nanocore | d83f045f37fee400914070cf4572a2d17cf739f0d46a747b1813afafbeae9add

General

Target

cb03dde105377fdbe68db2f8a2d8bc42.exe
Size

703KB
MD5

cb03dde105377fdbe68db2f8a2d8bc42
SHA1

029e7f2aa409149bc0c3afa0727c8b8ccf581469
SHA256

d83f045f37fee400914070cf4572a2d17cf739f0d46a747b1813afafbeae9add
SHA512

cdd04765039d6de4f57761a00b005fc610963629e38c5f7aba635e07660bbcf23d3cb2dac2ba6d72f1efc989221cea37b095fedbf459ce62100959e431c71ee5
SSDEEP

12288:vMxxqSwzVBJ7MOuHCHOYS8NxZ2OHTdMRG2VGuqbsbCr78DqEH4:0xDyJ7MOjY8zZ2ATdMR7VGZ+4

Score

10^/10

nanocore keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

1116.hopto.org:1116

185.140.53.9:1116

Mutex

909dcd33-e0d7-4bd0-87b2-b7fd2611b6b9

Attributes

activate_away_mode
true
backup_connection_host
185.140.53.9
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-02-16T08:43:19.524585136Z
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
1116
default_group
1116
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
909dcd33-e0d7-4bd0-87b2-b7fd2611b6b9
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
1116.hopto.org
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

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\TCP Subsystem = "C:\\Program Files (x86)\\TCP Subsystem\\tcpss.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2768 set thread context of 2608	2768	cb03dde105377fdbe68db2f8a2d8bc42.exe	30

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\TCP Subsystem\tcpss.exe	RegSvcs.exe
File opened for modification	C:\Program Files (x86)\TCP Subsystem\tcpss.exe	RegSvcs.exe

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 3 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
2704	schtasks.exe
2440	schtasks.exe
1252	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2768	cb03dde105377fdbe68db2f8a2d8bc42.exe
2608	RegSvcs.exe
2608	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2608	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2768	cb03dde105377fdbe68db2f8a2d8bc42.exe
Token: SeDebugPrivilege	2608	RegSvcs.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2768 wrote to memory of 2704	2768	cb03dde105377fdbe68db2f8a2d8bc42.exe	28
PID 2768 wrote to memory of 2704	2768	cb03dde105377fdbe68db2f8a2d8bc42.exe	28
PID 2768 wrote to memory of 2704	2768	cb03dde105377fdbe68db2f8a2d8bc42.exe	28
PID 2768 wrote to memory of 2704	2768	cb03dde105377fdbe68db2f8a2d8bc42.exe	28
PID 2768 wrote to memory of 2608	2768	cb03dde105377fdbe68db2f8a2d8bc42.exe	30
PID 2768 wrote to memory of 2608	2768	cb03dde105377fdbe68db2f8a2d8bc42.exe	30
PID 2768 wrote to memory of 2608	2768	cb03dde105377fdbe68db2f8a2d8bc42.exe	30
PID 2768 wrote to memory of 2608	2768	cb03dde105377fdbe68db2f8a2d8bc42.exe	30
PID 2768 wrote to memory of 2608	2768	cb03dde105377fdbe68db2f8a2d8bc42.exe	30
PID 2768 wrote to memory of 2608	2768	cb03dde105377fdbe68db2f8a2d8bc42.exe	30
PID 2768 wrote to memory of 2608	2768	cb03dde105377fdbe68db2f8a2d8bc42.exe	30
PID 2768 wrote to memory of 2608	2768	cb03dde105377fdbe68db2f8a2d8bc42.exe	30
PID 2768 wrote to memory of 2608	2768	cb03dde105377fdbe68db2f8a2d8bc42.exe	30
PID 2768 wrote to memory of 2608	2768	cb03dde105377fdbe68db2f8a2d8bc42.exe	30
PID 2768 wrote to memory of 2608	2768	cb03dde105377fdbe68db2f8a2d8bc42.exe	30
PID 2768 wrote to memory of 2608	2768	cb03dde105377fdbe68db2f8a2d8bc42.exe	30
PID 2608 wrote to memory of 2440	2608	RegSvcs.exe	31
PID 2608 wrote to memory of 2440	2608	RegSvcs.exe	31
PID 2608 wrote to memory of 2440	2608	RegSvcs.exe	31
PID 2608 wrote to memory of 2440	2608	RegSvcs.exe	31
PID 2608 wrote to memory of 1252	2608	RegSvcs.exe	33
PID 2608 wrote to memory of 1252	2608	RegSvcs.exe	33
PID 2608 wrote to memory of 1252	2608	RegSvcs.exe	33
PID 2608 wrote to memory of 1252	2608	RegSvcs.exe	33

C:\Users\Admin\AppData\Local\Temp\cb03dde105377fdbe68db2f8a2d8bc42.exe
"C:\Users\Admin\AppData\Local\Temp\cb03dde105377fdbe68db2f8a2d8bc42.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2768
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WswHPQS" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB654.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2704
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  - Adds Run key to start application
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2608
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "TCP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmpB847.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:2440
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "TCP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpB8E4.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:1252

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpB654.tmp

Filesize
1KB

MD5
da7ceb016865de8c8ba350672d1c5419

SHA1
f37ae369eee05d3291bb3355f682f5089dd2707f

SHA256
e9ceaa47d8120965f5c5e78ac6b16c49247b186b2c8ed0eff3ce053683895846

SHA512
fef7079bd96bd8d7f2e3f4d44c107f988ca37a7b557f2d8fe895488989ffba15b2322fd33bb1a0bd01d6713b6013e47ef984099f85f04727945923287cb51923

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpB847.tmp

Filesize
1KB

MD5
8cad1b41587ced0f1e74396794f31d58

SHA1
11054bf74fcf5e8e412768035e4dae43aa7b710f

SHA256
3086d914f6b23268f8a12cb1a05516cd5465c2577e1d1e449f1b45c8e5e8f83c

SHA512
99c2ef89029de51a866df932841684b7fc912df21e10e2dd0d09e400203bbdc6cba6319a31780b7bf8b286d2cea8ea3fc7d084348bf2f002ab4f5a34218ccbef

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpB8E4.tmp

Filesize
1KB

MD5
4b7ef560289c0f62d0baf6f14f48a57a

SHA1
8331acb90dde588aa3196919f6e847f398fd06d1

SHA256
062844155306130d6fafc4fe10ac9e5ddd2ed462532b729c50cdc979c0d83207

SHA512
ecaa27c4b703d95f9f9b37d8c339982970482e7dab968c2010e0aa644bbfa31973111aafb827565af30c423d1d14e4ff997ec149614e713ff7ef3456894d02d8

Download Submit
memory/2608-26-0x0000000074880000-0x0000000074F6E000-memory.dmp

Filesize
6.9MB

Download
memory/2608-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2608-40-0x0000000004CA0000-0x0000000004CE0000-memory.dmp

Filesize
256KB

Download
memory/2608-39-0x0000000074880000-0x0000000074F6E000-memory.dmp

Filesize
6.9MB

Download
memory/2608-38-0x00000000009C0000-0x00000000009CA000-memory.dmp

Filesize
40KB

Download
memory/2608-37-0x00000000009E0000-0x00000000009FE000-memory.dmp

Filesize
120KB

Download
memory/2608-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2608-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2608-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2608-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2608-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2608-36-0x00000000009B0000-0x00000000009BA000-memory.dmp

Filesize
40KB

Download
memory/2608-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2608-25-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2608-30-0x0000000004CA0000-0x0000000004CE0000-memory.dmp

Filesize
256KB

Download
memory/2768-0-0x0000000000CB0000-0x0000000000D66000-memory.dmp

Filesize
728KB

Download
memory/2768-27-0x0000000074880000-0x0000000074F6E000-memory.dmp

Filesize
6.9MB

Download
memory/2768-2-0x0000000007360000-0x00000000073A0000-memory.dmp

Filesize
256KB

Download
memory/2768-1-0x0000000074880000-0x0000000074F6E000-memory.dmp

Filesize
6.9MB

Download
memory/2768-4-0x0000000074880000-0x0000000074F6E000-memory.dmp

Filesize
6.9MB

Download
memory/2768-3-0x0000000000320000-0x0000000000328000-memory.dmp

Filesize
32KB

Download
memory/2768-7-0x0000000000C70000-0x0000000000CAA000-memory.dmp

Filesize
232KB

Download
memory/2768-6-0x00000000052C0000-0x000000000534C000-memory.dmp

Filesize
560KB

Download
memory/2768-5-0x0000000007360000-0x00000000073A0000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads