nanocore | 5190e08cfda839c2805b51a974cee03f9a3f94b1b4175aab07d969a6db167d78

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
16/02/2024, 00:27

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General

Target
9ef71b212d2e3aa4158a46ac412262b8.exe
Size 836KB
Sample240216-arxf5sdb73
SHA256 5190e08cfda839c2805b51a974cee03f9a3f94b1b4175aab07d969a6db167d78
MD5 9ef71b212d2e3aa4158a46ac412262b8
SHA1 ddd5ab00784764158cc4c1c347b38e9e09e7b9ac
SHA512 15826660a0e8ff6bf397f14252b7585ade4de955fd14ecb7d43ed58c824f528241d93dca35ee13b7fd5263751e9acfb572614dd995483944a153197bd1068684
SSDEEP 12288:Aq+YKbaIbP5DoGQgTSX1TLDO+CZT5SqMqywsvD1bhxL1NY8obE+9cyaUVKnp:w1a2VtQzdLDIZNSqMqywsJbhxL1aahp
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

185.244.30.5:11608

Mutex

9be108fa-4122-44ab-ad80-1a3639084db3

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-04-24T13:33:35.556067636Z
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
11608
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
9be108fa-4122-44ab-ad80-1a3639084db3
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
185.244.30.5
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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Control Panel\International\Geo\Nation	9ef71b212d2e3aa4158a46ac412262b8.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DDP Service = "C:\\Program Files (x86)\\DDP Service\\ddpsv.exe"	9ef71b212d2e3aa4158a46ac412262b8.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	9ef71b212d2e3aa4158a46ac412262b8.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4964 set thread context of 2152	4964	9ef71b212d2e3aa4158a46ac412262b8.exe	93

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\DDP Service\ddpsv.exe	9ef71b212d2e3aa4158a46ac412262b8.exe
File opened for modification	C:\Program Files (x86)\DDP Service\ddpsv.exe	9ef71b212d2e3aa4158a46ac412262b8.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/Job

T1053

pid	Process
4060	schtasks.exe
964	schtasks.exe
452	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4964	9ef71b212d2e3aa4158a46ac412262b8.exe
2152	9ef71b212d2e3aa4158a46ac412262b8.exe
2152	9ef71b212d2e3aa4158a46ac412262b8.exe
2152	9ef71b212d2e3aa4158a46ac412262b8.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2152	9ef71b212d2e3aa4158a46ac412262b8.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4964	9ef71b212d2e3aa4158a46ac412262b8.exe
Token: SeDebugPrivilege	2152	9ef71b212d2e3aa4158a46ac412262b8.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 4964 wrote to memory of 4060	4964	9ef71b212d2e3aa4158a46ac412262b8.exe	91
PID 4964 wrote to memory of 4060	4964	9ef71b212d2e3aa4158a46ac412262b8.exe	91
PID 4964 wrote to memory of 4060	4964	9ef71b212d2e3aa4158a46ac412262b8.exe	91
PID 4964 wrote to memory of 2152	4964	9ef71b212d2e3aa4158a46ac412262b8.exe	93
PID 4964 wrote to memory of 2152	4964	9ef71b212d2e3aa4158a46ac412262b8.exe	93
PID 4964 wrote to memory of 2152	4964	9ef71b212d2e3aa4158a46ac412262b8.exe	93
PID 4964 wrote to memory of 2152	4964	9ef71b212d2e3aa4158a46ac412262b8.exe	93
PID 4964 wrote to memory of 2152	4964	9ef71b212d2e3aa4158a46ac412262b8.exe	93
PID 4964 wrote to memory of 2152	4964	9ef71b212d2e3aa4158a46ac412262b8.exe	93
PID 4964 wrote to memory of 2152	4964	9ef71b212d2e3aa4158a46ac412262b8.exe	93
PID 4964 wrote to memory of 2152	4964	9ef71b212d2e3aa4158a46ac412262b8.exe	93
PID 2152 wrote to memory of 964	2152	9ef71b212d2e3aa4158a46ac412262b8.exe	94
PID 2152 wrote to memory of 964	2152	9ef71b212d2e3aa4158a46ac412262b8.exe	94
PID 2152 wrote to memory of 964	2152	9ef71b212d2e3aa4158a46ac412262b8.exe	94
PID 2152 wrote to memory of 452	2152	9ef71b212d2e3aa4158a46ac412262b8.exe	97
PID 2152 wrote to memory of 452	2152	9ef71b212d2e3aa4158a46ac412262b8.exe	97
PID 2152 wrote to memory of 452	2152	9ef71b212d2e3aa4158a46ac412262b8.exe	97

C:\Users\Admin\AppData\Local\Temp\9ef71b212d2e3aa4158a46ac412262b8.exe
"C:\Users\Admin\AppData\Local\Temp\9ef71b212d2e3aa4158a46ac412262b8.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4964
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\iBOKwxdAlg" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1DB4.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:4060
- C:\Users\Admin\AppData\Local\Temp\9ef71b212d2e3aa4158a46ac412262b8.exe
  "C:\Users\Admin\AppData\Local\Temp\9ef71b212d2e3aa4158a46ac412262b8.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:2152
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "DDP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp24D9.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:964
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "DDP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp2566.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:452

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

tmp1DB4.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp1DB4.tmp
Size 1KB
SHA256 823e3a5c91109443bb5b24a9d0ee76087f10088847867c5ada85326031f4aeb7
MD5 c48f225a88e3ec758bb85a7fb5d6cabb
SHA1 e54cb3ee5b29f270805654575054494e2aaf7210
SHA512 6b6d92cb2fbe6e3a01bed28a93ddd965f1db660cc9fd42bb9d36e485361bfc8025592c756fc03f77d870f269b4a7226c4cc79e161cec0b63076f64758afd4485
MD5 SHA1 SHA512

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tmp24D9.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp24D9.tmp
Size 1KB
SHA256 9bcb0bf2e8e929159ca9a6ea8ba860ddab392e6a1cae8e8c61b1deca426eb344
MD5 450e5f1b9315f72b49786e09a86c8c64
SHA1 1ecdb9773895205510869b891d696e5d1b1e9909
SHA512 36316bf066f979a1823fb8ac581fad74492c5b071eca1cc1f5956ef56cb802708e5e02f2f9542d557a56f37e192530dea2703ffd0af4d8cc169d380b49dd147f
MD5 SHA1 SHA512

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tmp2566.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp2566.tmp
Size 1KB
SHA256 a18de0ef2102d2546c7afd07ad1d7a071a0e59aff0868cf3937a145f24feb713
MD5 93d357e6194c8eb8d0616a9f592cc4bf
SHA1 5cc3a3d95d82cb88f65cb6dc6c188595fa272808
SHA512 4df079387f6a76e0deb96ab4c11f6cffa62a8b42dc4970e885dab10351fade2d9e933663c141b76409657f85f1bf9dbb533d92dce52dc62598aafc4793743f7f
MD5 SHA1 SHA512

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memory/2152-19-0x0000000075250000-0x0000000075A00000-memory.dmp

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memory/2152-33-0x00000000058C0000-0x00000000058D0000-memory.dmp

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memory/2152-32-0x0000000075250000-0x0000000075A00000-memory.dmp

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memory/2152-31-0x0000000006B80000-0x0000000006B8A000-memory.dmp

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memory/2152-30-0x0000000005B70000-0x0000000005B8E000-memory.dmp

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memory/2152-29-0x0000000005A30000-0x0000000005A3A000-memory.dmp

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memory/2152-20-0x00000000058C0000-0x00000000058D0000-memory.dmp

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memory/2152-17-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/4964-8-0x0000000075250000-0x0000000075A00000-memory.dmp

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memory/4964-3-0x0000000005B60000-0x0000000005BF2000-memory.dmp

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memory/4964-10-0x0000000008990000-0x0000000008A16000-memory.dmp

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memory/4964-11-0x0000000008A10000-0x0000000008A4E000-memory.dmp

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memory/4964-21-0x0000000075250000-0x0000000075A00000-memory.dmp

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memory/4964-9-0x0000000005B10000-0x0000000005B20000-memory.dmp

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memory/4964-0-0x0000000000FD0000-0x00000000010A8000-memory.dmp

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memory/4964-1-0x0000000075250000-0x0000000075A00000-memory.dmp

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memory/4964-2-0x0000000006110000-0x00000000066B4000-memory.dmp

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memory/4964-7-0x0000000005EF0000-0x0000000005F12000-memory.dmp

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memory/4964-6-0x0000000005AA0000-0x0000000005AAA000-memory.dmp

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memory/4964-5-0x0000000005B10000-0x0000000005B20000-memory.dmp

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memory/4964-4-0x0000000005C00000-0x0000000005C9C000-memory.dmp

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