nanocore | a04ab9db28f46cc5a2efc487c63660df3c7c061f179dbe5e0cc175915720a832

General

Target

resume.exe
Size

1.1MB
MD5

36fdb56f5242a38b5857f791e7a3162d
SHA1

1e9207d91cc127b28a13835295cdb24cc7aa7508
SHA256

a04ab9db28f46cc5a2efc487c63660df3c7c061f179dbe5e0cc175915720a832
SHA512

46c5dcf5dcbfdbc885a86d8e86a6ee1c63f383abb0c0c1f3fc16c43d1257fdd85c29357da94ad3eea09fe317634f21142ab28c7eb9a50632b5b35153dbc7a109
SSDEEP

24576:3W/PgWHKk8I1d7e9UcR8wu5ekv1O4arMG3WccNxkjr:3W/PgWHKYc45ekQfr13Wcok

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

dera5nano.ddns.net:1010

107.182.129.248:1010

Mutex

5a26bcef-e67f-486a-8e48-1748cc7891a2

Attributes

activate_away_mode
true
backup_connection_host
107.182.129.248
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-06-06T12:07:01.612898436Z
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
1010
default_group
Default
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
5a26bcef-e67f-486a-8e48-1748cc7891a2
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
dera5nano.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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

resume.exe

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

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

resume.exe

description ioc process

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

Processes:

resume.exe

description pid process target process

PID 1048 set thread context of 1316 1048 resume.exe resume.exe

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

description	pid	process	target process
PID 1048 set thread context of 1316	1048	resume.exe	resume.exe

Drops file in Program Files directory 2 IoCs

Processes:

resume.exe

description	ioc	process
File created	C:\Program Files (x86)\SCSI Service\scsisvc.exe	resume.exe
File opened for modification	C:\Program Files (x86)\SCSI Service\scsisvc.exe	resume.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

1296 schtasks.exe
1540 schtasks.exe
1708 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

resume.exe

pid process

1316 resume.exe
1316 resume.exe
1316 resume.exe
1316 resume.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

resume.exe

pid process

1316 resume.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

resume.exe

description pid process

Token: SeDebugPrivilege 1316 resume.exe

pid	process
1296	schtasks.exe
1540	schtasks.exe
1708	schtasks.exe

pid	process
1316	resume.exe
1316	resume.exe
1316	resume.exe
1316	resume.exe

pid	process
1316	resume.exe

description	pid	process
Token: SeDebugPrivilege	1316	resume.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

resume.exeresume.exe

description	pid	process	target process
PID 1048 wrote to memory of 1296	1048	resume.exe	schtasks.exe
PID 1048 wrote to memory of 1296	1048	resume.exe	schtasks.exe
PID 1048 wrote to memory of 1296	1048	resume.exe	schtasks.exe
PID 1048 wrote to memory of 1296	1048	resume.exe	schtasks.exe
PID 1048 wrote to memory of 1316	1048	resume.exe	resume.exe
PID 1048 wrote to memory of 1316	1048	resume.exe	resume.exe
PID 1048 wrote to memory of 1316	1048	resume.exe	resume.exe
PID 1048 wrote to memory of 1316	1048	resume.exe	resume.exe
PID 1048 wrote to memory of 1316	1048	resume.exe	resume.exe
PID 1048 wrote to memory of 1316	1048	resume.exe	resume.exe
PID 1048 wrote to memory of 1316	1048	resume.exe	resume.exe
PID 1048 wrote to memory of 1316	1048	resume.exe	resume.exe
PID 1048 wrote to memory of 1316	1048	resume.exe	resume.exe
PID 1316 wrote to memory of 1540	1316	resume.exe	schtasks.exe
PID 1316 wrote to memory of 1540	1316	resume.exe	schtasks.exe
PID 1316 wrote to memory of 1540	1316	resume.exe	schtasks.exe
PID 1316 wrote to memory of 1540	1316	resume.exe	schtasks.exe
PID 1316 wrote to memory of 1708	1316	resume.exe	schtasks.exe
PID 1316 wrote to memory of 1708	1316	resume.exe	schtasks.exe
PID 1316 wrote to memory of 1708	1316	resume.exe	schtasks.exe
PID 1316 wrote to memory of 1708	1316	resume.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\resume.exe
"C:\Users\Admin\AppData\Local\Temp\resume.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1048

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IBJXRapSa" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC0C1.tmp"
2⤵
- Creates scheduled task(s)
PID:1296

C:\Users\Admin\AppData\Local\Temp\resume.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:1316

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "SCSI Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC5A1.tmp"
3⤵
- Creates scheduled task(s)
PID:1540

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "SCSI Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC65D.tmp"
3⤵
- Creates scheduled task(s)
PID:1708

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

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpC0C1.tmp
Filesize
1KB

MD5
4f90b12b222cdeebdf85edadadead66f

SHA1
10e49567854c53b870adf19337fcbb95fabc76bf

SHA256
0d60dc8e8237705165f7f3e9201cf39605f22fbb717e1de862dbc0f15924acb7

SHA512
4a963ca7d77dccba31d6f6384f1b1e01f0a044aa7657ef28e9fc1a2ae4347ed758914ee7635a86c425f2ce12a0beb93bb21c89f8f4fcac67f64373815eab9b2a

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC5A1.tmp
Filesize
1KB

MD5
27b1f082d8e93c2d948f1028aed9c88e

SHA1
f658bc7c50010c82900d5e889d57588452071f47

SHA256
cdd6e5a2d1e254468bc174e84ba8d23d30a4255e65cda2d1d33e68a3c03baf8d

SHA512
a1260fd1dd50d9488792f0a92c0be5d62a438888c0e7ae524daae87501e59d86c49895e4d027e3ef42a3ed4974de038b61ee1fd40b1a35da4710077b0add477f

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC65D.tmp
Filesize
1KB

MD5
4e71faa3a77029484cfaba423d96618f

SHA1
9c837d050bb43d69dc608af809c292e13bca4718

SHA256
c470f45efd2e7c4c5b88534a18965a78dce0f8e154d3e45a9d5569ad0e334bdb

SHA512
6d014de41352f2b0b494d94cd58188791e81d4e53578d0722110b6827793b735e19c614877f25c61b26233dea1b5f1998ba1240bdc8fa04c87b7e64a4ca15fe0

Download Submit
memory/1048-55-0x0000000076171000-0x0000000076173000-memory.dmp

Filesize
8KB

Download
memory/1048-56-0x0000000000540000-0x0000000000560000-memory.dmp

Filesize
128KB

Download
memory/1048-57-0x00000000082A0000-0x000000000836E000-memory.dmp

Filesize
824KB

Download
memory/1048-58-0x00000000045C0000-0x0000000004640000-memory.dmp

Filesize
512KB

Download
memory/1048-54-0x0000000000A40000-0x0000000000B64000-memory.dmp

Filesize
1.1MB

Download
memory/1296-59-0x0000000000000000-mapping.dmp

Download
memory/1316-62-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1316-81-0x0000000000850000-0x0000000000862000-memory.dmp

Filesize
72KB

Download
memory/1316-67-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1316-68-0x000000000041E792-mapping.dmp

Download
memory/1316-70-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1316-72-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1316-92-0x0000000004530000-0x0000000004544000-memory.dmp

Filesize
80KB

Download
memory/1316-64-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1316-91-0x0000000004A20000-0x0000000004A4E000-memory.dmp

Filesize
184KB

Download
memory/1316-61-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1316-78-0x0000000000590000-0x000000000059A000-memory.dmp

Filesize
40KB

Download
memory/1316-79-0x00000000005A0000-0x00000000005BE000-memory.dmp

Filesize
120KB

Download
memory/1316-80-0x0000000000610000-0x000000000061A000-memory.dmp

Filesize
40KB

Download
memory/1316-65-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1316-82-0x0000000002210000-0x000000000222A000-memory.dmp

Filesize
104KB

Download
memory/1316-83-0x0000000000A30000-0x0000000000A3E000-memory.dmp

Filesize
56KB

Download
memory/1316-84-0x0000000002230000-0x0000000002242000-memory.dmp

Filesize
72KB

Download
memory/1316-85-0x0000000002240000-0x000000000224E000-memory.dmp

Filesize
56KB

Download
memory/1316-86-0x00000000022D0000-0x00000000022DC000-memory.dmp

Filesize
48KB

Download
memory/1316-87-0x00000000022E0000-0x00000000022F4000-memory.dmp

Filesize
80KB

Download
memory/1316-88-0x00000000022F0000-0x0000000002300000-memory.dmp

Filesize
64KB

Download
memory/1316-89-0x0000000004400000-0x0000000004414000-memory.dmp

Filesize
80KB

Download
memory/1316-90-0x0000000004410000-0x000000000441E000-memory.dmp

Filesize
56KB

Download
memory/1540-74-0x0000000000000000-mapping.dmp

Download
memory/1708-76-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads