mydoom | 31f4d4bc88d891b4ef490f7caf6e10135273b7a7cb464fd7c91e0777211f6f74

General

Target

31f4d4bc88d891b4ef490f7caf6e10135273b7a7cb464fd7c91e0777211f6f74N.exe
Size

29KB
MD5

b90b2697d039e2db1fcc54522b05a3e0
SHA1

41a83048c0a8263defdb61211008d4f709a23dbd
SHA256

31f4d4bc88d891b4ef490f7caf6e10135273b7a7cb464fd7c91e0777211f6f74
SHA512

83ab001ca6992d1be11b1c4a400ae38442321ae9f0afedeb564982f391c4bca6530ac944785c8dc53806874f9906bbf1967221ce73f7841d4098fc9d8797981a
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/w:AEwVs+0jNDY1qi/q4

Score

10^/10

mydoom discovery persistence upx worm

Malware Config

Signatures

Detects MyDoom family 5 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4032-13-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4032-39-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4032-113-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4032-154-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4032-156-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom

MyDoom
MyDoom is a Worm that is written in C++.
worm mydoom
Mydoom family
mydoom

Executes dropped EXE 1 IoCs

Processes:

services.exe

pid	Process
4284	services.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

31f4d4bc88d891b4ef490f7caf6e10135273b7a7cb464fd7c91e0777211f6f74N.exeservices.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe"	31f4d4bc88d891b4ef490f7caf6e10135273b7a7cb464fd7c91e0777211f6f74N.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

Processes:

resource	yara_rule
behavioral2/memory/4032-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/files/0x0008000000023c93-4.dat	upx
behavioral2/memory/4284-5-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4032-13-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4284-15-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4284-16-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4284-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4284-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4284-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4284-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4284-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4032-39-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4284-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/files/0x0003000000021ea9-53.dat	upx
behavioral2/memory/4032-113-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4284-114-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4032-154-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4284-155-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4032-156-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4284-157-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4284-162-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

Processes:

31f4d4bc88d891b4ef490f7caf6e10135273b7a7cb464fd7c91e0777211f6f74N.exe

description	ioc	Process
File created	C:\Windows\services.exe	31f4d4bc88d891b4ef490f7caf6e10135273b7a7cb464fd7c91e0777211f6f74N.exe
File opened for modification	C:\Windows\java.exe	31f4d4bc88d891b4ef490f7caf6e10135273b7a7cb464fd7c91e0777211f6f74N.exe
File created	C:\Windows\java.exe	31f4d4bc88d891b4ef490f7caf6e10135273b7a7cb464fd7c91e0777211f6f74N.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

Processes:

31f4d4bc88d891b4ef490f7caf6e10135273b7a7cb464fd7c91e0777211f6f74N.exeservices.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	31f4d4bc88d891b4ef490f7caf6e10135273b7a7cb464fd7c91e0777211f6f74N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

31f4d4bc88d891b4ef490f7caf6e10135273b7a7cb464fd7c91e0777211f6f74N.exe

description	pid	Process	procid_target
PID 4032 wrote to memory of 4284	4032	31f4d4bc88d891b4ef490f7caf6e10135273b7a7cb464fd7c91e0777211f6f74N.exe	85
PID 4032 wrote to memory of 4284	4032	31f4d4bc88d891b4ef490f7caf6e10135273b7a7cb464fd7c91e0777211f6f74N.exe	85
PID 4032 wrote to memory of 4284	4032	31f4d4bc88d891b4ef490f7caf6e10135273b7a7cb464fd7c91e0777211f6f74N.exe	85

C:\Users\Admin\AppData\Local\Temp\31f4d4bc88d891b4ef490f7caf6e10135273b7a7cb464fd7c91e0777211f6f74N.exe
"C:\Users\Admin\AppData\Local\Temp\31f4d4bc88d891b4ef490f7caf6e10135273b7a7cb464fd7c91e0777211f6f74N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4032
- 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:4284

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:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\9MFSIIMR\search[2].htm

Filesize
25B

MD5
8ba61a16b71609a08bfa35bc213fce49

SHA1
8374dddcc6b2ede14b0ea00a5870a11b57ced33f

SHA256
6aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1

SHA512
5855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp874.tmp

Filesize
29KB

MD5
8cce5f3e2874b3612369b1f628077c31

SHA1
67ae2d8b3b59574ae2dad546bb9b69deba38e26d

SHA256
6094417f5b840aabd48731aa0edd982a8113bcc7e77963584dcd9361dddb3b96

SHA512
7fc04c64d8ba57edc00b753346cb5b08f5495885f8b9937b7c403c56ea33634124d8f32e733135dbd6ad300b3caec81741702ddf8d3a9c962337c5058560461b

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

Filesize
320B

MD5
43682d4abd75d50334bdca99bf6c22bd

SHA1
24909b91ce09c7befa5d9ed08ec5cd046e9137e9

SHA256
60ada9fb0619bb8c3eb2fa1033ded7025e0e31e671d81d2bedd78f2b24040b6e

SHA512
69d60d834e312e61fc2c672889ad5de27febe2f512002e59f89efe7ba8fa9dda6a4e887d8806c6b2684a1811cf5ae89a6d000cd27cf831987c078355d2b70a96

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

MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/4032-39-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4032-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4032-156-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4032-154-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4032-113-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4032-13-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4284-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4284-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4284-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4284-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4284-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4284-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4284-114-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4284-5-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4284-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4284-155-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4284-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4284-157-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4284-162-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads