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\UDP Manager = "C:\\Program Files (x86)\\UDP Manager\\udpmgr.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 2148 set thread context of 2772	2148	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe	31

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\UDP Manager\udpmgr.exe	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\UDP Manager\udpmgr.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	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
1940	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2772	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe
2772	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe
2772	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2772	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2772	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2148 wrote to memory of 2772	2148	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe	31
PID 2148 wrote to memory of 2772	2148	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe	31
PID 2148 wrote to memory of 2772	2148	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe	31
PID 2148 wrote to memory of 2772	2148	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe	31
PID 2148 wrote to memory of 2772	2148	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe	31
PID 2148 wrote to memory of 2772	2148	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe	31
PID 2148 wrote to memory of 2772	2148	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe	31
PID 2148 wrote to memory of 2772	2148	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe	31
PID 2148 wrote to memory of 2772	2148	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe	31
PID 2772 wrote to memory of 2912	2772	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe	32
PID 2772 wrote to memory of 2912	2772	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe	32
PID 2772 wrote to memory of 2912	2772	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe	32
PID 2772 wrote to memory of 2912	2772	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe	32
PID 2772 wrote to memory of 1940	2772	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe	34
PID 2772 wrote to memory of 1940	2772	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe	34
PID 2772 wrote to memory of 1940	2772	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe	34
PID 2772 wrote to memory of 1940	2772	9e637c57a2b4a4f5dec1b64eb679863c_JaffaCakes118.exe	34

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 use of WriteProcessMemory
PID:2148
- 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:2772
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "UDP Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmp7427.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 "UDP Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp74E3.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1940

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\Temp\tmp7427.tmp

Filesize
1KB

MD5
26a56e60720b46ea675fdb8955775a81

SHA1
aad5e2ce9bc7cbbde1e216a8fed8457691e081bc

SHA256
530ee7ea2c0b1fbb9816d951710620230b69ab90b18a4b26cc0a9ddb4415b18f

SHA512
a4a9def99e4d3a2f226de1ca58957398c2e976690ada1cc6c48375eac689e37c76f7f37df45f4d0570467049f16d1ac1f589e0e0d939f0d884a82dc7bafa7842

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp74E3.tmp

Filesize
1KB

MD5
c1c4b266e129249076bbe8a15cc5e06c

SHA1
312b8173c264245c834eee91e05dcca845c341f8

SHA256
f336d06dcadca621be6b2dc9493dcb84d871497e65142bc9fdd72c9f250a1b7b

SHA512
0f02ec7700f89d95d29014eec42d13c85234351c3fe1dc6a3efeea52ea76ca4bea3151567a6c798b5ce658d481b424646b43d93e95ccad897356a87a25d45041

Download Submit
memory/2148-0-0x000000007463E000-0x000000007463F000-memory.dmp

Filesize
4KB

Download
memory/2148-1-0x0000000000100000-0x00000000001CE000-memory.dmp

Filesize
824KB

Download
memory/2148-2-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/2148-3-0x0000000000480000-0x0000000000496000-memory.dmp

Filesize
88KB

Download
memory/2148-4-0x000000007463E000-0x000000007463F000-memory.dmp

Filesize
4KB

Download
memory/2148-5-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/2148-6-0x0000000005F90000-0x0000000006038000-memory.dmp

Filesize
672KB

Download
memory/2148-7-0x0000000004410000-0x000000000444A000-memory.dmp

Filesize
232KB

Download
memory/2148-20-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/2772-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2772-21-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/2772-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2772-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2772-9-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2772-19-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/2772-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2772-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2772-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2772-8-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2772-29-0x0000000000330000-0x000000000033A000-memory.dmp

Filesize
40KB

Download
memory/2772-30-0x0000000000340000-0x000000000035E000-memory.dmp

Filesize
120KB

Download
memory/2772-31-0x0000000000360000-0x000000000036A000-memory.dmp

Filesize
40KB

Download
memory/2772-32-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/2772-33-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads