nanocore | 772814528f5d70b28f79e3865317a8ded4ea597d59966a7ba6cd854bc69fe9f3

General

Target

3a844cec6076901b623b1354dad68a7e_JaffaCakes118.exe
Size

728KB
MD5

3a844cec6076901b623b1354dad68a7e
SHA1

47c79404bc4d4b1ae7be6bbdf8fcb1e9df27ff43
SHA256

772814528f5d70b28f79e3865317a8ded4ea597d59966a7ba6cd854bc69fe9f3
SHA512

33df66525df0df52788a0b596de6116a66a2845ca33a008172c9f3b8dbf15318ffa05ffab2aa3957c803001e34752c92deb6c40510b0acb624483aae7f594f38
SSDEEP

12288:mpww/Geu9yZV9fE3RebnlKViwA1Gn/Pe7x7PdKoE9jp2vmMjPgJEtW:PweL96tKIOsPIP

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

162.194.17.151:5540

Mutex

88e68db8-f6fe-4a32-a87f-c4e07a150453

Attributes

activate_away_mode
true
backup_connection_host
162.194.17.151
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2017-07-05T20:15:45.478507836Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
true
connect_delay
3994
connection_port
5540
default_group
recent
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
88e68db8-f6fe-4a32-a87f-c4e07a150453
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
162.194.17.151
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

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

Checks computer location settings 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

3a844cec6076901b623b1354dad68a7e_JaffaCakes118.exefonrdvhost.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	3a844cec6076901b623b1354dad68a7e_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	fonrdvhost.exe

Executes dropped EXE 2 IoCs

Processes:

fonrdvhost.exefonrdvhost.exe

pid process

4932 fonrdvhost.exe
4568 fonrdvhost.exe

pid	process
4932	fonrdvhost.exe
4568	fonrdvhost.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

3a844cec6076901b623b1354dad68a7e_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Application = "C:\\Users\\Admin\\Pictures\\fonrdvhost.exe"	3a844cec6076901b623b1354dad68a7e_JaffaCakes118.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

RegAsm.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA RegAsm.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

fonrdvhost.exe

description pid process target process

PID 4932 set thread context of 2484 4932 fonrdvhost.exe RegAsm.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

fonrdvhost.exeRegAsm.exe

pid process

4932 fonrdvhost.exe
4932 fonrdvhost.exe
2484 RegAsm.exe
2484 RegAsm.exe
2484 RegAsm.exe
2484 RegAsm.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegAsm.exe

pid process

2484 RegAsm.exe

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

description	pid	process	target process
PID 4932 set thread context of 2484	4932	fonrdvhost.exe	RegAsm.exe

pid	process
4932	fonrdvhost.exe
4932	fonrdvhost.exe
2484	RegAsm.exe
2484	RegAsm.exe
2484	RegAsm.exe
2484	RegAsm.exe

pid	process
2484	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

3a844cec6076901b623b1354dad68a7e_JaffaCakes118.exefonrdvhost.exefonrdvhost.exeRegAsm.exe

description	pid	process
Token: SeDebugPrivilege	4416	3a844cec6076901b623b1354dad68a7e_JaffaCakes118.exe
Token: SeDebugPrivilege	4932	fonrdvhost.exe
Token: SeDebugPrivilege	4568	fonrdvhost.exe
Token: SeDebugPrivilege	2484	RegAsm.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

3a844cec6076901b623b1354dad68a7e_JaffaCakes118.exefonrdvhost.exe

description	pid	process	target process
PID 4416 wrote to memory of 4932	4416	3a844cec6076901b623b1354dad68a7e_JaffaCakes118.exe	fonrdvhost.exe
PID 4416 wrote to memory of 4932	4416	3a844cec6076901b623b1354dad68a7e_JaffaCakes118.exe	fonrdvhost.exe
PID 4416 wrote to memory of 4932	4416	3a844cec6076901b623b1354dad68a7e_JaffaCakes118.exe	fonrdvhost.exe
PID 4932 wrote to memory of 4568	4932	fonrdvhost.exe	fonrdvhost.exe
PID 4932 wrote to memory of 4568	4932	fonrdvhost.exe	fonrdvhost.exe
PID 4932 wrote to memory of 4568	4932	fonrdvhost.exe	fonrdvhost.exe
PID 4932 wrote to memory of 2484	4932	fonrdvhost.exe	RegAsm.exe
PID 4932 wrote to memory of 2484	4932	fonrdvhost.exe	RegAsm.exe
PID 4932 wrote to memory of 2484	4932	fonrdvhost.exe	RegAsm.exe
PID 4932 wrote to memory of 2484	4932	fonrdvhost.exe	RegAsm.exe
PID 4932 wrote to memory of 2484	4932	fonrdvhost.exe	RegAsm.exe
PID 4932 wrote to memory of 2484	4932	fonrdvhost.exe	RegAsm.exe
PID 4932 wrote to memory of 2484	4932	fonrdvhost.exe	RegAsm.exe
PID 4932 wrote to memory of 2484	4932	fonrdvhost.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\3a844cec6076901b623b1354dad68a7e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3a844cec6076901b623b1354dad68a7e_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4416

C:\Users\Admin\Pictures\fonrdvhost.exe
"C:\Users\Admin\Pictures\fonrdvhost.exe"
2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4932

C:\Users\Admin\Pictures\fonrdvhost.exe
"C:\Users\Admin\Pictures\fonrdvhost.exe"
3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4568

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
3⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:2484

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=3752 --field-trial-handle=2248,i,10247514684337323751,15511974759131734137,262144 --variations-seed-version /prefetch:8
1⤵
PID:4020

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\Pictures\fonrdvhost.exe
Filesize
728KB

MD5
3a844cec6076901b623b1354dad68a7e

SHA1
47c79404bc4d4b1ae7be6bbdf8fcb1e9df27ff43

SHA256
772814528f5d70b28f79e3865317a8ded4ea597d59966a7ba6cd854bc69fe9f3

SHA512
33df66525df0df52788a0b596de6116a66a2845ca33a008172c9f3b8dbf15318ffa05ffab2aa3957c803001e34752c92deb6c40510b0acb624483aae7f594f38

Download Submit
memory/2484-25-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4416-19-0x0000000075030000-0x00000000755E1000-memory.dmp

Filesize
5.7MB

Download
memory/4416-2-0x0000000075030000-0x00000000755E1000-memory.dmp

Filesize
5.7MB

Download
memory/4416-3-0x0000000075030000-0x00000000755E1000-memory.dmp

Filesize
5.7MB

Download
memory/4416-1-0x0000000075030000-0x00000000755E1000-memory.dmp

Filesize
5.7MB

Download
memory/4416-0-0x0000000075032000-0x0000000075033000-memory.dmp

Filesize
4KB

Download
memory/4568-23-0x0000000075030000-0x00000000755E1000-memory.dmp

Filesize
5.7MB

Download
memory/4568-28-0x0000000075030000-0x00000000755E1000-memory.dmp

Filesize
5.7MB

Download
memory/4568-24-0x0000000075030000-0x00000000755E1000-memory.dmp

Filesize
5.7MB

Download
memory/4568-22-0x0000000075030000-0x00000000755E1000-memory.dmp

Filesize
5.7MB

Download
memory/4932-16-0x0000000075030000-0x00000000755E1000-memory.dmp

Filesize
5.7MB

Download
memory/4932-20-0x0000000075030000-0x00000000755E1000-memory.dmp

Filesize
5.7MB

Download
memory/4932-18-0x0000000075030000-0x00000000755E1000-memory.dmp

Filesize
5.7MB

Download
memory/4932-27-0x0000000075030000-0x00000000755E1000-memory.dmp

Filesize
5.7MB

Download
memory/4932-15-0x0000000075030000-0x00000000755E1000-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