nanocore | c0ef6cc74722f234a5d8176116dd0df60c32ce0a2ae7a7b88cf9dffd94f7f1a1

General

Target

1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe
Size

495KB
MD5

1c64859d2a5e195b51b5c1d0b973b2f3
SHA1

733895a6df13037644634316b616f2ab1818960f
SHA256

c0ef6cc74722f234a5d8176116dd0df60c32ce0a2ae7a7b88cf9dffd94f7f1a1
SHA512

bc144fadf9f0b3a4ad6092693935b4ef2063a3f9fb429cc33d69b54db65872540065c323e64021b09107babaabb9057a9276cfbb897ddef2cedbd7ea3353762c
SSDEEP

6144:HpMkhB95wk7Rv6kmfU8G64BFn90NNltKMcDWpOFFKJyHwU20VM0uLd2lYB:HSSB3dRnkU8G64H9iAaMFeUT/9a

Score

10^/10

nanocore keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

185.140.53.75:97

Mutex

75237636-ccfc-402a-827d-5ad01371659e

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-07-24T01:53:34.394429836Z
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
97
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
75237636-ccfc-402a-827d-5ad01371659e
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
185.140.53.75
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

Processes:

1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-817259280-2658881748-983986378-1000\Control Panel\International\Geo\Nation	1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WAN Service = "C:\\Program Files (x86)\\WAN Service\\wansvc.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe

description pid process target process

PID 3644 set thread context of 2568 3644 1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe RegSvcs.exe

description	pid	process	target process
PID 3644 set thread context of 2568	3644	1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe	RegSvcs.exe

Drops file in Program Files directory 2 IoCs

Processes:

RegSvcs.exe

description	ioc	process
File created	C:\Program Files (x86)\WAN Service\wansvc.exe	RegSvcs.exe
File opened for modification	C:\Program Files (x86)\WAN Service\wansvc.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/Job
T1053

Processes:

schtasks.exeschtasks.exeschtasks.exe

pid process

3376 schtasks.exe
3124 schtasks.exe
4884 schtasks.exe

pid	process
3376	schtasks.exe
3124	schtasks.exe
4884	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

Processes:

1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exepowershell.exeRegSvcs.exe

pid	process
3644	1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe
3644	1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe
3644	1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe
3644	1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe
1696	powershell.exe
1696	powershell.exe
2568	RegSvcs.exe
2568	RegSvcs.exe
2568	RegSvcs.exe
2568	RegSvcs.exe
1696	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegSvcs.exe

pid process

2568 RegSvcs.exe

pid	process
2568	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exepowershell.exeRegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	3644	1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe
Token: SeDebugPrivilege	1696	powershell.exe
Token: SeDebugPrivilege	2568	RegSvcs.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exeRegSvcs.exe

description	pid	process	target process
PID 3644 wrote to memory of 1696	3644	1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe	powershell.exe
PID 3644 wrote to memory of 1696	3644	1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe	powershell.exe
PID 3644 wrote to memory of 1696	3644	1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe	powershell.exe
PID 3644 wrote to memory of 4884	3644	1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe	schtasks.exe
PID 3644 wrote to memory of 4884	3644	1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe	schtasks.exe
PID 3644 wrote to memory of 4884	3644	1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe	schtasks.exe
PID 3644 wrote to memory of 2568	3644	1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe	RegSvcs.exe
PID 3644 wrote to memory of 2568	3644	1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe	RegSvcs.exe
PID 3644 wrote to memory of 2568	3644	1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe	RegSvcs.exe
PID 3644 wrote to memory of 2568	3644	1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe	RegSvcs.exe
PID 3644 wrote to memory of 2568	3644	1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe	RegSvcs.exe
PID 3644 wrote to memory of 2568	3644	1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe	RegSvcs.exe
PID 3644 wrote to memory of 2568	3644	1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe	RegSvcs.exe
PID 3644 wrote to memory of 2568	3644	1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe	RegSvcs.exe
PID 2568 wrote to memory of 3376	2568	RegSvcs.exe	schtasks.exe
PID 2568 wrote to memory of 3376	2568	RegSvcs.exe	schtasks.exe
PID 2568 wrote to memory of 3376	2568	RegSvcs.exe	schtasks.exe
PID 2568 wrote to memory of 3124	2568	RegSvcs.exe	schtasks.exe
PID 2568 wrote to memory of 3124	2568	RegSvcs.exe	schtasks.exe
PID 2568 wrote to memory of 3124	2568	RegSvcs.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3644

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1696

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sdEKmbTTxgFtdd" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFCEE.tmp"
2⤵
- Creates scheduled task(s)
PID:4884

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
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:2568

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "WAN Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpFF5F.tmp"
3⤵
- Creates scheduled task(s)
PID:3376

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "WAN Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1A2.tmp"
3⤵
- Creates scheduled task(s)
PID:3124

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1300 --field-trial-handle=2276,i,5672504106535478802,17394903851940863593,262144 --variations-seed-version /prefetch:8
1⤵
PID:4108

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jeqdxp4v.2kr.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1A2.tmp
Filesize
1KB

MD5
9f0deb7cf87b4ae4efde9cc98ff481db

SHA1
760265641ce176e555c64bedb494f6f75fd0bd27

SHA256
a57110ccf892c8ca9c9b28b2608f4d37a8b5df1bfcf1411e7c62b500e82fabda

SHA512
6517829d9a09df437a340485bb87183c7a80135a76296308120e0ab385f5ffa7369a2ace9655ffaf1c594869cc6a20015520b6b0c681217b641b3c58127a29de

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpFF5F.tmp
Filesize
1KB

MD5
40b11ef601fb28f9b2e69d36857bf2ec

SHA1
b6454020ad2ceed193f4792b77001d0bd741b370

SHA256
c51e12d18cc664425f6711d8ae2507068884c7057092cfa11884100e1e9d49e1

SHA512
e3c5bcc714cbfca4b8058ddcddf231dcefa69c15881ce3f8123e59ed45cfb5da052b56e1945dcf8dc7f800d62f9a4eecb82bca69a66a1530787aeffeb15e2bd5

Download Submit
memory/1696-40-0x0000000006420000-0x0000000006774000-memory.dmp

Filesize
3.3MB

Download
memory/1696-16-0x0000000002F50000-0x0000000002F86000-memory.dmp

Filesize
216KB

Download
memory/1696-70-0x0000000071FF0000-0x00000000727A0000-memory.dmp

Filesize
7.7MB

Download
memory/1696-42-0x0000000006860000-0x000000000687E000-memory.dmp

Filesize
120KB

Download
memory/1696-67-0x0000000007EA0000-0x0000000007EA8000-memory.dmp

Filesize
32KB

Download
memory/1696-44-0x00000000056B0000-0x00000000056C0000-memory.dmp

Filesize
64KB

Download
memory/1696-66-0x0000000007EC0000-0x0000000007EDA000-memory.dmp

Filesize
104KB

Download
memory/1696-43-0x00000000068B0000-0x00000000068FC000-memory.dmp

Filesize
304KB

Download
memory/1696-19-0x0000000071FF0000-0x00000000727A0000-memory.dmp

Filesize
7.7MB

Download
memory/1696-22-0x00000000056B0000-0x00000000056C0000-memory.dmp

Filesize
64KB

Download
memory/1696-23-0x00000000056B0000-0x00000000056C0000-memory.dmp

Filesize
64KB

Download
memory/1696-21-0x0000000005CF0000-0x0000000006318000-memory.dmp

Filesize
6.2MB

Download
memory/1696-65-0x0000000007DC0000-0x0000000007DD4000-memory.dmp

Filesize
80KB

Download
memory/1696-27-0x00000000058B0000-0x00000000058D2000-memory.dmp

Filesize
136KB

Download
memory/1696-28-0x0000000005B80000-0x0000000005BE6000-memory.dmp

Filesize
408KB

Download
memory/1696-29-0x0000000005BF0000-0x0000000005C56000-memory.dmp

Filesize
408KB

Download
memory/1696-64-0x0000000007DB0000-0x0000000007DBE000-memory.dmp

Filesize
56KB

Download
memory/1696-63-0x0000000007D80000-0x0000000007D91000-memory.dmp

Filesize
68KB

Download
memory/1696-62-0x0000000007E00000-0x0000000007E96000-memory.dmp

Filesize
600KB

Download
memory/1696-61-0x0000000007BF0000-0x0000000007BFA000-memory.dmp

Filesize
40KB

Download
memory/1696-60-0x0000000007B80000-0x0000000007B9A000-memory.dmp

Filesize
104KB

Download
memory/1696-59-0x00000000081C0000-0x000000000883A000-memory.dmp

Filesize
6.5MB

Download
memory/1696-58-0x0000000007850000-0x00000000078F3000-memory.dmp

Filesize
652KB

Download
memory/1696-45-0x000000007FC50000-0x000000007FC60000-memory.dmp

Filesize
64KB

Download
memory/1696-46-0x0000000006E50000-0x0000000006E82000-memory.dmp

Filesize
200KB

Download
memory/1696-47-0x0000000072C60000-0x0000000072CAC000-memory.dmp

Filesize
304KB

Download
memory/1696-57-0x0000000006E00000-0x0000000006E1E000-memory.dmp

Filesize
120KB

Download
memory/2568-13-0x0000000001080000-0x0000000001090000-memory.dmp

Filesize
64KB

Download
memory/2568-73-0x0000000001080000-0x0000000001090000-memory.dmp

Filesize
64KB

Download
memory/2568-12-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/2568-72-0x0000000001080000-0x0000000001090000-memory.dmp

Filesize
64KB

Download
memory/2568-41-0x0000000001080000-0x0000000001090000-memory.dmp

Filesize
64KB

Download
memory/2568-15-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/2568-71-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/2568-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3644-0-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/3644-14-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/3644-1-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/3644-3-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/3644-2-0x00000000019D0000-0x00000000019E0000-memory.dmp

Filesize
64KB

Download
memory/3644-4-0x00000000019D0000-0x00000000019E0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads