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
behavioral1/memory/348-16-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/348-54-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/348-78-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/348-82-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/348-84-0x0000000000500000-0x0000000000510200-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
2496	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 25 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/348-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/files/0x0008000000015d6d-6.dat	upx
behavioral1/memory/348-8-0x0000000000220000-0x0000000000228000-memory.dmp	upx
behavioral1/memory/348-16-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/348-17-0x0000000000220000-0x0000000000228000-memory.dmp	upx
behavioral1/memory/2496-20-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2496-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2496-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2496-31-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2496-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2496-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2496-43-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2496-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2496-50-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/348-54-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2496-55-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2496-57-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0007000000015e25-65.dat	upx
behavioral1/memory/348-78-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2496-79-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/348-82-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2496-83-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/348-84-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2496-85-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2496-90-0x0000000000400000-0x0000000000408000-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:

services.exe21739125339f19e138c8b5549c5eb98a7ca3779960b072e6d08d0104e245494d.exe

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

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

21739125339f19e138c8b5549c5eb98a7ca3779960b072e6d08d0104e245494d.exe

description	pid	Process	procid_target
PID 348 wrote to memory of 2496	348	21739125339f19e138c8b5549c5eb98a7ca3779960b072e6d08d0104e245494d.exe	30
PID 348 wrote to memory of 2496	348	21739125339f19e138c8b5549c5eb98a7ca3779960b072e6d08d0104e245494d.exe	30
PID 348 wrote to memory of 2496	348	21739125339f19e138c8b5549c5eb98a7ca3779960b072e6d08d0104e245494d.exe	30
PID 348 wrote to memory of 2496	348	21739125339f19e138c8b5549c5eb98a7ca3779960b072e6d08d0104e245494d.exe	30

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:348
- 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:2496

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\Temp\tmp54C5.tmp

Filesize
29KB

MD5
ee34ac3515bc91cb25a83c4f3344f6ac

SHA1
71ea037ee279ed8771237b4f9524a394812d95ca

SHA256
78fe99418d193bedddf80602d305c6b704a3f8085c4c1e8ab5111ed6412cc1bc

SHA512
064ef7542a605ad402d1e0b14cba58188bc7eec9afd57c78f4d2512c5b50295a449b1bd217735e8d9dd2fb24ddb94b02b76f2e2402a88401bf6e478786cbc03d

Download Submit
C:\Users\Admin\AppData\Local\Temp\vuqnx9bEaF.log

Filesize
320B

MD5
44517db383b8334b73096ab8931df275

SHA1
612eded00088ff4f187804e64c565a983c223ece

SHA256
4483769070af0b05a97e12e48dddf18ef7c6f2838210e9001e4ab1c28197eaa2

SHA512
95121020e9d5749f0981600c9f15a4f9431fe74a7eabce46acdf35f96a830078b2d75434c07a6784ad083239491c50370400a4713ed9663d54dd1e5c6828f2f2

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
63881e1b533abeb906a882a333c0fed2

SHA1
73b78d0ceab185e77e68d1d75d554230b94e4a2f

SHA256
f5974bc59f168dd97698193f8c88426fdbd96e66021c2bde0014b2eae50fc475

SHA512
6e8907a39101c874a85fe113525de320768d0a82848e9d92fd03ea7bb8f58403472e5efe94daf3e5e550cbbe122c5646176b5f45ec0a8658348e3c23495d7f21

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/348-18-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/348-16-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/348-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/348-84-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/348-82-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/348-78-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/348-9-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/348-17-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/348-8-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/348-54-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2496-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2496-31-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2496-50-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2496-43-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2496-55-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2496-57-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2496-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2496-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2496-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2496-79-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2496-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2496-83-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2496-20-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2496-85-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2496-90-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads