mydoom | 837605c6789a8b3681f1c8958078dc1f261b35d3f1ec9dcae27901abbedbf8d6

General

Target

837605c6789a8b3681f1c8958078dc1f261b35d3f1ec9dcae27901abbedbf8d6.exe
Size

29KB
MD5

f9d9b405b1c7c67fb9ccd977dfd25077
SHA1

f2fdd9f1d11398a69e119fb14a93aaf1deb03059
SHA256

837605c6789a8b3681f1c8958078dc1f261b35d3f1ec9dcae27901abbedbf8d6
SHA512

03cacec37996b9052361fbf11c6215a9d34867bd5fb65cecf8f8125d568013d19eb14890d3ce7b7347e8323bdabfb3c81d8698ba07c1a08bb5ec834434f1cae2
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/z:AEwVs+0jNDY1qi/qL

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 5 IoCs

resource	yara_rule
behavioral2/memory/4668-13-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4668-44-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4668-49-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4668-136-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4668-163-0x0000000000500000-0x0000000000510200-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
1952	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"	837605c6789a8b3681f1c8958078dc1f261b35d3f1ec9dcae27901abbedbf8d6.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/4668-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/files/0x0008000000023c8c-4.dat	upx
behavioral2/memory/1952-5-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4668-13-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/1952-15-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1952-16-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1952-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1952-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1952-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1952-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1952-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1952-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4668-44-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/1952-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4668-49-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/1952-50-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/files/0x0004000000000705-60.dat	upx
behavioral2/memory/4668-136-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/1952-137-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4668-163-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/1952-164-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\java.exe	837605c6789a8b3681f1c8958078dc1f261b35d3f1ec9dcae27901abbedbf8d6.exe
File created	C:\Windows\services.exe	837605c6789a8b3681f1c8958078dc1f261b35d3f1ec9dcae27901abbedbf8d6.exe
File opened for modification	C:\Windows\java.exe	837605c6789a8b3681f1c8958078dc1f261b35d3f1ec9dcae27901abbedbf8d6.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	837605c6789a8b3681f1c8958078dc1f261b35d3f1ec9dcae27901abbedbf8d6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4668 wrote to memory of 1952	4668	837605c6789a8b3681f1c8958078dc1f261b35d3f1ec9dcae27901abbedbf8d6.exe	83
PID 4668 wrote to memory of 1952	4668	837605c6789a8b3681f1c8958078dc1f261b35d3f1ec9dcae27901abbedbf8d6.exe	83
PID 4668 wrote to memory of 1952	4668	837605c6789a8b3681f1c8958078dc1f261b35d3f1ec9dcae27901abbedbf8d6.exe	83

C:\Users\Admin\AppData\Local\Temp\837605c6789a8b3681f1c8958078dc1f261b35d3f1ec9dcae27901abbedbf8d6.exe
"C:\Users\Admin\AppData\Local\Temp\837605c6789a8b3681f1c8958078dc1f261b35d3f1ec9dcae27901abbedbf8d6.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4668
- 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:1952

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\9IEW0KLU\search[1].htm

Filesize
25B

MD5
8ba61a16b71609a08bfa35bc213fce49

SHA1
8374dddcc6b2ede14b0ea00a5870a11b57ced33f

SHA256
6aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1

SHA512
5855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp4399.tmp

Filesize
29KB

MD5
555302f07a9f53f5f2151f1aaefe2e49

SHA1
48758af7b5c4ded1972a57dd185bfdb0aae68134

SHA256
41de1b9a3223ceb9664901fcfb80294d75c1dc8db0e0807e33bee146abb5164c

SHA512
23c1ed2578532269bfeef303d9144bd1d50637bb7b84b636aadd776d17bd1f688fe6839c24fee1acb92d81a692214aaf04c875b458aa872f145ff13b8ae950f6

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

Filesize
320B

MD5
0095944c044edcee5da3fc4467e55c93

SHA1
d3a01bc345f6af511cedadc73b6248daf40987b4

SHA256
56692f7020e752b445c3aebd33eca0240cf586cdf603b190765ff55e61df856f

SHA512
e5090daab40067cdd2f7197c31f6f9c6aac4a412e016d3dc2fc8688d626c5436d175124974abb9f4cae1f9e75e2f30a7ebf55b41764e9fd9033561fe116882f0

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/1952-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1952-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1952-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1952-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1952-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1952-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1952-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1952-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1952-164-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1952-137-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1952-5-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1952-50-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1952-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4668-13-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4668-49-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4668-136-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4668-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4668-163-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4668-44-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads