mydoom | 726a9f360bc6f168e63e9c74c739a44ecc8cdb3f8c6d00c71b10bb1ae7a8fc6a

General

Target

726a9f360bc6f168e63e9c74c739a44ecc8cdb3f8c6d00c71b10bb1ae7a8fc6a.exe
Size

29KB
MD5

2801ace62ec2ab2e8d59abfc352396cf
SHA1

9da65c0eb2ec817f1cdde1e3a616fb16936d6f9c
SHA256

726a9f360bc6f168e63e9c74c739a44ecc8cdb3f8c6d00c71b10bb1ae7a8fc6a
SHA512

1c3460530cd4062f2c84474ce414eb7c376a72ca71bb55ef44b141463ea50a72e38da72c37cf26797a765eaf1d1b0541da72a1d3e1d1b32afe5695694747607f
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/mu6:AEwVs+0jNDY1qi/qk

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 4 IoCs

resource	yara_rule
behavioral1/memory/1680-17-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/1680-55-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/1680-57-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/1680-81-0x0000000000500000-0x0000000000510200-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
2404	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"	726a9f360bc6f168e63e9c74c739a44ecc8cdb3f8c6d00c71b10bb1ae7a8fc6a.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
behavioral1/memory/1680-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/files/0x0008000000015d41-6.dat	upx
behavioral1/memory/2404-11-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1680-17-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2404-20-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2404-22-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2404-27-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2404-32-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2404-34-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2404-39-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2404-44-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2404-46-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2404-51-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2404-56-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1680-55-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1680-57-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2404-58-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0009000000015f71-71.dat	upx
behavioral1/memory/1680-81-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2404-82-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	726a9f360bc6f168e63e9c74c739a44ecc8cdb3f8c6d00c71b10bb1ae7a8fc6a.exe
File opened for modification	C:\Windows\java.exe	726a9f360bc6f168e63e9c74c739a44ecc8cdb3f8c6d00c71b10bb1ae7a8fc6a.exe
File created	C:\Windows\java.exe	726a9f360bc6f168e63e9c74c739a44ecc8cdb3f8c6d00c71b10bb1ae7a8fc6a.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	726a9f360bc6f168e63e9c74c739a44ecc8cdb3f8c6d00c71b10bb1ae7a8fc6a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1680 wrote to memory of 2404	1680	726a9f360bc6f168e63e9c74c739a44ecc8cdb3f8c6d00c71b10bb1ae7a8fc6a.exe	30
PID 1680 wrote to memory of 2404	1680	726a9f360bc6f168e63e9c74c739a44ecc8cdb3f8c6d00c71b10bb1ae7a8fc6a.exe	30
PID 1680 wrote to memory of 2404	1680	726a9f360bc6f168e63e9c74c739a44ecc8cdb3f8c6d00c71b10bb1ae7a8fc6a.exe	30
PID 1680 wrote to memory of 2404	1680	726a9f360bc6f168e63e9c74c739a44ecc8cdb3f8c6d00c71b10bb1ae7a8fc6a.exe	30

C:\Users\Admin\AppData\Local\Temp\726a9f360bc6f168e63e9c74c739a44ecc8cdb3f8c6d00c71b10bb1ae7a8fc6a.exe
"C:\Users\Admin\AppData\Local\Temp\726a9f360bc6f168e63e9c74c739a44ecc8cdb3f8c6d00c71b10bb1ae7a8fc6a.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1680
- 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:2404

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\tmp4A5C.tmp

Filesize
29KB

MD5
051f0faeee12da4da25e971ca6d27bcd

SHA1
412ae76e3a38c6c1623e95ed0f9f2a72184f9976

SHA256
70029dfc4485812635db8ce598fba06d6e2776eee91d5dff8cc1a44c371a1647

SHA512
305b3b490422f5df265ab4652c6ccbcc1cf83ce5a6fbfd60b67f465d3ee44076d5a0696e97fc01ab059a2cb3b82ba684bc9744a560671029a3130881519cf83d

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

Filesize
352B

MD5
d64d188c426f1c0708dbd74e1084806d

SHA1
9378be57e08962d7492aeed458cc4e01e75240b1

SHA256
e612a73e88075852a7b41858a8c9f969d0482b58eb82d9cba5d777a00586a1d4

SHA512
63a62c009b08dad966854cb2832f0e985d91d4c533d3794bd775cfb7e7143443053dd5ba68d94de9e01c4c90be1e811a2fab604e86534ef515cb6790cc29e898

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/1680-17-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1680-9-0x00000000001B0000-0x00000000001B8000-memory.dmp

Filesize
32KB

Download
memory/1680-55-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1680-18-0x00000000001B0000-0x00000000001B8000-memory.dmp

Filesize
32KB

Download
memory/1680-10-0x00000000001B0000-0x00000000001B8000-memory.dmp

Filesize
32KB

Download
memory/1680-19-0x00000000001B0000-0x00000000001B8000-memory.dmp

Filesize
32KB

Download
memory/1680-81-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1680-57-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1680-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2404-32-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2404-39-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2404-44-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2404-46-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2404-51-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2404-56-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2404-34-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2404-27-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2404-58-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2404-22-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2404-20-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2404-11-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2404-82-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads