mydoom | 5f54d9652a883095d1327f9167ed51cd5ffaa088aa372af1b21c1ed7358702d1

General

Target

5f54d9652a883095d1327f9167ed51cd5ffaa088aa372af1b21c1ed7358702d1N.exe
Size

29KB
MD5

112c3ce9a7257eb1f2883a912d895850
SHA1

617d4f4bb7590dfacc521511a399fe27b3141d98
SHA256

5f54d9652a883095d1327f9167ed51cd5ffaa088aa372af1b21c1ed7358702d1
SHA512

0954dd83b925c2418206d0607876ecea303d991d25480beeca1628255f1f008929c2fcef415527daf041b8db934bf54b0542f9ad2173b81a60555a58510a7f31
SSDEEP

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

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 2 IoCs

resource	yara_rule
behavioral1/memory/2712-16-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2712-60-0x0000000000500000-0x0000000000510200-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
2820	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"	5f54d9652a883095d1327f9167ed51cd5ffaa088aa372af1b21c1ed7358702d1N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

UPX packed file 18 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2712-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2712-4-0x0000000000220000-0x0000000000228000-memory.dmp	upx
behavioral1/files/0x0008000000016d27-7.dat	upx
behavioral1/memory/2820-10-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2712-16-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2820-19-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2820-20-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2820-25-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2820-30-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2820-32-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2820-37-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2820-42-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2820-44-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2820-49-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2820-54-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2820-56-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2712-60-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2820-61-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	5f54d9652a883095d1327f9167ed51cd5ffaa088aa372af1b21c1ed7358702d1N.exe
File opened for modification	C:\Windows\java.exe	5f54d9652a883095d1327f9167ed51cd5ffaa088aa372af1b21c1ed7358702d1N.exe
File created	C:\Windows\java.exe	5f54d9652a883095d1327f9167ed51cd5ffaa088aa372af1b21c1ed7358702d1N.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	5f54d9652a883095d1327f9167ed51cd5ffaa088aa372af1b21c1ed7358702d1N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2712 wrote to memory of 2820	2712	5f54d9652a883095d1327f9167ed51cd5ffaa088aa372af1b21c1ed7358702d1N.exe	30
PID 2712 wrote to memory of 2820	2712	5f54d9652a883095d1327f9167ed51cd5ffaa088aa372af1b21c1ed7358702d1N.exe	30
PID 2712 wrote to memory of 2820	2712	5f54d9652a883095d1327f9167ed51cd5ffaa088aa372af1b21c1ed7358702d1N.exe	30
PID 2712 wrote to memory of 2820	2712	5f54d9652a883095d1327f9167ed51cd5ffaa088aa372af1b21c1ed7358702d1N.exe	30

C:\Users\Admin\AppData\Local\Temp\5f54d9652a883095d1327f9167ed51cd5ffaa088aa372af1b21c1ed7358702d1N.exe
"C:\Users\Admin\AppData\Local\Temp\5f54d9652a883095d1327f9167ed51cd5ffaa088aa372af1b21c1ed7358702d1N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2712
- 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:2820

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\valyETpypq.log

Filesize
320B

MD5
9ecb2557c7fb1910ca19823ae941e53d

SHA1
4b27e5167a6e81f12764abc4167aac0b0d0e1d17

SHA256
3d2cba666a6ee454b8aff955b6cf2ce6a3ebd09951011b66d9592556774527b0

SHA512
f2e349555f8df266606702ec37aa5d8f16d7d45bc176b4a1b217d4c3f7c0f384621b0d63ca5787710974933d49b2503a7c84efcd3d61d6f670064baf00146a32

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/2712-16-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2712-4-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/2712-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2712-17-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/2712-60-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2820-37-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2820-25-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2820-30-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2820-32-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2820-10-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2820-42-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2820-44-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2820-20-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2820-49-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2820-54-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2820-56-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2820-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2820-61-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads