mydoom | e3fb46864d96f23265a4fb22e6172b56fb6b646ab1550120740f637d52d94ed4

General

Target

e3fb46864d96f23265a4fb22e6172b56fb6b646ab1550120740f637d52d94ed4N.exe
Size

29KB
MD5

c48d34fb8f1e3aa81645c2d0341b5990
SHA1

a6c30ef9cde257a6c89341603fd5cd4b3f206e66
SHA256

e3fb46864d96f23265a4fb22e6172b56fb6b646ab1550120740f637d52d94ed4
SHA512

f0a89d3fea3c7150bf7d38ab57e050e5fa84048302c2db0c752c7bec60a35d05ea26d8fe8e0b0efae28ada849e8fc20ff099078d4fc7731ee1a6e1daffdf27a4
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/b:AEwVs+0jNDY1qi/qT

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 2 IoCs

resource	yara_rule
behavioral1/memory/2572-16-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2572-60-0x0000000000500000-0x0000000000510200-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
2084	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"	e3fb46864d96f23265a4fb22e6172b56fb6b646ab1550120740f637d52d94ed4N.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/2572-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2572-4-0x0000000000220000-0x0000000000228000-memory.dmp	upx
behavioral1/files/0x0008000000016d68-7.dat	upx
behavioral1/memory/2084-10-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2572-16-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2084-19-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2084-20-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2084-25-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2084-30-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2084-32-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2084-37-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2084-42-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2084-44-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2084-49-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2084-54-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2084-56-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2084-61-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2572-60-0x0000000000500000-0x0000000000510200-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\java.exe	e3fb46864d96f23265a4fb22e6172b56fb6b646ab1550120740f637d52d94ed4N.exe
File created	C:\Windows\java.exe	e3fb46864d96f23265a4fb22e6172b56fb6b646ab1550120740f637d52d94ed4N.exe
File created	C:\Windows\services.exe	e3fb46864d96f23265a4fb22e6172b56fb6b646ab1550120740f637d52d94ed4N.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	e3fb46864d96f23265a4fb22e6172b56fb6b646ab1550120740f637d52d94ed4N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2572 wrote to memory of 2084	2572	e3fb46864d96f23265a4fb22e6172b56fb6b646ab1550120740f637d52d94ed4N.exe	31
PID 2572 wrote to memory of 2084	2572	e3fb46864d96f23265a4fb22e6172b56fb6b646ab1550120740f637d52d94ed4N.exe	31
PID 2572 wrote to memory of 2084	2572	e3fb46864d96f23265a4fb22e6172b56fb6b646ab1550120740f637d52d94ed4N.exe	31
PID 2572 wrote to memory of 2084	2572	e3fb46864d96f23265a4fb22e6172b56fb6b646ab1550120740f637d52d94ed4N.exe	31

C:\Users\Admin\AppData\Local\Temp\e3fb46864d96f23265a4fb22e6172b56fb6b646ab1550120740f637d52d94ed4N.exe
"C:\Users\Admin\AppData\Local\Temp\e3fb46864d96f23265a4fb22e6172b56fb6b646ab1550120740f637d52d94ed4N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2572
- 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:2084

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\znxfmzm.log

Filesize
320B

MD5
f603dea64685a153a862f9f39f7eff97

SHA1
0ec59830f7cb057ec334701927680e0cd9e2df64

SHA256
5c26a297f61d88b2517ad1a05ea3ab1422933ca185a2882bfe4f6bb34119fa9c

SHA512
5f6c2d68a6e2b254eb3be02e07081e6dc5e27c7030dc5a2d664a8102ebeff2363a823a6d497b22ac7acec8ad93454848768e72a1eb59a6eb3246b0a690750d06

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/2084-30-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2084-37-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2084-61-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2084-56-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2084-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2084-20-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2084-25-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2084-54-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2084-32-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2084-10-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2084-42-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2084-44-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2084-49-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2572-4-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/2572-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2572-17-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/2572-16-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2572-60-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads