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

Checks computer location settings 2 TTPs 1 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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	0eb9815e16711d88796c48c1913422f2_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
2668	家席的行泽行的.exe
4344	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-1-5-21-523280732-2327480845-3730041215-1000\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\DSL Service = "C:\\Program Files (x86)\\DSL Service\\dslsv.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 2668 set thread context of 4344	2668	家席的行泽行的.exe	83

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\DSL Service\dslsv.exe	家席的行泽行的.exe
File opened for modification	C:\Program Files (x86)\DSL Service\dslsv.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	0eb9815e16711d88796c48c1913422f2_JaffaCakes118.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	家席的行泽行的.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4344	家席的行泽行的.exe
4344	家席的行泽行的.exe
4344	家席的行泽行的.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4344	家席的行泽行的.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4196	0eb9815e16711d88796c48c1913422f2_JaffaCakes118.exe
Token: SeDebugPrivilege	2668	家席的行泽行的.exe
Token: SeDebugPrivilege	4344	家席的行泽行的.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4196 wrote to memory of 2668	4196	0eb9815e16711d88796c48c1913422f2_JaffaCakes118.exe	82
PID 4196 wrote to memory of 2668	4196	0eb9815e16711d88796c48c1913422f2_JaffaCakes118.exe	82
PID 4196 wrote to memory of 2668	4196	0eb9815e16711d88796c48c1913422f2_JaffaCakes118.exe	82
PID 2668 wrote to memory of 4344	2668	家席的行泽行的.exe	83
PID 2668 wrote to memory of 4344	2668	家席的行泽行的.exe	83
PID 2668 wrote to memory of 4344	2668	家席的行泽行的.exe	83
PID 2668 wrote to memory of 4344	2668	家席的行泽行的.exe	83
PID 2668 wrote to memory of 4344	2668	家席的行泽行的.exe	83
PID 2668 wrote to memory of 4344	2668	家席的行泽行的.exe	83
PID 2668 wrote to memory of 4344	2668	家席的行泽行的.exe	83
PID 2668 wrote to memory of 4344	2668	家席的行泽行的.exe	83

C:\Users\Admin\AppData\Local\Temp\0eb9815e16711d88796c48c1913422f2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0eb9815e16711d88796c48c1913422f2_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4196
- 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
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2668
- - 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:4344

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\Local\Microsoft\CLR_v4.0_32\UsageLogs\家席的行泽行的.exe.log

Filesize
813B

MD5
d7d74b6725d5d38e40a57ad339a78bbb

SHA1
5c45a508ed1bf04df70916ab1560370eb761cebf

SHA256
4d38aa398b4a38109f7c47cc068dcde0121899ecc0fbcd0b71fdec1ab1552e41

SHA512
8f4e34ad94d675d7bc46fbe7d9e11b335df76b0c7645f9bbbae6db072177088c151337a1e3815996caa948a7d6b12ac915bd10d2b2c6146f651881280e57627c

Download Submit
C:\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/2668-30-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/2668-22-0x0000000004AA0000-0x0000000004AAA000-memory.dmp

Filesize
40KB

Download
memory/2668-21-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/2668-20-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/4196-6-0x00000000057F0000-0x00000000057F8000-memory.dmp

Filesize
32KB

Download
memory/4196-0-0x000000007464E000-0x000000007464F000-memory.dmp

Filesize
4KB

Download
memory/4196-19-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/4196-5-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/4196-4-0x00000000032D0000-0x00000000032D8000-memory.dmp

Filesize
32KB

Download
memory/4196-3-0x0000000005910000-0x00000000059AC000-memory.dmp

Filesize
624KB

Download
memory/4196-2-0x0000000005DE0000-0x0000000006384000-memory.dmp

Filesize
5.6MB

Download
memory/4196-1-0x0000000000EA0000-0x0000000000F04000-memory.dmp

Filesize
400KB

Download
memory/4344-28-0x0000000004F40000-0x0000000004FD2000-memory.dmp

Filesize
584KB

Download
memory/4344-27-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/4344-29-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/4344-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4344-31-0x0000000004F00000-0x0000000004F0A000-memory.dmp

Filesize
40KB

Download
memory/4344-34-0x0000000005000000-0x000000000500A000-memory.dmp

Filesize
40KB

Download
memory/4344-35-0x00000000051F0000-0x000000000520E000-memory.dmp

Filesize
120KB

Download
memory/4344-36-0x0000000005DE0000-0x0000000005DEA000-memory.dmp

Filesize
40KB

Download
memory/4344-37-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/4344-38-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads