mydoom | b26caf5e2f42941c3faed185b3010a09cbbc25d12a470dfde275d8abb98d8a46

General

Target

b26caf5e2f42941c3faed185b3010a09cbbc25d12a470dfde275d8abb98d8a46.exe
Size

29KB
MD5

a8b7128224ef6bc0e7241f09596be984
SHA1

a67f6719fbc53fed24d30e3600756fb6cd9ab18e
SHA256

b26caf5e2f42941c3faed185b3010a09cbbc25d12a470dfde275d8abb98d8a46
SHA512

c09a88f465079fa171a4b4de15f319d538a5bcbbb7242b78bbced4599121088bebc25f500b634a63bb7119df6322c823d5ae68a8a95362cf50b57fe7a590947a
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/l:AEwVs+0jNDY1qi/q9

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 5 IoCs

resource	yara_rule
behavioral2/memory/3164-13-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/3164-39-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/3164-44-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/3164-144-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/3164-152-0x0000000000500000-0x0000000000510200-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
4288	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"	b26caf5e2f42941c3faed185b3010a09cbbc25d12a470dfde275d8abb98d8a46.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/3164-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/files/0x000a000000023b68-4.dat	upx
behavioral2/memory/4288-5-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3164-13-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4288-15-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4288-16-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4288-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4288-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4288-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4288-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4288-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3164-39-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4288-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3164-44-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4288-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/files/0x000900000001e786-55.dat	upx
behavioral2/memory/3164-144-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4288-145-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3164-152-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4288-153-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4288-158-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	b26caf5e2f42941c3faed185b3010a09cbbc25d12a470dfde275d8abb98d8a46.exe
File opened for modification	C:\Windows\java.exe	b26caf5e2f42941c3faed185b3010a09cbbc25d12a470dfde275d8abb98d8a46.exe
File created	C:\Windows\java.exe	b26caf5e2f42941c3faed185b3010a09cbbc25d12a470dfde275d8abb98d8a46.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	b26caf5e2f42941c3faed185b3010a09cbbc25d12a470dfde275d8abb98d8a46.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3164 wrote to memory of 4288	3164	b26caf5e2f42941c3faed185b3010a09cbbc25d12a470dfde275d8abb98d8a46.exe	83
PID 3164 wrote to memory of 4288	3164	b26caf5e2f42941c3faed185b3010a09cbbc25d12a470dfde275d8abb98d8a46.exe	83
PID 3164 wrote to memory of 4288	3164	b26caf5e2f42941c3faed185b3010a09cbbc25d12a470dfde275d8abb98d8a46.exe	83

C:\Users\Admin\AppData\Local\Temp\b26caf5e2f42941c3faed185b3010a09cbbc25d12a470dfde275d8abb98d8a46.exe
"C:\Users\Admin\AppData\Local\Temp\b26caf5e2f42941c3faed185b3010a09cbbc25d12a470dfde275d8abb98d8a46.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3164
- 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:4288

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\YB8IB6GH\search[3].htm

Filesize
25B

MD5
8ba61a16b71609a08bfa35bc213fce49

SHA1
8374dddcc6b2ede14b0ea00a5870a11b57ced33f

SHA256
6aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1

SHA512
5855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpB94B.tmp

Filesize
29KB

MD5
a04f46ae7a95900e95613780dae51e16

SHA1
e67c079ac24461bc9d7d855829510a48219db8f9

SHA256
adfda7942d4bf9c5dbfa7281593289c4b65cdffcda02f55741d92e32a108c1ad

SHA512
074b41479631694e22daf9965bd1229c0fda8f1f86449eeea408880cf9dd8dfea6967e3e14579db1995929895a2a2c2f743c84af6300a3bad6d4e6349094ac09

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

Filesize
320B

MD5
eff8bcf2561a414b45eeb7d95f56c3bf

SHA1
8a0290d537c134490b152cc480b9bf7165c2f236

SHA256
3e76e1a536a780eb4e5376b731b1126f5d70bfbd831d1201c2786ef89e664d2f

SHA512
af3e65f91f1de5f43a77572bcce7ef0a0def31d347daab8d601e916ff0fbc07f191b152678f52707f15f580ba4a861f2661beaabfa4fcf3d29cbc72fd6792d3d

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/3164-39-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/3164-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/3164-152-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/3164-144-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/3164-13-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/3164-44-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4288-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4288-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4288-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4288-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4288-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4288-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4288-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4288-5-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4288-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4288-145-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4288-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4288-153-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4288-158-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads