mydoom | 39d5cc1d5722f19f5499be74db28500969a1fa1447fd01da0b38bca21935ecf5

General

Target

39d5cc1d5722f19f5499be74db28500969a1fa1447fd01da0b38bca21935ecf5.exe
Size

29KB
MD5

ddb6c2946e3a4ca3b3bdf67da76eb823
SHA1

c7d8cec1f30a11c1db49e1c4d228d6137d857bf2
SHA256

39d5cc1d5722f19f5499be74db28500969a1fa1447fd01da0b38bca21935ecf5
SHA512

9a4057a4551b0701c68ab7298f6950aa19ce93c5e23d7888f329f8d5def5969451eedd5a9a156556014c5fa9e80590311804a09ca02e2e71f688fdbba0d4a6b4
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/lht:AEwVs+0jNDY1qi/q9X

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 2 IoCs

resource	yara_rule
behavioral2/memory/1624-13-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/1624-56-0x0000000000500000-0x0000000000510200-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
2788	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"	39d5cc1d5722f19f5499be74db28500969a1fa1447fd01da0b38bca21935ecf5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

UPX packed file 17 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1624-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/files/0x0033000000023b73-4.dat	upx
behavioral2/memory/2788-5-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1624-13-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/2788-16-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2788-15-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2788-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2788-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2788-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2788-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2788-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2788-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2788-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2788-50-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2788-52-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1624-56-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/2788-57-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\java.exe	39d5cc1d5722f19f5499be74db28500969a1fa1447fd01da0b38bca21935ecf5.exe
File created	C:\Windows\services.exe	39d5cc1d5722f19f5499be74db28500969a1fa1447fd01da0b38bca21935ecf5.exe
File opened for modification	C:\Windows\java.exe	39d5cc1d5722f19f5499be74db28500969a1fa1447fd01da0b38bca21935ecf5.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	39d5cc1d5722f19f5499be74db28500969a1fa1447fd01da0b38bca21935ecf5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1624 wrote to memory of 2788	1624	39d5cc1d5722f19f5499be74db28500969a1fa1447fd01da0b38bca21935ecf5.exe	81
PID 1624 wrote to memory of 2788	1624	39d5cc1d5722f19f5499be74db28500969a1fa1447fd01da0b38bca21935ecf5.exe	81
PID 1624 wrote to memory of 2788	1624	39d5cc1d5722f19f5499be74db28500969a1fa1447fd01da0b38bca21935ecf5.exe	81

C:\Users\Admin\AppData\Local\Temp\39d5cc1d5722f19f5499be74db28500969a1fa1447fd01da0b38bca21935ecf5.exe
"C:\Users\Admin\AppData\Local\Temp\39d5cc1d5722f19f5499be74db28500969a1fa1447fd01da0b38bca21935ecf5.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1624
- 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:2788

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:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/1624-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1624-56-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1624-13-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2788-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2788-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2788-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2788-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2788-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2788-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2788-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2788-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2788-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2788-50-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2788-52-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2788-5-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2788-57-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads