nanocore | abca0434af61ccbf707f5ea013f0c5f582106c9701552eeba5e64d678401dfd2

General

Target

JaffaCakes118_1570be9489f6638e20884ea8b262f0a8.exe
Size

300KB
MD5

1570be9489f6638e20884ea8b262f0a8
SHA1

2f627c510f7fc0808d8e06b9b309f934acb439c0
SHA256

abca0434af61ccbf707f5ea013f0c5f582106c9701552eeba5e64d678401dfd2
SHA512

5d7651935e4f7ae6923046c4ee70bff0a9f905ae69485af95fd86d09958db5d298323e4de53268d6252861b1039cc52ea393e51999e9b7e148507729e597abca
SSDEEP

6144:wBlL/cBTySWgMMtHXaqILNcK/GZbGFwCHoLV13fRWP:CeASWgMMI/OGmEQDRWP

Score

10^/10

nanocore discovery evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

178.170.138.163:5626

Mutex

01f9d977-6605-495e-941a-753d3cd6dc0b

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-02-27T13:54:38.807349736Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
true
connect_delay
4000
connection_port
5626
default_group
4Maticross.
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
01f9d977-6605-495e-941a-753d3cd6dc0b
mutex_timeout
5000
prevent_system_sleep
true
primary_connection_host
178.170.138.163
primary_dns_server
8.8.8.8
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

Loads dropped DLL 1 IoCs

pid	Process
2280	JaffaCakes118_1570be9489f6638e20884ea8b262f0a8.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	JaffaCakes118_1570be9489f6638e20884ea8b262f0a8.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2280 set thread context of 2440	2280	JaffaCakes118_1570be9489f6638e20884ea8b262f0a8.exe	29

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 2 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	JaffaCakes118_1570be9489f6638e20884ea8b262f0a8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_1570be9489f6638e20884ea8b262f0a8.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2440	JaffaCakes118_1570be9489f6638e20884ea8b262f0a8.exe
2440	JaffaCakes118_1570be9489f6638e20884ea8b262f0a8.exe
2440	JaffaCakes118_1570be9489f6638e20884ea8b262f0a8.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2440	JaffaCakes118_1570be9489f6638e20884ea8b262f0a8.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2440	JaffaCakes118_1570be9489f6638e20884ea8b262f0a8.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2280 wrote to memory of 2440	2280	JaffaCakes118_1570be9489f6638e20884ea8b262f0a8.exe	29
PID 2280 wrote to memory of 2440	2280	JaffaCakes118_1570be9489f6638e20884ea8b262f0a8.exe	29
PID 2280 wrote to memory of 2440	2280	JaffaCakes118_1570be9489f6638e20884ea8b262f0a8.exe	29
PID 2280 wrote to memory of 2440	2280	JaffaCakes118_1570be9489f6638e20884ea8b262f0a8.exe	29
PID 2280 wrote to memory of 2440	2280	JaffaCakes118_1570be9489f6638e20884ea8b262f0a8.exe	29
PID 2280 wrote to memory of 2440	2280	JaffaCakes118_1570be9489f6638e20884ea8b262f0a8.exe	29
PID 2280 wrote to memory of 2440	2280	JaffaCakes118_1570be9489f6638e20884ea8b262f0a8.exe	29
PID 2280 wrote to memory of 2440	2280	JaffaCakes118_1570be9489f6638e20884ea8b262f0a8.exe	29
PID 2280 wrote to memory of 2440	2280	JaffaCakes118_1570be9489f6638e20884ea8b262f0a8.exe	29
PID 2280 wrote to memory of 2440	2280	JaffaCakes118_1570be9489f6638e20884ea8b262f0a8.exe	29
PID 2280 wrote to memory of 2440	2280	JaffaCakes118_1570be9489f6638e20884ea8b262f0a8.exe	29

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1570be9489f6638e20884ea8b262f0a8.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1570be9489f6638e20884ea8b262f0a8.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2280
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1570be9489f6638e20884ea8b262f0a8.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1570be9489f6638e20884ea8b262f0a8.exe"
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:2440

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

C:\Users\Admin\AppData\Local\Temp\nsz1DDE.tmp\hxgll.dll

Filesize
49KB

MD5
6aee0715f2773579719c70bcbd2eddaf

SHA1
1e378c3e71b2184ce3b0fe97176f9b8c0d3d04df

SHA256
3479563cfd7304bb2d59c5b0ce3ec754a0ac915d147a73f8f577e4a5f4c6dcb7

SHA512
4aed1dd163ca3454dc6e327a6a2feebae1cfd2da632ec20fca98c85825fc838ae3e318528b5774e65008fd1bcbabb1d0bcf29a1855a5498d555644876521813e

Download Submit
memory/2280-8-0x00000000751CC000-0x00000000751CE000-memory.dmp

Filesize
8KB

Download
memory/2440-9-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2440-11-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2440-12-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download

Analysis

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