nanocore | 4def8f74ceadc735fcadf2cc6435efc5c5161760fef38dffb510f723bf2c3aae

General

Target
4def8f74ceadc735fcadf2cc6435efc5c5161760fef38dffb510f723bf2c3aae.exe
Size 203KB
Sample221110-rbttraadc7
SHA256 4def8f74ceadc735fcadf2cc6435efc5c5161760fef38dffb510f723bf2c3aae
MD5 0f678c9be234b142a4a23041f6a2e419
SHA1 8f96cd47aef8118c0839990f7f6a67d9ec9831c1
SHA512 a0c6b8c851e9ea96bd4026d26b0cc167ec750c1c1563bdf1a87cf53afdc507e12e8530bc179aa3a8d216ee40b255b194e02e3b859616e49c89e475bb5df3bbca
SSDEEP 3072:szEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HI/xESwt6zj41CHDbVJzD7+cwu7:sLV6Bta6dtJmakIM5A7wtiwCbVJ3fz
MD5 SHA1 SHA512 SSDEEP

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\NTFS Monitor = "C:\\Program Files (x86)\\NTFS Monitor\\ntfsmon.exe"	4def8f74ceadc735fcadf2cc6435efc5c5161760fef38dffb510f723bf2c3aae.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	4def8f74ceadc735fcadf2cc6435efc5c5161760fef38dffb510f723bf2c3aae.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\NTFS Monitor\ntfsmon.exe	4def8f74ceadc735fcadf2cc6435efc5c5161760fef38dffb510f723bf2c3aae.exe
File opened for modification	C:\Program Files (x86)\NTFS Monitor\ntfsmon.exe	4def8f74ceadc735fcadf2cc6435efc5c5161760fef38dffb510f723bf2c3aae.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
1948	schtasks.exe
1968	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
768	4def8f74ceadc735fcadf2cc6435efc5c5161760fef38dffb510f723bf2c3aae.exe
768	4def8f74ceadc735fcadf2cc6435efc5c5161760fef38dffb510f723bf2c3aae.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
768	4def8f74ceadc735fcadf2cc6435efc5c5161760fef38dffb510f723bf2c3aae.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	768	4def8f74ceadc735fcadf2cc6435efc5c5161760fef38dffb510f723bf2c3aae.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 768 wrote to memory of 1948	768	4def8f74ceadc735fcadf2cc6435efc5c5161760fef38dffb510f723bf2c3aae.exe	27
PID 768 wrote to memory of 1948	768	4def8f74ceadc735fcadf2cc6435efc5c5161760fef38dffb510f723bf2c3aae.exe	27
PID 768 wrote to memory of 1948	768	4def8f74ceadc735fcadf2cc6435efc5c5161760fef38dffb510f723bf2c3aae.exe	27
PID 768 wrote to memory of 1948	768	4def8f74ceadc735fcadf2cc6435efc5c5161760fef38dffb510f723bf2c3aae.exe	27
PID 768 wrote to memory of 1968	768	4def8f74ceadc735fcadf2cc6435efc5c5161760fef38dffb510f723bf2c3aae.exe	29
PID 768 wrote to memory of 1968	768	4def8f74ceadc735fcadf2cc6435efc5c5161760fef38dffb510f723bf2c3aae.exe	29
PID 768 wrote to memory of 1968	768	4def8f74ceadc735fcadf2cc6435efc5c5161760fef38dffb510f723bf2c3aae.exe	29
PID 768 wrote to memory of 1968	768	4def8f74ceadc735fcadf2cc6435efc5c5161760fef38dffb510f723bf2c3aae.exe	29

C:\Users\Admin\AppData\Local\Temp\4def8f74ceadc735fcadf2cc6435efc5c5161760fef38dffb510f723bf2c3aae.exe
"C:\Users\Admin\AppData\Local\Temp\4def8f74ceadc735fcadf2cc6435efc5c5161760fef38dffb510f723bf2c3aae.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:768
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "NTFS Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp3B9.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1948
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "NTFS Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp61B.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1968

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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tmp3B9.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp3B9.tmp
Size 1KB
SHA256 2f455cc948962bd348b83f4c0e7c2f939c9a4482a774582b17895acfb5d03698
MD5 40cb9f1d38dda7bd2ba1c932ee3626da
SHA1 ee2db1d9e8ad579dc7fd5f3e70893accf7e18a53
SHA512 71b4646dfbe4079a889a21f456f8e05fc9ad2efe1ad45a137a169fbe74b496c3656e8d880b4abe4e36358b61aae9793feff4f8352cbdc079c797fd277bbc5e7a
MD5 SHA1 SHA512

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tmp61B.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp61B.tmp
Size 1KB
SHA256 11ae277dfa39e7038b782ca6557339e7fe88533fe83705c356a1500a1402d527
MD5 981e126601526eaa5b0ad45c496c4465
SHA1 d610d6a21a8420cc73fcd3e54ddae75a5897b28b
SHA512 a59fb704d931ccb7e1ec1a7b98e24ccd8708be529066c6de4b673098cdebef539f7f50d9e051c43954b5a8e7f810862b3a4ede170f131e080dadc3e763ed4bdb
MD5 SHA1 SHA512

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memory/768-54-0x0000000076871000-0x0000000076873000-memory.dmp

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memory/768-59-0x0000000074EE0000-0x000000007548B000-memory.dmp

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memory/768-60-0x0000000074EE0000-0x000000007548B000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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