mydoom | 83fbfe6a8cb517efa4bd132ea8d95ec1a8e27f3a9939f651e775ae9a6994444a

General

Target

83fbfe6a8cb517efa4bd132ea8d95ec1a8e27f3a9939f651e775ae9a6994444a.exe
Size

29KB
MD5

b767d0fbe9a8a85af9d9410280979e6d
SHA1

2fa2a182bbc5564dd8277b0b2bde3cb6c91c2e5c
SHA256

83fbfe6a8cb517efa4bd132ea8d95ec1a8e27f3a9939f651e775ae9a6994444a
SHA512

dbfc73f9000e2d301fd0c6c445210fdd6e9db6a9422dedd7c9d62f687f3befc234f32d278e2bbc46c89b09abbd271caef03a8366682159a6ab0329e517838f5d
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/quu:AEwVs+0jNDY1qi/qU

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 4 IoCs

resource	yara_rule
behavioral1/memory/1728-16-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/1728-60-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/1728-84-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/1728-88-0x0000000000500000-0x0000000000510200-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
1228	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"	83fbfe6a8cb517efa4bd132ea8d95ec1a8e27f3a9939f651e775ae9a6994444a.exe

UPX packed file 23 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1728-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1728-4-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0008000000017520-7.dat	upx
behavioral1/memory/1728-16-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1228-19-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1228-20-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1228-25-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1228-30-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1228-32-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1228-37-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1228-42-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1228-44-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1228-49-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1228-54-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1228-56-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1728-60-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1228-61-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1228-66-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0005000000004ed7-76.dat	upx
behavioral1/memory/1728-84-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1228-85-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1728-88-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1228-89-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\java.exe	83fbfe6a8cb517efa4bd132ea8d95ec1a8e27f3a9939f651e775ae9a6994444a.exe
File created	C:\Windows\java.exe	83fbfe6a8cb517efa4bd132ea8d95ec1a8e27f3a9939f651e775ae9a6994444a.exe
File created	C:\Windows\services.exe	83fbfe6a8cb517efa4bd132ea8d95ec1a8e27f3a9939f651e775ae9a6994444a.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	83fbfe6a8cb517efa4bd132ea8d95ec1a8e27f3a9939f651e775ae9a6994444a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1728 wrote to memory of 1228	1728	83fbfe6a8cb517efa4bd132ea8d95ec1a8e27f3a9939f651e775ae9a6994444a.exe	30
PID 1728 wrote to memory of 1228	1728	83fbfe6a8cb517efa4bd132ea8d95ec1a8e27f3a9939f651e775ae9a6994444a.exe	30
PID 1728 wrote to memory of 1228	1728	83fbfe6a8cb517efa4bd132ea8d95ec1a8e27f3a9939f651e775ae9a6994444a.exe	30
PID 1728 wrote to memory of 1228	1728	83fbfe6a8cb517efa4bd132ea8d95ec1a8e27f3a9939f651e775ae9a6994444a.exe	30

C:\Users\Admin\AppData\Local\Temp\83fbfe6a8cb517efa4bd132ea8d95ec1a8e27f3a9939f651e775ae9a6994444a.exe
"C:\Users\Admin\AppData\Local\Temp\83fbfe6a8cb517efa4bd132ea8d95ec1a8e27f3a9939f651e775ae9a6994444a.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1728
- 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:1228

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\tmp9FCA.tmp

Filesize
29KB

MD5
355edb620eb0e109bbab846efd62f4b4

SHA1
aab5ca9365ff84e67d011b55fd616d1554c677bb

SHA256
7f66ef4b3af1e4b9fdab1cebc29653dee5f8fd6f096497d34f7eacb6a0b778fc

SHA512
4d9864a25da429ce643c6bebc200418c56bff87934435416dae256fe755dc3dfb4e96932e952326f971452a4c7a3f54f8adc3b0fc06a585fb945ced8bf4d4eff

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

Filesize
352B

MD5
86b3d359d294572619abf841cb6c9bac

SHA1
5a4cf7c50df50cebe1f524b770083e82ce771d8f

SHA256
9426f06f2092d1c3e1ac636d0b480e742941c77474fe3a1d779b1769b948e2ba

SHA512
eaee26017edcf85c5e9c3a8523a2e7427dc3c7dc609f97e0523823d1b3a2c777cde38060d3a8f62fa85e8c72a02711c7da53dabe2d94bb7e66b75c23bba4431e

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/1228-20-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1228-32-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1228-89-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1228-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1228-61-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1228-25-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1228-30-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1228-85-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1228-37-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1228-42-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1228-44-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1228-49-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1228-54-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1228-56-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1228-66-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1728-17-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1728-60-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1728-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1728-16-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1728-84-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1728-9-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1728-88-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1728-4-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads