0x000c000000023bc7-32.dat	upx
behavioral2/memory/3280-39-0x0000000000400000-0x00000000004D1000-memory.dmp	upx

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\LAN Service\lansv.exe	net.exe
File opened for modification	C:\Program Files (x86)\LAN Service\lansv.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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6b055e240bc3d78c2e4d370c9169f340.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6b055e240bc3d78c2e4d370c9169f340.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.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
1212	schtasks.exe
116	schtasks.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
1332	JaffaCakes118_6b055e240bc3d78c2e4d370c9169f340.exe
1332	JaffaCakes118_6b055e240bc3d78c2e4d370c9169f340.exe
1332	JaffaCakes118_6b055e240bc3d78c2e4d370c9169f340.exe
1332	JaffaCakes118_6b055e240bc3d78c2e4d370c9169f340.exe
1332	JaffaCakes118_6b055e240bc3d78c2e4d370c9169f340.exe
1332	JaffaCakes118_6b055e240bc3d78c2e4d370c9169f340.exe
3280	svchost.exe
3280	svchost.exe
3280	svchost.exe
3280	svchost.exe
3884	net.exe
3884	net.exe
3884	net.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3884	net.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3884	net.exe

Suspicious use of FindShellTrayWindow 6 IoCs

pid	Process
4952	JaffaCakes118_6b055e240bc3d78c2e4d370c9169f340.exe
4952	JaffaCakes118_6b055e240bc3d78c2e4d370c9169f340.exe
4952	JaffaCakes118_6b055e240bc3d78c2e4d370c9169f340.exe
1332	JaffaCakes118_6b055e240bc3d78c2e4d370c9169f340.exe
1332	JaffaCakes118_6b055e240bc3d78c2e4d370c9169f340.exe
1332	JaffaCakes118_6b055e240bc3d78c2e4d370c9169f340.exe

Suspicious use of SendNotifyMessage 6 IoCs

pid	Process
4952	JaffaCakes118_6b055e240bc3d78c2e4d370c9169f340.exe
4952	JaffaCakes118_6b055e240bc3d78c2e4d370c9169f340.exe
4952	JaffaCakes118_6b055e240bc3d78c2e4d370c9169f340.exe
1332	JaffaCakes118_6b055e240bc3d78c2e4d370c9169f340.exe
1332	JaffaCakes118_6b055e240bc3d78c2e4d370c9169f340.exe
1332	JaffaCakes118_6b055e240bc3d78c2e4d370c9169f340.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3280	svchost.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 4952 wrote to memory of 1332	4952	JaffaCakes118_6b055e240bc3d78c2e4d370c9169f340.exe	82
PID 4952 wrote to memory of 1332	4952	JaffaCakes118_6b055e240bc3d78c2e4d370c9169f340.exe	82
PID 4952 wrote to memory of 1332	4952	JaffaCakes118_6b055e240bc3d78c2e4d370c9169f340.exe	82
PID 1332 wrote to memory of 3280	1332	JaffaCakes118_6b055e240bc3d78c2e4d370c9169f340.exe	83
PID 1332 wrote to memory of 3280	1332	JaffaCakes118_6b055e240bc3d78c2e4d370c9169f340.exe	83
PID 1332 wrote to memory of 3280	1332	JaffaCakes118_6b055e240bc3d78c2e4d370c9169f340.exe	83
PID 1332 wrote to memory of 3280	1332	JaffaCakes118_6b055e240bc3d78c2e4d370c9169f340.exe	83
PID 1332 wrote to memory of 3280	1332	JaffaCakes118_6b055e240bc3d78c2e4d370c9169f340.exe	83
PID 1332 wrote to memory of 3280	1332	JaffaCakes118_6b055e240bc3d78c2e4d370c9169f340.exe	83
PID 1332 wrote to memory of 3280	1332	JaffaCakes118_6b055e240bc3d78c2e4d370c9169f340.exe	83
PID 1332 wrote to memory of 3280	1332	JaffaCakes118_6b055e240bc3d78c2e4d370c9169f340.exe	83
PID 3280 wrote to memory of 3884	3280	svchost.exe	85
PID 3280 wrote to memory of 3884	3280	svchost.exe	85
PID 3280 wrote to memory of 3884	3280	svchost.exe	85
PID 3280 wrote to memory of 3884	3280	svchost.exe	85
PID 3280 wrote to memory of 3884	3280	svchost.exe	85
PID 3280 wrote to memory of 3884	3280	svchost.exe	85
PID 3280 wrote to memory of 3884	3280	svchost.exe	85
PID 3280 wrote to memory of 3884	3280	svchost.exe	85
PID 3884 wrote to memory of 1212	3884	net.exe	86
PID 3884 wrote to memory of 1212	3884	net.exe	86
PID 3884 wrote to memory of 1212	3884	net.exe	86
PID 3884 wrote to memory of 116	3884	net.exe	88
PID 3884 wrote to memory of 116	3884	net.exe	88
PID 3884 wrote to memory of 116	3884	net.exe	88

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6b055e240bc3d78c2e4d370c9169f340.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6b055e240bc3d78c2e4d370c9169f340.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4952
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6b055e240bc3d78c2e4d370c9169f340.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6b055e240bc3d78c2e4d370c9169f340.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:1332
- - \??\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:3280
  - - 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:3884
    - - C:\Windows\SysWOW64\schtasks.exe
        
        "schtasks.exe" /create /f /tn "LAN Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp9EC0.tmp"
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:1212
    - - C:\Windows\SysWOW64\schtasks.exe
        
        "schtasks.exe" /create /f /tn "LAN Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp9F2F.tmp"
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:116

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\aut9829.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
6b055e240bc3d78c2e4d370c9169f340

SHA1
87c58cc1ad9624bce840c8047aa21fcb1f75a1bf

SHA256
25387f1765ceba1462457b816e1db8e702a0059f28f69d6d8440f7d496f941f1

SHA512
53a924a8124f3eec6e7d10e6838614172749a70469d2d939b9ff30fbed344a83064dffdfe9f1d1b375219c0f622a20167388fae8497e2fa25e70ce6330726ad5

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\tmp9EC0.tmp

Filesize
1KB

MD5
65f483a0c8c76d58e57e545f776739ef

SHA1
eacfd68e19000f036ea5cb9f592f8c28e7e2d106

SHA256
3716b861f0a2b02a9580a2c90ecd98e917854b8a2d4315f4207eb3041ab0281d

SHA512
b25ced8f91f0bd9535ffcda152076bf88eab27900edf8f4407b8104276e0b2a94f60eb2a8efd1a6b5c9f59ea049e28a8fd1a99dcd92b6e83c09603fa5b30345c

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp9F2F.tmp

Filesize
1KB

MD5
6b30dba7972c92c9a1b881e88c108b15

SHA1
f76207985cc5a1f70edb2fb5bd45678f195a4564

SHA256
578f5b0ff051f02f8e0a67fc3424dad554fa9489875475ea624fbb63eabfcbf7

SHA512
e3dd368937f863cb07453de12173580fb63b8d3983db7119c24860f227c89ded76401c47607f5b1134d215d46fe2b40d4bc3d7299374f1e8abecdeaefc7b9099

Download Submit
memory/1332-30-0x0000000000400000-0x0000000000516000-memory.dmp

Filesize
1.1MB

Download
memory/3280-24-0x0000000000400000-0x00000000004D1000-memory.dmp

Filesize
836KB

Download
memory/3280-29-0x0000000000400000-0x00000000004D1000-memory.dmp

Filesize
836KB

Download
memory/3280-39-0x0000000000400000-0x00000000004D1000-memory.dmp

Filesize
836KB

Download
memory/3280-22-0x0000000000400000-0x00000000004D1000-memory.dmp

Filesize
836KB

Download
memory/3884-36-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download
memory/3884-40-0x0000000074642000-0x0000000074643000-memory.dmp

Filesize
4KB

Download
memory/3884-41-0x0000000074640000-0x0000000074BF1000-memory.dmp

Filesize
5.7MB

Download
memory/3884-42-0x0000000074640000-0x0000000074BF1000-memory.dmp

Filesize
5.7MB

Download
memory/3884-50-0x0000000074642000-0x0000000074643000-memory.dmp

Filesize
4KB

Download
memory/3884-51-0x0000000074640000-0x0000000074BF1000-memory.dmp

Filesize
5.7MB

Download
memory/3884-52-0x0000000074640000-0x0000000074BF1000-memory.dmp

Filesize
5.7MB

Download
memory/4952-0-0x0000000000400000-0x0000000000516000-memory.dmp

Filesize
1.1MB

Download
memory/4952-9-0x0000000000400000-0x0000000000516000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads