mydoom | 21739125339f19e138c8b5549c5eb98a7ca3779960b072e6d08d0104e245494d

General

Target

21739125339f19e138c8b5549c5eb98a7ca3779960b072e6d08d0104e245494d.exe
Size

29KB
MD5

07ba0c4cfd1bdbd41857e2066aeee432
SHA1

a5b9824647acd55777af9594a231fa6d417b553e
SHA256

21739125339f19e138c8b5549c5eb98a7ca3779960b072e6d08d0104e245494d
SHA512

c099487b9462b3dffcf220d0008ed022a2514b1c0bec6193daa2f0ac2508305a996f10fe80f4a1d576217d02ad5f8a7ac08c9b68be53a8540d3962e7b048d789
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/P:AEwVs+0jNDY1qi/qn

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 5 IoCs

resource	yara_rule
behavioral1/memory/2120-16-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2120-48-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2120-53-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2120-72-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2120-76-0x0000000000500000-0x0000000000510200-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
2524	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"	21739125339f19e138c8b5549c5eb98a7ca3779960b072e6d08d0104e245494d.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/2120-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2120-4-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0008000000016edb-7.dat	upx
behavioral1/memory/2524-10-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2120-16-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2524-19-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2524-20-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2524-25-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2524-30-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2524-32-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2524-37-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2524-42-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2524-44-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2120-48-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2524-49-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2120-53-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2524-54-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0008000000017403-64.dat	upx
behavioral1/memory/2120-72-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2524-73-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2524-77-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2120-76-0x0000000000500000-0x0000000000510200-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	21739125339f19e138c8b5549c5eb98a7ca3779960b072e6d08d0104e245494d.exe
File opened for modification	C:\Windows\java.exe	21739125339f19e138c8b5549c5eb98a7ca3779960b072e6d08d0104e245494d.exe
File created	C:\Windows\java.exe	21739125339f19e138c8b5549c5eb98a7ca3779960b072e6d08d0104e245494d.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	21739125339f19e138c8b5549c5eb98a7ca3779960b072e6d08d0104e245494d.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2120 wrote to memory of 2524	2120	21739125339f19e138c8b5549c5eb98a7ca3779960b072e6d08d0104e245494d.exe	30
PID 2120 wrote to memory of 2524	2120	21739125339f19e138c8b5549c5eb98a7ca3779960b072e6d08d0104e245494d.exe	30
PID 2120 wrote to memory of 2524	2120	21739125339f19e138c8b5549c5eb98a7ca3779960b072e6d08d0104e245494d.exe	30
PID 2120 wrote to memory of 2524	2120	21739125339f19e138c8b5549c5eb98a7ca3779960b072e6d08d0104e245494d.exe	30

C:\Users\Admin\AppData\Local\Temp\21739125339f19e138c8b5549c5eb98a7ca3779960b072e6d08d0104e245494d.exe
"C:\Users\Admin\AppData\Local\Temp\21739125339f19e138c8b5549c5eb98a7ca3779960b072e6d08d0104e245494d.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2120
- 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:2524

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\tmp1C78.tmp

Filesize
29KB

MD5
7974f513f79d164e6adc1b371ae500e5

SHA1
073a2f60018abc262f177aaa8bd3b3c0d6a4b2ae

SHA256
6e0b2733825f669aa90867aeb17c604cd1d7f3c8df35cb5768e37c1810d7d615

SHA512
cae7e9f0e76eef2c29349c1ccf4595abcb19b7e3cc5022afb6ce3c6fc6cc4b72c1a3e18888be717397223f4cdf7a20c1e4430b8677dbda16222d8f13124ef194

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

Filesize
352B

MD5
73fb19607b36ea81b80f0e7e50ea5674

SHA1
4b9fae0a3d10951a209db91857a7acffb757132d

SHA256
806b8dc0cfc0049cd9a7bed544f327f78aae0fb700e4f907d2cefbb6f092fa27

SHA512
82b6be53951455312146597db92a8a5a5b2195c07a0f11b0c7f16dafd8c505a8afcb3e415f28055a6ef6803dabe1aea94682bbdcdb0a45035e55ed616dacec84

Download Submit
C:\Users\Admin\AppData\Local\Temp\zjg9emFVcj.log

Filesize
320B

MD5
65f3124082bb08d9128f45cdd9293285

SHA1
ff035500214caa45d88ea66794cf3aa790bec812

SHA256
acb0051d5802189da9c7853ed83008f1b84466a94ab0e78d95dc6e238eb43596

SHA512
9071d5c8dd508625382f68ee50207cd3b1ba0ab7aeff5b30f72583b8888e8b5115862c3e70cf359a44ee1b5ab943928b0e1b80f52d71b4ce995a5f32945d1218

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/2120-53-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2120-4-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2120-76-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2120-72-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2120-17-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2120-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2120-48-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2120-16-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2524-54-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2524-44-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2524-37-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2524-32-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2524-49-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2524-30-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2524-42-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2524-10-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2524-25-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2524-20-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2524-73-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2524-77-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2524-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads