nanocore | 5b7643a4e7a407636d5c078fc063f2e59b22078db3f6c67c23a7c0a3366897d7

General

Target

65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe
Size

731KB
MD5

65cb52b837724ae0a6255990e45cf041
SHA1

179ff5dc38c7e53e9bd00f3410f5ba86931b32f5
SHA256

5b7643a4e7a407636d5c078fc063f2e59b22078db3f6c67c23a7c0a3366897d7
SHA512

a110feff03e8651d15f0804f0e8ff018fc3add832e600e1fd2ee3f2d203a3db7a077f7cf3cfbcb1466e2f888c9e5b4f8aacfa604503bed1fd23d987afcc2aacd
SSDEEP

12288:bfOpzJ8SvS7IY6m0aBqg+VQX9BTgtibNvdI8JUl48fA6x9qcqedqq5cZg/h7dh2d:b2pzqeS7In9guUBktknJUvY6xbKXp

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

office1.servemp3.com:2017

Mutex

d87de095-b054-44d3-a032-be422776e3c0

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-07-04T08:30:05.657848036Z
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
2017
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
d87de095-b054-44d3-a032-be422776e3c0
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
office1.servemp3.com
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:

65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-384068567-2943195810-3631207890-1000\Control Panel\International\Geo\Nation	65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\AGP Service = "C:\\Program Files (x86)\\AGP Service\\agpsv.exe"	65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe

description	pid	process	target process
PID 5104 set thread context of 2288	5104	65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe	65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe

Drops file in Program Files directory 2 IoCs

Processes:

65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe

description	ioc	process
File created	C:\Program Files (x86)\AGP Service\agpsv.exe	65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\AGP Service\agpsv.exe	65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe

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 5 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

Processes:

65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exeschtasks.exe65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exeschtasks.exeschtasks.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence execution

Scheduled Task
T1053.005

Processes:

schtasks.exeschtasks.exeschtasks.exe

pid process

4928 schtasks.exe
1908 schtasks.exe
4008 schtasks.exe

pid	process
4928	schtasks.exe
1908	schtasks.exe
4008	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe

pid	process
5104	65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe
5104	65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe
5104	65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe
5104	65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe
2288	65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe
2288	65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe
2288	65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe

pid process

2288 65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe

pid	process
2288	65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe

description	pid	process
Token: SeDebugPrivilege	5104	65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe
Token: SeDebugPrivilege	2288	65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe

description	pid	process	target process
PID 5104 wrote to memory of 4928	5104	65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe	schtasks.exe
PID 5104 wrote to memory of 4928	5104	65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe	schtasks.exe
PID 5104 wrote to memory of 4928	5104	65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe	schtasks.exe
PID 5104 wrote to memory of 2288	5104	65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe	65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe
PID 5104 wrote to memory of 2288	5104	65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe	65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe
PID 5104 wrote to memory of 2288	5104	65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe	65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe
PID 5104 wrote to memory of 2288	5104	65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe	65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe
PID 5104 wrote to memory of 2288	5104	65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe	65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe
PID 5104 wrote to memory of 2288	5104	65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe	65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe
PID 5104 wrote to memory of 2288	5104	65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe	65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe
PID 5104 wrote to memory of 2288	5104	65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe	65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe
PID 2288 wrote to memory of 1908	2288	65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe	schtasks.exe
PID 2288 wrote to memory of 1908	2288	65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe	schtasks.exe
PID 2288 wrote to memory of 1908	2288	65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe	schtasks.exe
PID 2288 wrote to memory of 4008	2288	65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe	schtasks.exe
PID 2288 wrote to memory of 4008	2288	65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe	schtasks.exe
PID 2288 wrote to memory of 4008	2288	65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5104

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DemUcjToAe" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4801.tmp"
2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:4928

C:\Users\Admin\AppData\Local\Temp\65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\65cb52b837724ae0a6255990e45cf041_JaffaCakes118.exe"
2⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2288

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "AGP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp4C27.tmp"
3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1908

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "AGP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp4DED.tmp"
3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:4008

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp4801.tmp

Filesize
1KB

MD5
3e123fe57775e713da15828180b24d40

SHA1
28325a7e3cab9376bb3265579299559ca47e88c7

SHA256
ef93148c46e6fdd16cf0516dfad35de65ff39ce3b689bd4264138ee956a57625

SHA512
1f0c8eb6c6e021d8ccd81541996d883797e4836a6d592b6637c456807c7effb81ef1b3a5a7b5bc6a5c8c40403677e20c7b69b4a26ea8cc350acd3e26b0372407

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp4C27.tmp

Filesize
1KB

MD5
0713d21030fe203a3c26007d723d2630

SHA1
fa9fb971babb896ebaba2358f2e5e792a6aef108

SHA256
02729ce5ece7af098a9deaf0c66a3aea1c57f0bd865b7beeb423d0733bc65579

SHA512
8406eda1cd0716b55ec05ad7c9a418f78ea129fdebfe2111518c55580d72533c8dcadabb4c9a5f74572c1f53d02b0a2319ad90f6d6d861630c8fbd6103185fd2

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp4DED.tmp

Filesize
1KB

MD5
7a81ae69c04c8d95261eb5f490b7f869

SHA1
9f4f484d306fea15b2e7f9f16db660833bb1f8ce

SHA256
ce3933e772f663a834335cc2071e5e7b2d49a065b51d84a259054b8ef663e785

SHA512
8260ab83106752a488e164bbed63ef334d34399bc9a5c09a0cfceba6aef48eafe5c64e4dfbd353ac3edfff2523b16c2b0287d34833a293c4436e068fae656de8

Download Submit
memory/2288-25-0x0000000074DB0000-0x0000000075361000-memory.dmp

Filesize
5.7MB

Download
memory/2288-24-0x0000000074DB0000-0x0000000075361000-memory.dmp

Filesize
5.7MB

Download
memory/2288-23-0x0000000074DB0000-0x0000000075361000-memory.dmp

Filesize
5.7MB

Download
memory/2288-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2288-12-0x0000000074DB0000-0x0000000075361000-memory.dmp

Filesize
5.7MB

Download
memory/2288-21-0x0000000074DB0000-0x0000000075361000-memory.dmp

Filesize
5.7MB

Download
memory/2288-14-0x0000000074DB0000-0x0000000075361000-memory.dmp

Filesize
5.7MB

Download
memory/5104-4-0x0000000074DB0000-0x0000000075361000-memory.dmp

Filesize
5.7MB

Download
memory/5104-13-0x0000000074DB0000-0x0000000075361000-memory.dmp

Filesize
5.7MB

Download
memory/5104-0-0x0000000074DB2000-0x0000000074DB3000-memory.dmp

Filesize
4KB

Download
memory/5104-3-0x0000000074DB2000-0x0000000074DB3000-memory.dmp

Filesize
4KB

Download
memory/5104-2-0x0000000074DB0000-0x0000000075361000-memory.dmp

Filesize
5.7MB

Download
memory/5104-1-0x0000000074DB0000-0x0000000075361000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads