mydoom | 131c2778e407d40a26b57423b7fab9215cf0e3d3182b74cc0fb8bbbaee57738c

General

Target

131c2778e407d40a26b57423b7fab9215cf0e3d3182b74cc0fb8bbbaee57738c.exe
Size

29KB
MD5

beb0c629c71f8ca365ecd7e21849634c
SHA1

ed99be6c4fbcc7c2fe46b751471d6ae4e3e373d7
SHA256

131c2778e407d40a26b57423b7fab9215cf0e3d3182b74cc0fb8bbbaee57738c
SHA512

e74211dc608fb396d5fd9ba0d46fd662f8934fe70b948423eb2100949fc0935283f3728841e86c2544e0aa5a55fa3b71d90ccf5879e19a037296c6cc3ecaf149
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/T:AEwVs+0jNDY1qi/qr

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 6 IoCs

resource	yara_rule
behavioral1/memory/1216-16-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/1216-43-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/1216-69-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/1216-71-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/1216-76-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/1216-83-0x0000000000500000-0x0000000000510200-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
3016	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"	131c2778e407d40a26b57423b7fab9215cf0e3d3182b74cc0fb8bbbaee57738c.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/1216-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1216-4-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0007000000018b62-10.dat	upx
behavioral1/memory/1216-16-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/3016-19-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/3016-20-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/3016-25-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/3016-30-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/3016-32-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/3016-37-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/3016-42-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1216-43-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/3016-44-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/3016-49-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0038000000018710-59.dat	upx
behavioral1/memory/1216-69-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/3016-70-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1216-71-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/3016-72-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/3016-77-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1216-76-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/3016-82-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1216-83-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/3016-84-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/3016-89-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\java.exe	131c2778e407d40a26b57423b7fab9215cf0e3d3182b74cc0fb8bbbaee57738c.exe
File created	C:\Windows\java.exe	131c2778e407d40a26b57423b7fab9215cf0e3d3182b74cc0fb8bbbaee57738c.exe
File created	C:\Windows\services.exe	131c2778e407d40a26b57423b7fab9215cf0e3d3182b74cc0fb8bbbaee57738c.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	131c2778e407d40a26b57423b7fab9215cf0e3d3182b74cc0fb8bbbaee57738c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1216 wrote to memory of 3016	1216	131c2778e407d40a26b57423b7fab9215cf0e3d3182b74cc0fb8bbbaee57738c.exe	29
PID 1216 wrote to memory of 3016	1216	131c2778e407d40a26b57423b7fab9215cf0e3d3182b74cc0fb8bbbaee57738c.exe	29
PID 1216 wrote to memory of 3016	1216	131c2778e407d40a26b57423b7fab9215cf0e3d3182b74cc0fb8bbbaee57738c.exe	29
PID 1216 wrote to memory of 3016	1216	131c2778e407d40a26b57423b7fab9215cf0e3d3182b74cc0fb8bbbaee57738c.exe	29

C:\Users\Admin\AppData\Local\Temp\131c2778e407d40a26b57423b7fab9215cf0e3d3182b74cc0fb8bbbaee57738c.exe
"C:\Users\Admin\AppData\Local\Temp\131c2778e407d40a26b57423b7fab9215cf0e3d3182b74cc0fb8bbbaee57738c.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1216
- 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:3016

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\tmpC055.tmp

Filesize
29KB

MD5
016e9fecd662cc08b7cfae4f88f3bf0d

SHA1
0db63ba421db17d48e868b58ddf6beaa61b3f4e3

SHA256
502e8098edeeef55b6c32892ea4c089be62745d1bddffdc37015b5e932fd3755

SHA512
2f99b4c0ed8a3ec74e3e28ac74aff9e5bb3646fa51e6af885f42b342f0dce633c295b5fdffab7b1c4d1979620fcfa71ac63c840e0b9f866a78c3486d823e1480

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

Filesize
352B

MD5
0da660955c05aadd54395ff019c821d3

SHA1
4cfc33b8337be3d1b398a5d19f2fa3696d88fe32

SHA256
d4fb1c7372cb295474a74f3b41801f2c88a873ab9d3bd6f5b51efe76c579b67c

SHA512
c284e340039a2491c40ff439d72c7fe40b7879aa688fe0c09626d4aa25b824ab47c5994cad2cf5d3f004f382ecdfd46c5acb54ae82d3f9f9600bdb15329fc0e8

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/1216-71-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1216-43-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1216-17-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1216-83-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1216-76-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1216-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1216-69-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1216-16-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1216-4-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1216-8-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3016-32-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3016-25-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3016-49-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3016-42-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3016-37-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3016-30-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3016-70-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3016-44-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3016-72-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3016-77-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3016-20-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3016-82-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3016-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3016-84-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3016-89-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads