dbcc1bec2dbc4002cfdade40966eb639ccf4da67a7b9728f444beb1d35ed4f7f

Resubmissions

12-06-2024 08:28

240612-kcy2jawckj 10

10-06-2024 17:27

240610-v1ktxsvbpk 10

Analysis

max time kernel
30s
max time network
35s
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/3db846a796caa001666df8f7cae709fff02f984711b0e70e0e79c457d631b4e5.exe
Size

41KB
MD5

b1f6a4cc592f3c9f7d4b69c02ac74d11
SHA1

db2db17c1d3e2c4f3a45aad9215cc77ed455ffcc
SHA256

3db846a796caa001666df8f7cae709fff02f984711b0e70e0e79c457d631b4e5
SHA512

66c3d5cb3c9bf13604748853797e4c1a1eae13d52cdf43f16da0b1b180ad0c10102a2935d4d6bd0549f6e48427c0181cbb07f1ee664274727dff0cc61e5075c5
SSDEEP

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

Score

7^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

services.exe

pid process

340 services.exe

pid	process
340	services.exe

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral11/memory/3368-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
C:\Windows\services.exe	upx
behavioral11/memory/340-7-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral11/memory/3368-13-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral11/memory/340-14-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral11/memory/340-19-0x0000000000400000-0x0000000000408000-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:

3db846a796caa001666df8f7cae709fff02f984711b0e70e0e79c457d631b4e5.exeservices.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe"	3db846a796caa001666df8f7cae709fff02f984711b0e70e0e79c457d631b4e5.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:

3db846a796caa001666df8f7cae709fff02f984711b0e70e0e79c457d631b4e5.exe

description	ioc	process
File created	C:\Windows\services.exe	3db846a796caa001666df8f7cae709fff02f984711b0e70e0e79c457d631b4e5.exe
File opened for modification	C:\Windows\java.exe	3db846a796caa001666df8f7cae709fff02f984711b0e70e0e79c457d631b4e5.exe
File created	C:\Windows\java.exe	3db846a796caa001666df8f7cae709fff02f984711b0e70e0e79c457d631b4e5.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

3db846a796caa001666df8f7cae709fff02f984711b0e70e0e79c457d631b4e5.exe

description	pid	process	target process
PID 3368 wrote to memory of 340	3368	3db846a796caa001666df8f7cae709fff02f984711b0e70e0e79c457d631b4e5.exe	services.exe
PID 3368 wrote to memory of 340	3368	3db846a796caa001666df8f7cae709fff02f984711b0e70e0e79c457d631b4e5.exe	services.exe
PID 3368 wrote to memory of 340	3368	3db846a796caa001666df8f7cae709fff02f984711b0e70e0e79c457d631b4e5.exe	services.exe

C:\Users\Admin\AppData\Local\Temp\Mydoom\3db846a796caa001666df8f7cae709fff02f984711b0e70e0e79c457d631b4e5.exe
"C:\Users\Admin\AppData\Local\Temp\Mydoom\3db846a796caa001666df8f7cae709fff02f984711b0e70e0e79c457d631b4e5.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3368

C:\Windows\services.exe
"C:\Windows\services.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
PID:340

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

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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/340-7-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/340-14-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/340-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3368-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/3368-13-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download