mydoom | 5a3ef33bf06aceedf178b9e66acdaab76d7741b678ddce1a684b182741e37e07

General

Target

5a3ef33bf06aceedf178b9e66acdaab76d7741b678ddce1a684b182741e37e07N.exe
Size

29KB
MD5

0fc561d0e45048720928866fd96a9af0
SHA1

b52d9851a8c94b060d6b5932c118e800b808af0e
SHA256

5a3ef33bf06aceedf178b9e66acdaab76d7741b678ddce1a684b182741e37e07
SHA512

5f09771f3c1e97e8aecce2bb098e8a65db8989a69530d85e69adee67128e51988606fb3af26b96509210afd61f26cfaebe2d0d62aed309a6f06ed5ba49aa3916
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/p:AEwVs+0jNDY1qi/qR

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 5 IoCs

resource	yara_rule
behavioral1/memory/1060-16-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/1060-48-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/1060-53-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/1060-75-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/1060-79-0x0000000000500000-0x0000000000510200-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
3012	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"	5a3ef33bf06aceedf178b9e66acdaab76d7741b678ddce1a684b182741e37e07N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1060-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1060-4-0x0000000000220000-0x0000000000228000-memory.dmp	upx
behavioral1/files/0x0008000000015cc9-7.dat	upx
behavioral1/memory/1060-16-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/3012-19-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/3012-20-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/3012-25-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/3012-30-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/3012-32-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/3012-37-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/3012-42-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/3012-44-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1060-48-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/3012-49-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1060-53-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/3012-54-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0006000000004ed7-67.dat	upx
behavioral1/memory/1060-75-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/3012-76-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1060-79-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/3012-80-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	5a3ef33bf06aceedf178b9e66acdaab76d7741b678ddce1a684b182741e37e07N.exe
File opened for modification	C:\Windows\java.exe	5a3ef33bf06aceedf178b9e66acdaab76d7741b678ddce1a684b182741e37e07N.exe
File created	C:\Windows\java.exe	5a3ef33bf06aceedf178b9e66acdaab76d7741b678ddce1a684b182741e37e07N.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	5a3ef33bf06aceedf178b9e66acdaab76d7741b678ddce1a684b182741e37e07N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1060 wrote to memory of 3012	1060	5a3ef33bf06aceedf178b9e66acdaab76d7741b678ddce1a684b182741e37e07N.exe	30
PID 1060 wrote to memory of 3012	1060	5a3ef33bf06aceedf178b9e66acdaab76d7741b678ddce1a684b182741e37e07N.exe	30
PID 1060 wrote to memory of 3012	1060	5a3ef33bf06aceedf178b9e66acdaab76d7741b678ddce1a684b182741e37e07N.exe	30
PID 1060 wrote to memory of 3012	1060	5a3ef33bf06aceedf178b9e66acdaab76d7741b678ddce1a684b182741e37e07N.exe	30

C:\Users\Admin\AppData\Local\Temp\5a3ef33bf06aceedf178b9e66acdaab76d7741b678ddce1a684b182741e37e07N.exe
"C:\Users\Admin\AppData\Local\Temp\5a3ef33bf06aceedf178b9e66acdaab76d7741b678ddce1a684b182741e37e07N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1060
- 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:3012

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\tmp1789.tmp

Filesize
29KB

MD5
cf1d686eb741fcafe266a2fcf393603a

SHA1
1e21393d08a04714a82436a82abd8797d0533a3b

SHA256
dd5ecd5f203f1ebcfc8b7509beccc014bcc193444b20e297cb5379def42c1a84

SHA512
f2249bbef3d8a99820a0c0c551bf8e3116d082b3c85e5d47a170eaec7a5d02f01714fa783bbdf15bd64b0dda992ac1e72e8ddabaea4f7c7eb86ae8e840a815f8

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

Filesize
320B

MD5
798dc15c6c1ff41b7aba1615a9bbac93

SHA1
add6d65d301ddae9dc14c4a60d2c160eb3558388

SHA256
bfa9f2a40c7fa176e3819160163d16f0ffaa14afb23595a1a0b3f64a01ffc045

SHA512
715484bb9da34fbe07992802bb45fa3ffc9fb57870451bedeeb60c23d90254605133c0bf16d33ec48875af0a21611506521c9e80fa83e9b938d027c7ef141a93

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/1060-9-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/1060-16-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1060-17-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/1060-79-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1060-75-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1060-48-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1060-4-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/1060-53-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1060-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/3012-37-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3012-44-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3012-42-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3012-49-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3012-32-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3012-54-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3012-30-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3012-25-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3012-20-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3012-76-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3012-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3012-80-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads