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 2 IoCs

resource	yara_rule
behavioral1/memory/1668-17-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/1668-57-0x0000000000500000-0x0000000000510200-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
396	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
behavioral1/memory/1668-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/files/0x000700000001921d-6.dat	upx
behavioral1/memory/396-11-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1668-17-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1668-18-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/396-20-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/396-22-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/396-27-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/396-32-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/396-34-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/396-39-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/396-44-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/396-46-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/396-51-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/396-56-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/396-58-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1668-57-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/396-63-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0005000000004ed7-76.dat	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 4 IoCs

description	pid	Process	procid_target
PID 1668 wrote to memory of 396	1668	31a439db5449eb00ac458953cb3d4fa29cb9cd45b88fce70d8ee2c78e9339d18N.exe	31
PID 1668 wrote to memory of 396	1668	31a439db5449eb00ac458953cb3d4fa29cb9cd45b88fce70d8ee2c78e9339d18N.exe	31
PID 1668 wrote to memory of 396	1668	31a439db5449eb00ac458953cb3d4fa29cb9cd45b88fce70d8ee2c78e9339d18N.exe	31
PID 1668 wrote to memory of 396	1668	31a439db5449eb00ac458953cb3d4fa29cb9cd45b88fce70d8ee2c78e9339d18N.exe	31

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:1668
- 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:396

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\Temp\tmpA75A.tmp

Filesize
29KB

MD5
ae572a83cccfbd1fc0990a7a8069f056

SHA1
81893a30069d3d9459c0e9aa2e86896e438ab61a

SHA256
a0315dcbd6f4694d2ef4e1ebe814aa7da6b7c4d6052912aee2e4acb33f36c3d3

SHA512
026886994d8c6fa3ea4d0a1a23e1d6f17b2d78eaf371b9427b2dcf2ce29c37333060b513503ae2903dc1942f158297be5d6b254e09bc8f2e7f7861c9909b5b8e

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

Filesize
352B

MD5
6f427a03f474aff127ac3c83cdbcb66c

SHA1
2b465c1ac32f8b39e539b04bcdffea434d318625

SHA256
00d38e7337854f5b3468303d12117a49f119558489c5cad9b0d4ceeb70681a1e

SHA512
bcfe74fae26993d6c8e3ded27f4fd85c4ee3e76afa3f7458ef3a713e0049540d4166f0a8fee71cec68f821bd08d060ef1b50ef6485abb80f4e5dc472d36add77

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/396-56-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/396-51-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/396-11-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/396-63-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/396-20-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/396-58-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/396-22-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/396-27-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/396-32-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/396-34-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/396-39-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/396-44-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/396-46-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1668-9-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1668-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1668-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1668-57-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1668-18-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1668-10-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1668-17-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads