mydoom | 7a265d4a796e9aa9661f912395ebb3729bad5e46a287e54922fa5c8b4892d04d

General

Target

7a265d4a796e9aa9661f912395ebb3729bad5e46a287e54922fa5c8b4892d04dN.exe
Size

29KB
MD5

3a6060e3a86fa2483c7c451d1d877430
SHA1

8103fc7fcfd11671970dd048fd6b48d94149ad1f
SHA256

7a265d4a796e9aa9661f912395ebb3729bad5e46a287e54922fa5c8b4892d04d
SHA512

4e933765640ed8191a3895ade2b62babf77f20e2e9315cf456cad1c5e939c1c251d2b35fa3085a802a9adbdaaf15b9ae0007bcc73fbeb95b16acb8ddcbc51706
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Nh+:AEwVs+0jNDY1qi/qVQ

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 2 IoCs

resource	yara_rule
behavioral2/memory/3940-13-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/3940-56-0x0000000000500000-0x0000000000510200-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
4024	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"	7a265d4a796e9aa9661f912395ebb3729bad5e46a287e54922fa5c8b4892d04dN.exe

UPX packed file 18 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3940-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/files/0x000b000000023b7a-7.dat	upx
behavioral2/memory/4024-6-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3940-13-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4024-15-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4024-16-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4024-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4024-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4024-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4024-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4024-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4024-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4024-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4024-50-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4024-52-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3940-56-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4024-57-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/files/0x0004000000000705-67.dat	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	7a265d4a796e9aa9661f912395ebb3729bad5e46a287e54922fa5c8b4892d04dN.exe
File opened for modification	C:\Windows\java.exe	7a265d4a796e9aa9661f912395ebb3729bad5e46a287e54922fa5c8b4892d04dN.exe
File created	C:\Windows\java.exe	7a265d4a796e9aa9661f912395ebb3729bad5e46a287e54922fa5c8b4892d04dN.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	7a265d4a796e9aa9661f912395ebb3729bad5e46a287e54922fa5c8b4892d04dN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3940 wrote to memory of 4024	3940	7a265d4a796e9aa9661f912395ebb3729bad5e46a287e54922fa5c8b4892d04dN.exe	84
PID 3940 wrote to memory of 4024	3940	7a265d4a796e9aa9661f912395ebb3729bad5e46a287e54922fa5c8b4892d04dN.exe	84
PID 3940 wrote to memory of 4024	3940	7a265d4a796e9aa9661f912395ebb3729bad5e46a287e54922fa5c8b4892d04dN.exe	84

C:\Users\Admin\AppData\Local\Temp\7a265d4a796e9aa9661f912395ebb3729bad5e46a287e54922fa5c8b4892d04dN.exe
"C:\Users\Admin\AppData\Local\Temp\7a265d4a796e9aa9661f912395ebb3729bad5e46a287e54922fa5c8b4892d04dN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3940
- 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:4024

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\Temp\tmp6411.tmp

Filesize
29KB

MD5
9b39956b1cad8d1c2811aabeb75b6c87

SHA1
232e0dac5ba1afbb8968b345331c9eb7efddb9c3

SHA256
42abd8031ea5a3c386cd9a3df4d3eb0c9750ced0241919a75e695bf99a9628ed

SHA512
b44d91561c3cef86f6a97f3591a9756d0d26412748f395891ef926f9b6e638e0fa7f3ca759b20ca182472366513df1f73e92292908d2edb81f31d7889bb5adad

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

Filesize
320B

MD5
33a283ccc3667485ca9d6c5c790eacf4

SHA1
450de214ee0dcc9e3872d7e2a1ebd2117019d40b

SHA256
9e1bbf391806874d0fef13c62a1d22c541981230fdfb889bcd4c920ec0ca8918

SHA512
93a71c7ea495e866c698a342f7bd1464c9933d8bd76c081957bdb03ab92b69b4d83636901b6363fe994784e39ac7b70709e9e803cf538a1cbd26a091af9a4ae9

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/3940-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/3940-13-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/3940-56-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4024-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4024-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4024-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4024-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4024-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4024-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4024-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4024-50-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4024-52-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4024-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4024-57-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4024-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4024-6-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads