nanocore | d94e9c9d9140741e9415fde7ee2f33d74f6773cc3a3f3d890ce8a5b5e1d092b8

General

Target

FFXML21050419.PNG.exe
Size

1.1MB
MD5

00512040b46ab96a32589281a10b9a2a
SHA1

f1f15876cec6262ce5e4054dedc5d85d9a161571
SHA256

d94e9c9d9140741e9415fde7ee2f33d74f6773cc3a3f3d890ce8a5b5e1d092b8
SHA512

217a0f8c3b614f18da94145716af79d755848043040838647879351d6b565781702a0219916850ddad80a5bdc4b33f6459d2c241a5cded77e5973ffefb4ada3f

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

strongodss.ddns.net:48562

185.19.85.175:48562

Mutex

ba2baad0-dd3f-4844-a1e3-4d042f9ae8b6

Attributes

activate_away_mode
false
backup_connection_host
185.19.85.175
backup_dns_server
buffer_size
65538
build_time
2021-04-20T00:12:13.961451136Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
false
clear_zone_identifier
false
connect_delay
4000
connection_port
48562
default_group
HOBBIT
enable_debug_mode
true
gc_threshold
1.0485772e+07
keep_alive_timeout
30000
keyboard_logging
false
lan_timeout
2500
max_packet_size
1.0485772e+07
mutex
ba2baad0-dd3f-4844-a1e3-4d042f9ae8b6
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
strongodss.ddns.net
primary_dns_server
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
false
set_critical_process
false
timeout_interval
5000
use_custom_dns_server
false
version
1.2.2.0
wan_timeout
8009

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:

xohk.pifRegSvcs.exe

pid process

2400 xohk.pif
196 RegSvcs.exe

pid	process
2400	xohk.pif
196	RegSvcs.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

xohk.pifRegSvcs.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	xohk.pif
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Chrome = "C:\\Users\\Admin\\15449656\\xohk.pif C:\\Users\\Admin\\15449656\\RTADMQ~1.GLU"	xohk.pif
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\AutoUpdate = "C:\\Users\\Admin\\15449656\\Update.vbs"	xohk.pif
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\UPNP Subsystem = "C:\\Program Files (x86)\\UPNP Subsystem\\upnpss.exe"	RegSvcs.exe

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:

xohk.pif

description pid process target process

PID 2400 set thread context of 196 2400 xohk.pif RegSvcs.exe

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

description	pid	process	target process
PID 2400 set thread context of 196	2400	xohk.pif	RegSvcs.exe

Drops file in Program Files directory 2 IoCs

Processes:

RegSvcs.exe

description	ioc	process
File created	C:\Program Files (x86)\UPNP Subsystem\upnpss.exe	RegSvcs.exe
File opened for modification	C:\Program Files (x86)\UPNP Subsystem\upnpss.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 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exe

pid process

4052 schtasks.exe
3828 schtasks.exe
Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

RegSvcs.exe

pid process

196 RegSvcs.exe
196 RegSvcs.exe
196 RegSvcs.exe
196 RegSvcs.exe
196 RegSvcs.exe
196 RegSvcs.exe
196 RegSvcs.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegSvcs.exe

pid process

196 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 196 RegSvcs.exe
Token: SeDebugPrivilege 196 RegSvcs.exe

pid	process
4052	schtasks.exe
3828	schtasks.exe

pid	process
196	RegSvcs.exe
196	RegSvcs.exe
196	RegSvcs.exe
196	RegSvcs.exe
196	RegSvcs.exe
196	RegSvcs.exe
196	RegSvcs.exe

pid	process
196	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	196	RegSvcs.exe
Token: SeDebugPrivilege	196	RegSvcs.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

FFXML21050419.PNG.exexohk.pifRegSvcs.exe

description	pid	process	target process
PID 568 wrote to memory of 2400	568	FFXML21050419.PNG.exe	xohk.pif
PID 568 wrote to memory of 2400	568	FFXML21050419.PNG.exe	xohk.pif
PID 568 wrote to memory of 2400	568	FFXML21050419.PNG.exe	xohk.pif
PID 2400 wrote to memory of 196	2400	xohk.pif	RegSvcs.exe
PID 2400 wrote to memory of 196	2400	xohk.pif	RegSvcs.exe
PID 2400 wrote to memory of 196	2400	xohk.pif	RegSvcs.exe
PID 2400 wrote to memory of 196	2400	xohk.pif	RegSvcs.exe
PID 2400 wrote to memory of 196	2400	xohk.pif	RegSvcs.exe
PID 196 wrote to memory of 3828	196	RegSvcs.exe	schtasks.exe
PID 196 wrote to memory of 3828	196	RegSvcs.exe	schtasks.exe
PID 196 wrote to memory of 3828	196	RegSvcs.exe	schtasks.exe
PID 196 wrote to memory of 4052	196	RegSvcs.exe	schtasks.exe
PID 196 wrote to memory of 4052	196	RegSvcs.exe	schtasks.exe
PID 196 wrote to memory of 4052	196	RegSvcs.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\FFXML21050419.PNG.exe
"C:\Users\Admin\AppData\Local\Temp\FFXML21050419.PNG.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:568

C:\Users\Admin\15449656\xohk.pif
"C:\Users\Admin\15449656\xohk.pif" rtadmqvui.glu
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2400

C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe
"C:\Users\Admin\AppData\Local\Temp\RegSvcs.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
- Suspicious use of WriteProcessMemory
PID:196

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "UPNP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp7DA2.tmp"
4⤵
- Creates scheduled task(s)
PID:3828

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "UPNP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp7F77.tmp"
4⤵
- Creates scheduled task(s)
PID:4052

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

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Downloads

C:\Users\Admin\15449656\rtadmqvui.glu
MD5
555e4d93b63107ddf305749525d9e162

SHA1
c277178e3856fdaab1395981c54a954c12f2651f

SHA256
e0cee13d4664a298952acf30b285d7b2a72076142e02df3f5f091490b70e440b

SHA512
a514ec268633cd5fb18336d4187fbad5c479c9c870687d432ae2b30441e1838600ac96c56828f8ccb0770f5424cea4c2d483952b92727d0bd1a1c2fea494a123

Download Submit
C:\Users\Admin\15449656\tcrvxrahk.ini
MD5
c14d9de8217f5db3747392ea80598311

SHA1
9dac2a0844c2d009a0a1ec0e3422ad13dce3baef

SHA256
3f18132d7cf42e5f301666a94dd691febdaf2cd8206b779f13d390d579fda07c

SHA512
15f621be27833c005945a3291c71755f17a95de784000f258f315e811018956beadfad43822332c21b3a50fc19483b4df83bbfbee2724690e0853d1b24ca041a

Download Submit
C:\Users\Admin\15449656\xohk.pif
MD5
9736d137a50072cafb00ea5c03798da2

SHA1
21bd4affbe0a61af9a5bdc5cb7fa19eac92e52c0

SHA256
624690a68085948a842e9f78c37001e9541c3d996d7ce8758f296b4e6b011540

SHA512
cf7dbf2f762c660d9802ac3935b61217c7917e85d1ca247dfd4aa50c16a3f314fcf474cd3cc824c6ee1f4c9ba891f65651d96dfbf44532e340ad105b2eac0c28

Download Submit
C:\Users\Admin\15449656\xohk.pif
MD5
9736d137a50072cafb00ea5c03798da2

SHA1
21bd4affbe0a61af9a5bdc5cb7fa19eac92e52c0

SHA256
624690a68085948a842e9f78c37001e9541c3d996d7ce8758f296b4e6b011540

SHA512
cf7dbf2f762c660d9802ac3935b61217c7917e85d1ca247dfd4aa50c16a3f314fcf474cd3cc824c6ee1f4c9ba891f65651d96dfbf44532e340ad105b2eac0c28

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\tmp7DA2.tmp
MD5
95aceabc58acad5d73372b0966ee1b35

SHA1
2293b7ad4793cf574b1a5220e85f329b5601040a

SHA256
8d9642e1c3cd1e0b5d1763de2fb5e605ba593e5a918b93eec15acbc5dcc48fd4

SHA512
00760dfc9d8caf357f0cee5336e5448a4cca18e32cc63e1a69c16e34fe00ea29acd5b2cf278e86c6f9c3e66a1b176d27ed927361848212e6bf1fade7d3d06e74

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp7F77.tmp
MD5
af9986f5e128fd8bd3ae748fcba6576d

SHA1
8060072c35108b48649a03be91803b97f1ad40a4

SHA256
f3242f6480b3d1a8f9285135fdce9a201c4802ce062eee4fb41c488a21d53303

SHA512
f35c8e1699905bc972ae48a5a4a9fd33ea04b2d851ffc1cb1d1573a2087121d803b4186a696b2edad10a9c46c388a478e105f5a730020b598aa9f483086dba38

Download Submit
memory/196-120-0x000000000132E792-mapping.dmp

Download
memory/196-119-0x0000000001310000-0x000000000196C000-memory.dmp

Filesize
6.4MB

Download
memory/196-126-0x0000000006070000-0x0000000006071000-memory.dmp

Filesize
4KB

Download
memory/196-127-0x0000000006110000-0x0000000006111000-memory.dmp

Filesize
4KB

Download
memory/196-128-0x0000000005FD0000-0x00000000064CE000-memory.dmp

Filesize
5.0MB

Download
memory/196-129-0x0000000005FB0000-0x0000000005FB1000-memory.dmp

Filesize
4KB

Download
memory/196-137-0x0000000006290000-0x0000000006293000-memory.dmp

Filesize
12KB

Download
memory/196-125-0x00000000064D0000-0x00000000064D1000-memory.dmp

Filesize
4KB

Download
memory/196-136-0x0000000006270000-0x0000000006289000-memory.dmp

Filesize
100KB

Download
memory/196-135-0x0000000006050000-0x0000000006056000-memory.dmp

Filesize
24KB

Download
memory/196-134-0x0000000006040000-0x0000000006045000-memory.dmp

Filesize
20KB

Download
memory/2400-114-0x0000000000000000-mapping.dmp

Download
memory/3828-130-0x0000000000000000-mapping.dmp

Download
memory/4052-132-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads