mydoom | 58cfedf982f6ac7f1b0c934ce996fbe62be1225bdcb77726ad47ce4a6db19d63

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17-12-2024 05:34

241217-f9d1easkaw 10

17-12-2024 05:31

241217-f7n3lasjfz 10

Analysis

max time kernel
13s
max time network
9s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-12-2024 05:34

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General

Target

58cfedf982f6ac7f1b0c934ce996fbe62be1225bdcb77726ad47ce4a6db19d63.exe
Size

29KB
MD5

e3555e03aa21f69f2046ad09936154e5
SHA1

d2eb9bd624e4ed03d1001b097922aba9217303d3
SHA256

58cfedf982f6ac7f1b0c934ce996fbe62be1225bdcb77726ad47ce4a6db19d63
SHA512

620fbe68d7920008fc069151cafa314beb7390c8f8c5924af02eb8d5b712e1fc4e531c78ab872f8627ff464d3f8bd937d2334301ae92769efd667a50875ae9d9
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Ri:AEwVs+0jNDY1qi/qE

Score

10^/10

mydoom discovery persistence upx worm

Malware Config

Signatures

Detects MyDoom family 1 IoCs

resource	yara_rule
behavioral1/memory/2616-17-0x0000000000500000-0x0000000000510200-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
1160	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"	58cfedf982f6ac7f1b0c934ce996fbe62be1225bdcb77726ad47ce4a6db19d63.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2616-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2616-4-0x0000000000220000-0x0000000000228000-memory.dmp	upx
behavioral1/files/0x0008000000019275-7.dat	upx
behavioral1/memory/1160-11-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2616-9-0x0000000000220000-0x0000000000228000-memory.dmp	upx
behavioral1/memory/2616-17-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1160-19-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1160-20-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	58cfedf982f6ac7f1b0c934ce996fbe62be1225bdcb77726ad47ce4a6db19d63.exe
File opened for modification	C:\Windows\java.exe	58cfedf982f6ac7f1b0c934ce996fbe62be1225bdcb77726ad47ce4a6db19d63.exe
File created	C:\Windows\java.exe	58cfedf982f6ac7f1b0c934ce996fbe62be1225bdcb77726ad47ce4a6db19d63.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	58cfedf982f6ac7f1b0c934ce996fbe62be1225bdcb77726ad47ce4a6db19d63.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2616 wrote to memory of 1160	2616	58cfedf982f6ac7f1b0c934ce996fbe62be1225bdcb77726ad47ce4a6db19d63.exe	31
PID 2616 wrote to memory of 1160	2616	58cfedf982f6ac7f1b0c934ce996fbe62be1225bdcb77726ad47ce4a6db19d63.exe	31
PID 2616 wrote to memory of 1160	2616	58cfedf982f6ac7f1b0c934ce996fbe62be1225bdcb77726ad47ce4a6db19d63.exe	31
PID 2616 wrote to memory of 1160	2616	58cfedf982f6ac7f1b0c934ce996fbe62be1225bdcb77726ad47ce4a6db19d63.exe	31

C:\Users\Admin\AppData\Local\Temp\58cfedf982f6ac7f1b0c934ce996fbe62be1225bdcb77726ad47ce4a6db19d63.exe
"C:\Users\Admin\AppData\Local\Temp\58cfedf982f6ac7f1b0c934ce996fbe62be1225bdcb77726ad47ce4a6db19d63.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2616
- 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:1160

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/1160-11-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1160-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1160-20-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2616-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2616-4-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/2616-9-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/2616-17-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads