dbcc1bec2dbc4002cfdade40966eb639ccf4da67a7b9728f444beb1d35ed4f7f

Resubmissions

12-06-2024 08:28

240612-kcy2jawckj 10

10-06-2024 17:27

240610-v1ktxsvbpk 10

Analysis

max time kernel
21s
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

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General

Target

Mydoom/1fe99fb7c527a90826896e695f23e712375358df3c7aa9163af6b96d872a9f81.exe
Size

21KB
MD5

26b8bc40d95b979e1e708a9f843242ad
SHA1

229284e8cb74bbfae647eb160e4188bda3e50721
SHA256

1fe99fb7c527a90826896e695f23e712375358df3c7aa9163af6b96d872a9f81
SHA512

e53fb1b351f47227c1568718c99cc78048507518ac823cebccddebdc630845f9c972a746036f67d416275bdb1667d298ddd6a0fd4e0fea4dc096d7c2cfcf0625
SSDEEP

384:FZcpzCIqdG3A3WUkx38GZDJuJbf1+o44u8gHzU4ek+:SCIqdH/k1ZVcT194jp44eD

Score

7^/10

persistence upx

Malware Config

Signatures

UPX packed file 3 IoCs

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

upx

Processes:

resource	yara_rule
behavioral6/memory/2776-0-0x0000000000800000-0x000000000080D000-memory.dmp	upx
behavioral6/memory/2776-3-0x0000000000800000-0x000000000080D000-memory.dmp	upx
behavioral6/memory/2776-4-0x0000000000800000-0x000000000080D000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

1fe99fb7c527a90826896e695f23e712375358df3c7aa9163af6b96d872a9f81.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Traybar = "C:\\Windows\\lsass.exe"	1fe99fb7c527a90826896e695f23e712375358df3c7aa9163af6b96d872a9f81.exe

Drops file in Windows directory 2 IoCs

Processes:

1fe99fb7c527a90826896e695f23e712375358df3c7aa9163af6b96d872a9f81.exe

description	ioc	process
File opened for modification	C:\Windows\lsass.exe	1fe99fb7c527a90826896e695f23e712375358df3c7aa9163af6b96d872a9f81.exe
File created	C:\Windows\lsass.exe	1fe99fb7c527a90826896e695f23e712375358df3c7aa9163af6b96d872a9f81.exe

C:\Users\Admin\AppData\Local\Temp\Mydoom\1fe99fb7c527a90826896e695f23e712375358df3c7aa9163af6b96d872a9f81.exe
"C:\Users\Admin\AppData\Local\Temp\Mydoom\1fe99fb7c527a90826896e695f23e712375358df3c7aa9163af6b96d872a9f81.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
PID:2776

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/2776-0-0x0000000000800000-0x000000000080D000-memory.dmp

Filesize
52KB

Download
memory/2776-3-0x0000000000800000-0x000000000080D000-memory.dmp

Filesize
52KB

Download
memory/2776-4-0x0000000000800000-0x000000000080D000-memory.dmp

Filesize
52KB

Download