mydoom | 5a3678f4bb8b33beb4ad2dfec3f13851551c016591047be58ee3db00ca39de4b

General

Target

5a3678f4bb8b33beb4ad2dfec3f13851551c016591047be58ee3db00ca39de4bN.exe
Size

29KB
MD5

c2018a4b46a516cee67989857a0001d0
SHA1

b52d822e5475e40c6f1f08672803e5801bfb0fe4
SHA256

5a3678f4bb8b33beb4ad2dfec3f13851551c016591047be58ee3db00ca39de4b
SHA512

08d2de4ffba1169fb07157d157c622a52842c2fe51a6c10c3ff941f6702368427845a6f87340e552b552073de167c0670f4b994fd4999c06fb4c85010c8fcb55
SSDEEP

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

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 3 IoCs

resource	yara_rule
behavioral2/memory/2556-13-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/2556-51-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/2556-56-0x0000000000500000-0x0000000000510200-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
3144	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"	5a3678f4bb8b33beb4ad2dfec3f13851551c016591047be58ee3db00ca39de4bN.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2556-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/files/0x000b000000023b6d-4.dat	upx
behavioral2/memory/3144-6-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2556-13-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/3144-15-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3144-16-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3144-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3144-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3144-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3144-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3144-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3144-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3144-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3144-50-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2556-51-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/3144-52-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2556-56-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/3144-57-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/files/0x0004000000000709-67.dat	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	5a3678f4bb8b33beb4ad2dfec3f13851551c016591047be58ee3db00ca39de4bN.exe
File opened for modification	C:\Windows\java.exe	5a3678f4bb8b33beb4ad2dfec3f13851551c016591047be58ee3db00ca39de4bN.exe
File created	C:\Windows\java.exe	5a3678f4bb8b33beb4ad2dfec3f13851551c016591047be58ee3db00ca39de4bN.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	5a3678f4bb8b33beb4ad2dfec3f13851551c016591047be58ee3db00ca39de4bN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2556 wrote to memory of 3144	2556	5a3678f4bb8b33beb4ad2dfec3f13851551c016591047be58ee3db00ca39de4bN.exe	83
PID 2556 wrote to memory of 3144	2556	5a3678f4bb8b33beb4ad2dfec3f13851551c016591047be58ee3db00ca39de4bN.exe	83
PID 2556 wrote to memory of 3144	2556	5a3678f4bb8b33beb4ad2dfec3f13851551c016591047be58ee3db00ca39de4bN.exe	83

C:\Users\Admin\AppData\Local\Temp\5a3678f4bb8b33beb4ad2dfec3f13851551c016591047be58ee3db00ca39de4bN.exe
"C:\Users\Admin\AppData\Local\Temp\5a3678f4bb8b33beb4ad2dfec3f13851551c016591047be58ee3db00ca39de4bN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2556
- 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:3144

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\GRYMSCZU\search[3].htm

Filesize
25B

MD5
8ba61a16b71609a08bfa35bc213fce49

SHA1
8374dddcc6b2ede14b0ea00a5870a11b57ced33f

SHA256
6aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1

SHA512
5855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp47EE.tmp

Filesize
29KB

MD5
6b6e44778401137855b692e1922d96e4

SHA1
4558f29dbf4ace89b51d101f55405375fb6cfd9a

SHA256
8f5ee578994125250b3e56b791ee80998c13992b9cc6e207ff54b51f58d5e1bf

SHA512
3dd8a7d8c7b372c4dd9e800a1add53faad7046dec18739279d1963f1d9ca1c7a07bfdb0f5dae0968cc3015e7bab47a335d8734db8c42fad986d8224dcb6e39fe

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

Filesize
352B

MD5
765161a39d4076ee3f365a391a13fbb5

SHA1
bf3f8e3732a14e13aea811291295256b5635de60

SHA256
289f3b4534b035c065454534202cc1d00ea0549bb82c686cbc2eb48531740d60

SHA512
91abf7416127b7301b1d6a780316be01841460797109247119c205e76f3edb5f887a14a42b99085e1a7330ec9ff9b93eefc0cf772ea82992bea53dad7f5fe1e5

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

Filesize
367B

MD5
f954765e5214320630a97ed381adae4c

SHA1
782f44c9f8b30576ab36bf589b49b96c1a261f62

SHA256
9b78f5ffd112441190a8ae5b37e37a168f7f6e22f29cd462c998c6b2eedc2289

SHA512
8d3aabb4962f116e5c436a83a928a90526ea1ee22058c7f51e3a7887c3d567c891a9f7004d73d66b13defc3a859abd6c9f2a7f2c092910575297ddc44d911041

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/2556-51-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2556-13-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2556-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2556-56-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/3144-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3144-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3144-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3144-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3144-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3144-50-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3144-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3144-52-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3144-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3144-57-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3144-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3144-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3144-6-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads