nanocore | 33e4909aab4cdcf2a122992cc468dcd23fbd830703cb0ec273cb85e16a05478b

Analysis

max time kernel
146s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
30/08/2022, 06:21

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General

Target
a0ef2dbcc8cbebbd258ae9c4cf1c2323.exe
Size 695KB
Sample220830-g4btjachgr
SHA256 33e4909aab4cdcf2a122992cc468dcd23fbd830703cb0ec273cb85e16a05478b
MD5 a0ef2dbcc8cbebbd258ae9c4cf1c2323
SHA1 253aee4ab5de177d042aa98aa67641e8f6b50ce1
SHA512 4dbb42d45548fe6e13e58715c249d1611a62270083ee0bce6979a73deb27b4cdf4130f525b138782cd52dfaed4382ff150955bb6b31c09ad37f5e4a29b4113fc
SSDEEP 12288:AkG0F75eK24fnH52g1QxXk0B7uJhu3HonNi/tlXBob+uUVI8f66tstZEV1wz:/dZ51DnH52g1QxXV7ahh29oiuYLm3EVe
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

tzitziklishop.ddns.net:1665

Mutex

1353b0ad-2499-432f-9b11-0b34111cc177

Attributes

activate_away_mode
true
backup_connection_host
tzitziklishop.ddns.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-06-10T06:52:34.128947636Z
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
1665
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
1353b0ad-2499-432f-9b11-0b34111cc177
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
tzitziklishop.ddns.net
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\DOS Host = "C:\\Program Files (x86)\\DOS Host\\doshost.exe"	a0ef2dbcc8cbebbd258ae9c4cf1c2323.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	a0ef2dbcc8cbebbd258ae9c4cf1c2323.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2600 set thread context of 2632	2600	a0ef2dbcc8cbebbd258ae9c4cf1c2323.exe	97

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\DOS Host\doshost.exe	a0ef2dbcc8cbebbd258ae9c4cf1c2323.exe
File opened for modification	C:\Program Files (x86)\DOS Host\doshost.exe	a0ef2dbcc8cbebbd258ae9c4cf1c2323.exe

Creates scheduled task(s) 1 TTPs 2 IoCs

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

persistence

Scheduled Task

T1053

pid	Process
412	schtasks.exe
4208	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2600	a0ef2dbcc8cbebbd258ae9c4cf1c2323.exe
2600	a0ef2dbcc8cbebbd258ae9c4cf1c2323.exe
2632	a0ef2dbcc8cbebbd258ae9c4cf1c2323.exe
2632	a0ef2dbcc8cbebbd258ae9c4cf1c2323.exe
2632	a0ef2dbcc8cbebbd258ae9c4cf1c2323.exe
2632	a0ef2dbcc8cbebbd258ae9c4cf1c2323.exe
2632	a0ef2dbcc8cbebbd258ae9c4cf1c2323.exe
2632	a0ef2dbcc8cbebbd258ae9c4cf1c2323.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2632	a0ef2dbcc8cbebbd258ae9c4cf1c2323.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2600	a0ef2dbcc8cbebbd258ae9c4cf1c2323.exe
Token: SeDebugPrivilege	2632	a0ef2dbcc8cbebbd258ae9c4cf1c2323.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2600	a0ef2dbcc8cbebbd258ae9c4cf1c2323.exe
2600	a0ef2dbcc8cbebbd258ae9c4cf1c2323.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2600 wrote to memory of 1736	2600	a0ef2dbcc8cbebbd258ae9c4cf1c2323.exe	96
PID 2600 wrote to memory of 1736	2600	a0ef2dbcc8cbebbd258ae9c4cf1c2323.exe	96
PID 2600 wrote to memory of 1736	2600	a0ef2dbcc8cbebbd258ae9c4cf1c2323.exe	96
PID 2600 wrote to memory of 2632	2600	a0ef2dbcc8cbebbd258ae9c4cf1c2323.exe	97
PID 2600 wrote to memory of 2632	2600	a0ef2dbcc8cbebbd258ae9c4cf1c2323.exe	97
PID 2600 wrote to memory of 2632	2600	a0ef2dbcc8cbebbd258ae9c4cf1c2323.exe	97
PID 2600 wrote to memory of 2632	2600	a0ef2dbcc8cbebbd258ae9c4cf1c2323.exe	97
PID 2600 wrote to memory of 2632	2600	a0ef2dbcc8cbebbd258ae9c4cf1c2323.exe	97
PID 2600 wrote to memory of 2632	2600	a0ef2dbcc8cbebbd258ae9c4cf1c2323.exe	97
PID 2600 wrote to memory of 2632	2600	a0ef2dbcc8cbebbd258ae9c4cf1c2323.exe	97
PID 2600 wrote to memory of 2632	2600	a0ef2dbcc8cbebbd258ae9c4cf1c2323.exe	97
PID 2632 wrote to memory of 412	2632	a0ef2dbcc8cbebbd258ae9c4cf1c2323.exe	98
PID 2632 wrote to memory of 412	2632	a0ef2dbcc8cbebbd258ae9c4cf1c2323.exe	98
PID 2632 wrote to memory of 412	2632	a0ef2dbcc8cbebbd258ae9c4cf1c2323.exe	98
PID 2632 wrote to memory of 4208	2632	a0ef2dbcc8cbebbd258ae9c4cf1c2323.exe	100
PID 2632 wrote to memory of 4208	2632	a0ef2dbcc8cbebbd258ae9c4cf1c2323.exe	100
PID 2632 wrote to memory of 4208	2632	a0ef2dbcc8cbebbd258ae9c4cf1c2323.exe	100

C:\Users\Admin\AppData\Local\Temp\a0ef2dbcc8cbebbd258ae9c4cf1c2323.exe
"C:\Users\Admin\AppData\Local\Temp\a0ef2dbcc8cbebbd258ae9c4cf1c2323.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2600
- C:\Users\Admin\AppData\Local\Temp\a0ef2dbcc8cbebbd258ae9c4cf1c2323.exe
  "C:\Users\Admin\AppData\Local\Temp\a0ef2dbcc8cbebbd258ae9c4cf1c2323.exe"
  2⤵
  PID:1736
- C:\Users\Admin\AppData\Local\Temp\a0ef2dbcc8cbebbd258ae9c4cf1c2323.exe
  "C:\Users\Admin\AppData\Local\Temp\a0ef2dbcc8cbebbd258ae9c4cf1c2323.exe"
  2⤵
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2632
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "DOS Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmp6FD1.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:412
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "DOS Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp705E.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:4208

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

a0ef2dbcc8cbebbd258ae9c4cf1c2323.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\a0ef2dbcc8cbebbd258ae9c4cf1c2323.exe.log
Size 1KB
SHA256 bd9d5e9f7fe6fcff17d873555d4077d15f7d6cdda1183e7f7d278b735ffe1fd7
MD5 e08f822522c617a40840c62e4b0fb45e
SHA1 ae516dca4da5234be6676d3f234c19ec55725be7
SHA512 894a7fb7bbc18ac6ba13378f58a7db80ad00d6080be9a66b01cae8e23e41d9d2d4cd53c1e20669356b73590c8a3ebfda4bdda3258f81240db56c4a81b7313fe4
MD5 SHA1 SHA512

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tmp6FD1.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp6FD1.tmp
Size 1KB
SHA256 ee29e1e40ddde819d6473e768077a83a08242319eafee9ff34f7c28cec075caa
MD5 069a7380d462a7e68b95d40c048041ed
SHA1 5c2c4120567656a1feb7e1a19cd8cbbcaff869fb
SHA512 0bd8fd42906641a9b0e2b6272d23cff2f3bab707d2b6c8f9695b421d2653d62f5c3f3e4464120a891d877dd064651dbac85570a712dbad4283e12b94d4a3cdf9
MD5 SHA1 SHA512

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tmp705E.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp705E.tmp
Size 1KB
SHA256 edb658b6577a80126eaacdf2a566755b63d7b2438fe0bcf3aea83930036811f3
MD5 e380299eb53398115b7125b2b75c4798
SHA1 ee59b86ea0abf4097ff94bd940521c583803b036
SHA512 d9e3f3b1370fe4fce4a631a5d0669cef34bfe83dec146b606eff562c7cc450639304a732104f425a7ccfdded58064f28a98434a59ed8d93b595d64d1e1a2dde1
MD5 SHA1 SHA512

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memory/2600-137-0x0000000009870000-0x00000000098D6000-memory.dmp

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memory/2600-132-0x0000000000E70000-0x0000000000F24000-memory.dmp

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memory/2600-136-0x00000000084E0000-0x000000000857C000-memory.dmp

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memory/2600-135-0x0000000005970000-0x000000000597A000-memory.dmp

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memory/2600-134-0x00000000058B0000-0x0000000005942000-memory.dmp

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memory/2600-133-0x0000000005F40000-0x00000000064E4000-memory.dmp

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memory/2632-140-0x0000000000400000-0x0000000000438000-memory.dmp

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