mydoom | 7fe40e1dce4783ddde36dcc23e345953de72dad7344b5c64d852e65ba44e8ffc

General

Target

7fe40e1dce4783ddde36dcc23e345953de72dad7344b5c64d852e65ba44e8ffcN.exe
Size

29KB
MD5

1e620192938d7186e5119b5ea851a8a0
SHA1

1ee715bd250c71e13e9ba860fd18d31bb9bf04a9
SHA256

7fe40e1dce4783ddde36dcc23e345953de72dad7344b5c64d852e65ba44e8ffc
SHA512

0c8194ce0cc55d064bb2d3ce5a7409ddfc6914aa959326c0d9ec391320becac8b6254595a89df555e536ff4b4b01aca3df1cc7a2ac67792deb7b2cc5300aec3c
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/ToS:AEwVs+0jNDY1qi/qz

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 6 IoCs

resource	yara_rule
behavioral1/memory/2272-15-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2272-40-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2272-65-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2272-69-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2272-74-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2272-81-0x0000000000500000-0x0000000000510200-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
2512	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"	7fe40e1dce4783ddde36dcc23e345953de72dad7344b5c64d852e65ba44e8ffcN.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/2272-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2272-3-0x00000000001B0000-0x00000000001B8000-memory.dmp	upx
behavioral1/files/0x0009000000016b47-7.dat	upx
behavioral1/memory/2272-15-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2512-18-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2512-19-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2512-24-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2512-29-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2512-31-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2512-36-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2272-40-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2512-41-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0005000000004ed7-54.dat	upx
behavioral1/memory/2512-66-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2272-65-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2512-70-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2272-69-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2272-74-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2512-75-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2512-77-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2272-81-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2512-82-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\java.exe	7fe40e1dce4783ddde36dcc23e345953de72dad7344b5c64d852e65ba44e8ffcN.exe
File created	C:\Windows\services.exe	7fe40e1dce4783ddde36dcc23e345953de72dad7344b5c64d852e65ba44e8ffcN.exe
File opened for modification	C:\Windows\java.exe	7fe40e1dce4783ddde36dcc23e345953de72dad7344b5c64d852e65ba44e8ffcN.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	7fe40e1dce4783ddde36dcc23e345953de72dad7344b5c64d852e65ba44e8ffcN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2272 wrote to memory of 2512	2272	7fe40e1dce4783ddde36dcc23e345953de72dad7344b5c64d852e65ba44e8ffcN.exe	30
PID 2272 wrote to memory of 2512	2272	7fe40e1dce4783ddde36dcc23e345953de72dad7344b5c64d852e65ba44e8ffcN.exe	30
PID 2272 wrote to memory of 2512	2272	7fe40e1dce4783ddde36dcc23e345953de72dad7344b5c64d852e65ba44e8ffcN.exe	30
PID 2272 wrote to memory of 2512	2272	7fe40e1dce4783ddde36dcc23e345953de72dad7344b5c64d852e65ba44e8ffcN.exe	30

C:\Users\Admin\AppData\Local\Temp\7fe40e1dce4783ddde36dcc23e345953de72dad7344b5c64d852e65ba44e8ffcN.exe
"C:\Users\Admin\AppData\Local\Temp\7fe40e1dce4783ddde36dcc23e345953de72dad7344b5c64d852e65ba44e8ffcN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2272
- 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:2512

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\tmpBBD3.tmp

Filesize
29KB

MD5
798d798164b3b5ef507c6dfb8d2cfc99

SHA1
3d1269a0acfb098943d6a8f9947bfe2f7c1eaec2

SHA256
46263114533820e2ad51bd4c44d0f3539366920a4388535a2be911efe9efcd48

SHA512
b66a5b2a2c2241c85d3e990cfe5dd14a11f74f4583cf1561e5cc163a2cfe88c8d82efd6bbf199cc10238d71611c02e4314546c128b0606d7ed38d95de6032d07

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

Filesize
352B

MD5
68adef9d0a2679411065b620327b0ba8

SHA1
86e2945ea3d024007c687f7dfb6364d8a954c83e

SHA256
0f8ee440dc4892c698e64a5f2149462a6b598fc9a87fd6ad2c888cf29f16ce07

SHA512
d49d8250df1884d10e028f13a430f7f4e1c8f7d632c50713258228eeba10cd4dfa8b4c8bb1cecf8472fda1d7a293ffed5cc49bb5a45488e5b37248145acf33e0

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/2272-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2272-16-0x00000000001B0000-0x00000000001B8000-memory.dmp

Filesize
32KB

Download
memory/2272-15-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2272-81-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2272-74-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2272-69-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2272-65-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2272-3-0x00000000001B0000-0x00000000001B8000-memory.dmp

Filesize
32KB

Download
memory/2272-40-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2512-18-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2512-41-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2512-36-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2512-66-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2512-31-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2512-70-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2512-29-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2512-24-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2512-75-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2512-77-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2512-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2512-82-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads