nanocore | 833329e27f6b61435fd495bc802a5a7b799b938214e6642dbc34d8c97d86e2b6

General

Target

33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe
Size

577KB
MD5

33dad009c342fd7c36dcd487924831af
SHA1

b63ee13bef92e529234265103634839a2268a011
SHA256

833329e27f6b61435fd495bc802a5a7b799b938214e6642dbc34d8c97d86e2b6
SHA512

f5bfa2043f2c41780f45334d624d422a877b1abdfa68d050ac46ad40faba36c955cfa0b05124a3efd32f9768a389cdce352f1565021540e7e97fa562530bc7ae
SSDEEP

12288:dKz6hGRiTGN4WNTBk6aVGplnfT3mp8Ea:FGN4WNOj6nz68

Score

10^/10

nanocore evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

45.137.22.36:4837

vps.rootlayer.net:4837

Mutex

a34ff911-f69f-4250-a136-9f7dda1ff095

Attributes

activate_away_mode
true
backup_connection_host
vps.rootlayer.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-11-26T04:44:00.669256236Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
4837
default_group
root1
enable_debug_mode
true
gc_threshold
1.048576e+07
keep_alive_timeout
30000
keyboard_logging
true
lan_timeout
2500
max_packet_size
1.048576e+07
mutex
a34ff911-f69f-4250-a136-9f7dda1ff095
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
45.137.22.36
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

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-1-5-21-701583114-2636601053-947405450-1000\Control Panel\International\Geo\Nation	33dad009c342fd7c36dcd487924831af_JaffaCakes118.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	33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4820 set thread context of 228	4820	33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe	87

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

System Information Discovery
T1082

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
3512	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4820	33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe
228	33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe
228	33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe
228	33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
228	33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4820	33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe
Token: SeDebugPrivilege	228	33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4820 wrote to memory of 3512	4820	33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe	85
PID 4820 wrote to memory of 3512	4820	33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe	85
PID 4820 wrote to memory of 3512	4820	33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe	85
PID 4820 wrote to memory of 228	4820	33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe	87
PID 4820 wrote to memory of 228	4820	33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe	87
PID 4820 wrote to memory of 228	4820	33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe	87
PID 4820 wrote to memory of 228	4820	33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe	87
PID 4820 wrote to memory of 228	4820	33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe	87
PID 4820 wrote to memory of 228	4820	33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe	87
PID 4820 wrote to memory of 228	4820	33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe	87
PID 4820 wrote to memory of 228	4820	33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe	87

C:\Users\Admin\AppData\Local\Temp\33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4820
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FCBlysHABADpq" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8023.tmp"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:3512
- C:\Users\Admin\AppData\Local\Temp\33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe"
  2⤵
  - Checks whether UAC is enabled
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:228

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\33dad009c342fd7c36dcd487924831af_JaffaCakes118.exe.log

Filesize
1KB

MD5
17573558c4e714f606f997e5157afaac

SHA1
13e16e9415ceef429aaf124139671ebeca09ed23

SHA256
c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

SHA512
f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8023.tmp

Filesize
1KB

MD5
a5951cf061bd17d685eddd08b87d1017

SHA1
106ab541b65da289c0a0c84820f3f2ae4e528bd7

SHA256
0ef7840becf8015755d9428adce2573011690c61a0cc89983ba125ceb3da9ba8

SHA512
bd6d40aa57db4fefc5b570ca37ceb2e97ba92288091d586d262e18098bd76f695ea36dfef852436a9146725f67400d9257283699fe78a8a83b11ad236a37da8b

Download Submit
memory/228-28-0x0000000075200000-0x00000000759B0000-memory.dmp

Filesize
7.7MB

Download
memory/228-27-0x0000000075200000-0x00000000759B0000-memory.dmp

Filesize
7.7MB

Download
memory/228-26-0x0000000005BB0000-0x0000000005BBA000-memory.dmp

Filesize
40KB

Download
memory/228-25-0x0000000005BC0000-0x0000000005BDE000-memory.dmp

Filesize
120KB

Download
memory/228-24-0x00000000056B0000-0x00000000056BA000-memory.dmp

Filesize
40KB

Download
memory/228-22-0x0000000075200000-0x00000000759B0000-memory.dmp

Filesize
7.7MB

Download
memory/228-21-0x0000000075200000-0x00000000759B0000-memory.dmp

Filesize
7.7MB

Download
memory/228-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4820-10-0x0000000075200000-0x00000000759B0000-memory.dmp

Filesize
7.7MB

Download
memory/4820-11-0x00000000009A0000-0x0000000000A02000-memory.dmp

Filesize
392KB

Download
memory/4820-0-0x000000007520E000-0x000000007520F000-memory.dmp

Filesize
4KB

Download
memory/4820-9-0x000000007520E000-0x000000007520F000-memory.dmp

Filesize
4KB

Download
memory/4820-8-0x0000000004EE0000-0x0000000004EEA000-memory.dmp

Filesize
40KB

Download
memory/4820-20-0x0000000075200000-0x00000000759B0000-memory.dmp

Filesize
7.7MB

Download
memory/4820-7-0x0000000075200000-0x00000000759B0000-memory.dmp

Filesize
7.7MB

Download
memory/4820-6-0x0000000004E30000-0x0000000004E86000-memory.dmp

Filesize
344KB

Download
memory/4820-5-0x0000000004BF0000-0x0000000004BFA000-memory.dmp

Filesize
40KB

Download
memory/4820-4-0x0000000004C30000-0x0000000004CC2000-memory.dmp

Filesize
584KB

Download
memory/4820-3-0x0000000005140000-0x00000000056E4000-memory.dmp

Filesize
5.6MB

Download
memory/4820-2-0x0000000004AF0000-0x0000000004B8C000-memory.dmp

Filesize
624KB

Download
memory/4820-1-0x0000000000100000-0x0000000000196000-memory.dmp

Filesize
600KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads