nanocore | 9e08f4bedc659a9e1d7f476cdf1cf63928e09b12cd6b1b2393a16ea2ab7cfe03

General

Target

995847785e475c64d1e81917b89eb646_JaffaCakes118.exe
Size

1.3MB
MD5

995847785e475c64d1e81917b89eb646
SHA1

0c6677b8ca7d0260263930433e58788e4bc9b7e6
SHA256

9e08f4bedc659a9e1d7f476cdf1cf63928e09b12cd6b1b2393a16ea2ab7cfe03
SHA512

984b1bf500caa562ed4b31ebf322ae2aded853d12f713a9a3d837cf24e6e685654587f223e72ee7fde5539e88d35fba2b7fdec1454ce2c0764d86ef48d6edae5
SSDEEP

24576:py+SSn2vdDfO2rgaow4RiqEa7YSe1i9wO1fg0yQp8xnrL5:4+Vn2vdHgtw4ZFdX3g0PpYF

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

office1.servemp3.com:2017

Mutex

d87de095-b054-44d3-a032-be422776e3c0

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-07-04T08:30:05.657848036Z
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
2017
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
d87de095-b054-44d3-a032-be422776e3c0
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
office1.servemp3.com
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

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\ARP Host = "C:\\Program Files (x86)\\ARP Host\\arphost.exe"	995847785e475c64d1e81917b89eb646_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	995847785e475c64d1e81917b89eb646_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1824 set thread context of 648	1824	995847785e475c64d1e81917b89eb646_JaffaCakes118.exe	34

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\ARP Host\arphost.exe	995847785e475c64d1e81917b89eb646_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\ARP Host\arphost.exe	995847785e475c64d1e81917b89eb646_JaffaCakes118.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	995847785e475c64d1e81917b89eb646_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	995847785e475c64d1e81917b89eb646_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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

pid	Process
2244	schtasks.exe
684	schtasks.exe
1808	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
1824	995847785e475c64d1e81917b89eb646_JaffaCakes118.exe
1824	995847785e475c64d1e81917b89eb646_JaffaCakes118.exe
1824	995847785e475c64d1e81917b89eb646_JaffaCakes118.exe
1824	995847785e475c64d1e81917b89eb646_JaffaCakes118.exe
1824	995847785e475c64d1e81917b89eb646_JaffaCakes118.exe
1824	995847785e475c64d1e81917b89eb646_JaffaCakes118.exe
648	995847785e475c64d1e81917b89eb646_JaffaCakes118.exe
648	995847785e475c64d1e81917b89eb646_JaffaCakes118.exe
648	995847785e475c64d1e81917b89eb646_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
648	995847785e475c64d1e81917b89eb646_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1824	995847785e475c64d1e81917b89eb646_JaffaCakes118.exe
Token: SeDebugPrivilege	648	995847785e475c64d1e81917b89eb646_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 1824 wrote to memory of 2244	1824	995847785e475c64d1e81917b89eb646_JaffaCakes118.exe	31
PID 1824 wrote to memory of 2244	1824	995847785e475c64d1e81917b89eb646_JaffaCakes118.exe	31
PID 1824 wrote to memory of 2244	1824	995847785e475c64d1e81917b89eb646_JaffaCakes118.exe	31
PID 1824 wrote to memory of 2244	1824	995847785e475c64d1e81917b89eb646_JaffaCakes118.exe	31
PID 1824 wrote to memory of 1628	1824	995847785e475c64d1e81917b89eb646_JaffaCakes118.exe	33
PID 1824 wrote to memory of 1628	1824	995847785e475c64d1e81917b89eb646_JaffaCakes118.exe	33
PID 1824 wrote to memory of 1628	1824	995847785e475c64d1e81917b89eb646_JaffaCakes118.exe	33
PID 1824 wrote to memory of 1628	1824	995847785e475c64d1e81917b89eb646_JaffaCakes118.exe	33
PID 1824 wrote to memory of 648	1824	995847785e475c64d1e81917b89eb646_JaffaCakes118.exe	34
PID 1824 wrote to memory of 648	1824	995847785e475c64d1e81917b89eb646_JaffaCakes118.exe	34
PID 1824 wrote to memory of 648	1824	995847785e475c64d1e81917b89eb646_JaffaCakes118.exe	34
PID 1824 wrote to memory of 648	1824	995847785e475c64d1e81917b89eb646_JaffaCakes118.exe	34
PID 1824 wrote to memory of 648	1824	995847785e475c64d1e81917b89eb646_JaffaCakes118.exe	34
PID 1824 wrote to memory of 648	1824	995847785e475c64d1e81917b89eb646_JaffaCakes118.exe	34
PID 1824 wrote to memory of 648	1824	995847785e475c64d1e81917b89eb646_JaffaCakes118.exe	34
PID 1824 wrote to memory of 648	1824	995847785e475c64d1e81917b89eb646_JaffaCakes118.exe	34
PID 1824 wrote to memory of 648	1824	995847785e475c64d1e81917b89eb646_JaffaCakes118.exe	34
PID 648 wrote to memory of 684	648	995847785e475c64d1e81917b89eb646_JaffaCakes118.exe	35
PID 648 wrote to memory of 684	648	995847785e475c64d1e81917b89eb646_JaffaCakes118.exe	35
PID 648 wrote to memory of 684	648	995847785e475c64d1e81917b89eb646_JaffaCakes118.exe	35
PID 648 wrote to memory of 684	648	995847785e475c64d1e81917b89eb646_JaffaCakes118.exe	35
PID 648 wrote to memory of 1808	648	995847785e475c64d1e81917b89eb646_JaffaCakes118.exe	37
PID 648 wrote to memory of 1808	648	995847785e475c64d1e81917b89eb646_JaffaCakes118.exe	37
PID 648 wrote to memory of 1808	648	995847785e475c64d1e81917b89eb646_JaffaCakes118.exe	37
PID 648 wrote to memory of 1808	648	995847785e475c64d1e81917b89eb646_JaffaCakes118.exe	37

C:\Users\Admin\AppData\Local\Temp\995847785e475c64d1e81917b89eb646_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\995847785e475c64d1e81917b89eb646_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:1824
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qvogBD" /XML "C:\Users\Admin\AppData\Local\Temp\tmp57C1.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2244
- C:\Users\Admin\AppData\Local\Temp\995847785e475c64d1e81917b89eb646_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\995847785e475c64d1e81917b89eb646_JaffaCakes118.exe"
  2⤵
  PID:1628
- C:\Users\Admin\AppData\Local\Temp\995847785e475c64d1e81917b89eb646_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\995847785e475c64d1e81917b89eb646_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:648
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "ARP Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmp58E9.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:684
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "ARP Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp5B4B.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1808

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\tmp57C1.tmp

Filesize
1KB

MD5
db637b4da3505cd06afd02717a3e4aa9

SHA1
9ef574dccc564c021c86d7d08ce41b8c329825ef

SHA256
98a9a2a03e2c0fe7938cadacff9316137d5b3a61c69d673adf0c36f7c276477f

SHA512
d38538ba3efeb8dcfc1331569ad17efc8b6eeb0646ac0d7755f7f44ba1037400432f4fd077bf318924bd7d8440e46ffbc072eacab41f190a243b15a3ae728e2a

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp58E9.tmp

Filesize
1KB

MD5
6b4fbb24bd193081ba5efd8afa7fd3e2

SHA1
5cce6826322713176dfd4807d8d1b4971a9a691a

SHA256
b82391e4376a6681c2d9395b7c8ce0881ed519c77ffad8d10a0b148af5b1d351

SHA512
5caae6637fdd4d2e53402413829791d5442b4dd84b61051d443ccf1dce8cead7958e2fa8b3dd20e79f5a2919c46b41df5235e7bb3608a039b4f511e9d72f42d6

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp5B4B.tmp

Filesize
1KB

MD5
447ab194ab36cb1d20078d80e502b1b2

SHA1
a947b3b2c91d7c50bb8d39bd4fc91a0d0cc5b1c0

SHA256
8d5304b20b7d7dea223ce2738e5668054250d57bf6bed86b305b69924bd472f5

SHA512
49ddc557f7f6635627eea9bf0fa12a14b7b13edb235ed560ee0044a7f87fe27b686ff878d347d0273d92eb0b318b8c2bca85c0fbf42d586ed7d7da39eac6a327

Download Submit
memory/648-28-0x0000000074020000-0x00000000745CB000-memory.dmp

Filesize
5.7MB

Download
memory/648-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/648-36-0x0000000074020000-0x00000000745CB000-memory.dmp

Filesize
5.7MB

Download
memory/648-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/648-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/648-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/648-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/648-32-0x0000000074020000-0x00000000745CB000-memory.dmp

Filesize
5.7MB

Download
memory/648-31-0x0000000074020000-0x00000000745CB000-memory.dmp

Filesize
5.7MB

Download
memory/648-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/648-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/648-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1824-2-0x0000000074020000-0x00000000745CB000-memory.dmp

Filesize
5.7MB

Download
memory/1824-4-0x0000000074020000-0x00000000745CB000-memory.dmp

Filesize
5.7MB

Download
memory/1824-25-0x0000000074020000-0x00000000745CB000-memory.dmp

Filesize
5.7MB

Download
memory/1824-0-0x0000000074021000-0x0000000074022000-memory.dmp

Filesize
4KB

Download
memory/1824-1-0x0000000074020000-0x00000000745CB000-memory.dmp

Filesize
5.7MB

Download
memory/1824-3-0x0000000074020000-0x00000000745CB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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