nanocore | b0f85cc7a5a9a1c074f6e738cb8f211645f4550e5864eacd74bf95c34420be8f

Analysis

max time kernel
56s
max time network
165s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
18/01/2023, 14:32

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General

Target
plugmanzx.exe
Size 500KB
Sample230118-rwallsfc71
SHA256 b0f85cc7a5a9a1c074f6e738cb8f211645f4550e5864eacd74bf95c34420be8f
MD5 6f80a1670a8a332bbdef4e702a2e0ca0
SHA1 c248afb72a10856db63faae498daa1ef7e035dcd
SHA512 22d1fc84c26570ac11b56eba6b28cce3721b3f8f23428ecf4a42dd7758c3b747b322d32c8d8302c23a911878f6f94ca93da95c696400b10ee2e2f7f57e768baf
SSDEEP 6144:IYa6rYGS0DVP3MF5OnPNFzD8OUNQmo7lLKGE3oPWZMiQ51jVOG+UMUg+UIAxoztL:IYC9e7DE3SWZhQvUU4+UIso6LXUoCWEt
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

favgrandson7.sytes.net:2500
127.0.0.1:2500

Mutex

f84acc99-4ee4-4bae-b0e7-75cfd51b66bd

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-10-25T18:05:52.427403836Z
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
2500
default_group
JAN132023
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
f84acc99-4ee4-4bae-b0e7-75cfd51b66bd
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
favgrandson7.sytes.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

Executes dropped EXE 2 IoCs

pid	Process
1484	xkdtfpp.exe
992	xkdtfpp.exe

Loads dropped DLL 3 IoCs

pid	Process
1992	plugmanzx.exe
1992	plugmanzx.exe
1484	xkdtfpp.exe

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\ISS Manager = "C:\\Program Files (x86)\\ISS Manager\\issmgr.exe"	xkdtfpp.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	xkdtfpp.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1484 set thread context of 992	1484	xkdtfpp.exe	29

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\ISS Manager\issmgr.exe	xkdtfpp.exe
File opened for modification	C:\Program Files (x86)\ISS Manager\issmgr.exe	xkdtfpp.exe

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

System Information Discovery
T1082

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
1412	schtasks.exe
1528	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
992	xkdtfpp.exe
992	xkdtfpp.exe
992	xkdtfpp.exe
992	xkdtfpp.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
992	xkdtfpp.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1484	xkdtfpp.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	992	xkdtfpp.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1992 wrote to memory of 1484	1992	plugmanzx.exe	28
PID 1992 wrote to memory of 1484	1992	plugmanzx.exe	28
PID 1992 wrote to memory of 1484	1992	plugmanzx.exe	28
PID 1992 wrote to memory of 1484	1992	plugmanzx.exe	28
PID 1484 wrote to memory of 992	1484	xkdtfpp.exe	29
PID 1484 wrote to memory of 992	1484	xkdtfpp.exe	29
PID 1484 wrote to memory of 992	1484	xkdtfpp.exe	29
PID 1484 wrote to memory of 992	1484	xkdtfpp.exe	29
PID 1484 wrote to memory of 992	1484	xkdtfpp.exe	29
PID 992 wrote to memory of 1412	992	xkdtfpp.exe	30
PID 992 wrote to memory of 1412	992	xkdtfpp.exe	30
PID 992 wrote to memory of 1412	992	xkdtfpp.exe	30
PID 992 wrote to memory of 1412	992	xkdtfpp.exe	30
PID 992 wrote to memory of 1528	992	xkdtfpp.exe	32
PID 992 wrote to memory of 1528	992	xkdtfpp.exe	32
PID 992 wrote to memory of 1528	992	xkdtfpp.exe	32
PID 992 wrote to memory of 1528	992	xkdtfpp.exe	32

C:\Users\Admin\AppData\Local\Temp\plugmanzx.exe
"C:\Users\Admin\AppData\Local\Temp\plugmanzx.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1992
- C:\Users\Admin\AppData\Local\Temp\xkdtfpp.exe
  "C:\Users\Admin\AppData\Local\Temp\xkdtfpp.exe" C:\Users\Admin\AppData\Local\Temp\itekcfntio.ibg
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:1484
- - C:\Users\Admin\AppData\Local\Temp\xkdtfpp.exe
    "C:\Users\Admin\AppData\Local\Temp\xkdtfpp.exe"
    3⤵
    - Executes dropped EXE
    - 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:992
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "ISS Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmp33DD.tmp"
      4⤵
      Creates scheduled task(s)
      PID:1412
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "ISS Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp5D4E.tmp"
      4⤵
      Creates scheduled task(s)
      PID:1528

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

itekcfntio.ibg

Path C:\Users\Admin\AppData\Local\Temp\itekcfntio.ibg
Size 5KB
SHA256 1e641c62c90a17f57e7c9301e9f8b1d9d665a3fac5ac5fa172df8b3ca6e9fd23
MD5 ec22fc4167bb686e0a68ad7b0a1fabc1
SHA1 d11ccb36438e4df28af840aad51277e7b2a5ff80
SHA512 c82aaf2c7f1b2448eb15bbc6d30f40836380fca446fb64eea473e581efaa6582a56b4e6e8639cbc844ac3c615b13495d363fbcb060c25398e153d382044c391e
SSDEEP 96:Farc6oYYg/DrYuIGk2XO5oSwsjjcWZ1Nd/UFoK9NeRCV76QdoT1VwDYRnTottC8h:FarcRAAGhX1ShjY+1P/UKlIVWZYOotCg
MD5 SHA1 SHA512 SSDEEP

Submit Download

lmyvqflhp.hxe

Path C:\Users\Admin\AppData\Local\Temp\lmyvqflhp.hxe
Size 301KB
SHA256 2c7c8ed9aaffcf16258841031b37a618c71208a28b1f522a170d3dfead06ab17
MD5 bdb341db4528dc4d476622816ddb30c7
SHA1 d94602b8b3678fd58aba4b865383b0ef806ff15c
SHA512 b65d7bbe3ed4d23e9b44c59b1863bb0b8f5d45abf88eb625431a341e99e9d2618804d88e3bef2c7e73e92505b9d4b82951a3091cc831d396e6e5cd8d69b6b180
SSDEEP 6144:NvFAJdKH/0AWlua1IXva7Lpa21qIygBQzt1OQDmq1txeg1ODiB8O6bV1:NYYPQua1Eva7Lp91ymLQD5tOg6bV1
MD5 SHA1 SHA512 SSDEEP

Submit Download

tmp33DD.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp33DD.tmp
Size 1KB
SHA256 31ef55e1bc19a9f159937e5cd9f5afa1fd51738c6a2eb4991f20bcefa8f96aa7
MD5 2ec0c8df06107b92ab2c5cf03676f9cf
SHA1 6500ac564c9f1aae0bf0c52367d22998709300b8
SHA512 8fa186774d79a1e42f57c80bf22d57d9ee781f8bd78912763e1da3d9c335035065f964be56027c33f508f689034cac12a7175e2f7c1ea1efc80347623326c3e7
MD5 SHA1 SHA512

Submit Download

tmp5D4E.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp5D4E.tmp
Size 1KB
SHA256 5a1ba7b1b91e0bb7aedcfa82dc687972abb31f72ae1613ac586938ef0843f30f
MD5 ea7095fa975a5ac043c9de2899ce61d0
SHA1 ba4e21d0728fb1b4b87006c2e8ceb6109c9046a3
SHA512 b52c8f1b58f263a3d1ad1ef9939167853a5f55033d9ad8976130174c7118407711a0703266c7d2d542bc2ca8119f875e35cc791b9dd70ef83b5310ac1e7cd1cb
MD5 SHA1 SHA512

Submit Download

xkdtfpp.exe

Path C:\Users\Admin\AppData\Local\Temp\xkdtfpp.exe
Size 53KB
SHA256 7b4d76769e110500e056421d445df15616f0dd3d6b083c113d44b29a3594ed4f
MD5 0372353b017b01081530bca2df1e8bd2
SHA1 6d687798373ebc324d5e4578e75bc98b07954776
SHA512 afba17a093a91afc30253f16e9881004e300af60d26d58d0e1fbb490bf834d6b61ec3c4abbd7a598dbe00eae46e1b9321305354cee892fc1c344da9845b3c128
SSDEEP 768:caROViBz49ciDWLqybzGJDzKr1LIlqIQAHa96to+6NO8Ji5:vOezjLqynGD6oqgHalF05
MD5 SHA1 SHA512 SSDEEP

Submit Download

xkdtfpp.exe

Path C:\Users\Admin\AppData\Local\Temp\xkdtfpp.exe
Size 53KB
SHA256 7b4d76769e110500e056421d445df15616f0dd3d6b083c113d44b29a3594ed4f
MD5 0372353b017b01081530bca2df1e8bd2
SHA1 6d687798373ebc324d5e4578e75bc98b07954776
SHA512 afba17a093a91afc30253f16e9881004e300af60d26d58d0e1fbb490bf834d6b61ec3c4abbd7a598dbe00eae46e1b9321305354cee892fc1c344da9845b3c128
SSDEEP 768:caROViBz49ciDWLqybzGJDzKr1LIlqIQAHa96to+6NO8Ji5:vOezjLqynGD6oqgHalF05
MD5 SHA1 SHA512 SSDEEP

Submit Download

xkdtfpp.exe

Path C:\Users\Admin\AppData\Local\Temp\xkdtfpp.exe
Size 53KB
SHA256 7b4d76769e110500e056421d445df15616f0dd3d6b083c113d44b29a3594ed4f
MD5 0372353b017b01081530bca2df1e8bd2
SHA1 6d687798373ebc324d5e4578e75bc98b07954776
SHA512 afba17a093a91afc30253f16e9881004e300af60d26d58d0e1fbb490bf834d6b61ec3c4abbd7a598dbe00eae46e1b9321305354cee892fc1c344da9845b3c128
SSDEEP 768:caROViBz49ciDWLqybzGJDzKr1LIlqIQAHa96to+6NO8Ji5:vOezjLqynGD6oqgHalF05
MD5 SHA1 SHA512 SSDEEP

Submit Download

xkdtfpp.exe

Path \Users\Admin\AppData\Local\Temp\xkdtfpp.exe
Size 53KB
SHA256 7b4d76769e110500e056421d445df15616f0dd3d6b083c113d44b29a3594ed4f
MD5 0372353b017b01081530bca2df1e8bd2
SHA1 6d687798373ebc324d5e4578e75bc98b07954776
SHA512 afba17a093a91afc30253f16e9881004e300af60d26d58d0e1fbb490bf834d6b61ec3c4abbd7a598dbe00eae46e1b9321305354cee892fc1c344da9845b3c128
SSDEEP 768:caROViBz49ciDWLqybzGJDzKr1LIlqIQAHa96to+6NO8Ji5:vOezjLqynGD6oqgHalF05
MD5 SHA1 SHA512 SSDEEP

Submit Download

xkdtfpp.exe

Path \Users\Admin\AppData\Local\Temp\xkdtfpp.exe
Size 53KB
SHA256 7b4d76769e110500e056421d445df15616f0dd3d6b083c113d44b29a3594ed4f
MD5 0372353b017b01081530bca2df1e8bd2
SHA1 6d687798373ebc324d5e4578e75bc98b07954776
SHA512 afba17a093a91afc30253f16e9881004e300af60d26d58d0e1fbb490bf834d6b61ec3c4abbd7a598dbe00eae46e1b9321305354cee892fc1c344da9845b3c128
SSDEEP 768:caROViBz49ciDWLqybzGJDzKr1LIlqIQAHa96to+6NO8Ji5:vOezjLqynGD6oqgHalF05
MD5 SHA1 SHA512 SSDEEP

Submit Download

xkdtfpp.exe

Path \Users\Admin\AppData\Local\Temp\xkdtfpp.exe
Size 53KB
SHA256 7b4d76769e110500e056421d445df15616f0dd3d6b083c113d44b29a3594ed4f
MD5 0372353b017b01081530bca2df1e8bd2
SHA1 6d687798373ebc324d5e4578e75bc98b07954776
SHA512 afba17a093a91afc30253f16e9881004e300af60d26d58d0e1fbb490bf834d6b61ec3c4abbd7a598dbe00eae46e1b9321305354cee892fc1c344da9845b3c128
SSDEEP 768:caROViBz49ciDWLqybzGJDzKr1LIlqIQAHa96to+6NO8Ji5:vOezjLqynGD6oqgHalF05
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/992-82-0x0000000005830000-0x0000000005844000-memory.dmp

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memory/992-81-0x0000000005820000-0x000000000582C000-memory.dmp

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memory/992-68-0x0000000000400000-0x000000000044A000-memory.dmp

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memory/992-87-0x00000000058B0000-0x00000000058C4000-memory.dmp

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memory/992-85-0x0000000005860000-0x000000000586E000-memory.dmp

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memory/992-86-0x0000000005880000-0x00000000058AE000-memory.dmp

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memory/992-84-0x0000000005850000-0x0000000005864000-memory.dmp

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memory/992-73-0x0000000001FE0000-0x0000000001FEA000-memory.dmp

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memory/992-74-0x00000000049E0000-0x00000000049FE000-memory.dmp

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memory/992-80-0x0000000005810000-0x000000000581E000-memory.dmp

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memory/992-67-0x0000000004460000-0x0000000004498000-memory.dmp

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memory/992-77-0x0000000005430000-0x000000000544A000-memory.dmp

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memory/992-75-0x0000000004F70000-0x0000000004F7A000-memory.dmp

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memory/992-79-0x0000000005800000-0x0000000005812000-memory.dmp

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memory/992-78-0x0000000005460000-0x000000000546E000-memory.dmp

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memory/992-76-0x00000000052E0000-0x00000000052F2000-memory.dmp

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memory/992-83-0x0000000005840000-0x0000000005850000-memory.dmp

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memory/1992-54-0x00000000752B1000-0x00000000752B3000-memory.dmp

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