mydoom | 6fb00c4ab8dc94f0105527a0d9f5cc48a5f474544410fadb46054d93d6627ad3

General

Target

6fb00c4ab8dc94f0105527a0d9f5cc48a5f474544410fadb46054d93d6627ad3N.exe
Size

29KB
MD5

d32649b8d0ed4f7ecd2d252483d4f520
SHA1

cd44817096c77eef6d91af99e703e0543f6edcd4
SHA256

6fb00c4ab8dc94f0105527a0d9f5cc48a5f474544410fadb46054d93d6627ad3
SHA512

9a52e8cf67339781ee47d3617624cfd4370c6289f2c28e1bdf3da5aee65128c29b0fd2626d80ae60aa1bcae3923ca2e179b30b300e121c2e12ca9b439a7aeb5d
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/F:AEwVs+0jNDY1qi/qt

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 4 IoCs

resource	yara_rule
behavioral1/memory/2544-16-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2544-53-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2544-66-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2544-70-0x0000000000500000-0x0000000000510200-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
1996	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"	6fb00c4ab8dc94f0105527a0d9f5cc48a5f474544410fadb46054d93d6627ad3N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2544-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2544-4-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0008000000016d3e-7.dat	upx
behavioral1/memory/1996-10-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2544-16-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1996-19-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1996-20-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1996-25-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1996-30-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1996-32-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1996-37-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1996-42-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1996-44-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1996-49-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2544-53-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1996-54-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0009000000016cfc-59.dat	upx
behavioral1/memory/2544-66-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1996-67-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2544-70-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1996-71-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\java.exe	6fb00c4ab8dc94f0105527a0d9f5cc48a5f474544410fadb46054d93d6627ad3N.exe
File created	C:\Windows\services.exe	6fb00c4ab8dc94f0105527a0d9f5cc48a5f474544410fadb46054d93d6627ad3N.exe
File opened for modification	C:\Windows\java.exe	6fb00c4ab8dc94f0105527a0d9f5cc48a5f474544410fadb46054d93d6627ad3N.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	6fb00c4ab8dc94f0105527a0d9f5cc48a5f474544410fadb46054d93d6627ad3N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2544 wrote to memory of 1996	2544	6fb00c4ab8dc94f0105527a0d9f5cc48a5f474544410fadb46054d93d6627ad3N.exe	30
PID 2544 wrote to memory of 1996	2544	6fb00c4ab8dc94f0105527a0d9f5cc48a5f474544410fadb46054d93d6627ad3N.exe	30
PID 2544 wrote to memory of 1996	2544	6fb00c4ab8dc94f0105527a0d9f5cc48a5f474544410fadb46054d93d6627ad3N.exe	30
PID 2544 wrote to memory of 1996	2544	6fb00c4ab8dc94f0105527a0d9f5cc48a5f474544410fadb46054d93d6627ad3N.exe	30

C:\Users\Admin\AppData\Local\Temp\6fb00c4ab8dc94f0105527a0d9f5cc48a5f474544410fadb46054d93d6627ad3N.exe
"C:\Users\Admin\AppData\Local\Temp\6fb00c4ab8dc94f0105527a0d9f5cc48a5f474544410fadb46054d93d6627ad3N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2544
- 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:1996

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\blTauEkyb.log

Filesize
320B

MD5
90726cf766e1b2817fb2fbf73f4034f3

SHA1
658aebe5597a313d91cac238b5a0e26f275a2acf

SHA256
771306f231fdd135e75271723b3e8ebe4bd12519497171ec90636ca2893bfacb

SHA512
af7a45d5ad306dd42df236e71674d2c9e636840c26b70962a7675d7c2fe07b97875ed1c69ce7d4829b051fa5665e3d1c6c2829a1e48c3f0b3cf0ebcff1c02360

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp4CD9.tmp

Filesize
29KB

MD5
d4cb2d6f9408aaccf6cfbc9cb86b6296

SHA1
a3273ddeba9497fd1dd1ee02e91fab2304ffd96e

SHA256
e5c2d75ebbadaa3fa6ed4c0636d06b83f6d8b533385caf6f1978eb4cb86a81a5

SHA512
f2c8cef9e91e8fda4b593cc35dd73b4dd4c36fb4b1b409f1091b86fae20349a48a9081513b7293ecb122fe9eaef1c974cfcc6865abb27014281fa49c7cd40793

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

Filesize
352B

MD5
934142bcf9ebd549d194f27edf33b26a

SHA1
f04af4d0132fec25e6e1a4316838a8ca2fcfc99e

SHA256
1522f328ee4f8cfac1dc2dff9ba1a9703624f54f00bfa5a1a28a21d4094223ed

SHA512
86558a78ea7db674efee9333a1a31366297b95e7c4551fae2d72f538fde8246a7c88a996b46f03e81c4176b960183e371215c41a8072649fa2e809d2baa41c82

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/1996-54-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1996-44-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1996-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1996-20-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1996-25-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1996-30-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1996-32-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1996-37-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1996-42-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1996-71-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1996-67-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1996-49-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1996-10-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2544-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2544-53-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2544-4-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2544-66-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2544-16-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2544-70-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2544-17-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads