mydoom | cf31ebea91b899c410c34bf5f73995b725aaad69162052c4a6dc94ac9e4eb8fa

General

Target

cf31ebea91b899c410c34bf5f73995b725aaad69162052c4a6dc94ac9e4eb8fa.exe
Size

29KB
MD5

802457f85bcd410b5a4eb2d20c11c46e
SHA1

154d483ff96d3ffe74ec9c86cdf85bac804ca81e
SHA256

cf31ebea91b899c410c34bf5f73995b725aaad69162052c4a6dc94ac9e4eb8fa
SHA512

8701ca9037f95c87ce141b53471f5c39e45256cd51665d393c49ca40e683dae61eb16b807a4765ee911a3136c9cfd6e0c2f97b3d18e74dc140dcff19ba97ab36
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/C:AEwVs+0jNDY1qi/qa

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 5 IoCs

resource	yara_rule
behavioral1/memory/2500-16-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2500-41-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2500-61-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2500-66-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2500-68-0x0000000000500000-0x0000000000510200-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
2544	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"	cf31ebea91b899c410c34bf5f73995b725aaad69162052c4a6dc94ac9e4eb8fa.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

UPX packed file 22 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2500-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2500-4-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0009000000016d31-7.dat	upx
behavioral1/memory/2544-10-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2500-16-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2544-19-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2544-20-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2544-25-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2544-30-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2544-32-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2544-37-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2500-41-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2544-42-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2544-44-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0004000000004ed7-49.dat	upx
behavioral1/memory/2544-62-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2500-61-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2500-66-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2544-67-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2544-69-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2500-68-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2544-74-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\java.exe	cf31ebea91b899c410c34bf5f73995b725aaad69162052c4a6dc94ac9e4eb8fa.exe
File created	C:\Windows\services.exe	cf31ebea91b899c410c34bf5f73995b725aaad69162052c4a6dc94ac9e4eb8fa.exe
File opened for modification	C:\Windows\java.exe	cf31ebea91b899c410c34bf5f73995b725aaad69162052c4a6dc94ac9e4eb8fa.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	cf31ebea91b899c410c34bf5f73995b725aaad69162052c4a6dc94ac9e4eb8fa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2500 wrote to memory of 2544	2500	cf31ebea91b899c410c34bf5f73995b725aaad69162052c4a6dc94ac9e4eb8fa.exe	30
PID 2500 wrote to memory of 2544	2500	cf31ebea91b899c410c34bf5f73995b725aaad69162052c4a6dc94ac9e4eb8fa.exe	30
PID 2500 wrote to memory of 2544	2500	cf31ebea91b899c410c34bf5f73995b725aaad69162052c4a6dc94ac9e4eb8fa.exe	30
PID 2500 wrote to memory of 2544	2500	cf31ebea91b899c410c34bf5f73995b725aaad69162052c4a6dc94ac9e4eb8fa.exe	30

C:\Users\Admin\AppData\Local\Temp\cf31ebea91b899c410c34bf5f73995b725aaad69162052c4a6dc94ac9e4eb8fa.exe
"C:\Users\Admin\AppData\Local\Temp\cf31ebea91b899c410c34bf5f73995b725aaad69162052c4a6dc94ac9e4eb8fa.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2500
- 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:2544

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\tmpE1B8.tmp

Filesize
29KB

MD5
3c1fb61fa4217a519417b47152012d53

SHA1
5eed4e46932ca7a2573c1940da01ae1be26f9993

SHA256
8085c000ee11f52ef88d31dfc7de1c2a785ffb3d23746d923e1d1a4934f1e83a

SHA512
a96c625696f9b6af8d7d8a20aeede5b1e61efdc0505a270776d4af80ae3d5edb8c2aadb93bb2bb22fb03510bc86d4bb268fa73a5e5504a4247d8525e21ae0240

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

Filesize
352B

MD5
fb380cb8569cbc88150cbe15d08c82c7

SHA1
dab018863476f10f8a96d3ca99eb38a83abc2e63

SHA256
de7bb25e57b1f3ae6b1aced3ce745b8a92223050840ff31405afe6c1b80992a2

SHA512
76dc2fa09fdff63ab8b6112a56e8f151d6fa058aca9aaf1fe093d033d5ba37cf5a1142359cc1e1f0d54b4ba10245a3fda004ba3359b220260f1906a948554ccd

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/2500-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2500-4-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2500-68-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2500-16-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2500-17-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2500-66-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2500-61-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2500-41-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2544-37-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2544-32-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2544-42-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2544-44-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2544-30-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2544-25-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2544-62-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2544-20-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2544-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2544-67-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2544-69-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2544-10-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2544-74-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads