mydoom | 5851085fd7c81bbd629d3145500cbbea1d499b80a044b5f1f2a736f66d0dd69b

General

Target

Worm.Win32.Mydoom.exe
Size

41KB
MD5

b732c35773157dad9d09506d47577340
SHA1

76d64fff0f59b1bbcdba891fc4cf1dd851c462c0
SHA256

5851085fd7c81bbd629d3145500cbbea1d499b80a044b5f1f2a736f66d0dd69b
SHA512

b5600594bc4d012fa802d4e49d37da496a67c7c0193658031b65e3fdc72724fda6c86068a62f82bd063ee04fc812a9cf9cd5a550bf4cd72a761b33ce73d28940
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/6:AEwVs+0jNDY1qi/q

Score

10^/10

mydoom discovery persistence upx worm

Malware Config

Signatures

Detects MyDoom family 6 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2132-13-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/2132-37-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/2132-39-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/2132-135-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/2132-168-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/2132-175-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom

MyDoom
MyDoom is a Worm that is written in C++.
worm mydoom
Executes dropped EXE 1 IoCs

Processes:

services.exe

pid process

3132 services.exe

pid	process
3132	services.exe

UPX packed file 22 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/2132-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/3132-6-0x0000000000400000-0x0000000000408000-memory.dmp	upx
C:\Windows\services.exe	upx
behavioral2/memory/2132-13-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/3132-15-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3132-16-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3132-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3132-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3132-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3132-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2132-37-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/3132-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2132-39-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/3132-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
C:\Users\Admin\AppData\Local\Temp\tmpB1F8.tmp	upx
behavioral2/memory/2132-135-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/3132-136-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2132-168-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/3132-169-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3132-171-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2132-175-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/3132-176-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

services.exeWorm.Win32.Mydoom.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe"	Worm.Win32.Mydoom.exe

Drops file in Windows directory 3 IoCs

Processes:

Worm.Win32.Mydoom.exe

description	ioc	process
File opened for modification	C:\Windows\java.exe	Worm.Win32.Mydoom.exe
File created	C:\Windows\java.exe	Worm.Win32.Mydoom.exe
File created	C:\Windows\services.exe	Worm.Win32.Mydoom.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:

Worm.Win32.Mydoom.exeservices.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Worm.Win32.Mydoom.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

Worm.Win32.Mydoom.exe

description	pid	process	target process
PID 2132 wrote to memory of 3132	2132	Worm.Win32.Mydoom.exe	services.exe
PID 2132 wrote to memory of 3132	2132	Worm.Win32.Mydoom.exe	services.exe
PID 2132 wrote to memory of 3132	2132	Worm.Win32.Mydoom.exe	services.exe

C:\Users\Admin\AppData\Local\Temp\Worm.Win32.Mydoom.exe
"C:\Users\Admin\AppData\Local\Temp\Worm.Win32.Mydoom.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2132

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:3132

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\3HDB1LPD\search[1].htm

Filesize
25B

MD5
8ba61a16b71609a08bfa35bc213fce49

SHA1
8374dddcc6b2ede14b0ea00a5870a11b57ced33f

SHA256
6aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1

SHA512
5855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1

Download Submit
C:\Users\Admin\AppData\Local\Temp\gonilxgy8i.log

Filesize
160B

MD5
7a5fff05a6994e0b3c0d78723cf4b422

SHA1
76c8de482262e29847b6db8e4c2a283114aafd4c

SHA256
8b3ffaa680331191553a6e7b1e0ae5f007bba68a4f5275bb4f3f4313d6c9e455

SHA512
eda96b462e30f7f92d327841369614e06057507d1a80e04fe8ab5c8e234e43401a4908fd16bea516c55074449be328c3f4f35e77d5b4a72be3c8e89090619572

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpB1F8.tmp

Filesize
41KB

MD5
ba1211faadf8f054a450d280337cf0ce

SHA1
20efcd568405ad9c0e753697c2f6ee6430248a41

SHA256
7b73bb85b883a4c80523543fe6f6352580867e5970d36689ad3220bfff7d31ad

SHA512
d7f6bcf6460a8c6cc124d0618e7998a9c5179396a41f66f914c1bf7e60921ecd63eea45dd4cf38a5486395bed741e7940bb16190ac3a3ad21b8ff4e3a68c9e54

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

Filesize
192B

MD5
d87b75649ab94b97e9866b8dfbf088a1

SHA1
3e13142e99737abf7bf32a5592d80f1863fb12a5

SHA256
f15e7746d2586bdd2015e76291eb821b877d1a9cece52aa62fc4e9ee5247c258

SHA512
56bfc82f71a5cad438e8a435ed31592b8d3dcf9f700d1fbd32c9ca400d7e7c9c5a327436cb1d101bcaff6a018762e7282c9945bb0b1a2c116b526f38f1451bb1

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

Filesize
192B

MD5
ec5df05e600b5d9432302279e4c20177

SHA1
e13c873db7223155c8c42d2904eaba27c6b7a7fc

SHA256
779348bb03427b4f4815f71624dccafa1a735a4ac168034ee72408f517210f85

SHA512
8bf9ad5f44cf584fb52d28336c666dc545ef57bddd15765db15d656dfd35e26005090dba22b9621bce59ac4e65af5c5f03a2d00a9db63fb7b9fa8a8908c783ea

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

Filesize
192B

MD5
dea0fb93be280526bf14b5fec9a57f03

SHA1
2b0008a4fb29c562d04c9d0e32207382f554e9ac

SHA256
acee906d0ee7e8994469e5757b640b44963098886ddf4b0b6cbd644b81cebcd6

SHA512
a742c6f6cd178e1311148a64675b265cffb4c876295634a3fe3fb436cc3d250da94c0a18e919656120213940b1594c58cc0f2459dec762213f427fe09fd6c13b

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/2132-168-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2132-135-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2132-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2132-37-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2132-175-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2132-39-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2132-13-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/3132-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3132-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3132-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3132-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3132-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3132-136-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3132-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3132-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3132-169-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3132-171-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3132-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3132-176-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3132-6-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads