mydoom | a85b2ff272f9da00abb6d70900661031c7157083835e9ca19fd3a60d5fe3793b

General

Target

a85b2ff272f9da00abb6d70900661031c7157083835e9ca19fd3a60d5fe3793bN.exe
Size

29KB
MD5

ce6bc618c6d08e3b6ff0e40872460f70
SHA1

6d704badc17a0719533b0399c047047a16d62255
SHA256

a85b2ff272f9da00abb6d70900661031c7157083835e9ca19fd3a60d5fe3793b
SHA512

2ba8767a24ede743161e330dda65acaa6d1c6e286e408ba419caab040e6c2bfb1a37237e99c0771811326620c0ef99f71be8dec66ab9d354b14ff1d9771cf83e
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/9hQ:AEwVs+0jNDY1qi/qlG

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 5 IoCs

resource	yara_rule
behavioral1/memory/2512-15-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2512-42-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2512-68-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2512-70-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2512-75-0x0000000000500000-0x0000000000510200-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
2064	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"	a85b2ff272f9da00abb6d70900661031c7157083835e9ca19fd3a60d5fe3793bN.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
behavioral1/files/0x0008000000015d64-9.dat	upx
behavioral1/memory/2512-3-0x00000000001B0000-0x00000000001B8000-memory.dmp	upx
behavioral1/memory/2512-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2512-15-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2064-19-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2064-18-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2064-24-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2064-29-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2064-31-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2064-36-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2064-41-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2512-42-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2064-43-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2064-48-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0009000000015d7f-58.dat	upx
behavioral1/memory/2064-69-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2512-68-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2512-70-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2064-71-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2512-75-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2064-76-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	a85b2ff272f9da00abb6d70900661031c7157083835e9ca19fd3a60d5fe3793bN.exe
File opened for modification	C:\Windows\java.exe	a85b2ff272f9da00abb6d70900661031c7157083835e9ca19fd3a60d5fe3793bN.exe
File created	C:\Windows\java.exe	a85b2ff272f9da00abb6d70900661031c7157083835e9ca19fd3a60d5fe3793bN.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	a85b2ff272f9da00abb6d70900661031c7157083835e9ca19fd3a60d5fe3793bN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2512 wrote to memory of 2064	2512	a85b2ff272f9da00abb6d70900661031c7157083835e9ca19fd3a60d5fe3793bN.exe	30
PID 2512 wrote to memory of 2064	2512	a85b2ff272f9da00abb6d70900661031c7157083835e9ca19fd3a60d5fe3793bN.exe	30
PID 2512 wrote to memory of 2064	2512	a85b2ff272f9da00abb6d70900661031c7157083835e9ca19fd3a60d5fe3793bN.exe	30
PID 2512 wrote to memory of 2064	2512	a85b2ff272f9da00abb6d70900661031c7157083835e9ca19fd3a60d5fe3793bN.exe	30

C:\Users\Admin\AppData\Local\Temp\a85b2ff272f9da00abb6d70900661031c7157083835e9ca19fd3a60d5fe3793bN.exe
"C:\Users\Admin\AppData\Local\Temp\a85b2ff272f9da00abb6d70900661031c7157083835e9ca19fd3a60d5fe3793bN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2512
- 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:2064

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpB87.tmp

Filesize
29KB

MD5
a4224dcd33e07d98cc0f996b8ea330df

SHA1
f79761e5951e980257d500f42dfbab2720c259bd

SHA256
a69e81b41c6049a40ec1460dfa0fe995615c4696fb5ae0b62d0e40e2e8dc5b40

SHA512
a1fcfedb3de4bbf4c7ff5d06aadde3f19521c63651f6b09d893fd1db7e9010d7b87b58423783538722567b6fc9679f1facd4ddef1f6d0e387ab8954a797ee683

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

Filesize
320B

MD5
bdcaf4c347df38f59b331cbd06980d9d

SHA1
0813d321cf0a7244e8ca2ee078dfb67fbbccf666

SHA256
b78c01eebf97a3011c83de2788999a349ea97bf548318d21e6c18949644c48c4

SHA512
330caf882d3f87da64769e24ef52d824a5204cd5f498615141996314e13771fd30fdb83af69e8934e204983bc4c9efeae6d754b1b13c5d916ca254e4e8019a99

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/2064-41-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2064-69-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2064-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2064-18-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2064-24-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2064-29-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2064-31-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2064-36-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2064-76-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2064-71-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2064-43-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2064-48-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2512-42-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2512-3-0x00000000001B0000-0x00000000001B8000-memory.dmp

Filesize
32KB

Download
memory/2512-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2512-68-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2512-70-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2512-16-0x00000000001B0000-0x00000000001B8000-memory.dmp

Filesize
32KB

Download
memory/2512-75-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2512-15-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads