nanocore | 5ab642cc797d8ad4df98b94cd6345a7a6398b11759c5dc10471fcacaa4d97469

General

Target

5ab642cc797d8ad4df98b94cd6345a7a6398b11759c5dc10471fcacaa4d97469.exe
Size

336KB
MD5

8580b4b852ac18927a687380054dd3d0
SHA1

51360ec7b34ddd71922867945df8995075d71760
SHA256

5ab642cc797d8ad4df98b94cd6345a7a6398b11759c5dc10471fcacaa4d97469
SHA512

75eaa9d6d510698ef9eec7e4108168185a96d9a276db0a7cf0c932843370f3141ac10cba4c6d9295ed8b13a3f3793847165db9ab29711491fd7d3372445cf572
SSDEEP

6144:6geDH2XOIDQg+3XjfgBqhiHAyQKWat7Y0kxBn8yVmEAmg+D:6HH2X9D2TI3Hp3WaNYDxBn8yMEAmDD

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
Nanocore family
nanocore

Executes dropped EXE 1 IoCs

pid	Process
2584	pcs.exe

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\DSL Manager = "C:\\Program Files (x86)\\DSL Manager\\dslmgr.exe"	pcs.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	pcs.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\DSL Manager\dslmgr.exe	pcs.exe
File opened for modification	C:\Program Files (x86)\DSL Manager\dslmgr.exe	pcs.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 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	pcs.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
2812	schtasks.exe
2896	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2584	pcs.exe
2584	pcs.exe
2584	pcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2584	pcs.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2584	pcs.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2032 wrote to memory of 2584	2032	5ab642cc797d8ad4df98b94cd6345a7a6398b11759c5dc10471fcacaa4d97469.exe	30
PID 2032 wrote to memory of 2584	2032	5ab642cc797d8ad4df98b94cd6345a7a6398b11759c5dc10471fcacaa4d97469.exe	30
PID 2032 wrote to memory of 2584	2032	5ab642cc797d8ad4df98b94cd6345a7a6398b11759c5dc10471fcacaa4d97469.exe	30
PID 2032 wrote to memory of 2584	2032	5ab642cc797d8ad4df98b94cd6345a7a6398b11759c5dc10471fcacaa4d97469.exe	30
PID 2584 wrote to memory of 2812	2584	pcs.exe	32
PID 2584 wrote to memory of 2812	2584	pcs.exe	32
PID 2584 wrote to memory of 2812	2584	pcs.exe	32
PID 2584 wrote to memory of 2812	2584	pcs.exe	32
PID 2584 wrote to memory of 2896	2584	pcs.exe	34
PID 2584 wrote to memory of 2896	2584	pcs.exe	34
PID 2584 wrote to memory of 2896	2584	pcs.exe	34
PID 2584 wrote to memory of 2896	2584	pcs.exe	34

C:\Users\Admin\AppData\Local\Temp\5ab642cc797d8ad4df98b94cd6345a7a6398b11759c5dc10471fcacaa4d97469.exe
"C:\Users\Admin\AppData\Local\Temp\5ab642cc797d8ad4df98b94cd6345a7a6398b11759c5dc10471fcacaa4d97469.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2032
- C:\Users\Admin\AppData\Local\Temp\pcs.exe
  "C:\Users\Admin\AppData\Local\Temp\pcs.exe"
  2⤵
  - 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:2584
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "DSL Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmpCDAB.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2812
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "DSL Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpCEB5.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2896

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:\Users\Admin\AppData\Local\Temp\pcs.exe

Filesize
203KB

MD5
6b5ec06af51f8cb10768153b673c86a0

SHA1
b6c3c3413e41521f559297cc09a21642d8c00bb6

SHA256
880302c0ea0680ccba86fc4116bd5b1a92f1203e9275bdb61f6cfdb81d94cb89

SHA512
003cdc2715c0c28da01ebb483261f84b290ca4060236a79829d00c09c8fa44529d990e68e580b563459a7be18644c7aacfbf2610d576f6abaf917cf0cc51e4ca

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

Filesize
1KB

MD5
83f0f3cfbfc1fa83933cbe85cbedb6e8

SHA1
eaa6a1f85061f09fb3799ef86c720c386ddbaf57

SHA256
6171edd222adbf188364934fb1f84e0fb418a9d6e89074f66fe345ddbd8f865f

SHA512
bcc1f2db901e072b0190c16619e290cd17c2f8c5ff8670cac21ad16b5a7bf1b38ad1eef39abe9452a5e5409260b3fad29a91df7ba4f03947730e624ab2dab480

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpCEB5.tmp

Filesize
1KB

MD5
a0bcaf1694d4fcae2c44258530850f35

SHA1
99e9ccea3a9dca8d94808f6488fdc37c0b3bfe73

SHA256
099c4a82d8e8ddf5ff801a8f08fb5a143834506e936ce846b380a42eb24e888e

SHA512
ad3f2fbc09f7d57c24a35a62f00251c93d480e065f3b7fbc7133736cb144a3031fdc9f3e8be8a1c6dcdb8b3def654618faab416f66a28628ab71e55de4df0da3

Download Submit
memory/2032-0-0x000007FEF5923000-0x000007FEF5924000-memory.dmp

Filesize
4KB

Download
memory/2032-1-0x000000013FE00000-0x000000013FE58000-memory.dmp

Filesize
352KB

Download
memory/2032-2-0x00000000005D0000-0x0000000000600000-memory.dmp

Filesize
192KB

Download
memory/2032-11-0x000007FEF5920000-0x000007FEF630C000-memory.dmp

Filesize
9.9MB

Download
memory/2584-12-0x00000000747D1000-0x00000000747D2000-memory.dmp

Filesize
4KB

Download
memory/2584-13-0x00000000747D0000-0x0000000074D7B000-memory.dmp

Filesize
5.7MB

Download
memory/2584-14-0x00000000747D0000-0x0000000074D7B000-memory.dmp

Filesize
5.7MB

Download
memory/2584-22-0x00000000747D0000-0x0000000074D7B000-memory.dmp

Filesize
5.7MB

Download
memory/2584-23-0x00000000747D0000-0x0000000074D7B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads