mydoom | 7ff4cf9bc49fd99b7fec3a821f6bb1ae4d3041f4926b6a2eda993eaffb9b8c5a

General

Target

7ff4cf9bc49fd99b7fec3a821f6bb1ae4d3041f4926b6a2eda993eaffb9b8c5aN.exe
Size

29KB
MD5

c92e15a997e54ed506a9e5b6c0afa7d0
SHA1

89a06e9e87d66e865acca3a68eef8402a5dcf540
SHA256

7ff4cf9bc49fd99b7fec3a821f6bb1ae4d3041f4926b6a2eda993eaffb9b8c5a
SHA512

db910018b47aa83844af45ec0093e9703c1943c74d9f5c49ea727a1b69d63d82760d1e544ab12eafdd592d789d635b3d3370f340db8f32cb02ea644a7293a83a
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/g:AEwVs+0jNDY1qi/q4

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 4 IoCs

resource	yara_rule
behavioral2/memory/2268-13-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/2268-49-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/2268-128-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/2268-165-0x0000000000500000-0x0000000000510200-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
4824	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"	7ff4cf9bc49fd99b7fec3a821f6bb1ae4d3041f4926b6a2eda993eaffb9b8c5aN.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2268-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/files/0x0007000000023ca1-4.dat	upx
behavioral2/memory/4824-5-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2268-13-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4824-15-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4824-16-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4824-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4824-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4824-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4824-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4824-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4824-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4824-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2268-49-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4824-50-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/files/0x0004000000000705-60.dat	upx
behavioral2/memory/2268-128-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4824-129-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2268-165-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4824-166-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	7ff4cf9bc49fd99b7fec3a821f6bb1ae4d3041f4926b6a2eda993eaffb9b8c5aN.exe
File opened for modification	C:\Windows\java.exe	7ff4cf9bc49fd99b7fec3a821f6bb1ae4d3041f4926b6a2eda993eaffb9b8c5aN.exe
File created	C:\Windows\java.exe	7ff4cf9bc49fd99b7fec3a821f6bb1ae4d3041f4926b6a2eda993eaffb9b8c5aN.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	7ff4cf9bc49fd99b7fec3a821f6bb1ae4d3041f4926b6a2eda993eaffb9b8c5aN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2268 wrote to memory of 4824	2268	7ff4cf9bc49fd99b7fec3a821f6bb1ae4d3041f4926b6a2eda993eaffb9b8c5aN.exe	83
PID 2268 wrote to memory of 4824	2268	7ff4cf9bc49fd99b7fec3a821f6bb1ae4d3041f4926b6a2eda993eaffb9b8c5aN.exe	83
PID 2268 wrote to memory of 4824	2268	7ff4cf9bc49fd99b7fec3a821f6bb1ae4d3041f4926b6a2eda993eaffb9b8c5aN.exe	83

C:\Users\Admin\AppData\Local\Temp\7ff4cf9bc49fd99b7fec3a821f6bb1ae4d3041f4926b6a2eda993eaffb9b8c5aN.exe
"C:\Users\Admin\AppData\Local\Temp\7ff4cf9bc49fd99b7fec3a821f6bb1ae4d3041f4926b6a2eda993eaffb9b8c5aN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2268
- 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:4824

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\XH3Z2ZON\search[1].htm

Filesize
25B

MD5
8ba61a16b71609a08bfa35bc213fce49

SHA1
8374dddcc6b2ede14b0ea00a5870a11b57ced33f

SHA256
6aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1

SHA512
5855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp13BF.tmp

Filesize
29KB

MD5
799f6dac91be0a2486418f076e36a11d

SHA1
2f7aaf26c1369d4ce3b9ff1b69dd1649eb2d82bd

SHA256
c29e47de2a3b61265d35ad3be04bdd51d9dd8b142f6f140b0a0ef7c2e2107dd1

SHA512
b7ad0da6b2ea885dd31b010c5a438c0468adb2df2f3392d4771e639ac5823fb5c973d618b6539323c6b38bbf0c754c68d661bea695debc79a7464c5de144e29d

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

Filesize
288B

MD5
0018cbb0893b65767ff58601a9f4c2e5

SHA1
7d4390657c6c7680114acfb6b389c8f8bd2b0aa6

SHA256
6885a3be75c9096013286ff1f0e2dff75aadb439dbbabf900f220a02a1cd128e

SHA512
bc594c781527d90c9a82d0f69fe2da37692241252f6ac8181ab1b8334426aa338ec89fc3b63d17dae6ae9d13df9cdc2b140b075793d4f2346842c21c38444035

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

Filesize
288B

MD5
4dfe5a468054206099e422f5d8194249

SHA1
3bf3ab56d14f4c54d2577c032ea05fa6489c6c2f

SHA256
50cda8aa9b1789785f968f8c9913ab603b72b1fc1b3a491587f15bb89bc7e7c5

SHA512
3a00310de854721e9da900513845b3b21d8917e48c82ce60a4b88324cd90da9ea276dafd2eb2fb8e3e2fb08fe6b8887a74d1f3a2ba8cee5ffb100297c171eda5

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/2268-49-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2268-165-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2268-13-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2268-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2268-128-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4824-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4824-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4824-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4824-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4824-50-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4824-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4824-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4824-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4824-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4824-129-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4824-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4824-5-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4824-166-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads