nanocore | f332af6b1d5bdf611ccca13b210a751c550cb15fc007521eae8f3c837a162f05

General

Target

52df255680f887017591202b52a8efe8_JaffaCakes118.exe
Size

1.1MB
MD5

52df255680f887017591202b52a8efe8
SHA1

f0847dcf66ba729232861a546dde8c5f670afc06
SHA256

f332af6b1d5bdf611ccca13b210a751c550cb15fc007521eae8f3c837a162f05
SHA512

9afde7873c3e3a37486b679e423208b95b89f4ea7711162df9e5902754e5e59ddb7b53cfb67429dbe28aef79646e7ccfe93488de23a5c4a77e212d7e0a216873
SSDEEP

12288:w9hzS7ZQdQsvgcFsd9IG5gK7surUZyOn6hI5uNxtLtBvIIkQ:wXzS7uqsxPKgssurUZN6hI5uNjLLQ/

Score

10^/10

nanocore discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

fellasbam.ddns.net:1608

Mutex

5e85a270-fa64-4260-8631-d4ec385a3021

Attributes

activate_away_mode
true
backup_connection_host
fellasbam.ddns.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-05-21T08:44:23.523905136Z
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
1608
default_group
NEW UPDATE
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
5e85a270-fa64-4260-8631-d4ec385a3021
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
fellasbam.ddns.net
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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	52df255680f887017591202b52a8efe8_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\SCSI Monitor = "C:\\Program Files (x86)\\SCSI Monitor\\scsimon.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4152 set thread context of 5004	4152	52df255680f887017591202b52a8efe8_JaffaCakes118.exe	105

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\SCSI Monitor\scsimon.exe	RegSvcs.exe
File opened for modification	C:\Program Files (x86)\SCSI Monitor\scsimon.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	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	52df255680f887017591202b52a8efe8_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

pid	Process
664	schtasks.exe
3908	schtasks.exe
4528	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4152	52df255680f887017591202b52a8efe8_JaffaCakes118.exe
5004	RegSvcs.exe
5004	RegSvcs.exe
5004	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
5004	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4152	52df255680f887017591202b52a8efe8_JaffaCakes118.exe
Token: SeDebugPrivilege	5004	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 4152 wrote to memory of 664	4152	52df255680f887017591202b52a8efe8_JaffaCakes118.exe	103
PID 4152 wrote to memory of 664	4152	52df255680f887017591202b52a8efe8_JaffaCakes118.exe	103
PID 4152 wrote to memory of 664	4152	52df255680f887017591202b52a8efe8_JaffaCakes118.exe	103
PID 4152 wrote to memory of 5004	4152	52df255680f887017591202b52a8efe8_JaffaCakes118.exe	105
PID 4152 wrote to memory of 5004	4152	52df255680f887017591202b52a8efe8_JaffaCakes118.exe	105
PID 4152 wrote to memory of 5004	4152	52df255680f887017591202b52a8efe8_JaffaCakes118.exe	105
PID 4152 wrote to memory of 5004	4152	52df255680f887017591202b52a8efe8_JaffaCakes118.exe	105
PID 4152 wrote to memory of 5004	4152	52df255680f887017591202b52a8efe8_JaffaCakes118.exe	105
PID 4152 wrote to memory of 5004	4152	52df255680f887017591202b52a8efe8_JaffaCakes118.exe	105
PID 4152 wrote to memory of 5004	4152	52df255680f887017591202b52a8efe8_JaffaCakes118.exe	105
PID 4152 wrote to memory of 5004	4152	52df255680f887017591202b52a8efe8_JaffaCakes118.exe	105
PID 5004 wrote to memory of 3908	5004	RegSvcs.exe	106
PID 5004 wrote to memory of 3908	5004	RegSvcs.exe	106
PID 5004 wrote to memory of 3908	5004	RegSvcs.exe	106
PID 5004 wrote to memory of 4528	5004	RegSvcs.exe	108
PID 5004 wrote to memory of 4528	5004	RegSvcs.exe	108
PID 5004 wrote to memory of 4528	5004	RegSvcs.exe	108

C:\Users\Admin\AppData\Local\Temp\52df255680f887017591202b52a8efe8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\52df255680f887017591202b52a8efe8_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:4152
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bgCkaKPsnfR" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4225.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:664
- 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:5004
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "SCSI Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp461C.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3908
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "SCSI Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp466B.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4528

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp4225.tmp

Filesize
1KB

MD5
dbb62e48029414501de1ef0f8ef3968c

SHA1
830f935528cdb207e848137efac465d003858c06

SHA256
2385da8014cd0284143301ec78e2cd36afb28f871a0cd8f029a67f7969ff8c16

SHA512
f2159270f41456d1bfe2a32338e80e791aa56c797c55e3ba0e47c72dd214f9b986afa178db4fd5a87fabab12d505f94d99b1ca5297f9d2854afd9e8bbf8ab754

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp461C.tmp

Filesize
1KB

MD5
40b11ef601fb28f9b2e69d36857bf2ec

SHA1
b6454020ad2ceed193f4792b77001d0bd741b370

SHA256
c51e12d18cc664425f6711d8ae2507068884c7057092cfa11884100e1e9d49e1

SHA512
e3c5bcc714cbfca4b8058ddcddf231dcefa69c15881ce3f8123e59ed45cfb5da052b56e1945dcf8dc7f800d62f9a4eecb82bca69a66a1530787aeffeb15e2bd5

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp466B.tmp

Filesize
1KB

MD5
2862e61d09852ea2886c036af0465051

SHA1
45e30b14543868213f7f1cba0a1e0cc840fb2cd2

SHA256
d4ba6219d0aff5a36d129a8475cf35b00043d205f751f63ddd56a5c7d4a03ff3

SHA512
33dfd9d12adaa19dd3d4dd7013930e233dd3ff1d114e1e86e50d20ffa848a27582eebdffc09ab974b8de86316c01da6f6254f349992ad507d0f8b13cf0e36579

Download Submit
memory/4152-4-0x0000000074E60000-0x0000000075411000-memory.dmp

Filesize
5.7MB

Download
memory/4152-0-0x0000000074E62000-0x0000000074E63000-memory.dmp

Filesize
4KB

Download
memory/4152-5-0x0000000074E60000-0x0000000075411000-memory.dmp

Filesize
5.7MB

Download
memory/4152-3-0x0000000074E62000-0x0000000074E63000-memory.dmp

Filesize
4KB

Download
memory/4152-13-0x0000000074E60000-0x0000000075411000-memory.dmp

Filesize
5.7MB

Download
memory/4152-2-0x0000000074E60000-0x0000000075411000-memory.dmp

Filesize
5.7MB

Download
memory/4152-1-0x0000000074E60000-0x0000000075411000-memory.dmp

Filesize
5.7MB

Download
memory/5004-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/5004-14-0x0000000074E60000-0x0000000075411000-memory.dmp

Filesize
5.7MB

Download
memory/5004-15-0x0000000074E60000-0x0000000075411000-memory.dmp

Filesize
5.7MB

Download
memory/5004-23-0x0000000074E60000-0x0000000075411000-memory.dmp

Filesize
5.7MB

Download
memory/5004-24-0x0000000074E60000-0x0000000075411000-memory.dmp

Filesize
5.7MB

Download
memory/5004-25-0x0000000074E60000-0x0000000075411000-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