nanocore | 6c2d48aa735127778e9f4417eaaefc027759af863d4b7d3de63050133c8c0f30

Analysis

max time kernel
158s
max time network
166s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
03/04/2024, 22:11

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General

Target
6c2d48aa735127778e9f4417eaaefc027759af863d4b7d3de63050133c8c0f30.exe
Size 203KB
Sample240403-131k2seg68
SHA256 6c2d48aa735127778e9f4417eaaefc027759af863d4b7d3de63050133c8c0f30
MD5 2ce87e1271f63e99f64c8abc12c315e3
SHA1 204994c7212e61408489d43f6e6d5c1608728b4d
SHA512 e32014deb9bbf1129586923fad803c20cdbbf216e62b452e3548946dc5aa9d6008ef6c59e90fdb3c644daa9913f6ce666248da2e1f44892e6417afbd41ddf85a
SSDEEP 6144:MLV6Bta6dtJmakIM5YMBrwBJnaMC8xFev7y4QT1tH:MLV6Btpmk5MFIPHPe2DtH
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

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ARP Manager = "C:\\Program Files (x86)\\ARP Manager\\arpmgr.exe"	6c2d48aa735127778e9f4417eaaefc027759af863d4b7d3de63050133c8c0f30.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	6c2d48aa735127778e9f4417eaaefc027759af863d4b7d3de63050133c8c0f30.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\ARP Manager\arpmgr.exe	6c2d48aa735127778e9f4417eaaefc027759af863d4b7d3de63050133c8c0f30.exe
File opened for modification	C:\Program Files (x86)\ARP Manager\arpmgr.exe	6c2d48aa735127778e9f4417eaaefc027759af863d4b7d3de63050133c8c0f30.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
1860	schtasks.exe
1140	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1736	6c2d48aa735127778e9f4417eaaefc027759af863d4b7d3de63050133c8c0f30.exe
1736	6c2d48aa735127778e9f4417eaaefc027759af863d4b7d3de63050133c8c0f30.exe
1736	6c2d48aa735127778e9f4417eaaefc027759af863d4b7d3de63050133c8c0f30.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1736	6c2d48aa735127778e9f4417eaaefc027759af863d4b7d3de63050133c8c0f30.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1736	6c2d48aa735127778e9f4417eaaefc027759af863d4b7d3de63050133c8c0f30.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1736 wrote to memory of 1860	1736	6c2d48aa735127778e9f4417eaaefc027759af863d4b7d3de63050133c8c0f30.exe	89
PID 1736 wrote to memory of 1860	1736	6c2d48aa735127778e9f4417eaaefc027759af863d4b7d3de63050133c8c0f30.exe	89
PID 1736 wrote to memory of 1860	1736	6c2d48aa735127778e9f4417eaaefc027759af863d4b7d3de63050133c8c0f30.exe	89
PID 1736 wrote to memory of 1140	1736	6c2d48aa735127778e9f4417eaaefc027759af863d4b7d3de63050133c8c0f30.exe	91
PID 1736 wrote to memory of 1140	1736	6c2d48aa735127778e9f4417eaaefc027759af863d4b7d3de63050133c8c0f30.exe	91
PID 1736 wrote to memory of 1140	1736	6c2d48aa735127778e9f4417eaaefc027759af863d4b7d3de63050133c8c0f30.exe	91

C:\Users\Admin\AppData\Local\Temp\6c2d48aa735127778e9f4417eaaefc027759af863d4b7d3de63050133c8c0f30.exe
"C:\Users\Admin\AppData\Local\Temp\6c2d48aa735127778e9f4417eaaefc027759af863d4b7d3de63050133c8c0f30.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:1736
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "ARP Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmpAE70.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1860
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "ARP Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC092.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1140

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

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Downloads

tmpAE70.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpAE70.tmp
Size 1KB
SHA256 ac27441e844559b5b296245e06e92c355547b497259bdcf30ac168c85685bd21
MD5 ee2ef51960da0281e80f6b86cc9b4408
SHA1 0bf09db4040a57cf002f2678c77859bf26433b8b
SHA512 60bae055bad178f42aff9101e20b351fbaa7330c50fd0fa8317bb1011f1363cf25d1f58b220a87e46f58f87c8b372175a747fc94f46dc706b762fabac0d77a48
MD5 SHA1 SHA512

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tmpC092.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpC092.tmp
Size 1KB
SHA256 2aacf4d9629bbec978f5a9ecfe8009cd18cfb5dbde09507937e0aaa13b1aeaba
MD5 b6fc28b9f341812fc919e0d4c5ac0941
SHA1 d49341ec5a78189830dbf64b2bb553d0fbe06e88
SHA512 166ece1d42a5f438142bc5df5f34b30ee17de5844383bb7517200ee77d77b1b8096e963739cc9188602742984d2e1dc8bc9788d8ae12010e5a05415676e29fdf
MD5 SHA1 SHA512

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memory/1736-0-0x00000000749F0000-0x0000000074FA1000-memory.dmp

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memory/1736-1-0x00000000749F0000-0x0000000074FA1000-memory.dmp

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memory/1736-2-0x0000000001170000-0x0000000001180000-memory.dmp

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memory/1736-10-0x0000000001170000-0x0000000001180000-memory.dmp

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memory/1736-11-0x00000000749F0000-0x0000000074FA1000-memory.dmp

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memory/1736-12-0x00000000749F0000-0x0000000074FA1000-memory.dmp

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memory/1736-13-0x0000000001170000-0x0000000001180000-memory.dmp

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memory/1736-14-0x0000000001170000-0x0000000001180000-memory.dmp

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