nanocore | 08fe05207856de4aea291a2cc45ef04059a15f859deb4d4de69220162e2c056d

Analysis

max time kernel
151s
max time network
153s
platform
windows10_x64
resource
win10-en-20211104
submitted
07-11-2021 01:49

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General

Target

D3A9543FAE305405220AC1F627327074DC1BDE573789452A2F0E62429DB87987.exe
Size

1.3MB
MD5

ec7f6620c82becd13651a358f408bf72
SHA1

d66e726b99a648f705a8ab82308c52cad9ca275d
SHA256

d3a9543fae305405220ac1f627327074dc1bde573789452a2f0e62429db87987
SHA512

1efc9ab3bf16f434c67d6904ecae70ec3d9811958d758401672a6c062f3f4fc8627049cb884cee0e5b8dd40946d14e96716f4bd8c1210373df49a4533e1f5d4d

Score

10^/10

nanocore njrat nyan cat discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

njrat

Version

0.7NC

Botnet

NYAN CAT

alice2019.myftp.biz:5552

Mutex

28ac71370f2e4

Attributes

reg_key
28ac71370f2e4
splitter
@!#&^%$

Signatures

NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore
njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Executes dropped EXE 4 IoCs

Processes:

Topaz Gigapixel AI.exesdff.exexwobhs.pifRegSvcs.exe

pid process

3924 Topaz Gigapixel AI.exe
3144 sdff.exe
404 xwobhs.pif
1572 RegSvcs.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

xwobhs.pif

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	xwobhs.pif
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WindowsUpdate = "c:\\52830064\\xwobhs.pif c:\\52830064\\AQKWBT~1.IKB"	xwobhs.pif

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Suspicious use of SetThreadContext 1 IoCs

Processes:

xwobhs.pif

description pid process target process

PID 404 set thread context of 1572 404 xwobhs.pif RegSvcs.exe

description	pid	process	target process
PID 404 set thread context of 1572	404	xwobhs.pif	RegSvcs.exe

autoit_exe 2 IoCs

AutoIT scripts compiled to PE executables.

Processes:

resource	yara_rule
C:\Program Files (x86)\Company\NewProduct\Topaz Gigapixel AI.exe	autoit_exe
C:\Program Files (x86)\Company\NewProduct\Topaz Gigapixel AI.exe	autoit_exe

Drops file in Program Files directory 3 IoCs

Processes:

D3A9543FAE305405220AC1F627327074DC1BDE573789452A2F0E62429DB87987.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Company\NewProduct\Uninstall.exe	D3A9543FAE305405220AC1F627327074DC1BDE573789452A2F0E62429DB87987.exe
File created	C:\Program Files (x86)\Company\NewProduct\Uninstall.ini	D3A9543FAE305405220AC1F627327074DC1BDE573789452A2F0E62429DB87987.exe
File opened for modification	C:\Program Files (x86)\Company\NewProduct\Topaz Gigapixel AI.exe	D3A9543FAE305405220AC1F627327074DC1BDE573789452A2F0E62429DB87987.exe

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

System Information Discovery
T1082
Modifies registry class 1 IoCs

Processes:

Topaz Gigapixel AI.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\Local Settings Topaz Gigapixel AI.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\Local Settings	Topaz Gigapixel AI.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

Topaz Gigapixel AI.exexwobhs.pifRegSvcs.exe

pid	process
3924	Topaz Gigapixel AI.exe
3924	Topaz Gigapixel AI.exe
3924	Topaz Gigapixel AI.exe
3924	Topaz Gigapixel AI.exe
404	xwobhs.pif
404	xwobhs.pif
1572	RegSvcs.exe
1572	RegSvcs.exe
1572	RegSvcs.exe
1572	RegSvcs.exe
404	xwobhs.pif
404	xwobhs.pif
404	xwobhs.pif
404	xwobhs.pif
404	xwobhs.pif
404	xwobhs.pif
404	xwobhs.pif
404	xwobhs.pif
404	xwobhs.pif
404	xwobhs.pif
404	xwobhs.pif
404	xwobhs.pif
404	xwobhs.pif
404	xwobhs.pif
404	xwobhs.pif
404	xwobhs.pif
404	xwobhs.pif
404	xwobhs.pif
404	xwobhs.pif
404	xwobhs.pif
404	xwobhs.pif
404	xwobhs.pif
404	xwobhs.pif
404	xwobhs.pif
404	xwobhs.pif
404	xwobhs.pif
404	xwobhs.pif
404	xwobhs.pif
404	xwobhs.pif
404	xwobhs.pif
404	xwobhs.pif
404	xwobhs.pif
404	xwobhs.pif
404	xwobhs.pif
404	xwobhs.pif
404	xwobhs.pif
404	xwobhs.pif
404	xwobhs.pif
404	xwobhs.pif
404	xwobhs.pif
404	xwobhs.pif
404	xwobhs.pif
404	xwobhs.pif
404	xwobhs.pif
404	xwobhs.pif
404	xwobhs.pif
404	xwobhs.pif
404	xwobhs.pif
404	xwobhs.pif
404	xwobhs.pif
404	xwobhs.pif
404	xwobhs.pif
404	xwobhs.pif
404	xwobhs.pif

Suspicious use of AdjustPrivilegeToken 29 IoCs

Processes:

RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1572	RegSvcs.exe
Token: 33	1572	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	1572	RegSvcs.exe
Token: 33	1572	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	1572	RegSvcs.exe
Token: 33	1572	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	1572	RegSvcs.exe
Token: 33	1572	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	1572	RegSvcs.exe
Token: 33	1572	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	1572	RegSvcs.exe
Token: 33	1572	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	1572	RegSvcs.exe
Token: 33	1572	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	1572	RegSvcs.exe
Token: 33	1572	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	1572	RegSvcs.exe
Token: 33	1572	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	1572	RegSvcs.exe
Token: 33	1572	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	1572	RegSvcs.exe
Token: 33	1572	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	1572	RegSvcs.exe
Token: 33	1572	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	1572	RegSvcs.exe
Token: 33	1572	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	1572	RegSvcs.exe
Token: 33	1572	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	1572	RegSvcs.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

D3A9543FAE305405220AC1F627327074DC1BDE573789452A2F0E62429DB87987.exesdff.exexwobhs.pif

description	pid	process	target process
PID 3056 wrote to memory of 3924	3056	D3A9543FAE305405220AC1F627327074DC1BDE573789452A2F0E62429DB87987.exe	Topaz Gigapixel AI.exe
PID 3056 wrote to memory of 3924	3056	D3A9543FAE305405220AC1F627327074DC1BDE573789452A2F0E62429DB87987.exe	Topaz Gigapixel AI.exe
PID 3056 wrote to memory of 3144	3056	D3A9543FAE305405220AC1F627327074DC1BDE573789452A2F0E62429DB87987.exe	sdff.exe
PID 3056 wrote to memory of 3144	3056	D3A9543FAE305405220AC1F627327074DC1BDE573789452A2F0E62429DB87987.exe	sdff.exe
PID 3056 wrote to memory of 3144	3056	D3A9543FAE305405220AC1F627327074DC1BDE573789452A2F0E62429DB87987.exe	sdff.exe
PID 3144 wrote to memory of 404	3144	sdff.exe	xwobhs.pif
PID 3144 wrote to memory of 404	3144	sdff.exe	xwobhs.pif
PID 3144 wrote to memory of 404	3144	sdff.exe	xwobhs.pif
PID 404 wrote to memory of 1572	404	xwobhs.pif	RegSvcs.exe
PID 404 wrote to memory of 1572	404	xwobhs.pif	RegSvcs.exe
PID 404 wrote to memory of 1572	404	xwobhs.pif	RegSvcs.exe
PID 404 wrote to memory of 1572	404	xwobhs.pif	RegSvcs.exe
PID 404 wrote to memory of 1572	404	xwobhs.pif	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\D3A9543FAE305405220AC1F627327074DC1BDE573789452A2F0E62429DB87987.exe
"C:\Users\Admin\AppData\Local\Temp\D3A9543FAE305405220AC1F627327074DC1BDE573789452A2F0E62429DB87987.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:3056

C:\Program Files (x86)\Company\NewProduct\Topaz Gigapixel AI.exe
"C:\Program Files (x86)\Company\NewProduct\Topaz Gigapixel AI.exe"
2⤵
- Executes dropped EXE
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
PID:3924

C:\Users\Admin\AppData\Roaming\sdff.exe
"C:\Users\Admin\AppData\Roaming\sdff.exe"
2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3144

C:\52830064\xwobhs.pif
"C:\52830064\xwobhs.pif" aqkwbthvr.ikb
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:404

C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe
"C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe"
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1572

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:2768

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\52830064\aqkwbthvr.ikb
MD5
1f4c7f94e81f5676cac726fa32a4267b

SHA1
916104ff346ab10620f0926c241cf248d4b25b90

SHA256
cc535eaa9283d61eda11015e006ae054ccd331a70ad96baeccad61f22efa624b

SHA512
006f7ae411969c304b492e733cfcee22de4aca0d07873a95cbb0195f3d322697acd20e3c4c53e67f2db8388ed6b089b634e5bbdd3406619b0ec40ad77ca93841

Download Submit
C:\52830064\brvhbiro.bin
MD5
34dc4be1960b4ac6aaff64726d0af2ec

SHA1
1fdf27bacfb1b6134c4c08773374485855ece15b

SHA256
2f2ac6f0e36134f2166e0232b64637dc7f2e33812d38e577f8c944b3f87edcda

SHA512
2d441101e828a9766be8df35ae923c0a16fa2b690b40bef6f0a27a22b2061bf53571aa09e35fc93af3e2e2df214f14dac7e73b14e86c59b9dfd1e0cb642e5eff

Download Submit
C:\52830064\xwobhs.pif
MD5
957fcff5374f7a5ee128d32c976adaa5

SHA1
72a4cc77337d22b5c23335538c62bea7ed9cbb93

SHA256
699534a988a6aa7c8c5ff4eb01ac28292be257b0312e6d7351fb4cacaa4124d5

SHA512
e9dc65fbb964cb64cfcbb1c9b5c53595b0f0304a7179710ddac5aefa2f0f40bb67271b7aeb39654254c2fe68fcd62b77a94674b8e9c3a57ad3497197ede87ca9

Download Submit
C:\52830064\xwobhs.pif
MD5
957fcff5374f7a5ee128d32c976adaa5

SHA1
72a4cc77337d22b5c23335538c62bea7ed9cbb93

SHA256
699534a988a6aa7c8c5ff4eb01ac28292be257b0312e6d7351fb4cacaa4124d5

SHA512
e9dc65fbb964cb64cfcbb1c9b5c53595b0f0304a7179710ddac5aefa2f0f40bb67271b7aeb39654254c2fe68fcd62b77a94674b8e9c3a57ad3497197ede87ca9

Download Submit
C:\Program Files (x86)\Company\NewProduct\Topaz Gigapixel AI.exe
MD5
9abc52b7dc79d4641d7a2773d9bd6999

SHA1
7fb26b7ae31e80a6aad297c3191ec175dfc23142

SHA256
eeb84edf9569c645b112a1f7d75f608d2dc54ddb66e63d1d0327b761f3eb85fd

SHA512
7a9f5b5eceecc1ac4090f3324e9533f7eec5bffee63c626e0f09f50e800f10308e0cf4ce1ca3e8e0ad6c75fdd8914d5d4ba2afc32d6992d38c83fe9a672b2de4

Download Submit
C:\Program Files (x86)\Company\NewProduct\Topaz Gigapixel AI.exe
MD5
9abc52b7dc79d4641d7a2773d9bd6999

SHA1
7fb26b7ae31e80a6aad297c3191ec175dfc23142

SHA256
eeb84edf9569c645b112a1f7d75f608d2dc54ddb66e63d1d0327b761f3eb85fd

SHA512
7a9f5b5eceecc1ac4090f3324e9533f7eec5bffee63c626e0f09f50e800f10308e0cf4ce1ca3e8e0ad6c75fdd8914d5d4ba2afc32d6992d38c83fe9a672b2de4

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\Roaming\sdff.exe
MD5
de3d6958f101e3b252f18168f240480d

SHA1
4a2ff6b9018df0b31db61ce4f5a6d844c05dc3ce

SHA256
1e73294675f42df94d101ece8c550fcfa2746ae6f8bf3261e16d315c5d8de832

SHA512
ca26091630e7509e79b386cbc1024446d51bc1ff0763b14aa1e8d03b0ec815d2484beccc905d1694db87a5b1dc8a8e95971c25dd5cd51abe9cbd000aea13f1f7

Download Submit
C:\Users\Admin\AppData\Roaming\sdff.exe
MD5
de3d6958f101e3b252f18168f240480d

SHA1
4a2ff6b9018df0b31db61ce4f5a6d844c05dc3ce

SHA256
1e73294675f42df94d101ece8c550fcfa2746ae6f8bf3261e16d315c5d8de832

SHA512
ca26091630e7509e79b386cbc1024446d51bc1ff0763b14aa1e8d03b0ec815d2484beccc905d1694db87a5b1dc8a8e95971c25dd5cd51abe9cbd000aea13f1f7

Download Submit
memory/404-124-0x0000000000000000-mapping.dmp

Download
memory/1572-129-0x0000000001100000-0x00000000015C2000-memory.dmp

Filesize
4.8MB

Download
memory/1572-130-0x000000000110676E-mapping.dmp

Download
memory/1572-135-0x0000000005BB0000-0x0000000005BB1000-memory.dmp

Filesize
4KB

Download
memory/1572-136-0x0000000006170000-0x0000000006171000-memory.dmp

Filesize
4KB

Download
memory/1572-137-0x0000000005E10000-0x0000000005E11000-memory.dmp

Filesize
4KB

Download
memory/1572-138-0x0000000005B10000-0x0000000005BAC000-memory.dmp

Filesize
624KB

Download
memory/1572-139-0x0000000005D90000-0x0000000005D91000-memory.dmp

Filesize
4KB

Download
memory/1572-140-0x0000000005FE0000-0x0000000005FE1000-memory.dmp

Filesize
4KB

Download
memory/3144-121-0x0000000000000000-mapping.dmp

Download
memory/3924-118-0x0000000000000000-mapping.dmp

Download