nanocore | 52c280a9e1df79b39d176d673ebda000c46d89eab1477eae5b1a62f4ab8373bb

General

Target

ozT6Kif37P9Trrb.exe
Size

561KB
MD5

0e66d7d3cea736262ae210aaaa00eeb5
SHA1

94393bb0ad4eeb3f818e34f57395642920920bb8
SHA256

52c280a9e1df79b39d176d673ebda000c46d89eab1477eae5b1a62f4ab8373bb
SHA512

1374f58fff67abef6c7f36bc023fc5bb7f19de5dae5c4d59601e31ba583be99deefc6846100f2de9283b002138c7d3c38c11cda30bdf6f7653da7e81bb108e67

Score

10^/10

nanocore keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

obeyice4rm392.bounceme.net:8951

127.0.0.1:8951

Mutex

fea2b910-0578-480b-a4fe-76b7fc47c575

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-10-21T16:01:45.030500436Z
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
8951
default_group
Phaddy
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
fea2b910-0578-480b-a4fe-76b7fc47c575
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
obeyice4rm392.bounceme.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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

RegSvcs.exe

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

ozT6Kif37P9Trrb.exe

description pid process target process

PID 1580 set thread context of 1104 1580 ozT6Kif37P9Trrb.exe RegSvcs.exe

description	pid	process	target process
PID 1580 set thread context of 1104	1580	ozT6Kif37P9Trrb.exe	RegSvcs.exe

Drops file in Program Files directory 2 IoCs

Processes:

RegSvcs.exe

description	ioc	process
File created	C:\Program Files (x86)\WPA Service\wpasvc.exe	RegSvcs.exe
File opened for modification	C:\Program Files (x86)\WPA Service\wpasvc.exe	RegSvcs.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

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
T1053

Processes:

schtasks.exeschtasks.exeschtasks.exe

pid process

1628 schtasks.exe
1968 schtasks.exe
1340 schtasks.exe

pid	process
1628	schtasks.exe
1968	schtasks.exe
1340	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

ozT6Kif37P9Trrb.exepowershell.exeRegSvcs.exe

pid	process
1580	ozT6Kif37P9Trrb.exe
1580	ozT6Kif37P9Trrb.exe
456	powershell.exe
1104	RegSvcs.exe
1104	RegSvcs.exe
1104	RegSvcs.exe
1104	RegSvcs.exe
1104	RegSvcs.exe
1104	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegSvcs.exe

pid process

1104 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

ozT6Kif37P9Trrb.exepowershell.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 1580 ozT6Kif37P9Trrb.exe
Token: SeDebugPrivilege 456 powershell.exe
Token: SeDebugPrivilege 1104 RegSvcs.exe

pid	process
1104	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1580	ozT6Kif37P9Trrb.exe
Token: SeDebugPrivilege	456	powershell.exe
Token: SeDebugPrivilege	1104	RegSvcs.exe

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

ozT6Kif37P9Trrb.exeRegSvcs.exe

description	pid	process	target process
PID 1580 wrote to memory of 456	1580	ozT6Kif37P9Trrb.exe	powershell.exe
PID 1580 wrote to memory of 456	1580	ozT6Kif37P9Trrb.exe	powershell.exe
PID 1580 wrote to memory of 456	1580	ozT6Kif37P9Trrb.exe	powershell.exe
PID 1580 wrote to memory of 456	1580	ozT6Kif37P9Trrb.exe	powershell.exe
PID 1580 wrote to memory of 1628	1580	ozT6Kif37P9Trrb.exe	schtasks.exe
PID 1580 wrote to memory of 1628	1580	ozT6Kif37P9Trrb.exe	schtasks.exe
PID 1580 wrote to memory of 1628	1580	ozT6Kif37P9Trrb.exe	schtasks.exe
PID 1580 wrote to memory of 1628	1580	ozT6Kif37P9Trrb.exe	schtasks.exe
PID 1580 wrote to memory of 1104	1580	ozT6Kif37P9Trrb.exe	RegSvcs.exe
PID 1580 wrote to memory of 1104	1580	ozT6Kif37P9Trrb.exe	RegSvcs.exe
PID 1580 wrote to memory of 1104	1580	ozT6Kif37P9Trrb.exe	RegSvcs.exe
PID 1580 wrote to memory of 1104	1580	ozT6Kif37P9Trrb.exe	RegSvcs.exe
PID 1580 wrote to memory of 1104	1580	ozT6Kif37P9Trrb.exe	RegSvcs.exe
PID 1580 wrote to memory of 1104	1580	ozT6Kif37P9Trrb.exe	RegSvcs.exe
PID 1580 wrote to memory of 1104	1580	ozT6Kif37P9Trrb.exe	RegSvcs.exe
PID 1580 wrote to memory of 1104	1580	ozT6Kif37P9Trrb.exe	RegSvcs.exe
PID 1580 wrote to memory of 1104	1580	ozT6Kif37P9Trrb.exe	RegSvcs.exe
PID 1580 wrote to memory of 1104	1580	ozT6Kif37P9Trrb.exe	RegSvcs.exe
PID 1580 wrote to memory of 1104	1580	ozT6Kif37P9Trrb.exe	RegSvcs.exe
PID 1580 wrote to memory of 1104	1580	ozT6Kif37P9Trrb.exe	RegSvcs.exe
PID 1104 wrote to memory of 1968	1104	RegSvcs.exe	schtasks.exe
PID 1104 wrote to memory of 1968	1104	RegSvcs.exe	schtasks.exe
PID 1104 wrote to memory of 1968	1104	RegSvcs.exe	schtasks.exe
PID 1104 wrote to memory of 1968	1104	RegSvcs.exe	schtasks.exe
PID 1104 wrote to memory of 1340	1104	RegSvcs.exe	schtasks.exe
PID 1104 wrote to memory of 1340	1104	RegSvcs.exe	schtasks.exe
PID 1104 wrote to memory of 1340	1104	RegSvcs.exe	schtasks.exe
PID 1104 wrote to memory of 1340	1104	RegSvcs.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\ozT6Kif37P9Trrb.exe
"C:\Users\Admin\AppData\Local\Temp\ozT6Kif37P9Trrb.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1580

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\cVaRnofAle.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:456

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\cVaRnofAle" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8305.tmp"
2⤵
- Creates scheduled task(s)
PID:1628

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\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:1104

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "WPA Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8BDB.tmp"
3⤵
- Creates scheduled task(s)
PID:1968

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "WPA Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp9280.tmp"
3⤵
- Creates scheduled task(s)
PID:1340

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

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\tmp8305.tmp
MD5
a259a52b8c4d109468c0ea62212128b6

SHA1
ff9c4ee7dca535468eba2d51fcffb851b1702220

SHA256
2641a0ca2129727dbf78aa14b5ef43cce68d7a48e4d46aac6fd23fae2b8bd77e

SHA512
8b03c8421f543f84bcbe8efc2978542245569cb99e86e4e1f9a2c2cf89b47d2037674555ae387029461354095381dcdf7af4cd5db0f54772446f2ee4969cd635

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8BDB.tmp
MD5
8cad1b41587ced0f1e74396794f31d58

SHA1
11054bf74fcf5e8e412768035e4dae43aa7b710f

SHA256
3086d914f6b23268f8a12cb1a05516cd5465c2577e1d1e449f1b45c8e5e8f83c

SHA512
99c2ef89029de51a866df932841684b7fc912df21e10e2dd0d09e400203bbdc6cba6319a31780b7bf8b286d2cea8ea3fc7d084348bf2f002ab4f5a34218ccbef

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp9280.tmp
MD5
1c18d34e4c00b9a6b81126a2f10bbb74

SHA1
9c975e7627bdb8d7af3615684d59fa02c3b81902

SHA256
ee68aecf2917fd9ddd167e6403d3149ac3dd7f346f3c9c66b6d75620b0ccd621

SHA512
75a3ecebd55c8e433199122925c7c612fe3ea23a93fbca10ed83c80f11396da428581e36c42e98a0eef5210630cea040ed0da076bfcb620ddb38dee7152b816d

Download Submit
memory/456-76-0x00000000024F0000-0x000000000313A000-memory.dmp

Filesize
12.3MB

Download
memory/456-75-0x00000000024F0000-0x000000000313A000-memory.dmp

Filesize
12.3MB

Download
memory/456-72-0x00000000024F0000-0x000000000313A000-memory.dmp

Filesize
12.3MB

Download
memory/456-61-0x0000000000000000-mapping.dmp

Download
memory/1104-66-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1104-88-0x0000000001FE0000-0x0000000001FF2000-memory.dmp

Filesize
72KB

Download
memory/1104-65-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1104-96-0x00000000021D0000-0x00000000021E4000-memory.dmp

Filesize
80KB

Download
memory/1104-67-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1104-68-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1104-69-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1104-70-0x000000000041E792-mapping.dmp

Download
memory/1104-71-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1104-73-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1104-95-0x0000000002160000-0x000000000218E000-memory.dmp

Filesize
184KB

Download
memory/1104-74-0x0000000002040000-0x0000000002041000-memory.dmp

Filesize
4KB

Download
memory/1104-94-0x0000000002140000-0x000000000214E000-memory.dmp

Filesize
56KB

Download
memory/1104-93-0x00000000020F0000-0x0000000002104000-memory.dmp

Filesize
80KB

Download
memory/1104-92-0x00000000020A0000-0x00000000020B0000-memory.dmp

Filesize
64KB

Download
memory/1104-91-0x0000000002090000-0x00000000020A4000-memory.dmp

Filesize
80KB

Download
memory/1104-90-0x0000000002080000-0x000000000208C000-memory.dmp

Filesize
48KB

Download
memory/1104-89-0x0000000002030000-0x000000000203E000-memory.dmp

Filesize
56KB

Download
memory/1104-81-0x0000000000490000-0x000000000049A000-memory.dmp

Filesize
40KB

Download
memory/1104-82-0x00000000004B0000-0x00000000004CE000-memory.dmp

Filesize
120KB

Download
memory/1104-83-0x00000000004A0000-0x00000000004AA000-memory.dmp

Filesize
40KB

Download
memory/1104-84-0x0000000002045000-0x0000000002056000-memory.dmp

Filesize
68KB

Download
memory/1104-85-0x00000000006D0000-0x00000000006E2000-memory.dmp

Filesize
72KB

Download
memory/1104-86-0x0000000001F20000-0x0000000001F3A000-memory.dmp

Filesize
104KB

Download
memory/1104-87-0x0000000001F40000-0x0000000001F4E000-memory.dmp

Filesize
56KB

Download
memory/1340-79-0x0000000000000000-mapping.dmp

Download
memory/1580-56-0x0000000000EB0000-0x0000000000F42000-memory.dmp

Filesize
584KB

Download
memory/1580-57-0x00000000763F1000-0x00000000763F3000-memory.dmp

Filesize
8KB

Download
memory/1580-58-0x0000000004CB0000-0x0000000004CB1000-memory.dmp

Filesize
4KB

Download
memory/1580-59-0x0000000000490000-0x000000000049E000-memory.dmp

Filesize
56KB

Download
memory/1580-60-0x0000000004F50000-0x0000000004FBC000-memory.dmp

Filesize
432KB

Download
memory/1580-55-0x0000000000EB0000-0x0000000000F42000-memory.dmp

Filesize
584KB

Download
memory/1628-62-0x0000000000000000-mapping.dmp

Download
memory/1968-77-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads