nanocore | db51bcbfe40ce228cae597a42c2dd1906bc04fae69a1bbe75653f6feeb923e41

General

Target

New Order 54380 pdf.exe
Size

881KB
MD5

e7192b48a761bbc49da028723e08889c
SHA1

b4e6b76ebfe6b0497aa456c7cac2b31fe54d3b8c
SHA256

db51bcbfe40ce228cae597a42c2dd1906bc04fae69a1bbe75653f6feeb923e41
SHA512

842b0ef943a56113154964f41a8b30a7a4771e3ec9f5d70298539190fba7d3f092a928765f52399a9d2e1864eab2fec96c83885ebc1f0a4ed2a4ea8b2b60f049

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

mnvh54254.ddns.net:6653

Mutex

ffdfcbd2-3989-4236-a47d-b9533fb19ad2

Attributes

activate_away_mode
true
backup_connection_host
mnvh54254.ddns.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-10-23T12:25:44.065726836Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
false
clear_zone_identifier
true
connect_delay
4000
connection_port
6653
default_group
AMMAGEDOM001
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
ffdfcbd2-3989-4236-a47d-b9533fb19ad2
mutex_timeout
5000
prevent_system_sleep
true
primary_connection_host
mnvh54254.ddns.net
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
Executes dropped EXE 2 IoCs

Processes:

a.exeInstallUtil.exe

pid process

1096 a.exe
856 InstallUtil.exe
Drops startup file 1 IoCs

Processes:

New Order 54380 pdf.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\a.lnk New Order 54380 pdf.exe
Loads dropped DLL 2 IoCs

Processes:

New Order 54380 pdf.exea.exe

pid process

2012 New Order 54380 pdf.exe
1096 a.exe

pid	process
1096	a.exe
856	InstallUtil.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\a.lnk	New Order 54380 pdf.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

InstallUtil.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\WPA Host = "C:\\Program Files (x86)\\WPA Host\\wpahost.exe"	InstallUtil.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

InstallUtil.exe

description ioc process

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

Processes:

a.exe

description pid process target process

PID 1096 set thread context of 856 1096 a.exe InstallUtil.exe

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

description	pid	process	target process
PID 1096 set thread context of 856	1096	a.exe	InstallUtil.exe

Drops file in Program Files directory 2 IoCs

Processes:

InstallUtil.exe

description	ioc	process
File created	C:\Program Files (x86)\WPA Host\wpahost.exe	InstallUtil.exe
File opened for modification	C:\Program Files (x86)\WPA Host\wpahost.exe	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

New Order 54380 pdf.exea.exeInstallUtil.exe

pid	process
2012	New Order 54380 pdf.exe
2012	New Order 54380 pdf.exe
2012	New Order 54380 pdf.exe
2012	New Order 54380 pdf.exe
2012	New Order 54380 pdf.exe
1096	a.exe
1096	a.exe
856	InstallUtil.exe
856	InstallUtil.exe
856	InstallUtil.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

InstallUtil.exe

pid process

856 InstallUtil.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

New Order 54380 pdf.exea.exeInstallUtil.exe

description pid process

Token: SeDebugPrivilege 2012 New Order 54380 pdf.exe
Token: SeDebugPrivilege 1096 a.exe
Token: SeDebugPrivilege 856 InstallUtil.exe

pid	process
856	InstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	2012	New Order 54380 pdf.exe
Token: SeDebugPrivilege	1096	a.exe
Token: SeDebugPrivilege	856	InstallUtil.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

New Order 54380 pdf.exea.exe

description	pid	process	target process
PID 2012 wrote to memory of 1096	2012	New Order 54380 pdf.exe	a.exe
PID 2012 wrote to memory of 1096	2012	New Order 54380 pdf.exe	a.exe
PID 2012 wrote to memory of 1096	2012	New Order 54380 pdf.exe	a.exe
PID 2012 wrote to memory of 1096	2012	New Order 54380 pdf.exe	a.exe
PID 1096 wrote to memory of 856	1096	a.exe	InstallUtil.exe
PID 1096 wrote to memory of 856	1096	a.exe	InstallUtil.exe
PID 1096 wrote to memory of 856	1096	a.exe	InstallUtil.exe
PID 1096 wrote to memory of 856	1096	a.exe	InstallUtil.exe
PID 1096 wrote to memory of 856	1096	a.exe	InstallUtil.exe
PID 1096 wrote to memory of 856	1096	a.exe	InstallUtil.exe
PID 1096 wrote to memory of 856	1096	a.exe	InstallUtil.exe
PID 1096 wrote to memory of 856	1096	a.exe	InstallUtil.exe
PID 1096 wrote to memory of 856	1096	a.exe	InstallUtil.exe
PID 1096 wrote to memory of 856	1096	a.exe	InstallUtil.exe
PID 1096 wrote to memory of 856	1096	a.exe	InstallUtil.exe
PID 1096 wrote to memory of 856	1096	a.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\New Order 54380 pdf.exe
"C:\Users\Admin\AppData\Local\Temp\New Order 54380 pdf.exe"
1⤵
- Drops startup file
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2012

C:\Users\Admin\AppData\Roaming\a.exe
"C:\Users\Admin\AppData\Roaming\a.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1096

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:856

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
C:\Users\Admin\AppData\Roaming\a.exe
MD5
e7192b48a761bbc49da028723e08889c

SHA1
b4e6b76ebfe6b0497aa456c7cac2b31fe54d3b8c

SHA256
db51bcbfe40ce228cae597a42c2dd1906bc04fae69a1bbe75653f6feeb923e41

SHA512
842b0ef943a56113154964f41a8b30a7a4771e3ec9f5d70298539190fba7d3f092a928765f52399a9d2e1864eab2fec96c83885ebc1f0a4ed2a4ea8b2b60f049

Download Submit
C:\Users\Admin\AppData\Roaming\a.exe
MD5
e7192b48a761bbc49da028723e08889c

SHA1
b4e6b76ebfe6b0497aa456c7cac2b31fe54d3b8c

SHA256
db51bcbfe40ce228cae597a42c2dd1906bc04fae69a1bbe75653f6feeb923e41

SHA512
842b0ef943a56113154964f41a8b30a7a4771e3ec9f5d70298539190fba7d3f092a928765f52399a9d2e1864eab2fec96c83885ebc1f0a4ed2a4ea8b2b60f049

Download Submit
\Users\Admin\AppData\Local\Temp\InstallUtil.exe
MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
\Users\Admin\AppData\Roaming\a.exe
MD5
e7192b48a761bbc49da028723e08889c

SHA1
b4e6b76ebfe6b0497aa456c7cac2b31fe54d3b8c

SHA256
db51bcbfe40ce228cae597a42c2dd1906bc04fae69a1bbe75653f6feeb923e41

SHA512
842b0ef943a56113154964f41a8b30a7a4771e3ec9f5d70298539190fba7d3f092a928765f52399a9d2e1864eab2fec96c83885ebc1f0a4ed2a4ea8b2b60f049

Download Submit
memory/856-21-0x000000000041E792-mapping.dmp

Download
memory/856-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/856-30-0x0000000000470000-0x0000000000473000-memory.dmp

Filesize
12KB

Download
memory/856-29-0x00000000009B0000-0x00000000009C9000-memory.dmp

Filesize
100KB

Download
memory/856-28-0x0000000000460000-0x0000000000465000-memory.dmp

Filesize
20KB

Download
memory/856-25-0x0000000074BA0000-0x000000007528E000-memory.dmp

Filesize
6.9MB

Download
memory/856-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/856-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1096-17-0x00000000011D0000-0x00000000011D1000-memory.dmp

Filesize
4KB

Download
memory/1096-8-0x0000000000000000-mapping.dmp

Download
memory/1096-16-0x0000000000C80000-0x0000000000C8B000-memory.dmp

Filesize
44KB

Download
memory/1096-12-0x00000000013B0000-0x00000000013B1000-memory.dmp

Filesize
4KB

Download
memory/1096-11-0x0000000074BA0000-0x000000007528E000-memory.dmp

Filesize
6.9MB

Download
memory/2012-2-0x0000000074BA0000-0x000000007528E000-memory.dmp

Filesize
6.9MB

Download
memory/2012-3-0x00000000008E0000-0x00000000008E1000-memory.dmp

Filesize
4KB

Download
memory/2012-5-0x0000000000280000-0x000000000029E000-memory.dmp

Filesize
120KB

Download
memory/2012-6-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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