nanocore | 2719fac0d4d5ff10221753f561d70346516d6226a3868c40a9d4c9282f370aa0

Analysis

max time kernel
121s
max time network
163s
platform
windows10_x64
resource
win10-en-20210920
submitted
26-10-2021 06:40

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

credit notification pdf.exe
Size

3.4MB
MD5

69d14fb14deeb4bc08a3c47840d1f6fb
SHA1

2830362d97678edaa8dc6f28a8c555f690101bed
SHA256

2719fac0d4d5ff10221753f561d70346516d6226a3868c40a9d4c9282f370aa0
SHA512

fcabc96fc48d3ffb75b5b5499603916b27b1cd9556f60f37ba534c6669cb500deca22d110a334dd213611319898df59be80b11059d8fbc344e9afc6b9380d343

Score

10^/10

nanocore agilenet evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

arkseven702.ddns.net:7727

Mutex

74fb9edb-82b1-41e4-91bd-7fe787b0bbad

Attributes

activate_away_mode
true
backup_connection_host
arkseven702.ddns.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-08-02T20:32:24.918316736Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
false
clear_zone_identifier
true
connect_delay
4000
connection_port
7727
default_group
gatewayproject
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
74fb9edb-82b1-41e4-91bd-7fe787b0bbad
mutex_timeout
5000
prevent_system_sleep
true
primary_connection_host
arkseven702.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 4 IoCs

Processes:

a.exeInstallUtil.exeinfo.exeinfo.exe

pid process

676 a.exe
1332 InstallUtil.exe
2628 info.exe
2912 info.exe
Drops startup file 1 IoCs

Processes:

credit notification pdf.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\a.lnk credit notification pdf.exe

pid	process
676	a.exe
1332	InstallUtil.exe
2628	info.exe
2912	info.exe

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

Obfuscated with Agile.Net obfuscator 2 IoCs

Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

agilenet

Processes:

resource	yara_rule
behavioral2/memory/2624-121-0x0000000006810000-0x0000000006831000-memory.dmp	agile_net
behavioral2/memory/676-137-0x0000000005330000-0x000000000582E000-memory.dmp	agile_net

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\SCSI Service = "C:\\Program Files (x86)\\SCSI Service\\scsisvc.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 676 set thread context of 1332 676 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 676 set thread context of 1332	676	a.exe	InstallUtil.exe

Drops file in Program Files directory 2 IoCs

Processes:

InstallUtil.exe

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

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 33 IoCs

Processes:

credit notification pdf.exea.exeInstallUtil.exeinfo.exeinfo.exe

pid	process
2624	credit notification pdf.exe
2624	credit notification pdf.exe
2624	credit notification pdf.exe
2624	credit notification pdf.exe
2624	credit notification pdf.exe
2624	credit notification pdf.exe
2624	credit notification pdf.exe
2624	credit notification pdf.exe
2624	credit notification pdf.exe
2624	credit notification pdf.exe
2624	credit notification pdf.exe
2624	credit notification pdf.exe
2624	credit notification pdf.exe
2624	credit notification pdf.exe
2624	credit notification pdf.exe
676	a.exe
676	a.exe
676	a.exe
676	a.exe
1332	InstallUtil.exe
1332	InstallUtil.exe
1332	InstallUtil.exe
1332	InstallUtil.exe
1332	InstallUtil.exe
1332	InstallUtil.exe
2628	info.exe
2912	info.exe
2912	info.exe
2912	info.exe
676	a.exe
676	a.exe
676	a.exe
676	a.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

InstallUtil.exe

pid process

1332 InstallUtil.exe

pid	process
1332	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

credit notification pdf.exea.exeInstallUtil.exeinfo.exeinfo.exe

description	pid	process
Token: SeDebugPrivilege	2624	credit notification pdf.exe
Token: SeDebugPrivilege	676	a.exe
Token: SeDebugPrivilege	1332	InstallUtil.exe
Token: SeDebugPrivilege	2628	info.exe
Token: SeDebugPrivilege	2912	info.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

credit notification pdf.exea.exeinfo.exe

description	pid	process	target process
PID 2624 wrote to memory of 676	2624	credit notification pdf.exe	a.exe
PID 2624 wrote to memory of 676	2624	credit notification pdf.exe	a.exe
PID 2624 wrote to memory of 676	2624	credit notification pdf.exe	a.exe
PID 676 wrote to memory of 1332	676	a.exe	InstallUtil.exe
PID 676 wrote to memory of 1332	676	a.exe	InstallUtil.exe
PID 676 wrote to memory of 1332	676	a.exe	InstallUtil.exe
PID 676 wrote to memory of 1332	676	a.exe	InstallUtil.exe
PID 676 wrote to memory of 1332	676	a.exe	InstallUtil.exe
PID 676 wrote to memory of 1332	676	a.exe	InstallUtil.exe
PID 676 wrote to memory of 1332	676	a.exe	InstallUtil.exe
PID 676 wrote to memory of 1332	676	a.exe	InstallUtil.exe
PID 676 wrote to memory of 2628	676	a.exe	info.exe
PID 676 wrote to memory of 2628	676	a.exe	info.exe
PID 676 wrote to memory of 2628	676	a.exe	info.exe
PID 2628 wrote to memory of 2912	2628	info.exe	info.exe
PID 2628 wrote to memory of 2912	2628	info.exe	info.exe
PID 2628 wrote to memory of 2912	2628	info.exe	info.exe

C:\Users\Admin\AppData\Local\Temp\credit notification pdf.exe
"C:\Users\Admin\AppData\Local\Temp\credit notification pdf.exe"
1⤵
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2624

C:\Users\Admin\AppData\Roaming\a.exe
"C:\Users\Admin\AppData\Roaming\a.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:676

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:1332

C:\Users\Admin\AppData\Local\Temp\info.exe
"C:\Users\Admin\AppData\Local\Temp\info.exe"
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2628

C:\Users\Admin\AppData\Local\Temp\info.exe
"C:\Users\Admin\AppData\Local\Temp\info.exe"
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2912

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\info.exe.log
MD5
e555c48cb712a9597ecb55a60135d1f8

SHA1
2081c72d30c34ec3f61f9944545ecdaae11521f7

SHA256
815c80df060afa8acf7640ca011735ef77c66666d03901e04a8767827d5da4e9

SHA512
32129b5be15217e5400f1e7536270a703d62db60ebb06396b9d74703e6a0dcd2e78f7f42b2019093be1508a9310912f305b88de274a295c9135a4086cd8c8427

Download Submit
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\Local\Temp\info.exe
MD5
0e362e7005823d0bec3719b902ed6d62

SHA1
590d860b909804349e0cdc2f1662b37bd62f7463

SHA256
2d0dc6216f613ac7551a7e70a798c22aee8eb9819428b1357e2b8c73bef905ad

SHA512
518991b68496b3f8545e418cf9b345e0791e09cc20d177b8aa47e0aba447aa55383c64f5bdaca39f2b061a5d08c16f2ad484af8a9f238ca23ab081618fba3ad3

Download Submit
C:\Users\Admin\AppData\Local\Temp\info.exe
MD5
0e362e7005823d0bec3719b902ed6d62

SHA1
590d860b909804349e0cdc2f1662b37bd62f7463

SHA256
2d0dc6216f613ac7551a7e70a798c22aee8eb9819428b1357e2b8c73bef905ad

SHA512
518991b68496b3f8545e418cf9b345e0791e09cc20d177b8aa47e0aba447aa55383c64f5bdaca39f2b061a5d08c16f2ad484af8a9f238ca23ab081618fba3ad3

Download Submit
C:\Users\Admin\AppData\Local\Temp\info.exe
MD5
0e362e7005823d0bec3719b902ed6d62

SHA1
590d860b909804349e0cdc2f1662b37bd62f7463

SHA256
2d0dc6216f613ac7551a7e70a798c22aee8eb9819428b1357e2b8c73bef905ad

SHA512
518991b68496b3f8545e418cf9b345e0791e09cc20d177b8aa47e0aba447aa55383c64f5bdaca39f2b061a5d08c16f2ad484af8a9f238ca23ab081618fba3ad3

Download Submit
C:\Users\Admin\AppData\Local\Temp\info.txt
MD5
e37b39fb27fe621ed9db9fcd527f0615

SHA1
f8fa39736eca07e0a2f6e0b54b15cdc03b317f01

SHA256
623c99756b36fe78c1c002c50a171356973944d2598291bfc5a5a130604a0fc2

SHA512
c7039fbaab4f6e7f746cbf8c5a737452ef905b3f36cce3ed761fcf49729dc4996c70e00bb086983c75fae5058341fece7478160e921ff69a57ed259fd7422bc4

Download Submit
C:\Users\Admin\AppData\Local\Temp\info.txt
MD5
55d3909b5041da4175d102a0ebceb326

SHA1
28bba1c281ef71d5fde65f10869314cd776e5852

SHA256
4ca675a040ff00b48289b2d84c6cb4a873ab32cdf67055caecdc5e93819cf049

SHA512
b586398e91f2ae14c947c3cc9bd1275e786898d5839fe33873d282d483743a26ede63de4a0548742aa65364746e44e1c6fc28ec03dd543a0ae8d4c26b456d5e1

Download Submit
C:\Users\Admin\AppData\Local\Temp\info.txt
MD5
d4d5b5c5cb8f785febf5d2e295c3f814

SHA1
d9ca35cb372a96c5309d9990a630a46654fa8553

SHA256
b2fa1d7ad595f402e5e2a689a04886360ef82afbf63bd4f3e315b323b5deaec1

SHA512
b4442797d95b2a7a254feab8e5f1a9084fb4bce37b3169fde59796c4338a5f55606a0871a8a1af6102fd3511e1ef7790a732100755fc123f7fce7e17834eac1f

Download Submit
C:\Users\Admin\AppData\Roaming\a.exe
MD5
69d14fb14deeb4bc08a3c47840d1f6fb

SHA1
2830362d97678edaa8dc6f28a8c555f690101bed

SHA256
2719fac0d4d5ff10221753f561d70346516d6226a3868c40a9d4c9282f370aa0

SHA512
fcabc96fc48d3ffb75b5b5499603916b27b1cd9556f60f37ba534c6669cb500deca22d110a334dd213611319898df59be80b11059d8fbc344e9afc6b9380d343

Download Submit
C:\Users\Admin\AppData\Roaming\a.exe
MD5
69d14fb14deeb4bc08a3c47840d1f6fb

SHA1
2830362d97678edaa8dc6f28a8c555f690101bed

SHA256
2719fac0d4d5ff10221753f561d70346516d6226a3868c40a9d4c9282f370aa0

SHA512
fcabc96fc48d3ffb75b5b5499603916b27b1cd9556f60f37ba534c6669cb500deca22d110a334dd213611319898df59be80b11059d8fbc344e9afc6b9380d343

Download Submit
memory/676-125-0x0000000000000000-mapping.dmp

Download
memory/676-133-0x0000000005330000-0x000000000582E000-memory.dmp

Filesize
5.0MB

Download
memory/676-137-0x0000000005330000-0x000000000582E000-memory.dmp

Filesize
5.0MB

Download
memory/676-138-0x0000000006410000-0x000000000641B000-memory.dmp

Filesize
44KB

Download
memory/676-139-0x00000000064B0000-0x00000000064B1000-memory.dmp

Filesize
4KB

Download
memory/1332-151-0x0000000005530000-0x0000000005549000-memory.dmp

Filesize
100KB

Download
memory/1332-161-0x0000000006920000-0x0000000006929000-memory.dmp

Filesize
36KB

Download
memory/1332-141-0x000000000041E792-mapping.dmp

Download
memory/1332-164-0x0000000006960000-0x0000000006989000-memory.dmp

Filesize
164KB

Download
memory/1332-149-0x0000000005350000-0x0000000005351000-memory.dmp

Filesize
4KB

Download
memory/1332-150-0x0000000005520000-0x0000000005525000-memory.dmp

Filesize
20KB

Download
memory/1332-165-0x00000000069A0000-0x00000000069AF000-memory.dmp

Filesize
60KB

Download
memory/1332-152-0x0000000006120000-0x0000000006123000-memory.dmp

Filesize
12KB

Download
memory/1332-153-0x0000000006130000-0x000000000613D000-memory.dmp

Filesize
52KB

Download
memory/1332-154-0x0000000006750000-0x0000000006765000-memory.dmp

Filesize
84KB

Download
memory/1332-155-0x00000000068D0000-0x00000000068D6000-memory.dmp

Filesize
24KB

Download
memory/1332-156-0x00000000068E0000-0x00000000068EC000-memory.dmp

Filesize
48KB

Download
memory/1332-157-0x00000000068F0000-0x00000000068F7000-memory.dmp

Filesize
28KB

Download
memory/1332-158-0x0000000006900000-0x0000000006906000-memory.dmp

Filesize
24KB

Download
memory/1332-159-0x0000000006910000-0x000000000691D000-memory.dmp

Filesize
52KB

Download
memory/1332-140-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1332-160-0x00000000052A0000-0x0000000005332000-memory.dmp

Filesize
584KB

Download
memory/1332-162-0x0000000006930000-0x000000000693F000-memory.dmp

Filesize
60KB

Download
memory/1332-163-0x0000000006950000-0x000000000695A000-memory.dmp

Filesize
40KB

Download
memory/2624-115-0x0000000000830000-0x0000000000831000-memory.dmp

Filesize
4KB

Download
memory/2624-124-0x0000000005470000-0x000000000596E000-memory.dmp

Filesize
5.0MB

Download
memory/2624-123-0x00000000068B0000-0x00000000068B1000-memory.dmp

Filesize
4KB

Download
memory/2624-122-0x00000000068F0000-0x00000000068F1000-memory.dmp

Filesize
4KB

Download
memory/2624-121-0x0000000006810000-0x0000000006831000-memory.dmp

Filesize
132KB

Download
memory/2624-120-0x0000000005470000-0x000000000596E000-memory.dmp

Filesize
5.0MB

Download
memory/2624-119-0x0000000005510000-0x0000000005511000-memory.dmp

Filesize
4KB

Download
memory/2624-118-0x00000000053C0000-0x00000000053C1000-memory.dmp

Filesize
4KB

Download
memory/2624-117-0x0000000005970000-0x0000000005971000-memory.dmp

Filesize
4KB

Download
memory/2628-167-0x0000000000000000-mapping.dmp

Download
memory/2628-170-0x0000000000480000-0x0000000000481000-memory.dmp

Filesize
4KB

Download
memory/2912-174-0x0000000000000000-mapping.dmp

Download