mydoom | 21739125339f19e138c8b5549c5eb98a7ca3779960b072e6d08d0104e245494d

General

Target

21739125339f19e138c8b5549c5eb98a7ca3779960b072e6d08d0104e245494d.exe
Size

29KB
MD5

07ba0c4cfd1bdbd41857e2066aeee432
SHA1

a5b9824647acd55777af9594a231fa6d417b553e
SHA256

21739125339f19e138c8b5549c5eb98a7ca3779960b072e6d08d0104e245494d
SHA512

c099487b9462b3dffcf220d0008ed022a2514b1c0bec6193daa2f0ac2508305a996f10fe80f4a1d576217d02ad5f8a7ac08c9b68be53a8540d3962e7b048d789
SSDEEP

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

Score

10^/10

mydoom discovery persistence upx worm

Malware Config

Signatures

Detects MyDoom family 5 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1524-13-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/1524-56-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/1524-61-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/1524-158-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/1524-177-0x0000000000500000-0x0000000000510200-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
2356	services.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

21739125339f19e138c8b5549c5eb98a7ca3779960b072e6d08d0104e245494d.exeservices.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe"	21739125339f19e138c8b5549c5eb98a7ca3779960b072e6d08d0104e245494d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

UPX packed file 24 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/1524-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/files/0x000a000000023cad-7.dat	upx
behavioral2/memory/2356-5-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1524-13-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/2356-16-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2356-15-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2356-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2356-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2356-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2356-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2356-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2356-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2356-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2356-50-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2356-52-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1524-56-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/2356-57-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1524-61-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/files/0x00040000000006df-71.dat	upx
behavioral2/memory/2356-76-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1524-158-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/2356-159-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1524-177-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/2356-178-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

Processes:

21739125339f19e138c8b5549c5eb98a7ca3779960b072e6d08d0104e245494d.exe

description	ioc	Process
File opened for modification	C:\Windows\java.exe	21739125339f19e138c8b5549c5eb98a7ca3779960b072e6d08d0104e245494d.exe
File created	C:\Windows\java.exe	21739125339f19e138c8b5549c5eb98a7ca3779960b072e6d08d0104e245494d.exe
File created	C:\Windows\services.exe	21739125339f19e138c8b5549c5eb98a7ca3779960b072e6d08d0104e245494d.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:

21739125339f19e138c8b5549c5eb98a7ca3779960b072e6d08d0104e245494d.exeservices.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	21739125339f19e138c8b5549c5eb98a7ca3779960b072e6d08d0104e245494d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

21739125339f19e138c8b5549c5eb98a7ca3779960b072e6d08d0104e245494d.exe

description	pid	Process	procid_target
PID 1524 wrote to memory of 2356	1524	21739125339f19e138c8b5549c5eb98a7ca3779960b072e6d08d0104e245494d.exe	83
PID 1524 wrote to memory of 2356	1524	21739125339f19e138c8b5549c5eb98a7ca3779960b072e6d08d0104e245494d.exe	83
PID 1524 wrote to memory of 2356	1524	21739125339f19e138c8b5549c5eb98a7ca3779960b072e6d08d0104e245494d.exe	83

C:\Users\Admin\AppData\Local\Temp\21739125339f19e138c8b5549c5eb98a7ca3779960b072e6d08d0104e245494d.exe
"C:\Users\Admin\AppData\Local\Temp\21739125339f19e138c8b5549c5eb98a7ca3779960b072e6d08d0104e245494d.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1524
- 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:2356

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\6IJLDY7V\search[2].htm

Filesize
25B

MD5
8ba61a16b71609a08bfa35bc213fce49

SHA1
8374dddcc6b2ede14b0ea00a5870a11b57ced33f

SHA256
6aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1

SHA512
5855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1

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

Filesize
320B

MD5
bd75fe01468e70facd6cb35ae72e9d56

SHA1
f9cc85caafa9dfd7a361d9d22871bc9442097ed2

SHA256
f1ba7e1aa3432d38421e29dcecd5e00094cd4ff69df8b93530489730a3abc819

SHA512
92cd7b10ef2c74460ec51c48db8c3292c6c053023ed55440de2336f67d921420da0561d13c60123444f112c229c20b10e034699a6d07d8538331cea9bc87e9f9

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpAD30.tmp

Filesize
29KB

MD5
17e95457122ce4c1a7dccf9eaecc0336

SHA1
3f2ba674fac661d539881a2ba025f6c6282842f4

SHA256
6624062f11a18508c60739b0c9a2b842fac497c55d3dc579d52808d6e616cd02

SHA512
b9235859b3d22463d8541c342025dd873e7a16f800da752f446928569edd4c5e65fe1929bb578a78c0b755c23d8e52048d445cc69681cb217165b4f4ada01424

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

Filesize
352B

MD5
15b40924b627b198e37f3da4ab22e034

SHA1
93635ca7276566877d0e9666f66433ec6554889e

SHA256
86f101eaa9e8e370aebf795abdac673169c82b63b410605bb039ef12b78d09b2

SHA512
ac969ce369fe0439b51a32d634670efd7cde207f2a6069c5748cb64657789d39b80b602ec6066cb8206c3a9708992f625f9f1fff3d36360fb0fe3e6cefcce14c

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/1524-177-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1524-13-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1524-158-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1524-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1524-61-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1524-56-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2356-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2356-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2356-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2356-50-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2356-52-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2356-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2356-57-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2356-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2356-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2356-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2356-76-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2356-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2356-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2356-159-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2356-5-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2356-178-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads