9abbca071714ee9efbf6e3beebb7427822c4359836b28204583af5e24f4b8046

Analysis

max time kernel
138s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
11/10/2023, 14:30

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General

Target

NEBULA OSC/NebulaOSC.exe
Size

1.5MB
MD5

d3afb4ad345f7dd766cf48f6c225b6c0
SHA1

81770566a842c3ef4ff306f2f9dbfde44e84d9eb
SHA256

fdd2f4e79f4970ca1bbdf4215e72483e43d4cc0f08e3932640c767c04fd41639
SHA512

621dafd13d2828d299b33790ad51bc315bb51c11187661605267dfe8355e7247848362c443bed47d7dc5ff9487fda8bed0186820c46cb67bfb526e3b147d703c
SSDEEP

49152:N/4M779Rck9tV5w1ZvLl7XrOOliyea7m:NdDUvLl7XrO/xAm

Score

6^/10

Malware Config

Signatures

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\Y:	NebulaOSC.exe
File opened (read-only)	\??\B:	NebulaOSC.exe
File opened (read-only)	\??\J:	NebulaOSC.exe
File opened (read-only)	\??\O:	NebulaOSC.exe
File opened (read-only)	\??\P:	NebulaOSC.exe
File opened (read-only)	\??\T:	NebulaOSC.exe
File opened (read-only)	\??\U:	NebulaOSC.exe
File opened (read-only)	\??\H:	NebulaOSC.exe
File opened (read-only)	\??\I:	NebulaOSC.exe
File opened (read-only)	\??\K:	NebulaOSC.exe
File opened (read-only)	\??\R:	NebulaOSC.exe
File opened (read-only)	\??\V:	NebulaOSC.exe
File opened (read-only)	\??\Z:	NebulaOSC.exe
File opened (read-only)	\??\A:	NebulaOSC.exe
File opened (read-only)	\??\E:	NebulaOSC.exe
File opened (read-only)	\??\M:	NebulaOSC.exe
File opened (read-only)	\??\Q:	NebulaOSC.exe
File opened (read-only)	\??\S:	NebulaOSC.exe
File opened (read-only)	\??\W:	NebulaOSC.exe
File opened (read-only)	\??\G:	NebulaOSC.exe
File opened (read-only)	\??\L:	NebulaOSC.exe
File opened (read-only)	\??\N:	NebulaOSC.exe
File opened (read-only)	\??\X:	NebulaOSC.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3340	NebulaOSC.exe
Token: SeShutdownPrivilege	3340	NebulaOSC.exe
Token: SeCreatePagefilePrivilege	3340	NebulaOSC.exe

C:\Users\Admin\AppData\Local\Temp\NEBULA OSC\NebulaOSC.exe
"C:\Users\Admin\AppData\Local\Temp\NEBULA OSC\NebulaOSC.exe"
1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
PID:3340

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x244 0x4f0
1⤵
PID:216

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows Media\12.0\WMSDKNS.XML

Filesize
9KB

MD5
7050d5ae8acfbe560fa11073fef8185d

SHA1
5bc38e77ff06785fe0aec5a345c4ccd15752560e

SHA256
cb87767c4a384c24e4a0f88455f59101b1ae7b4fb8de8a5adb4136c5f7ee545b

SHA512
a7a295ac8921bb3dde58d4bcde9372ed59def61d4b7699057274960fa8c1d1a1daff834a93f7a0698e9e5c16db43af05e9fd2d6d7c9232f7d26ffcff5fc5900b

Download Submit
memory/3340-0-0x000001F6E11D0000-0x000001F6E135A000-memory.dmp

Filesize
1.5MB

Download
memory/3340-1-0x00007FFF68EA0000-0x00007FFF69961000-memory.dmp

Filesize
10.8MB

Download
memory/3340-2-0x000001F6E1700000-0x000001F6E1701000-memory.dmp

Filesize
4KB

Download
memory/3340-3-0x000001F6FB810000-0x000001F6FB820000-memory.dmp

Filesize
64KB

Download
memory/3340-4-0x000001F6E2F60000-0x000001F6E2F7C000-memory.dmp

Filesize
112KB

Download
memory/3340-5-0x000001F6FBA20000-0x000001F6FBA78000-memory.dmp

Filesize
352KB

Download
memory/3340-6-0x000001F6FBC50000-0x000001F6FC754000-memory.dmp

Filesize
11.0MB

Download
memory/3340-17-0x00007FFF68EA0000-0x00007FFF69961000-memory.dmp

Filesize
10.8MB

Download
memory/3340-18-0x000001F6FB810000-0x000001F6FB820000-memory.dmp

Filesize
64KB

Download
memory/3340-19-0x000001F6FBC50000-0x000001F6FC754000-memory.dmp

Filesize
11.0MB

Download
memory/3340-23-0x00007FFF68EA0000-0x00007FFF69961000-memory.dmp

Filesize
10.8MB

Download