mydoom | 725fd08ca17a360141fb6653d93a9d20be483e9c3b273dc67dd56fc0bebd9e1b

General

Target

725fd08ca17a360141fb6653d93a9d20be483e9c3b273dc67dd56fc0bebd9e1bN.exe
Size

29KB
MD5

6ce8b5db50adcdf7b8e02c3934fa2fb0
SHA1

1ad06ad45e573d56011be26f2f84a19d58e35024
SHA256

725fd08ca17a360141fb6653d93a9d20be483e9c3b273dc67dd56fc0bebd9e1b
SHA512

669dfcee8ac545400d2fac5961001740ceb94c13cb7d4f47529e7529b45965af4960c24a8ac9d1fa52565aacf197673af2f5e95bd68ffb4ad69e9fc8e5ff3491
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/l3t:AEwVs+0jNDY1qi/qb

Score

10^/10

mydoom discovery persistence upx worm

Malware Config

Signatures

Detects MyDoom family 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/840-16-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/840-41-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/840-43-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/840-64-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/840-71-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/840-76-0x0000000000500000-0x0000000000510200-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

2124 services.exe

pid	process
2124	services.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

725fd08ca17a360141fb6653d93a9d20be483e9c3b273dc67dd56fc0bebd9e1bN.exeservices.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe"	725fd08ca17a360141fb6653d93a9d20be483e9c3b273dc67dd56fc0bebd9e1bN.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

UPX packed file 23 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/840-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/840-4-0x0000000000220000-0x0000000000228000-memory.dmp	upx
C:\Windows\services.exe	upx
behavioral1/memory/2124-10-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/840-16-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2124-19-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2124-20-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2124-25-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2124-30-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2124-32-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2124-37-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/840-41-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2124-42-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/840-43-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2124-44-0x0000000000400000-0x0000000000408000-memory.dmp	upx
C:\Users\Admin\AppData\Local\Temp\tmp4A4B.tmp	upx
behavioral1/memory/840-64-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2124-65-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2124-70-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/840-71-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2124-72-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/840-76-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2124-77-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

Processes:

725fd08ca17a360141fb6653d93a9d20be483e9c3b273dc67dd56fc0bebd9e1bN.exe

description	ioc	process
File created	C:\Windows\services.exe	725fd08ca17a360141fb6653d93a9d20be483e9c3b273dc67dd56fc0bebd9e1bN.exe
File opened for modification	C:\Windows\java.exe	725fd08ca17a360141fb6653d93a9d20be483e9c3b273dc67dd56fc0bebd9e1bN.exe
File created	C:\Windows\java.exe	725fd08ca17a360141fb6653d93a9d20be483e9c3b273dc67dd56fc0bebd9e1bN.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:

725fd08ca17a360141fb6653d93a9d20be483e9c3b273dc67dd56fc0bebd9e1bN.exeservices.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	725fd08ca17a360141fb6653d93a9d20be483e9c3b273dc67dd56fc0bebd9e1bN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

725fd08ca17a360141fb6653d93a9d20be483e9c3b273dc67dd56fc0bebd9e1bN.exe

description	pid	process	target process
PID 840 wrote to memory of 2124	840	725fd08ca17a360141fb6653d93a9d20be483e9c3b273dc67dd56fc0bebd9e1bN.exe	services.exe
PID 840 wrote to memory of 2124	840	725fd08ca17a360141fb6653d93a9d20be483e9c3b273dc67dd56fc0bebd9e1bN.exe	services.exe
PID 840 wrote to memory of 2124	840	725fd08ca17a360141fb6653d93a9d20be483e9c3b273dc67dd56fc0bebd9e1bN.exe	services.exe
PID 840 wrote to memory of 2124	840	725fd08ca17a360141fb6653d93a9d20be483e9c3b273dc67dd56fc0bebd9e1bN.exe	services.exe

C:\Users\Admin\AppData\Local\Temp\725fd08ca17a360141fb6653d93a9d20be483e9c3b273dc67dd56fc0bebd9e1bN.exe
"C:\Users\Admin\AppData\Local\Temp\725fd08ca17a360141fb6653d93a9d20be483e9c3b273dc67dd56fc0bebd9e1bN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:840
- 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:2124

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\Temp\tmp4A4B.tmp

Filesize
29KB

MD5
037a3da8c564ccafe37bff76b9c14e95

SHA1
a2f60a47de35f55c64bb3701e5999078cf02e4f5

SHA256
f05bd013d806018c3cb1662aa44908bf565563cffb6ebfe6ed35284582f40754

SHA512
05c1cf1d1c9e48b3e9cfa740e672257666663aa29dd7f8a98993644436fa802519030b653232393a3df6ebf60b8e29b3a6c3be2328ee39c000cc1c21e7a60fdc

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

MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

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

Filesize
352B

MD5
c38e50b20e5ed03d87c338acf4dfcefe

SHA1
93c2004adaac38771910de94bedc21432e172f0f

SHA256
eee25522f423d72b5dc81204f2c4e45b9309eab96a0ca84f76ff49d75091e8c4

SHA512
95ff86fc7cd1c559e4d6d2e8a070f2b5e7a6bc67f009bbd4d687ff49dac019ae707387713e5d749619435c9e9933809cf86df17360851d4dba5653f262efcae9

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/840-17-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/840-41-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/840-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/840-76-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/840-71-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/840-64-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/840-16-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/840-4-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/840-43-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2124-30-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2124-42-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2124-37-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2124-44-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2124-10-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2124-32-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2124-25-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2124-65-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2124-70-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2124-20-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2124-72-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2124-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2124-77-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads