mydoom | 3357c2ca97fec487a6ae558f931ba2b21a672bcf69d244fa55d6616d04641c5c

General

Target

3357c2ca97fec487a6ae558f931ba2b21a672bcf69d244fa55d6616d04641c5cN.exe
Size

29KB
MD5

dc2274b05dc6c870c3f65f0e277f72a0
SHA1

5d14a9613a63e47dfdd5a3062c07319a226b8376
SHA256

3357c2ca97fec487a6ae558f931ba2b21a672bcf69d244fa55d6616d04641c5c
SHA512

bab5e78a7c5b0567d365f76658621be4a650914eee3e89b16aae2c6be06260f70405bb5e7645be5551eeb5c2144e34a82612e87683224c8587ecdb390e7c7e63
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/1Dx:AEwVs+0jNDY1qi/qtDx

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 4 IoCs

resource	yara_rule
behavioral2/memory/4300-13-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4300-51-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4300-134-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4300-171-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom

MyDoom
MyDoom is a Worm that is written in C++.
worm mydoom

Executes dropped EXE 1 IoCs

pid	Process
1516	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"	3357c2ca97fec487a6ae558f931ba2b21a672bcf69d244fa55d6616d04641c5cN.exe

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4300-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/files/0x0008000000023c9c-4.dat	upx
behavioral2/memory/1516-5-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4300-13-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/1516-15-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1516-16-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1516-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1516-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1516-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1516-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1516-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1516-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1516-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1516-50-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4300-51-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/1516-52-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/files/0x000400000001f626-65.dat	upx
behavioral2/memory/4300-134-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/1516-135-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4300-171-0x0000000000500000-0x0000000000510200-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	3357c2ca97fec487a6ae558f931ba2b21a672bcf69d244fa55d6616d04641c5cN.exe
File opened for modification	C:\Windows\java.exe	3357c2ca97fec487a6ae558f931ba2b21a672bcf69d244fa55d6616d04641c5cN.exe
File created	C:\Windows\java.exe	3357c2ca97fec487a6ae558f931ba2b21a672bcf69d244fa55d6616d04641c5cN.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	3357c2ca97fec487a6ae558f931ba2b21a672bcf69d244fa55d6616d04641c5cN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4300 wrote to memory of 1516	4300	3357c2ca97fec487a6ae558f931ba2b21a672bcf69d244fa55d6616d04641c5cN.exe	83
PID 4300 wrote to memory of 1516	4300	3357c2ca97fec487a6ae558f931ba2b21a672bcf69d244fa55d6616d04641c5cN.exe	83
PID 4300 wrote to memory of 1516	4300	3357c2ca97fec487a6ae558f931ba2b21a672bcf69d244fa55d6616d04641c5cN.exe	83

C:\Users\Admin\AppData\Local\Temp\3357c2ca97fec487a6ae558f931ba2b21a672bcf69d244fa55d6616d04641c5cN.exe
"C:\Users\Admin\AppData\Local\Temp\3357c2ca97fec487a6ae558f931ba2b21a672bcf69d244fa55d6616d04641c5cN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4300
- 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:1516

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\ZA7RG4JF\search[3].htm

Filesize
25B

MD5
8ba61a16b71609a08bfa35bc213fce49

SHA1
8374dddcc6b2ede14b0ea00a5870a11b57ced33f

SHA256
6aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1

SHA512
5855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp28DD.tmp

Filesize
29KB

MD5
c7920e631ab1ab575f315e59c7db4a60

SHA1
943aa9bd69e9812f80d13578a87ef88664b123cc

SHA256
377075d647368d12fd1128c09714caf35f4e2085f71a41b75c217634b4081fa5

SHA512
4fa10072c807e622bcdfb5fae1a963a8fdb459ec7f5a5025cdfa1082202d0161f45b18e914850cb49d6bbdcb2629c56a9d4f6ab015843a4d8ba989975375fb5a

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

Filesize
352B

MD5
d115ae5431bc82b421ffa15eafd2d975

SHA1
f62443d530bde9a017ccd703877092fb5d6b28de

SHA256
da23728a6f0b8357841ab3b43fa0639c5e7bf2085f8370d9b1f4efd59a1f00de

SHA512
48f91cc24b8228a83cfbb40238f1b2464773e54d963530e9b71c2ca3c9bcea0cbf6f76a39c75697710e585e0717474411e74d7865a8743ccfc2d375b67b2b18c

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/1516-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1516-5-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1516-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1516-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1516-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1516-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1516-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1516-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1516-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1516-50-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1516-135-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1516-52-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1516-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4300-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4300-13-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4300-134-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4300-51-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4300-171-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads