mydoom | 20384e3ba74627a0c5b9004953bad638d12848cfb0be2a322167f2c10c00ab65

General

Target

20384e3ba74627a0c5b9004953bad638d12848cfb0be2a322167f2c10c00ab65N.exe
Size

29KB
MD5

24ed2d30617de3c30ef03eb324466220
SHA1

679385ad0b7bef476a8dd6d046d807bc5cf96230
SHA256

20384e3ba74627a0c5b9004953bad638d12848cfb0be2a322167f2c10c00ab65
SHA512

f9ad28d503e79c1b5d5f010599038f4b803a4e1377f662d379594423840f02e637a599ac2e02ff1c739ed21b6a0fe8fa848874a47679200a935ce24e9b60e1ee
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Lp:AEwVs+0jNDY1qi/q1

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 2 IoCs

resource	yara_rule
behavioral1/memory/1852-16-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/1852-60-0x0000000000500000-0x0000000000510200-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
2316	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"	20384e3ba74627a0c5b9004953bad638d12848cfb0be2a322167f2c10c00ab65N.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/1852-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1852-4-0x0000000000220000-0x0000000000228000-memory.dmp	upx
behavioral1/files/0x002e00000001604c-7.dat	upx
behavioral1/memory/2316-10-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1852-16-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2316-19-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2316-20-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2316-25-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2316-30-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2316-32-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2316-37-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2316-42-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2316-44-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2316-49-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2316-54-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2316-56-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1852-60-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2316-61-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	20384e3ba74627a0c5b9004953bad638d12848cfb0be2a322167f2c10c00ab65N.exe
File opened for modification	C:\Windows\java.exe	20384e3ba74627a0c5b9004953bad638d12848cfb0be2a322167f2c10c00ab65N.exe
File created	C:\Windows\java.exe	20384e3ba74627a0c5b9004953bad638d12848cfb0be2a322167f2c10c00ab65N.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	20384e3ba74627a0c5b9004953bad638d12848cfb0be2a322167f2c10c00ab65N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1852 wrote to memory of 2316	1852	20384e3ba74627a0c5b9004953bad638d12848cfb0be2a322167f2c10c00ab65N.exe	30
PID 1852 wrote to memory of 2316	1852	20384e3ba74627a0c5b9004953bad638d12848cfb0be2a322167f2c10c00ab65N.exe	30
PID 1852 wrote to memory of 2316	1852	20384e3ba74627a0c5b9004953bad638d12848cfb0be2a322167f2c10c00ab65N.exe	30
PID 1852 wrote to memory of 2316	1852	20384e3ba74627a0c5b9004953bad638d12848cfb0be2a322167f2c10c00ab65N.exe	30

C:\Users\Admin\AppData\Local\Temp\20384e3ba74627a0c5b9004953bad638d12848cfb0be2a322167f2c10c00ab65N.exe
"C:\Users\Admin\AppData\Local\Temp\20384e3ba74627a0c5b9004953bad638d12848cfb0be2a322167f2c10c00ab65N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1852
- 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:2316

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\bcepeU.log

Filesize
320B

MD5
1dda9863a0e911ed6efd586e6eb7527e

SHA1
b47ecefc278e73417f8711be7bd6ad07e4478b4f

SHA256
51aa7a62f59a13b0c0e4195c951e9dd3b544b405389803aacc939193a781997a

SHA512
bfae8d7a20b08edabd58c4d13ebac72c9a9bbc4bb95b11f13db14895440c2443b553810be9c08c12fa10b03ae8cb48610b8284b8ba4c2e630211adc8c2a8c713

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/1852-16-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1852-4-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/1852-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1852-17-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/1852-60-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2316-37-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2316-25-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2316-30-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2316-32-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2316-10-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2316-42-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2316-44-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2316-20-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2316-49-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2316-54-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2316-56-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2316-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2316-61-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads