nanocore | 9c938f8e94643ad33b584babba2855c548b37f361d2f13568ddee124af8e3ccd

General

Target

b231e71774a45bda8ef5959e0fdd554f.exe
Size

995KB
MD5

b231e71774a45bda8ef5959e0fdd554f
SHA1

283a0688d2412ec3fe0f919b9f5f3ab22c9f092f
SHA256

9c938f8e94643ad33b584babba2855c548b37f361d2f13568ddee124af8e3ccd
SHA512

f55249920e16150f045458a5eadcca731899f18272cd301f4fdc4b1882fceda5071062ed685b6e03adc5c2b8bd93de552a11be399436f54b2c8098754fadf2ce

Score

10^/10

nanocore keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

1119.hopto.org:1119

185.140.53.9:1119

Mutex

2b2622d1-e434-40aa-b324-cf4ea706e69e

Attributes

activate_away_mode
true
backup_connection_host
185.140.53.9
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-01-16T05:21:08.489337336Z
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
1119
default_group
1119
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
2b2622d1-e434-40aa-b324-cf4ea706e69e
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
1119.hopto.org
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\ISS Manager = "C:\\Program Files (x86)\\ISS Manager\\issmgr.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

b231e71774a45bda8ef5959e0fdd554f.exe

description pid process target process

PID 3904 set thread context of 3928 3904 b231e71774a45bda8ef5959e0fdd554f.exe RegSvcs.exe

description	pid	process	target process
PID 3904 set thread context of 3928	3904	b231e71774a45bda8ef5959e0fdd554f.exe	RegSvcs.exe

Drops file in Program Files directory 2 IoCs

Processes:

RegSvcs.exe

description	ioc	process
File created	C:\Program Files (x86)\ISS Manager\issmgr.exe	RegSvcs.exe
File opened for modification	C:\Program Files (x86)\ISS Manager\issmgr.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

2152 schtasks.exe
2716 schtasks.exe
184 schtasks.exe
Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

b231e71774a45bda8ef5959e0fdd554f.exeRegSvcs.exe

pid process

3904 b231e71774a45bda8ef5959e0fdd554f.exe
3928 RegSvcs.exe
3928 RegSvcs.exe
3928 RegSvcs.exe
3928 RegSvcs.exe
3928 RegSvcs.exe
3928 RegSvcs.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegSvcs.exe

pid process

3928 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

b231e71774a45bda8ef5959e0fdd554f.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 3904 b231e71774a45bda8ef5959e0fdd554f.exe
Token: SeDebugPrivilege 3928 RegSvcs.exe

pid	process
2152	schtasks.exe
2716	schtasks.exe
184	schtasks.exe

pid	process
3904	b231e71774a45bda8ef5959e0fdd554f.exe
3928	RegSvcs.exe
3928	RegSvcs.exe
3928	RegSvcs.exe
3928	RegSvcs.exe
3928	RegSvcs.exe
3928	RegSvcs.exe

pid	process
3928	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	3904	b231e71774a45bda8ef5959e0fdd554f.exe
Token: SeDebugPrivilege	3928	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

b231e71774a45bda8ef5959e0fdd554f.exeRegSvcs.exe

description	pid	process	target process
PID 3904 wrote to memory of 2152	3904	b231e71774a45bda8ef5959e0fdd554f.exe	schtasks.exe
PID 3904 wrote to memory of 2152	3904	b231e71774a45bda8ef5959e0fdd554f.exe	schtasks.exe
PID 3904 wrote to memory of 2152	3904	b231e71774a45bda8ef5959e0fdd554f.exe	schtasks.exe
PID 3904 wrote to memory of 3928	3904	b231e71774a45bda8ef5959e0fdd554f.exe	RegSvcs.exe
PID 3904 wrote to memory of 3928	3904	b231e71774a45bda8ef5959e0fdd554f.exe	RegSvcs.exe
PID 3904 wrote to memory of 3928	3904	b231e71774a45bda8ef5959e0fdd554f.exe	RegSvcs.exe
PID 3904 wrote to memory of 3928	3904	b231e71774a45bda8ef5959e0fdd554f.exe	RegSvcs.exe
PID 3904 wrote to memory of 3928	3904	b231e71774a45bda8ef5959e0fdd554f.exe	RegSvcs.exe
PID 3904 wrote to memory of 3928	3904	b231e71774a45bda8ef5959e0fdd554f.exe	RegSvcs.exe
PID 3904 wrote to memory of 3928	3904	b231e71774a45bda8ef5959e0fdd554f.exe	RegSvcs.exe
PID 3904 wrote to memory of 3928	3904	b231e71774a45bda8ef5959e0fdd554f.exe	RegSvcs.exe
PID 3928 wrote to memory of 2716	3928	RegSvcs.exe	schtasks.exe
PID 3928 wrote to memory of 2716	3928	RegSvcs.exe	schtasks.exe
PID 3928 wrote to memory of 2716	3928	RegSvcs.exe	schtasks.exe
PID 3928 wrote to memory of 184	3928	RegSvcs.exe	schtasks.exe
PID 3928 wrote to memory of 184	3928	RegSvcs.exe	schtasks.exe
PID 3928 wrote to memory of 184	3928	RegSvcs.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\b231e71774a45bda8ef5959e0fdd554f.exe
"C:\Users\Admin\AppData\Local\Temp\b231e71774a45bda8ef5959e0fdd554f.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3904

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CLnhOn" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAED3.tmp"
2⤵
- Creates scheduled task(s)
PID:2152

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
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:3928

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "ISS Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmpB24E.tmp"
3⤵
- Creates scheduled task(s)
PID:2716

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "ISS Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpB28E.tmp"
3⤵
- Creates scheduled task(s)
PID:184

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmpAED3.tmp
MD5
e854b857ed236355d9a98d48bf8120aa

SHA1
bfb68de678f2849d14a96edacfcc8e152fac2a6a

SHA256
c42867c53dc35295d3b45cee955237e36523ae9a7ade01dc7cd5afc6984cf00c

SHA512
e6a61ee993958d26624d37065a007a78d90dff430724ad67fb037cb64be372795e6eae822b45daa5197c4d7287c7c604a0e01ce3575b3d8aebd89c07c793aea5

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpB24E.tmp
MD5
8cad1b41587ced0f1e74396794f31d58

SHA1
11054bf74fcf5e8e412768035e4dae43aa7b710f

SHA256
3086d914f6b23268f8a12cb1a05516cd5465c2577e1d1e449f1b45c8e5e8f83c

SHA512
99c2ef89029de51a866df932841684b7fc912df21e10e2dd0d09e400203bbdc6cba6319a31780b7bf8b286d2cea8ea3fc7d084348bf2f002ab4f5a34218ccbef

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpB28E.tmp
MD5
ea7095fa975a5ac043c9de2899ce61d0

SHA1
ba4e21d0728fb1b4b87006c2e8ceb6109c9046a3

SHA256
5a1ba7b1b91e0bb7aedcfa82dc687972abb31f72ae1613ac586938ef0843f30f

SHA512
b52c8f1b58f263a3d1ad1ef9939167853a5f55033d9ad8976130174c7118407711a0703266c7d2d542bc2ca8119f875e35cc791b9dd70ef83b5310ac1e7cd1cb

Download Submit
memory/184-136-0x0000000000000000-mapping.dmp

Download
memory/2152-124-0x0000000000000000-mapping.dmp

Download
memory/2716-134-0x0000000000000000-mapping.dmp

Download
memory/3904-123-0x00000000014E0000-0x000000000155B000-memory.dmp

Filesize
492KB

Download
memory/3904-117-0x0000000005420000-0x0000000005421000-memory.dmp

Filesize
4KB

Download
memory/3904-114-0x0000000000AB0000-0x0000000000AB1000-memory.dmp

Filesize
4KB

Download
memory/3904-121-0x00000000089C0000-0x00000000089C5000-memory.dmp

Filesize
20KB

Download
memory/3904-120-0x00000000089F0000-0x00000000089F1000-memory.dmp

Filesize
4KB

Download
memory/3904-122-0x0000000008D30000-0x0000000008DF9000-memory.dmp

Filesize
804KB

Download
memory/3904-116-0x0000000005920000-0x0000000005921000-memory.dmp

Filesize
4KB

Download
memory/3904-119-0x00000000053D0000-0x00000000053D1000-memory.dmp

Filesize
4KB

Download
memory/3904-118-0x0000000005420000-0x000000000591E000-memory.dmp

Filesize
5.0MB

Download
memory/3928-142-0x00000000054B0000-0x00000000059AE000-memory.dmp

Filesize
5.0MB

Download
memory/3928-145-0x0000000006EF0000-0x0000000006EF6000-memory.dmp

Filesize
24KB

Download
memory/3928-138-0x0000000005490000-0x0000000005495000-memory.dmp

Filesize
20KB

Download
memory/3928-139-0x0000000005530000-0x0000000005549000-memory.dmp

Filesize
100KB

Download
memory/3928-140-0x00000000059A0000-0x00000000059A3000-memory.dmp

Filesize
12KB

Download
memory/3928-141-0x00000000054B0000-0x00000000059AE000-memory.dmp

Filesize
5.0MB

Download
memory/3928-126-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3928-143-0x0000000006620000-0x000000000662D000-memory.dmp

Filesize
52KB

Download
memory/3928-144-0x0000000006630000-0x0000000006645000-memory.dmp

Filesize
84KB

Download
memory/3928-127-0x000000000041E792-mapping.dmp

Download
memory/3928-146-0x0000000006F00000-0x0000000006F0C000-memory.dmp

Filesize
48KB

Download
memory/3928-147-0x0000000006F10000-0x0000000006F17000-memory.dmp

Filesize
28KB

Download
memory/3928-148-0x0000000006F20000-0x0000000006F26000-memory.dmp

Filesize
24KB

Download
memory/3928-149-0x0000000006F30000-0x0000000006F3D000-memory.dmp

Filesize
52KB

Download
memory/3928-150-0x0000000006F40000-0x0000000006F49000-memory.dmp

Filesize
36KB

Download
memory/3928-151-0x0000000006F50000-0x0000000006F5F000-memory.dmp

Filesize
60KB

Download
memory/3928-152-0x0000000006F70000-0x0000000006F7A000-memory.dmp

Filesize
40KB

Download
memory/3928-153-0x0000000006F80000-0x0000000006FA9000-memory.dmp

Filesize
164KB

Download
memory/3928-154-0x0000000006FC0000-0x0000000006FCF000-memory.dmp

Filesize
60KB

Download
memory/3928-155-0x00000000071C0000-0x00000000071C1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads