nanocore | 7e8bf0b3594769cec3be06360b14ef4b0cda490efb831aef8ed07d8538e0b565

General

Target

0eb9815e16711d88796c48c1913422f2_JaffaCakes118.exe
Size

374KB
MD5

0eb9815e16711d88796c48c1913422f2
SHA1

4bafa6b1871a1ab96d9beea487040f9b2e450631
SHA256

7e8bf0b3594769cec3be06360b14ef4b0cda490efb831aef8ed07d8538e0b565
SHA512

256220e8b6c2042f21f10cffd37b2665310e1d40c4248bf91711cce0542ed5fff58bd283fbc0daa5f90af93515aea6b6190609fa7879e9e647b12b3dea6b3819
SSDEEP

6144:b23hYrwXuQW1A6fuZvs1STbQgN1Dl4hLBcUIrXTccmKTG/ldlCMLXXMc:bBO8XHZgNpl43wDcWy/dCus

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

209.200.39.239:1337

Mutex

b04e7bfb-45ff-4e04-83a9-efaee99f2492

Attributes

activate_away_mode
false
backup_connection_host
209.200.39.239
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2019-04-11T03:00:10.868167836Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
false
clear_zone_identifier
false
connect_delay
4000
connection_port
1337
default_group
Default
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
b04e7bfb-45ff-4e04-83a9-efaee99f2492
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
209.200.39.239
primary_dns_server
8.8.8.8
request_elevation
false
restart_delay
5000
run_delay
0
run_on_startup
false
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

Executes dropped EXE 2 IoCs

pid	Process
1880	家席的行泽行的.exe
1980	家席的行泽行的.exe

Loads dropped DLL 2 IoCs

pid	Process
2132	0eb9815e16711d88796c48c1913422f2_JaffaCakes118.exe
1880	家席的行泽行的.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\家席的行泽行的.exe = "C:\\Users\\Admin\\AppData\\Roaming\\家席的行泽行的.exe"	0eb9815e16711d88796c48c1913422f2_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\UDP Service = "C:\\Program Files (x86)\\UDP Service\\udpsv.exe"	家席的行泽行的.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	家席的行泽行的.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1880 set thread context of 1980	1880	家席的行泽行的.exe	31

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\UDP Service\udpsv.exe	家席的行泽行的.exe
File opened for modification	C:\Program Files (x86)\UDP Service\udpsv.exe	家席的行泽行的.exe

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	家席的行泽行的.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	家席的行泽行的.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0eb9815e16711d88796c48c1913422f2_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1980	家席的行泽行的.exe
1980	家席的行泽行的.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1980	家席的行泽行的.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2132	0eb9815e16711d88796c48c1913422f2_JaffaCakes118.exe
Token: SeDebugPrivilege	1880	家席的行泽行的.exe
Token: SeDebugPrivilege	1980	家席的行泽行的.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2132 wrote to memory of 1880	2132	0eb9815e16711d88796c48c1913422f2_JaffaCakes118.exe	30
PID 2132 wrote to memory of 1880	2132	0eb9815e16711d88796c48c1913422f2_JaffaCakes118.exe	30
PID 2132 wrote to memory of 1880	2132	0eb9815e16711d88796c48c1913422f2_JaffaCakes118.exe	30
PID 2132 wrote to memory of 1880	2132	0eb9815e16711d88796c48c1913422f2_JaffaCakes118.exe	30
PID 1880 wrote to memory of 1980	1880	家席的行泽行的.exe	31
PID 1880 wrote to memory of 1980	1880	家席的行泽行的.exe	31
PID 1880 wrote to memory of 1980	1880	家席的行泽行的.exe	31
PID 1880 wrote to memory of 1980	1880	家席的行泽行的.exe	31
PID 1880 wrote to memory of 1980	1880	家席的行泽行的.exe	31
PID 1880 wrote to memory of 1980	1880	家席的行泽行的.exe	31
PID 1880 wrote to memory of 1980	1880	家席的行泽行的.exe	31
PID 1880 wrote to memory of 1980	1880	家席的行泽行的.exe	31
PID 1880 wrote to memory of 1980	1880	家席的行泽行的.exe	31

C:\Users\Admin\AppData\Local\Temp\0eb9815e16711d88796c48c1913422f2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0eb9815e16711d88796c48c1913422f2_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2132
- C:\Users\Admin\AppData\Roaming\家席的行泽行的.exe
  "C:\Users\Admin\AppData\Roaming\家席的行泽行的.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1880
- - C:\Users\Admin\AppData\Roaming\家席的行泽行的.exe
    "C:\Users\Admin\AppData\Roaming\家席的行泽行的.exe"
    3⤵
    - Executes dropped EXE
    - 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
    PID:1980

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\家席的行泽行的.exe

Filesize
374KB

MD5
0eb9815e16711d88796c48c1913422f2

SHA1
4bafa6b1871a1ab96d9beea487040f9b2e450631

SHA256
7e8bf0b3594769cec3be06360b14ef4b0cda490efb831aef8ed07d8538e0b565

SHA512
256220e8b6c2042f21f10cffd37b2665310e1d40c4248bf91711cce0542ed5fff58bd283fbc0daa5f90af93515aea6b6190609fa7879e9e647b12b3dea6b3819

Download Submit
memory/1880-13-0x0000000074A00000-0x00000000750EE000-memory.dmp

Filesize
6.9MB

Download
memory/1880-32-0x0000000074A00000-0x00000000750EE000-memory.dmp

Filesize
6.9MB

Download
memory/1880-16-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1880-15-0x0000000074A00000-0x00000000750EE000-memory.dmp

Filesize
6.9MB

Download
memory/1880-12-0x0000000000DC0000-0x0000000000E24000-memory.dmp

Filesize
400KB

Download
memory/1980-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1980-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1980-37-0x00000000006D0000-0x00000000006DA000-memory.dmp

Filesize
40KB

Download
memory/1980-36-0x00000000008D0000-0x00000000008EE000-memory.dmp

Filesize
120KB

Download
memory/1980-35-0x0000000000670000-0x000000000067A000-memory.dmp

Filesize
40KB

Download
memory/1980-31-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1980-29-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1980-26-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1980-24-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1980-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1980-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2132-0-0x0000000074A0E000-0x0000000074A0F000-memory.dmp

Filesize
4KB

Download
memory/2132-11-0x0000000074A00000-0x00000000750EE000-memory.dmp

Filesize
6.9MB

Download
memory/2132-1-0x00000000009E0000-0x0000000000A44000-memory.dmp

Filesize
400KB

Download
memory/2132-2-0x00000000001E0000-0x00000000001E8000-memory.dmp

Filesize
32KB

Download
memory/2132-3-0x0000000000290000-0x0000000000298000-memory.dmp

Filesize
32KB

Download
memory/2132-14-0x0000000074A00000-0x00000000750EE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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