nanocore | 1e3539b9de51134004ff4bff43ab144e748a329265decf8421442cef3109210d

General

Target

Contact00212399490.exe
Size

1.2MB
MD5

a6bd3de048002bee7a8d973c887227d8
SHA1

90cf93d93b141654a62ff3a3b6810faef2ff3d69
SHA256

1e3539b9de51134004ff4bff43ab144e748a329265decf8421442cef3109210d
SHA512

6b84954f6dbe9c7d5a7580c2d917414a7875494508a3d17b4f092d270fecbe695e10f6eb27de52aac807d06a432e3902dc9a9671c7bc2b170b46afba1b6f30c6

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

hncbeyghfsbvcuabgsbncvzgaioiuyegdbhabbbw.ydns.eu:2017

Mutex

238a496b-ffb2-448a-bc1f-f27aa51697ac

Attributes

activate_away_mode
true
backup_connection_host
hncbeyghfsbvcuabgsbncvzgaioiuyegdbhabbbw.ydns.eu
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-05-01T15:35:35.227430336Z
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
2017
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
238a496b-ffb2-448a-bc1f-f27aa51697ac
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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Contact00212399490.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ISS Manager = "C:\\Program Files (x86)\\ISS Manager\\issmgr.exe"	Contact00212399490.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

Contact00212399490.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA Contact00212399490.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

Contact00212399490.exe

description pid process target process

PID 3424 set thread context of 3820 3424 Contact00212399490.exe Contact00212399490.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Contact00212399490.exe

description	pid	process	target process
PID 3424 set thread context of 3820	3424	Contact00212399490.exe	Contact00212399490.exe

Drops file in Program Files directory 2 IoCs

Processes:

Contact00212399490.exe

description	ioc	process
File created	C:\Program Files (x86)\ISS Manager\issmgr.exe	Contact00212399490.exe
File opened for modification	C:\Program Files (x86)\ISS Manager\issmgr.exe	Contact00212399490.exe

Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exe

pid process

936 schtasks.exe
3564 schtasks.exe

pid	process
936	schtasks.exe
3564	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

Contact00212399490.exeContact00212399490.exe

pid	process
3424	Contact00212399490.exe
3424	Contact00212399490.exe
3424	Contact00212399490.exe
3424	Contact00212399490.exe
3820	Contact00212399490.exe
3820	Contact00212399490.exe
3820	Contact00212399490.exe
3820	Contact00212399490.exe
3820	Contact00212399490.exe
3820	Contact00212399490.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Contact00212399490.exe

pid process

3820 Contact00212399490.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Contact00212399490.exeContact00212399490.exe

description pid process

Token: SeDebugPrivilege 3424 Contact00212399490.exe
Token: SeDebugPrivilege 3820 Contact00212399490.exe

pid	process
3820	Contact00212399490.exe

description	pid	process
Token: SeDebugPrivilege	3424	Contact00212399490.exe
Token: SeDebugPrivilege	3820	Contact00212399490.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

Contact00212399490.exeContact00212399490.exe

description	pid	process	target process
PID 3424 wrote to memory of 324	3424	Contact00212399490.exe	Contact00212399490.exe
PID 3424 wrote to memory of 324	3424	Contact00212399490.exe	Contact00212399490.exe
PID 3424 wrote to memory of 324	3424	Contact00212399490.exe	Contact00212399490.exe
PID 3424 wrote to memory of 660	3424	Contact00212399490.exe	Contact00212399490.exe
PID 3424 wrote to memory of 660	3424	Contact00212399490.exe	Contact00212399490.exe
PID 3424 wrote to memory of 660	3424	Contact00212399490.exe	Contact00212399490.exe
PID 3424 wrote to memory of 3820	3424	Contact00212399490.exe	Contact00212399490.exe
PID 3424 wrote to memory of 3820	3424	Contact00212399490.exe	Contact00212399490.exe
PID 3424 wrote to memory of 3820	3424	Contact00212399490.exe	Contact00212399490.exe
PID 3424 wrote to memory of 3820	3424	Contact00212399490.exe	Contact00212399490.exe
PID 3424 wrote to memory of 3820	3424	Contact00212399490.exe	Contact00212399490.exe
PID 3424 wrote to memory of 3820	3424	Contact00212399490.exe	Contact00212399490.exe
PID 3424 wrote to memory of 3820	3424	Contact00212399490.exe	Contact00212399490.exe
PID 3424 wrote to memory of 3820	3424	Contact00212399490.exe	Contact00212399490.exe
PID 3820 wrote to memory of 936	3820	Contact00212399490.exe	schtasks.exe
PID 3820 wrote to memory of 936	3820	Contact00212399490.exe	schtasks.exe
PID 3820 wrote to memory of 936	3820	Contact00212399490.exe	schtasks.exe
PID 3820 wrote to memory of 3564	3820	Contact00212399490.exe	schtasks.exe
PID 3820 wrote to memory of 3564	3820	Contact00212399490.exe	schtasks.exe
PID 3820 wrote to memory of 3564	3820	Contact00212399490.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\Contact00212399490.exe
"C:\Users\Admin\AppData\Local\Temp\Contact00212399490.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3424
- C:\Users\Admin\AppData\Local\Temp\Contact00212399490.exe
  "{path}"
  2⤵
  PID:324
- C:\Users\Admin\AppData\Local\Temp\Contact00212399490.exe
  "{path}"
  2⤵
  PID:660
- C:\Users\Admin\AppData\Local\Temp\Contact00212399490.exe
  "{path}"
  2⤵
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3820
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "ISS Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmpAC14.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:936
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "ISS Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpACB2.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:3564

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\Contact00212399490.exe.log

MD5
ef140ef600b2463c9e7dbf064a104046

SHA1
c08fd1853877be95575ea2e860dd8cafef31f54c

SHA256
ad8ae97fdeb174b20f02c7ddf9466981856d77d51133599b5954f48f78a1b616

SHA512
bf16df0994080bdc832cb39a312e0095de57608256fcf0d04d589e0bdf3283f918fb0d6ec86ea28a4b1af6db12813c52a724028f02330ebc3a9d32a4fcda706c

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpAC14.tmp

MD5
ebeb8ed1ee83347982221fe1fdedb735

SHA1
a67c62bb6efb43ce93f41952448c92920b5d91dd

SHA256
e71437814b04100346bedec461de661c9b3f4219e827c5d350f07f325c5e37ee

SHA512
9baf4c6a893d8e182f1c90049b6459c5db94d7d1aaa0023b2a14e8d74dacfc642cc11a988384f4cf028d828c47a5c71a8b2e3dcddd0e9196f7a31cf05e7df9f1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpACB2.tmp

MD5
ea7095fa975a5ac043c9de2899ce61d0

SHA1
ba4e21d0728fb1b4b87006c2e8ceb6109c9046a3

SHA256
5a1ba7b1b91e0bb7aedcfa82dc687972abb31f72ae1613ac586938ef0843f30f

SHA512
b52c8f1b58f263a3d1ad1ef9939167853a5f55033d9ad8976130174c7118407711a0703266c7d2d542bc2ca8119f875e35cc791b9dd70ef83b5310ac1e7cd1cb

Download Submit
memory/936-118-0x0000000000000000-mapping.dmp

Download
memory/3424-114-0x0000000002500000-0x0000000002501000-memory.dmp

Filesize
4KB

Download
memory/3564-120-0x0000000000000000-mapping.dmp

Download
memory/3820-116-0x000000000041E792-mapping.dmp

Download
memory/3820-115-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3820-122-0x0000000002950000-0x0000000002951000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads