nanocore | ba6a99c5074a58183983e70930028ae4ad4b8dff0f08be38e4aaaec16340732f

Resubmissions

20/02/2024, 04:15

240220-et9ayaag3z 10

20/02/2024, 03:40

240220-d8jhdsba52 10

Analysis

max time kernel
145s
max time network
148s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
20/02/2024, 03:40

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General

Target

42c3d510fa655fa4f20163b69172a6dff1e990e8630fa465c4cb01c47f50cefe.exe
Size

203KB
MD5

cad2e56e0f6f490b74884f3d0237b37f
SHA1

dbdf46ab3af70b281439adc47a240e15915ab137
SHA256

42c3d510fa655fa4f20163b69172a6dff1e990e8630fa465c4cb01c47f50cefe
SHA512

3139fea1eb36e5149e827ba7eace7f8c1b56e44ba459546e72c8a98e726b4f58e543bedfd282b646af0a20d28738ca934ce4052bb758d2f23d809aed822da269
SSDEEP

3072:MzEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HII0svu1SEImfAF8V7m8CJvflRg:MLV6Bta6dtJmakIM59uvImfVqflRj0v3

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\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\WAN Manager = "C:\\Program Files (x86)\\WAN Manager\\wanmgr.exe"	42c3d510fa655fa4f20163b69172a6dff1e990e8630fa465c4cb01c47f50cefe.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	42c3d510fa655fa4f20163b69172a6dff1e990e8630fa465c4cb01c47f50cefe.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\WAN Manager\wanmgr.exe	42c3d510fa655fa4f20163b69172a6dff1e990e8630fa465c4cb01c47f50cefe.exe
File opened for modification	C:\Program Files (x86)\WAN Manager\wanmgr.exe	42c3d510fa655fa4f20163b69172a6dff1e990e8630fa465c4cb01c47f50cefe.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/Job

T1053

pid	Process
2300	schtasks.exe
860	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2888	42c3d510fa655fa4f20163b69172a6dff1e990e8630fa465c4cb01c47f50cefe.exe
2888	42c3d510fa655fa4f20163b69172a6dff1e990e8630fa465c4cb01c47f50cefe.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2888	42c3d510fa655fa4f20163b69172a6dff1e990e8630fa465c4cb01c47f50cefe.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2888	42c3d510fa655fa4f20163b69172a6dff1e990e8630fa465c4cb01c47f50cefe.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2888 wrote to memory of 2300	2888	42c3d510fa655fa4f20163b69172a6dff1e990e8630fa465c4cb01c47f50cefe.exe	28
PID 2888 wrote to memory of 2300	2888	42c3d510fa655fa4f20163b69172a6dff1e990e8630fa465c4cb01c47f50cefe.exe	28
PID 2888 wrote to memory of 2300	2888	42c3d510fa655fa4f20163b69172a6dff1e990e8630fa465c4cb01c47f50cefe.exe	28
PID 2888 wrote to memory of 2300	2888	42c3d510fa655fa4f20163b69172a6dff1e990e8630fa465c4cb01c47f50cefe.exe	28
PID 2888 wrote to memory of 860	2888	42c3d510fa655fa4f20163b69172a6dff1e990e8630fa465c4cb01c47f50cefe.exe	31
PID 2888 wrote to memory of 860	2888	42c3d510fa655fa4f20163b69172a6dff1e990e8630fa465c4cb01c47f50cefe.exe	31
PID 2888 wrote to memory of 860	2888	42c3d510fa655fa4f20163b69172a6dff1e990e8630fa465c4cb01c47f50cefe.exe	31
PID 2888 wrote to memory of 860	2888	42c3d510fa655fa4f20163b69172a6dff1e990e8630fa465c4cb01c47f50cefe.exe	31

C:\Users\Admin\AppData\Local\Temp\42c3d510fa655fa4f20163b69172a6dff1e990e8630fa465c4cb01c47f50cefe.exe
"C:\Users\Admin\AppData\Local\Temp\42c3d510fa655fa4f20163b69172a6dff1e990e8630fa465c4cb01c47f50cefe.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:2888
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "WAN Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmp85A.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2300
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "WAN Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp907.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:860

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp85A.tmp

Filesize
1KB

MD5
20e9fac12601092c07a517e8dde6d6dc

SHA1
4c563048208f6e98456f6405b246ca5c04f1ccf9

SHA256
ba37d3b467c6363860ce132a3b3f8f0ea39cb9f50d6c0100d940bf87a77dbbc0

SHA512
5f16e07f192d909c36599b3f34bf349d735722eec8f3d1158344827ef62e6ba68a39700744d5458611c3910b453ed411d0357e7c29dcb963f53e7c86c18bf13a

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp907.tmp

Filesize
1KB

MD5
f3cda3e6bab1951e8d59c3eb775a14c6

SHA1
434c1ec851a45c0505fd8fd28159f549e2e9adfd

SHA256
067d3f5167cab2ea4e76f59386df4eaf49c6008f6451e1971274a938ad7bcf44

SHA512
bc79446e4e0204c04abcacef6799aeafe7915c1a5c6bdb3573ba40370d6a6a1e2590eb6315151d12a9447970f993a17463442c5dc0ba97c58df17dddfd73d62c

Download Submit
memory/2888-1-0x00000000004E0000-0x0000000000520000-memory.dmp

Filesize
256KB

Download
memory/2888-0-0x0000000074810000-0x0000000074DBB000-memory.dmp

Filesize
5.7MB

Download
memory/2888-2-0x0000000074810000-0x0000000074DBB000-memory.dmp

Filesize
5.7MB

Download
memory/2888-11-0x00000000004E0000-0x0000000000520000-memory.dmp

Filesize
256KB

Download
memory/2888-10-0x0000000074810000-0x0000000074DBB000-memory.dmp

Filesize
5.7MB

Download