nanocore | 7ce70d99d892cb1dc3edeefd389c5a03a12d4aba6f0f9dff58bea59709c14802

General

Target

7ce70d99d892cb1dc3edeefd389c5a03a12d4aba6f0f9dff58bea59709c14802N.exe
Size

798KB
MD5

1454a37dd468a9be07ce8fa633a28e30
SHA1

9e2645b6dcf33136c22600dce082a78b285b9627
SHA256

7ce70d99d892cb1dc3edeefd389c5a03a12d4aba6f0f9dff58bea59709c14802
SHA512

9fd58f84fa6c53f7d3ca8a853535024151031984fe402ba62aaa2cad87cda44cedacb26302988b0cdad258c0d216a7a3d65e469f3fa188b1e71ad9f0475d5581
SSDEEP

24576:xuDXTIGaPhEYzUzA0/0v5xkGMURGxIQyAto1/r:kDjlabwz9yC5PRoJ

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

Executes dropped EXE 2 IoCs

Processes:

TrialVersion.sfx.exeTrialVersion.exe

pid	Process
2804	TrialVersion.sfx.exe
2784	TrialVersion.exe

Loads dropped DLL 1 IoCs

Processes:

cmd.exe

pid	Process
2740	cmd.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

TrialVersion.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\PCI Service = "C:\\Program Files (x86)\\PCI Service\\pcisv.exe"	TrialVersion.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

TrialVersion.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	TrialVersion.exe

Drops file in Program Files directory 2 IoCs

Processes:

TrialVersion.exe

description	ioc	Process
File created	C:\Program Files (x86)\PCI Service\pcisv.exe	TrialVersion.exe
File opened for modification	C:\Program Files (x86)\PCI Service\pcisv.exe	TrialVersion.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

Processes:

TrialVersion.exeschtasks.exeschtasks.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TrialVersion.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

Processes:

schtasks.exeschtasks.exe

pid	Process
2892	schtasks.exe
3024	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

TrialVersion.exe

pid	Process
2784	TrialVersion.exe
2784	TrialVersion.exe
2784	TrialVersion.exe
2784	TrialVersion.exe
2784	TrialVersion.exe
2784	TrialVersion.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

TrialVersion.exe

pid	Process
2784	TrialVersion.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

TrialVersion.exe

description	pid	Process
Token: SeDebugPrivilege	2784	TrialVersion.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

7ce70d99d892cb1dc3edeefd389c5a03a12d4aba6f0f9dff58bea59709c14802N.execmd.exeTrialVersion.sfx.exeTrialVersion.exe

description	pid	Process	procid_target
PID 2264 wrote to memory of 2740	2264	7ce70d99d892cb1dc3edeefd389c5a03a12d4aba6f0f9dff58bea59709c14802N.exe	30
PID 2264 wrote to memory of 2740	2264	7ce70d99d892cb1dc3edeefd389c5a03a12d4aba6f0f9dff58bea59709c14802N.exe	30
PID 2264 wrote to memory of 2740	2264	7ce70d99d892cb1dc3edeefd389c5a03a12d4aba6f0f9dff58bea59709c14802N.exe	30
PID 2740 wrote to memory of 2804	2740	cmd.exe	32
PID 2740 wrote to memory of 2804	2740	cmd.exe	32
PID 2740 wrote to memory of 2804	2740	cmd.exe	32
PID 2804 wrote to memory of 2784	2804	TrialVersion.sfx.exe	33
PID 2804 wrote to memory of 2784	2804	TrialVersion.sfx.exe	33
PID 2804 wrote to memory of 2784	2804	TrialVersion.sfx.exe	33
PID 2804 wrote to memory of 2784	2804	TrialVersion.sfx.exe	33
PID 2784 wrote to memory of 2892	2784	TrialVersion.exe	34
PID 2784 wrote to memory of 2892	2784	TrialVersion.exe	34
PID 2784 wrote to memory of 2892	2784	TrialVersion.exe	34
PID 2784 wrote to memory of 2892	2784	TrialVersion.exe	34
PID 2784 wrote to memory of 3024	2784	TrialVersion.exe	36
PID 2784 wrote to memory of 3024	2784	TrialVersion.exe	36
PID 2784 wrote to memory of 3024	2784	TrialVersion.exe	36
PID 2784 wrote to memory of 3024	2784	TrialVersion.exe	36

C:\Users\Admin\AppData\Local\Temp\7ce70d99d892cb1dc3edeefd389c5a03a12d4aba6f0f9dff58bea59709c14802N.exe
"C:\Users\Admin\AppData\Local\Temp\7ce70d99d892cb1dc3edeefd389c5a03a12d4aba6f0f9dff58bea59709c14802N.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2264
- C:\Windows\system32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\RarSFX0\fud.bat" "
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2740
- - C:\Users\Admin\AppData\Local\Temp\RarSFX0\TrialVersion.sfx.exe
    TrialVersion.sfx.exe -p123 -dC:\Users\Admin\AppData\Local\Temp
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:2804
  - - C:\Users\Admin\AppData\Local\Temp\RarSFX1\TrialVersion.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX1\TrialVersion.exe"
      4⤵
      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:2784
    - - C:\Windows\SysWOW64\schtasks.exe
        
        "schtasks.exe" /create /f /tn "PCI Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1F92.tmp"
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:2892
    - - C:\Windows\SysWOW64\schtasks.exe
        
        "schtasks.exe" /create /f /tn "PCI Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp201F.tmp"
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:3024

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\RarSFX0\fud.bat

Filesize
35B

MD5
27bee04ecccc26ef9a3f7aef888ae69a

SHA1
0ba85f5947bb12150f07d2173a0febbfbbd12101

SHA256
b2a69e69060bfacfa901eb6541ea6f30ab9b501822a71e19789a1f85fd79136a

SHA512
5718eeea3e4820d4d7426fac0081c2767f21ca2cdccae57cf8194825601c792b558accefeeb6b547f96d09e6a41fd157d381b9e209fad45a083bcf30f6fd0175

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX1\TrialVersion.exe

Filesize
203KB

MD5
1216377149a106322851e020bfdd86d8

SHA1
9a7dc05fb2a02699e6c0d943d01d8f2f6ad24086

SHA256
a59eace0bdad4afba6f591924762b708442993a49267ac30380c48308cab6de7

SHA512
8a1638b766c25dd0f6d85247cc82aa3d521ba119aae67f14ab02f693c3d71e50dec772e4f9f1a5aeb43f3ea3c6e31913d7d04ada3cfb4c6469bc68dcb7d026fa

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1F92.tmp

Filesize
1KB

MD5
5779f7c3134d7418349e603bf2282deb

SHA1
24ce473589d237c2f71e58705bd462d30f5cd7d8

SHA256
e9e45fd9d6b5ec511bc237863068cb0f5eb4df8fb531d2564bffab99a7b6c45a

SHA512
1977b2a756b007b2b89f02345d0db96cc7354630137daf76d68aaae66498edec2d47dfcb9a9183532f1586fecd771a32e12f124a557903b6980b93196aea637d

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp201F.tmp

Filesize
1KB

MD5
bbb0d424bb7cb3b0e6aeb68cf82b8f5f

SHA1
7e95dcd21a27ee53e5c23ed5a163df56a43d572a

SHA256
08d6bee474edf0151a0d8ff942ba9e6a1efe069585c63477abd1c7bd8046e130

SHA512
0dc790a415f9717f6e7633c1d5f2749a2eca5582c5bbe114119c3ddba6d4e4d0df48029622e2fe07f94d8ae97c334b88691b7721da50ada261449769ae31d466

Download Submit
\Users\Admin\AppData\Local\Temp\RarSFX0\TrialVersion.sfx.exe

Filesize
591KB

MD5
f72ac18b99643fa4e9cd76a98ee2e0b1

SHA1
ff3c116fefdcd6fb5395bd22b2a976496f74a6e8

SHA256
d67fd03b982b7959a1865c460fdc6a0291ff8e01b92cc3690c83339de6211308

SHA512
a094fc96d69e1db316b310f99076a3121d62505ea9096796829beeae7469b518a8658854e8533c1f326678b54f17b520ad9ea8d5750c35c4af2009383b8271b9

Download Submit
memory/2784-35-0x0000000074B31000-0x0000000074B32000-memory.dmp

Filesize
4KB

Download
memory/2784-36-0x0000000074B30000-0x00000000750DB000-memory.dmp

Filesize
5.7MB

Download
memory/2784-37-0x0000000074B30000-0x00000000750DB000-memory.dmp

Filesize
5.7MB

Download
memory/2784-45-0x0000000074B30000-0x00000000750DB000-memory.dmp

Filesize
5.7MB

Download
memory/2784-46-0x0000000074B30000-0x00000000750DB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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