b0876b8da9dcb8a3b22d2cbf2b6a4711.exe

General
Target

b0876b8da9dcb8a3b22d2cbf2b6a4711.exe

Size

552KB

Sample

210722-ds685r4vn6

Score
10 /10
MD5

b0876b8da9dcb8a3b22d2cbf2b6a4711

SHA1

80e619da78e64bf6845f284c50bfacf17c55a274

SHA256

d6215a4b16d74db6dafc28a78f15885de77570347acfbac416f18b223ba08e26

SHA512

3b52e3aba69434d0b13e26b359f28493c303593bfdb254d86d3f91f7bfde8f318bb11ffb3a9ee26547ee389ef181eb61e863e2060f2a950f6ebf0af94d26a146

Malware Config

Extracted

Family nanocore
Version 1.2.2.0
C2

asweee.jumpingcrab.com:8234

tryweaswweee.ydns.eu:8234

Attributes
activate_away_mode
true
backup_connection_host
tryweaswweee.ydns.eu
backup_dns_server
tryweaswweee.ydns.eu
buffer_size
65535
build_time
2021-05-02T14:48:34.703881636Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
8234
default_group
AUGUST
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
0bb207a5-6f92-4ff1-abb5-35e0dc25fe5d
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
asweee.jumpingcrab.com
primary_dns_server
asweee.jumpingcrab.com
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
Targets
Target

b0876b8da9dcb8a3b22d2cbf2b6a4711.exe

MD5

b0876b8da9dcb8a3b22d2cbf2b6a4711

Filesize

552KB

Score
10 /10
SHA1

80e619da78e64bf6845f284c50bfacf17c55a274

SHA256

d6215a4b16d74db6dafc28a78f15885de77570347acfbac416f18b223ba08e26

SHA512

3b52e3aba69434d0b13e26b359f28493c303593bfdb254d86d3f91f7bfde8f318bb11ffb3a9ee26547ee389ef181eb61e863e2060f2a950f6ebf0af94d26a146

Tags

Signatures

  • NanoCore

    Description

    NanoCore is a remote access tool (RAT) with a variety of capabilities.

    Tags

  • Checks whether UAC is enabled

    Tags

    TTPs

    System Information Discovery
  • Suspicious use of SetThreadContext

Related Tasks

MITRE ATT&CK Matrix
Collection
    Command and Control
      Credential Access
        Defense Evasion
          Execution
            Exfiltration
              Impact
                Initial Access
                  Lateral Movement
                    Persistence
                    Privilege Escalation