nanocore | 07667b309e0494f48c3a8602c6ba0943b1b8ca9a3bcee1c6bf9c5e841ef60ae6

General

Target

223a8663266243aaad8e25547718bbfd_JaffaCakes118.exe
Size

1.1MB
MD5

223a8663266243aaad8e25547718bbfd
SHA1

b56f249f5c68bbdb9bfc701db246f3b4c7e5e0d8
SHA256

07667b309e0494f48c3a8602c6ba0943b1b8ca9a3bcee1c6bf9c5e841ef60ae6
SHA512

592ec4f9b894693421a021e3b8bf9b90183cdf683b9d85d5130a78a83f55eed91b127c10de0379d394a310a70838fe087d58da51a1077ee13e900e22f8e11a7d
SSDEEP

12288:mZAZqb1fqB2bzjWPb+y9HweKLX5foF2lnSypIQnSRjtfJpcGWvTx2Qco4+rz:u1g2b3WP5wTLJfplSyznYpf

Score

10^/10

nanocore discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

194.5.98.52:54984

127.0.0.1:54984

Mutex

94d0e2fe-d2cd-49bf-adbe-7f0f372239ca

Attributes

activate_away_mode
false
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-05-25T08:20:27.332240436Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
false
clear_zone_identifier
false
connect_delay
4000
connection_port
54984
default_group
iyke
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
94d0e2fe-d2cd-49bf-adbe-7f0f372239ca
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
194.5.98.52
primary_dns_server
8.8.8.8
request_elevation
false
restart_delay
5000
run_delay
0
run_on_startup
false
set_critical_process
false
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

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

Processes:

223a8663266243aaad8e25547718bbfd_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	223a8663266243aaad8e25547718bbfd_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

RegSvcs.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ARP Monitor = "C:\\Program Files (x86)\\ARP Monitor\\arpmon.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

223a8663266243aaad8e25547718bbfd_JaffaCakes118.exe

description	pid	Process	procid_target
PID 1488 set thread context of 3828	1488	223a8663266243aaad8e25547718bbfd_JaffaCakes118.exe	92

Drops file in Program Files directory 2 IoCs

Processes:

RegSvcs.exe

description	ioc	Process
File created	C:\Program Files (x86)\ARP Monitor\arpmon.exe	RegSvcs.exe
File opened for modification	C:\Program Files (x86)\ARP Monitor\arpmon.exe	RegSvcs.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 5 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

Processes:

RegSvcs.exeschtasks.exeschtasks.exe223a8663266243aaad8e25547718bbfd_JaffaCakes118.exeschtasks.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
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	223a8663266243aaad8e25547718bbfd_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

Processes:

schtasks.exeschtasks.exeschtasks.exe

pid	Process
3776	schtasks.exe
1424	schtasks.exe
2380	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

223a8663266243aaad8e25547718bbfd_JaffaCakes118.exeRegSvcs.exe

pid	Process
1488	223a8663266243aaad8e25547718bbfd_JaffaCakes118.exe
3828	RegSvcs.exe
3828	RegSvcs.exe
3828	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegSvcs.exe

pid	Process
3828	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

223a8663266243aaad8e25547718bbfd_JaffaCakes118.exeRegSvcs.exe

description	pid	Process
Token: SeDebugPrivilege	1488	223a8663266243aaad8e25547718bbfd_JaffaCakes118.exe
Token: SeDebugPrivilege	3828	RegSvcs.exe
Token: SeDebugPrivilege	3828	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

223a8663266243aaad8e25547718bbfd_JaffaCakes118.exeRegSvcs.exe

description	pid	Process	procid_target
PID 1488 wrote to memory of 3776	1488	223a8663266243aaad8e25547718bbfd_JaffaCakes118.exe	90
PID 1488 wrote to memory of 3776	1488	223a8663266243aaad8e25547718bbfd_JaffaCakes118.exe	90
PID 1488 wrote to memory of 3776	1488	223a8663266243aaad8e25547718bbfd_JaffaCakes118.exe	90
PID 1488 wrote to memory of 3828	1488	223a8663266243aaad8e25547718bbfd_JaffaCakes118.exe	92
PID 1488 wrote to memory of 3828	1488	223a8663266243aaad8e25547718bbfd_JaffaCakes118.exe	92
PID 1488 wrote to memory of 3828	1488	223a8663266243aaad8e25547718bbfd_JaffaCakes118.exe	92
PID 1488 wrote to memory of 3828	1488	223a8663266243aaad8e25547718bbfd_JaffaCakes118.exe	92
PID 1488 wrote to memory of 3828	1488	223a8663266243aaad8e25547718bbfd_JaffaCakes118.exe	92
PID 1488 wrote to memory of 3828	1488	223a8663266243aaad8e25547718bbfd_JaffaCakes118.exe	92
PID 1488 wrote to memory of 3828	1488	223a8663266243aaad8e25547718bbfd_JaffaCakes118.exe	92
PID 1488 wrote to memory of 3828	1488	223a8663266243aaad8e25547718bbfd_JaffaCakes118.exe	92
PID 3828 wrote to memory of 1424	3828	RegSvcs.exe	93
PID 3828 wrote to memory of 1424	3828	RegSvcs.exe	93
PID 3828 wrote to memory of 1424	3828	RegSvcs.exe	93
PID 3828 wrote to memory of 2380	3828	RegSvcs.exe	95
PID 3828 wrote to memory of 2380	3828	RegSvcs.exe	95
PID 3828 wrote to memory of 2380	3828	RegSvcs.exe	95

C:\Users\Admin\AppData\Local\Temp\223a8663266243aaad8e25547718bbfd_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\223a8663266243aaad8e25547718bbfd_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1488
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bNzZKqrTENXi" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6647.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3776
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
  2⤵
  - Adds Run key to start application
  - 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:3828
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "ARP Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp6C90.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1424
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "ARP Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp6CFE.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2380

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

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp6647.tmp

Filesize
1KB

MD5
38d087f56b6ca908407d81d9ca913cd8

SHA1
6a8698b4681cfef1c448b52545c5a0aaeb20df04

SHA256
48849b4ff3232e8513580c06d40845c6294e56bd6202c9ebf7241bca53927951

SHA512
8768d4a8526dda8abcd6709aeaad43b59046d37d7139d59c2b650a717f152053650edff1f86f5162518f0776cb2dd34c22fa2f6a5265568b9443926a8adb3966

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp6C90.tmp

Filesize
1KB

MD5
40b11ef601fb28f9b2e69d36857bf2ec

SHA1
b6454020ad2ceed193f4792b77001d0bd741b370

SHA256
c51e12d18cc664425f6711d8ae2507068884c7057092cfa11884100e1e9d49e1

SHA512
e3c5bcc714cbfca4b8058ddcddf231dcefa69c15881ce3f8123e59ed45cfb5da052b56e1945dcf8dc7f800d62f9a4eecb82bca69a66a1530787aeffeb15e2bd5

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp6CFE.tmp

Filesize
1KB

MD5
acc7d7829edec6af26aa18f8ca7776ef

SHA1
29f5290d08127f29924a2eb189e21b9bcfbb6f3a

SHA256
2165ad57e4cd29e911a2861e1fe6366ce11912c95f8e5ede61d247b75753001a

SHA512
07e84e0f7eb030dc0f2efde201c023051a2559dbdcde957fea73669a6e2deac9848cf3503e4e7f9524660d61ead850632bb998f12b73b887dfe841286002bc5b

Download Submit
memory/1488-4-0x00000000747A0000-0x0000000074D51000-memory.dmp

Filesize
5.7MB

Download
memory/1488-0-0x00000000747A2000-0x00000000747A3000-memory.dmp

Filesize
4KB

Download
memory/1488-5-0x00000000747A0000-0x0000000074D51000-memory.dmp

Filesize
5.7MB

Download
memory/1488-3-0x00000000747A2000-0x00000000747A3000-memory.dmp

Filesize
4KB

Download
memory/1488-13-0x00000000747A0000-0x0000000074D51000-memory.dmp

Filesize
5.7MB

Download
memory/1488-2-0x00000000747A0000-0x0000000074D51000-memory.dmp

Filesize
5.7MB

Download
memory/1488-1-0x00000000747A0000-0x0000000074D51000-memory.dmp

Filesize
5.7MB

Download
memory/3828-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3828-14-0x00000000747A0000-0x0000000074D51000-memory.dmp

Filesize
5.7MB

Download
memory/3828-15-0x00000000747A0000-0x0000000074D51000-memory.dmp

Filesize
5.7MB

Download
memory/3828-23-0x00000000747A0000-0x0000000074D51000-memory.dmp

Filesize
5.7MB

Download
memory/3828-24-0x00000000747A0000-0x0000000074D51000-memory.dmp

Filesize
5.7MB

Download
memory/3828-25-0x00000000747A0000-0x0000000074D51000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads