mydoom | dcd8f0d24b15265def194513d2f831adf9e3ade86408a17049100f1e71a115df

General

Target

dcd8f0d24b15265def194513d2f831adf9e3ade86408a17049100f1e71a115dfN.exe
Size

29KB
MD5

b583555e2f04052ccd4a87a8b9267f00
SHA1

90287f4d4a670558f6952c9c19167ea19141cefd
SHA256

dcd8f0d24b15265def194513d2f831adf9e3ade86408a17049100f1e71a115df
SHA512

d15e0ee4009e4642ed4d47de82ebb207da41979ff5a52c644507cf49b5954077a48a4560fe7dd24a9127d9487849e1d423c5a866ca064ce0f5911387eae4a3d3
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/whd:AEwVs+0jNDY1qi/qIH

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 5 IoCs

resource	yara_rule
behavioral2/memory/1756-13-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/1756-39-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/1756-114-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/1756-157-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/1756-159-0x0000000000500000-0x0000000000510200-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
5064	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"	dcd8f0d24b15265def194513d2f831adf9e3ade86408a17049100f1e71a115dfN.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/1756-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/5064-5-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/files/0x0007000000023cad-4.dat	upx
behavioral2/memory/1756-13-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/5064-15-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/5064-16-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/5064-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/5064-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/5064-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/5064-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/5064-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1756-39-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/5064-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/files/0x0002000000021d5e-48.dat	upx
behavioral2/memory/1756-114-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/5064-115-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1756-157-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/5064-158-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1756-159-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/5064-160-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/5064-165-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\java.exe	dcd8f0d24b15265def194513d2f831adf9e3ade86408a17049100f1e71a115dfN.exe
File created	C:\Windows\java.exe	dcd8f0d24b15265def194513d2f831adf9e3ade86408a17049100f1e71a115dfN.exe
File created	C:\Windows\services.exe	dcd8f0d24b15265def194513d2f831adf9e3ade86408a17049100f1e71a115dfN.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	dcd8f0d24b15265def194513d2f831adf9e3ade86408a17049100f1e71a115dfN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1756 wrote to memory of 5064	1756	dcd8f0d24b15265def194513d2f831adf9e3ade86408a17049100f1e71a115dfN.exe	82
PID 1756 wrote to memory of 5064	1756	dcd8f0d24b15265def194513d2f831adf9e3ade86408a17049100f1e71a115dfN.exe	82
PID 1756 wrote to memory of 5064	1756	dcd8f0d24b15265def194513d2f831adf9e3ade86408a17049100f1e71a115dfN.exe	82

C:\Users\Admin\AppData\Local\Temp\dcd8f0d24b15265def194513d2f831adf9e3ade86408a17049100f1e71a115dfN.exe
"C:\Users\Admin\AppData\Local\Temp\dcd8f0d24b15265def194513d2f831adf9e3ade86408a17049100f1e71a115dfN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1756
- 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:5064

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\0BHOTC3C\search[2].htm

Filesize
25B

MD5
8ba61a16b71609a08bfa35bc213fce49

SHA1
8374dddcc6b2ede14b0ea00a5870a11b57ced33f

SHA256
6aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1

SHA512
5855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpF538.tmp

Filesize
29KB

MD5
811b7a64ba3b30527c10b2e7cd45d7a5

SHA1
96cb2ce3a64d795de010a19b09d13cb33629478f

SHA256
9e107d4273fc9f3ad58282f22fe65c29b578c93a4fdf1dff1d8bf2db56522539

SHA512
074be9eea1d3f4d9eeac9176f2ce3c6cec70830b8aa3109cad4cc7e8e44e2b51ac5ef8ac6bdb030e1eaab40b1666376dc0ee74f29a6be982d7f81e966a240114

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

Filesize
320B

MD5
93125a6ecc190e6d9feee13985875db9

SHA1
8173a0bbfeecdd5ed02a7c9f6bf2ca332ad6f64a

SHA256
e5cd403427be929a05a9def5fc647388c36471d3e7aa2157832fdc8763761e00

SHA512
b5eeff9f6bb77e95543e1cf7aed3273f7ab81bfca016d9ecea62a296c7de2ab65b6eecde206f698c31ca2c26923fc911e20865432f8578677a9a231562d32191

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/1756-39-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1756-159-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1756-13-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1756-157-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1756-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1756-114-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/5064-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5064-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5064-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5064-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5064-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5064-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5064-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5064-115-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5064-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5064-158-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5064-5-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5064-160-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5064-165-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads