mydoom | b3a30991b133c828f101f4c4dc48f6959c015daef968a65f63901e333a7e3517

General

Target

b3a30991b133c828f101f4c4dc48f6959c015daef968a65f63901e333a7e3517N.exe
Size

29KB
MD5

d2d36256140e75a51675074b87669370
SHA1

3a7d1b68778b13f478b4c16b9c399d26481f8eb0
SHA256

b3a30991b133c828f101f4c4dc48f6959c015daef968a65f63901e333a7e3517
SHA512

85bb9c2b095b7f5e37ad05be0e1f50cdf53acdca19b0b4489937c3e197f1831167c40d4406b5dfeec7e90edffe4702c13c2d04bdcb35f218ea91f2f685890546
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Z:AEwVs+0jNDY1qi/qx

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 5 IoCs

resource	yara_rule
behavioral2/memory/1544-13-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/1544-39-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/1544-87-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/1544-145-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/1544-147-0x0000000000500000-0x0000000000510200-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
4620	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"	b3a30991b133c828f101f4c4dc48f6959c015daef968a65f63901e333a7e3517N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1544-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/files/0x000a000000023b88-4.dat	upx
behavioral2/memory/4620-5-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1544-13-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4620-15-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4620-16-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4620-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4620-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4620-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4620-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4620-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1544-39-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4620-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/files/0x0002000000021f4b-48.dat	upx
behavioral2/memory/4620-88-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1544-87-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/1544-145-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4620-146-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1544-147-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4620-148-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4620-152-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	b3a30991b133c828f101f4c4dc48f6959c015daef968a65f63901e333a7e3517N.exe
File opened for modification	C:\Windows\java.exe	b3a30991b133c828f101f4c4dc48f6959c015daef968a65f63901e333a7e3517N.exe
File created	C:\Windows\java.exe	b3a30991b133c828f101f4c4dc48f6959c015daef968a65f63901e333a7e3517N.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	b3a30991b133c828f101f4c4dc48f6959c015daef968a65f63901e333a7e3517N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1544 wrote to memory of 4620	1544	b3a30991b133c828f101f4c4dc48f6959c015daef968a65f63901e333a7e3517N.exe	83
PID 1544 wrote to memory of 4620	1544	b3a30991b133c828f101f4c4dc48f6959c015daef968a65f63901e333a7e3517N.exe	83
PID 1544 wrote to memory of 4620	1544	b3a30991b133c828f101f4c4dc48f6959c015daef968a65f63901e333a7e3517N.exe	83

C:\Users\Admin\AppData\Local\Temp\b3a30991b133c828f101f4c4dc48f6959c015daef968a65f63901e333a7e3517N.exe
"C:\Users\Admin\AppData\Local\Temp\b3a30991b133c828f101f4c4dc48f6959c015daef968a65f63901e333a7e3517N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1544
- 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:4620

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\FGDWJGSY\search[2].htm

Filesize
25B

MD5
8ba61a16b71609a08bfa35bc213fce49

SHA1
8374dddcc6b2ede14b0ea00a5870a11b57ced33f

SHA256
6aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1

SHA512
5855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpB050.tmp

Filesize
29KB

MD5
a2698714835da7c84e68be85006a0dc2

SHA1
f1c5d90587fb7e31c994c9c9acbd8cd19f15099f

SHA256
358eaf9d2597d4691bfc07cc2a33dcaa3fd8443dc40304d4eb05080e1643b448

SHA512
c05190c84a23d0f81b8c066bcaa0e328dc9a5c0a084e537a11874888aee81d9fcb9132fcdc29aeeb2ad9a1763868a4ef2d0bb2d6ad76dfc06c6dbe9c084c6587

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

Filesize
320B

MD5
abeab4b2090eaf8583be983489ce98c0

SHA1
88cb1918a31fc24c0c7cae9e99d0119845c5f002

SHA256
0e6f5f68da4f82da93a854d90c6ed69aae39ea89915fbdfbe300de72b7ed2363

SHA512
a6c0effd972dd69ab75fa1186d91e0a3195f68fa080e8bc84cc25e4f8076467f64e8aa910f1ffa354522025763f10c812d668d875c4305dcca774c1fc951f979

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

Filesize
320B

MD5
8dfa8fd175f430f42d748aabe1db889e

SHA1
c03c105c21f76f3a41c2832d035d109529b7f059

SHA256
775c6635bfc5e1837d0b8bc45a528d5b9e981b819d5cbed464fedfcd1eb704ca

SHA512
078e5268ce2d7e53c92aec44f97d339671c4c809c8bb6e8e3807ae76e9315ea920762d915ab0617505d63ee5bd3697c33d223e1084c43dae897f920a0c789e08

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/1544-39-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1544-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1544-147-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1544-145-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1544-13-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1544-87-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4620-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4620-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4620-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4620-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4620-88-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4620-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4620-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4620-5-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4620-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4620-146-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4620-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4620-148-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4620-152-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads