mydoom | 4231cbf6cfa7a3c534b8ed947f06b1e328e4e7ba3afd08b66f2a090bdf1031eb

General

Target

4231cbf6cfa7a3c534b8ed947f06b1e328e4e7ba3afd08b66f2a090bdf1031eb.exe
Size

29KB
MD5

b5c7d5422b91e3fedd1245db47e3f296
SHA1

f5877064b1d842ba9c9805302b47d585c36a2eef
SHA256

4231cbf6cfa7a3c534b8ed947f06b1e328e4e7ba3afd08b66f2a090bdf1031eb
SHA512

0b8cb108a74e11448777185e20804e6b550c00cdcf7f87a75bd7b5e5c76fafc9c5e0b71386af80d3b694b975b46291712203064b1f7d050264b2fc1a4c0b3e28
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Y:AEwVs+0jNDY1qi/qg

Score

10^/10

mydoom discovery persistence upx worm

Malware Config

Signatures

Detects MyDoom family 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2148-15-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2148-64-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2148-86-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2148-90-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom

MyDoom
MyDoom is a Worm that is written in C++.
worm mydoom
Mydoom family
mydoom
Executes dropped EXE 1 IoCs

Processes:

services.exe

pid process

2072 services.exe

pid	process
2072	services.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

services.exe4231cbf6cfa7a3c534b8ed947f06b1e328e4e7ba3afd08b66f2a090bdf1031eb.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe"	4231cbf6cfa7a3c534b8ed947f06b1e328e4e7ba3afd08b66f2a090bdf1031eb.exe

UPX packed file 23 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2148-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2148-4-0x0000000000400000-0x0000000000408000-memory.dmp	upx
C:\Windows\services.exe	upx
behavioral1/memory/2148-15-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2072-18-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2072-19-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2072-24-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2072-29-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2072-31-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2072-36-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2072-41-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2072-43-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2072-48-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2072-53-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2072-55-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2072-60-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2148-64-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2072-65-0x0000000000400000-0x0000000000408000-memory.dmp	upx
C:\Users\Admin\AppData\Local\Temp\tmpD0C9.tmp	upx
behavioral1/memory/2148-86-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2072-87-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2148-90-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2072-91-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

Processes:

4231cbf6cfa7a3c534b8ed947f06b1e328e4e7ba3afd08b66f2a090bdf1031eb.exe

description	ioc	process
File created	C:\Windows\services.exe	4231cbf6cfa7a3c534b8ed947f06b1e328e4e7ba3afd08b66f2a090bdf1031eb.exe
File opened for modification	C:\Windows\java.exe	4231cbf6cfa7a3c534b8ed947f06b1e328e4e7ba3afd08b66f2a090bdf1031eb.exe
File created	C:\Windows\java.exe	4231cbf6cfa7a3c534b8ed947f06b1e328e4e7ba3afd08b66f2a090bdf1031eb.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

Processes:

4231cbf6cfa7a3c534b8ed947f06b1e328e4e7ba3afd08b66f2a090bdf1031eb.exeservices.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4231cbf6cfa7a3c534b8ed947f06b1e328e4e7ba3afd08b66f2a090bdf1031eb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

4231cbf6cfa7a3c534b8ed947f06b1e328e4e7ba3afd08b66f2a090bdf1031eb.exe

description	pid	process	target process
PID 2148 wrote to memory of 2072	2148	4231cbf6cfa7a3c534b8ed947f06b1e328e4e7ba3afd08b66f2a090bdf1031eb.exe	services.exe
PID 2148 wrote to memory of 2072	2148	4231cbf6cfa7a3c534b8ed947f06b1e328e4e7ba3afd08b66f2a090bdf1031eb.exe	services.exe
PID 2148 wrote to memory of 2072	2148	4231cbf6cfa7a3c534b8ed947f06b1e328e4e7ba3afd08b66f2a090bdf1031eb.exe	services.exe
PID 2148 wrote to memory of 2072	2148	4231cbf6cfa7a3c534b8ed947f06b1e328e4e7ba3afd08b66f2a090bdf1031eb.exe	services.exe

C:\Users\Admin\AppData\Local\Temp\4231cbf6cfa7a3c534b8ed947f06b1e328e4e7ba3afd08b66f2a090bdf1031eb.exe
"C:\Users\Admin\AppData\Local\Temp\4231cbf6cfa7a3c534b8ed947f06b1e328e4e7ba3afd08b66f2a090bdf1031eb.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2148
- 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:2072

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmpD0C9.tmp

Filesize
29KB

MD5
0551146184becdf6d761a91756534baf

SHA1
6ff5fb10a41dd009f099029e7efc9b87b0c843d9

SHA256
237baf366810b6c4ebc01069707737a3ec9af6c11712d2e8f1fa3cdc44be6230

SHA512
fbafc6fe54e1c754142f92bbe56a2b2b1c07cd574b551623c89c4c2b1b273867d1eae504540fddab583e7a210054647af2c2f1f8a6cd3030e9776ed1d83dc74d

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

MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

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

Filesize
288B

MD5
766b2f9b7164a63e9d4253469a1ee7a9

SHA1
a1b26ab51224ed74a5c6b829b9c38dc37cfa5b85

SHA256
2de9d74288ef25088bfa643fb6df6698bf33aa78266660dc7a45a68754db9879

SHA512
506d8f1f9db91f73e3c1b492155806a9a71fe0727654648a0fe7f4e427a04554bb2f9f009c76dc8e75fe99bdf21d5441e9a2b3ba4fe1ea149bc90962a9abce4a

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/2072-41-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2072-53-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2072-18-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2072-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2072-24-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2072-29-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2072-31-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2072-36-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2072-91-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2072-43-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2072-48-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2072-87-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2072-55-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2072-60-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2072-65-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2148-64-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2148-15-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2148-4-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2148-86-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2148-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2148-90-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2148-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads