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
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
10-06-2024 17:27

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General

Target

Mydoom/1760c5727e5568d3b18a1cbf0d50c311613699af8233c96fb3eee197f438ce9c.exe
Size

28KB
MD5

e26570922a9373c1f3a06f647ddd10a4
SHA1

e0f6853e39e0b9fbcb3062bb7e15b8734b9df9f3
SHA256

1760c5727e5568d3b18a1cbf0d50c311613699af8233c96fb3eee197f438ce9c
SHA512

e17a8c1ca8aa6c65106831086f203736b7bdd92c54d2487f381f7d7303a5f3852859935ef55a913dd8856c6015a5f9414308430ae1ff4b5690743025f8ff4c70
SSDEEP

384:1vxBbK26lj5Id8SpHx9jLhsznnVxA1WmP5w7GGCJlqqwMyNQ05:Dv8IRRdsxq1DjJcqf8

Score

7^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

services.exe

pid process

2380 services.exe

pid	process
2380	services.exe

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral5/memory/3736-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
C:\Windows\services.exe	upx
behavioral5/memory/2380-6-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral5/memory/3736-13-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral5/memory/2380-14-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral5/memory/2380-19-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

1760c5727e5568d3b18a1cbf0d50c311613699af8233c96fb3eee197f438ce9c.exeservices.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe"	1760c5727e5568d3b18a1cbf0d50c311613699af8233c96fb3eee197f438ce9c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

Drops file in Windows directory 3 IoCs

Processes:

1760c5727e5568d3b18a1cbf0d50c311613699af8233c96fb3eee197f438ce9c.exe

description	ioc	process
File created	C:\Windows\services.exe	1760c5727e5568d3b18a1cbf0d50c311613699af8233c96fb3eee197f438ce9c.exe
File opened for modification	C:\Windows\java.exe	1760c5727e5568d3b18a1cbf0d50c311613699af8233c96fb3eee197f438ce9c.exe
File created	C:\Windows\java.exe	1760c5727e5568d3b18a1cbf0d50c311613699af8233c96fb3eee197f438ce9c.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

1760c5727e5568d3b18a1cbf0d50c311613699af8233c96fb3eee197f438ce9c.exe

description	pid	process	target process
PID 3736 wrote to memory of 2380	3736	1760c5727e5568d3b18a1cbf0d50c311613699af8233c96fb3eee197f438ce9c.exe	services.exe
PID 3736 wrote to memory of 2380	3736	1760c5727e5568d3b18a1cbf0d50c311613699af8233c96fb3eee197f438ce9c.exe	services.exe
PID 3736 wrote to memory of 2380	3736	1760c5727e5568d3b18a1cbf0d50c311613699af8233c96fb3eee197f438ce9c.exe	services.exe

C:\Users\Admin\AppData\Local\Temp\Mydoom\1760c5727e5568d3b18a1cbf0d50c311613699af8233c96fb3eee197f438ce9c.exe
"C:\Users\Admin\AppData\Local\Temp\Mydoom\1760c5727e5568d3b18a1cbf0d50c311613699af8233c96fb3eee197f438ce9c.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3736

C:\Windows\services.exe
"C:\Windows\services.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
PID:2380

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

C:\Users\Admin\AppData\Local\Temp\zincite.log
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
C:\Windows\services.exe
Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/2380-6-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2380-14-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2380-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3736-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/3736-13-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download