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 2 IoCs

resource	yara_rule
behavioral2/memory/1924-13-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/1924-56-0x0000000000500000-0x0000000000510200-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
4032	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\Services = "C:\\Windows\\services.exe"	services.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe"	b3b97abb41fa7b8efa8557f53f0bceb65da756f889a9c9dd3e91f33909f6a7d4.exe

UPX packed file 18 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1924-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/files/0x000b000000023b4a-4.dat	upx
behavioral2/memory/4032-5-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1924-13-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4032-15-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4032-16-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4032-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4032-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4032-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4032-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4032-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4032-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4032-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4032-50-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4032-52-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1924-56-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4032-57-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/files/0x0003000000000709-62.dat	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 3 IoCs

description	pid	Process	procid_target
PID 1924 wrote to memory of 4032	1924	b3b97abb41fa7b8efa8557f53f0bceb65da756f889a9c9dd3e91f33909f6a7d4.exe	83
PID 1924 wrote to memory of 4032	1924	b3b97abb41fa7b8efa8557f53f0bceb65da756f889a9c9dd3e91f33909f6a7d4.exe	83
PID 1924 wrote to memory of 4032	1924	b3b97abb41fa7b8efa8557f53f0bceb65da756f889a9c9dd3e91f33909f6a7d4.exe	83

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:1924
- 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:4032

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\Microsoft\Windows\INetCache\IE\WQOY74U4\search[2].htm

Filesize
25B

MD5
8ba61a16b71609a08bfa35bc213fce49

SHA1
8374dddcc6b2ede14b0ea00a5870a11b57ced33f

SHA256
6aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1

SHA512
5855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp485A.tmp

Filesize
29KB

MD5
af58ddedb7d7b238c3ed2df4e85fea3e

SHA1
2e41ef16fb32c1c482a955153cd3edd9b31aa6dc

SHA256
3cc3cff77db75d51ed3ce83ab09ea89a16f36d82347bd46847b46bbef6fc8657

SHA512
f9c32c83c7360f82dd1e01a2c72484d09e8ac543680f7e9303d0f221a050beda73bd78ba031bd570677e87c9c86616071b4c2ec3a419865c1a1590300b9d5e53

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

Filesize
352B

MD5
87fe0360b5e36957f7e703784ea7325b

SHA1
482f6db1ab92af38e4a97e8dc782c2cbf9c55f2e

SHA256
50a713b1790cd98eabf9762d267f805d2eebf8c33c73a9a383c56a408bd93842

SHA512
f3e65a81fafdd9c3e35b49935a0abcfe0a6d79e72c5b72d2feffae4d16c6ed3f57b33477156298290689b6bfcda45090d8ab4cb0dfd3368bc88bf12bb93cc739

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/1924-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1924-13-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1924-56-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4032-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4032-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4032-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4032-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4032-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4032-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4032-50-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4032-52-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4032-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4032-57-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4032-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4032-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4032-5-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads