mydoom | cb42cb0ab4623e01c973d76a320c62a73f7e8a0f67cdca8d423ac64182bda702

General

Target

cb42cb0ab4623e01c973d76a320c62a73f7e8a0f67cdca8d423ac64182bda702N.exe
Size

29KB
MD5

39820b8afa7858443c50db7ad567b790
SHA1

cb20bd6cacd1409a35ad9e6aa83916dac90239ed
SHA256

cb42cb0ab4623e01c973d76a320c62a73f7e8a0f67cdca8d423ac64182bda702
SHA512

2fc84136ad52c283bbb916705d366d905e34db608ac09f8081ce26943de7d30ef3d807a840a61ab3185100630bf6b7828eb3bcb0b3f6439be605e586655921eb
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/mS:AEwVs+0jNDY1qi/qR

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 4 IoCs

resource	yara_rule
behavioral2/memory/4748-13-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4748-49-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4748-51-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4748-136-0x0000000000500000-0x0000000000510200-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
3464	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"	cb42cb0ab4623e01c973d76a320c62a73f7e8a0f67cdca8d423ac64182bda702N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4748-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/files/0x000b000000023b6d-4.dat	upx
behavioral2/memory/3464-5-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4748-13-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/3464-15-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3464-16-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3464-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3464-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3464-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3464-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3464-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3464-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3464-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4748-49-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/3464-50-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4748-51-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/3464-52-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/files/0x0004000000000709-64.dat	upx
behavioral2/memory/4748-136-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/3464-140-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	cb42cb0ab4623e01c973d76a320c62a73f7e8a0f67cdca8d423ac64182bda702N.exe
File opened for modification	C:\Windows\java.exe	cb42cb0ab4623e01c973d76a320c62a73f7e8a0f67cdca8d423ac64182bda702N.exe
File created	C:\Windows\java.exe	cb42cb0ab4623e01c973d76a320c62a73f7e8a0f67cdca8d423ac64182bda702N.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	services.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cb42cb0ab4623e01c973d76a320c62a73f7e8a0f67cdca8d423ac64182bda702N.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4748 wrote to memory of 3464	4748	cb42cb0ab4623e01c973d76a320c62a73f7e8a0f67cdca8d423ac64182bda702N.exe	83
PID 4748 wrote to memory of 3464	4748	cb42cb0ab4623e01c973d76a320c62a73f7e8a0f67cdca8d423ac64182bda702N.exe	83
PID 4748 wrote to memory of 3464	4748	cb42cb0ab4623e01c973d76a320c62a73f7e8a0f67cdca8d423ac64182bda702N.exe	83

C:\Users\Admin\AppData\Local\Temp\cb42cb0ab4623e01c973d76a320c62a73f7e8a0f67cdca8d423ac64182bda702N.exe
"C:\Users\Admin\AppData\Local\Temp\cb42cb0ab4623e01c973d76a320c62a73f7e8a0f67cdca8d423ac64182bda702N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4748
- 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:3464

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\9MFSIIMR\search[1].htm

Filesize
25B

MD5
8ba61a16b71609a08bfa35bc213fce49

SHA1
8374dddcc6b2ede14b0ea00a5870a11b57ced33f

SHA256
6aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1

SHA512
5855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp2831.tmp

Filesize
29KB

MD5
4f1ecd556cb63c0a54c04d3624a08d9f

SHA1
edca6c7afd63f60a8a2384428ad072b425a241cb

SHA256
5a52b5736f90d8b80c31e065eb95e90bc3f783aaaa6cb6e57ef049836462f431

SHA512
217a8e383f13ff58a24d69796cb9e24bdb18c1d29d12961403c676c681af3ca36c40db0a7100d5063ac653802591ed5f86ce49f44ea5cbb53bae78703872e80f

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

Filesize
352B

MD5
eeed3890f593fac7bf6ca4ad3a48bc91

SHA1
37227fe6f041ffa5a0b3a771ff8d44a6d7a675f4

SHA256
eb4d5d3de38ce9fb4db25b71c4016116190d48cb2866b302cc1aa5baf0ca8bb8

SHA512
444c46eef6f9ac0c1033f1ce5d66b7fa13cbecd248eb68370a6c8b0dc48390c77818355363f9dfe68d9fb6396f559a508f82f75616c2edcb8b99ad6a04427bca

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

Filesize
352B

MD5
04a7aa2f320a76914b0733526f93c5d9

SHA1
3bf545ee19c9b977b544b5de8b750f84fa3bbe1f

SHA256
06c2520c494019ebbd8a5bdcb7707f8bf289fffff92bc5b89914947b1fa49425

SHA512
451af05c43903886fa95cdbc18eac50f0cef03aee4c694fc968b988907f528551a0bb11afdeea98299526a064f76f7c0102fb53dabe0e2c5c9e1922eaf42e3c1

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/3464-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3464-50-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3464-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3464-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3464-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3464-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3464-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3464-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3464-140-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3464-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3464-5-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3464-52-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3464-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4748-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4748-13-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4748-51-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4748-136-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4748-49-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads