mydoom | 21a565658741c7ee34924b761cbf5ed64a919e4b6ffe8d009a2f3a9d564d2fb3

General

Target

21a565658741c7ee34924b761cbf5ed64a919e4b6ffe8d009a2f3a9d564d2fb3.exe
Size

29KB
MD5

b8f02c09a0bf39f7227fe82419e07d17
SHA1

dcd77158360e3ecc5f136091948c2d5764d822c6
SHA256

21a565658741c7ee34924b761cbf5ed64a919e4b6ffe8d009a2f3a9d564d2fb3
SHA512

e61cdc0bbd378aad17e0553c99ba55c044b77d4588cb7007d23e4c2b5b3cd34b1c64fbfb1c29e15e3cb3b8514bcba643148fcafe9895fbde788ce662972d7853
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/gS:AEwVs+0jNDY1qi/qX

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 5 IoCs

resource	yara_rule
behavioral1/memory/2828-17-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2828-49-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2828-54-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2828-70-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2828-74-0x0000000000500000-0x0000000000510200-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
2864	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"	21a565658741c7ee34924b761cbf5ed64a919e4b6ffe8d009a2f3a9d564d2fb3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

UPX packed file 22 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2828-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2828-4-0x0000000000270000-0x0000000000278000-memory.dmp	upx
behavioral1/files/0x000700000001878d-7.dat	upx
behavioral1/memory/2864-11-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2828-17-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2864-20-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2864-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2864-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2864-31-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2864-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2864-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2864-43-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2864-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2828-49-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2864-50-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2828-54-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2864-55-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x003e000000018662-65.dat	upx
behavioral1/memory/2828-70-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2864-71-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2828-74-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2864-75-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	21a565658741c7ee34924b761cbf5ed64a919e4b6ffe8d009a2f3a9d564d2fb3.exe
File opened for modification	C:\Windows\java.exe	21a565658741c7ee34924b761cbf5ed64a919e4b6ffe8d009a2f3a9d564d2fb3.exe
File created	C:\Windows\java.exe	21a565658741c7ee34924b761cbf5ed64a919e4b6ffe8d009a2f3a9d564d2fb3.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	21a565658741c7ee34924b761cbf5ed64a919e4b6ffe8d009a2f3a9d564d2fb3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2828 wrote to memory of 2864	2828	21a565658741c7ee34924b761cbf5ed64a919e4b6ffe8d009a2f3a9d564d2fb3.exe	30
PID 2828 wrote to memory of 2864	2828	21a565658741c7ee34924b761cbf5ed64a919e4b6ffe8d009a2f3a9d564d2fb3.exe	30
PID 2828 wrote to memory of 2864	2828	21a565658741c7ee34924b761cbf5ed64a919e4b6ffe8d009a2f3a9d564d2fb3.exe	30
PID 2828 wrote to memory of 2864	2828	21a565658741c7ee34924b761cbf5ed64a919e4b6ffe8d009a2f3a9d564d2fb3.exe	30

C:\Users\Admin\AppData\Local\Temp\21a565658741c7ee34924b761cbf5ed64a919e4b6ffe8d009a2f3a9d564d2fb3.exe
"C:\Users\Admin\AppData\Local\Temp\21a565658741c7ee34924b761cbf5ed64a919e4b6ffe8d009a2f3a9d564d2fb3.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2828
- 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:2864

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\tmp73DB.tmp

Filesize
29KB

MD5
bf8d6335bac7ad8e828ab45268f4bd81

SHA1
fa1301fb6bdd5b799efdccb2bbe2b76da4b057c2

SHA256
5065b4e854d5fadd32eb22c498a972dbd52881a979fcc65a07fff3ccf9288b69

SHA512
e308621f211fafab5b86737858a5c1b1dca34cb6315845e43bf01cd2fba2c040fd1b806ec4a98973967554d014bdb8d718316a4b0beecad2f9c6f4a79bdf16ee

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

Filesize
352B

MD5
fcbe402ab7b3a69dead8f4dc55c7b14d

SHA1
f78dc6ac2b042ec6d2b622d791aad14109245bd6

SHA256
465de918c488e4c32f8a3b837df00414e094aeeb2b640db1d632666c025ddb63

SHA512
71f010bb518317ceda3e4a0373b52ecf4bdc91f0988fbac5a6091cd39115e9f6dbd46f57c525108af073fd22e0b057afacd05512810e87e65679954ae6b9ff67

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/2828-54-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2828-49-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2828-17-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2828-18-0x0000000000270000-0x0000000000278000-memory.dmp

Filesize
32KB

Download
memory/2828-74-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2828-70-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2828-4-0x0000000000270000-0x0000000000278000-memory.dmp

Filesize
32KB

Download
memory/2828-9-0x0000000000270000-0x0000000000278000-memory.dmp

Filesize
32KB

Download
memory/2828-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2864-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2864-43-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2864-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2864-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2864-50-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2864-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2864-55-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2864-31-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2864-11-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2864-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2864-71-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2864-20-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2864-75-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads