mydoom | 55c7d9ba6a39af00915a90900accfc1b44dddd179408e6cae6664bda59751cbf

General

Target

55c7d9ba6a39af00915a90900accfc1b44dddd179408e6cae6664bda59751cbf.exe
Size

29KB
MD5

33cf203a3016d24b2e8435ece8994515
SHA1

c69db4953214464baa1b331b7b262e9aec6ad2d5
SHA256

55c7d9ba6a39af00915a90900accfc1b44dddd179408e6cae6664bda59751cbf
SHA512

18e40989034824e7253ced2703b0f9575a4aa9ccaf3f024c6c577a5d4909b24c4ae795fc6caa4bbd709850ef1c5c59e14f753972047bde1b6f140a8e2afc028c
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/r:AEwVs+0jNDY1qi/qT

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 4 IoCs

resource	yara_rule
behavioral2/memory/3000-13-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/3000-49-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/3000-51-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/3000-141-0x0000000000500000-0x0000000000510200-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
3316	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"	55c7d9ba6a39af00915a90900accfc1b44dddd179408e6cae6664bda59751cbf.exe

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3000-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/files/0x000c000000023b76-4.dat	upx
behavioral2/memory/3316-5-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3000-13-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/3316-15-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3316-16-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3316-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3316-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3316-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3316-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3316-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3316-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3316-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3000-49-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/3316-50-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3000-51-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/3316-52-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/files/0x0004000000000707-62.dat	upx
behavioral2/memory/3000-141-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/3316-145-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	55c7d9ba6a39af00915a90900accfc1b44dddd179408e6cae6664bda59751cbf.exe
File opened for modification	C:\Windows\java.exe	55c7d9ba6a39af00915a90900accfc1b44dddd179408e6cae6664bda59751cbf.exe
File created	C:\Windows\java.exe	55c7d9ba6a39af00915a90900accfc1b44dddd179408e6cae6664bda59751cbf.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	55c7d9ba6a39af00915a90900accfc1b44dddd179408e6cae6664bda59751cbf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3000 wrote to memory of 3316	3000	55c7d9ba6a39af00915a90900accfc1b44dddd179408e6cae6664bda59751cbf.exe	83
PID 3000 wrote to memory of 3316	3000	55c7d9ba6a39af00915a90900accfc1b44dddd179408e6cae6664bda59751cbf.exe	83
PID 3000 wrote to memory of 3316	3000	55c7d9ba6a39af00915a90900accfc1b44dddd179408e6cae6664bda59751cbf.exe	83

C:\Users\Admin\AppData\Local\Temp\55c7d9ba6a39af00915a90900accfc1b44dddd179408e6cae6664bda59751cbf.exe
"C:\Users\Admin\AppData\Local\Temp\55c7d9ba6a39af00915a90900accfc1b44dddd179408e6cae6664bda59751cbf.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3000
- 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:3316

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\2YUS9Q6F\search[2].htm

Filesize
25B

MD5
8ba61a16b71609a08bfa35bc213fce49

SHA1
8374dddcc6b2ede14b0ea00a5870a11b57ced33f

SHA256
6aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1

SHA512
5855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1B9E.tmp

Filesize
29KB

MD5
33cf203a3016d24b2e8435ece8994515

SHA1
c69db4953214464baa1b331b7b262e9aec6ad2d5

SHA256
55c7d9ba6a39af00915a90900accfc1b44dddd179408e6cae6664bda59751cbf

SHA512
18e40989034824e7253ced2703b0f9575a4aa9ccaf3f024c6c577a5d4909b24c4ae795fc6caa4bbd709850ef1c5c59e14f753972047bde1b6f140a8e2afc028c

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

Filesize
352B

MD5
aa6c183a0cf0c71c60157cd572d9569b

SHA1
997dd8857004ee995a69cbd10a5ae88ebb7970e6

SHA256
57d03bd29780b374ff7ce14fa793f62a112018257d4f91c76e81df4a3f967b49

SHA512
f37a1560829aec4659731a998b3d51114182d1f68f5121d03231d956411648b4fae76bd8fc7e810b59f8c91d2fb9b988021c09ee25da70da6169a07ac872b7fc

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

Filesize
352B

MD5
a80de9c4380814ec5adee648e8d195a1

SHA1
eb26b44e3158414f60460b913f57af9030a1b085

SHA256
7ac060a55276c8a708667d1c58019605d91aa39dc09120d1728084fc2a965d32

SHA512
b467268b2315b82e73a51e8606a795b24805b6703bb9b260e5a6b27b9c634ac44a42897150754becafc2e61ba425914e2183027a503ef85e68497c8df6dc900a

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/3000-49-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/3000-13-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/3000-141-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/3000-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/3000-51-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/3316-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3316-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3316-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3316-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3316-50-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3316-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3316-52-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3316-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3316-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3316-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3316-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3316-145-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3316-5-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads