nanocore | 7b753fd8de9e96827df035f1d69ee8efa593a8e6a048e5aaad113c1b1bb5adbe

General

Target

7b753fd8de9e96827df035f1d69ee8efa593a8e6a048e5aaad113c1b1bb5adbe.exe
Size

682KB
MD5

3f444c1d28cd5bd308d860b5e118f1a1
SHA1

2b5bd0cdea2f51251f082a059220c5c11515e495
SHA256

7b753fd8de9e96827df035f1d69ee8efa593a8e6a048e5aaad113c1b1bb5adbe
SHA512

859909be14a4b68f599d543485cf9b6a5e29bd053f1c1b4ba852afd08017884066bb861fa1f111f0b89b30a4a6fa25cafbd672540650c876e0e0bcef0a137cbd
SSDEEP

12288:Veezo4rQ7otxmQB4r3/fuNXat1Idh+t74g8qKYgi74m241FMA7h+0bAbJzA:LQo71O/caIH+tKqKy74jA

Score

10^/10

nanocore discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

fredrchmn.duckdns.org:7788

Mutex

f09b885f-e168-4a65-b204-d7370430fd19

Attributes

activate_away_mode
true
backup_connection_host
fredrchmn.duckdns.org
backup_dns_server
buffer_size
65535
build_time
2021-03-06T05:27:19.753914436Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
true
connect_delay
4000
connection_port
7788
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
f09b885f-e168-4a65-b204-d7370430fd19
mutex_timeout
5000
prevent_system_sleep
true
primary_connection_host
fredrchmn.duckdns.org
primary_dns_server
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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2820 set thread context of 2928	2820	7b753fd8de9e96827df035f1d69ee8efa593a8e6a048e5aaad113c1b1bb5adbe.exe	32

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	7b753fd8de9e96827df035f1d69ee8efa593a8e6a048e5aaad113c1b1bb5adbe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

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
3028	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2928	RegSvcs.exe
2928	RegSvcs.exe
2928	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2928	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2928	RegSvcs.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2820 wrote to memory of 3028	2820	7b753fd8de9e96827df035f1d69ee8efa593a8e6a048e5aaad113c1b1bb5adbe.exe	30
PID 2820 wrote to memory of 3028	2820	7b753fd8de9e96827df035f1d69ee8efa593a8e6a048e5aaad113c1b1bb5adbe.exe	30
PID 2820 wrote to memory of 3028	2820	7b753fd8de9e96827df035f1d69ee8efa593a8e6a048e5aaad113c1b1bb5adbe.exe	30
PID 2820 wrote to memory of 3028	2820	7b753fd8de9e96827df035f1d69ee8efa593a8e6a048e5aaad113c1b1bb5adbe.exe	30
PID 2820 wrote to memory of 2928	2820	7b753fd8de9e96827df035f1d69ee8efa593a8e6a048e5aaad113c1b1bb5adbe.exe	32
PID 2820 wrote to memory of 2928	2820	7b753fd8de9e96827df035f1d69ee8efa593a8e6a048e5aaad113c1b1bb5adbe.exe	32
PID 2820 wrote to memory of 2928	2820	7b753fd8de9e96827df035f1d69ee8efa593a8e6a048e5aaad113c1b1bb5adbe.exe	32
PID 2820 wrote to memory of 2928	2820	7b753fd8de9e96827df035f1d69ee8efa593a8e6a048e5aaad113c1b1bb5adbe.exe	32
PID 2820 wrote to memory of 2928	2820	7b753fd8de9e96827df035f1d69ee8efa593a8e6a048e5aaad113c1b1bb5adbe.exe	32
PID 2820 wrote to memory of 2928	2820	7b753fd8de9e96827df035f1d69ee8efa593a8e6a048e5aaad113c1b1bb5adbe.exe	32
PID 2820 wrote to memory of 2928	2820	7b753fd8de9e96827df035f1d69ee8efa593a8e6a048e5aaad113c1b1bb5adbe.exe	32
PID 2820 wrote to memory of 2928	2820	7b753fd8de9e96827df035f1d69ee8efa593a8e6a048e5aaad113c1b1bb5adbe.exe	32
PID 2820 wrote to memory of 2928	2820	7b753fd8de9e96827df035f1d69ee8efa593a8e6a048e5aaad113c1b1bb5adbe.exe	32
PID 2820 wrote to memory of 2928	2820	7b753fd8de9e96827df035f1d69ee8efa593a8e6a048e5aaad113c1b1bb5adbe.exe	32
PID 2820 wrote to memory of 2928	2820	7b753fd8de9e96827df035f1d69ee8efa593a8e6a048e5aaad113c1b1bb5adbe.exe	32
PID 2820 wrote to memory of 2928	2820	7b753fd8de9e96827df035f1d69ee8efa593a8e6a048e5aaad113c1b1bb5adbe.exe	32

C:\Users\Admin\AppData\Local\Temp\7b753fd8de9e96827df035f1d69ee8efa593a8e6a048e5aaad113c1b1bb5adbe.exe
"C:\Users\Admin\AppData\Local\Temp\7b753fd8de9e96827df035f1d69ee8efa593a8e6a048e5aaad113c1b1bb5adbe.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2820
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\adwOuvuzR" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4E3F.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3028
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:2928

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

System Information Discovery

1

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\tmp4E3F.tmp

Filesize
1KB

MD5
0ffd81f6b70e9b24a5bf044b98442b77

SHA1
bb98efb192c37c5149df3020493527dc72718be8

SHA256
576887a7b9237155e036175c7be47be03ad8b6ef267fa689d799509c1f7ce1d7

SHA512
b1ddb2b53480078b77b78b4406aa2d664dbdb5216fce1b1cceeb98e552622882d907b93b8731258bc97826d2d1609a7040d87e54cb9a2797d3388d84e48f4e76

Download Submit
memory/2820-0-0x0000000074D4E000-0x0000000074D4F000-memory.dmp

Filesize
4KB

Download
memory/2820-1-0x0000000000220000-0x00000000002D0000-memory.dmp

Filesize
704KB

Download
memory/2820-2-0x0000000074D40000-0x000000007542E000-memory.dmp

Filesize
6.9MB

Download
memory/2820-3-0x00000000002D0000-0x00000000002D8000-memory.dmp

Filesize
32KB

Download
memory/2820-4-0x0000000074D4E000-0x0000000074D4F000-memory.dmp

Filesize
4KB

Download
memory/2820-5-0x0000000074D40000-0x000000007542E000-memory.dmp

Filesize
6.9MB

Download
memory/2820-6-0x0000000005840000-0x00000000058E8000-memory.dmp

Filesize
672KB

Download
memory/2820-7-0x0000000004940000-0x0000000004998000-memory.dmp

Filesize
352KB

Download
memory/2820-22-0x0000000074D40000-0x000000007542E000-memory.dmp

Filesize
6.9MB

Download
memory/2928-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2928-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2928-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2928-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2928-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2928-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2928-23-0x0000000074D40000-0x000000007542E000-memory.dmp

Filesize
6.9MB

Download
memory/2928-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2928-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2928-24-0x0000000074D40000-0x000000007542E000-memory.dmp

Filesize
6.9MB

Download
memory/2928-26-0x00000000004F0000-0x00000000004FA000-memory.dmp

Filesize
40KB

Download
memory/2928-27-0x0000000000890000-0x00000000008AE000-memory.dmp

Filesize
120KB

Download
memory/2928-28-0x0000000000510000-0x000000000051A000-memory.dmp

Filesize
40KB

Download
memory/2928-29-0x0000000074D40000-0x000000007542E000-memory.dmp

Filesize
6.9MB

Download
memory/2928-30-0x0000000074D40000-0x000000007542E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads