nanocore | ea81656cd2733c5ad12faeb039158012ce49b713f6f0df268a59cec746d0e59c

General

Target

9cc283969b75e69c196e8661fea9f7ed_JaffaCakes118.exe
Size

778KB
MD5

9cc283969b75e69c196e8661fea9f7ed
SHA1

6d1969528ba831073f32ac98505640aee094b0c8
SHA256

ea81656cd2733c5ad12faeb039158012ce49b713f6f0df268a59cec746d0e59c
SHA512

cb116816cf7b088ed8ede645e2ceed0c04a71c98871f1e2ff46d48c86bf3922ce13aebbe2d6da6eaa767118d2aee84ce0a822bc480889760be48132429f7c862
SSDEEP

12288:S8yQphtg8oZBKeQsAdUdxmcTS/q56WJRklGs3rGKibsUtzl/hqCfgGMLFV2hkVVG:SNwtazQsQUZTS/qwWJVs36pbsExs

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

xp18.ddns.net:1012

Mutex

ef6b2072-3b38-4899-b925-378df7ad2d73

Attributes

activate_away_mode
true
backup_connection_host
xp18.ddns.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-04-23T05:59:24.479035036Z
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
1012
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
ef6b2072-3b38-4899-b925-378df7ad2d73
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
xp18.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
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\SMTP Subsystem = "C:\\Program Files (x86)\\SMTP Subsystem\\smtpss.exe"	9cc283969b75e69c196e8661fea9f7ed_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	9cc283969b75e69c196e8661fea9f7ed_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2396 set thread context of 3888	2396	9cc283969b75e69c196e8661fea9f7ed_JaffaCakes118.exe	98

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\SMTP Subsystem\smtpss.exe	9cc283969b75e69c196e8661fea9f7ed_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\SMTP Subsystem\smtpss.exe	9cc283969b75e69c196e8661fea9f7ed_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	9cc283969b75e69c196e8661fea9f7ed_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9cc283969b75e69c196e8661fea9f7ed_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
4724	schtasks.exe
5008	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
3888	9cc283969b75e69c196e8661fea9f7ed_JaffaCakes118.exe
3888	9cc283969b75e69c196e8661fea9f7ed_JaffaCakes118.exe
3888	9cc283969b75e69c196e8661fea9f7ed_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3888	9cc283969b75e69c196e8661fea9f7ed_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3888	9cc283969b75e69c196e8661fea9f7ed_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2396 wrote to memory of 3888	2396	9cc283969b75e69c196e8661fea9f7ed_JaffaCakes118.exe	98
PID 2396 wrote to memory of 3888	2396	9cc283969b75e69c196e8661fea9f7ed_JaffaCakes118.exe	98
PID 2396 wrote to memory of 3888	2396	9cc283969b75e69c196e8661fea9f7ed_JaffaCakes118.exe	98
PID 2396 wrote to memory of 3888	2396	9cc283969b75e69c196e8661fea9f7ed_JaffaCakes118.exe	98
PID 2396 wrote to memory of 3888	2396	9cc283969b75e69c196e8661fea9f7ed_JaffaCakes118.exe	98
PID 2396 wrote to memory of 3888	2396	9cc283969b75e69c196e8661fea9f7ed_JaffaCakes118.exe	98
PID 2396 wrote to memory of 3888	2396	9cc283969b75e69c196e8661fea9f7ed_JaffaCakes118.exe	98
PID 2396 wrote to memory of 3888	2396	9cc283969b75e69c196e8661fea9f7ed_JaffaCakes118.exe	98
PID 3888 wrote to memory of 4724	3888	9cc283969b75e69c196e8661fea9f7ed_JaffaCakes118.exe	99
PID 3888 wrote to memory of 4724	3888	9cc283969b75e69c196e8661fea9f7ed_JaffaCakes118.exe	99
PID 3888 wrote to memory of 4724	3888	9cc283969b75e69c196e8661fea9f7ed_JaffaCakes118.exe	99
PID 3888 wrote to memory of 5008	3888	9cc283969b75e69c196e8661fea9f7ed_JaffaCakes118.exe	101
PID 3888 wrote to memory of 5008	3888	9cc283969b75e69c196e8661fea9f7ed_JaffaCakes118.exe	101
PID 3888 wrote to memory of 5008	3888	9cc283969b75e69c196e8661fea9f7ed_JaffaCakes118.exe	101

C:\Users\Admin\AppData\Local\Temp\9cc283969b75e69c196e8661fea9f7ed_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9cc283969b75e69c196e8661fea9f7ed_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2396
- C:\Users\Admin\AppData\Local\Temp\9cc283969b75e69c196e8661fea9f7ed_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:3888
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "SMTP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmpEA1.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4724
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "SMTP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpF0F.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:5008

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\9cc283969b75e69c196e8661fea9f7ed_JaffaCakes118.exe.log

Filesize
496B

MD5
cb76b18ebed3a9f05a14aed43d35fba6

SHA1
836a4b4e351846fca08b84149cb734cb59b8c0d6

SHA256
8d0edecf54cbbdf7981c8e41a3ed8621503188a87415f9af0fb8d890b138c349

SHA512
7631141e4a6dda29452ada666326837372cd3d045f773006f63d9eff15d9432ed00029d9108a72c1a3b858377600a2aab2c9ec03764285c8801b6019babcf21c

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpEA1.tmp

Filesize
1KB

MD5
bf8e6f649deb61668be0103e76c34229

SHA1
4a57e4dd6550c9344870347b416cf2af50b45f3c

SHA256
d5d440ff65e891904ebfc1d6d1cf3ce739b49d424455db55b1f3ffa787042a98

SHA512
75a655152829f8c36218b0c8c159e3ec6985a5b4b3b02b14f79abcf8f3b11cea698ed0471e33fa3f0f21219b26c9ab947872f36e980ecc2f92f4814b2c199cec

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpF0F.tmp

Filesize
1KB

MD5
0339b45ef206f4becc88be0d65e24b9e

SHA1
6503a1851f4ccd8c80a31f96bd7ae40d962c9fad

SHA256
3d568a47a8944a47f4aed6982755ac7ff7dda469cc1c81c213ecaa5d89de1f83

SHA512
c98f4513db34d50510dd986e0d812545c442bd5bef26932032b165759627fab4e00c95fe907ab3416a8a1042bfa77aa516c479f1ff7d1ec2f21ae66df8f72551

Download Submit
memory/2396-4-0x0000000074722000-0x0000000074723000-memory.dmp

Filesize
4KB

Download
memory/2396-1-0x0000000074720000-0x0000000074CD1000-memory.dmp

Filesize
5.7MB

Download
memory/2396-5-0x0000000074720000-0x0000000074CD1000-memory.dmp

Filesize
5.7MB

Download
memory/2396-0-0x0000000074722000-0x0000000074723000-memory.dmp

Filesize
4KB

Download
memory/2396-2-0x0000000074720000-0x0000000074CD1000-memory.dmp

Filesize
5.7MB

Download
memory/2396-3-0x0000000074720000-0x0000000074CD1000-memory.dmp

Filesize
5.7MB

Download
memory/2396-10-0x0000000074720000-0x0000000074CD1000-memory.dmp

Filesize
5.7MB

Download
memory/3888-11-0x0000000074720000-0x0000000074CD1000-memory.dmp

Filesize
5.7MB

Download
memory/3888-12-0x0000000074720000-0x0000000074CD1000-memory.dmp

Filesize
5.7MB

Download
memory/3888-9-0x0000000074720000-0x0000000074CD1000-memory.dmp

Filesize
5.7MB

Download
memory/3888-6-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3888-20-0x0000000074720000-0x0000000074CD1000-memory.dmp

Filesize
5.7MB

Download
memory/3888-21-0x0000000074720000-0x0000000074CD1000-memory.dmp

Filesize
5.7MB

Download
memory/3888-22-0x0000000074720000-0x0000000074CD1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads