mydoom | efd4f167feedfd68025a0ea4912df77271087738fe8dafb4be8622d65acc2623

General

Target

efd4f167feedfd68025a0ea4912df77271087738fe8dafb4be8622d65acc2623N.exe
Size

29KB
MD5

51cf9afce5d6e70f213885c26a585cb0
SHA1

a238747059e2b9a9058a559fca5cdff3eddc5ef1
SHA256

efd4f167feedfd68025a0ea4912df77271087738fe8dafb4be8622d65acc2623
SHA512

8de3f0e4c5fad3962ce8e6859f22ddccd553b47dddd0f23fd1e810d0b85031b025bd6862f3701398463db0ed0407e6e2b36943e84512c5dded2479f551f841da
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/+D:AEwVs+0jNDY1qi/qy

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 3 IoCs

resource	yara_rule
behavioral2/memory/2500-13-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/2500-51-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/2500-114-0x0000000000500000-0x0000000000510200-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
3624	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"	efd4f167feedfd68025a0ea4912df77271087738fe8dafb4be8622d65acc2623N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2500-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/files/0x000b000000023b80-4.dat	upx
behavioral2/memory/3624-5-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2500-13-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/3624-15-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3624-16-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3624-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3624-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3624-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3624-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3624-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3624-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3624-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3624-50-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3624-52-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2500-51-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/files/0x0003000000000709-60.dat	upx
behavioral2/memory/2500-114-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/3624-124-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	efd4f167feedfd68025a0ea4912df77271087738fe8dafb4be8622d65acc2623N.exe
File opened for modification	C:\Windows\java.exe	efd4f167feedfd68025a0ea4912df77271087738fe8dafb4be8622d65acc2623N.exe
File created	C:\Windows\java.exe	efd4f167feedfd68025a0ea4912df77271087738fe8dafb4be8622d65acc2623N.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	services.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	efd4f167feedfd68025a0ea4912df77271087738fe8dafb4be8622d65acc2623N.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2500 wrote to memory of 3624	2500	efd4f167feedfd68025a0ea4912df77271087738fe8dafb4be8622d65acc2623N.exe	85
PID 2500 wrote to memory of 3624	2500	efd4f167feedfd68025a0ea4912df77271087738fe8dafb4be8622d65acc2623N.exe	85
PID 2500 wrote to memory of 3624	2500	efd4f167feedfd68025a0ea4912df77271087738fe8dafb4be8622d65acc2623N.exe	85

C:\Users\Admin\AppData\Local\Temp\efd4f167feedfd68025a0ea4912df77271087738fe8dafb4be8622d65acc2623N.exe
"C:\Users\Admin\AppData\Local\Temp\efd4f167feedfd68025a0ea4912df77271087738fe8dafb4be8622d65acc2623N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2500
- 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:3624

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\GRYMSCZU\search[2].htm

Filesize
25B

MD5
8ba61a16b71609a08bfa35bc213fce49

SHA1
8374dddcc6b2ede14b0ea00a5870a11b57ced33f

SHA256
6aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1

SHA512
5855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1

Download Submit
C:\Users\Admin\AppData\Local\Temp\Q8uxo.log

Filesize
320B

MD5
9df9867d811baa4968e12cd92c6bf618

SHA1
0cc7a7a346a589c82adcafe4e8c424f0b02b1fd2

SHA256
61c7079f2db3210e0c028f01f99101ef03ec788e06d1196298e6513f7db8a2ab

SHA512
3cb29b36319456dec41dff84267d5930540641db675de43e930aec97b8b652bc787b3a47338db5e7c336b799144ca357cec042b07f7ee4973c11e3a9fedb8dd4

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp6B14.tmp

Filesize
29KB

MD5
05c7e7aa08b654d59926c7c123f21674

SHA1
48cd64300c8197add64c2ddc949995c5aa46c9a2

SHA256
0511d273a9c32a8f4cca5be9188bd14d7b1c429d518ac844d53614db7671d58f

SHA512
34e73d44ad33ec9325e9ab661f370c854077299476a5f1090ad7c6dba78260b22dae7cd81bee3144adca830301a25734d4f16f63bda086736438db62b24c0a5b

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

Filesize
352B

MD5
59b5db88029fd0304bc1a6f79e6289af

SHA1
f5f06c606bc01bf17b7c6b65a856798a7a4f8c5a

SHA256
a260b7d8841f6a7cac951daf1e28dedfd637713f8f8489639954ca3dea28f39e

SHA512
8cbed28f3f82a7609e973786e8970592286da00232cd65657cd6f3dcbfdde446bd6bf0159cb648786bd80fe0f603a9a142ce24ea85b1f7488f00b176d5ca012e

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/2500-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2500-13-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2500-114-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2500-51-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/3624-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3624-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3624-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3624-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3624-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3624-50-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3624-52-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3624-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3624-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3624-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3624-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3624-124-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3624-5-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads