nanocore | 8834f3d9bea74033c7d66c04af98f8e73be938c30a6ee33f6bb0e03e17a2205c

Analysis

max time kernel
93s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05-09-2024 12:37

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General

Target

72aa74d8a1251c3376c6346aaeb5bce0N.exe
Size

2.3MB
MD5

72aa74d8a1251c3376c6346aaeb5bce0
SHA1

54e4ba4d9e09f26f0242a6398498a6ba64e18269
SHA256

8834f3d9bea74033c7d66c04af98f8e73be938c30a6ee33f6bb0e03e17a2205c
SHA512

ecaa4edb4b9d24d6de5683436ed3f16b0bf4980d475176dd3c9581e0754282f3869a977415d9b1d478d288e7d89235320b0e7202814d7b8e39b1bf57f049918a
SSDEEP

24576:4hk6VzDDlAslzOhpvYK/P7xdyviebf+dJ03:4

Score

10^/10

nanocore xworm discovery evasion keylogger persistence rat spyware stealer trojan

Malware Config

Extracted

Family

xworm

Version

5.0

orounderandudai.ddnsgeek.com:7071

Mutex

PVgn8Cl3GrFDVc8H

Attributes

install_file
USB.exe

aes.plain

Extracted

Family

nanocore

Version

1.2.2.0

e-businessloader.mywire.org:5230

127.0.0.1:5230

Mutex

0be0e5d9-4209-4f88-b4fe-27e7b678a0b5

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2024-03-16T21:32:38.702958636Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
5230
default_group
e-business
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
0be0e5d9-4209-4f88-b4fe-27e7b678a0b5
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
e-businessloader.mywire.org
primary_dns_server
8.8.8.8
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

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral2/files/0x00070000000234ab-1093.dat	family_xworm
behavioral2/memory/1300-1101-0x0000000000140000-0x0000000000150000-memory.dmp	family_xworm

NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 4608 created 3348	4608	72aa74d8a1251c3376c6346aaeb5bce0N.exe	56

Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm

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-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	72aa74d8a1251c3376c6346aaeb5bce0N.exe

Executes dropped EXE 1 IoCs

pid	Process
1300	orounderandudai.ddnsgeek.com7071.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\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Networks! = "C:\\Users\\Admin\\AppData\\Roaming\\Networks!.exe"	72aa74d8a1251c3376c6346aaeb5bce0N.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	72aa74d8a1251c3376c6346aaeb5bce0N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4608 set thread context of 4068	4608	72aa74d8a1251c3376c6346aaeb5bce0N.exe	94

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 2 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	72aa74d8a1251c3376c6346aaeb5bce0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	72aa74d8a1251c3376c6346aaeb5bce0N.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1300	orounderandudai.ddnsgeek.com7071.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
4608	72aa74d8a1251c3376c6346aaeb5bce0N.exe
4068	72aa74d8a1251c3376c6346aaeb5bce0N.exe
4068	72aa74d8a1251c3376c6346aaeb5bce0N.exe
4068	72aa74d8a1251c3376c6346aaeb5bce0N.exe
4068	72aa74d8a1251c3376c6346aaeb5bce0N.exe
4068	72aa74d8a1251c3376c6346aaeb5bce0N.exe
4068	72aa74d8a1251c3376c6346aaeb5bce0N.exe
1300	orounderandudai.ddnsgeek.com7071.exe
4068	72aa74d8a1251c3376c6346aaeb5bce0N.exe
4068	72aa74d8a1251c3376c6346aaeb5bce0N.exe
4068	72aa74d8a1251c3376c6346aaeb5bce0N.exe
4068	72aa74d8a1251c3376c6346aaeb5bce0N.exe
4068	72aa74d8a1251c3376c6346aaeb5bce0N.exe
4068	72aa74d8a1251c3376c6346aaeb5bce0N.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4068	72aa74d8a1251c3376c6346aaeb5bce0N.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4608	72aa74d8a1251c3376c6346aaeb5bce0N.exe
Token: SeDebugPrivilege	4608	72aa74d8a1251c3376c6346aaeb5bce0N.exe
Token: SeDebugPrivilege	4068	72aa74d8a1251c3376c6346aaeb5bce0N.exe
Token: SeDebugPrivilege	1300	orounderandudai.ddnsgeek.com7071.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1300	orounderandudai.ddnsgeek.com7071.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4608 wrote to memory of 1300	4608	72aa74d8a1251c3376c6346aaeb5bce0N.exe	93
PID 4608 wrote to memory of 1300	4608	72aa74d8a1251c3376c6346aaeb5bce0N.exe	93
PID 4608 wrote to memory of 4068	4608	72aa74d8a1251c3376c6346aaeb5bce0N.exe	94
PID 4608 wrote to memory of 4068	4608	72aa74d8a1251c3376c6346aaeb5bce0N.exe	94
PID 4608 wrote to memory of 4068	4608	72aa74d8a1251c3376c6346aaeb5bce0N.exe	94
PID 4608 wrote to memory of 4068	4608	72aa74d8a1251c3376c6346aaeb5bce0N.exe	94
PID 4608 wrote to memory of 4068	4608	72aa74d8a1251c3376c6346aaeb5bce0N.exe	94
PID 4608 wrote to memory of 4068	4608	72aa74d8a1251c3376c6346aaeb5bce0N.exe	94
PID 4608 wrote to memory of 4068	4608	72aa74d8a1251c3376c6346aaeb5bce0N.exe	94
PID 4608 wrote to memory of 4068	4608	72aa74d8a1251c3376c6346aaeb5bce0N.exe	94

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3348
- C:\Users\Admin\AppData\Local\Temp\72aa74d8a1251c3376c6346aaeb5bce0N.exe
  "C:\Users\Admin\AppData\Local\Temp\72aa74d8a1251c3376c6346aaeb5bce0N.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Checks computer location settings
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4608
- - C:\Users\Admin\AppData\Local\Temp\orounderandudai.ddnsgeek.com7071.exe
    "C:\Users\Admin\AppData\Local\Temp\orounderandudai.ddnsgeek.com7071.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:1300
- C:\Users\Admin\AppData\Local\Temp\72aa74d8a1251c3376c6346aaeb5bce0N.exe
  "C:\Users\Admin\AppData\Local\Temp\72aa74d8a1251c3376c6346aaeb5bce0N.exe"
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:4068

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\orounderandudai.ddnsgeek.com7071.exe

Filesize
39KB

MD5
23c59ef7531169fbfab4d04acc59c8bf

SHA1
d1830d3f41ec429087e909e5866179a0386d52d8

SHA256
fe2b4dfcbcfcf3cf380a0df51b40f840e54c60340c6087d22714c733c57f5e89

SHA512
4fed3b33b0a3641ea2462c8f467a99745c0886a49908d9ef023f1b49fc262cdab2d27ccfc819c9f2bd708f8ebe9d143af2208013f96e1915c7b5402b37216872

Download Submit
memory/1300-1132-0x000000001AEC0000-0x000000001AED0000-memory.dmp

Filesize
64KB

Download
memory/1300-1138-0x000000001AEC0000-0x000000001AED0000-memory.dmp

Filesize
64KB

Download
memory/1300-1100-0x00007FFA13B53000-0x00007FFA13B55000-memory.dmp

Filesize
8KB

Download
memory/1300-1101-0x0000000000140000-0x0000000000150000-memory.dmp

Filesize
64KB

Download
memory/1300-1135-0x00007FFA13B53000-0x00007FFA13B55000-memory.dmp

Filesize
8KB

Download
memory/4068-1126-0x00000000067F0000-0x0000000006804000-memory.dmp

Filesize
80KB

Download
memory/4068-1117-0x0000000006000000-0x000000000600A000-memory.dmp

Filesize
40KB

Download
memory/4068-1131-0x0000000006880000-0x0000000006894000-memory.dmp

Filesize
80KB

Download
memory/4068-1129-0x0000000006830000-0x000000000683E000-memory.dmp

Filesize
56KB

Download
memory/4068-1128-0x0000000006820000-0x0000000006834000-memory.dmp

Filesize
80KB

Download
memory/4068-1124-0x00000000067D0000-0x00000000067DE000-memory.dmp

Filesize
56KB

Download
memory/4068-1127-0x0000000006810000-0x0000000006820000-memory.dmp

Filesize
64KB

Download
memory/4068-1125-0x00000000067E0000-0x00000000067EC000-memory.dmp

Filesize
48KB

Download
memory/4068-1133-0x0000000006CD0000-0x0000000006D36000-memory.dmp

Filesize
408KB

Download
memory/4068-1123-0x00000000067B0000-0x00000000067C2000-memory.dmp

Filesize
72KB

Download
memory/4068-1122-0x0000000006790000-0x000000000679E000-memory.dmp

Filesize
56KB

Download
memory/4068-1121-0x0000000006770000-0x000000000678A000-memory.dmp

Filesize
104KB

Download
memory/4068-1120-0x0000000006760000-0x000000000676C000-memory.dmp

Filesize
48KB

Download
memory/4068-1130-0x0000000006850000-0x000000000687E000-memory.dmp

Filesize
184KB

Download
memory/4068-1116-0x00000000057E0000-0x00000000057FE000-memory.dmp

Filesize
120KB

Download
memory/4068-1115-0x0000000005250000-0x000000000525A000-memory.dmp

Filesize
40KB

Download
memory/4068-1113-0x0000000005230000-0x0000000005238000-memory.dmp

Filesize
32KB

Download
memory/4068-1112-0x00000000051B0000-0x00000000051BA000-memory.dmp

Filesize
40KB

Download
memory/4068-1111-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/4068-1110-0x00000000052F0000-0x000000000538C000-memory.dmp

Filesize
624KB

Download
memory/4068-1109-0x0000000005110000-0x00000000051A2000-memory.dmp

Filesize
584KB

Download
memory/4068-1108-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/4068-1106-0x0000000074C4E000-0x0000000074C4F000-memory.dmp

Filesize
4KB

Download
memory/4068-1136-0x0000000074C4E000-0x0000000074C4F000-memory.dmp

Filesize
4KB

Download
memory/4068-1137-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/4608-34-0x00000000052B0000-0x00000000053C5000-memory.dmp

Filesize
1.1MB

Download
memory/4608-18-0x00000000052B0000-0x00000000053C5000-memory.dmp

Filesize
1.1MB

Download
memory/4608-40-0x00000000052B0000-0x00000000053C5000-memory.dmp

Filesize
1.1MB

Download
memory/4608-36-0x00000000052B0000-0x00000000053C5000-memory.dmp

Filesize
1.1MB

Download
memory/4608-26-0x00000000052B0000-0x00000000053C5000-memory.dmp

Filesize
1.1MB

Download
memory/4608-1077-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/4608-1078-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/4608-1079-0x0000000005490000-0x0000000005526000-memory.dmp

Filesize
600KB

Download
memory/4608-1080-0x0000000005530000-0x000000000557C000-memory.dmp

Filesize
304KB

Download
memory/4608-1084-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/4608-1085-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/4608-1086-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/4608-1087-0x0000000074C4E000-0x0000000074C4F000-memory.dmp

Filesize
4KB

Download
memory/4608-1088-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/4608-6-0x00000000052B0000-0x00000000053C5000-memory.dmp

Filesize
1.1MB

Download
memory/4608-8-0x00000000052B0000-0x00000000053C5000-memory.dmp

Filesize
1.1MB

Download
memory/4608-10-0x00000000052B0000-0x00000000053C5000-memory.dmp

Filesize
1.1MB

Download
memory/4608-1102-0x0000000007690000-0x0000000007C34000-memory.dmp

Filesize
5.6MB

Download
memory/4608-1103-0x0000000005190000-0x00000000051E4000-memory.dmp

Filesize
336KB

Download
memory/4608-1107-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/4608-12-0x00000000052B0000-0x00000000053C5000-memory.dmp

Filesize
1.1MB

Download
memory/4608-14-0x00000000052B0000-0x00000000053C5000-memory.dmp

Filesize
1.1MB

Download
memory/4608-16-0x00000000052B0000-0x00000000053C5000-memory.dmp

Filesize
1.1MB

Download
memory/4608-4-0x00000000052B0000-0x00000000053C5000-memory.dmp

Filesize
1.1MB

Download
memory/4608-22-0x00000000052B0000-0x00000000053C5000-memory.dmp

Filesize
1.1MB

Download
memory/4608-24-0x00000000052B0000-0x00000000053C5000-memory.dmp

Filesize
1.1MB

Download
memory/4608-28-0x00000000052B0000-0x00000000053C5000-memory.dmp

Filesize
1.1MB

Download
memory/4608-30-0x00000000052B0000-0x00000000053C5000-memory.dmp

Filesize
1.1MB

Download
memory/4608-32-0x00000000052B0000-0x00000000053C5000-memory.dmp

Filesize
1.1MB

Download
memory/4608-0-0x0000000074C4E000-0x0000000074C4F000-memory.dmp

Filesize
4KB

Download
memory/4608-38-0x00000000052B0000-0x00000000053C5000-memory.dmp

Filesize
1.1MB

Download
memory/4608-42-0x00000000052B0000-0x00000000053C5000-memory.dmp

Filesize
1.1MB

Download
memory/4608-44-0x00000000052B0000-0x00000000053C5000-memory.dmp

Filesize
1.1MB

Download
memory/4608-52-0x00000000052B0000-0x00000000053C5000-memory.dmp

Filesize
1.1MB

Download
memory/4608-46-0x00000000052B0000-0x00000000053C5000-memory.dmp

Filesize
1.1MB

Download
memory/4608-48-0x00000000052B0000-0x00000000053C5000-memory.dmp

Filesize
1.1MB

Download
memory/4608-50-0x00000000052B0000-0x00000000053C5000-memory.dmp

Filesize
1.1MB

Download
memory/4608-54-0x00000000052B0000-0x00000000053C5000-memory.dmp

Filesize
1.1MB

Download
memory/4608-56-0x00000000052B0000-0x00000000053C5000-memory.dmp

Filesize
1.1MB

Download
memory/4608-58-0x00000000052B0000-0x00000000053C5000-memory.dmp

Filesize
1.1MB

Download
memory/4608-60-0x00000000052B0000-0x00000000053C5000-memory.dmp

Filesize
1.1MB

Download
memory/4608-62-0x00000000052B0000-0x00000000053C5000-memory.dmp

Filesize
1.1MB

Download
memory/4608-64-0x00000000052B0000-0x00000000053C5000-memory.dmp

Filesize
1.1MB

Download
memory/4608-66-0x00000000052B0000-0x00000000053C5000-memory.dmp

Filesize
1.1MB

Download
memory/4608-21-0x00000000052B0000-0x00000000053C5000-memory.dmp

Filesize
1.1MB

Download
memory/4608-3-0x00000000052B0000-0x00000000053C5000-memory.dmp

Filesize
1.1MB

Download
memory/4608-2-0x00000000052B0000-0x00000000053CC000-memory.dmp

Filesize
1.1MB

Download
memory/4608-1-0x00000000005D0000-0x0000000000816000-memory.dmp

Filesize
2.3MB

Download