nanocore | 3b7157c0c932702b454bfd6b1a4f87b434dc6d23d8db2ada65f144dff368d5b2

General

Target

2ab92369c98c2f7f5feb9c4194a80d45_JaffaCakes118.exe
Size

261KB
MD5

2ab92369c98c2f7f5feb9c4194a80d45
SHA1

ac681abb13b068e2b7286a445897784455a9c663
SHA256

3b7157c0c932702b454bfd6b1a4f87b434dc6d23d8db2ada65f144dff368d5b2
SHA512

e8b60b5b3fe1b13d731013ec12ddcbdfa348e1163bd9a3f6976463c6a8e615fbb552258bd9f9f65958c11a2b97e487f8360e0d8a2cb0393f4cd63416dd104367
SSDEEP

6144:9LV6Bta6dtJmakIM5pSKyrsAQjn/kAflqT1une7R0s1ebp:9LV6BtpmkpRp2/FU5el

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

Processes:

2ab92369c98c2f7f5feb9c4194a80d45_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\IMAP Subsystem = "C:\\Program Files (x86)\\IMAP Subsystem\\imapss.exe"	2ab92369c98c2f7f5feb9c4194a80d45_JaffaCakes118.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

2ab92369c98c2f7f5feb9c4194a80d45_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	2ab92369c98c2f7f5feb9c4194a80d45_JaffaCakes118.exe

Drops file in Program Files directory 2 IoCs

Processes:

2ab92369c98c2f7f5feb9c4194a80d45_JaffaCakes118.exe

description	ioc	process
File created	C:\Program Files (x86)\IMAP Subsystem\imapss.exe	2ab92369c98c2f7f5feb9c4194a80d45_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\IMAP Subsystem\imapss.exe	2ab92369c98c2f7f5feb9c4194a80d45_JaffaCakes118.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

Processes:

2ab92369c98c2f7f5feb9c4194a80d45_JaffaCakes118.exeschtasks.exeschtasks.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2ab92369c98c2f7f5feb9c4194a80d45_JaffaCakes118.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

Processes:

schtasks.exeschtasks.exe

pid process

3508 schtasks.exe
1196 schtasks.exe

pid	process
3508	schtasks.exe
1196	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

2ab92369c98c2f7f5feb9c4194a80d45_JaffaCakes118.exe

pid	process
736	2ab92369c98c2f7f5feb9c4194a80d45_JaffaCakes118.exe
736	2ab92369c98c2f7f5feb9c4194a80d45_JaffaCakes118.exe
736	2ab92369c98c2f7f5feb9c4194a80d45_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

2ab92369c98c2f7f5feb9c4194a80d45_JaffaCakes118.exe

pid process

736 2ab92369c98c2f7f5feb9c4194a80d45_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

2ab92369c98c2f7f5feb9c4194a80d45_JaffaCakes118.exe

description	pid	process
Token: SeDebugPrivilege	736	2ab92369c98c2f7f5feb9c4194a80d45_JaffaCakes118.exe
Token: SeDebugPrivilege	736	2ab92369c98c2f7f5feb9c4194a80d45_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

2ab92369c98c2f7f5feb9c4194a80d45_JaffaCakes118.exe

description	pid	process	target process
PID 736 wrote to memory of 3508	736	2ab92369c98c2f7f5feb9c4194a80d45_JaffaCakes118.exe	schtasks.exe
PID 736 wrote to memory of 3508	736	2ab92369c98c2f7f5feb9c4194a80d45_JaffaCakes118.exe	schtasks.exe
PID 736 wrote to memory of 3508	736	2ab92369c98c2f7f5feb9c4194a80d45_JaffaCakes118.exe	schtasks.exe
PID 736 wrote to memory of 1196	736	2ab92369c98c2f7f5feb9c4194a80d45_JaffaCakes118.exe	schtasks.exe
PID 736 wrote to memory of 1196	736	2ab92369c98c2f7f5feb9c4194a80d45_JaffaCakes118.exe	schtasks.exe
PID 736 wrote to memory of 1196	736	2ab92369c98c2f7f5feb9c4194a80d45_JaffaCakes118.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\2ab92369c98c2f7f5feb9c4194a80d45_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2ab92369c98c2f7f5feb9c4194a80d45_JaffaCakes118.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:736

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "IMAP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp756E.tmp"
2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:3508

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "IMAP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp75CD.tmp"
2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1196

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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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp756E.tmp

Filesize
1KB

MD5
4886830113c3c8d6aceb5693ab623f7c

SHA1
07544545ebd718706a880a2dde176ebf291eef83

SHA256
db785bd0be584698a373d26dd4e604093acd862b9b47339ae08721fc7203d0dd

SHA512
2f62ad0b3994c30dc399b46bf27c09c168f19243d4dc74b092069535f66e4aa40b76c5a77ef3f120ee7ecf7f7c7d783179926ca4067b63d70dfc962b5d9ca1e4

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp75CD.tmp

Filesize
1KB

MD5
4a0b600dc69a91b7134c8cedda9e49d3

SHA1
788e74e33a9dc48a45074b7226730a299352f2ef

SHA256
113b96e45fb075b17d381d3933db3eb2afcd1d08f7066a27b701ed9efd6c55f7

SHA512
e2c7b7ad53ae28f895bbc8f5781b4748af1998832e6f6dadca77a961a123fc5507f84ddac3f1c6851a80d279416485515a7bd1798053aee5ff38e62ce4c7c44c

Download Submit
memory/736-0-0x0000000074DA2000-0x0000000074DA3000-memory.dmp

Filesize
4KB

Download
memory/736-1-0x0000000074DA0000-0x0000000075351000-memory.dmp

Filesize
5.7MB

Download
memory/736-2-0x0000000074DA0000-0x0000000075351000-memory.dmp

Filesize
5.7MB

Download
memory/736-10-0x0000000074DA0000-0x0000000075351000-memory.dmp

Filesize
5.7MB

Download
memory/736-11-0x0000000074DA2000-0x0000000074DA3000-memory.dmp

Filesize
4KB

Download
memory/736-12-0x0000000074DA0000-0x0000000075351000-memory.dmp

Filesize
5.7MB

Download
memory/736-13-0x0000000074DA0000-0x0000000075351000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads