nanocore | adb4e3ed6f26e81b77bfb28cf4ab4707b7047f4a432e582aa6875e686fbe48d5

General

Target
adb4e3ed6f26e81b77bfb28cf4ab4707b7047f4a432e582aa6875e686fbe48d5.exe
Size 560KB
Sample240812-bfa97ssdmf
SHA256 adb4e3ed6f26e81b77bfb28cf4ab4707b7047f4a432e582aa6875e686fbe48d5
MD5 a6d0cce9aed3e8a5253320afe320a5cf
SHA1 80c69e820ed28392af4adc0c86ccbf6ed011a347
SHA512 f6d21be9b58547c5f5396f7f14bac177090b2e00daaaef07424db9572d0efdc789cd80abfa6781a55e5fa26ee024b02b739c1a72090ee19e8fea5b7a85e66756
SSDEEP 12288:WLV6Btpmk25LG7Ilxs0G4ASfUsZblcfM1Zj7S:EApfayCW0XthbCM3S
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

nanocore discovery 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\DNS Manager = "C:\\Program Files (x86)\\DNS Manager\\dnsmgr.exe"	adb4e3ed6f26e81b77bfb28cf4ab4707b7047f4a432e582aa6875e686fbe48d5.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	adb4e3ed6f26e81b77bfb28cf4ab4707b7047f4a432e582aa6875e686fbe48d5.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\DNS Manager\dnsmgr.exe	adb4e3ed6f26e81b77bfb28cf4ab4707b7047f4a432e582aa6875e686fbe48d5.exe
File created	C:\Program Files (x86)\DNS Manager\dnsmgr.exe	adb4e3ed6f26e81b77bfb28cf4ab4707b7047f4a432e582aa6875e686fbe48d5.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	adb4e3ed6f26e81b77bfb28cf4ab4707b7047f4a432e582aa6875e686fbe48d5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
4896	schtasks.exe
1628	schtasks.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
3608	adb4e3ed6f26e81b77bfb28cf4ab4707b7047f4a432e582aa6875e686fbe48d5.exe
3608	adb4e3ed6f26e81b77bfb28cf4ab4707b7047f4a432e582aa6875e686fbe48d5.exe
3608	adb4e3ed6f26e81b77bfb28cf4ab4707b7047f4a432e582aa6875e686fbe48d5.exe
3608	adb4e3ed6f26e81b77bfb28cf4ab4707b7047f4a432e582aa6875e686fbe48d5.exe
3608	adb4e3ed6f26e81b77bfb28cf4ab4707b7047f4a432e582aa6875e686fbe48d5.exe
3608	adb4e3ed6f26e81b77bfb28cf4ab4707b7047f4a432e582aa6875e686fbe48d5.exe
3608	adb4e3ed6f26e81b77bfb28cf4ab4707b7047f4a432e582aa6875e686fbe48d5.exe
3608	adb4e3ed6f26e81b77bfb28cf4ab4707b7047f4a432e582aa6875e686fbe48d5.exe
3608	adb4e3ed6f26e81b77bfb28cf4ab4707b7047f4a432e582aa6875e686fbe48d5.exe
3608	adb4e3ed6f26e81b77bfb28cf4ab4707b7047f4a432e582aa6875e686fbe48d5.exe
3608	adb4e3ed6f26e81b77bfb28cf4ab4707b7047f4a432e582aa6875e686fbe48d5.exe
3608	adb4e3ed6f26e81b77bfb28cf4ab4707b7047f4a432e582aa6875e686fbe48d5.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3608	adb4e3ed6f26e81b77bfb28cf4ab4707b7047f4a432e582aa6875e686fbe48d5.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3608	adb4e3ed6f26e81b77bfb28cf4ab4707b7047f4a432e582aa6875e686fbe48d5.exe
Token: SeDebugPrivilege	3608	adb4e3ed6f26e81b77bfb28cf4ab4707b7047f4a432e582aa6875e686fbe48d5.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3608 wrote to memory of 4896	3608	adb4e3ed6f26e81b77bfb28cf4ab4707b7047f4a432e582aa6875e686fbe48d5.exe	87
PID 3608 wrote to memory of 4896	3608	adb4e3ed6f26e81b77bfb28cf4ab4707b7047f4a432e582aa6875e686fbe48d5.exe	87
PID 3608 wrote to memory of 4896	3608	adb4e3ed6f26e81b77bfb28cf4ab4707b7047f4a432e582aa6875e686fbe48d5.exe	87
PID 3608 wrote to memory of 1628	3608	adb4e3ed6f26e81b77bfb28cf4ab4707b7047f4a432e582aa6875e686fbe48d5.exe	89
PID 3608 wrote to memory of 1628	3608	adb4e3ed6f26e81b77bfb28cf4ab4707b7047f4a432e582aa6875e686fbe48d5.exe	89
PID 3608 wrote to memory of 1628	3608	adb4e3ed6f26e81b77bfb28cf4ab4707b7047f4a432e582aa6875e686fbe48d5.exe	89

C:\Users\Admin\AppData\Local\Temp\adb4e3ed6f26e81b77bfb28cf4ab4707b7047f4a432e582aa6875e686fbe48d5.exe
"C:\Users\Admin\AppData\Local\Temp\adb4e3ed6f26e81b77bfb28cf4ab4707b7047f4a432e582aa6875e686fbe48d5.exe"
1⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3608
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "DNS Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmpB8C1.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4896
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "DNS Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpB91F.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1628

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

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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tmpB8C1.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpB8C1.tmp
Size 1KB
SHA256 86cec4e3fd86ad39364336d9e210911e5a84011acd68d25e7c93cbba02a2e285
MD5 6fc47cb8fdf5fef86008857843213de7
SHA1 5d445584d5fb94a7882b1aac3fe83ac73d5a559d
SHA512 d88269a6f995fcce4a8a5949cf0e53f27187eedff5234b4d9178232d88bfe3f86e376320726aea130914a5235f37ce931ffd82803ce8969dac62d396d75bd56e
MD5 SHA1 SHA512

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tmpB91F.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpB91F.tmp
Size 1KB
SHA256 ef704c92466ea7f43c33880380c3fbc8bee8d8ce7a041abefb23fd610baff13c
MD5 bf0287a4e4ec6b543e5f2c020d4f88b2
SHA1 da151b3e3f382ec107053e487b08035616db2694
SHA512 94c9b8f53120a0024031996a91ee54de0a791e49e45a9e2c6e56c51a363b3b3cac206f19b84861a21054bcd3ee8031ab684596502a126fea47352474a4ecd8be
MD5 SHA1 SHA512

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memory/3608-0-0x0000000074EA2000-0x0000000074EA3000-memory.dmp

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memory/3608-1-0x0000000074EA0000-0x0000000075451000-memory.dmp

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memory/3608-9-0x0000000074EA0000-0x0000000075451000-memory.dmp

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memory/3608-10-0x0000000074EA0000-0x0000000075451000-memory.dmp

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memory/3608-11-0x0000000074EA2000-0x0000000074EA3000-memory.dmp

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memory/3608-12-0x0000000074EA0000-0x0000000075451000-memory.dmp

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memory/3608-13-0x0000000074EA0000-0x0000000075451000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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