nanocore | 0fa264f44e90b91e55ccbbb0cae32dbc2be325561efc0a1e6f483424f23d2d28

General

Target

b72bec8df7665cc40d49650239c52dfb_JaffaCakes118.exe
Size

879KB
MD5

b72bec8df7665cc40d49650239c52dfb
SHA1

5fe6c58fd4690796b2e5397f72cd5658a6723add
SHA256

0fa264f44e90b91e55ccbbb0cae32dbc2be325561efc0a1e6f483424f23d2d28
SHA512

ed2c2848064729bb9f18af6fb5df870bef47236811795fc2a6797bf2ac7a68e54a6c010898760fc92c238f484b928e8f7f8fe9a9c223c6a03ebda78aca566570
SSDEEP

12288:CQIGPtYaerBMAo0MWo+BY0cuvNTJ3HPWlcQXjcljHMjy8KEbM0SWumS8gJRq:3MrBaXncY0JFFacQXjO7DBKM0SMx

Score

10^/10

nanocore discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

1116.hopto.org:1116

185.140.53.9:1116

Mutex

909dcd33-e0d7-4bd0-87b2-b7fd2611b6b9

Attributes

activate_away_mode
true
backup_connection_host
185.140.53.9
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-02-16T08:43:19.524585136Z
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
1116
default_group
1116
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
909dcd33-e0d7-4bd0-87b2-b7fd2611b6b9
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
1116.hopto.org
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

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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	b72bec8df7665cc40d49650239c52dfb_JaffaCakes118.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\SMTP Subsystem = "C:\\Program Files (x86)\\SMTP Subsystem\\smtpss.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2916 set thread context of 3824	2916	b72bec8df7665cc40d49650239c52dfb_JaffaCakes118.exe	101

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\SMTP Subsystem\smtpss.exe	RegSvcs.exe
File opened for modification	C:\Program Files (x86)\SMTP Subsystem\smtpss.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
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	b72bec8df7665cc40d49650239c52dfb_JaffaCakes118.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
4044	schtasks.exe
3556	schtasks.exe
4876	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2916	b72bec8df7665cc40d49650239c52dfb_JaffaCakes118.exe
3824	RegSvcs.exe
3824	RegSvcs.exe
3824	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3824	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2916	b72bec8df7665cc40d49650239c52dfb_JaffaCakes118.exe
Token: SeDebugPrivilege	3824	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2916 wrote to memory of 4044	2916	b72bec8df7665cc40d49650239c52dfb_JaffaCakes118.exe	99
PID 2916 wrote to memory of 4044	2916	b72bec8df7665cc40d49650239c52dfb_JaffaCakes118.exe	99
PID 2916 wrote to memory of 4044	2916	b72bec8df7665cc40d49650239c52dfb_JaffaCakes118.exe	99
PID 2916 wrote to memory of 3824	2916	b72bec8df7665cc40d49650239c52dfb_JaffaCakes118.exe	101
PID 2916 wrote to memory of 3824	2916	b72bec8df7665cc40d49650239c52dfb_JaffaCakes118.exe	101
PID 2916 wrote to memory of 3824	2916	b72bec8df7665cc40d49650239c52dfb_JaffaCakes118.exe	101
PID 2916 wrote to memory of 3824	2916	b72bec8df7665cc40d49650239c52dfb_JaffaCakes118.exe	101
PID 2916 wrote to memory of 3824	2916	b72bec8df7665cc40d49650239c52dfb_JaffaCakes118.exe	101
PID 2916 wrote to memory of 3824	2916	b72bec8df7665cc40d49650239c52dfb_JaffaCakes118.exe	101
PID 2916 wrote to memory of 3824	2916	b72bec8df7665cc40d49650239c52dfb_JaffaCakes118.exe	101
PID 2916 wrote to memory of 3824	2916	b72bec8df7665cc40d49650239c52dfb_JaffaCakes118.exe	101
PID 3824 wrote to memory of 3556	3824	RegSvcs.exe	102
PID 3824 wrote to memory of 3556	3824	RegSvcs.exe	102
PID 3824 wrote to memory of 3556	3824	RegSvcs.exe	102
PID 3824 wrote to memory of 4876	3824	RegSvcs.exe	104
PID 3824 wrote to memory of 4876	3824	RegSvcs.exe	104
PID 3824 wrote to memory of 4876	3824	RegSvcs.exe	104

C:\Users\Admin\AppData\Local\Temp\b72bec8df7665cc40d49650239c52dfb_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b72bec8df7665cc40d49650239c52dfb_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:2916
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VFrqgfBWqHZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4486.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4044
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  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:3824
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "SMTP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp485E.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3556
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "SMTP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp489E.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4876

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\tmp4486.tmp

Filesize
1KB

MD5
3bbba8b0ee03327b7d377867d007f6a5

SHA1
5a7937057d3c2bba849e77cf8698c8f77e896e82

SHA256
cbd4136aad71668dc8e1f5c1ed54479aa476e26957669d962a85f256f6178361

SHA512
a6a1cc37b5954a13dab26748b215cd12e3cfadc537d243dee186b3e3883de2c7632f7a830326bcb638ab99caa2a27f6e145268619e1895545252c5a25f5e6430

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp485E.tmp

Filesize
1KB

MD5
8cad1b41587ced0f1e74396794f31d58

SHA1
11054bf74fcf5e8e412768035e4dae43aa7b710f

SHA256
3086d914f6b23268f8a12cb1a05516cd5465c2577e1d1e449f1b45c8e5e8f83c

SHA512
99c2ef89029de51a866df932841684b7fc912df21e10e2dd0d09e400203bbdc6cba6319a31780b7bf8b286d2cea8ea3fc7d084348bf2f002ab4f5a34218ccbef

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp489E.tmp

Filesize
1KB

MD5
0339b45ef206f4becc88be0d65e24b9e

SHA1
6503a1851f4ccd8c80a31f96bd7ae40d962c9fad

SHA256
3d568a47a8944a47f4aed6982755ac7ff7dda469cc1c81c213ecaa5d89de1f83

SHA512
c98f4513db34d50510dd986e0d812545c442bd5bef26932032b165759627fab4e00c95fe907ab3416a8a1042bfa77aa516c479f1ff7d1ec2f21ae66df8f72551

Download Submit
memory/2916-6-0x0000000074ADE000-0x0000000074ADF000-memory.dmp

Filesize
4KB

Download
memory/2916-4-0x0000000005430000-0x00000000054CC000-memory.dmp

Filesize
624KB

Download
memory/2916-5-0x00000000054D0000-0x0000000005562000-memory.dmp

Filesize
584KB

Download
memory/2916-0-0x0000000074ADE000-0x0000000074ADF000-memory.dmp

Filesize
4KB

Download
memory/2916-7-0x0000000074AD0000-0x0000000075280000-memory.dmp

Filesize
7.7MB

Download
memory/2916-8-0x0000000005CB0000-0x0000000005D3E000-memory.dmp

Filesize
568KB

Download
memory/2916-9-0x00000000080D0000-0x000000000810E000-memory.dmp

Filesize
248KB

Download
memory/2916-3-0x0000000005240000-0x0000000005248000-memory.dmp

Filesize
32KB

Download
memory/2916-1-0x00000000007E0000-0x00000000008C2000-memory.dmp

Filesize
904KB

Download
memory/2916-16-0x0000000074AD0000-0x0000000075280000-memory.dmp

Filesize
7.7MB

Download
memory/2916-2-0x0000000074AD0000-0x0000000075280000-memory.dmp

Filesize
7.7MB

Download
memory/3824-17-0x0000000005A30000-0x0000000005FD4000-memory.dmp

Filesize
5.6MB

Download
memory/3824-18-0x0000000074AD0000-0x0000000075280000-memory.dmp

Filesize
7.7MB

Download
memory/3824-19-0x0000000005430000-0x000000000543A000-memory.dmp

Filesize
40KB

Download
memory/3824-15-0x0000000074AD0000-0x0000000075280000-memory.dmp

Filesize
7.7MB

Download
memory/3824-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3824-27-0x0000000005680000-0x000000000568A000-memory.dmp

Filesize
40KB

Download
memory/3824-28-0x0000000005860000-0x000000000587E000-memory.dmp

Filesize
120KB

Download
memory/3824-29-0x0000000005A20000-0x0000000005A2A000-memory.dmp

Filesize
40KB

Download
memory/3824-30-0x0000000074AD0000-0x0000000075280000-memory.dmp

Filesize
7.7MB

Download
memory/3824-31-0x0000000074AD0000-0x0000000075280000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads