mydoom | 66e435a07b9f91455bdb26bfa30217e9eb0764dfdbb4d1c58dd636b0e2c7f3a8

General

Target

66e435a07b9f91455bdb26bfa30217e9eb0764dfdbb4d1c58dd636b0e2c7f3a8N.exe
Size

29KB
MD5

df9c69c997c007f3baaf429a91122860
SHA1

687f74bfdf96432aa5d2116027e7dcae1fa1d705
SHA256

66e435a07b9f91455bdb26bfa30217e9eb0764dfdbb4d1c58dd636b0e2c7f3a8
SHA512

3b87f15d5512dde5c65d298d2f0b38e9389d3815310b1e6bf076757c5ce22c9301cf7d78cd3854411cb47db5b73980afe77647935b0bbfcb225d4607207483ab
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/BHm:AEwVs+0jNDY1qi/qJG

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 6 IoCs

resource	yara_rule
behavioral1/memory/2364-17-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2364-43-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2364-45-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2364-70-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2364-74-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2364-76-0x0000000000500000-0x0000000000510200-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
2556	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"	66e435a07b9f91455bdb26bfa30217e9eb0764dfdbb4d1c58dd636b0e2c7f3a8N.exe

UPX packed file 23 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2364-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/files/0x0008000000016115-6.dat	upx
behavioral1/memory/2556-11-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2364-17-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2556-20-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2364-18-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2556-22-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2556-27-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2556-32-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2556-34-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2556-39-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2364-43-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2556-44-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2364-45-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2556-46-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0005000000004ed7-59.dat	upx
behavioral1/memory/2364-70-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2556-71-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2364-74-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2556-75-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2364-76-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2556-77-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2556-82-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	66e435a07b9f91455bdb26bfa30217e9eb0764dfdbb4d1c58dd636b0e2c7f3a8N.exe
File opened for modification	C:\Windows\java.exe	66e435a07b9f91455bdb26bfa30217e9eb0764dfdbb4d1c58dd636b0e2c7f3a8N.exe
File created	C:\Windows\java.exe	66e435a07b9f91455bdb26bfa30217e9eb0764dfdbb4d1c58dd636b0e2c7f3a8N.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	66e435a07b9f91455bdb26bfa30217e9eb0764dfdbb4d1c58dd636b0e2c7f3a8N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2364 wrote to memory of 2556	2364	66e435a07b9f91455bdb26bfa30217e9eb0764dfdbb4d1c58dd636b0e2c7f3a8N.exe	30
PID 2364 wrote to memory of 2556	2364	66e435a07b9f91455bdb26bfa30217e9eb0764dfdbb4d1c58dd636b0e2c7f3a8N.exe	30
PID 2364 wrote to memory of 2556	2364	66e435a07b9f91455bdb26bfa30217e9eb0764dfdbb4d1c58dd636b0e2c7f3a8N.exe	30
PID 2364 wrote to memory of 2556	2364	66e435a07b9f91455bdb26bfa30217e9eb0764dfdbb4d1c58dd636b0e2c7f3a8N.exe	30

C:\Users\Admin\AppData\Local\Temp\66e435a07b9f91455bdb26bfa30217e9eb0764dfdbb4d1c58dd636b0e2c7f3a8N.exe
"C:\Users\Admin\AppData\Local\Temp\66e435a07b9f91455bdb26bfa30217e9eb0764dfdbb4d1c58dd636b0e2c7f3a8N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2364
- 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:2556

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\tmpACF4.tmp

Filesize
29KB

MD5
7cc94ef7293d2cde98ddda1a4f47c45d

SHA1
9a86c04f563ff9a9ad9266af8ca81b1d0b8265de

SHA256
fb04a7e912288f4eae363b143f7e428c446b5da589a27c96f4de824560d497e9

SHA512
c4c9fe3f80a432330b8283c17f6400b12153871a5d58a6d26e2c7ebeab01c98b8b621886269b93e895f0f877f94e9f91d70a5f52e0284bfb69e0550bcb0b1d4b

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

Filesize
384B

MD5
b0e8fb9caa894cef97afb089d76f3950

SHA1
a5f0b06b2d0da84abb1ded467230f8a85a07e1b7

SHA256
05d316445e70f85dcf646d7e5b6ab69f42cbe493fd344fa6c22ff8756306de51

SHA512
abb82f4bf33cc98f70c10332eea2b229e103a9aff8935d1124e96166d70ecf14e86307960d67589eb924c2d30bdcd0953ca739733ff0dc83e47eccd5ce2147a0

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/2364-17-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2364-9-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2364-43-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2364-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2364-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2364-18-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2364-74-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2364-70-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2364-10-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2364-76-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2364-45-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2556-20-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2556-44-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2556-39-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2556-46-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2556-34-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2556-32-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2556-27-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2556-71-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2556-22-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2556-75-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2556-11-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2556-77-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2556-82-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads