mydoom | 7a12c21e56c7c675b9ed568b0cc193402ac61bf21d77bf3aac3a5b0fdb846fdc

General

Target

7a12c21e56c7c675b9ed568b0cc193402ac61bf21d77bf3aac3a5b0fdb846fdcN.exe
Size

29KB
MD5

ae9d2cfece39be1c5ca2d4590fd52ad0
SHA1

a9b8d15233c76e84863643b36d02315230a3dfdd
SHA256

7a12c21e56c7c675b9ed568b0cc193402ac61bf21d77bf3aac3a5b0fdb846fdc
SHA512

318426428b379e8ba307aefeb775ec12a2732b5972ebab70cd99d0e3a1161e070c2679a11b21283306c02ca279cab99e365cf0bab3b2036d50d738100d89d001
SSDEEP

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

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 4 IoCs

resource	yara_rule
behavioral2/memory/3000-13-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/3000-49-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/3000-120-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/3000-169-0x0000000000500000-0x0000000000510200-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
2276	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"	7a12c21e56c7c675b9ed568b0cc193402ac61bf21d77bf3aac3a5b0fdb846fdcN.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3000-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/files/0x0008000000023c9a-4.dat	upx
behavioral2/memory/2276-5-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3000-13-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/2276-15-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2276-16-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2276-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2276-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2276-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2276-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2276-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2276-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2276-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3000-49-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/2276-50-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/files/0x0004000000000709-60.dat	upx
behavioral2/memory/3000-120-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/2276-121-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3000-169-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/2276-170-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	7a12c21e56c7c675b9ed568b0cc193402ac61bf21d77bf3aac3a5b0fdb846fdcN.exe
File opened for modification	C:\Windows\java.exe	7a12c21e56c7c675b9ed568b0cc193402ac61bf21d77bf3aac3a5b0fdb846fdcN.exe
File created	C:\Windows\java.exe	7a12c21e56c7c675b9ed568b0cc193402ac61bf21d77bf3aac3a5b0fdb846fdcN.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	7a12c21e56c7c675b9ed568b0cc193402ac61bf21d77bf3aac3a5b0fdb846fdcN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3000 wrote to memory of 2276	3000	7a12c21e56c7c675b9ed568b0cc193402ac61bf21d77bf3aac3a5b0fdb846fdcN.exe	83
PID 3000 wrote to memory of 2276	3000	7a12c21e56c7c675b9ed568b0cc193402ac61bf21d77bf3aac3a5b0fdb846fdcN.exe	83
PID 3000 wrote to memory of 2276	3000	7a12c21e56c7c675b9ed568b0cc193402ac61bf21d77bf3aac3a5b0fdb846fdcN.exe	83

C:\Users\Admin\AppData\Local\Temp\7a12c21e56c7c675b9ed568b0cc193402ac61bf21d77bf3aac3a5b0fdb846fdcN.exe
"C:\Users\Admin\AppData\Local\Temp\7a12c21e56c7c675b9ed568b0cc193402ac61bf21d77bf3aac3a5b0fdb846fdcN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3000
- 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:2276

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\8R55UT9S\search[2].htm

Filesize
25B

MD5
8ba61a16b71609a08bfa35bc213fce49

SHA1
8374dddcc6b2ede14b0ea00a5870a11b57ced33f

SHA256
6aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1

SHA512
5855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1ECB.tmp

Filesize
29KB

MD5
253b68355f86b676c500bce2c8e6affd

SHA1
bff7436b3382b97871c5cb2cd761922d28a915d1

SHA256
fb367f3c0cc4f804cee5db598ad30b7322b2196893345d4050d797b5e4db7a67

SHA512
fa10e86e7154d54de1466ccc5cbe5c8e8385669ed7f622361e714f3ac1a979413873f136e741965ae5166184532844be1f27fe63c3feebb4c1de0ef0add36877

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

Filesize
352B

MD5
928d3c29f175ca1e71978cf900814104

SHA1
11e10e9fa8aac4657a4f8205b84993db919f788e

SHA256
1b8c03257367231b74993c61046969342fafb3ee05d879bd7e7d32f12da1b50f

SHA512
b09a03fa5fa4e43d02b7d2d2048179b7dbad1ec4b42effb63e43a5f8a858b73d097d2ce73fcf0fd4ae31ef7d46ea042bafc9564f62827b6f7793949833abcf8f

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

Filesize
352B

MD5
278361e4b0f85ef7d77e4761d6844835

SHA1
26c882a1bcbe2db1284117d2e0c3b4c2fade9762

SHA256
99c769c1749e6d3d22a253cf3aafeb7da6c1400d995523cc726d351b87d4c925

SHA512
4752e99270824d94761ac6de19c757e8f18a56da69f30165234cbfffb5b0507465d272c1c78b9b88915931c0ac57297aea7ceace39a59efd9b58c10dad6298e7

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/2276-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2276-50-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2276-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2276-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2276-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2276-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2276-170-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2276-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2276-5-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2276-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2276-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2276-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2276-121-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3000-120-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/3000-13-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/3000-49-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/3000-169-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/3000-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads