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

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 Manager = "C:\\Program Files (x86)\\PCI Manager\\pcimgr.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 2084 set thread context of 3052	2084	545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe	32

Drops file in Program Files directory 2 IoCs

Processes:

545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe

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

545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exeschtasks.exe545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exeschtasks.exeschtasks.exe

description	ioc	Process
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
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

Processes:

schtasks.exeschtasks.exeschtasks.exe

pid	Process
1732	schtasks.exe
2544	schtasks.exe
2948	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe

pid	Process
2084	545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe
3052	545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe
3052	545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe

pid	Process
3052	545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe

description	pid	Process
Token: SeDebugPrivilege	2084	545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe
Token: SeDebugPrivilege	3052	545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2084 wrote to memory of 1732	2084	545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe	30
PID 2084 wrote to memory of 1732	2084	545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe	30
PID 2084 wrote to memory of 1732	2084	545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe	30
PID 2084 wrote to memory of 1732	2084	545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe	30
PID 2084 wrote to memory of 3052	2084	545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe	32
PID 2084 wrote to memory of 3052	2084	545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe	32
PID 2084 wrote to memory of 3052	2084	545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe	32
PID 2084 wrote to memory of 3052	2084	545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe	32
PID 2084 wrote to memory of 3052	2084	545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe	32
PID 2084 wrote to memory of 3052	2084	545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe	32
PID 2084 wrote to memory of 3052	2084	545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe	32
PID 2084 wrote to memory of 3052	2084	545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe	32
PID 2084 wrote to memory of 3052	2084	545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe	32
PID 3052 wrote to memory of 2544	3052	545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe	33
PID 3052 wrote to memory of 2544	3052	545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe	33
PID 3052 wrote to memory of 2544	3052	545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe	33
PID 3052 wrote to memory of 2544	3052	545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe	33
PID 3052 wrote to memory of 2948	3052	545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe	35
PID 3052 wrote to memory of 2948	3052	545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe	35
PID 3052 wrote to memory of 2948	3052	545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe	35
PID 3052 wrote to memory of 2948	3052	545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe	35

C:\Users\Admin\AppData\Local\Temp\545f8f6a279701f326222e436a7fb8aa_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\545f8f6a279701f326222e436a7fb8aa_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:2084
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OnxFSpPWGyjcoP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7F2E.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1732
- 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:3052
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "PCI Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmp81DD.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2544
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "PCI Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp822C.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2948

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp7F2E.tmp

Filesize
1KB

MD5
637ae9ebbcccce76b5365e7dfb6b6fed

SHA1
bcf7ab19f480bdafe0492684ed5dc8e721c47759

SHA256
fd303ad7af3f259f95518619ad81054fb25f7e34e82c86fae5d0f1227a9a7eff

SHA512
07dbf9bc3c97de6a574e6cbac1dda6aa53b7f9b360cb5a27e01ec3b2c124c5ae19469098bff479cd5e2513564ffd33f61a1e5a48e3cf927bc1091edcabdf4a0e

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp81DD.tmp

Filesize
1KB

MD5
16c1375b21dff58ce5d16c11872ce437

SHA1
2eb26bddec99e81265153d3ef6a46521d2158044

SHA256
1bd0391a8cf0e29bf119d133af968c73036c991981339be6462e2ad1360c87ed

SHA512
cfd3cb2dfa3194e98e6053264509074c1af5fb107094edc18b5be898b0890fc0ad94222b5bf633db1d90f9aa853abee193bcf7d61d0ed4464c1254f1b1fbb77f

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp822C.tmp

Filesize
1KB

MD5
da7aec92f4b1e721f6eeccec52db4901

SHA1
e1bc32c2277c42aec2356f6242ee427af53c2a52

SHA256
7bcfd205f07bffa61c788644c1d6639d03126c46fdbd6550f7e21795dc78b3c0

SHA512
340e234cdfb1b327369378131629f0ff5538c6a1c578c59bfc1b66442ff3f5793f119db13b8d3f158969071eb0fc0c7fbe5c79094572fac0cea528489bf11720

Download Submit
memory/2084-27-0x0000000074C50000-0x000000007533E000-memory.dmp

Filesize
6.9MB

Download
memory/2084-0-0x0000000074C5E000-0x0000000074C5F000-memory.dmp

Filesize
4KB

Download
memory/2084-5-0x0000000074C50000-0x000000007533E000-memory.dmp

Filesize
6.9MB

Download
memory/2084-6-0x0000000004DE0000-0x0000000004E74000-memory.dmp

Filesize
592KB

Download
memory/2084-7-0x0000000000610000-0x0000000000652000-memory.dmp

Filesize
264KB

Download
memory/2084-3-0x00000000003C0000-0x00000000003C8000-memory.dmp

Filesize
32KB

Download
memory/2084-4-0x0000000074C5E000-0x0000000074C5F000-memory.dmp

Filesize
4KB

Download
memory/2084-1-0x0000000001190000-0x000000000124E000-memory.dmp

Filesize
760KB

Download
memory/2084-2-0x0000000074C50000-0x000000007533E000-memory.dmp

Filesize
6.9MB

Download
memory/3052-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3052-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3052-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3052-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3052-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3052-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3052-26-0x0000000074C50000-0x000000007533E000-memory.dmp

Filesize
6.9MB

Download
memory/3052-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3052-25-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3052-35-0x00000000004F0000-0x00000000004FA000-memory.dmp

Filesize
40KB

Download
memory/3052-36-0x0000000000600000-0x000000000061E000-memory.dmp

Filesize
120KB

Download
memory/3052-37-0x0000000000660000-0x000000000066A000-memory.dmp

Filesize
40KB

Download
memory/3052-38-0x0000000074C50000-0x000000007533E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads