mydoom | c73a90d67a653d665cbad0cd8c9796bcaad73e02e67eb339fd7257740c71654d

General

Target

c73a90d67a653d665cbad0cd8c9796bcaad73e02e67eb339fd7257740c71654dN.exe
Size

29KB
MD5

43da4ae3bae5786cf49b0f18bc5bee50
SHA1

b460363a9315d224958fc88b55474c64671e9917
SHA256

c73a90d67a653d665cbad0cd8c9796bcaad73e02e67eb339fd7257740c71654d
SHA512

848aa96e501381289e2cbc169c55d3ac97773ac50a62318a7d63b00f76fd244987ea6b187e03f9baf675119dcb1074b94497f1da6b916ccb028026efe6f8ba9c
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/k:AEwVs+0jNDY1qi/qM

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 2 IoCs

resource	yara_rule
behavioral1/memory/1044-16-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/1044-55-0x0000000000500000-0x0000000000510200-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
2288	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"	c73a90d67a653d665cbad0cd8c9796bcaad73e02e67eb339fd7257740c71654dN.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1044-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2288-10-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x000c000000014afa-8.dat	upx
behavioral1/memory/1044-4-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1044-16-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2288-19-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2288-20-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2288-25-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2288-30-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2288-32-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2288-37-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2288-42-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2288-44-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2288-49-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2288-54-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1044-55-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2288-56-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2288-61-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0004000000004ed7-66.dat	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	c73a90d67a653d665cbad0cd8c9796bcaad73e02e67eb339fd7257740c71654dN.exe
File opened for modification	C:\Windows\java.exe	c73a90d67a653d665cbad0cd8c9796bcaad73e02e67eb339fd7257740c71654dN.exe
File created	C:\Windows\java.exe	c73a90d67a653d665cbad0cd8c9796bcaad73e02e67eb339fd7257740c71654dN.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	services.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c73a90d67a653d665cbad0cd8c9796bcaad73e02e67eb339fd7257740c71654dN.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1044 wrote to memory of 2288	1044	c73a90d67a653d665cbad0cd8c9796bcaad73e02e67eb339fd7257740c71654dN.exe	28
PID 1044 wrote to memory of 2288	1044	c73a90d67a653d665cbad0cd8c9796bcaad73e02e67eb339fd7257740c71654dN.exe	28
PID 1044 wrote to memory of 2288	1044	c73a90d67a653d665cbad0cd8c9796bcaad73e02e67eb339fd7257740c71654dN.exe	28
PID 1044 wrote to memory of 2288	1044	c73a90d67a653d665cbad0cd8c9796bcaad73e02e67eb339fd7257740c71654dN.exe	28

C:\Users\Admin\AppData\Local\Temp\c73a90d67a653d665cbad0cd8c9796bcaad73e02e67eb339fd7257740c71654dN.exe
"C:\Users\Admin\AppData\Local\Temp\c73a90d67a653d665cbad0cd8c9796bcaad73e02e67eb339fd7257740c71654dN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1044
- 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:2288

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\tmp1880.tmp

Filesize
29KB

MD5
d330db65b2dedf719b6267b426b4f7fa

SHA1
1bdbf9d7515aa3e4e8b67470b4ffa154256a0b4b

SHA256
83fa7ef62cbe16f99e0b3cdca65c96f4b77d6b9c5d2b33071548ff4d5a73ab5d

SHA512
39910b6fdd25ca3cf72ba5151603accab0478fb2163fef4c4d138658aadf16ce739bcd41d37884edcee56926ca503763813f5a2c274aab91f0e98e20444c751f

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

Filesize
352B

MD5
b73e622d4f0012b9349fd162f571fb4e

SHA1
f2dfaf3a2fa5f4e1a2a7a045dc1f4f81f63f1d00

SHA256
778e293b40f821ad302783f950b8c6d4a1374d66bf62fe4e3373c9ac9ae5a01f

SHA512
0c9de132a542e0e6f2645795cd4ceeadaef9ee9e497899e66a4b8b0169a147e35f4ada5e00aa2d7437ff7c27f8ab9e429ae9da17230860809c043731cdf34900

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/1044-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1044-4-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1044-16-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1044-17-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1044-55-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2288-30-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2288-25-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2288-32-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2288-37-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2288-42-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2288-44-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2288-49-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2288-54-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2288-20-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2288-56-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2288-61-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2288-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2288-10-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads