mydoom | c94521fd80678b71dc70c93410f9ea23184e2490b98e34c12e423bebf19a78cd

General

Target

c94521fd80678b71dc70c93410f9ea23184e2490b98e34c12e423bebf19a78cdN.exe
Size

29KB
MD5

6fc71e1c10912d7c16d87624c871d530
SHA1

aef95cc44b2fbdd50270b5fc0f521008a43ad27f
SHA256

c94521fd80678b71dc70c93410f9ea23184e2490b98e34c12e423bebf19a78cd
SHA512

3cebb266192aa2dece38865b26b8f04fed71a5a9a709bd6038b38b49d3a9565823db14fbe7bbfa3a6affaf03feeaf2ba8f0ed6cc7edd7373da77cfc21dfd4cfd
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/A:AEwVs+0jNDY1qi/qY

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 3 IoCs

resource	yara_rule
behavioral2/memory/4904-13-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4904-56-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4904-61-0x0000000000500000-0x0000000000510200-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
4804	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"	c94521fd80678b71dc70c93410f9ea23184e2490b98e34c12e423bebf19a78cdN.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

resource	yara_rule
behavioral2/memory/4904-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/files/0x0009000000023c8f-4.dat	upx
behavioral2/memory/4804-5-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4904-13-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4804-15-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4804-16-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4804-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4804-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4804-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4804-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4804-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4804-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4804-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4804-50-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4804-52-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4904-56-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4804-57-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4904-61-0x0000000000500000-0x0000000000510200-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\java.exe	c94521fd80678b71dc70c93410f9ea23184e2490b98e34c12e423bebf19a78cdN.exe
File created	C:\Windows\java.exe	c94521fd80678b71dc70c93410f9ea23184e2490b98e34c12e423bebf19a78cdN.exe
File created	C:\Windows\services.exe	c94521fd80678b71dc70c93410f9ea23184e2490b98e34c12e423bebf19a78cdN.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	c94521fd80678b71dc70c93410f9ea23184e2490b98e34c12e423bebf19a78cdN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4904 wrote to memory of 4804	4904	c94521fd80678b71dc70c93410f9ea23184e2490b98e34c12e423bebf19a78cdN.exe	82
PID 4904 wrote to memory of 4804	4904	c94521fd80678b71dc70c93410f9ea23184e2490b98e34c12e423bebf19a78cdN.exe	82
PID 4904 wrote to memory of 4804	4904	c94521fd80678b71dc70c93410f9ea23184e2490b98e34c12e423bebf19a78cdN.exe	82

C:\Users\Admin\AppData\Local\Temp\c94521fd80678b71dc70c93410f9ea23184e2490b98e34c12e423bebf19a78cdN.exe
"C:\Users\Admin\AppData\Local\Temp\c94521fd80678b71dc70c93410f9ea23184e2490b98e34c12e423bebf19a78cdN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4904
- 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:4804

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\Crxeuokzi.log

Filesize
320B

MD5
34c5f53f55362dadaae7e0140c6d004e

SHA1
73027485de5710ed2dee1d35c1c6af395ecd78a5

SHA256
498e5e9c7cbb0c90878f34e0611b0952972265951a812dc100c0dd76e4cc313e

SHA512
a7968a465a8f9df469652328f930b5a7ad43c2b92ee056dc882efa5d4f29ccbf2f7749f18644a29478af414e1ffac388d0c366e432b960b29c34eb212be0b490

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/4804-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4804-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4804-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4804-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4804-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4804-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4804-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4804-57-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4804-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4804-52-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4804-5-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4804-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4804-50-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4904-13-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4904-56-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4904-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4904-61-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads