nanocore | 9ae7e5198953115545926d349c96d4e0d61da4ac14360c27dca687fbada15197

General

Target

545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe
Size

737KB
MD5

545f8f6a279701f326222e436a7fb8aa
SHA1

86fdc0972bb1399b2cf9839dbdc4e4833b54f0dc
SHA256

9ae7e5198953115545926d349c96d4e0d61da4ac14360c27dca687fbada15197
SHA512

bfd2fa524563a3aa4a2f9f6561a21adba760ea9d924863b0ae52382f22dc864aef22629805ce0c3a0bc04644f21a1639d32b6f64cfaa859bae20f1235717f933
SSDEEP

12288:1pjtgiylZgYTx0efESxD7gH332eHN1cCdM+9vqBy0807RAzcDGo/q:11tgiyrzF0UESxD7gWYzhdMivqY+R0c9

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

79.134.225.26:4019

Mutex

b86e7d81-e437-49c2-9db5-3428bf45d552

Attributes

activate_away_mode
true
backup_connection_host
79.134.225.26
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-11-19T06:25:20.459827336Z
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
4019
default_group
CLEAROAD
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
b86e7d81-e437-49c2-9db5-3428bf45d552
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
79.134.225.26
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

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:

545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\PCI Subsystem = "C:\\Program Files (x86)\\PCI Subsystem\\pciss.exe"	545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe

description	pid	Process	procid_target
PID 4220 set thread context of 3948	4220	545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe	108

Drops file in Program Files directory 2 IoCs

Processes:

545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe

description	ioc	Process
File created	C:\Program Files (x86)\PCI Subsystem\pciss.exe	545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\PCI Subsystem\pciss.exe	545f8f6a279701f326222e436a7fb8aa_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

Processes:

schtasks.exeschtasks.exe545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exeschtasks.exe545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe

description	ioc	Process
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	545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	545f8f6a279701f326222e436a7fb8aa_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

Processes:

schtasks.exeschtasks.exeschtasks.exe

pid	Process
2368	schtasks.exe
3788	schtasks.exe
4536	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe

pid	Process
4220	545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe
3948	545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe
3948	545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe
3948	545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe

pid	Process
3948	545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe

description	pid	Process
Token: SeDebugPrivilege	4220	545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe
Token: SeDebugPrivilege	3948	545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe

description	pid	Process	procid_target
PID 4220 wrote to memory of 3788	4220	545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe	106
PID 4220 wrote to memory of 3788	4220	545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe	106
PID 4220 wrote to memory of 3788	4220	545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe	106
PID 4220 wrote to memory of 3948	4220	545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe	108
PID 4220 wrote to memory of 3948	4220	545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe	108
PID 4220 wrote to memory of 3948	4220	545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe	108
PID 4220 wrote to memory of 3948	4220	545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe	108
PID 4220 wrote to memory of 3948	4220	545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe	108
PID 4220 wrote to memory of 3948	4220	545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe	108
PID 4220 wrote to memory of 3948	4220	545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe	108
PID 4220 wrote to memory of 3948	4220	545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe	108
PID 3948 wrote to memory of 4536	3948	545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe	110
PID 3948 wrote to memory of 4536	3948	545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe	110
PID 3948 wrote to memory of 4536	3948	545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe	110
PID 3948 wrote to memory of 2368	3948	545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe	112
PID 3948 wrote to memory of 2368	3948	545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe	112
PID 3948 wrote to memory of 2368	3948	545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe	112

C:\Users\Admin\AppData\Local\Temp\545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\545f8f6a279701f326222e436a7fb8aa_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:4220
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OnxFSpPWGyjcoP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1572.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3788
- C:\Users\Admin\AppData\Local\Temp\545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe
  "{path}"
  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:3948
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "PCI Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1BFA.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4536
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "PCI Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1C2A.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2368

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

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe.log

Filesize
1KB

MD5
e50d61d6d5cec0d2c6b3fbf02b17af2d

SHA1
fcf43f96e7389c27ee201fb00b65db01ca2cee40

SHA256
a87cf2dbf70a59d3d347f9ca743b6ceb3c805b4714cf4fb963c18b9ca8ffd0a9

SHA512
0348b60095cd48d275a5234fe34c1fd7a7c9921e1d92dafea0379d607f898eb1c2e089dafa1db608fad65497fc8f90fa699109b06a5f2c12c0bc8c9192ff9924

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1572.tmp

Filesize
1KB

MD5
f81234cd477aa6ee6dba650ec0f7a289

SHA1
2d1cf153de1696699fa1e822b28dc3bdebf79616

SHA256
5c82a6c27aa8364d87fac3fb93b4b61e7c77eeb44311648d55603b6784dec6ef

SHA512
b1350cd0802bf8890b36d2b72ae8e4087f9ca22c42ff9022136fc290b220ee18864e39c738a1ada35a47b1120c4fb15b81a17f47a313e7903df241db4acee6c5

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1BFA.tmp

Filesize
1KB

MD5
16c1375b21dff58ce5d16c11872ce437

SHA1
2eb26bddec99e81265153d3ef6a46521d2158044

SHA256
1bd0391a8cf0e29bf119d133af968c73036c991981339be6462e2ad1360c87ed

SHA512
cfd3cb2dfa3194e98e6053264509074c1af5fb107094edc18b5be898b0890fc0ad94222b5bf633db1d90f9aa853abee193bcf7d61d0ed4464c1254f1b1fbb77f

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1C2A.tmp

Filesize
1KB

MD5
09063e7cc0d66a9aed53f2e2d2409103

SHA1
96f8fa15b5a3b2646f6691770a158c69ea7405a4

SHA256
369b159ef60c988373a3c85e0b10b5ff2178504465f11965ab0d66f14124f9a1

SHA512
c460a3cab70270c5cefe0464df6ddb9d50bb58ac9c49c7e62c9a55cc6bc30b6411cbc28ae418dd91b1ba1190f8394ccd937452ae70d7062740207d2ffc68e2ec

Download Submit
memory/3948-16-0x0000000074CB0000-0x0000000075460000-memory.dmp

Filesize
7.7MB

Download
memory/3948-28-0x0000000005270000-0x000000000527A000-memory.dmp

Filesize
40KB

Download
memory/3948-32-0x0000000074CB0000-0x0000000075460000-memory.dmp

Filesize
7.7MB

Download
memory/3948-31-0x0000000074CB0000-0x0000000075460000-memory.dmp

Filesize
7.7MB

Download
memory/3948-30-0x00000000063E0000-0x00000000063EA000-memory.dmp

Filesize
40KB

Download
memory/3948-29-0x00000000062C0000-0x00000000062DE000-memory.dmp

Filesize
120KB

Download
memory/3948-20-0x0000000005200000-0x000000000520A000-memory.dmp

Filesize
40KB

Download
memory/3948-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3948-19-0x0000000074CB0000-0x0000000075460000-memory.dmp

Filesize
7.7MB

Download
memory/3948-18-0x0000000005820000-0x0000000005DC4000-memory.dmp

Filesize
5.6MB

Download
memory/4220-3-0x00000000051B0000-0x00000000051B8000-memory.dmp

Filesize
32KB

Download
memory/4220-17-0x0000000074CB0000-0x0000000075460000-memory.dmp

Filesize
7.7MB

Download
memory/4220-0-0x0000000074CBE000-0x0000000074CBF000-memory.dmp

Filesize
4KB

Download
memory/4220-4-0x00000000053E0000-0x0000000005472000-memory.dmp

Filesize
584KB

Download
memory/4220-2-0x0000000074CB0000-0x0000000075460000-memory.dmp

Filesize
7.7MB

Download
memory/4220-1-0x00000000007A0000-0x000000000085E000-memory.dmp

Filesize
760KB

Download
memory/4220-5-0x0000000005480000-0x000000000551C000-memory.dmp

Filesize
624KB

Download
memory/4220-9-0x0000000008060000-0x00000000080A2000-memory.dmp

Filesize
264KB

Download
memory/4220-8-0x0000000005C40000-0x0000000005CD4000-memory.dmp

Filesize
592KB

Download
memory/4220-7-0x0000000074CB0000-0x0000000075460000-memory.dmp

Filesize
7.7MB

Download
memory/4220-6-0x0000000074CBE000-0x0000000074CBF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads