mydoom | 5cb83dc85169ccc79b7f2174331b1896473ed4de42f582627a3d6a4350fd6547

General

Target

5cb83dc85169ccc79b7f2174331b1896473ed4de42f582627a3d6a4350fd6547N.exe
Size

29KB
MD5

66bbc132ef9d6b77f92b049556485920
SHA1

b6bac601a7419074da08a64bb6c55d0b6a66ce08
SHA256

5cb83dc85169ccc79b7f2174331b1896473ed4de42f582627a3d6a4350fd6547
SHA512

ee4d68b12066e6561232baec857a85e5eb52c1d76d82094ae1d0149b60f944d766f26bba1b72e786d73c4aec388e5c8d1f78035ea9ee52f982ff19e2920d60e1
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Wi:AEwVs+0jNDY1qi/qJ

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 5 IoCs

resource	yara_rule
behavioral2/memory/1756-13-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/1756-39-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/1756-116-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/1756-165-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/1756-167-0x0000000000500000-0x0000000000510200-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
2760	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"	5cb83dc85169ccc79b7f2174331b1896473ed4de42f582627a3d6a4350fd6547N.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/1756-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/2760-5-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/files/0x0009000000023ca4-4.dat	upx
behavioral2/memory/1756-13-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/2760-15-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2760-16-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2760-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2760-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2760-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2760-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2760-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1756-39-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/2760-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/files/0x0002000000021d5e-48.dat	upx
behavioral2/memory/1756-116-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/2760-117-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1756-165-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/2760-166-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1756-167-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/2760-168-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2760-173-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\java.exe	5cb83dc85169ccc79b7f2174331b1896473ed4de42f582627a3d6a4350fd6547N.exe
File created	C:\Windows\java.exe	5cb83dc85169ccc79b7f2174331b1896473ed4de42f582627a3d6a4350fd6547N.exe
File created	C:\Windows\services.exe	5cb83dc85169ccc79b7f2174331b1896473ed4de42f582627a3d6a4350fd6547N.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	5cb83dc85169ccc79b7f2174331b1896473ed4de42f582627a3d6a4350fd6547N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1756 wrote to memory of 2760	1756	5cb83dc85169ccc79b7f2174331b1896473ed4de42f582627a3d6a4350fd6547N.exe	82
PID 1756 wrote to memory of 2760	1756	5cb83dc85169ccc79b7f2174331b1896473ed4de42f582627a3d6a4350fd6547N.exe	82
PID 1756 wrote to memory of 2760	1756	5cb83dc85169ccc79b7f2174331b1896473ed4de42f582627a3d6a4350fd6547N.exe	82

C:\Users\Admin\AppData\Local\Temp\5cb83dc85169ccc79b7f2174331b1896473ed4de42f582627a3d6a4350fd6547N.exe
"C:\Users\Admin\AppData\Local\Temp\5cb83dc85169ccc79b7f2174331b1896473ed4de42f582627a3d6a4350fd6547N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1756
- 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:2760

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\0BHOTC3C\search[2].htm

Filesize
25B

MD5
8ba61a16b71609a08bfa35bc213fce49

SHA1
8374dddcc6b2ede14b0ea00a5870a11b57ced33f

SHA256
6aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1

SHA512
5855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpF538.tmp

Filesize
29KB

MD5
f7f76cf1d9755389d3d5e16e499734c1

SHA1
dced104432bfb1a6d1e6bba70e66112da8caf874

SHA256
c1a55c78f76e02c57e5a81e7a85e7d6b3943ecfc10bb4ae978e8b51a6979dc78

SHA512
832751c26b1f30791f12700c94818211290f6815b6d2a3850eb76fbeb5f8a93ad83d7b13d15c8f01e93b559566aa6c4dfe943422fe5eace590dd46d31ae1ac05

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

Filesize
352B

MD5
8d6c785b08909d1a7178cc9b579b977f

SHA1
9822969510d46bf583e477dd4742dd192f9b4dd5

SHA256
c2d6d5ee0532739c0250287002df664e976dea629a58c2968f59ae2d8c577d82

SHA512
a331f7af41d6146aea30b980873560fec3e93dd36bdebcc91cb9996ce00b007451a1fdda8e9acf21942ff0925b2b0eb7c7a8d7d76e14e71093e3ee64a51a9d36

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/1756-39-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1756-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1756-167-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1756-165-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1756-116-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1756-13-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2760-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2760-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2760-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2760-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2760-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2760-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2760-117-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2760-5-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2760-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2760-166-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2760-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2760-168-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2760-173-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads