a8bc86cd95d9cb31d2a958734e7a88af3eb46bab9a91712a21a7bce6afecde1a

Analysis

max time kernel
144s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20240214-en
resource tags

arch:x64arch:x86image:win11-20240214-enlocale:en-usos:windows11-21h2-x64system
submitted
18/02/2024, 08:40

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General

Target

MegaMan Unlimited/MMU.exe
Size

2.9MB
MD5

ce8e617cbac54f53d0c231fefbc16cae
SHA1

36d3093369038c1706018789138feeda3365d290
SHA256

f9d0b9d7d341bc104f4ea72a5a13a37f9c491a0d0cc2c3e13a3e0669d6ceca77
SHA512

3cb310148135575496c4a707411d2d2a230ec48b7e5a47d071e77d57346e358949554f2b00915dee91dc61d4d44e12f4a01b3866588df6dfc107f00ae7de3aa7
SSDEEP

49152:zOa/qIp9YeKj0dHk/BlqRCZPz4SKkYnAhmxf1CYh2:6S9YtOC5z4SF

Score

6^/10

Malware Config

Signatures

Drops desktop.ini file(s) 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\Videos\Captures\desktop.ini	svchost.exe

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

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-3513082673-3003704585-445662156-1000\{8BC02A64-14B8-4372-B14C-16888615B7BB}	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
964	MMU.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	2068	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	2068	AUDIODG.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
964	MMU.exe
2120	OpenWith.exe

C:\Users\Admin\AppData\Local\Temp\MegaMan Unlimited\MMU.exe
"C:\Users\Admin\AppData\Local\Temp\MegaMan Unlimited\MMU.exe"
1⤵
- Enumerates connected drives
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:964

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Suspicious use of SetWindowsHookEx
PID:2120

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x00000000000004DC 0x00000000000004EC
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2068

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k BcastDVRUserService -s BcastDVRUserService
1⤵
- Drops desktop.ini file(s)
- Checks processor information in registry
- Modifies registry class
PID:3572

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

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Downloads

C:\Users\Admin\Videos\Captures\desktop.ini

Filesize
190B

MD5
b0d27eaec71f1cd73b015f5ceeb15f9d

SHA1
62264f8b5c2f5034a1e4143df6e8c787165fbc2f

SHA256
86d9f822aeb989755fac82929e8db369b3f5f04117ef96fd76e3d5f920a501d2

SHA512
7b5c9783a0a14b600b156825639d24cbbc000f5066c48ce9fecc195255603fc55129aaaca336d7ce6ad4e941d5492b756562f2c7a1d151fcfc2dabac76f3946c

Download Submit
memory/964-0-0x00000000041F0000-0x0000000004310000-memory.dmp

Filesize
1.1MB

Download
memory/964-1-0x0000000004350000-0x0000000004364000-memory.dmp

Filesize
80KB

Download
memory/964-20-0x000000006B3C0000-0x000000006B3D0000-memory.dmp

Filesize
64KB

Download
memory/964-22-0x0000000070680000-0x000000007068D000-memory.dmp

Filesize
52KB

Download
memory/964-21-0x000000006D540000-0x000000006D56E000-memory.dmp

Filesize
184KB

Download

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads