nanocore | 1ff5df8d27ee5989ad0e7c7270bf3c6d711a4ea6141043dedf2ce7028ae1bf42

General

Target

1ff5df8d27ee5989ad0e7c7270bf3c6d711a4ea6141043dedf2ce7028ae1bf42.exe
Size

999KB
MD5

c2f9ae069b620080b761d9280473e7aa
SHA1

3df08169a1cb6ec49b4359e5b580c56da2740945
SHA256

1ff5df8d27ee5989ad0e7c7270bf3c6d711a4ea6141043dedf2ce7028ae1bf42
SHA512

595750cb3da3b5c3ead6fbed97d10fec791fff13e38221df6b55abb751e179153bf900858afcea2872b66e6d80bb24e9586444205ae8807ec4e539690931ac24

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

ezeani.duckdns.org:8338

194.5.98.48:8338

Mutex

c213d282-998c-4a04-8f80-944681ca75f6

Attributes

activate_away_mode
true
backup_connection_host
194.5.98.48
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-07-25T02:31:51.856627236Z
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
8338
default_group
nano stub
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
c213d282-998c-4a04-8f80-944681ca75f6
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
ezeani.duckdns.org
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
true
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 2 IoCs

Processes:

plfiqbrm.pifRegSvcs.exe

pid process

4488 plfiqbrm.pif
4476 RegSvcs.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

plfiqbrm.pif

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	plfiqbrm.pif
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows element = "C:\\Users\\Admin\\68821130\\plfiqbrm.pif C:\\Users\\Admin\\68821130\\mofcxpne.aan"	plfiqbrm.pif

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

RegSvcs.exe

description ioc process

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

Processes:

plfiqbrm.pif

description pid process target process

PID 4488 set thread context of 4476 4488 plfiqbrm.pif 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 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1500 schtasks.exe

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

description	pid	process	target process
PID 4488 set thread context of 4476	4488	plfiqbrm.pif	RegSvcs.exe

pid	process
1500	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

plfiqbrm.pifRegSvcs.exe

pid	process
4488	plfiqbrm.pif
4488	plfiqbrm.pif
4488	plfiqbrm.pif
4488	plfiqbrm.pif
4488	plfiqbrm.pif
4488	plfiqbrm.pif
4476	RegSvcs.exe
4476	RegSvcs.exe
4476	RegSvcs.exe
4476	RegSvcs.exe
4488	plfiqbrm.pif
4488	plfiqbrm.pif
4488	plfiqbrm.pif
4488	plfiqbrm.pif
4488	plfiqbrm.pif
4488	plfiqbrm.pif
4488	plfiqbrm.pif
4488	plfiqbrm.pif
4476	RegSvcs.exe
4476	RegSvcs.exe
4476	RegSvcs.exe
4476	RegSvcs.exe
4476	RegSvcs.exe
4476	RegSvcs.exe
4488	plfiqbrm.pif
4488	plfiqbrm.pif
4488	plfiqbrm.pif
4488	plfiqbrm.pif
4488	plfiqbrm.pif
4488	plfiqbrm.pif
4488	plfiqbrm.pif
4488	plfiqbrm.pif
4488	plfiqbrm.pif
4488	plfiqbrm.pif
4488	plfiqbrm.pif
4488	plfiqbrm.pif
4488	plfiqbrm.pif
4488	plfiqbrm.pif
4488	plfiqbrm.pif
4488	plfiqbrm.pif
4488	plfiqbrm.pif
4488	plfiqbrm.pif
4488	plfiqbrm.pif
4488	plfiqbrm.pif
4488	plfiqbrm.pif
4488	plfiqbrm.pif
4488	plfiqbrm.pif
4488	plfiqbrm.pif
4488	plfiqbrm.pif
4488	plfiqbrm.pif
4488	plfiqbrm.pif
4488	plfiqbrm.pif
4488	plfiqbrm.pif
4488	plfiqbrm.pif
4488	plfiqbrm.pif
4488	plfiqbrm.pif
4488	plfiqbrm.pif
4488	plfiqbrm.pif
4488	plfiqbrm.pif
4488	plfiqbrm.pif
4488	plfiqbrm.pif
4488	plfiqbrm.pif
4488	plfiqbrm.pif
4488	plfiqbrm.pif

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegSvcs.exe

pid process

4476 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 4476 RegSvcs.exe

pid	process
4476	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	4476	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

1ff5df8d27ee5989ad0e7c7270bf3c6d711a4ea6141043dedf2ce7028ae1bf42.exeplfiqbrm.pifRegSvcs.exe

description	pid	process	target process
PID 3712 wrote to memory of 4488	3712	1ff5df8d27ee5989ad0e7c7270bf3c6d711a4ea6141043dedf2ce7028ae1bf42.exe	plfiqbrm.pif
PID 3712 wrote to memory of 4488	3712	1ff5df8d27ee5989ad0e7c7270bf3c6d711a4ea6141043dedf2ce7028ae1bf42.exe	plfiqbrm.pif
PID 3712 wrote to memory of 4488	3712	1ff5df8d27ee5989ad0e7c7270bf3c6d711a4ea6141043dedf2ce7028ae1bf42.exe	plfiqbrm.pif
PID 4488 wrote to memory of 4476	4488	plfiqbrm.pif	RegSvcs.exe
PID 4488 wrote to memory of 4476	4488	plfiqbrm.pif	RegSvcs.exe
PID 4488 wrote to memory of 4476	4488	plfiqbrm.pif	RegSvcs.exe
PID 4488 wrote to memory of 4476	4488	plfiqbrm.pif	RegSvcs.exe
PID 4488 wrote to memory of 4476	4488	plfiqbrm.pif	RegSvcs.exe
PID 4476 wrote to memory of 1500	4476	RegSvcs.exe	schtasks.exe
PID 4476 wrote to memory of 1500	4476	RegSvcs.exe	schtasks.exe
PID 4476 wrote to memory of 1500	4476	RegSvcs.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\1ff5df8d27ee5989ad0e7c7270bf3c6d711a4ea6141043dedf2ce7028ae1bf42.exe
"C:\Users\Admin\AppData\Local\Temp\1ff5df8d27ee5989ad0e7c7270bf3c6d711a4ea6141043dedf2ce7028ae1bf42.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3712

C:\Users\Admin\68821130\plfiqbrm.pif
"C:\Users\Admin\68821130\plfiqbrm.pif" mofcxpne.aan
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4488

C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe
"C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe"
3⤵
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4476

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "SCSI Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp2650.tmp"
4⤵
- Creates scheduled task(s)
PID:1500

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\68821130\ikbt.rwv
MD5
9be6eca2a64e61972e3464dec8b00cb0

SHA1
aa889156bc0a7e8132d6c6114bc2fa8955abf036

SHA256
442c15b300838dd80a3c4eafbf6e6a70ed42e9db5e9594a2a3769b7a74fe3c87

SHA512
1de5ef1b9809344ba435173ebe220bd0b2ee5bf6a811bd917db6a2659f4fef17fc589cf0bd0866517bc09e666b4f86f51afdbeef79798b05253877e9c36ce4f3

Download Submit
C:\Users\Admin\68821130\mofcxpne.aan
MD5
2850d903ecd69be837ffc6da1e969874

SHA1
bf145df8807bc568cbbcc0dcf0042179293dda52

SHA256
72daa16a8fb031497b3ed4984ce8a4f6ed8980648ae0422409c92711080eee85

SHA512
32ed7e3a046977e00da93618ac5a6da8586f0308bfe009b4d6441b2f88aa3c34b231478deaa91e02ccc4d37dc781f50a9ef4f7e00a03ad2fca8d011c033dc6c3

Download Submit
C:\Users\Admin\68821130\palnmuffs.msc
MD5
daed960f09500d943e479f00125c6ee5

SHA1
ea18481bc7d4e5e293187c6e6d3fc5b913118635

SHA256
8f3067402555eeb18d37e9f5a9cd411a1aab6d3f85a8c6780243aad7d6485b71

SHA512
6dad2a1871962e2444dca49ef09c729a7e4ca2d39935d923fe63140dc62b8fd1b6b3ac561487f99af3ad3722dd368420ae9764a9b11a3abaac7348c4c7f5e8cf

Download Submit
C:\Users\Admin\68821130\plfiqbrm.pif
MD5
8e699954f6b5d64683412cc560938507

SHA1
8ca6708b0f158eacce3ac28b23c23ed42c168c29

SHA256
c9a2399cc1ce6f71db9da2f16e6c025bf6cb0f4345b427f21449cf927d627a40

SHA512
13035106149c8d336189b4a6bdaf25e10ac0b027baea963b3ec66a815a572426b2e9485258447cf1362802a0f03a2aa257b276057590663161d9d55d5b737b02

Download Submit
C:\Users\Admin\68821130\plfiqbrm.pif
MD5
8e699954f6b5d64683412cc560938507

SHA1
8ca6708b0f158eacce3ac28b23c23ed42c168c29

SHA256
c9a2399cc1ce6f71db9da2f16e6c025bf6cb0f4345b427f21449cf927d627a40

SHA512
13035106149c8d336189b4a6bdaf25e10ac0b027baea963b3ec66a815a572426b2e9485258447cf1362802a0f03a2aa257b276057590663161d9d55d5b737b02

Download Submit
C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe
MD5
0e06054beb13192588e745ee63a84173

SHA1
30b7d4d1277bafd04a83779fd566a1f834a8d113

SHA256
c5d6d56ded55fbd6c150ee3a0eb2e5671cae83106be2be4d70ce50aa50bab768

SHA512
251a112f3f037e62ff67a467389e47a56afb344bc942b17efa9bd2970494718b26bbee9adc3ac35f93ee4d2114aa426b6d0ea4bafad294b6c118a15f1977c215

Download Submit
C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe
MD5
0e06054beb13192588e745ee63a84173

SHA1
30b7d4d1277bafd04a83779fd566a1f834a8d113

SHA256
c5d6d56ded55fbd6c150ee3a0eb2e5671cae83106be2be4d70ce50aa50bab768

SHA512
251a112f3f037e62ff67a467389e47a56afb344bc942b17efa9bd2970494718b26bbee9adc3ac35f93ee4d2114aa426b6d0ea4bafad294b6c118a15f1977c215

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp2650.tmp
MD5
95aceabc58acad5d73372b0966ee1b35

SHA1
2293b7ad4793cf574b1a5220e85f329b5601040a

SHA256
8d9642e1c3cd1e0b5d1763de2fb5e605ba593e5a918b93eec15acbc5dcc48fd4

SHA512
00760dfc9d8caf357f0cee5336e5448a4cca18e32cc63e1a69c16e34fe00ea29acd5b2cf278e86c6f9c3e66a1b176d27ed927361848212e6bf1fade7d3d06e74

Download Submit
memory/1500-132-0x0000000000000000-mapping.dmp

Download
memory/4476-122-0x0000000000D1E792-mapping.dmp

Download
memory/4476-127-0x0000000005D90000-0x0000000005D91000-memory.dmp

Filesize
4KB

Download
memory/4476-128-0x0000000005890000-0x0000000005891000-memory.dmp

Filesize
4KB

Download
memory/4476-129-0x0000000005930000-0x0000000005931000-memory.dmp

Filesize
4KB

Download
memory/4476-130-0x0000000005830000-0x0000000005831000-memory.dmp

Filesize
4KB

Download
memory/4476-131-0x0000000005790000-0x0000000005822000-memory.dmp

Filesize
584KB

Download
memory/4476-121-0x0000000000D00000-0x00000000011CD000-memory.dmp

Filesize
4.8MB

Download
memory/4476-134-0x0000000006790000-0x0000000006795000-memory.dmp

Filesize
20KB

Download
memory/4476-135-0x0000000006820000-0x0000000006839000-memory.dmp

Filesize
100KB

Download
memory/4476-136-0x0000000006840000-0x0000000006843000-memory.dmp

Filesize
12KB

Download
memory/4488-115-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads