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
32s
platform
windows11-21h2_x64
resource
win11-20240419-en
resource tags

arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
submitted
10-06-2024 17:27

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General

Target

Mydoom/2522b83852588bc0f7f620f9b4fe3a9337b9608be335d3958d190275f333df03.exe
Size

49KB
MD5

d4aae2114968c886660e4cbf1c694160
SHA1

c5b6d1ccc5f238686f3be7bfff44c9b612d74efb
SHA256

2522b83852588bc0f7f620f9b4fe3a9337b9608be335d3958d190275f333df03
SHA512

69d0c95abcb789b5e638e826c0b827634fb076248c659b1d2d62741383a62510d6ad6b1e6c16ea1a2ab7f2ac271ba56958e0f070def4a33c6bcaacba848c8395
SSDEEP

768:nqQ07c92/EyTAYtxqfGNC0klI7C8ycYlI5P194jp49w404LY:n87wc1aGNC0klI7CPpIFa69wAY

Score

7^/10

persistence upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral8/memory/3380-0-0x0000000000800000-0x000000000080D000-memory.dmp	upx
behavioral8/memory/3380-3-0x0000000000800000-0x000000000080D000-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:

2522b83852588bc0f7f620f9b4fe3a9337b9608be335d3958d190275f333df03.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Traybar = "C:\\Windows\\lsass.exe"	2522b83852588bc0f7f620f9b4fe3a9337b9608be335d3958d190275f333df03.exe

Drops file in Windows directory 2 IoCs

Processes:

2522b83852588bc0f7f620f9b4fe3a9337b9608be335d3958d190275f333df03.exe

description	ioc	process
File opened for modification	C:\Windows\lsass.exe	2522b83852588bc0f7f620f9b4fe3a9337b9608be335d3958d190275f333df03.exe
File created	C:\Windows\lsass.exe	2522b83852588bc0f7f620f9b4fe3a9337b9608be335d3958d190275f333df03.exe

C:\Users\Admin\AppData\Local\Temp\Mydoom\2522b83852588bc0f7f620f9b4fe3a9337b9608be335d3958d190275f333df03.exe
"C:\Users\Admin\AppData\Local\Temp\Mydoom\2522b83852588bc0f7f620f9b4fe3a9337b9608be335d3958d190275f333df03.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
PID:3380

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/3380-0-0x0000000000800000-0x000000000080D000-memory.dmp

Filesize
52KB

Download
memory/3380-3-0x0000000000800000-0x000000000080D000-memory.dmp

Filesize
52KB

Download