nanocore | e777a395f2d28d4b57113b46bb4af52ec1e6d1d48342d0fb24a142df1fffbdc7

Analysis

max time kernel
142s
max time network
149s
platform
windows10_x64
resource
win10v200430
submitted
24/06/2020, 13:14

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General

Target
Scan file.exe
Size 1.1MB
Sample200624-lppbfepzr6
SHA256 e777a395f2d28d4b57113b46bb4af52ec1e6d1d48342d0fb24a142df1fffbdc7
MD5 cea2e93488d7595b7e8d56a8ea3c955b
SHA1 a0c0acb0f7137088f73452167f01d01170a892e0
SHA512 95362a25b22f4b56c3991543051e143e58c52da141e90c368fe5d132612a8eee17ecb0b0ad38274e2a2ca9a9bb9706e373f8afc8fd530388b23b240b1a8aba3a
MD5 SHA1 SHA512

Score

10^/10

persistence keylogger trojan stealer spyware nanocore evasion

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

innocentbooii.hopto.org:55420
185.244.30.33:55420

Mutex

6e2b14a3-13ff-4b67-bea9-ff77b365fb80

Attributes

activate_away_mode
false
backup_connection_host
185.244.30.33
backup_dns_server
buffer_size
65535
build_time
2020-03-19T08:23:28.083062436Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
false
clear_zone_identifier
false
connect_delay
4000
connection_port
55420
default_group
Jboi$$$$
enable_debug_mode
true
gc_threshold
1.0485772e+07
keep_alive_timeout
30000
keyboard_logging
false
lan_timeout
2500
max_packet_size
1.0485772e+07
mutex
6e2b14a3-13ff-4b67-bea9-ff77b365fb80
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
innocentbooii.hopto.org
primary_dns_server
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
false
set_critical_process
false
timeout_interval
5000
use_custom_dns_server
false
version
1.2.2.0
wan_timeout
8003

Signatures

Suspicious use of WriteProcessMemory 35 IoCs

description	pid	Process	procid_target
PID 2040 wrote to memory of 2104	2040	Scan file.exe	68
PID 2040 wrote to memory of 2104	2040	Scan file.exe	68
PID 2040 wrote to memory of 2104	2040	Scan file.exe	68
PID 2104 wrote to memory of 3880	2104	bqvemxlq.pif	73
PID 2104 wrote to memory of 3880	2104	bqvemxlq.pif	73
PID 2104 wrote to memory of 3880	2104	bqvemxlq.pif	73
PID 2104 wrote to memory of 3980	2104	bqvemxlq.pif	75
PID 2104 wrote to memory of 3980	2104	bqvemxlq.pif	75
PID 2104 wrote to memory of 3980	2104	bqvemxlq.pif	75
PID 2104 wrote to memory of 3284	2104	bqvemxlq.pif	76
PID 2104 wrote to memory of 3284	2104	bqvemxlq.pif	76
PID 2104 wrote to memory of 3284	2104	bqvemxlq.pif	76
PID 2104 wrote to memory of 1680	2104	bqvemxlq.pif	77
PID 2104 wrote to memory of 1680	2104	bqvemxlq.pif	77
PID 2104 wrote to memory of 1680	2104	bqvemxlq.pif	77
PID 2104 wrote to memory of 3216	2104	bqvemxlq.pif	78
PID 2104 wrote to memory of 3216	2104	bqvemxlq.pif	78
PID 2104 wrote to memory of 3216	2104	bqvemxlq.pif	78
PID 2104 wrote to memory of 568	2104	bqvemxlq.pif	79
PID 2104 wrote to memory of 568	2104	bqvemxlq.pif	79
PID 2104 wrote to memory of 568	2104	bqvemxlq.pif	79
PID 2104 wrote to memory of 344	2104	bqvemxlq.pif	80
PID 2104 wrote to memory of 344	2104	bqvemxlq.pif	80
PID 2104 wrote to memory of 344	2104	bqvemxlq.pif	80
PID 2104 wrote to memory of 1052	2104	bqvemxlq.pif	81
PID 2104 wrote to memory of 1052	2104	bqvemxlq.pif	81
PID 2104 wrote to memory of 1052	2104	bqvemxlq.pif	81
PID 2104 wrote to memory of 1052	2104	bqvemxlq.pif	81
PID 2104 wrote to memory of 1052	2104	bqvemxlq.pif	81
PID 1052 wrote to memory of 864	1052	RegSvcs.exe	82
PID 1052 wrote to memory of 864	1052	RegSvcs.exe	82
PID 1052 wrote to memory of 864	1052	RegSvcs.exe	82
PID 1052 wrote to memory of 4020	1052	RegSvcs.exe	84
PID 1052 wrote to memory of 4020	1052	RegSvcs.exe	84
PID 1052 wrote to memory of 4020	1052	RegSvcs.exe	84

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1052	RegSvcs.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

pid	Process
864	schtasks.exe
4020	schtasks.exe

Disables Task Manager via registry modification
evasion

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	RegSvcs.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\SCSI Manager\scsimgr.exe	RegSvcs.exe
File opened for modification	C:\Program Files (x86)\SCSI Manager\scsimgr.exe	RegSvcs.exe

Executes dropped EXE 1 IoCs

pid	Process
2104	bqvemxlq.pif

Suspicious behavior: EnumeratesProcesses 21 IoCs

pid	Process
2104	bqvemxlq.pif
2104	bqvemxlq.pif
2104	bqvemxlq.pif
2104	bqvemxlq.pif
2104	bqvemxlq.pif
2104	bqvemxlq.pif
2104	bqvemxlq.pif
2104	bqvemxlq.pif
2104	bqvemxlq.pif
2104	bqvemxlq.pif
2104	bqvemxlq.pif
2104	bqvemxlq.pif
2104	bqvemxlq.pif
2104	bqvemxlq.pif
1052	RegSvcs.exe
1052	RegSvcs.exe
1052	RegSvcs.exe
1052	RegSvcs.exe
1052	RegSvcs.exe
1052	RegSvcs.exe
1052	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2104 set thread context of 1052	2104	bqvemxlq.pif	81

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1052	RegSvcs.exe
Token: SeDebugPrivilege	1052	RegSvcs.exe

Adds Run entry to start application 2 TTPs 3 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\SCSI Manager = "C:\\Program Files (x86)\\SCSI Manager\\scsimgr.exe"	RegSvcs.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	bqvemxlq.pif
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WindowsUpdate = "c:\\45320500\\bqvemxlq.pif c:\\45320500\\OASDFS~1.XMN"	bqvemxlq.pif

NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore

C:\Users\Admin\AppData\Local\Temp\Scan file.exe
"C:\Users\Admin\AppData\Local\Temp\Scan file.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2040
- C:\45320500\bqvemxlq.pif
  "C:\45320500\bqvemxlq.pif" oasdfsajnh.xmn
  2⤵
  - Suspicious use of WriteProcessMemory
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetThreadContext
  - Adds Run entry to start application
  PID:2104
- - C:\Windows\SysWOW64\mshta.exe
    "C:\Windows\SysWOW64\mshta.exe"
    3⤵
    PID:3880
- - C:\Windows\SysWOW64\mshta.exe
    "C:\Windows\SysWOW64\mshta.exe"
    3⤵
    PID:3980
- - C:\Windows\SysWOW64\mshta.exe
    "C:\Windows\SysWOW64\mshta.exe"
    3⤵
    PID:3284
- - C:\Windows\SysWOW64\mshta.exe
    "C:\Windows\SysWOW64\mshta.exe"
    3⤵
    PID:1680
- - C:\Windows\SysWOW64\mshta.exe
    "C:\Windows\SysWOW64\mshta.exe"
    3⤵
    PID:3216
- - C:\Windows\SysWOW64\mshta.exe
    "C:\Windows\SysWOW64\mshta.exe"
    3⤵
    PID:568
- - C:\Windows\SysWOW64\mshta.exe
    "C:\Windows\SysWOW64\mshta.exe"
    3⤵
    PID:344
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    - Suspicious behavior: GetForegroundWindowSpam
    - Checks whether UAC is enabled
    - Drops file in Program Files directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Adds Run entry to start application
    PID:1052
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "SCSI Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmpCBF1.tmp"
      4⤵
      Creates scheduled task(s)
      PID:864
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "SCSI Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpCE53.tmp"
      4⤵
      Creates scheduled task(s)
      PID:4020

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1052-14-0x0000000000570000-0x0000000000B6C000-memory.dmp

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