mydoom | 31a439db5449eb00ac458953cb3d4fa29cb9cd45b88fce70d8ee2c78e9339d18

General

Target

31a439db5449eb00ac458953cb3d4fa29cb9cd45b88fce70d8ee2c78e9339d18N.exe
Size

29KB
MD5

c4593bcf296a1d84f98cbef77f425ad0
SHA1

8b4db89314c3bb1560d66de00aa3bcc845efff25
SHA256

31a439db5449eb00ac458953cb3d4fa29cb9cd45b88fce70d8ee2c78e9339d18
SHA512

8b706998ec7106ae900d8909976878fe74cf7f502b7543fddaf8e47338704bc1a11fc6834028c772bf028f4b19c08295a6ca077db4240c6c5c5e4037a2c74416
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Li:AEwVs+0jNDY1qi/qG

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 3 IoCs

resource	yara_rule
behavioral2/memory/3868-13-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/3868-51-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/3868-120-0x0000000000500000-0x0000000000510200-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
5040	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"	31a439db5449eb00ac458953cb3d4fa29cb9cd45b88fce70d8ee2c78e9339d18N.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/3868-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/files/0x000a000000023b69-4.dat	upx
behavioral2/memory/5040-5-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3868-13-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/5040-15-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/5040-16-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/5040-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/5040-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/5040-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/5040-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/5040-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/5040-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/5040-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/5040-50-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3868-51-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/5040-52-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/files/0x0004000000000705-65.dat	upx
behavioral2/memory/3868-120-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/5040-131-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	31a439db5449eb00ac458953cb3d4fa29cb9cd45b88fce70d8ee2c78e9339d18N.exe
File opened for modification	C:\Windows\java.exe	31a439db5449eb00ac458953cb3d4fa29cb9cd45b88fce70d8ee2c78e9339d18N.exe
File created	C:\Windows\java.exe	31a439db5449eb00ac458953cb3d4fa29cb9cd45b88fce70d8ee2c78e9339d18N.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	31a439db5449eb00ac458953cb3d4fa29cb9cd45b88fce70d8ee2c78e9339d18N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3868 wrote to memory of 5040	3868	31a439db5449eb00ac458953cb3d4fa29cb9cd45b88fce70d8ee2c78e9339d18N.exe	82
PID 3868 wrote to memory of 5040	3868	31a439db5449eb00ac458953cb3d4fa29cb9cd45b88fce70d8ee2c78e9339d18N.exe	82
PID 3868 wrote to memory of 5040	3868	31a439db5449eb00ac458953cb3d4fa29cb9cd45b88fce70d8ee2c78e9339d18N.exe	82

C:\Users\Admin\AppData\Local\Temp\31a439db5449eb00ac458953cb3d4fa29cb9cd45b88fce70d8ee2c78e9339d18N.exe
"C:\Users\Admin\AppData\Local\Temp\31a439db5449eb00ac458953cb3d4fa29cb9cd45b88fce70d8ee2c78e9339d18N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3868
- 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:5040

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\HA5FC889\search[2].htm

Filesize
25B

MD5
8ba61a16b71609a08bfa35bc213fce49

SHA1
8374dddcc6b2ede14b0ea00a5870a11b57ced33f

SHA256
6aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1

SHA512
5855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1B7F.tmp

Filesize
29KB

MD5
8ad9faf14a6c0c02c48346f57c46b69f

SHA1
333dcf2c05e72b3b8d116ebc064c86066f034e04

SHA256
45eae15162e8068deb3605201eebe259f29a3b266f537a56f1b4437edc8dc26a

SHA512
ccc1f9c50913b191cea0ce67ee7d9ef1dd7af42e1ba0d69fe4635344110b8954f3a886666d2f534f657827a63cd1edb6c19e54864899eb92ac901218da3a325c

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

Filesize
352B

MD5
032bf35b8e3390fa26a5867d060eecf3

SHA1
1d5e76c5c3dc96b4838f63d17e7e6f4c741e11a7

SHA256
8432a5af6751c1fedc49c5d1ca59b9bf4b7dbc3b79b70a2f75ef07eb3fc6d320

SHA512
2f9ae8a6a4b51e4f6d027f8295f0701f3e2775dca4b327f11514b54bbc2c96c69bca7c7348e64f02415334b758297685606a2c1b1dfb65afdf241d523ce28882

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/3868-51-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/3868-13-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/3868-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/3868-120-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/5040-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5040-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5040-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5040-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5040-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5040-50-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5040-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5040-52-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5040-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5040-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5040-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5040-131-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5040-5-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads