nanocore | 7eccfb2ac45a99a369790670d0e81ccc19281b86cfaf8036b951870ebee22291

General

Target

b21939c8f60b333a602450ce9ed8e5c8_JaffaCakes118.exe
Size

851KB
MD5

b21939c8f60b333a602450ce9ed8e5c8
SHA1

999bfff04341d174c02978a42d572e96909192bc
SHA256

7eccfb2ac45a99a369790670d0e81ccc19281b86cfaf8036b951870ebee22291
SHA512

6bf7c99ad2aa4e83afbe5af99cdcccccb1bf00759b25c8c88ab5bccb074fddb4f205d35b6c9189fa5008ef27bad2984a6a20e2da4a7b032d72766b77d2cc4235
SSDEEP

12288:kgrZqWiXsPnmx0Ap1OynaWM1ITRtEbmOkdbIIRkxJ5g7v:kgrwWiXEVAp1OydMUtEbbQEI65k

Score

10^/10

nanocore discovery evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

45.137.22.36:4837

vps.rootlayer.net:4837

Mutex

a34ff911-f69f-4250-a136-9f7dda1ff095

Attributes

activate_away_mode
true
backup_connection_host
vps.rootlayer.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-11-26T04:44:00.669256236Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
4837
default_group
root1
enable_debug_mode
true
gc_threshold
1.048576e+07
keep_alive_timeout
30000
keyboard_logging
true
lan_timeout
2500
max_packet_size
1.048576e+07
mutex
a34ff911-f69f-4250-a136-9f7dda1ff095
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
45.137.22.36
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
true
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 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	b21939c8f60b333a602450ce9ed8e5c8_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2284 set thread context of 624	2284	b21939c8f60b333a602450ce9ed8e5c8_JaffaCakes118.exe	34

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 3 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	b21939c8f60b333a602450ce9ed8e5c8_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b21939c8f60b333a602450ce9ed8e5c8_JaffaCakes118.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
1688	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2284	b21939c8f60b333a602450ce9ed8e5c8_JaffaCakes118.exe
2284	b21939c8f60b333a602450ce9ed8e5c8_JaffaCakes118.exe
624	b21939c8f60b333a602450ce9ed8e5c8_JaffaCakes118.exe
624	b21939c8f60b333a602450ce9ed8e5c8_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
624	b21939c8f60b333a602450ce9ed8e5c8_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2284	b21939c8f60b333a602450ce9ed8e5c8_JaffaCakes118.exe
Token: SeDebugPrivilege	624	b21939c8f60b333a602450ce9ed8e5c8_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2284 wrote to memory of 1688	2284	b21939c8f60b333a602450ce9ed8e5c8_JaffaCakes118.exe	31
PID 2284 wrote to memory of 1688	2284	b21939c8f60b333a602450ce9ed8e5c8_JaffaCakes118.exe	31
PID 2284 wrote to memory of 1688	2284	b21939c8f60b333a602450ce9ed8e5c8_JaffaCakes118.exe	31
PID 2284 wrote to memory of 1688	2284	b21939c8f60b333a602450ce9ed8e5c8_JaffaCakes118.exe	31
PID 2284 wrote to memory of 824	2284	b21939c8f60b333a602450ce9ed8e5c8_JaffaCakes118.exe	33
PID 2284 wrote to memory of 824	2284	b21939c8f60b333a602450ce9ed8e5c8_JaffaCakes118.exe	33
PID 2284 wrote to memory of 824	2284	b21939c8f60b333a602450ce9ed8e5c8_JaffaCakes118.exe	33
PID 2284 wrote to memory of 824	2284	b21939c8f60b333a602450ce9ed8e5c8_JaffaCakes118.exe	33
PID 2284 wrote to memory of 624	2284	b21939c8f60b333a602450ce9ed8e5c8_JaffaCakes118.exe	34
PID 2284 wrote to memory of 624	2284	b21939c8f60b333a602450ce9ed8e5c8_JaffaCakes118.exe	34
PID 2284 wrote to memory of 624	2284	b21939c8f60b333a602450ce9ed8e5c8_JaffaCakes118.exe	34
PID 2284 wrote to memory of 624	2284	b21939c8f60b333a602450ce9ed8e5c8_JaffaCakes118.exe	34
PID 2284 wrote to memory of 624	2284	b21939c8f60b333a602450ce9ed8e5c8_JaffaCakes118.exe	34
PID 2284 wrote to memory of 624	2284	b21939c8f60b333a602450ce9ed8e5c8_JaffaCakes118.exe	34
PID 2284 wrote to memory of 624	2284	b21939c8f60b333a602450ce9ed8e5c8_JaffaCakes118.exe	34
PID 2284 wrote to memory of 624	2284	b21939c8f60b333a602450ce9ed8e5c8_JaffaCakes118.exe	34
PID 2284 wrote to memory of 624	2284	b21939c8f60b333a602450ce9ed8e5c8_JaffaCakes118.exe	34

C:\Users\Admin\AppData\Local\Temp\b21939c8f60b333a602450ce9ed8e5c8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b21939c8f60b333a602450ce9ed8e5c8_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:2284
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QpHPkzgcBelvAL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp38DC.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1688
- C:\Users\Admin\AppData\Local\Temp\b21939c8f60b333a602450ce9ed8e5c8_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\b21939c8f60b333a602450ce9ed8e5c8_JaffaCakes118.exe"
  2⤵
  PID:824
- C:\Users\Admin\AppData\Local\Temp\b21939c8f60b333a602450ce9ed8e5c8_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\b21939c8f60b333a602450ce9ed8e5c8_JaffaCakes118.exe"
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:624

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp38DC.tmp

Filesize
1KB

MD5
dd1c7cac3ab4046730729ad51d68c8e7

SHA1
87f2ac5eb03f0a3fc6b3bf2e48fe522e8edff83f

SHA256
14939b942a1b330445cc62294683a46906ad96e5ba58dc318e9cf1343f702884

SHA512
e79d45dc9d3aae1dc577709593e3e1d90fc28f226dd64673312dc7f3fe6edf496eef55fee6928cdc3910aee96fb95d7e487cc1ca1b843e676e359fce582d07c7

Download Submit
memory/624-25-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/624-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/624-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/624-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/624-30-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/624-29-0x0000000000840000-0x000000000084A000-memory.dmp

Filesize
40KB

Download
memory/624-28-0x0000000000680000-0x000000000069E000-memory.dmp

Filesize
120KB

Download
memory/624-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/624-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/624-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/624-27-0x0000000000670000-0x000000000067A000-memory.dmp

Filesize
40KB

Download
memory/624-31-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/624-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/624-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/624-23-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/2284-1-0x0000000000050000-0x000000000012A000-memory.dmp

Filesize
872KB

Download
memory/2284-24-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/2284-0-0x00000000749EE000-0x00000000749EF000-memory.dmp

Filesize
4KB

Download
memory/2284-3-0x00000000004C0000-0x00000000004CA000-memory.dmp

Filesize
40KB

Download
memory/2284-2-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/2284-6-0x0000000004EB0000-0x0000000004F18000-memory.dmp

Filesize
416KB

Download
memory/2284-5-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/2284-4-0x00000000749EE000-0x00000000749EF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads