nanocore | 54bf1a46ebdcca78b7dd2ef7a497aacf0cb6ed2745d64b296e98859f11c80154

General

Target

54bf1a46ebdcca78b7dd2ef7a497aacf0cb6ed2745d64b296e98859f11c80154N.exe
Size

210KB
MD5

18323bd9db3060c3ec9230d324c3b2c0
SHA1

7589b3a69d0e0e5ed00189b023933824c60cdf3c
SHA256

54bf1a46ebdcca78b7dd2ef7a497aacf0cb6ed2745d64b296e98859f11c80154
SHA512

9dc90a029531b76df44192d0788973266a3a38aae93f8a7f12b0d7dc6383d3496bef6b8f08d45cb51316c3457e880dd2d30a216675025cb13459f6362298e8fc
SSDEEP

3072:yzEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HISv2X6ecnziHRCWuzu/gBuFAUG:yLV6Bta6dtJmakIM572GnWaQgyhMd

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

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\PCI Manager = "C:\\Program Files\\PCI Manager\\pcimgr.exe"	54bf1a46ebdcca78b7dd2ef7a497aacf0cb6ed2745d64b296e98859f11c80154N.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	54bf1a46ebdcca78b7dd2ef7a497aacf0cb6ed2745d64b296e98859f11c80154N.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\PCI Manager\pcimgr.exe	54bf1a46ebdcca78b7dd2ef7a497aacf0cb6ed2745d64b296e98859f11c80154N.exe
File opened for modification	C:\Program Files\PCI Manager\pcimgr.exe	54bf1a46ebdcca78b7dd2ef7a497aacf0cb6ed2745d64b296e98859f11c80154N.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
2160	schtasks.exe
1932	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1312	54bf1a46ebdcca78b7dd2ef7a497aacf0cb6ed2745d64b296e98859f11c80154N.exe
1312	54bf1a46ebdcca78b7dd2ef7a497aacf0cb6ed2745d64b296e98859f11c80154N.exe
1312	54bf1a46ebdcca78b7dd2ef7a497aacf0cb6ed2745d64b296e98859f11c80154N.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1312	54bf1a46ebdcca78b7dd2ef7a497aacf0cb6ed2745d64b296e98859f11c80154N.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1312	54bf1a46ebdcca78b7dd2ef7a497aacf0cb6ed2745d64b296e98859f11c80154N.exe
Token: SeDebugPrivilege	1312	54bf1a46ebdcca78b7dd2ef7a497aacf0cb6ed2745d64b296e98859f11c80154N.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1312 wrote to memory of 2160	1312	54bf1a46ebdcca78b7dd2ef7a497aacf0cb6ed2745d64b296e98859f11c80154N.exe	30
PID 1312 wrote to memory of 2160	1312	54bf1a46ebdcca78b7dd2ef7a497aacf0cb6ed2745d64b296e98859f11c80154N.exe	30
PID 1312 wrote to memory of 2160	1312	54bf1a46ebdcca78b7dd2ef7a497aacf0cb6ed2745d64b296e98859f11c80154N.exe	30
PID 1312 wrote to memory of 1932	1312	54bf1a46ebdcca78b7dd2ef7a497aacf0cb6ed2745d64b296e98859f11c80154N.exe	32
PID 1312 wrote to memory of 1932	1312	54bf1a46ebdcca78b7dd2ef7a497aacf0cb6ed2745d64b296e98859f11c80154N.exe	32
PID 1312 wrote to memory of 1932	1312	54bf1a46ebdcca78b7dd2ef7a497aacf0cb6ed2745d64b296e98859f11c80154N.exe	32

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\54bf1a46ebdcca78b7dd2ef7a497aacf0cb6ed2745d64b296e98859f11c80154N.exe
"C:\Users\Admin\AppData\Local\Temp\54bf1a46ebdcca78b7dd2ef7a497aacf0cb6ed2745d64b296e98859f11c80154N.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:1312
- C:\Windows\system32\schtasks.exe
  "schtasks.exe" /create /f /tn "PCI Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC39D.tmp"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2160
- C:\Windows\system32\schtasks.exe
  "schtasks.exe" /create /f /tn "PCI Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC505.tmp"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:1932

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

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpC39D.tmp

Filesize
1KB

MD5
78b7deea88b4d507bf724df7785d21df

SHA1
4f9441ad9ff2f13b5da89498e9bb47b18a09b98c

SHA256
1595b43755bdbcefb7aeb79cf16b426fa98d3021dc986a501603dad3156f5c7d

SHA512
707ac62117261c411cdfc21c7fc7c8d3f2fa2e20a2dfd9008e18830229f6745fb41c86416b29fdfcb5dac7214a19e9e5926e215c940142020c19ac08ae146654

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC505.tmp

Filesize
1KB

MD5
f7fc5cfe3d4801d5fb389238c3400380

SHA1
41751c30225709a60ba8f8049c6e2405d9d6717d

SHA256
79a01572b6494f8dc6cd81f182d1566d57b6eaf8592f4e07f1a7eb8eaf89d883

SHA512
86fdef1ccb273b2680c8f9645be7fd532cfc1441b2299f72d785d038a228129b0bdca6ddb83e9fd25945f65832fca1668c9f510705fca418e0fdb2d1ed6fc9b0

Download Submit
memory/1312-13-0x000007FEF5140000-0x000007FEF5ADD000-memory.dmp

Filesize
9.6MB

Download
memory/1312-16-0x000007FEF5140000-0x000007FEF5ADD000-memory.dmp

Filesize
9.6MB

Download
memory/1312-1-0x000007FEF5140000-0x000007FEF5ADD000-memory.dmp

Filesize
9.6MB

Download
memory/1312-10-0x0000000000C90000-0x0000000000C9A000-memory.dmp

Filesize
40KB

Download
memory/1312-12-0x0000000000D10000-0x0000000000D2E000-memory.dmp

Filesize
120KB

Download
memory/1312-11-0x00000000003F0000-0x00000000003FC000-memory.dmp

Filesize
48KB

Download
memory/1312-0-0x000007FEF53FE000-0x000007FEF53FF000-memory.dmp

Filesize
4KB

Download
memory/1312-14-0x0000000000C80000-0x0000000000C8A000-memory.dmp

Filesize
40KB

Download
memory/1312-15-0x000007FEF5140000-0x000007FEF5ADD000-memory.dmp

Filesize
9.6MB

Download
memory/1312-2-0x000007FEF5140000-0x000007FEF5ADD000-memory.dmp

Filesize
9.6MB

Download
memory/1312-17-0x000007FEF5140000-0x000007FEF5ADD000-memory.dmp

Filesize
9.6MB

Download
memory/1312-18-0x000007FEF53FE000-0x000007FEF53FF000-memory.dmp

Filesize
4KB

Download
memory/1312-19-0x000007FEF5140000-0x000007FEF5ADD000-memory.dmp

Filesize
9.6MB

Download
memory/1312-20-0x000007FEF5140000-0x000007FEF5ADD000-memory.dmp

Filesize
9.6MB

Download
memory/1312-21-0x000007FEF5140000-0x000007FEF5ADD000-memory.dmp

Filesize
9.6MB

Download
memory/1312-22-0x000007FEF5140000-0x000007FEF5ADD000-memory.dmp

Filesize
9.6MB

Download
memory/1312-23-0x000007FEF5140000-0x000007FEF5ADD000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads