mydoom | e81d3ea041f808b9b8e7bb358701258766e572873a10cf6a9b1d3bb26fdc7a99

General

Target

e81d3ea041f808b9b8e7bb358701258766e572873a10cf6a9b1d3bb26fdc7a99.exe
Size

29KB
MD5

398511056da2548ed911141e05c61175
SHA1

487b168deb54c471cf48088342df83174755a3da
SHA256

e81d3ea041f808b9b8e7bb358701258766e572873a10cf6a9b1d3bb26fdc7a99
SHA512

d2a88db66b47dcab0d87ba2cbd4dc091af3db35ab31a6b00ae8bc1ed821864d2dd3d007b14f5afaf6492339c01c4c0cca3b2768ec7151b6f03354e385c03e81d
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Nhg:AEwVs+0jNDY1qi/q1i

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 5 IoCs

resource	yara_rule
behavioral1/memory/2776-16-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2776-47-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2776-68-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2776-70-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2776-75-0x0000000000500000-0x0000000000510200-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
2852	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"	e81d3ea041f808b9b8e7bb358701258766e572873a10cf6a9b1d3bb26fdc7a99.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/2776-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2776-4-0x0000000000220000-0x0000000000228000-memory.dmp	upx
behavioral1/files/0x00080000000162e9-9.dat	upx
behavioral1/memory/2852-10-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2776-16-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2852-18-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2852-19-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2852-24-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2852-29-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2852-31-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2852-36-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2852-41-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2852-43-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2776-47-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2852-48-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0015000000015e9a-58.dat	upx
behavioral1/memory/2776-68-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2852-69-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2852-71-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2776-70-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2776-75-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2852-76-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	e81d3ea041f808b9b8e7bb358701258766e572873a10cf6a9b1d3bb26fdc7a99.exe
File opened for modification	C:\Windows\java.exe	e81d3ea041f808b9b8e7bb358701258766e572873a10cf6a9b1d3bb26fdc7a99.exe
File created	C:\Windows\java.exe	e81d3ea041f808b9b8e7bb358701258766e572873a10cf6a9b1d3bb26fdc7a99.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	e81d3ea041f808b9b8e7bb358701258766e572873a10cf6a9b1d3bb26fdc7a99.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2776 wrote to memory of 2852	2776	e81d3ea041f808b9b8e7bb358701258766e572873a10cf6a9b1d3bb26fdc7a99.exe	30
PID 2776 wrote to memory of 2852	2776	e81d3ea041f808b9b8e7bb358701258766e572873a10cf6a9b1d3bb26fdc7a99.exe	30
PID 2776 wrote to memory of 2852	2776	e81d3ea041f808b9b8e7bb358701258766e572873a10cf6a9b1d3bb26fdc7a99.exe	30
PID 2776 wrote to memory of 2852	2776	e81d3ea041f808b9b8e7bb358701258766e572873a10cf6a9b1d3bb26fdc7a99.exe	30

C:\Users\Admin\AppData\Local\Temp\e81d3ea041f808b9b8e7bb358701258766e572873a10cf6a9b1d3bb26fdc7a99.exe
"C:\Users\Admin\AppData\Local\Temp\e81d3ea041f808b9b8e7bb358701258766e572873a10cf6a9b1d3bb26fdc7a99.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2776
- 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:2852

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\tmp913A.tmp

Filesize
29KB

MD5
f861ca170e6750ada024d544b0157631

SHA1
9bb8383de0ca6c9d1070b91a488f8c95653d691f

SHA256
f14b49b6cf8679e864afddb3e9b3b178c58aad676e2054e96913e7fce217c0a3

SHA512
2df41f0fcbf754e5ebf74dce07f715abca9fe9a9533ca6a4d0165d02d9f737d6fd70539c62b0ea96445a1c041364cbbd0f73a8e1d99064eb84308f0bc12d4b6d

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

Filesize
320B

MD5
1686dd78bff63eacfa0be41e007e43cb

SHA1
1306677d63ccfd4de3f3fb385f1a09a49c97dc7f

SHA256
9e3164ad1d2ee852646c16c30ebebc952ff36e9a32a6f97107eb573b6b5d1add

SHA512
3ebc26d42dcdae9ba63cf36b7e88469e80d9c19763a7f4b301188f3549e585c34c3149a485c55d00664d67c3dec4b910f83386d754840b2fc8440b9bd0121503

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/2776-47-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2776-4-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/2776-75-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2776-16-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2776-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2776-70-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2776-68-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2852-18-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2852-41-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2852-43-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2852-36-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2852-48-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2852-31-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2852-29-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2852-24-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2852-69-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2852-71-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2852-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2852-10-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2852-76-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads