mydoom | b3b97abb41fa7b8efa8557f53f0bceb65da756f889a9c9dd3e91f33909f6a7d4

General

Target

b3b97abb41fa7b8efa8557f53f0bceb65da756f889a9c9dd3e91f33909f6a7d4.exe
Size

29KB
MD5

c54eb8ed81b43283f4ab4d11e6f1a538
SHA1

df821b209e246bec57ea8cf18ff3437ccdb9d491
SHA256

b3b97abb41fa7b8efa8557f53f0bceb65da756f889a9c9dd3e91f33909f6a7d4
SHA512

cafdc00b686b90246801694b93cc83e146daa21d64d9fbf83ad3464b8b13b5876083203bb25ae9202b6906ba7e98e74cb930adfd4e4664b91b74c250614b1491
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/hn3N:AEwVs+0jNDY1qi/qX

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 7 IoCs

resource	yara_rule
behavioral1/memory/2872-2-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2872-16-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2872-36-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2872-57-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2872-61-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2872-66-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2872-73-0x0000000000500000-0x0000000000510200-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
2892	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"	b3b97abb41fa7b8efa8557f53f0bceb65da756f889a9c9dd3e91f33909f6a7d4.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/2872-2-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2872-4-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0012000000016d3f-7.dat	upx
behavioral1/memory/2872-16-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2892-19-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2892-20-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2892-25-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2892-30-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2892-32-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2872-36-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2892-37-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2892-42-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0007000000016fe5-47.dat	upx
behavioral1/memory/2872-57-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2892-58-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2872-61-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2892-62-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2872-66-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2892-67-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2892-69-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2872-73-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2892-74-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	b3b97abb41fa7b8efa8557f53f0bceb65da756f889a9c9dd3e91f33909f6a7d4.exe
File opened for modification	C:\Windows\java.exe	b3b97abb41fa7b8efa8557f53f0bceb65da756f889a9c9dd3e91f33909f6a7d4.exe
File created	C:\Windows\java.exe	b3b97abb41fa7b8efa8557f53f0bceb65da756f889a9c9dd3e91f33909f6a7d4.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	b3b97abb41fa7b8efa8557f53f0bceb65da756f889a9c9dd3e91f33909f6a7d4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2872 wrote to memory of 2892	2872	b3b97abb41fa7b8efa8557f53f0bceb65da756f889a9c9dd3e91f33909f6a7d4.exe	30
PID 2872 wrote to memory of 2892	2872	b3b97abb41fa7b8efa8557f53f0bceb65da756f889a9c9dd3e91f33909f6a7d4.exe	30
PID 2872 wrote to memory of 2892	2872	b3b97abb41fa7b8efa8557f53f0bceb65da756f889a9c9dd3e91f33909f6a7d4.exe	30
PID 2872 wrote to memory of 2892	2872	b3b97abb41fa7b8efa8557f53f0bceb65da756f889a9c9dd3e91f33909f6a7d4.exe	30

C:\Users\Admin\AppData\Local\Temp\b3b97abb41fa7b8efa8557f53f0bceb65da756f889a9c9dd3e91f33909f6a7d4.exe
"C:\Users\Admin\AppData\Local\Temp\b3b97abb41fa7b8efa8557f53f0bceb65da756f889a9c9dd3e91f33909f6a7d4.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2872
- 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:2892

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\tmp33DC.tmp

Filesize
29KB

MD5
051effc3153b9da61ef31f4ba5c8f813

SHA1
8bc6c7520d10ea4c53ffaca5349a72251986e900

SHA256
51b412c854e19e16dd77365622aa196992ef0c2fc90f364138ab37f078d1b040

SHA512
6396d96671153d88602ebc761d08090c76f9b6f132cc44a7e1b6a5188886f574a3ab72a3b8bf47e71516120c35504b86da247241fbe49ae3a0b4765aa7145eb1

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

Filesize
352B

MD5
76d3a51a666aa5a44abc6b61e69d89d8

SHA1
3852c3eebda82d0cd52d9cf4fa34488c0d16fc03

SHA256
6fe059e52beb1d538a61bd5572ace7d080751ab39e51e36782b438f89c667a1a

SHA512
e61274115297c3cb629522e0806903cd5aaef4cc2c1039266ab82090c03ab6207890414e38b200ec1057ad85c91e0a52b23090bb97739637dc3495ee55b1029e

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/2872-36-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2872-9-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2872-17-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2872-73-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2872-66-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2872-61-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2872-16-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2872-57-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2872-2-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2872-4-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2892-30-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2892-42-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2892-37-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2892-32-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2892-58-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2892-25-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2892-62-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2892-20-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2892-67-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2892-69-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2892-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2892-74-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads