nanocore | dd8f89aefc7df0cae92af60345a0f467ef1ec14decc73ae24b355408fc8ad78b

General

Target

f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe
Size

880KB
MD5

f42e394da602e24e0caf22cc16b9a587
SHA1

6d8c11fa74903f18b6a222464a9f1a40f50dc347
SHA256

dd8f89aefc7df0cae92af60345a0f467ef1ec14decc73ae24b355408fc8ad78b
SHA512

295bca27e74a41e0a59a2ee6c3575fde18f59a655df888b9345a5db11702f6993273b4a93c6c6261bc42c7a5652655c9a6b4dbfab4822cae6c23081284d8fca7
SSDEEP

12288:BnMQQ6h7qT0zX8uMEptG+jvmSUdLDb6kaiEmfuAiweutmDFSxO4aP7chD9MMGbxo:BMDP/eAcU+oOutmZSIv7chD9MMGbxZe

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

tunneddd.ydns.eu:6642

Mutex

c748cabc-e270-42b1-88eb-578ec49059d4

Attributes

activate_away_mode
true
backup_connection_host
tunneddd.ydns.eu
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-05-21T12:53:19.110027936Z
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
6642
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
c748cabc-e270-42b1-88eb-578ec49059d4
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
tunneddd.ydns.eu
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

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\DHCP Host = "C:\\Program Files (x86)\\DHCP Host\\dhcphost.exe"	f42e394da602e24e0caf22cc16b9a587_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	f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3852 set thread context of 3316	3852	f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe	99

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\DHCP Host\dhcphost.exe	f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\DHCP Host\dhcphost.exe	f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f42e394da602e24e0caf22cc16b9a587_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 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
1444	schtasks.exe
2784	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
3316	f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe
3316	f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe
3316	f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3316	f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3316	f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3852 wrote to memory of 3316	3852	f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe	99
PID 3852 wrote to memory of 3316	3852	f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe	99
PID 3852 wrote to memory of 3316	3852	f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe	99
PID 3852 wrote to memory of 3316	3852	f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe	99
PID 3852 wrote to memory of 3316	3852	f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe	99
PID 3852 wrote to memory of 3316	3852	f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe	99
PID 3852 wrote to memory of 3316	3852	f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe	99
PID 3852 wrote to memory of 3316	3852	f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe	99
PID 3316 wrote to memory of 2784	3316	f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe	100
PID 3316 wrote to memory of 2784	3316	f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe	100
PID 3316 wrote to memory of 2784	3316	f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe	100
PID 3316 wrote to memory of 1444	3316	f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe	102
PID 3316 wrote to memory of 1444	3316	f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe	102
PID 3316 wrote to memory of 1444	3316	f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe	102

C:\Users\Admin\AppData\Local\Temp\f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3852
- C:\Users\Admin\AppData\Local\Temp\f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f42e394da602e24e0caf22cc16b9a587_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:3316
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "DHCP Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmp3C77.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2784
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "DHCP Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp3CD6.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1444

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

1

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\Microsoft\CLR_v4.0_32\UsageLogs\f42e394da602e24e0caf22cc16b9a587_JaffaCakes118.exe.log

Filesize
1KB

MD5
17573558c4e714f606f997e5157afaac

SHA1
13e16e9415ceef429aaf124139671ebeca09ed23

SHA256
c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

SHA512
f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp3C77.tmp

Filesize
1KB

MD5
e995c40e0fabee995bf8e5335db85e1e

SHA1
34defa3c4b444f7afcc9815990c5abbdfa4db99a

SHA256
0f2b1c3226a9dabb92f6c5d6964ed9b0e3dee3f3f93fac05dbb3983cc0d395c7

SHA512
7e41e1ddbc6496d6e357f6e9b1071c02ffdc387e2b2d9223e6d0d5d70d0cf756bedc682a7d7c57be5373850b2bffbe1e8dd16fdb6a0b890d3b4e4ec725cb2769

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp3CD6.tmp

Filesize
1KB

MD5
0479d5f304ef2d7e3c15fb24a99f88c1

SHA1
8edbb1450a656fac5f5e96779ffe440ee8c1aec9

SHA256
112557c2b2d0c669a3b115129dc32f005341e965330fa8f2ad3e5de1926594bc

SHA512
537e8d87e5cd975f0e69bb145f81d6e9d7b0d82eed143ac351304ea38577137386a51fdb7357ec6d641eb04ff5f51e249bba2db8a4b5bf2934d561394a4a3f15

Download Submit
memory/3316-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3316-31-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/3316-30-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/3316-29-0x0000000005DD0000-0x0000000005DDA000-memory.dmp

Filesize
40KB

Download
memory/3316-28-0x0000000005C00000-0x0000000005C1E000-memory.dmp

Filesize
120KB

Download
memory/3316-27-0x0000000005BF0000-0x0000000005BFA000-memory.dmp

Filesize
40KB

Download
memory/3316-18-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/3316-17-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/3852-12-0x0000000006AC0000-0x0000000006B68000-memory.dmp

Filesize
672KB

Download
memory/3852-19-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/3852-13-0x0000000007100000-0x000000000713A000-memory.dmp

Filesize
232KB

Download
memory/3852-11-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/3852-10-0x000000007474E000-0x000000007474F000-memory.dmp

Filesize
4KB

Download
memory/3852-9-0x00000000066E0000-0x00000000066F6000-memory.dmp

Filesize
88KB

Download
memory/3852-8-0x00000000055F0000-0x0000000005646000-memory.dmp

Filesize
344KB

Download
memory/3852-0-0x000000007474E000-0x000000007474F000-memory.dmp

Filesize
4KB

Download
memory/3852-6-0x0000000004E40000-0x0000000004E4A000-memory.dmp

Filesize
40KB

Download
memory/3852-7-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/3852-5-0x000000000A870000-0x000000000A902000-memory.dmp

Filesize
584KB

Download
memory/3852-4-0x000000000AF60000-0x000000000B504000-memory.dmp

Filesize
5.6MB

Download
memory/3852-3-0x000000000A910000-0x000000000A9AC000-memory.dmp

Filesize
624KB

Download
memory/3852-2-0x00000000077C0000-0x0000000007866000-memory.dmp

Filesize
664KB

Download
memory/3852-1-0x00000000008D0000-0x00000000009B2000-memory.dmp

Filesize
904KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads