nanocore | dd6f0b9730529cfe145d5585eccfb6c68510758d16ffd02043bd1fe73842ee1b

Resubmissions

07-11-2024 16:29

241107-tzeqvawbpe 10

07-11-2024 06:54

241107-hpd6sazqap 10

Analysis

max time kernel
143s
max time network
147s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
07-11-2024 06:54

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General

Target

304f9bc7de67c32d895d2a005283ae4b7a63e390915463ca0a9aa404a9e29e1b.exe
Size

203KB
MD5

76b5931a8eab2e7e98023a43c489bbbf
SHA1

033e6f5547c62a8650f449fc5b0034424f9b5f85
SHA256

304f9bc7de67c32d895d2a005283ae4b7a63e390915463ca0a9aa404a9e29e1b
SHA512

533f26e6379f35bf8aae578461b538ae891d9c00386476dab2235fc965655b35f0ca5433cd5c9c5c106b66369ef37c9e76c091e9635aad9dc2ca57af033344b1
SSDEEP

3072:szEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HIGXzDtCihaFue8Y1WRFj7KV7i:sLV6Bta6dtJmakIM5/NC5x8Y167Y7i

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

Unexpected DNS network traffic destination 12 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

description	ioc
Destination IP	84.200.70.40
Destination IP	84.200.69.80
Destination IP	84.200.69.80
Destination IP	84.200.70.40
Destination IP	84.200.69.80
Destination IP	84.200.70.40
Destination IP	84.200.69.80
Destination IP	84.200.69.80
Destination IP	84.200.69.80
Destination IP	84.200.70.40
Destination IP	84.200.70.40
Destination IP	84.200.70.40

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"	304f9bc7de67c32d895d2a005283ae4b7a63e390915463ca0a9aa404a9e29e1b.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	304f9bc7de67c32d895d2a005283ae4b7a63e390915463ca0a9aa404a9e29e1b.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\DSL Manager\dslmgr.exe	304f9bc7de67c32d895d2a005283ae4b7a63e390915463ca0a9aa404a9e29e1b.exe
File opened for modification	C:\Program Files (x86)\DSL Manager\dslmgr.exe	304f9bc7de67c32d895d2a005283ae4b7a63e390915463ca0a9aa404a9e29e1b.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	304f9bc7de67c32d895d2a005283ae4b7a63e390915463ca0a9aa404a9e29e1b.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
1288	schtasks.exe
2176	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2484	304f9bc7de67c32d895d2a005283ae4b7a63e390915463ca0a9aa404a9e29e1b.exe
2484	304f9bc7de67c32d895d2a005283ae4b7a63e390915463ca0a9aa404a9e29e1b.exe
2484	304f9bc7de67c32d895d2a005283ae4b7a63e390915463ca0a9aa404a9e29e1b.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2484	304f9bc7de67c32d895d2a005283ae4b7a63e390915463ca0a9aa404a9e29e1b.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2484	304f9bc7de67c32d895d2a005283ae4b7a63e390915463ca0a9aa404a9e29e1b.exe
Token: SeDebugPrivilege	2484	304f9bc7de67c32d895d2a005283ae4b7a63e390915463ca0a9aa404a9e29e1b.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2484 wrote to memory of 1288	2484	304f9bc7de67c32d895d2a005283ae4b7a63e390915463ca0a9aa404a9e29e1b.exe	30
PID 2484 wrote to memory of 1288	2484	304f9bc7de67c32d895d2a005283ae4b7a63e390915463ca0a9aa404a9e29e1b.exe	30
PID 2484 wrote to memory of 1288	2484	304f9bc7de67c32d895d2a005283ae4b7a63e390915463ca0a9aa404a9e29e1b.exe	30
PID 2484 wrote to memory of 1288	2484	304f9bc7de67c32d895d2a005283ae4b7a63e390915463ca0a9aa404a9e29e1b.exe	30
PID 2484 wrote to memory of 2176	2484	304f9bc7de67c32d895d2a005283ae4b7a63e390915463ca0a9aa404a9e29e1b.exe	32
PID 2484 wrote to memory of 2176	2484	304f9bc7de67c32d895d2a005283ae4b7a63e390915463ca0a9aa404a9e29e1b.exe	32
PID 2484 wrote to memory of 2176	2484	304f9bc7de67c32d895d2a005283ae4b7a63e390915463ca0a9aa404a9e29e1b.exe	32
PID 2484 wrote to memory of 2176	2484	304f9bc7de67c32d895d2a005283ae4b7a63e390915463ca0a9aa404a9e29e1b.exe	32

C:\Users\Admin\AppData\Local\Temp\304f9bc7de67c32d895d2a005283ae4b7a63e390915463ca0a9aa404a9e29e1b.exe
"C:\Users\Admin\AppData\Local\Temp\304f9bc7de67c32d895d2a005283ae4b7a63e390915463ca0a9aa404a9e29e1b.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:2484
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "DSL Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmp9241.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1288
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "DSL Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp92FD.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2176

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp9241.tmp

Filesize
1KB

MD5
f8d94348e9e0b4a67b3be7e5c3e4924f

SHA1
b70034fe263152e267998fbed76c06a7e0daf83e

SHA256
8049a27b744d605b123011957117d752424135d35e8e3340d2b9b05164fb73f8

SHA512
78e9c58bab031123f54057d0bbd9c7dccf8da6e84bd9e32d6b4b0ecbd7737899a4f7a6f27999e38cdfc17b8c26c2ffad2dfde73b72cd38893ceddf7aad287b88

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp92FD.tmp

Filesize
1KB

MD5
a0bcaf1694d4fcae2c44258530850f35

SHA1
99e9ccea3a9dca8d94808f6488fdc37c0b3bfe73

SHA256
099c4a82d8e8ddf5ff801a8f08fb5a143834506e936ce846b380a42eb24e888e

SHA512
ad3f2fbc09f7d57c24a35a62f00251c93d480e065f3b7fbc7133736cb144a3031fdc9f3e8be8a1c6dcdb8b3def654618faab416f66a28628ab71e55de4df0da3

Download Submit
memory/2484-0-0x0000000074951000-0x0000000074952000-memory.dmp

Filesize
4KB

Download
memory/2484-1-0x0000000074950000-0x0000000074EFB000-memory.dmp

Filesize
5.7MB

Download
memory/2484-2-0x0000000074950000-0x0000000074EFB000-memory.dmp

Filesize
5.7MB

Download
memory/2484-10-0x0000000074950000-0x0000000074EFB000-memory.dmp

Filesize
5.7MB

Download