nanocore | e11d4207bca50300d171fc98f1a739a18b55eb845bb9c08141161393dc9f37fc

General

Target

e11d4207bca50300d171fc98f1a739a18b55eb845bb9c08141161393dc9f37fc.exe
Size

416KB
MD5

bd224ba613c6343724db0cd5baedc0c7
SHA1

0178b39e23bbaf9caa24a99d5a14ba11e34c9035
SHA256

e11d4207bca50300d171fc98f1a739a18b55eb845bb9c08141161393dc9f37fc
SHA512

6b6c07dd9ce366e784e02ed8e9237f5c2f5892934686831cc66663703563bbb48f796785876ea49cb75c313934104ca30944b937afa7ed6ae75dd0d8d2dcdf21
SSDEEP

6144:ITNE3ZRrnaBVlvphVxmP+6CiejgcME1cwYfU+va+RU7/:ITNYrnE3bm/CiejewY5vO

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

[email protected]:46218

178.32.224.116:46218

Mutex

4af74541-e3f1-469c-8af7-efe4071b81cf

Attributes

activate_away_mode
false
backup_connection_host
178.32.224.116
backup_dns_server
buffer_size
65535
build_time
2018-07-28T12:59:38.488799236Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
false
clear_zone_identifier
false
connect_delay
4000
connection_port
46218
default_group
tourex
enable_debug_mode
true
gc_threshold
1.048576e+07
keep_alive_timeout
30000
keyboard_logging
false
lan_timeout
2500
max_packet_size
1.048576e+07
mutex
4af74541-e3f1-469c-8af7-efe4071b81cf
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
[email protected]
primary_dns_server
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
true
set_critical_process
true
timeout_interval
5000
use_custom_dns_server
false
version
1.2.2.0
wan_timeout
8000

Signatures

NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore
Nanocore family
nanocore

Executes dropped EXE 1 IoCs

pid	Process
2996	ximo2ubzn1i.exe

Loads dropped DLL 1 IoCs

pid	Process
2496	e11d4207bca50300d171fc98f1a739a18b55eb845bb9c08141161393dc9f37fc.exe

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\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\c5e4gxfvd4v = "C:\\Users\\Admin\\AppData\\Roaming\\c5e4gxfvd4v\\ximo2ubzn1i.exe"	e11d4207bca50300d171fc98f1a739a18b55eb845bb9c08141161393dc9f37fc.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	regasm.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2996 set thread context of 2780	2996	ximo2ubzn1i.exe	31

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	e11d4207bca50300d171fc98f1a739a18b55eb845bb9c08141161393dc9f37fc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ximo2ubzn1i.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regasm.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2780	regasm.exe
2780	regasm.exe
2780	regasm.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2780	regasm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2780	regasm.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2496 wrote to memory of 2996	2496	e11d4207bca50300d171fc98f1a739a18b55eb845bb9c08141161393dc9f37fc.exe	30
PID 2496 wrote to memory of 2996	2496	e11d4207bca50300d171fc98f1a739a18b55eb845bb9c08141161393dc9f37fc.exe	30
PID 2496 wrote to memory of 2996	2496	e11d4207bca50300d171fc98f1a739a18b55eb845bb9c08141161393dc9f37fc.exe	30
PID 2496 wrote to memory of 2996	2496	e11d4207bca50300d171fc98f1a739a18b55eb845bb9c08141161393dc9f37fc.exe	30
PID 2996 wrote to memory of 2780	2996	ximo2ubzn1i.exe	31
PID 2996 wrote to memory of 2780	2996	ximo2ubzn1i.exe	31
PID 2996 wrote to memory of 2780	2996	ximo2ubzn1i.exe	31
PID 2996 wrote to memory of 2780	2996	ximo2ubzn1i.exe	31
PID 2996 wrote to memory of 2780	2996	ximo2ubzn1i.exe	31
PID 2996 wrote to memory of 2780	2996	ximo2ubzn1i.exe	31
PID 2996 wrote to memory of 2780	2996	ximo2ubzn1i.exe	31
PID 2996 wrote to memory of 2780	2996	ximo2ubzn1i.exe	31
PID 2996 wrote to memory of 2780	2996	ximo2ubzn1i.exe	31
PID 2996 wrote to memory of 2780	2996	ximo2ubzn1i.exe	31
PID 2996 wrote to memory of 2780	2996	ximo2ubzn1i.exe	31
PID 2996 wrote to memory of 2780	2996	ximo2ubzn1i.exe	31

C:\Users\Admin\AppData\Local\Temp\e11d4207bca50300d171fc98f1a739a18b55eb845bb9c08141161393dc9f37fc.exe
"C:\Users\Admin\AppData\Local\Temp\e11d4207bca50300d171fc98f1a739a18b55eb845bb9c08141161393dc9f37fc.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2496
- C:\Users\Admin\AppData\Roaming\c5e4gxfvd4v\ximo2ubzn1i.exe
  "C:\Users\Admin\AppData\Roaming\c5e4gxfvd4v\ximo2ubzn1i.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2996
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
    3⤵
    - Checks whether UAC is enabled
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:2780

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

2

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

\Users\Admin\AppData\Roaming\c5e4gxfvd4v\ximo2ubzn1i.exe

Filesize
416KB

MD5
629137fda9c0df4d4603c5979d9cfca8

SHA1
7d4842a8d2a8c39afb741be2e0e16bff6db34591

SHA256
e530789e8b0dd593f572dab9606b9c7d85a600753fbbfafff7c2225a4e25c4d2

SHA512
61f2cab5c69a7242246b7a33fbf53276c5aeec203769b9a8e17906bc3553c2aa8c58a8cad36eb3945e215fbb59a192c72c6e4c1a364b8b7b9ff02e80b001478b

Download Submit
memory/2496-0-0x00000000742DE000-0x00000000742DF000-memory.dmp

Filesize
4KB

Download
memory/2496-1-0x0000000000230000-0x000000000029E000-memory.dmp

Filesize
440KB

Download
memory/2496-2-0x00000000742D0000-0x00000000749BE000-memory.dmp

Filesize
6.9MB

Download
memory/2496-3-0x0000000001EF0000-0x0000000001F2C000-memory.dmp

Filesize
240KB

Download
memory/2496-13-0x00000000742D0000-0x00000000749BE000-memory.dmp

Filesize
6.9MB

Download
memory/2780-25-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2780-29-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2780-34-0x00000000004C0000-0x00000000004CA000-memory.dmp

Filesize
40KB

Download
memory/2780-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2780-33-0x0000000000460000-0x000000000047E000-memory.dmp

Filesize
120KB

Download
memory/2780-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2780-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2780-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2780-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2780-30-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2780-32-0x0000000000450000-0x000000000045A000-memory.dmp

Filesize
40KB

Download
memory/2996-14-0x00000000001F0000-0x000000000025E000-memory.dmp

Filesize
440KB

Download
memory/2996-12-0x00000000742D0000-0x00000000749BE000-memory.dmp

Filesize
6.9MB

Download
memory/2996-15-0x00000000742D0000-0x00000000749BE000-memory.dmp

Filesize
6.9MB

Download
memory/2996-35-0x00000000742D0000-0x00000000749BE000-memory.dmp

Filesize
6.9MB

Download
memory/2996-36-0x00000000742D0000-0x00000000749BE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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