mydoom | 4637fde7bc2e84f0269992ae70cab636f7a66e15f8895d4971518401bc09ebb1

General

Target

4637fde7bc2e84f0269992ae70cab636f7a66e15f8895d4971518401bc09ebb1.exe
Size

29KB
MD5

e64068443422c108bf1018262563acdb
SHA1

5e5114af50ef76f2c7fd36e009d85fda24406638
SHA256

4637fde7bc2e84f0269992ae70cab636f7a66e15f8895d4971518401bc09ebb1
SHA512

cc90367b487df6e5330284216df60252b576012cdd100f8ad496dd625439b28637e3cc1cc8f6549d6c35031147ed2109201b7b54b336d32921fe270df981f449
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/jh+:AEwVs+0jNDY1qi/qLQ

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 5 IoCs

resource	yara_rule
behavioral1/memory/2108-16-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2108-52-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2108-73-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2108-77-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2108-79-0x0000000000500000-0x0000000000510200-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
2148	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"	4637fde7bc2e84f0269992ae70cab636f7a66e15f8895d4971518401bc09ebb1.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

resource	yara_rule
behavioral1/memory/2108-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2108-4-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0008000000015fc4-7.dat	upx
behavioral1/memory/2108-9-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2108-16-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2148-18-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2148-19-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2148-24-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2148-29-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2148-31-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2148-36-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2148-41-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2148-43-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2148-48-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2108-52-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2148-53-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2148-55-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x000800000001650a-68.dat	upx
behavioral1/memory/2108-73-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2148-74-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2108-77-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2148-78-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2108-79-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2148-80-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2148-85-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	4637fde7bc2e84f0269992ae70cab636f7a66e15f8895d4971518401bc09ebb1.exe
File opened for modification	C:\Windows\java.exe	4637fde7bc2e84f0269992ae70cab636f7a66e15f8895d4971518401bc09ebb1.exe
File created	C:\Windows\java.exe	4637fde7bc2e84f0269992ae70cab636f7a66e15f8895d4971518401bc09ebb1.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	4637fde7bc2e84f0269992ae70cab636f7a66e15f8895d4971518401bc09ebb1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2108 wrote to memory of 2148	2108	4637fde7bc2e84f0269992ae70cab636f7a66e15f8895d4971518401bc09ebb1.exe	30
PID 2108 wrote to memory of 2148	2108	4637fde7bc2e84f0269992ae70cab636f7a66e15f8895d4971518401bc09ebb1.exe	30
PID 2108 wrote to memory of 2148	2108	4637fde7bc2e84f0269992ae70cab636f7a66e15f8895d4971518401bc09ebb1.exe	30
PID 2108 wrote to memory of 2148	2108	4637fde7bc2e84f0269992ae70cab636f7a66e15f8895d4971518401bc09ebb1.exe	30

C:\Users\Admin\AppData\Local\Temp\4637fde7bc2e84f0269992ae70cab636f7a66e15f8895d4971518401bc09ebb1.exe
"C:\Users\Admin\AppData\Local\Temp\4637fde7bc2e84f0269992ae70cab636f7a66e15f8895d4971518401bc09ebb1.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2108
- 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:2148

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\tmp5B5B.tmp

Filesize
29KB

MD5
39ad74210a25420b79d48c28d1355b9a

SHA1
85fd4f7d286d8486f930b06af9a68c1c9a267dee

SHA256
191c2135f9d2c845d561bf3aaf050fc30ac7f5042dd8fe6e0b7d9aacc5564d58

SHA512
62b1253c563a0cdbbe7a48af1dd67d0e2631d36f8165b0f353d3b64d9304a5c245c942bb6aa3352eec2c611db5880ace8f22095c13e90748aa1ed8423f273a1c

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

Filesize
320B

MD5
b0bc33e47202fc44881f147364370432

SHA1
6c2f48a343f7c8877d4b94510171a187a4a83591

SHA256
901da8d630dc3ad01eba833c06c67b647c962b944136be13d7af92af8917e706

SHA512
4ea896a064d60a44251416ad8f219253baa681e019865280129130046816bd284a274f7dc92e50e6ba8b25699bed6d0e35bd6e9b4de9e9510293c4dd51b7fdf2

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/2108-52-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2108-4-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2108-9-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2108-16-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2108-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2108-79-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2108-77-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2108-73-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2148-18-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2148-31-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2148-48-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2148-41-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2148-53-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2148-55-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2148-36-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2148-43-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2148-29-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2148-74-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2148-24-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2148-78-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2148-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2148-80-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2148-85-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads