mydoom | 73894c0631df2fe7f5a53873cf3110c63e574ceb07da2e4419268e7aeb13efe9

General

Target

73894c0631df2fe7f5a53873cf3110c63e574ceb07da2e4419268e7aeb13efe9N.exe
Size

29KB
MD5

a1641b0264a16f8eeb32aea3d9a96e60
SHA1

d3fde8ebf007109d3a93ef4c73dc3d7035aeadf7
SHA256

73894c0631df2fe7f5a53873cf3110c63e574ceb07da2e4419268e7aeb13efe9
SHA512

7db5f94d4f8e07227f853f79e6b7bc0904eacc1ca006d0013eccf0f0989dd552197a398a3667ca963c5449c89533a067664a4e5fd7a225221ade0e1a7ce540ff
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/shP:AEwVs+0jNDY1qi/q05

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 2 IoCs

resource	yara_rule
behavioral2/memory/5100-13-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/5100-56-0x0000000000500000-0x0000000000510200-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
4024	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"	73894c0631df2fe7f5a53873cf3110c63e574ceb07da2e4419268e7aeb13efe9N.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
behavioral2/memory/5100-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/files/0x0007000000023c71-4.dat	upx
behavioral2/memory/4024-5-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/5100-13-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4024-15-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4024-16-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4024-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4024-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4024-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4024-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4024-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4024-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4024-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4024-50-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4024-52-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/5100-56-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4024-57-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/files/0x0004000000000703-67.dat	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	73894c0631df2fe7f5a53873cf3110c63e574ceb07da2e4419268e7aeb13efe9N.exe
File opened for modification	C:\Windows\java.exe	73894c0631df2fe7f5a53873cf3110c63e574ceb07da2e4419268e7aeb13efe9N.exe
File created	C:\Windows\java.exe	73894c0631df2fe7f5a53873cf3110c63e574ceb07da2e4419268e7aeb13efe9N.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	73894c0631df2fe7f5a53873cf3110c63e574ceb07da2e4419268e7aeb13efe9N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5100 wrote to memory of 4024	5100	73894c0631df2fe7f5a53873cf3110c63e574ceb07da2e4419268e7aeb13efe9N.exe	84
PID 5100 wrote to memory of 4024	5100	73894c0631df2fe7f5a53873cf3110c63e574ceb07da2e4419268e7aeb13efe9N.exe	84
PID 5100 wrote to memory of 4024	5100	73894c0631df2fe7f5a53873cf3110c63e574ceb07da2e4419268e7aeb13efe9N.exe	84

C:\Users\Admin\AppData\Local\Temp\73894c0631df2fe7f5a53873cf3110c63e574ceb07da2e4419268e7aeb13efe9N.exe
"C:\Users\Admin\AppData\Local\Temp\73894c0631df2fe7f5a53873cf3110c63e574ceb07da2e4419268e7aeb13efe9N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5100
- 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:4024

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\Microsoft\Windows\INetCache\IE\TRPPE7V2\search[1].htm

Filesize
25B

MD5
8ba61a16b71609a08bfa35bc213fce49

SHA1
8374dddcc6b2ede14b0ea00a5870a11b57ced33f

SHA256
6aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1

SHA512
5855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp4483.tmp

Filesize
29KB

MD5
90479415aab423cb8a7b27e964139282

SHA1
2b3a249ca5069fba0b4e36cccb216e3d14caecf4

SHA256
17c9e5e5986ec1959e256e07f19994fb25a8417b5770e43e4b72c76e589789fd

SHA512
760d96d772dfbbadb7fdb6daa9eba8dd2941000936311cbde211099c532c1a12ca83b66624dc97c32af111f129efddb65d0103cf6ae13df8b9a3fb267830d931

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

Filesize
320B

MD5
50b5b9a25ee9d4cc46bba4c09f8d3b01

SHA1
9721e133e803d5244fccfa2d229a48bad39ce612

SHA256
4a1ffaded19fd86c2a4743f92c7f15371bb2485dcf693a4477f670f93304a716

SHA512
3bf253956183a911ca7b196757cb0b95af8be4736e32311f454724c242ce6c40b75bae630d07b219213a1cb7e65f7f5eb40c9dade4dccd53147eaf4da4c30381

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/4024-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4024-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4024-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4024-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4024-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4024-5-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4024-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4024-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4024-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4024-50-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4024-52-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4024-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4024-57-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5100-56-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/5100-13-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/5100-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads