mydoom | 825a3a2f36b151c44d3725c7679b6a8eaa2b4f903b4fb3380595fd1cdbdf1e5e

General

Target

825a3a2f36b151c44d3725c7679b6a8eaa2b4f903b4fb3380595fd1cdbdf1e5eN.exe
Size

29KB
MD5

c687de6ba6fa27e5b63e4ddc00fda5e0
SHA1

d1bcd82823e3e88fd5797b54fb5a55d84585bedc
SHA256

825a3a2f36b151c44d3725c7679b6a8eaa2b4f903b4fb3380595fd1cdbdf1e5e
SHA512

f991b456716f0bec88f7f5f2af8500732589fe07fe9be5b9abd6f6c56a2fd6ed723fa180e629eb9117f5118a8bb028250c511d82b50ddc95c4d8e7625f4b0483
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/G3:AEwVs+0jNDY1qi/qe3

Score

10^/10

mydoom discovery persistence upx worm

Malware Config

Signatures

Detects MyDoom family 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2528-16-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2528-59-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom

MyDoom
MyDoom is a Worm that is written in C++.
worm mydoom
Mydoom family
mydoom

Executes dropped EXE 1 IoCs

Processes:

services.exe

pid	Process
1184	services.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

825a3a2f36b151c44d3725c7679b6a8eaa2b4f903b4fb3380595fd1cdbdf1e5eN.exeservices.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe"	825a3a2f36b151c44d3725c7679b6a8eaa2b4f903b4fb3380595fd1cdbdf1e5eN.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

UPX packed file 18 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2528-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2528-4-0x0000000000270000-0x0000000000278000-memory.dmp	upx
behavioral1/files/0x00080000000160ae-7.dat	upx
behavioral1/memory/2528-9-0x0000000000270000-0x0000000000278000-memory.dmp	upx
behavioral1/memory/2528-16-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1184-18-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1184-19-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1184-24-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1184-29-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1184-31-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1184-36-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1184-41-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1184-43-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1184-48-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1184-53-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1184-55-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2528-59-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1184-60-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

Processes:

825a3a2f36b151c44d3725c7679b6a8eaa2b4f903b4fb3380595fd1cdbdf1e5eN.exe

description	ioc	Process
File opened for modification	C:\Windows\java.exe	825a3a2f36b151c44d3725c7679b6a8eaa2b4f903b4fb3380595fd1cdbdf1e5eN.exe
File created	C:\Windows\java.exe	825a3a2f36b151c44d3725c7679b6a8eaa2b4f903b4fb3380595fd1cdbdf1e5eN.exe
File created	C:\Windows\services.exe	825a3a2f36b151c44d3725c7679b6a8eaa2b4f903b4fb3380595fd1cdbdf1e5eN.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

Processes:

825a3a2f36b151c44d3725c7679b6a8eaa2b4f903b4fb3380595fd1cdbdf1e5eN.exeservices.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	825a3a2f36b151c44d3725c7679b6a8eaa2b4f903b4fb3380595fd1cdbdf1e5eN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

825a3a2f36b151c44d3725c7679b6a8eaa2b4f903b4fb3380595fd1cdbdf1e5eN.exe

description	pid	Process	procid_target
PID 2528 wrote to memory of 1184	2528	825a3a2f36b151c44d3725c7679b6a8eaa2b4f903b4fb3380595fd1cdbdf1e5eN.exe	30
PID 2528 wrote to memory of 1184	2528	825a3a2f36b151c44d3725c7679b6a8eaa2b4f903b4fb3380595fd1cdbdf1e5eN.exe	30
PID 2528 wrote to memory of 1184	2528	825a3a2f36b151c44d3725c7679b6a8eaa2b4f903b4fb3380595fd1cdbdf1e5eN.exe	30
PID 2528 wrote to memory of 1184	2528	825a3a2f36b151c44d3725c7679b6a8eaa2b4f903b4fb3380595fd1cdbdf1e5eN.exe	30

C:\Users\Admin\AppData\Local\Temp\825a3a2f36b151c44d3725c7679b6a8eaa2b4f903b4fb3380595fd1cdbdf1e5eN.exe
"C:\Users\Admin\AppData\Local\Temp\825a3a2f36b151c44d3725c7679b6a8eaa2b4f903b4fb3380595fd1cdbdf1e5eN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2528
- 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:1184

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\zincite.log

MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/1184-24-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1184-36-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1184-60-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1184-55-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1184-18-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1184-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1184-53-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1184-29-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1184-31-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1184-48-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1184-41-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1184-43-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2528-9-0x0000000000270000-0x0000000000278000-memory.dmp

Filesize
32KB

Download
memory/2528-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2528-16-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2528-59-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2528-4-0x0000000000270000-0x0000000000278000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads