mydoom | 3c1c6449752c6c0422e058122bb87c54e074e55a57980e3ce472d092c5bd7e90

General

Target

3c1c6449752c6c0422e058122bb87c54e074e55a57980e3ce472d092c5bd7e90N.exe
Size

29KB
MD5

1f700fc6502b1b6c9f65e27bc9f51ca0
SHA1

a02321202fc08ae3b35e901fdfe6cb043be43a12
SHA256

3c1c6449752c6c0422e058122bb87c54e074e55a57980e3ce472d092c5bd7e90
SHA512

bce1e1ccf1001c7c97cd4a9fa6738879e222f6c6dd17c24475783dde8b640f1b033cba1bae52dd09acb6ac379765bf34b03d042b4215cb85b2917e0d4704472e
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/whg:AEwVs+0jNDY1qi/q4i

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 3 IoCs

resource	yara_rule
behavioral2/memory/3964-13-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/3964-51-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/3964-56-0x0000000000500000-0x0000000000510200-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
2500	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"	3c1c6449752c6c0422e058122bb87c54e074e55a57980e3ce472d092c5bd7e90N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3964-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/files/0x000a000000023c24-4.dat	upx
behavioral2/memory/2500-7-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3964-13-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/2500-15-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2500-16-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2500-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2500-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2500-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2500-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2500-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2500-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2500-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2500-50-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3964-51-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/2500-52-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3964-56-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/2500-57-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/files/0x0003000000000705-62.dat	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	3c1c6449752c6c0422e058122bb87c54e074e55a57980e3ce472d092c5bd7e90N.exe
File opened for modification	C:\Windows\java.exe	3c1c6449752c6c0422e058122bb87c54e074e55a57980e3ce472d092c5bd7e90N.exe
File created	C:\Windows\java.exe	3c1c6449752c6c0422e058122bb87c54e074e55a57980e3ce472d092c5bd7e90N.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	services.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3c1c6449752c6c0422e058122bb87c54e074e55a57980e3ce472d092c5bd7e90N.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3964 wrote to memory of 2500	3964	3c1c6449752c6c0422e058122bb87c54e074e55a57980e3ce472d092c5bd7e90N.exe	83
PID 3964 wrote to memory of 2500	3964	3c1c6449752c6c0422e058122bb87c54e074e55a57980e3ce472d092c5bd7e90N.exe	83
PID 3964 wrote to memory of 2500	3964	3c1c6449752c6c0422e058122bb87c54e074e55a57980e3ce472d092c5bd7e90N.exe	83

C:\Users\Admin\AppData\Local\Temp\3c1c6449752c6c0422e058122bb87c54e074e55a57980e3ce472d092c5bd7e90N.exe
"C:\Users\Admin\AppData\Local\Temp\3c1c6449752c6c0422e058122bb87c54e074e55a57980e3ce472d092c5bd7e90N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3964
- 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:2500

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\VKYZDMA5\search[1].htm

Filesize
25B

MD5
8ba61a16b71609a08bfa35bc213fce49

SHA1
8374dddcc6b2ede14b0ea00a5870a11b57ced33f

SHA256
6aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1

SHA512
5855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp4646.tmp

Filesize
29KB

MD5
41deeb57049ecfabf4c9d14b28bd8143

SHA1
ef81681fcca0a34130c34a6cc4d5b5879db4b8b0

SHA256
ec3f3a70d7be313047c0a587cc96072248de1fb800d922bce5c1e839825b2a54

SHA512
0228cabc40f213d8474f3d33a6722736485e7535e765c18217d2ac547ed90b736037db9aee9552de8654ebb03126156d965d4a25fc6e18069ca0fe5b35216e51

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

Filesize
320B

MD5
8c38eeccf45f70c252bd7e9e0a96c525

SHA1
3838a243834be4d765efcc150fbfa42b13224035

SHA256
ca6637d2c256354d7cf7c7dc37e6b2660d92075fc5d91d2d097c4973506d02b1

SHA512
a8757fceb933504228dfe32983531ad62b08290c70ccc0999afd785eb89baa95a0f473cec3526bc53635597548c9a219d9415d9d4ff92ded76a97529510a07c9

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/2500-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2500-57-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2500-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2500-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2500-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2500-7-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2500-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2500-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2500-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2500-50-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2500-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2500-52-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2500-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3964-56-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/3964-51-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/3964-13-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/3964-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads