mydoom | 4757a9def44ecf5e6fc2564fc47bb70edf1baf781fdcbb7208dc13b007f632ab

General

Target

4757a9def44ecf5e6fc2564fc47bb70edf1baf781fdcbb7208dc13b007f632abN.exe
Size

29KB
MD5

d0c774169c2bfecd093a2507f86ba610
SHA1

1dd890147ee491aff6b54ab5191ebb9549d0a72c
SHA256

4757a9def44ecf5e6fc2564fc47bb70edf1baf781fdcbb7208dc13b007f632ab
SHA512

cc07020cb51381ce0fa89e5288bfa97bf28f79a92f039980a8cd6f099c03929f30e2949f9891be01a12649c8b254ab46de2cfd60dcb87aa87d2ec4cfc0ffc0c9
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/8:AEwVs+0jNDY1qi/q0

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 3 IoCs

resource	yara_rule
behavioral2/memory/4952-13-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4952-51-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4952-56-0x0000000000500000-0x0000000000510200-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
1468	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\Services = "C:\\Windows\\services.exe"	services.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe"	4757a9def44ecf5e6fc2564fc47bb70edf1baf781fdcbb7208dc13b007f632abN.exe

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4952-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/files/0x0008000000023c5f-5.dat	upx
behavioral2/memory/1468-7-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4952-13-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/1468-15-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1468-16-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1468-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1468-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1468-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1468-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1468-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1468-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1468-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1468-50-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4952-51-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/1468-52-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4952-56-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/1468-57-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/files/0x0003000000000707-62.dat	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	4757a9def44ecf5e6fc2564fc47bb70edf1baf781fdcbb7208dc13b007f632abN.exe
File opened for modification	C:\Windows\java.exe	4757a9def44ecf5e6fc2564fc47bb70edf1baf781fdcbb7208dc13b007f632abN.exe
File created	C:\Windows\java.exe	4757a9def44ecf5e6fc2564fc47bb70edf1baf781fdcbb7208dc13b007f632abN.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	4757a9def44ecf5e6fc2564fc47bb70edf1baf781fdcbb7208dc13b007f632abN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4952 wrote to memory of 1468	4952	4757a9def44ecf5e6fc2564fc47bb70edf1baf781fdcbb7208dc13b007f632abN.exe	82
PID 4952 wrote to memory of 1468	4952	4757a9def44ecf5e6fc2564fc47bb70edf1baf781fdcbb7208dc13b007f632abN.exe	82
PID 4952 wrote to memory of 1468	4952	4757a9def44ecf5e6fc2564fc47bb70edf1baf781fdcbb7208dc13b007f632abN.exe	82

C:\Users\Admin\AppData\Local\Temp\4757a9def44ecf5e6fc2564fc47bb70edf1baf781fdcbb7208dc13b007f632abN.exe
"C:\Users\Admin\AppData\Local\Temp\4757a9def44ecf5e6fc2564fc47bb70edf1baf781fdcbb7208dc13b007f632abN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4952
- 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:1468

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\84KCLP1T\search[1].htm

Filesize
25B

MD5
8ba61a16b71609a08bfa35bc213fce49

SHA1
8374dddcc6b2ede14b0ea00a5870a11b57ced33f

SHA256
6aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1

SHA512
5855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp6AD6.tmp

Filesize
29KB

MD5
c06ecefbe4a4050497804489db9d17fe

SHA1
e831615a102303853136c6cc8404dbd5d58843d0

SHA256
ace1624bc633262440dc68002c4ded4e0bd9ac56f874228b0083888b315551b2

SHA512
a86088755adcfd26356ffbabc8ae0c421acb0c58ad65ae211838eb24ede264f5f4ed18f42c2cbcf79c4899d355b77c0880794880b8b9e3a7df9e58d91507d919

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

Filesize
352B

MD5
84d770e77cd38409733264d23c899db9

SHA1
a93128e52b2afe0dff4409378efb17d5fa29f71e

SHA256
e99013e2bc64d568bd4d91cc5fdf73488cea29b9df69dbace786420e290a9956

SHA512
7e8e5718be9d0a671dd743d9152aea4b77cd21248a2b3c812e4eb957194cd0503cce5409e204e12d36753a5c707bc0e1d841a131fc78a7ea9d04af6a4ce65575

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/1468-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1468-57-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1468-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1468-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1468-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1468-7-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1468-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1468-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1468-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1468-50-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1468-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1468-52-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1468-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4952-56-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4952-51-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4952-13-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4952-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads