mydoom | 8dc33620ecb461a527ff363b520a06b100f7f57ae77c52312dd200bcc0ba9375

General

Target

8dc33620ecb461a527ff363b520a06b100f7f57ae77c52312dd200bcc0ba9375N.exe
Size

29KB
MD5

37f98104b8802de537ec9413debe38c0
SHA1

8b4954ae17ac05349c48d272e1ee828dbdf75715
SHA256

8dc33620ecb461a527ff363b520a06b100f7f57ae77c52312dd200bcc0ba9375
SHA512

e5add7a89f454dc1f68fc21d678b4fd4d9e2fbd3667177af64a3ce8546d5b33c7a4234ded2ea9415f41b05d232c22521d824fe51936fcf946063cd0a4cd6a04b
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/P:AEwVs+0jNDY1qi/qn

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 5 IoCs

resource	yara_rule
behavioral2/memory/1804-13-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/1804-44-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/1804-114-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/1804-150-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/1804-154-0x0000000000500000-0x0000000000510200-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
4412	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"	8dc33620ecb461a527ff363b520a06b100f7f57ae77c52312dd200bcc0ba9375N.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/1804-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/files/0x0008000000023c92-4.dat	upx
behavioral2/memory/4412-5-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1804-13-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4412-15-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4412-16-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4412-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4412-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4412-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4412-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4412-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4412-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1804-44-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4412-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/files/0x00020000000220f4-50.dat	upx
behavioral2/memory/1804-114-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4412-115-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1804-150-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4412-151-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1804-154-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4412-155-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\java.exe	8dc33620ecb461a527ff363b520a06b100f7f57ae77c52312dd200bcc0ba9375N.exe
File created	C:\Windows\java.exe	8dc33620ecb461a527ff363b520a06b100f7f57ae77c52312dd200bcc0ba9375N.exe
File created	C:\Windows\services.exe	8dc33620ecb461a527ff363b520a06b100f7f57ae77c52312dd200bcc0ba9375N.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	8dc33620ecb461a527ff363b520a06b100f7f57ae77c52312dd200bcc0ba9375N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1804 wrote to memory of 4412	1804	8dc33620ecb461a527ff363b520a06b100f7f57ae77c52312dd200bcc0ba9375N.exe	84
PID 1804 wrote to memory of 4412	1804	8dc33620ecb461a527ff363b520a06b100f7f57ae77c52312dd200bcc0ba9375N.exe	84
PID 1804 wrote to memory of 4412	1804	8dc33620ecb461a527ff363b520a06b100f7f57ae77c52312dd200bcc0ba9375N.exe	84

C:\Users\Admin\AppData\Local\Temp\8dc33620ecb461a527ff363b520a06b100f7f57ae77c52312dd200bcc0ba9375N.exe
"C:\Users\Admin\AppData\Local\Temp\8dc33620ecb461a527ff363b520a06b100f7f57ae77c52312dd200bcc0ba9375N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1804
- 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:4412

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0GUUC90F\search[1].htm

Filesize
25B

MD5
8ba61a16b71609a08bfa35bc213fce49

SHA1
8374dddcc6b2ede14b0ea00a5870a11b57ced33f

SHA256
6aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1

SHA512
5855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpDED2.tmp

Filesize
29KB

MD5
2e771883b51fa8f26ce182225ff578c7

SHA1
eded70a33cfa1d7ea27f67d133f02b0fa2f9631d

SHA256
4abf2123e354ea0b236131fac9f453095326d58837e7c1bba65e809967da3609

SHA512
5f0edef70b4d57f42a964ee9c750f6a3404df1295d7edd6b8bbeb3a8968630cb69a02eafbc2fcffff78c33314bad75c32091084fe35e8ea1566445342034c8c9

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

Filesize
320B

MD5
af96ff20b7b45997c3ab83fc836e6510

SHA1
424c2548118c03a6d1e04d04732465f5dbc1662b

SHA256
8ba9b2359179b88a671733d43f316e6f3ea2ee0ce4b43b85b67d8ab176d9d192

SHA512
06294da0a2942bd62c8c2416138482f0cf8fb1394d5181f8c0998a5b63faf47fb2659127023b1df9f07294304be83affe86d32e61a9c9ee1614c62daa149dbb7

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

Filesize
320B

MD5
5268eda080a1e2518e4cf69a7805cca5

SHA1
42219ec19bfc210bc1f8e0859db5751658c47b2b

SHA256
0ccb3b0f9cb215156d78b10e9c078f1ac60ec54fcbec8923baa2750e2fce7c78

SHA512
947b7c83a52c0d047609c36baab80709e7c14eee3c329ee82d9b869be5d9cb22bb1a3ccee91becf890da96b652ba1fb29a67f75bcf8c4b63c42398d4080a005d

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

Filesize
320B

MD5
ef391a65f05514f371b87fbbc61873c6

SHA1
0b14c3b663e4cb9e3f0af6ccaf17d43daf9425e6

SHA256
1bf499cca76ad943b91c20925ecd574e2607d517b5c65707b06f06f814c2596c

SHA512
830037f749e89451a17cdeffaa4653f1e2fa05b4ae477a860c6b810c74069eaced1d954ade46e88ab1a038d185c471e4abe5d2ab22d8f4d07a96366fdd8cc810

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/1804-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1804-154-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1804-13-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1804-150-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1804-114-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1804-44-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4412-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4412-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4412-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4412-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4412-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4412-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4412-115-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4412-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4412-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4412-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4412-151-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4412-5-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4412-155-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads