mydoom | 3b486168388e5176f890d1e706c1c0cfe738758fc10a34d036df693275963031

General

Target

Worm.Win32.Mydoom.exe
Size

41KB
MD5

193d0a244c8df9d48e37e8c0de694790
SHA1

61ad5f4bf01f8ed36a4ccef66be6ee440b0bcfa7
SHA256

3b486168388e5176f890d1e706c1c0cfe738758fc10a34d036df693275963031
SHA512

00cef3add273e01306421d5600fc960a98b333ff1d6756704aa39cec993750f012d740c880ceb2a9db2f7d63f4be461d2ca5335bde2705a67d2854376a78f8ad
SSDEEP

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

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 2 IoCs

resource	yara_rule
behavioral2/memory/2896-13-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/2896-56-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom

MyDoom
MyDoom is a Worm that is written in C++.
worm mydoom

Executes dropped EXE 1 IoCs

pid	Process
1372	services.exe

UPX packed file 18 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2896-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/1372-5-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/files/0x00080000000234db-4.dat	upx
behavioral2/memory/2896-13-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/1372-15-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1372-16-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1372-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1372-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1372-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1372-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1372-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1372-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1372-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1372-50-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1372-52-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2896-56-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/1372-57-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/files/0x0004000000000705-67.dat	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\JavaVM = "C:\\Windows\\java.exe"	Worm.Win32.Mydoom.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

description	ioc	Process
File created	C:\Windows\java.exe	Worm.Win32.Mydoom.exe
File created	C:\Windows\services.exe	Worm.Win32.Mydoom.exe
File opened for modification	C:\Windows\java.exe	Worm.Win32.Mydoom.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Worm.Win32.Mydoom.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2896 wrote to memory of 1372	2896	Worm.Win32.Mydoom.exe	84
PID 2896 wrote to memory of 1372	2896	Worm.Win32.Mydoom.exe	84
PID 2896 wrote to memory of 1372	2896	Worm.Win32.Mydoom.exe	84

C:\Users\Admin\AppData\Local\Temp\Worm.Win32.Mydoom.exe
"C:\Users\Admin\AppData\Local\Temp\Worm.Win32.Mydoom.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2896
- C:\Windows\services.exe
  "C:\Windows\services.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  PID:1372

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp8B9E.tmp

Filesize
41KB

MD5
5a359416f834e9dd38748488ca4005af

SHA1
8bfcc046f4d162836c591022f1f80fe33f196c9a

SHA256
1d26cce4af558d0fa098d9746d14fc1b35f5b12958e7e0293ee449dbcf67f25f

SHA512
40b99d3a6fb1b470dbcc3c05a1ed4217e5b5316073fb36f84bbf7d3de9eac3993a25921b697f32a2ebbc3d113fc597878b862d5ea871daa08dbb286d5c7cd712

Download Submit
C:\Users\Admin\AppData\Local\Temp\zincite.log

Filesize
160B

MD5
e4d3df598e11c612a97f1542e871d0f9

SHA1
111236d63c3ec70f586670cf579b31c89a5794f4

SHA256
30db994f107756f0c70af840aae4f52469fbe1696fd81f78f3f70450f18e7ea7

SHA512
361381bbf9a31de79f1888d62f75477a309f43461e714627d9cf2b6ee479799ab60982353dbff2ba6a37f065517ebc1a5435feaaf0c0aefd118c715590c2052b

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/1372-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1372-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1372-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1372-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1372-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1372-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1372-5-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1372-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1372-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1372-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1372-50-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1372-52-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1372-57-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2896-56-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2896-13-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2896-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads