nanocore | 0de8868e36be26ea5bfaf1d14a804b76df7d9d14c331b8a0e4d6430865caa990

General

Target

wanmgr.exe
Size

203KB
MD5

4dd8430613eba38c4d93afd3b62b4a3e
SHA1

11e037987f8a4fcb64fceb9fc30f2b407cc6cde4
SHA256

0de8868e36be26ea5bfaf1d14a804b76df7d9d14c331b8a0e4d6430865caa990
SHA512

e656fc437e116c8557f6c3e39137917011adcb890f4159c99c35bd8d742518489c9a1ac12bb08cdd3fb1e227201a59f0b7834ee31c5eb5a5c3b90685fadebe3b
SSDEEP

6144:ULV6Bta6dtJmakIM5tDDmCYF+O1mX99OnMZ:ULV6BtpmkaHbSYX99OnMZ

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

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\WPA Subsystem = "C:\\Program Files (x86)\\WPA Subsystem\\wpass.exe"	wanmgr.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	wanmgr.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\WPA Subsystem\wpass.exe	wanmgr.exe
File opened for modification	C:\Program Files (x86)\WPA Subsystem\wpass.exe	wanmgr.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	wanmgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
972	schtasks.exe
4468	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4160	wanmgr.exe
4160	wanmgr.exe
4160	wanmgr.exe
4160	wanmgr.exe
4160	wanmgr.exe
4160	wanmgr.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4160	wanmgr.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4160	wanmgr.exe
Token: SeDebugPrivilege	4160	wanmgr.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4160 wrote to memory of 972	4160	wanmgr.exe	81
PID 4160 wrote to memory of 972	4160	wanmgr.exe	81
PID 4160 wrote to memory of 972	4160	wanmgr.exe	81
PID 4160 wrote to memory of 4468	4160	wanmgr.exe	83
PID 4160 wrote to memory of 4468	4160	wanmgr.exe	83
PID 4160 wrote to memory of 4468	4160	wanmgr.exe	83

C:\Users\Admin\AppData\Local\Temp\wanmgr.exe
"C:\Users\Admin\AppData\Local\Temp\wanmgr.exe"
1⤵
- 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:4160
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "WPA Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmpA4BC.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:972
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "WPA Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpA52A.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4468

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

1

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:\Users\Admin\AppData\Local\Temp\tmpA4BC.tmp

Filesize
1KB

MD5
50b2005cc4cdc3744138147510bb3572

SHA1
749b01a1f880bac693c38c5a87b1757515c6cbbb

SHA256
e4e8e478fa0fafe5e6333d0f1c1d73e5eef6aec216be9942c627e25cde8c6576

SHA512
4699fa8293b8eced17dff72eefc9a933249efdc96cf7240af8d92f6003783ca5e86df23f521ec9e75957235561886c628eb372ce95b5a223f2615d57bc1d3667

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA52A.tmp

Filesize
1KB

MD5
4365cd1ae65923a319ef2683a45891fe

SHA1
85dde233112660e31c53884aedfbad52e4547e09

SHA256
84b6ce4ba26fa6fb57fa70b9ad191f7c42c71e259897955b5d514385bcd91b58

SHA512
d1bd24f504c5c2ecaa3ae98268ccc2e400ea3e16980c6caf394eadf7738225e4d5578fbe62bbe2de3fe0cb56a0d76bb3fc84cef3b9cd2f3d8be6d0becefdc035

Download Submit
memory/4160-0-0x0000000074B82000-0x0000000074B83000-memory.dmp

Filesize
4KB

Download
memory/4160-1-0x0000000074B80000-0x0000000075131000-memory.dmp

Filesize
5.7MB

Download
memory/4160-2-0x0000000074B80000-0x0000000075131000-memory.dmp

Filesize
5.7MB

Download
memory/4160-10-0x0000000074B80000-0x0000000075131000-memory.dmp

Filesize
5.7MB

Download
memory/4160-11-0x0000000074B82000-0x0000000074B83000-memory.dmp

Filesize
4KB

Download
memory/4160-12-0x0000000074B80000-0x0000000075131000-memory.dmp

Filesize
5.7MB

Download
memory/4160-13-0x0000000074B80000-0x0000000075131000-memory.dmp

Filesize
5.7MB

Download
memory/4160-14-0x0000000074B80000-0x0000000075131000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads