nanocore | c3c9cae8708f0d0267116b7f59239455c2fdff03727dd36e33a5bc96a2d9cb26

General

Target

c8e254b438767acd2aa4adfa87602642_JaffaCakes118.exe
Size

1.2MB
MD5

c8e254b438767acd2aa4adfa87602642
SHA1

93ec6913ac2c789c4019717497c62a408373f344
SHA256

c3c9cae8708f0d0267116b7f59239455c2fdff03727dd36e33a5bc96a2d9cb26
SHA512

7a8e258570d63fd6c91456510b8d4a6572597a2172fecb4014ab240cb49a066b4196af340d8ef2a986dd0f6a3502f01c2b604b66499b1f537cab01e070b04e0f
SSDEEP

24576:1AOcZuj86SEqPwRJhi71NnPJJPhFODUPjQHYwFCJ7gxoABQ8iHX0eFpPFbw:/h86SE23nPBFCU7yF87ezgpPFbw

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

harold.accesscam.org:6051

harold.2waky.com:6051

Mutex

ed2d5ce0-ca4d-4264-be01-91a018d59d09

Attributes

activate_away_mode
true
backup_connection_host
harold.2waky.com
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2019-07-13T12:05:45.695760236Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
6051
default_group
INV TO BID
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
ed2d5ce0-ca4d-4264-be01-91a018d59d09
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
harold.accesscam.org
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
Nanocore family
nanocore

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	c8e254b438767acd2aa4adfa87602642_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
4932	fuldqn.pif
4576	RegSvcs.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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WindowsUpdate = "c:\\05761503\\fuldqn.pif c:\\05761503\\emiax.qft"	fuldqn.pif

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	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4932 set thread context of 4576	4932	fuldqn.pif	86

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 3 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	c8e254b438767acd2aa4adfa87602642_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fuldqn.pif
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
4576	RegSvcs.exe
4576	RegSvcs.exe
4576	RegSvcs.exe
4576	RegSvcs.exe
4576	RegSvcs.exe
4576	RegSvcs.exe
4576	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4576	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4576	RegSvcs.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2720 wrote to memory of 4932	2720	c8e254b438767acd2aa4adfa87602642_JaffaCakes118.exe	83
PID 2720 wrote to memory of 4932	2720	c8e254b438767acd2aa4adfa87602642_JaffaCakes118.exe	83
PID 2720 wrote to memory of 4932	2720	c8e254b438767acd2aa4adfa87602642_JaffaCakes118.exe	83
PID 4932 wrote to memory of 4576	4932	fuldqn.pif	86
PID 4932 wrote to memory of 4576	4932	fuldqn.pif	86
PID 4932 wrote to memory of 4576	4932	fuldqn.pif	86
PID 4932 wrote to memory of 4576	4932	fuldqn.pif	86
PID 4932 wrote to memory of 4576	4932	fuldqn.pif	86

C:\Users\Admin\AppData\Local\Temp\c8e254b438767acd2aa4adfa87602642_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c8e254b438767acd2aa4adfa87602642_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2720
- C:\05761503\fuldqn.pif
  "C:\05761503\fuldqn.pif" emiax.qft
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4932
- - C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe"
    3⤵
    - Executes dropped EXE
    - Checks whether UAC is enabled
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:4576

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

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:\05761503\fuldqn.pif

Filesize
649KB

MD5
e423fa6f72ef1a0d63ef5f85380657d6

SHA1
83114ec1db55867fde6d249352fcb3c52ef53af2

SHA256
4c38d6dc99e8219ccc923bddc94c9298f6b5aee6b4b42323d924cffdeafd356e

SHA512
687407a6354547f11faf190472e5fa5c50c0d01d911823b372d80029054e2e830c08b2a9100f5f1b1a742d0755bddfb784854bd7431f98b6b352010e2d01dac3

Download Submit
C:\05761503\lftnbbpo.ppt

Filesize
450KB

MD5
80ad4b95ca6e49ca8de0c4f3c43c33fb

SHA1
b46770753c6af0900831eec3bab0b34d5535b430

SHA256
daf186bc60581853a6b0e06127bb70fe86c1d201c40b6c47d01d4cf748f1db02

SHA512
d82c7cfe2c16f3729cd53c13a5f1f6a8bef094b025329045932833a640f2beb5675b8008d271ad918817a88bbe2afad701a313a7c8250b9fd37b4f60df5c36a3

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

Filesize
44KB

MD5
9d352bc46709f0cb5ec974633a0c3c94

SHA1
1969771b2f022f9a86d77ac4d4d239becdf08d07

SHA256
2c1eeb7097023c784c2bd040a2005a5070ed6f3a4abf13929377a9e39fab1390

SHA512
13c714244ec56beeb202279e4109d59c2a43c3cf29f90a374a751c04fd472b45228ca5a0178f41109ed863dbd34e0879e4a21f5e38ae3d89559c57e6be990a9b

Download Submit
memory/4576-62-0x0000000000500000-0x00000000009A7000-memory.dmp

Filesize
4.7MB

Download
memory/4576-65-0x000000007464E000-0x000000007464F000-memory.dmp

Filesize
4KB

Download
memory/4576-66-0x0000000000500000-0x0000000000538000-memory.dmp

Filesize
224KB

Download
memory/4576-67-0x0000000005630000-0x0000000005BD4000-memory.dmp

Filesize
5.6MB

Download
memory/4576-68-0x0000000005120000-0x00000000051B2000-memory.dmp

Filesize
584KB

Download
memory/4576-69-0x00000000051C0000-0x000000000525C000-memory.dmp

Filesize
624KB

Download
memory/4576-70-0x00000000050C0000-0x00000000050CA000-memory.dmp

Filesize
40KB

Download
memory/4576-72-0x0000000005310000-0x000000000531A000-memory.dmp

Filesize
40KB

Download
memory/4576-73-0x0000000005320000-0x000000000533E000-memory.dmp

Filesize
120KB

Download
memory/4576-74-0x0000000005620000-0x000000000562A000-memory.dmp

Filesize
40KB

Download
memory/4576-75-0x000000007464E000-0x000000007464F000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads