nanocore | c4709dafa8824137e7b1278d3837d790a1a304fdf0340fd4a19922cb039442b1

General

Target

c4709dafa8824137e7b1278d3837d790a1a304fdf0340fd4a19922cb039442b1.exe
Size

1.1MB
MD5

8f1ac7dd3636e636bcb2b815d1db8a10
SHA1

782bf889e189a3e159ac39fda638f694b4fa3af5
SHA256

c4709dafa8824137e7b1278d3837d790a1a304fdf0340fd4a19922cb039442b1
SHA512

963a2a4bec016359b9645cc29c7ae5d244d02511c51b2b0b5e00533c292dd47c6ad6884fda829bf23d6dfab6d498cbdf381f053978bfd74543eefdd6eccebef8
SSDEEP

24576:5AOcZEh3G2mfLih+sliQIaB7UBgTWTq6ai0bagi7vzJIJ:z50fLi3izaBXiTq6d4a5vu

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

strongodss.ddns.net:48562

185.19.85.175:48562

Mutex

ba2baad0-dd3f-4844-a1e3-4d042f9ae8b6

Attributes

activate_away_mode
false
backup_connection_host
185.19.85.175
backup_dns_server
buffer_size
65538
build_time
2021-04-20T00:12:13.961451136Z
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
48562
default_group
HOBBIT
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
ba2baad0-dd3f-4844-a1e3-4d042f9ae8b6
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
strongodss.ddns.net
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
8009

Signatures

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

Executes dropped EXE 2 IoCs

pid	Process
2764	thppr.pif
2720	RegSvcs.exe

Loads dropped DLL 5 IoCs

pid	Process
1620	c4709dafa8824137e7b1278d3837d790a1a304fdf0340fd4a19922cb039442b1.exe
1620	c4709dafa8824137e7b1278d3837d790a1a304fdf0340fd4a19922cb039442b1.exe
1620	c4709dafa8824137e7b1278d3837d790a1a304fdf0340fd4a19922cb039442b1.exe
1620	c4709dafa8824137e7b1278d3837d790a1a304fdf0340fd4a19922cb039442b1.exe
2764	thppr.pif

Adds Run key to start application 2 TTPs 3 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\Chrome = "c:\\74090111\\thppr.pif c:\\74090111\\rkdqwob.wxv"	thppr.pif
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\AutoUpdate = "c:\\74090111\\Update.vbs"	thppr.pif
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ISS Host = "C:\\Program Files (x86)\\ISS Host\\isshost.exe"	RegSvcs.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	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2764 set thread context of 2720	2764	thppr.pif	31

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\ISS Host\isshost.exe	RegSvcs.exe
File opened for modification	C:\Program Files (x86)\ISS Host\isshost.exe	RegSvcs.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 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	thppr.pif
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
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	c4709dafa8824137e7b1278d3837d790a1a304fdf0340fd4a19922cb039442b1.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
2344	schtasks.exe
1732	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2720	RegSvcs.exe
2720	RegSvcs.exe
2720	RegSvcs.exe
2720	RegSvcs.exe
2720	RegSvcs.exe
2720	RegSvcs.exe
2720	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2720	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2720	RegSvcs.exe
Token: SeDebugPrivilege	2720	RegSvcs.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1620 wrote to memory of 2764	1620	c4709dafa8824137e7b1278d3837d790a1a304fdf0340fd4a19922cb039442b1.exe	30
PID 1620 wrote to memory of 2764	1620	c4709dafa8824137e7b1278d3837d790a1a304fdf0340fd4a19922cb039442b1.exe	30
PID 1620 wrote to memory of 2764	1620	c4709dafa8824137e7b1278d3837d790a1a304fdf0340fd4a19922cb039442b1.exe	30
PID 1620 wrote to memory of 2764	1620	c4709dafa8824137e7b1278d3837d790a1a304fdf0340fd4a19922cb039442b1.exe	30
PID 2764 wrote to memory of 2720	2764	thppr.pif	31
PID 2764 wrote to memory of 2720	2764	thppr.pif	31
PID 2764 wrote to memory of 2720	2764	thppr.pif	31
PID 2764 wrote to memory of 2720	2764	thppr.pif	31
PID 2764 wrote to memory of 2720	2764	thppr.pif	31
PID 2764 wrote to memory of 2720	2764	thppr.pif	31
PID 2764 wrote to memory of 2720	2764	thppr.pif	31
PID 2764 wrote to memory of 2720	2764	thppr.pif	31
PID 2764 wrote to memory of 2720	2764	thppr.pif	31
PID 2720 wrote to memory of 2344	2720	RegSvcs.exe	32
PID 2720 wrote to memory of 2344	2720	RegSvcs.exe	32
PID 2720 wrote to memory of 2344	2720	RegSvcs.exe	32
PID 2720 wrote to memory of 2344	2720	RegSvcs.exe	32
PID 2720 wrote to memory of 1732	2720	RegSvcs.exe	34
PID 2720 wrote to memory of 1732	2720	RegSvcs.exe	34
PID 2720 wrote to memory of 1732	2720	RegSvcs.exe	34
PID 2720 wrote to memory of 1732	2720	RegSvcs.exe	34

C:\Users\Admin\AppData\Local\Temp\c4709dafa8824137e7b1278d3837d790a1a304fdf0340fd4a19922cb039442b1.exe
"C:\Users\Admin\AppData\Local\Temp\c4709dafa8824137e7b1278d3837d790a1a304fdf0340fd4a19922cb039442b1.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1620
- C:\74090111\thppr.pif
  "C:\74090111\thppr.pif" rkdqwob.wxv
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2764
- - C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe"
    3⤵
    - Executes dropped EXE
    - 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:2720
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "ISS Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC929.tmp"
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:2344
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "ISS Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpCA23.tmp"
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:1732

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

2

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:\74090111\pwmnbo.lsq

Filesize
420KB

MD5
5ee06a78da266969f9d145887a65b197

SHA1
1643018ae5e8eab1388774888a5e90767414cbe6

SHA256
6dd9fe7e41f0c29bc1c553792f145024e40bae569c2c6de30c92477bba9f7510

SHA512
f5852a08868e50efea3c486ebc74eb9812701c2adbef593ceb1bed443808338322e285133787e9288956b1284f0f0e5cf326d5b43f5e4383978a6790b72d732b

Download Submit
C:\74090111\qvrdvmvj.xls

Filesize
53KB

MD5
bd9c9e98ff9f81662b5b46cd0dd57adf

SHA1
2f27c996a34fd3352700e687d4e96bbc4e6053ad

SHA256
7429e9d13fb1834fa73d9e5189055474592512212634fde8f942f0a18ef65cba

SHA512
128a43254452e9e99a80d6c623ea80c452939cb6fbdab0cce286d38398d333b83361723df25141f9c7b642a00fa304166f0ba98edd03d8293f211186d887303a

Download Submit
C:\74090111\thppr.pif

Filesize
758KB

MD5
279dae7236f5f2488a4bacde6027f730

SHA1
29a012e5259739f24480cedfd6d5f2d860cfcdb3

SHA256
415850f2706681a6d80708fca8ac18dcf97e58b8f3fdc7bc4b558ab15fc0a03f

SHA512
b81276fc4d915a9721dae15aa064781a1dba665ff4864ccbdf624e8049c1b3c12a2b374f11cffcf6e4a5217766836edbc5f2376ffa8765f9070cbd87d7ae2fe8

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC929.tmp

Filesize
1KB

MD5
95aceabc58acad5d73372b0966ee1b35

SHA1
2293b7ad4793cf574b1a5220e85f329b5601040a

SHA256
8d9642e1c3cd1e0b5d1763de2fb5e605ba593e5a918b93eec15acbc5dcc48fd4

SHA512
00760dfc9d8caf357f0cee5336e5448a4cca18e32cc63e1a69c16e34fe00ea29acd5b2cf278e86c6f9c3e66a1b176d27ed927361848212e6bf1fade7d3d06e74

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpCA23.tmp

Filesize
1KB

MD5
3d1580c0395f6de62659467f5b7f1acf

SHA1
8e73a3885896cecca7ff799a272fc9ddfe06ea96

SHA256
6f40196c42a171f24a3e16edeca664cdc5a2f7c150d468255b0e14ab10a2b714

SHA512
7637c0d9b03227dffcb00a68d97ddce60bfc40ca0f8a7a4bbd700ea56be6d570908511dea5cab9f609a7da2e558e5298c482fd1e330af085f9c52867d5a847ea

Download Submit
\Users\Admin\AppData\Local\Temp\RegSvcs.exe

Filesize
44KB

MD5
0e06054beb13192588e745ee63a84173

SHA1
30b7d4d1277bafd04a83779fd566a1f834a8d113

SHA256
c5d6d56ded55fbd6c150ee3a0eb2e5671cae83106be2be4d70ce50aa50bab768

SHA512
251a112f3f037e62ff67a467389e47a56afb344bc942b17efa9bd2970494718b26bbee9adc3ac35f93ee4d2114aa426b6d0ea4bafad294b6c118a15f1977c215

Download Submit
memory/2720-77-0x0000000000400000-0x0000000000A1E000-memory.dmp

Filesize
6.1MB

Download
memory/2720-80-0x0000000000400000-0x0000000000A1E000-memory.dmp

Filesize
6.1MB

Download
memory/2720-79-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2720-85-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2720-83-0x0000000000400000-0x0000000000A1E000-memory.dmp

Filesize
6.1MB

Download
memory/2720-82-0x0000000000400000-0x0000000000A1E000-memory.dmp

Filesize
6.1MB

Download
memory/2720-93-0x0000000000A90000-0x0000000000A9A000-memory.dmp

Filesize
40KB

Download
memory/2720-94-0x0000000000AE0000-0x0000000000AEC000-memory.dmp

Filesize
48KB

Download
memory/2720-95-0x0000000000AF0000-0x0000000000B0E000-memory.dmp

Filesize
120KB

Download
memory/2720-96-0x0000000000CC0000-0x0000000000CCA000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads