nanocore | 3ddf341bb96d5cb94da122b59b38d655ebd8deac277fcaa9244246f7e131ab04

General

Target

4757e3957a66009dda083e0ceb0c1605.exe
Size

553KB
MD5

4757e3957a66009dda083e0ceb0c1605
SHA1

b8e7b487341726fbe5e777df720284eca6fb85ef
SHA256

3ddf341bb96d5cb94da122b59b38d655ebd8deac277fcaa9244246f7e131ab04
SHA512

5d1963fe5f1a5714c9bf1128e2317fb4059cd47ac6c1408b0a7571a3a6a59a19d77ae6ee85756f8f2eccba8551843361cc7d5e95f20a239ec7ba963746c9bdd4
SSDEEP

12288:iLV6Btpmk3HAwY7zzcjKxHASNeE28yg4vqTYfd2o:AApfwXIGASP3x4vyo

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\DNS Manager = "C:\\Program Files (x86)\\DNS Manager\\dnsmgr.exe"	4757e3957a66009dda083e0ceb0c1605.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	4757e3957a66009dda083e0ceb0c1605.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\DNS Manager\dnsmgr.exe	4757e3957a66009dda083e0ceb0c1605.exe
File created	C:\Program Files (x86)\DNS Manager\dnsmgr.exe	4757e3957a66009dda083e0ceb0c1605.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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4757e3957a66009dda083e0ceb0c1605.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
2288	schtasks.exe
1220	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1684	4757e3957a66009dda083e0ceb0c1605.exe
1684	4757e3957a66009dda083e0ceb0c1605.exe
1684	4757e3957a66009dda083e0ceb0c1605.exe
1684	4757e3957a66009dda083e0ceb0c1605.exe
1684	4757e3957a66009dda083e0ceb0c1605.exe
1684	4757e3957a66009dda083e0ceb0c1605.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1684	4757e3957a66009dda083e0ceb0c1605.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1684	4757e3957a66009dda083e0ceb0c1605.exe
Token: SeDebugPrivilege	1684	4757e3957a66009dda083e0ceb0c1605.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1684 wrote to memory of 1220	1684	4757e3957a66009dda083e0ceb0c1605.exe	87
PID 1684 wrote to memory of 1220	1684	4757e3957a66009dda083e0ceb0c1605.exe	87
PID 1684 wrote to memory of 1220	1684	4757e3957a66009dda083e0ceb0c1605.exe	87
PID 1684 wrote to memory of 2288	1684	4757e3957a66009dda083e0ceb0c1605.exe	89
PID 1684 wrote to memory of 2288	1684	4757e3957a66009dda083e0ceb0c1605.exe	89
PID 1684 wrote to memory of 2288	1684	4757e3957a66009dda083e0ceb0c1605.exe	89

C:\Users\Admin\AppData\Local\Temp\4757e3957a66009dda083e0ceb0c1605.exe
"C:\Users\Admin\AppData\Local\Temp\4757e3957a66009dda083e0ceb0c1605.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:1684
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "DNS Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmpB5A4.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1220
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "DNS Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpB603.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2288

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\tmpB5A4.tmp

Filesize
1KB

MD5
5487b0ec590048fa2d343961a4731a0c

SHA1
03779100b6d8828be9932fbba643dbc39a5d165c

SHA256
3402d18bfda2f148f7d51d0f5dcac36c5404d56010eda00e68c4983211918d77

SHA512
74e5725aef72fad4ecc26fee18dfa824d6df66ea8de8304d37d027c8ddc9952ef4de8500ee3bb5b55268bdd0863ebbcca239fede9532809c5a4739f8578fa103

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpB603.tmp

Filesize
1KB

MD5
bf0287a4e4ec6b543e5f2c020d4f88b2

SHA1
da151b3e3f382ec107053e487b08035616db2694

SHA256
ef704c92466ea7f43c33880380c3fbc8bee8d8ce7a041abefb23fd610baff13c

SHA512
94c9b8f53120a0024031996a91ee54de0a791e49e45a9e2c6e56c51a363b3b3cac206f19b84861a21054bcd3ee8031ab684596502a126fea47352474a4ecd8be

Download Submit
memory/1684-0-0x00000000752F2000-0x00000000752F3000-memory.dmp

Filesize
4KB

Download
memory/1684-1-0x00000000752F0000-0x00000000758A1000-memory.dmp

Filesize
5.7MB

Download
memory/1684-2-0x00000000752F0000-0x00000000758A1000-memory.dmp

Filesize
5.7MB

Download
memory/1684-10-0x00000000752F0000-0x00000000758A1000-memory.dmp

Filesize
5.7MB

Download
memory/1684-13-0x00000000752F2000-0x00000000752F3000-memory.dmp

Filesize
4KB

Download
memory/1684-14-0x00000000752F0000-0x00000000758A1000-memory.dmp

Filesize
5.7MB

Download
memory/1684-15-0x00000000752F0000-0x00000000758A1000-memory.dmp

Filesize
5.7MB

Download
memory/1684-16-0x00000000752F0000-0x00000000758A1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads