nanocore | b56fcfe2487e1acd67163ca50b4d05d793557d927971675a09f1a5bcfa8464cb

General

Target

b3ac1d448ec0c1a677e30b26a02cf525.exe
Size

992KB
MD5

b3ac1d448ec0c1a677e30b26a02cf525
SHA1

7ac37e6d210fd713a350fbc5920d523404397b86
SHA256

b56fcfe2487e1acd67163ca50b4d05d793557d927971675a09f1a5bcfa8464cb
SHA512

6169b2b7520af1898d074b4ecee84c19b070f9e1b05349605e4442d42c183c43b97abb10198893eff6b30dfabe87920ab676c70a300c9682e27ea8dd3e638846
SSDEEP

12288:DtE1YG6m3qToJq0Kw2Yh3ZCZV4upfn98ZQ/O1NL4I3VTK0bOT0NRHl:DtE1xOk4vw2m5o/98S/OfDFOp

Score

10^/10

nanocore keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

1116.hopto.org:1116

185.140.53.9:1116

Mutex

909dcd33-e0d7-4bd0-87b2-b7fd2611b6b9

Attributes

activate_away_mode
true
backup_connection_host
185.140.53.9
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-02-16T08:43:19.524585136Z
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
1116
default_group
1116
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
909dcd33-e0d7-4bd0-87b2-b7fd2611b6b9
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
1116.hopto.org
primary_dns_server
8.8.8.8
request_elevation
true
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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\DSL Subsystem = "C:\\Program Files (x86)\\DSL Subsystem\\dslss.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1088 set thread context of 460	1088	b3ac1d448ec0c1a677e30b26a02cf525.exe	30

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\DSL Subsystem\dslss.exe	RegSvcs.exe
File created	C:\Program Files (x86)\DSL Subsystem\dslss.exe	RegSvcs.exe

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 3 IoCs

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

persistence

Scheduled Task

T1053

pid	Process
580	schtasks.exe
868	schtasks.exe
1532	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
460	RegSvcs.exe
460	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
460	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	460	RegSvcs.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 1088 wrote to memory of 580	1088	b3ac1d448ec0c1a677e30b26a02cf525.exe	28
PID 1088 wrote to memory of 580	1088	b3ac1d448ec0c1a677e30b26a02cf525.exe	28
PID 1088 wrote to memory of 580	1088	b3ac1d448ec0c1a677e30b26a02cf525.exe	28
PID 1088 wrote to memory of 580	1088	b3ac1d448ec0c1a677e30b26a02cf525.exe	28
PID 1088 wrote to memory of 460	1088	b3ac1d448ec0c1a677e30b26a02cf525.exe	30
PID 1088 wrote to memory of 460	1088	b3ac1d448ec0c1a677e30b26a02cf525.exe	30
PID 1088 wrote to memory of 460	1088	b3ac1d448ec0c1a677e30b26a02cf525.exe	30
PID 1088 wrote to memory of 460	1088	b3ac1d448ec0c1a677e30b26a02cf525.exe	30
PID 1088 wrote to memory of 460	1088	b3ac1d448ec0c1a677e30b26a02cf525.exe	30
PID 1088 wrote to memory of 460	1088	b3ac1d448ec0c1a677e30b26a02cf525.exe	30
PID 1088 wrote to memory of 460	1088	b3ac1d448ec0c1a677e30b26a02cf525.exe	30
PID 1088 wrote to memory of 460	1088	b3ac1d448ec0c1a677e30b26a02cf525.exe	30
PID 1088 wrote to memory of 460	1088	b3ac1d448ec0c1a677e30b26a02cf525.exe	30
PID 1088 wrote to memory of 460	1088	b3ac1d448ec0c1a677e30b26a02cf525.exe	30
PID 1088 wrote to memory of 460	1088	b3ac1d448ec0c1a677e30b26a02cf525.exe	30
PID 1088 wrote to memory of 460	1088	b3ac1d448ec0c1a677e30b26a02cf525.exe	30
PID 460 wrote to memory of 868	460	RegSvcs.exe	31
PID 460 wrote to memory of 868	460	RegSvcs.exe	31
PID 460 wrote to memory of 868	460	RegSvcs.exe	31
PID 460 wrote to memory of 868	460	RegSvcs.exe	31
PID 460 wrote to memory of 1532	460	RegSvcs.exe	33
PID 460 wrote to memory of 1532	460	RegSvcs.exe	33
PID 460 wrote to memory of 1532	460	RegSvcs.exe	33
PID 460 wrote to memory of 1532	460	RegSvcs.exe	33

C:\Users\Admin\AppData\Local\Temp\b3ac1d448ec0c1a677e30b26a02cf525.exe
"C:\Users\Admin\AppData\Local\Temp\b3ac1d448ec0c1a677e30b26a02cf525.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1088
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qPUTVS" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD7E9.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:580
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  - Adds Run key to start application
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:460
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "DSL Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmpDD26.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:868
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "DSL Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpDEAD.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:1532

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpD7E9.tmp

Filesize
1KB

MD5
64878bdfe21ac908ac5396d408027686

SHA1
fd02cfb3f027087d56e50542fc20b2731f52fe02

SHA256
6a71dc6b9f69a565f7e4e760391067b9160a2e265f7ae0957de5e818e7d251f8

SHA512
d7b87b3aaf48cee15e9e896c9b62f9ea5d9a34bee436cdb75f2e68e3195c09bc9d2aa45518d667d90aae8a83fbd8bf52e425083b1893a18097fd915f9629e9b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpDD26.tmp

Filesize
1KB

MD5
8cad1b41587ced0f1e74396794f31d58

SHA1
11054bf74fcf5e8e412768035e4dae43aa7b710f

SHA256
3086d914f6b23268f8a12cb1a05516cd5465c2577e1d1e449f1b45c8e5e8f83c

SHA512
99c2ef89029de51a866df932841684b7fc912df21e10e2dd0d09e400203bbdc6cba6319a31780b7bf8b286d2cea8ea3fc7d084348bf2f002ab4f5a34218ccbef

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

Filesize
1KB

MD5
cc41562853d473a6d8785f7887ed523f

SHA1
5be25b133c7a5cbc1b240822e87f3cbe94aaa312

SHA256
a259d5fb27ddfee2968c9b1c1346121934b35bda37f9f446e9470a72cb95c2b7

SHA512
678c59e91d604607c7a3576dcab70eac4fb6af40d9f9db799a7a9fee67a1dd306a1a8b3bc4885e46fa6ab75970bb37fd62e6dcc66c61c09413d59991f90f12fd

Download Submit
memory/460-66-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/460-72-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/460-86-0x0000000004C40000-0x0000000004C80000-memory.dmp

Filesize
256KB

Download
memory/460-85-0x0000000004C40000-0x0000000004C80000-memory.dmp

Filesize
256KB

Download
memory/460-63-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/460-64-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/460-65-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/460-67-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/460-68-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/460-84-0x0000000004C40000-0x0000000004C80000-memory.dmp

Filesize
256KB

Download
memory/460-70-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/460-83-0x0000000000580000-0x000000000058A000-memory.dmp

Filesize
40KB

Download
memory/460-74-0x0000000004C40000-0x0000000004C80000-memory.dmp

Filesize
256KB

Download
memory/460-82-0x0000000000590000-0x00000000005AE000-memory.dmp

Filesize
120KB

Download
memory/460-81-0x0000000000570000-0x000000000057A000-memory.dmp

Filesize
40KB

Download
memory/1088-55-0x0000000000550000-0x0000000000590000-memory.dmp

Filesize
256KB

Download
memory/1088-56-0x0000000000520000-0x0000000000534000-memory.dmp

Filesize
80KB

Download
memory/1088-58-0x0000000005300000-0x000000000538E000-memory.dmp

Filesize
568KB

Download
memory/1088-54-0x00000000010E0000-0x00000000011DE000-memory.dmp

Filesize
1016KB

Download
memory/1088-57-0x0000000000550000-0x0000000000590000-memory.dmp

Filesize
256KB

Download
memory/1088-59-0x0000000001090000-0x00000000010CC000-memory.dmp

Filesize
240KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads