nanocore | 7dc1613ec3822d75a3c21649a34152dc7fcabaa96d203173003105d29373175f

General

Target

7DC1613EC3822D75A3C21649A34152DC7FCABAA96D203.exe
Size

387KB
MD5

e1c8948ea356bec111a2bf64915a7b66
SHA1

f112d95e89ec456bedb91212b2b4d89cfb581a91
SHA256

7dc1613ec3822d75a3c21649a34152dc7fcabaa96d203173003105d29373175f
SHA512

78838844b046f82247e0ab3f1e2342b3b13ca2c58c71f44878ec7bebcc93bc3abc4ddb7e84c68df285a2920b275f0ca8bac16923e9be0531209fc4558964d540
SSDEEP

6144:DLV6Bta6dtJmakIM5jNFcD3wdG+RTTCzG21FpYE:DLV6BtpmkWcD3mRTOvFf

Score

10^/10

nanocore 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

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\UDP Service = "C:\\Program Files (x86)\\UDP Service\\udpsv.exe"	7DC1613EC3822D75A3C21649A34152DC7FCABAA96D203.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	7DC1613EC3822D75A3C21649A34152DC7FCABAA96D203.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\UDP Service\udpsv.exe	7DC1613EC3822D75A3C21649A34152DC7FCABAA96D203.exe
File created	C:\Program Files (x86)\UDP Service\udpsv.exe	7DC1613EC3822D75A3C21649A34152DC7FCABAA96D203.exe

Creates scheduled task(s) 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
1500	schtasks.exe
1520	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1720	7DC1613EC3822D75A3C21649A34152DC7FCABAA96D203.exe
1720	7DC1613EC3822D75A3C21649A34152DC7FCABAA96D203.exe
1720	7DC1613EC3822D75A3C21649A34152DC7FCABAA96D203.exe
1720	7DC1613EC3822D75A3C21649A34152DC7FCABAA96D203.exe
1720	7DC1613EC3822D75A3C21649A34152DC7FCABAA96D203.exe
1720	7DC1613EC3822D75A3C21649A34152DC7FCABAA96D203.exe
1720	7DC1613EC3822D75A3C21649A34152DC7FCABAA96D203.exe
1720	7DC1613EC3822D75A3C21649A34152DC7FCABAA96D203.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1720	7DC1613EC3822D75A3C21649A34152DC7FCABAA96D203.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1720	7DC1613EC3822D75A3C21649A34152DC7FCABAA96D203.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1720 wrote to memory of 1520	1720	7DC1613EC3822D75A3C21649A34152DC7FCABAA96D203.exe	27
PID 1720 wrote to memory of 1520	1720	7DC1613EC3822D75A3C21649A34152DC7FCABAA96D203.exe	27
PID 1720 wrote to memory of 1520	1720	7DC1613EC3822D75A3C21649A34152DC7FCABAA96D203.exe	27
PID 1720 wrote to memory of 1520	1720	7DC1613EC3822D75A3C21649A34152DC7FCABAA96D203.exe	27
PID 1720 wrote to memory of 1500	1720	7DC1613EC3822D75A3C21649A34152DC7FCABAA96D203.exe	29
PID 1720 wrote to memory of 1500	1720	7DC1613EC3822D75A3C21649A34152DC7FCABAA96D203.exe	29
PID 1720 wrote to memory of 1500	1720	7DC1613EC3822D75A3C21649A34152DC7FCABAA96D203.exe	29
PID 1720 wrote to memory of 1500	1720	7DC1613EC3822D75A3C21649A34152DC7FCABAA96D203.exe	29

C:\Users\Admin\AppData\Local\Temp\7DC1613EC3822D75A3C21649A34152DC7FCABAA96D203.exe
"C:\Users\Admin\AppData\Local\Temp\7DC1613EC3822D75A3C21649A34152DC7FCABAA96D203.exe"
1⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1720
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "UDP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp540A.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1520
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "UDP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp5BC8.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1500

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp540A.tmp

Filesize
1KB

MD5
702a884a50d99acf6e6a65d9c4a8f254

SHA1
2543aa2919ba5e3598281efe848b6b6dbc9f0766

SHA256
28b008d4c8ec5930d4283f92d752927479b7d4b5e65b2a436bb1bd26961afb7a

SHA512
a4b393e7e3e7af3a7fa5804c564da4ab7d97ffdbf9aef1c09ae9aa7b66c0f58a4d0dc9393292aee42476299b6ef0ad8a47ade45cd832c4a06f7028a28cfe428a

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp5BC8.tmp

Filesize
1KB

MD5
0a24db62cb5b84309c4803346caaa25d

SHA1
67660778f61bb44168c33ed3fe56ed86cf9583e8

SHA256
38d38647af394a04ee6add9f05c43244f04e64a6b96257f4b241a5038efa82df

SHA512
d25d9df063f44595d5e0bf890755bd387655131ff369eeedf3d11ffcc6202ca4455bbb33a8a926dd06839cbd1ddec3d06809b3c66a82c6518aa14beaa469a548

Download Submit
memory/1720-54-0x0000000075BD1000-0x0000000075BD3000-memory.dmp

Filesize
8KB

Download
memory/1720-55-0x00000000744F0000-0x0000000074A9B000-memory.dmp

Filesize
5.7MB

Download
memory/1720-60-0x00000000744F0000-0x0000000074A9B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads