nanocore | 805f37de7ae8a675f8b31c7d878733f8e9b2ae1182b4301fcb3c06f324ce0eb8

General

Target
805f37de7ae8a675f8b31c7d878733f8e9b2ae1182b4301fcb3c06f324ce0eb8.exe
Size 410KB
Sample221127-wstyasgf52
SHA256 805f37de7ae8a675f8b31c7d878733f8e9b2ae1182b4301fcb3c06f324ce0eb8
MD5 1babdf5d7145b8a5eb849cffe3a944bc
SHA1 f21fac1f1fdb2ac11f380f2bd3dc4f332e45298e
SHA512 a887daa59d09dce2bb22968f8d0602ae3e1ca1afbaf60efc4eb31d698e47fd5f021538d554371f02768343ab65fbdcaab0c691ca22b4742535a8d9217713b4f1
SSDEEP 6144:rs8Y3k7RUw50qgUugHJw4iGelYfH7orxt5skttsv:HFZ50qgUuORiGeYboN77t
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.1.1

C2

xkr0wnx.no-ip.biz:9033
xkr0wnx.no-ip.org:9033

Mutex

83fa16c9-c8f8-4ff4-b2aa-8e769063d4e5

Attributes

activate_away_mode
false
backup_connection_host
xkr0wnx.no-ip.org
backup_dns_server
buffer_size
65535
build_time
2014-10-05T06:06:01.761793536Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
9033
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
83fa16c9-c8f8-4ff4-b2aa-8e769063d4e5
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
xkr0wnx.no-ip.biz
primary_dns_server
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
1.2.1.1
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

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DSL Manager = "C:\\Program Files (x86)\\DSL Manager\\dslmgr.exe"	805f37de7ae8a675f8b31c7d878733f8e9b2ae1182b4301fcb3c06f324ce0eb8.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	805f37de7ae8a675f8b31c7d878733f8e9b2ae1182b4301fcb3c06f324ce0eb8.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3680 set thread context of 3480	3680	805f37de7ae8a675f8b31c7d878733f8e9b2ae1182b4301fcb3c06f324ce0eb8.exe	84

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\DSL Manager\dslmgr.exe	805f37de7ae8a675f8b31c7d878733f8e9b2ae1182b4301fcb3c06f324ce0eb8.exe
File created	C:\Program Files (x86)\DSL Manager\dslmgr.exe	805f37de7ae8a675f8b31c7d878733f8e9b2ae1182b4301fcb3c06f324ce0eb8.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3480	805f37de7ae8a675f8b31c7d878733f8e9b2ae1182b4301fcb3c06f324ce0eb8.exe
3480	805f37de7ae8a675f8b31c7d878733f8e9b2ae1182b4301fcb3c06f324ce0eb8.exe
3480	805f37de7ae8a675f8b31c7d878733f8e9b2ae1182b4301fcb3c06f324ce0eb8.exe
3480	805f37de7ae8a675f8b31c7d878733f8e9b2ae1182b4301fcb3c06f324ce0eb8.exe
3480	805f37de7ae8a675f8b31c7d878733f8e9b2ae1182b4301fcb3c06f324ce0eb8.exe
3480	805f37de7ae8a675f8b31c7d878733f8e9b2ae1182b4301fcb3c06f324ce0eb8.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3480	805f37de7ae8a675f8b31c7d878733f8e9b2ae1182b4301fcb3c06f324ce0eb8.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3680	805f37de7ae8a675f8b31c7d878733f8e9b2ae1182b4301fcb3c06f324ce0eb8.exe
Token: SeDebugPrivilege	3480	805f37de7ae8a675f8b31c7d878733f8e9b2ae1182b4301fcb3c06f324ce0eb8.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3680 wrote to memory of 3480	3680	805f37de7ae8a675f8b31c7d878733f8e9b2ae1182b4301fcb3c06f324ce0eb8.exe	84
PID 3680 wrote to memory of 3480	3680	805f37de7ae8a675f8b31c7d878733f8e9b2ae1182b4301fcb3c06f324ce0eb8.exe	84
PID 3680 wrote to memory of 3480	3680	805f37de7ae8a675f8b31c7d878733f8e9b2ae1182b4301fcb3c06f324ce0eb8.exe	84
PID 3680 wrote to memory of 3480	3680	805f37de7ae8a675f8b31c7d878733f8e9b2ae1182b4301fcb3c06f324ce0eb8.exe	84
PID 3680 wrote to memory of 3480	3680	805f37de7ae8a675f8b31c7d878733f8e9b2ae1182b4301fcb3c06f324ce0eb8.exe	84
PID 3680 wrote to memory of 3480	3680	805f37de7ae8a675f8b31c7d878733f8e9b2ae1182b4301fcb3c06f324ce0eb8.exe	84
PID 3680 wrote to memory of 3480	3680	805f37de7ae8a675f8b31c7d878733f8e9b2ae1182b4301fcb3c06f324ce0eb8.exe	84
PID 3680 wrote to memory of 3480	3680	805f37de7ae8a675f8b31c7d878733f8e9b2ae1182b4301fcb3c06f324ce0eb8.exe	84

C:\Users\Admin\AppData\Local\Temp\805f37de7ae8a675f8b31c7d878733f8e9b2ae1182b4301fcb3c06f324ce0eb8.exe
"C:\Users\Admin\AppData\Local\Temp\805f37de7ae8a675f8b31c7d878733f8e9b2ae1182b4301fcb3c06f324ce0eb8.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3680
- C:\Users\Admin\AppData\Local\Temp\805f37de7ae8a675f8b31c7d878733f8e9b2ae1182b4301fcb3c06f324ce0eb8.exe
  "C:\Users\Admin\AppData\Local\Temp\805f37de7ae8a675f8b31c7d878733f8e9b2ae1182b4301fcb3c06f324ce0eb8.exe"
  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
  PID:3480

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

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

805f37de7ae8a675f8b31c7d878733f8e9b2ae1182b4301fcb3c06f324ce0eb8.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\805f37de7ae8a675f8b31c7d878733f8e9b2ae1182b4301fcb3c06f324ce0eb8.exe.log
Size 224B
SHA256 677e9e30350df17e2bc20fa9f7d730e9f7cc6e870d6520a345f5f7dc5b31f58a
MD5 c19eb8c8e7a40e6b987f9d2ee952996e
SHA1 6fc3049855bc9100643e162511673c6df0f28bfb
SHA512 860713b4a787c2189ed12a47d4b68b60ac00c7a253cae52dd4eb9276dacafeae3a81906b6d0742c8ecfdfaa255777c445beb7c2a532f3c677a9903237ac97596
MD5 SHA1 SHA512

Submit Download

memory/3480-135-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/3480-137-0x0000000074A60000-0x0000000075011000-memory.dmp

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memory/3480-139-0x0000000074A60000-0x0000000075011000-memory.dmp

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memory/3680-132-0x0000000074A60000-0x0000000075011000-memory.dmp

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memory/3680-133-0x0000000074A60000-0x0000000075011000-memory.dmp

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memory/3680-138-0x0000000074A60000-0x0000000075011000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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