mydoom | c51c87b90aae3fdc7fb8f3940d1a922ba7cbf8a3d357eb143a09cc94e7ba23a4

General

Target

c51c87b90aae3fdc7fb8f3940d1a922ba7cbf8a3d357eb143a09cc94e7ba23a4N.exe
Size

29KB
MD5

bbdb7dc645b56598d3dc560aa5486970
SHA1

6b30d619dec9edf1189cb05b1afd0efd3d676a24
SHA256

c51c87b90aae3fdc7fb8f3940d1a922ba7cbf8a3d357eb143a09cc94e7ba23a4
SHA512

71e43b37cccbc614ed8ab9b162f33132affb2e686f8828cd9ea0e15be7f332090414a3917cc44771f3ffb52820a1b6edfa49874ad05e5aa600fd4a8dac7b2e4f
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Ohp:AEwVs+0jNDY1qi/qmT

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 2 IoCs

resource	yara_rule
behavioral2/memory/3712-13-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/3712-56-0x0000000000500000-0x0000000000510200-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
4628	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"	c51c87b90aae3fdc7fb8f3940d1a922ba7cbf8a3d357eb143a09cc94e7ba23a4N.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/3712-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/files/0x0008000000023cc2-4.dat	upx
behavioral2/memory/4628-6-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3712-13-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4628-15-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4628-16-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4628-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4628-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4628-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4628-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4628-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4628-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4628-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4628-50-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4628-52-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3712-56-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4628-57-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	c51c87b90aae3fdc7fb8f3940d1a922ba7cbf8a3d357eb143a09cc94e7ba23a4N.exe
File opened for modification	C:\Windows\java.exe	c51c87b90aae3fdc7fb8f3940d1a922ba7cbf8a3d357eb143a09cc94e7ba23a4N.exe
File created	C:\Windows\java.exe	c51c87b90aae3fdc7fb8f3940d1a922ba7cbf8a3d357eb143a09cc94e7ba23a4N.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	c51c87b90aae3fdc7fb8f3940d1a922ba7cbf8a3d357eb143a09cc94e7ba23a4N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3712 wrote to memory of 4628	3712	c51c87b90aae3fdc7fb8f3940d1a922ba7cbf8a3d357eb143a09cc94e7ba23a4N.exe	83
PID 3712 wrote to memory of 4628	3712	c51c87b90aae3fdc7fb8f3940d1a922ba7cbf8a3d357eb143a09cc94e7ba23a4N.exe	83
PID 3712 wrote to memory of 4628	3712	c51c87b90aae3fdc7fb8f3940d1a922ba7cbf8a3d357eb143a09cc94e7ba23a4N.exe	83

C:\Users\Admin\AppData\Local\Temp\c51c87b90aae3fdc7fb8f3940d1a922ba7cbf8a3d357eb143a09cc94e7ba23a4N.exe
"C:\Users\Admin\AppData\Local\Temp\c51c87b90aae3fdc7fb8f3940d1a922ba7cbf8a3d357eb143a09cc94e7ba23a4N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3712
- 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:4628

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/3712-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/3712-56-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/3712-13-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4628-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4628-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4628-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4628-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4628-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4628-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4628-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4628-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4628-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4628-50-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4628-52-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4628-6-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4628-57-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads