nanocore | 5218e441332d1797b3cb0cb5bc19690e74f6f36e3dd6f7cbc19bec2aef488925

General

Target

BALANCE_PAYMENT.exe
Size

311KB
MD5

7259e551f0ca61ec0ccd8b2f9498f135
SHA1

9556302be792b619ffc4744ffcddf222f17a4308
SHA256

e0cbcef35186de417efe0e7aecb1d88073526260fca7b05b37160ebac37ba5b0
SHA512

f37742e94f5a89e2a1b4e6dec78837011df7dd59d84d03bfae598b05aaadd9f7e5c8aca4f0803b41fa559546120154e716e622768e0eea78908eaa2903351aea
SSDEEP

6144:Yi4CZ4UZR6B39OxyifTuJ2T7RLQWOdfzvLrU+3zoDJESoxpGTYa:Yi4CZVZR43cIwQ2T6lg+AOSIAT1

Score

10^/10

nanocore evasion keylogger persistence rezer0 spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

thepunisherkills.duckdns.org:4300

127.0.0.1:4300

Mutex

e0e4581e-3d5b-424a-b854-ccddd9021f6b

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-01-08T19:56:16.943028836Z
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
4300
default_group
XXXXXX
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
e0e4581e-3d5b-424a-b854-ccddd9021f6b
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
thepunisherkills.duckdns.org
primary_dns_server
8.8.8.8
request_elevation
false
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

ReZer0 packer 1 IoCs

Detects ReZer0, a packer with multiple versions used in various campaigns.

rezer0

Processes:

resource	yara_rule
behavioral1/memory/1888-3-0x0000000000610000-0x0000000000652000-memory.dmp	rezer0

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

BALANCE_PAYMENT.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\DDP Subsystem = "C:\\Program Files (x86)\\DDP Subsystem\\ddpss.exe"	BALANCE_PAYMENT.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

BALANCE_PAYMENT.exe

description ioc process

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

Processes:

BALANCE_PAYMENT.exe

description pid process target process

PID 1888 set thread context of 2676 1888 BALANCE_PAYMENT.exe BALANCE_PAYMENT.exe

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

description	pid	process	target process
PID 1888 set thread context of 2676	1888	BALANCE_PAYMENT.exe	BALANCE_PAYMENT.exe

Drops file in Program Files directory 2 IoCs

Processes:

BALANCE_PAYMENT.exe

description	ioc	process
File created	C:\Program Files (x86)\DDP Subsystem\ddpss.exe	BALANCE_PAYMENT.exe
File opened for modification	C:\Program Files (x86)\DDP Subsystem\ddpss.exe	BALANCE_PAYMENT.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

2560 schtasks.exe
2936 schtasks.exe
2612 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

BALANCE_PAYMENT.exeBALANCE_PAYMENT.exe

pid process

1888 BALANCE_PAYMENT.exe
1888 BALANCE_PAYMENT.exe
2676 BALANCE_PAYMENT.exe
2676 BALANCE_PAYMENT.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

BALANCE_PAYMENT.exe

pid process

2676 BALANCE_PAYMENT.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

BALANCE_PAYMENT.exeBALANCE_PAYMENT.exe

description pid process

Token: SeDebugPrivilege 1888 BALANCE_PAYMENT.exe
Token: SeDebugPrivilege 2676 BALANCE_PAYMENT.exe

pid	process
2560	schtasks.exe
2936	schtasks.exe
2612	schtasks.exe

pid	process
1888	BALANCE_PAYMENT.exe
1888	BALANCE_PAYMENT.exe
2676	BALANCE_PAYMENT.exe
2676	BALANCE_PAYMENT.exe

pid	process
2676	BALANCE_PAYMENT.exe

description	pid	process
Token: SeDebugPrivilege	1888	BALANCE_PAYMENT.exe
Token: SeDebugPrivilege	2676	BALANCE_PAYMENT.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

BALANCE_PAYMENT.exeBALANCE_PAYMENT.exe

description	pid	process	target process
PID 1888 wrote to memory of 2936	1888	BALANCE_PAYMENT.exe	schtasks.exe
PID 1888 wrote to memory of 2936	1888	BALANCE_PAYMENT.exe	schtasks.exe
PID 1888 wrote to memory of 2936	1888	BALANCE_PAYMENT.exe	schtasks.exe
PID 1888 wrote to memory of 2936	1888	BALANCE_PAYMENT.exe	schtasks.exe
PID 1888 wrote to memory of 2600	1888	BALANCE_PAYMENT.exe	BALANCE_PAYMENT.exe
PID 1888 wrote to memory of 2600	1888	BALANCE_PAYMENT.exe	BALANCE_PAYMENT.exe
PID 1888 wrote to memory of 2600	1888	BALANCE_PAYMENT.exe	BALANCE_PAYMENT.exe
PID 1888 wrote to memory of 2600	1888	BALANCE_PAYMENT.exe	BALANCE_PAYMENT.exe
PID 1888 wrote to memory of 2676	1888	BALANCE_PAYMENT.exe	BALANCE_PAYMENT.exe
PID 1888 wrote to memory of 2676	1888	BALANCE_PAYMENT.exe	BALANCE_PAYMENT.exe
PID 1888 wrote to memory of 2676	1888	BALANCE_PAYMENT.exe	BALANCE_PAYMENT.exe
PID 1888 wrote to memory of 2676	1888	BALANCE_PAYMENT.exe	BALANCE_PAYMENT.exe
PID 1888 wrote to memory of 2676	1888	BALANCE_PAYMENT.exe	BALANCE_PAYMENT.exe
PID 1888 wrote to memory of 2676	1888	BALANCE_PAYMENT.exe	BALANCE_PAYMENT.exe
PID 1888 wrote to memory of 2676	1888	BALANCE_PAYMENT.exe	BALANCE_PAYMENT.exe
PID 1888 wrote to memory of 2676	1888	BALANCE_PAYMENT.exe	BALANCE_PAYMENT.exe
PID 1888 wrote to memory of 2676	1888	BALANCE_PAYMENT.exe	BALANCE_PAYMENT.exe
PID 2676 wrote to memory of 2612	2676	BALANCE_PAYMENT.exe	schtasks.exe
PID 2676 wrote to memory of 2612	2676	BALANCE_PAYMENT.exe	schtasks.exe
PID 2676 wrote to memory of 2612	2676	BALANCE_PAYMENT.exe	schtasks.exe
PID 2676 wrote to memory of 2612	2676	BALANCE_PAYMENT.exe	schtasks.exe
PID 2676 wrote to memory of 2560	2676	BALANCE_PAYMENT.exe	schtasks.exe
PID 2676 wrote to memory of 2560	2676	BALANCE_PAYMENT.exe	schtasks.exe
PID 2676 wrote to memory of 2560	2676	BALANCE_PAYMENT.exe	schtasks.exe
PID 2676 wrote to memory of 2560	2676	BALANCE_PAYMENT.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\BALANCE_PAYMENT.exe
"C:\Users\Admin\AppData\Local\Temp\BALANCE_PAYMENT.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1888

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CPejPqzxawkd" /XML "C:\Users\Admin\AppData\Local\Temp\tmp147A.tmp"
2⤵
- Creates scheduled task(s)
PID:2936

C:\Users\Admin\AppData\Local\Temp\BALANCE_PAYMENT.exe
"{path}"
2⤵
PID:2600

C:\Users\Admin\AppData\Local\Temp\BALANCE_PAYMENT.exe
"{path}"
2⤵
- 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
- Suspicious use of WriteProcessMemory
PID:2676

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DDP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1777.tmp"
3⤵
- Creates scheduled task(s)
PID:2612

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DDP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp17C6.tmp"
3⤵
- Creates scheduled task(s)
PID:2560

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

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp147A.tmp
Filesize
1KB

MD5
108111f334acf4e8338aa89ccddc34cb

SHA1
1ffd2ce2ed17463366ad75dcaf7853949a7ea77d

SHA256
9833a906174ec2b2302d6d494a1d745e82e4a4a9e57f062c20cefb6a652aeeb3

SHA512
e0bcbd819f1b4164af3866f6587a393eb80b7a6f9d632fb111624ff540b6306ab9eef4e709a73d68cb2560ff5ff9ba84d3d5b12a708fb2fb15ae88d4c6047065

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1777.tmp
Filesize
1KB

MD5
e64b9071d108e3475222f3dc254d8a17

SHA1
ca96ba1b23c923a11ea0da06c986d09ec938a738

SHA256
fcd18373051a8cfea88c25dbe10afd486243d8451be0f18964b1c3eaeb421bd4

SHA512
fb5e468b5f12e024c388058a8d86b77189046e8bdf63207a7324cc0957bf1e5ac35cb3450032dadfbe6c76a3b9d27c898dfce04d248f5265b2b3f49afc58fcef

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp17C6.tmp
Filesize
1KB

MD5
8e2d5fba24ae8a54087d8e6cadc188c1

SHA1
548555025543b4773b8f36301f5fa5003e1c85dc

SHA256
f8a3739cca23897792b42a11a21adcce745201fa19f8d84ec66a6e0c5e519759

SHA512
9246583d7b08152cd73dc40254013e1ae4b8c93603dbb1f4e6b82624e14b134c59de6c8039b588f14075602768a388121e985f886322ae5fb9ec2eee94d4ea3d

Download Submit
memory/1888-0-0x00000000747BE000-0x00000000747BF000-memory.dmp

Filesize
4KB

Download
memory/1888-1-0x0000000001010000-0x0000000001064000-memory.dmp

Filesize
336KB

Download
memory/1888-2-0x00000000747B0000-0x0000000074E9E000-memory.dmp

Filesize
6.9MB

Download
memory/1888-3-0x0000000000610000-0x0000000000652000-memory.dmp

Filesize
264KB

Download
memory/1888-20-0x00000000747B0000-0x0000000074E9E000-memory.dmp

Filesize
6.9MB

Download
memory/2676-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2676-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2676-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2676-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2676-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2676-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2676-9-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2676-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2676-28-0x00000000006F0000-0x00000000006FA000-memory.dmp

Filesize
40KB

Download
memory/2676-29-0x0000000000A00000-0x0000000000A1E000-memory.dmp

Filesize
120KB

Download
memory/2676-30-0x0000000000A60000-0x0000000000A6A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads