mydoom | b5686a59f355b7b56e2f55868fcf4db0d8fd8b181e7b083a18b1ddf498ce15b2

General

Target

b5686a59f355b7b56e2f55868fcf4db0d8fd8b181e7b083a18b1ddf498ce15b2N.exe
Size

29KB
MD5

d65daf876686675dfbef004fb2e54070
SHA1

56ab26bab512f4f99fd042b082fc01ac17d74410
SHA256

b5686a59f355b7b56e2f55868fcf4db0d8fd8b181e7b083a18b1ddf498ce15b2
SHA512

7229a1c3a1c99962d19c04116d117e51ffc3843f7113526bc33e2b96a759a0cfd7e50cec67425f6cd25baf0f6f57f6c269f1c837ae206ff211fe7461105a218f
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/mhQ:AEwVs+0jNDY1qi/qOm

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 5 IoCs

resource	yara_rule
behavioral2/memory/4300-13-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4300-39-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4300-124-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4300-171-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4300-173-0x0000000000500000-0x0000000000510200-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
428	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"	b5686a59f355b7b56e2f55868fcf4db0d8fd8b181e7b083a18b1ddf498ce15b2N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4300-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/428-5-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/files/0x000b000000023b75-4.dat	upx
behavioral2/memory/4300-13-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/428-15-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/428-16-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/428-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/428-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/428-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/428-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/428-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4300-39-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/428-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/files/0x0003000000021f51-56.dat	upx
behavioral2/memory/4300-124-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/428-125-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4300-171-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/428-172-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4300-173-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/428-174-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/428-179-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	b5686a59f355b7b56e2f55868fcf4db0d8fd8b181e7b083a18b1ddf498ce15b2N.exe
File opened for modification	C:\Windows\java.exe	b5686a59f355b7b56e2f55868fcf4db0d8fd8b181e7b083a18b1ddf498ce15b2N.exe
File created	C:\Windows\java.exe	b5686a59f355b7b56e2f55868fcf4db0d8fd8b181e7b083a18b1ddf498ce15b2N.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	b5686a59f355b7b56e2f55868fcf4db0d8fd8b181e7b083a18b1ddf498ce15b2N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4300 wrote to memory of 428	4300	b5686a59f355b7b56e2f55868fcf4db0d8fd8b181e7b083a18b1ddf498ce15b2N.exe	82
PID 4300 wrote to memory of 428	4300	b5686a59f355b7b56e2f55868fcf4db0d8fd8b181e7b083a18b1ddf498ce15b2N.exe	82
PID 4300 wrote to memory of 428	4300	b5686a59f355b7b56e2f55868fcf4db0d8fd8b181e7b083a18b1ddf498ce15b2N.exe	82

C:\Users\Admin\AppData\Local\Temp\b5686a59f355b7b56e2f55868fcf4db0d8fd8b181e7b083a18b1ddf498ce15b2N.exe
"C:\Users\Admin\AppData\Local\Temp\b5686a59f355b7b56e2f55868fcf4db0d8fd8b181e7b083a18b1ddf498ce15b2N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4300
- 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:428

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\Microsoft\Windows\INetCache\IE\TTJXD3SW\search[2].htm

Filesize
25B

MD5
8ba61a16b71609a08bfa35bc213fce49

SHA1
8374dddcc6b2ede14b0ea00a5870a11b57ced33f

SHA256
6aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1

SHA512
5855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA537.tmp

Filesize
29KB

MD5
6f71fb1450a0b972bc029cdc1d26e949

SHA1
f233a94bbd8a34cac7c7cf54cdc863c498ecfebc

SHA256
91af4ca587150778e6745a4fec220c01550273cc77ce93f9bd1f2403e48b69a5

SHA512
f2a6e46b801b28b2b3e7e5af228e8b8bee9695d5f295d8b99c3c506f4dad51392d25335a140a15e239c6819ec5b66c172de78cec98b9e40dca924dfe41a17c19

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

Filesize
320B

MD5
b6d03d20abede433f39608dca58b90ad

SHA1
a8f0ed81f34e71dee6b5cfb1b911b555db627a71

SHA256
8c8bf58579d39b14ccb6012f2eac52ccce8459cd4a7b77f53bc544440371d7b5

SHA512
8600e5f97f705bcd928835b2967f12f0b3f9e0f5b8522b86577a8ea42c174ada078025f914f36f25b72e96232aecbf225eb6f602537b1f9c7d55a1f771b41719

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/428-125-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/428-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/428-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/428-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/428-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/428-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/428-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/428-179-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/428-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/428-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/428-174-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/428-5-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/428-172-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4300-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4300-171-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4300-124-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4300-173-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4300-13-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4300-39-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads