nanocore | 24f8cbc66425ea15673a3585ced98c5443a27e7f79f7bc321f04373e13f98a5b

General

Target

66277a2940790dc82ed209d3cc1af94ce22735f2eda359fc7fe8383f08c5ca05.exe
Size

634KB
MD5

eb0ed1d3d1ecdee4d44e4a19a672b549
SHA1

4b29e2c54e9a35ba92e63872e7bce4304789fe4a
SHA256

66277a2940790dc82ed209d3cc1af94ce22735f2eda359fc7fe8383f08c5ca05
SHA512

a17a1f4c45c260ce93c678b21144e2865ab4ebd2b4ccc8e6ddf9f606656ac1162845431d100df4779fbea83a8745fb79231113f6313c1b831625e077c8b998a6
SSDEEP

12288:3bjqjqjfAXzY0lvpAYPcb/6XcClGgoaOo:3bjqjOWUGJCCPlGgoaOo

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

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:

eafjwzqw.exeeafjwzqw.exe

pid process

1124 eafjwzqw.exe
1368 eafjwzqw.exe
Loads dropped DLL 1 IoCs

Processes:

eafjwzqw.exe

pid process

1684 eafjwzqw.exe

pid	process
1124	eafjwzqw.exe
1368	eafjwzqw.exe

pid	process
1684	eafjwzqw.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

eafjwzqw.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\syqymlwo = "C:\\Users\\Admin\\AppData\\Roaming\\adbl\\oilas.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\eafjwzqw.exe\""	eafjwzqw.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

eafjwzqw.exe

description ioc process

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

Processes:

eafjwzqw.exe

description pid process target process

PID 1124 set thread context of 1684 1124 eafjwzqw.exe eafjwzqw.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1836 1124 WerFault.exe eafjwzqw.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

eafjwzqw.exe

pid process

1684 eafjwzqw.exe
1684 eafjwzqw.exe
1684 eafjwzqw.exe
1684 eafjwzqw.exe
1684 eafjwzqw.exe
1684 eafjwzqw.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

eafjwzqw.exe

pid process

1684 eafjwzqw.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

eafjwzqw.exe

description pid process

Token: SeDebugPrivilege 1684 eafjwzqw.exe

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

description	pid	process	target process
PID 1124 set thread context of 1684	1124	eafjwzqw.exe	eafjwzqw.exe

pid	pid_target	process	target process
1836	1124	WerFault.exe	eafjwzqw.exe

pid	process
1684	eafjwzqw.exe
1684	eafjwzqw.exe
1684	eafjwzqw.exe
1684	eafjwzqw.exe
1684	eafjwzqw.exe
1684	eafjwzqw.exe

pid	process
1684	eafjwzqw.exe

description	pid	process
Token: SeDebugPrivilege	1684	eafjwzqw.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

66277a2940790dc82ed209d3cc1af94ce22735f2eda359fc7fe8383f08c5ca05.exeeafjwzqw.exe

description	pid	process	target process
PID 4904 wrote to memory of 1124	4904	66277a2940790dc82ed209d3cc1af94ce22735f2eda359fc7fe8383f08c5ca05.exe	eafjwzqw.exe
PID 4904 wrote to memory of 1124	4904	66277a2940790dc82ed209d3cc1af94ce22735f2eda359fc7fe8383f08c5ca05.exe	eafjwzqw.exe
PID 4904 wrote to memory of 1124	4904	66277a2940790dc82ed209d3cc1af94ce22735f2eda359fc7fe8383f08c5ca05.exe	eafjwzqw.exe
PID 1124 wrote to memory of 1368	1124	eafjwzqw.exe	eafjwzqw.exe
PID 1124 wrote to memory of 1368	1124	eafjwzqw.exe	eafjwzqw.exe
PID 1124 wrote to memory of 1368	1124	eafjwzqw.exe	eafjwzqw.exe
PID 1124 wrote to memory of 1684	1124	eafjwzqw.exe	eafjwzqw.exe
PID 1124 wrote to memory of 1684	1124	eafjwzqw.exe	eafjwzqw.exe
PID 1124 wrote to memory of 1684	1124	eafjwzqw.exe	eafjwzqw.exe
PID 1124 wrote to memory of 1684	1124	eafjwzqw.exe	eafjwzqw.exe

C:\Users\Admin\AppData\Local\Temp\66277a2940790dc82ed209d3cc1af94ce22735f2eda359fc7fe8383f08c5ca05.exe
"C:\Users\Admin\AppData\Local\Temp\66277a2940790dc82ed209d3cc1af94ce22735f2eda359fc7fe8383f08c5ca05.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4904

C:\Users\Admin\AppData\Local\Temp\eafjwzqw.exe
"C:\Users\Admin\AppData\Local\Temp\eafjwzqw.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1124

C:\Users\Admin\AppData\Local\Temp\eafjwzqw.exe
"C:\Users\Admin\AppData\Local\Temp\eafjwzqw.exe"
3⤵
- Executes dropped EXE
PID:1368

C:\Users\Admin\AppData\Local\Temp\eafjwzqw.exe
"C:\Users\Admin\AppData\Local\Temp\eafjwzqw.exe"
3⤵
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1684

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1124 -s 592
3⤵
- Program crash
PID:1836

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1124 -ip 1124
1⤵
PID:1560

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

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\AppData\Local\Temp\eafjwzqw.exe
Filesize
59KB

MD5
2ba6deeb78963ffea21cbf0d1d1dae2e

SHA1
ccd23c3f4cab4a51463a1936114f3a5990327d9f

SHA256
03e7ac600c3c90b8e65a7228477794f26c28a15b2118723f45dede4a8bd47c2c

SHA512
1d7fc004110b9b1b5805563f3e93f40db49451789c439645903e7cad1e63c91d4a04c06c62d835d3517fb106567f4deaa6f5856ea323790ca0e6f32b6f725814

Download Submit
C:\Users\Admin\AppData\Local\Temp\eafjwzqw.exe
Filesize
59KB

MD5
2ba6deeb78963ffea21cbf0d1d1dae2e

SHA1
ccd23c3f4cab4a51463a1936114f3a5990327d9f

SHA256
03e7ac600c3c90b8e65a7228477794f26c28a15b2118723f45dede4a8bd47c2c

SHA512
1d7fc004110b9b1b5805563f3e93f40db49451789c439645903e7cad1e63c91d4a04c06c62d835d3517fb106567f4deaa6f5856ea323790ca0e6f32b6f725814

Download Submit
C:\Users\Admin\AppData\Local\Temp\eafjwzqw.exe
Filesize
59KB

MD5
2ba6deeb78963ffea21cbf0d1d1dae2e

SHA1
ccd23c3f4cab4a51463a1936114f3a5990327d9f

SHA256
03e7ac600c3c90b8e65a7228477794f26c28a15b2118723f45dede4a8bd47c2c

SHA512
1d7fc004110b9b1b5805563f3e93f40db49451789c439645903e7cad1e63c91d4a04c06c62d835d3517fb106567f4deaa6f5856ea323790ca0e6f32b6f725814

Download Submit
C:\Users\Admin\AppData\Local\Temp\eafjwzqw.exe
Filesize
59KB

MD5
2ba6deeb78963ffea21cbf0d1d1dae2e

SHA1
ccd23c3f4cab4a51463a1936114f3a5990327d9f

SHA256
03e7ac600c3c90b8e65a7228477794f26c28a15b2118723f45dede4a8bd47c2c

SHA512
1d7fc004110b9b1b5805563f3e93f40db49451789c439645903e7cad1e63c91d4a04c06c62d835d3517fb106567f4deaa6f5856ea323790ca0e6f32b6f725814

Download Submit
C:\Users\Admin\AppData\Local\Temp\pgfbpmbqxf.n
Filesize
6KB

MD5
84ea7d66d8c0c12d6ea950062da62627

SHA1
97e7abd8b8180f1c9aac438baf1391448415258f

SHA256
6a8037d826df41ae1b6968f9eb44cd731f5bc913cf5608ecac6a7430b704466e

SHA512
a8b8cb20e2c7dd9a2b7785b90f71cb1a2d97132704502242817bc8f62579a1f3842bc8c37851c950ad5bba7386d313bd03578a07bdd053d0dacdf8c148abadc0

Download Submit
C:\Users\Admin\AppData\Local\Temp\pigrsyahd.csi
Filesize
280KB

MD5
195eb8ccef6718005acc0dd309787e9d

SHA1
3111e3c532d17e4489b32a26dcc62615219bf92b

SHA256
170d1980f6a469f9b381607e7d86a92c9864dc82723608f2d83c5e0f1fb4e8a2

SHA512
70e61403ea47267c64669f2f46716bad0c1e1024ac5a4bda09806723375dd413e7b0c8b5f3933685bc114b74cd62c32ed2af8a8c923434d5fdaa936dcdc64c9c

Download Submit
memory/1124-132-0x0000000000000000-mapping.dmp

Download
memory/1684-138-0x0000000000000000-mapping.dmp

Download
memory/1684-140-0x0000000005E40000-0x00000000063E4000-memory.dmp

Filesize
5.6MB

Download
memory/1684-141-0x0000000005890000-0x0000000005922000-memory.dmp

Filesize
584KB

Download
memory/1684-142-0x00000000059D0000-0x0000000005A6C000-memory.dmp

Filesize
624KB

Download
memory/1684-143-0x0000000005860000-0x000000000586A000-memory.dmp

Filesize
40KB

Download
memory/1684-144-0x00000000073F0000-0x0000000007456000-memory.dmp

Filesize
408KB

Download

Analysis

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