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

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\DHCP Subsystem = "C:\\Program Files (x86)\\DHCP Subsystem\\dhcpss.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe

description pid process target process

PID 2284 set thread context of 2436 2284 1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe RegSvcs.exe

description	pid	process	target process
PID 2284 set thread context of 2436	2284	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)\DHCP Subsystem\dhcpss.exe	RegSvcs.exe
File opened for modification	C:\Program Files (x86)\DHCP Subsystem\dhcpss.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

2404 schtasks.exe
1692 schtasks.exe
1600 schtasks.exe

pid	process
2404	schtasks.exe
1692	schtasks.exe
1600	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exepowershell.exeRegSvcs.exe

pid	process
2284	1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe
2284	1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe
2848	powershell.exe
2436	RegSvcs.exe
2436	RegSvcs.exe
2436	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegSvcs.exe

pid process

2436 RegSvcs.exe

pid	process
2436	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exepowershell.exeRegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	2284	1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe
Token: SeDebugPrivilege	2848	powershell.exe
Token: SeDebugPrivilege	2436	RegSvcs.exe

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exeRegSvcs.exe

description	pid	process	target process
PID 2284 wrote to memory of 2848	2284	1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe	powershell.exe
PID 2284 wrote to memory of 2848	2284	1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe	powershell.exe
PID 2284 wrote to memory of 2848	2284	1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe	powershell.exe
PID 2284 wrote to memory of 2848	2284	1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe	powershell.exe
PID 2284 wrote to memory of 2404	2284	1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe	schtasks.exe
PID 2284 wrote to memory of 2404	2284	1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe	schtasks.exe
PID 2284 wrote to memory of 2404	2284	1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe	schtasks.exe
PID 2284 wrote to memory of 2404	2284	1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe	schtasks.exe
PID 2284 wrote to memory of 2436	2284	1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe	RegSvcs.exe
PID 2284 wrote to memory of 2436	2284	1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe	RegSvcs.exe
PID 2284 wrote to memory of 2436	2284	1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe	RegSvcs.exe
PID 2284 wrote to memory of 2436	2284	1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe	RegSvcs.exe
PID 2284 wrote to memory of 2436	2284	1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe	RegSvcs.exe
PID 2284 wrote to memory of 2436	2284	1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe	RegSvcs.exe
PID 2284 wrote to memory of 2436	2284	1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe	RegSvcs.exe
PID 2284 wrote to memory of 2436	2284	1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe	RegSvcs.exe
PID 2284 wrote to memory of 2436	2284	1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe	RegSvcs.exe
PID 2284 wrote to memory of 2436	2284	1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe	RegSvcs.exe
PID 2284 wrote to memory of 2436	2284	1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe	RegSvcs.exe
PID 2284 wrote to memory of 2436	2284	1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe	RegSvcs.exe
PID 2436 wrote to memory of 1692	2436	RegSvcs.exe	schtasks.exe
PID 2436 wrote to memory of 1692	2436	RegSvcs.exe	schtasks.exe
PID 2436 wrote to memory of 1692	2436	RegSvcs.exe	schtasks.exe
PID 2436 wrote to memory of 1692	2436	RegSvcs.exe	schtasks.exe
PID 2436 wrote to memory of 1600	2436	RegSvcs.exe	schtasks.exe
PID 2436 wrote to memory of 1600	2436	RegSvcs.exe	schtasks.exe
PID 2436 wrote to memory of 1600	2436	RegSvcs.exe	schtasks.exe
PID 2436 wrote to memory of 1600	2436	RegSvcs.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1c64859d2a5e195b51b5c1d0b973b2f3_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2284

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:2848

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sdEKmbTTxgFtdd" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEF3F.tmp"
2⤵
- Creates scheduled task(s)
PID:2404

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:2436

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DHCP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmpF547.tmp"
3⤵
- Creates scheduled task(s)
PID:1692

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DHCP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpF92F.tmp"
3⤵
- Creates scheduled task(s)
PID:1600

Network

MITRE ATT&CK Matrix ATT&CK v13

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpF547.tmp
Filesize
1KB

MD5
40b11ef601fb28f9b2e69d36857bf2ec

SHA1
b6454020ad2ceed193f4792b77001d0bd741b370

SHA256
c51e12d18cc664425f6711d8ae2507068884c7057092cfa11884100e1e9d49e1

SHA512
e3c5bcc714cbfca4b8058ddcddf231dcefa69c15881ce3f8123e59ed45cfb5da052b56e1945dcf8dc7f800d62f9a4eecb82bca69a66a1530787aeffeb15e2bd5

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpF92F.tmp
Filesize
1KB

MD5
2f26d92c1eeead3896820e56ec46f6f1

SHA1
d95533b61eed7d89e4ada56bc566d60e42ac1f61

SHA256
99a158463ce40c750bad6991ae1fceece305a0dbf8e209dd7147b5d539756bfa

SHA512
6c1ed12d5e1afcd9e7f327e0153786fd8594f75a995f341c408ef014e69917452a9fe99c511f0249aceb57b3045b707f1fd3f404e4086cfbf0aadcb3318db892

Download Submit
memory/2284-0-0x0000000074B70000-0x000000007511B000-memory.dmp

Filesize
5.7MB

Download
memory/2284-1-0x0000000074B70000-0x000000007511B000-memory.dmp

Filesize
5.7MB

Download
memory/2284-2-0x00000000004D0000-0x0000000000510000-memory.dmp

Filesize
256KB

Download
memory/2284-3-0x0000000074B70000-0x000000007511B000-memory.dmp

Filesize
5.7MB

Download
memory/2284-4-0x00000000004D0000-0x0000000000510000-memory.dmp

Filesize
256KB

Download
memory/2284-5-0x00000000004D0000-0x0000000000510000-memory.dmp

Filesize
256KB

Download
memory/2284-27-0x0000000074B70000-0x000000007511B000-memory.dmp

Filesize
5.7MB

Download
memory/2436-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2436-41-0x0000000000560000-0x00000000005A0000-memory.dmp

Filesize
256KB

Download
memory/2436-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2436-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2436-25-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2436-26-0x0000000000560000-0x00000000005A0000-memory.dmp

Filesize
256KB

Download
memory/2436-28-0x0000000074B70000-0x000000007511B000-memory.dmp

Filesize
5.7MB

Download
memory/2436-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2436-45-0x0000000000560000-0x00000000005A0000-memory.dmp

Filesize
256KB

Download
memory/2436-44-0x0000000074B70000-0x000000007511B000-memory.dmp

Filesize
5.7MB

Download
memory/2436-43-0x0000000000560000-0x00000000005A0000-memory.dmp

Filesize
256KB

Download
memory/2436-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2436-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2436-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2848-42-0x0000000074B70000-0x000000007511B000-memory.dmp

Filesize
5.7MB

Download
memory/2848-36-0x00000000027A0000-0x00000000027E0000-memory.dmp

Filesize
256KB

Download
memory/2848-35-0x0000000074B70000-0x000000007511B000-memory.dmp

Filesize
5.7MB

Download
memory/2848-33-0x0000000074B70000-0x000000007511B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads