mydoom | cd33909b5b27cdc5d23de3b8510ead1ff2f880c0ab617aa820e2e200e1a3bce6

General

Target

cd33909b5b27cdc5d23de3b8510ead1ff2f880c0ab617aa820e2e200e1a3bce6N.exe
Size

29KB
MD5

175e4731a3b4b2640e4fd2030268c990
SHA1

8f8a2d12ea665f891b7e74351f3bbb2dc0f3b89e
SHA256

cd33909b5b27cdc5d23de3b8510ead1ff2f880c0ab617aa820e2e200e1a3bce6
SHA512

3c1c5dca73d704b2a1dffbf4abe4fba12735e3a0a78e05f6b8df7311f9fde8a59410b08e942ef8b23e7aef4c9804f5361d9b4cf6eefad08d7c467eae588c95f6
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/c:AEwVs+0jNDY1qi/qE

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 4 IoCs

resource	yara_rule
behavioral1/memory/2380-2-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2380-16-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2380-17-0x0000000000400000-0x0000000000408000-memory.dmp	family_mydoom
behavioral1/memory/2380-60-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom

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

Executes dropped EXE 1 IoCs

pid	Process
1656	services.exe

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"	cd33909b5b27cdc5d23de3b8510ead1ff2f880c0ab617aa820e2e200e1a3bce6N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

UPX packed file 18 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2380-2-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2380-4-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0008000000015cd0-7.dat	upx
behavioral1/memory/2380-16-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2380-17-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1656-19-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1656-20-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1656-25-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1656-30-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1656-32-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1656-37-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1656-42-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1656-44-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1656-49-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1656-54-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1656-56-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2380-60-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1656-61-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	cd33909b5b27cdc5d23de3b8510ead1ff2f880c0ab617aa820e2e200e1a3bce6N.exe
File opened for modification	C:\Windows\java.exe	cd33909b5b27cdc5d23de3b8510ead1ff2f880c0ab617aa820e2e200e1a3bce6N.exe
File created	C:\Windows\java.exe	cd33909b5b27cdc5d23de3b8510ead1ff2f880c0ab617aa820e2e200e1a3bce6N.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	cd33909b5b27cdc5d23de3b8510ead1ff2f880c0ab617aa820e2e200e1a3bce6N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 1656	2380	cd33909b5b27cdc5d23de3b8510ead1ff2f880c0ab617aa820e2e200e1a3bce6N.exe	30
PID 2380 wrote to memory of 1656	2380	cd33909b5b27cdc5d23de3b8510ead1ff2f880c0ab617aa820e2e200e1a3bce6N.exe	30
PID 2380 wrote to memory of 1656	2380	cd33909b5b27cdc5d23de3b8510ead1ff2f880c0ab617aa820e2e200e1a3bce6N.exe	30
PID 2380 wrote to memory of 1656	2380	cd33909b5b27cdc5d23de3b8510ead1ff2f880c0ab617aa820e2e200e1a3bce6N.exe	30

C:\Users\Admin\AppData\Local\Temp\cd33909b5b27cdc5d23de3b8510ead1ff2f880c0ab617aa820e2e200e1a3bce6N.exe
"C:\Users\Admin\AppData\Local\Temp\cd33909b5b27cdc5d23de3b8510ead1ff2f880c0ab617aa820e2e200e1a3bce6N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2380
- 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:1656

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\znxfmzm.log

Filesize
320B

MD5
68cf859d23a2db932eec0d17840b8005

SHA1
cbd0ea509a9ed98815a2701bef6f00e9c492ef61

SHA256
e172e9bea586303ede3dc5d948c09e12285083de56b6cb2c854806c55dc2e27b

SHA512
1557f73a901b298882f22dc43b472d0519b2c66a79fb7ce43b01f5dbdab976666de0fc92bdad3e438d7f0e6046963e7bfc61686912bdf3e1a3330ab2a1bccaf1

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/1656-30-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1656-37-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1656-61-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1656-56-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1656-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1656-20-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1656-25-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1656-54-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1656-32-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1656-49-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1656-42-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1656-44-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2380-4-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2380-9-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2380-2-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2380-17-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2380-60-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2380-16-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads