mydoom | 404c540b6d62a3cb18d1672407e703f5cd738eb0966465376ee47a608374a4b3

General

Target

404c540b6d62a3cb18d1672407e703f5cd738eb0966465376ee47a608374a4b3N.exe
Size

29KB
MD5

36fad14b567a5119ff0517a52ef1f290
SHA1

965753471ea20e7e628bce5c3541bc909f721422
SHA256

404c540b6d62a3cb18d1672407e703f5cd738eb0966465376ee47a608374a4b3
SHA512

1f049cc6b93aa579578cbe6be6826735f69d049bdf19bdec0af4914baeb20bf59a6005440c3d45e0137c5e54160ee9d1457e2c3e570e232bec886795ee36c567
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/r:AEwVs+0jNDY1qi/qj

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 4 IoCs

resource	yara_rule
behavioral2/memory/2336-13-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/2336-49-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/2336-135-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/2336-139-0x0000000000500000-0x0000000000510200-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
2176	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"	404c540b6d62a3cb18d1672407e703f5cd738eb0966465376ee47a608374a4b3N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2336-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/2176-5-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/files/0x000a000000023c71-4.dat	upx
behavioral2/memory/2336-13-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/2176-15-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2176-16-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2176-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2176-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2176-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2176-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2176-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2176-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2176-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2336-49-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/2176-50-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/files/0x0003000000000703-55.dat	upx
behavioral2/memory/2336-135-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/2176-136-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2336-139-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/2176-140-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	404c540b6d62a3cb18d1672407e703f5cd738eb0966465376ee47a608374a4b3N.exe
File opened for modification	C:\Windows\java.exe	404c540b6d62a3cb18d1672407e703f5cd738eb0966465376ee47a608374a4b3N.exe
File created	C:\Windows\java.exe	404c540b6d62a3cb18d1672407e703f5cd738eb0966465376ee47a608374a4b3N.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	404c540b6d62a3cb18d1672407e703f5cd738eb0966465376ee47a608374a4b3N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2336 wrote to memory of 2176	2336	404c540b6d62a3cb18d1672407e703f5cd738eb0966465376ee47a608374a4b3N.exe	82
PID 2336 wrote to memory of 2176	2336	404c540b6d62a3cb18d1672407e703f5cd738eb0966465376ee47a608374a4b3N.exe	82
PID 2336 wrote to memory of 2176	2336	404c540b6d62a3cb18d1672407e703f5cd738eb0966465376ee47a608374a4b3N.exe	82

C:\Users\Admin\AppData\Local\Temp\404c540b6d62a3cb18d1672407e703f5cd738eb0966465376ee47a608374a4b3N.exe
"C:\Users\Admin\AppData\Local\Temp\404c540b6d62a3cb18d1672407e703f5cd738eb0966465376ee47a608374a4b3N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2336
- 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:2176

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\tmpFE9F.tmp

Filesize
29KB

MD5
d3468448a2dff2eef523a8822b9bf28e

SHA1
9ada32fc6f47cf1ac7d87694bc4aa44cea4d6a34

SHA256
e6e7b95d9ac84c82c71858bf781be034f1049c2e6b9588f8217e5910231e4297

SHA512
4548ae336e54fe637ca407b62f40081c75e7c6dfa9a9aad05bee4ca845734757807a3096793bd0eb0ece8f0aade98d1848907d060b3b9397d4c98b6b57b8f66e

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

Filesize
320B

MD5
549712456dfbb105bc984225a2b60ce4

SHA1
85dec9aa83feacde42c40b52619cbef61455d21d

SHA256
5203071e62a7ba9fd8f23c1ebe547153249ac7a16d3656f2a5b0835831c81edb

SHA512
3a169ff449f4b15958525ecb379091021903f01db4e08d5017de8099950d008b2c34c010e5f87b2fedb66267766348046f0d62770f169bfadc0a6ca864010cc3

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/2176-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2176-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2176-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2176-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2176-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2176-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2176-140-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2176-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2176-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2176-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2176-136-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2176-50-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2176-5-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2336-13-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2336-135-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2336-49-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2336-139-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2336-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads