nanocore | 8b62c11fae14388dbbf8adaf6309f52c01df5a0550d57ef539b054c30a6d4ae2

General

Target

9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe
Size

797KB
MD5

9e637c57a2b4a4f5dec1b64eb679863c
SHA1

1d035d18436e9c7ccb3ed66cf8fefb7d43118b65
SHA256

8b62c11fae14388dbbf8adaf6309f52c01df5a0550d57ef539b054c30a6d4ae2
SHA512

639fcb29b7af9d404681f44afa78a2c430e17090f25c0f91b23cf84e8aee49fffaa879d7e99b3c09bd234e920f9ba546dab0850415a49524dee1a614529c790d
SSDEEP

12288:rJu8UqU2Yc2iNeHK7zF6ujQXk8FOs9mQNJezb6N+7Drpo3K+sRsYelHpDTy/6iiZ:rnP1b8sAcX3e3K7ylHpD0CluP

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

goz.ydns.eu:2557

Mutex

4ec7cdd0-12c2-4069-96e0-b83edb543d6f

Attributes

activate_away_mode
true
backup_connection_host
goz.ydns.eu
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-05-15T15:52:53.670457636Z
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
2557
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
4ec7cdd0-12c2-4069-96e0-b83edb543d6f
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
goz.ydns.eu
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

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\LAN Service = "C:\\Program Files (x86)\\LAN Service\\lansv.exe"	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.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	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4952 set thread context of 840	4952	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe	93

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\LAN Service\lansv.exe	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\LAN Service\lansv.exe	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.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
2912	schtasks.exe
392	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
4952	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe
4952	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe
4952	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe
4952	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe
840	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe
840	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe
840	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
840	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4952	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe
Token: SeDebugPrivilege	840	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 4952 wrote to memory of 1372	4952	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe	91
PID 4952 wrote to memory of 1372	4952	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe	91
PID 4952 wrote to memory of 1372	4952	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe	91
PID 4952 wrote to memory of 3944	4952	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe	92
PID 4952 wrote to memory of 3944	4952	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe	92
PID 4952 wrote to memory of 3944	4952	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe	92
PID 4952 wrote to memory of 840	4952	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe	93
PID 4952 wrote to memory of 840	4952	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe	93
PID 4952 wrote to memory of 840	4952	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe	93
PID 4952 wrote to memory of 840	4952	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe	93
PID 4952 wrote to memory of 840	4952	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe	93
PID 4952 wrote to memory of 840	4952	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe	93
PID 4952 wrote to memory of 840	4952	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe	93
PID 4952 wrote to memory of 840	4952	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe	93
PID 840 wrote to memory of 2912	840	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe	94
PID 840 wrote to memory of 2912	840	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe	94
PID 840 wrote to memory of 2912	840	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe	94
PID 840 wrote to memory of 392	840	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe	96
PID 840 wrote to memory of 392	840	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe	96
PID 840 wrote to memory of 392	840	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe	96

C:\Users\Admin\AppData\Local\Temp\9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4952
- C:\Users\Admin\AppData\Local\Temp\9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe"
  2⤵
  PID:1372
- C:\Users\Admin\AppData\Local\Temp\9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe"
  2⤵
  PID:3944
- C:\Users\Admin\AppData\Local\Temp\9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe"
  2⤵
  - 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:840
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "LAN Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp685A.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2912
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "LAN Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp68A9.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:392

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

1

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\Microsoft\CLR_v4.0_32\UsageLogs\9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe.log

Filesize
1KB

MD5
17573558c4e714f606f997e5157afaac

SHA1
13e16e9415ceef429aaf124139671ebeca09ed23

SHA256
c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

SHA512
f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp685A.tmp

Filesize
1KB

MD5
26a56e60720b46ea675fdb8955775a81

SHA1
aad5e2ce9bc7cbbde1e216a8fed8457691e081bc

SHA256
530ee7ea2c0b1fbb9816d951710620230b69ab90b18a4b26cc0a9ddb4415b18f

SHA512
a4a9def99e4d3a2f226de1ca58957398c2e976690ada1cc6c48375eac689e37c76f7f37df45f4d0570467049f16d1ac1f589e0e0d939f0d884a82dc7bafa7842

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp68A9.tmp

Filesize
1KB

MD5
6b30dba7972c92c9a1b881e88c108b15

SHA1
f76207985cc5a1f70edb2fb5bd45678f195a4564

SHA256
578f5b0ff051f02f8e0a67fc3424dad554fa9489875475ea624fbb63eabfcbf7

SHA512
e3dd368937f863cb07453de12173580fb63b8d3983db7119c24860f227c89ded76401c47607f5b1134d215d46fe2b40d4bc3d7299374f1e8abecdeaefc7b9099

Download Submit
memory/840-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/840-30-0x0000000075350000-0x0000000075B00000-memory.dmp

Filesize
7.7MB

Download
memory/840-29-0x0000000075350000-0x0000000075B00000-memory.dmp

Filesize
7.7MB

Download
memory/840-28-0x0000000006700000-0x000000000670A000-memory.dmp

Filesize
40KB

Download
memory/840-27-0x00000000065C0000-0x00000000065DE000-memory.dmp

Filesize
120KB

Download
memory/840-26-0x0000000005A50000-0x0000000005A5A000-memory.dmp

Filesize
40KB

Download
memory/840-18-0x0000000075350000-0x0000000075B00000-memory.dmp

Filesize
7.7MB

Download
memory/840-16-0x0000000075350000-0x0000000075B00000-memory.dmp

Filesize
7.7MB

Download
memory/4952-6-0x0000000075350000-0x0000000075B00000-memory.dmp

Filesize
7.7MB

Download
memory/4952-7-0x00000000054F0000-0x0000000005546000-memory.dmp

Filesize
344KB

Download
memory/4952-11-0x0000000008870000-0x0000000008918000-memory.dmp

Filesize
672KB

Download
memory/4952-10-0x0000000075350000-0x0000000075B00000-memory.dmp

Filesize
7.7MB

Download
memory/4952-9-0x000000007535E000-0x000000007535F000-memory.dmp

Filesize
4KB

Download
memory/4952-17-0x0000000075350000-0x0000000075B00000-memory.dmp

Filesize
7.7MB

Download
memory/4952-8-0x0000000005910000-0x0000000005926000-memory.dmp

Filesize
88KB

Download
memory/4952-12-0x000000000AFE0000-0x000000000B01A000-memory.dmp

Filesize
232KB

Download
memory/4952-0-0x000000007535E000-0x000000007535F000-memory.dmp

Filesize
4KB

Download
memory/4952-5-0x00000000053D0000-0x00000000053DA000-memory.dmp

Filesize
40KB

Download
memory/4952-4-0x0000000005450000-0x00000000054E2000-memory.dmp

Filesize
584KB

Download
memory/4952-3-0x0000000005960000-0x0000000005F04000-memory.dmp

Filesize
5.6MB

Download
memory/4952-2-0x0000000005310000-0x00000000053AC000-memory.dmp

Filesize
624KB

Download
memory/4952-1-0x00000000008C0000-0x000000000098E000-memory.dmp

Filesize
824KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads