mydoom | ff5ed5e55425789b20372863a072d4d33a1137b5d613f6d47e679380a1ad5d86

General

Target

ff5ed5e55425789b20372863a072d4d33a1137b5d613f6d47e679380a1ad5d86N.exe
Size

29KB
MD5

25821c1e9225b4a5b423b34ea0f08c50
SHA1

bf667f41df90f37adbf89ad7e662bc1269c8f0b8
SHA256

ff5ed5e55425789b20372863a072d4d33a1137b5d613f6d47e679380a1ad5d86
SHA512

5d686d7fb5f127505cf58560c74ca29d3681254fd3b46a38a52f324f72e3c866aad082ebcc03991d3052f17472fe3a1447d943c43d62ac2638e7a08f531fa8de
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/pu3l:AEwVs+0jNDY1qi/qU

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 6 IoCs

resource	yara_rule
behavioral1/memory/1736-2-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/1736-9-0x0000000000220000-0x0000000000228000-memory.dmp	family_mydoom
behavioral1/memory/1736-17-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/1736-53-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/1736-55-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/1736-76-0x0000000000500000-0x0000000000510200-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
1876	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"	ff5ed5e55425789b20372863a072d4d33a1137b5d613f6d47e679380a1ad5d86N.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/1736-2-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1736-4-0x0000000000220000-0x0000000000228000-memory.dmp	upx
behavioral1/files/0x0008000000015d59-10.dat	upx
behavioral1/memory/1736-9-0x0000000000220000-0x0000000000228000-memory.dmp	upx
behavioral1/memory/1876-11-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1736-17-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1876-19-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1876-20-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1876-25-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1876-30-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1876-32-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1876-37-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1876-42-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1876-44-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1876-49-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1736-53-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1876-54-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1736-55-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1876-56-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0008000000015ec4-66.dat	upx
behavioral1/memory/1736-76-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1876-77-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	ff5ed5e55425789b20372863a072d4d33a1137b5d613f6d47e679380a1ad5d86N.exe
File opened for modification	C:\Windows\java.exe	ff5ed5e55425789b20372863a072d4d33a1137b5d613f6d47e679380a1ad5d86N.exe
File created	C:\Windows\java.exe	ff5ed5e55425789b20372863a072d4d33a1137b5d613f6d47e679380a1ad5d86N.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	ff5ed5e55425789b20372863a072d4d33a1137b5d613f6d47e679380a1ad5d86N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1736 wrote to memory of 1876	1736	ff5ed5e55425789b20372863a072d4d33a1137b5d613f6d47e679380a1ad5d86N.exe	30
PID 1736 wrote to memory of 1876	1736	ff5ed5e55425789b20372863a072d4d33a1137b5d613f6d47e679380a1ad5d86N.exe	30
PID 1736 wrote to memory of 1876	1736	ff5ed5e55425789b20372863a072d4d33a1137b5d613f6d47e679380a1ad5d86N.exe	30
PID 1736 wrote to memory of 1876	1736	ff5ed5e55425789b20372863a072d4d33a1137b5d613f6d47e679380a1ad5d86N.exe	30

C:\Users\Admin\AppData\Local\Temp\ff5ed5e55425789b20372863a072d4d33a1137b5d613f6d47e679380a1ad5d86N.exe
"C:\Users\Admin\AppData\Local\Temp\ff5ed5e55425789b20372863a072d4d33a1137b5d613f6d47e679380a1ad5d86N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1736
- 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:1876

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\tmp2C21.tmp

Filesize
29KB

MD5
a69c177bc00495aa1403c2370b2b95df

SHA1
246dce7a5e713b26b6c95752cef848de216b4265

SHA256
9f5bd58a8be4ee52083eb12f4de39b336f5f2fb21deb4cf37a9e53cef0697ca8

SHA512
36e751b1d3ce8f465d6fece872d3a3372e95d8ca4334bcc27d8e3db37762eb335b1a33b15a256b0013e3162dff534e8b296a56b63e53465fc988d8c855bc610e

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

Filesize
352B

MD5
b63aee1388312a605692ab588f434664

SHA1
42515313367bd6191d093e2354f97b303d84cfa7

SHA256
481c1d1001601def12f8dc18ff762125c23c212e83c905ad5aed020cdde59dfe

SHA512
f79b8549ac156a9529fc16aa3ba7de217d6692e4167692aae0854090bfd51d644de91f058c9e95dc0c9e3275540d5cae04198bfdae6820152e4c305f1f80fd7d

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/1736-55-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1736-53-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1736-17-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1736-76-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1736-4-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/1736-9-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/1736-2-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1876-42-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1876-37-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1876-11-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1876-44-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1876-49-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1876-32-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1876-54-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1876-30-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1876-56-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1876-25-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1876-20-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1876-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1876-77-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads