mydoom | 7dd5fbf7098561bf4328cee5f9799cad2f3bc29dc4cada9f2bd2f0a032a6c604

General

Target

7dd5fbf7098561bf4328cee5f9799cad2f3bc29dc4cada9f2bd2f0a032a6c604.exe
Size

29KB
MD5

a306c8bd14719730df84d338ad1ba456
SHA1

de6e752d5cfd3a6ab305ff5d283b1f18eb909f96
SHA256

7dd5fbf7098561bf4328cee5f9799cad2f3bc29dc4cada9f2bd2f0a032a6c604
SHA512

b20323589d024fd985ce18de48631eecb2824e80c9758580d39e9dc005a00d405b3df58317220e7e90a1b2d69e5cee1e248ea2217145289907e2014c5047186a
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/ouW:AEwVs+0jNDY1qi/qq

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 5 IoCs

resource	yara_rule
behavioral2/memory/5040-13-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/5040-44-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/5040-49-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/5040-128-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/5040-155-0x0000000000500000-0x0000000000510200-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
4732	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"	7dd5fbf7098561bf4328cee5f9799cad2f3bc29dc4cada9f2bd2f0a032a6c604.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5040-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/files/0x000a000000023b57-4.dat	upx
behavioral2/memory/4732-7-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/5040-13-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4732-15-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4732-16-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4732-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4732-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4732-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4732-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4732-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4732-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/5040-44-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4732-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/5040-49-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4732-50-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/files/0x0004000000000705-60.dat	upx
behavioral2/memory/5040-128-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4732-134-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/5040-155-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4732-156-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	7dd5fbf7098561bf4328cee5f9799cad2f3bc29dc4cada9f2bd2f0a032a6c604.exe
File opened for modification	C:\Windows\java.exe	7dd5fbf7098561bf4328cee5f9799cad2f3bc29dc4cada9f2bd2f0a032a6c604.exe
File created	C:\Windows\java.exe	7dd5fbf7098561bf4328cee5f9799cad2f3bc29dc4cada9f2bd2f0a032a6c604.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	7dd5fbf7098561bf4328cee5f9799cad2f3bc29dc4cada9f2bd2f0a032a6c604.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5040 wrote to memory of 4732	5040	7dd5fbf7098561bf4328cee5f9799cad2f3bc29dc4cada9f2bd2f0a032a6c604.exe	83
PID 5040 wrote to memory of 4732	5040	7dd5fbf7098561bf4328cee5f9799cad2f3bc29dc4cada9f2bd2f0a032a6c604.exe	83
PID 5040 wrote to memory of 4732	5040	7dd5fbf7098561bf4328cee5f9799cad2f3bc29dc4cada9f2bd2f0a032a6c604.exe	83

C:\Users\Admin\AppData\Local\Temp\7dd5fbf7098561bf4328cee5f9799cad2f3bc29dc4cada9f2bd2f0a032a6c604.exe
"C:\Users\Admin\AppData\Local\Temp\7dd5fbf7098561bf4328cee5f9799cad2f3bc29dc4cada9f2bd2f0a032a6c604.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5040
- 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:4732

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\Microsoft\Windows\INetCache\IE\HA5FC889\search[2].htm

Filesize
25B

MD5
8ba61a16b71609a08bfa35bc213fce49

SHA1
8374dddcc6b2ede14b0ea00a5870a11b57ced33f

SHA256
6aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1

SHA512
5855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpDC05.tmp

Filesize
29KB

MD5
39716bd534eeb7371e3e98b5a81a6aad

SHA1
e187c266087c26783daeb6c0c306f8d1c1c46bab

SHA256
41e8f4fe8e54f22389e46cf7375f920c55ae3c66c1c19248c211a8c8a349bf99

SHA512
fecd7a2d9975ebb83af01c13e8406effaf9fbe805f519fbb1afd4509cbe32dc4cb442f83f36836512bd7526e767e4ed52fa27b3fccd2297b1544f36856a51771

Download Submit
C:\Users\Admin\AppData\Local\Temp\zincite.log

Filesize
352B

MD5
4b9dbb67c616f04b5060ae1641f7db14

SHA1
7007855c4b10fd7234fe004af83166ed73c649ad

SHA256
fc76da9f9de0f5054e02d7eab17551ab332d96aaddba993551086d59da3c0283

SHA512
02f4117b0ed013eee7f9c94237ff877ec4ae8b67ab0bbdca7716c0264c7846bb3734bd50317ea4f168325a3de78b0f263ce08277db8fc1c81819cd61ce2b1221

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/4732-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4732-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4732-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4732-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4732-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4732-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4732-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4732-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4732-156-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4732-134-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4732-7-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4732-50-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4732-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5040-13-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/5040-49-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/5040-128-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/5040-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/5040-155-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/5040-44-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads