dbcc1bec2dbc4002cfdade40966eb639ccf4da67a7b9728f444beb1d35ed4f7f

Resubmissions

12/06/2024, 08:28

240612-kcy2jawckj 10

10/06/2024, 17:27

240610-v1ktxsvbpk 10

Analysis

max time kernel
29s
max time network
36s
platform
windows11-21h2_x64
resource
win11-20240426-en
resource tags

arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
submitted
10/06/2024, 17:27

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Mydoom/b4ab8f5c8b97307b328ba30fdefdbe4341c4e2c576729fdb5c7329d5b07bb695.exe
Size

41KB
MD5

2f0ded84c37387024cd7145bd7e64e88
SHA1

61803770a6bdf2aafb3f7efcc3c135d63ddd55b5
SHA256

b4ab8f5c8b97307b328ba30fdefdbe4341c4e2c576729fdb5c7329d5b07bb695
SHA512

efe39f1abf0c1ae5662c95bdcc7022e5982069e7656860356643eabf4a567639136125294dfd3ecbde72e0853e886a88b5d085d8c757c7b63f67cb000b510848
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/:AEwVs+0jNDY1qi/q

Score

7^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
772	services.exe

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral29/memory/4884-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral29/memory/772-7-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral29/files/0x000500000002a97f-6.dat	upx
behavioral29/memory/4884-13-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral29/memory/772-14-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral29/memory/772-19-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe"	b4ab8f5c8b97307b328ba30fdefdbe4341c4e2c576729fdb5c7329d5b07bb695.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	b4ab8f5c8b97307b328ba30fdefdbe4341c4e2c576729fdb5c7329d5b07bb695.exe
File opened for modification	C:\Windows\java.exe	b4ab8f5c8b97307b328ba30fdefdbe4341c4e2c576729fdb5c7329d5b07bb695.exe
File created	C:\Windows\java.exe	b4ab8f5c8b97307b328ba30fdefdbe4341c4e2c576729fdb5c7329d5b07bb695.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4884 wrote to memory of 772	4884	b4ab8f5c8b97307b328ba30fdefdbe4341c4e2c576729fdb5c7329d5b07bb695.exe	76
PID 4884 wrote to memory of 772	4884	b4ab8f5c8b97307b328ba30fdefdbe4341c4e2c576729fdb5c7329d5b07bb695.exe	76
PID 4884 wrote to memory of 772	4884	b4ab8f5c8b97307b328ba30fdefdbe4341c4e2c576729fdb5c7329d5b07bb695.exe	76

C:\Users\Admin\AppData\Local\Temp\Mydoom\b4ab8f5c8b97307b328ba30fdefdbe4341c4e2c576729fdb5c7329d5b07bb695.exe
"C:\Users\Admin\AppData\Local\Temp\Mydoom\b4ab8f5c8b97307b328ba30fdefdbe4341c4e2c576729fdb5c7329d5b07bb695.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4884
- C:\Windows\services.exe
  "C:\Windows\services.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  PID:772

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/772-7-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/772-14-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/772-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4884-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4884-13-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads