nanocore | 4afa8b9bd371f61fa509e0304c20887fda7e7a10031db9355ebb07af9ea04718

General

Target

ad365f7953b7891b8b5c703ab9e8c945_JaffaCakes118.exe
Size

598KB
MD5

ad365f7953b7891b8b5c703ab9e8c945
SHA1

23c501ad2fe50c939bddd9264529175c25fd13bc
SHA256

4afa8b9bd371f61fa509e0304c20887fda7e7a10031db9355ebb07af9ea04718
SHA512

19e08d4007d5fe120fe9feda214738767211d56c3b227509f19bad2ffca91a781c0bcb020f434d7820cc487332792d9f696d63f5a2fe100303af29915d720eea
SSDEEP

12288:Ylo9QT0y8JQPVBPmedXRww+XhL1R4QaRproVTYQr:P960VJYmedhkeRWBR

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

ghsgatvxbznmklopwagdhusvxbznxgtewuahjkop.ydns.eu:6932

Mutex

85e37885-b3ec-483d-a191-58b2523c3701

Attributes

activate_away_mode
true
backup_connection_host
ghsgatvxbznmklopwagdhusvxbznxgtewuahjkop.ydns.eu
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-05-14T20:49:39.098077236Z
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
6932
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
85e37885-b3ec-483d-a191-58b2523c3701
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
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"	ad365f7953b7891b8b5c703ab9e8c945_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	ad365f7953b7891b8b5c703ab9e8c945_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2428 set thread context of 512	2428	ad365f7953b7891b8b5c703ab9e8c945_JaffaCakes118.exe	97

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\SMTP Subsystem\smtpss.exe	ad365f7953b7891b8b5c703ab9e8c945_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\SMTP Subsystem\smtpss.exe	ad365f7953b7891b8b5c703ab9e8c945_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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ad365f7953b7891b8b5c703ab9e8c945_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ad365f7953b7891b8b5c703ab9e8c945_JaffaCakes118.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
2476	schtasks.exe
3272	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
512	ad365f7953b7891b8b5c703ab9e8c945_JaffaCakes118.exe
512	ad365f7953b7891b8b5c703ab9e8c945_JaffaCakes118.exe
512	ad365f7953b7891b8b5c703ab9e8c945_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
512	ad365f7953b7891b8b5c703ab9e8c945_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	512	ad365f7953b7891b8b5c703ab9e8c945_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2428 wrote to memory of 512	2428	ad365f7953b7891b8b5c703ab9e8c945_JaffaCakes118.exe	97
PID 2428 wrote to memory of 512	2428	ad365f7953b7891b8b5c703ab9e8c945_JaffaCakes118.exe	97
PID 2428 wrote to memory of 512	2428	ad365f7953b7891b8b5c703ab9e8c945_JaffaCakes118.exe	97
PID 2428 wrote to memory of 512	2428	ad365f7953b7891b8b5c703ab9e8c945_JaffaCakes118.exe	97
PID 2428 wrote to memory of 512	2428	ad365f7953b7891b8b5c703ab9e8c945_JaffaCakes118.exe	97
PID 2428 wrote to memory of 512	2428	ad365f7953b7891b8b5c703ab9e8c945_JaffaCakes118.exe	97
PID 2428 wrote to memory of 512	2428	ad365f7953b7891b8b5c703ab9e8c945_JaffaCakes118.exe	97
PID 2428 wrote to memory of 512	2428	ad365f7953b7891b8b5c703ab9e8c945_JaffaCakes118.exe	97
PID 512 wrote to memory of 2476	512	ad365f7953b7891b8b5c703ab9e8c945_JaffaCakes118.exe	98
PID 512 wrote to memory of 2476	512	ad365f7953b7891b8b5c703ab9e8c945_JaffaCakes118.exe	98
PID 512 wrote to memory of 2476	512	ad365f7953b7891b8b5c703ab9e8c945_JaffaCakes118.exe	98
PID 512 wrote to memory of 3272	512	ad365f7953b7891b8b5c703ab9e8c945_JaffaCakes118.exe	100
PID 512 wrote to memory of 3272	512	ad365f7953b7891b8b5c703ab9e8c945_JaffaCakes118.exe	100
PID 512 wrote to memory of 3272	512	ad365f7953b7891b8b5c703ab9e8c945_JaffaCakes118.exe	100

C:\Users\Admin\AppData\Local\Temp\ad365f7953b7891b8b5c703ab9e8c945_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ad365f7953b7891b8b5c703ab9e8c945_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2428
- C:\Users\Admin\AppData\Local\Temp\ad365f7953b7891b8b5c703ab9e8c945_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:512
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "SMTP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp2B70.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2476
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "SMTP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp2BA0.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3272

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\ad365f7953b7891b8b5c703ab9e8c945_JaffaCakes118.exe.log

Filesize
496B

MD5
cb76b18ebed3a9f05a14aed43d35fba6

SHA1
836a4b4e351846fca08b84149cb734cb59b8c0d6

SHA256
8d0edecf54cbbdf7981c8e41a3ed8621503188a87415f9af0fb8d890b138c349

SHA512
7631141e4a6dda29452ada666326837372cd3d045f773006f63d9eff15d9432ed00029d9108a72c1a3b858377600a2aab2c9ec03764285c8801b6019babcf21c

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp2B70.tmp

Filesize
1KB

MD5
b24f578cd249a696d517a42e5e5c26da

SHA1
cb09fa1dcf1e46c92b20ebdf881dd19f46196157

SHA256
7009aeae8b85b7e64a285f0c25b4c8732f71f28d607c77e7be849381016fdd07

SHA512
44e39e2eb49b32e242e5fd0aff0db62c2bc88ddc1315e6854b44f1c36f9578b9f0af09d701b5b83c7664f059efc605350e96a2d512757be2cc1e49728dd13e4f

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp2BA0.tmp

Filesize
1KB

MD5
0339b45ef206f4becc88be0d65e24b9e

SHA1
6503a1851f4ccd8c80a31f96bd7ae40d962c9fad

SHA256
3d568a47a8944a47f4aed6982755ac7ff7dda469cc1c81c213ecaa5d89de1f83

SHA512
c98f4513db34d50510dd986e0d812545c442bd5bef26932032b165759627fab4e00c95fe907ab3416a8a1042bfa77aa516c479f1ff7d1ec2f21ae66df8f72551

Download Submit
memory/512-10-0x0000000074840000-0x0000000074DF1000-memory.dmp

Filesize
5.7MB

Download
memory/512-11-0x0000000074840000-0x0000000074DF1000-memory.dmp

Filesize
5.7MB

Download
memory/512-22-0x0000000074840000-0x0000000074DF1000-memory.dmp

Filesize
5.7MB

Download
memory/512-6-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/512-21-0x0000000074840000-0x0000000074DF1000-memory.dmp

Filesize
5.7MB

Download
memory/512-20-0x0000000074840000-0x0000000074DF1000-memory.dmp

Filesize
5.7MB

Download
memory/512-12-0x0000000074840000-0x0000000074DF1000-memory.dmp

Filesize
5.7MB

Download
memory/2428-3-0x0000000074840000-0x0000000074DF1000-memory.dmp

Filesize
5.7MB

Download
memory/2428-9-0x0000000074840000-0x0000000074DF1000-memory.dmp

Filesize
5.7MB

Download
memory/2428-2-0x0000000074840000-0x0000000074DF1000-memory.dmp

Filesize
5.7MB

Download
memory/2428-1-0x0000000074840000-0x0000000074DF1000-memory.dmp

Filesize
5.7MB

Download
memory/2428-0-0x0000000074842000-0x0000000074843000-memory.dmp

Filesize
4KB

Download
memory/2428-4-0x0000000074842000-0x0000000074843000-memory.dmp

Filesize
4KB

Download
memory/2428-5-0x0000000074840000-0x0000000074DF1000-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