mydoom | 77cbd723747556ea31fe648b45c6a52d289b3b3588a9dfbbac6be165a5f06aba

General

Target

77cbd723747556ea31fe648b45c6a52d289b3b3588a9dfbbac6be165a5f06aba.exe
Size

29KB
MD5

a3dd155f8c677c43fb85acfd5e2b4d64
SHA1

18e949c4b243c75e2707f6dfd38b37dd05adb2ab
SHA256

77cbd723747556ea31fe648b45c6a52d289b3b3588a9dfbbac6be165a5f06aba
SHA512

abaf2ec8d5bc2b026966c4532835d563a703d4a9a4be6eee32451aec4914143c932447abdcae7d397a1a151694c2fc17b2c4298cfef3b034f5b94084d41b8434
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Vhp:AEwVs+0jNDY1qi/qtT

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 4 IoCs

resource	yara_rule
behavioral1/memory/2672-17-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2672-62-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2672-86-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2672-90-0x0000000000500000-0x0000000000510200-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
2724	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"	77cbd723747556ea31fe648b45c6a52d289b3b3588a9dfbbac6be165a5f06aba.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

resource	yara_rule
behavioral1/memory/2672-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/files/0x0008000000015689-6.dat	upx
behavioral1/memory/2724-11-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2672-17-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2672-18-0x0000000000220000-0x0000000000228000-memory.dmp	upx
behavioral1/memory/2724-20-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2724-22-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2724-27-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2724-32-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2724-34-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2724-39-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2724-44-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2724-46-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2724-51-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2724-56-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2724-58-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2724-63-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2672-62-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2724-68-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0008000000015ccf-78.dat	upx
behavioral1/memory/2724-87-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2672-86-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2672-90-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2724-91-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\java.exe	77cbd723747556ea31fe648b45c6a52d289b3b3588a9dfbbac6be165a5f06aba.exe
File created	C:\Windows\java.exe	77cbd723747556ea31fe648b45c6a52d289b3b3588a9dfbbac6be165a5f06aba.exe
File created	C:\Windows\services.exe	77cbd723747556ea31fe648b45c6a52d289b3b3588a9dfbbac6be165a5f06aba.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	77cbd723747556ea31fe648b45c6a52d289b3b3588a9dfbbac6be165a5f06aba.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2672 wrote to memory of 2724	2672	77cbd723747556ea31fe648b45c6a52d289b3b3588a9dfbbac6be165a5f06aba.exe	30
PID 2672 wrote to memory of 2724	2672	77cbd723747556ea31fe648b45c6a52d289b3b3588a9dfbbac6be165a5f06aba.exe	30
PID 2672 wrote to memory of 2724	2672	77cbd723747556ea31fe648b45c6a52d289b3b3588a9dfbbac6be165a5f06aba.exe	30
PID 2672 wrote to memory of 2724	2672	77cbd723747556ea31fe648b45c6a52d289b3b3588a9dfbbac6be165a5f06aba.exe	30

C:\Users\Admin\AppData\Local\Temp\77cbd723747556ea31fe648b45c6a52d289b3b3588a9dfbbac6be165a5f06aba.exe
"C:\Users\Admin\AppData\Local\Temp\77cbd723747556ea31fe648b45c6a52d289b3b3588a9dfbbac6be165a5f06aba.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2672
- 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:2724

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\tmp5D01.tmp

Filesize
29KB

MD5
64ec2bd76ea241a65e48295418971a78

SHA1
1d097d1200051d068514b910724d15ec7704af94

SHA256
c3faded653915dd103210c0e7178dcef816587f4770a3db1bf630569d3c3752d

SHA512
74f5b32175b8668014264e42720783f4a8ee1383bb23ec92a0cfc1d2985403251c5f75fb1a7eef50af851158be2032c629b690e4ac08227a8a864a10f94e30ed

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

Filesize
320B

MD5
eff83b2cb6b10a53c006192db75214f8

SHA1
60c45ee97e0dfa2f94977c6b8f3bc78f3fdcaf92

SHA256
23b2ac514498ed40cf40540f85004aeb266c573ea1e929921eb89eade409ea0a

SHA512
a2e5c61d246842188f57b626394dc79dc9ffb0b0a6f07caa031a33a4b9250f7cea33c0ad4c3887bbafe152c9bba9ad734c1c3d71b37d4ec5ed575418052a9350

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/2672-62-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2672-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2672-17-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2672-18-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/2672-19-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/2672-90-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2672-86-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2672-9-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/2672-10-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/2724-27-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2724-63-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2724-44-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2724-46-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2724-51-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2724-56-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2724-58-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2724-39-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2724-34-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2724-68-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2724-32-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2724-11-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2724-87-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2724-22-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2724-20-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2724-91-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads