mydoom | a254fa1d952f6cd1a777c8020d9d28fcad3077e637cb13925b8d6003f18b08e6

General

Target

a254fa1d952f6cd1a777c8020d9d28fcad3077e637cb13925b8d6003f18b08e6N.exe
Size

29KB
MD5

7fe591f643b1be3cda109c2072e99c90
SHA1

aa40353295e074bb8721eb21db3e15bed198e422
SHA256

a254fa1d952f6cd1a777c8020d9d28fcad3077e637cb13925b8d6003f18b08e6
SHA512

40c9891349c1f975c360b580eb9a9359b7d843052a909cf89162fa2a852662da5bf472b88b4a443f2201be20eddca3ed70698ecbf82362c697050454ca0df934
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/6hg:AEwVs+0jNDY1qi/qii

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 2 IoCs

resource	yara_rule
behavioral1/memory/2152-0-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2152-16-0x0000000000500000-0x0000000000510200-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
2188	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"	a254fa1d952f6cd1a777c8020d9d28fcad3077e637cb13925b8d6003f18b08e6N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

UPX packed file 17 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2152-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2152-4-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0016000000018657-7.dat	upx
behavioral1/memory/2188-10-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2152-16-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2188-19-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2188-20-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2188-25-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2188-30-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2188-32-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2188-37-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2188-42-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2188-44-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2188-49-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2188-54-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2188-56-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2188-61-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\java.exe	a254fa1d952f6cd1a777c8020d9d28fcad3077e637cb13925b8d6003f18b08e6N.exe
File created	C:\Windows\services.exe	a254fa1d952f6cd1a777c8020d9d28fcad3077e637cb13925b8d6003f18b08e6N.exe
File opened for modification	C:\Windows\java.exe	a254fa1d952f6cd1a777c8020d9d28fcad3077e637cb13925b8d6003f18b08e6N.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	a254fa1d952f6cd1a777c8020d9d28fcad3077e637cb13925b8d6003f18b08e6N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2152 wrote to memory of 2188	2152	a254fa1d952f6cd1a777c8020d9d28fcad3077e637cb13925b8d6003f18b08e6N.exe	31
PID 2152 wrote to memory of 2188	2152	a254fa1d952f6cd1a777c8020d9d28fcad3077e637cb13925b8d6003f18b08e6N.exe	31
PID 2152 wrote to memory of 2188	2152	a254fa1d952f6cd1a777c8020d9d28fcad3077e637cb13925b8d6003f18b08e6N.exe	31
PID 2152 wrote to memory of 2188	2152	a254fa1d952f6cd1a777c8020d9d28fcad3077e637cb13925b8d6003f18b08e6N.exe	31

C:\Users\Admin\AppData\Local\Temp\a254fa1d952f6cd1a777c8020d9d28fcad3077e637cb13925b8d6003f18b08e6N.exe
"C:\Users\Admin\AppData\Local\Temp\a254fa1d952f6cd1a777c8020d9d28fcad3077e637cb13925b8d6003f18b08e6N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2152
- 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:2188

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/2152-17-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2152-4-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2152-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2152-16-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2188-20-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2188-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2188-10-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2188-25-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2188-30-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2188-32-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2188-37-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2188-42-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2188-44-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2188-49-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2188-54-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2188-56-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2188-61-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads