nanocore | 10eb16cc07efcedd4460b858a81ae14e678f06d89e3f94614ff399c5666607f3

General

Target

INV-20170806-0092795243900-29178.exe
Size

898KB
MD5

f529fe5474bd401997196d6ff238bc2f
SHA1

60d045b2d29ae67545c784c71d053018d7e7a6ae
SHA256

fda36d8d713d109a05551754a23ca383030b0d9fd9f1cde3658eaf51689ffa53
SHA512

350ba9446c5a26f983093446d65aa2eef03b7905bfde0ea9be770dc98519eba9b88b25b80959aa565f0f80c33f4541e7b21d03ed4de0d01bb6aab4e024d5a838
SSDEEP

12288:reCCOALwRZGwIPRHTQI/rnP/7e807tcTuT62ZpQkfO5NI75tiqrUWJ:rLALqZtUjC80iY9B3

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

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	INV-20170806-0092795243900-29178.exe
Key value queried	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	AdobeCHH.EXE

Executes dropped EXE 1 IoCs

pid	Process
5016	AdobeCHH.EXE

Loads dropped DLL 2 IoCs

pid	Process
3404	installutil.exe
3404	installutil.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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\FOlBISOLA = "\"C:\\Users\\Admin\\AppData\\Roaming\\ViaFolder\\AdobeCHH.exe\""	installutil.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 3404 set thread context of 1884	3404	installutil.exe	100

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 4 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	INV-20170806-0092795243900-29178.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AdobeCHH.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	installutil.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1884	RegAsm.exe
1884	RegAsm.exe
1884	RegAsm.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1884	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1884	RegAsm.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1832 wrote to memory of 5016	1832	INV-20170806-0092795243900-29178.exe	87
PID 1832 wrote to memory of 5016	1832	INV-20170806-0092795243900-29178.exe	87
PID 1832 wrote to memory of 5016	1832	INV-20170806-0092795243900-29178.exe	87
PID 5016 wrote to memory of 3404	5016	AdobeCHH.EXE	98
PID 5016 wrote to memory of 3404	5016	AdobeCHH.EXE	98
PID 5016 wrote to memory of 3404	5016	AdobeCHH.EXE	98
PID 3404 wrote to memory of 1884	3404	installutil.exe	100
PID 3404 wrote to memory of 1884	3404	installutil.exe	100
PID 3404 wrote to memory of 1884	3404	installutil.exe	100
PID 3404 wrote to memory of 1884	3404	installutil.exe	100
PID 3404 wrote to memory of 1884	3404	installutil.exe	100
PID 3404 wrote to memory of 1884	3404	installutil.exe	100
PID 3404 wrote to memory of 1884	3404	installutil.exe	100
PID 3404 wrote to memory of 1884	3404	installutil.exe	100

C:\Users\Admin\AppData\Local\Temp\INV-20170806-0092795243900-29178.exe
"C:\Users\Admin\AppData\Local\Temp\INV-20170806-0092795243900-29178.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1832
- C:\Users\Admin\AppData\Roaming\ViaFolder\AdobeCHH.EXE
  "C:\Users\Admin\AppData\Roaming\ViaFolder\AdobeCHH.EXE"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5016
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\installutil.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\installutil.exe" /logtoconsole=false /logfile= /u "C:\Users\Admin\AppData\Roaming\ViaFolder\AdobeCHH.EXE"
    3⤵
    - Loads dropped DLL
    - Adds Run key to start application
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3404
  - - C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
      4⤵
      Checks whether UAC is enabled
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of AdjustPrivilegeToken
      PID:1884

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

Query Registry

1

T1012

System Information Discovery

3

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\Roaming\ViaFolder\AdobeCHH.EXE

Filesize
898KB

MD5
f529fe5474bd401997196d6ff238bc2f

SHA1
60d045b2d29ae67545c784c71d053018d7e7a6ae

SHA256
fda36d8d713d109a05551754a23ca383030b0d9fd9f1cde3658eaf51689ffa53

SHA512
350ba9446c5a26f983093446d65aa2eef03b7905bfde0ea9be770dc98519eba9b88b25b80959aa565f0f80c33f4541e7b21d03ed4de0d01bb6aab4e024d5a838

Download Submit
memory/1832-0-0x0000000074DD2000-0x0000000074DD3000-memory.dmp

Filesize
4KB

Download
memory/1832-1-0x0000000074DD0000-0x0000000075381000-memory.dmp

Filesize
5.7MB

Download
memory/1832-2-0x0000000074DD0000-0x0000000075381000-memory.dmp

Filesize
5.7MB

Download
memory/1832-16-0x0000000074DD0000-0x0000000075381000-memory.dmp

Filesize
5.7MB

Download
memory/3404-22-0x0000000074DD0000-0x0000000074E6B000-memory.dmp

Filesize
620KB

Download
memory/3404-21-0x0000000074DD0000-0x0000000074E6B000-memory.dmp

Filesize
620KB

Download
memory/3404-27-0x0000000074DD0000-0x0000000074E6B000-memory.dmp

Filesize
620KB

Download
memory/5016-15-0x0000000074DD0000-0x0000000075381000-memory.dmp

Filesize
5.7MB

Download
memory/5016-17-0x0000000074DD0000-0x0000000075381000-memory.dmp

Filesize
5.7MB

Download
memory/5016-18-0x0000000074DD0000-0x0000000075381000-memory.dmp

Filesize
5.7MB

Download
memory/5016-20-0x0000000074DD0000-0x0000000075381000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads