mydoom | 873a3da740736d9847d4f5ef4bbea455dcd65e2051206270ea931c9f39007d66

General

Target

873a3da740736d9847d4f5ef4bbea455dcd65e2051206270ea931c9f39007d66N.exe
Size

29KB
MD5

bd5eac6a4a34db2ce0a01611c358b530
SHA1

1f1cc737c8fade4a71bbb7db84b19500554ce79e
SHA256

873a3da740736d9847d4f5ef4bbea455dcd65e2051206270ea931c9f39007d66
SHA512

15bd3292516f1d16480b3f20bf19240ba6b9f7678e7ac8fde6743de299b5458ea50fe1c3756f8cdc87c7aeb7fb8695c8f01d59c2511f8df52294515a34089fab
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/I:AEwVs+0jNDY1qi/qA

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 2 IoCs

resource	yara_rule
behavioral1/memory/2444-16-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2444-60-0x0000000000500000-0x0000000000510200-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
2700	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"	873a3da740736d9847d4f5ef4bbea455dcd65e2051206270ea931c9f39007d66N.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
behavioral1/memory/2444-2-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2444-4-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0008000000016df5-7.dat	upx
behavioral1/memory/2700-10-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2444-16-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2700-19-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2700-20-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2700-25-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2700-30-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2700-32-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2700-37-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2700-42-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2700-44-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2700-49-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2700-54-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2700-56-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2444-60-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2700-61-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	873a3da740736d9847d4f5ef4bbea455dcd65e2051206270ea931c9f39007d66N.exe
File opened for modification	C:\Windows\java.exe	873a3da740736d9847d4f5ef4bbea455dcd65e2051206270ea931c9f39007d66N.exe
File created	C:\Windows\java.exe	873a3da740736d9847d4f5ef4bbea455dcd65e2051206270ea931c9f39007d66N.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	services.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	873a3da740736d9847d4f5ef4bbea455dcd65e2051206270ea931c9f39007d66N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2444 wrote to memory of 2700	2444	873a3da740736d9847d4f5ef4bbea455dcd65e2051206270ea931c9f39007d66N.exe	30
PID 2444 wrote to memory of 2700	2444	873a3da740736d9847d4f5ef4bbea455dcd65e2051206270ea931c9f39007d66N.exe	30
PID 2444 wrote to memory of 2700	2444	873a3da740736d9847d4f5ef4bbea455dcd65e2051206270ea931c9f39007d66N.exe	30
PID 2444 wrote to memory of 2700	2444	873a3da740736d9847d4f5ef4bbea455dcd65e2051206270ea931c9f39007d66N.exe	30

C:\Users\Admin\AppData\Local\Temp\873a3da740736d9847d4f5ef4bbea455dcd65e2051206270ea931c9f39007d66N.exe
"C:\Users\Admin\AppData\Local\Temp\873a3da740736d9847d4f5ef4bbea455dcd65e2051206270ea931c9f39007d66N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2444
- 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:2700

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:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/2444-2-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2444-4-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2444-60-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2444-16-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2444-17-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2700-30-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2700-20-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2700-25-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2700-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2700-32-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2700-37-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2700-42-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2700-44-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2700-49-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2700-54-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2700-56-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2700-10-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2700-61-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads