mydoom | 4a4b91b49d6f28be13598922d579dbefaa8ede77384d92a8d4834f5fa88ed0d4

General

Target

4a4b91b49d6f28be13598922d579dbefaa8ede77384d92a8d4834f5fa88ed0d4N.exe
Size

29KB
MD5

6daf21113d2d25293b8edc1c0a4a86e0
SHA1

57822cee8871f47d6b5dc883b9d5f2c79c214c12
SHA256

4a4b91b49d6f28be13598922d579dbefaa8ede77384d92a8d4834f5fa88ed0d4
SHA512

d9c275017e88910f9cd7ef122b78b337f622f307cbbd12bf5db8f580cc69f9eadc90b180d7444c32f7798365c5531ef713bbae90cf939c038f6349513f21a817
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Ch9:AEwVs+0jNDY1qi/qqn

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 7 IoCs

resource	yara_rule
behavioral2/memory/3652-13-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/3652-32-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/3652-117-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/3652-149-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/3652-158-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/3652-177-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/3652-220-0x0000000000500000-0x0000000000510200-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
2940	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"	4a4b91b49d6f28be13598922d579dbefaa8ede77384d92a8d4834f5fa88ed0d4N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

UPX packed file 23 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3652-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/files/0x0007000000023cb4-4.dat	upx
behavioral2/memory/2940-5-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3652-13-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/2940-15-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2940-16-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2940-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2940-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2940-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3652-32-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/2940-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/files/0x000300000001e733-43.dat	upx
behavioral2/memory/3652-117-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/2940-118-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3652-149-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/2940-150-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2940-154-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3652-158-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/2940-159-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3652-177-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/2940-178-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3652-220-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/2940-221-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	4a4b91b49d6f28be13598922d579dbefaa8ede77384d92a8d4834f5fa88ed0d4N.exe
File opened for modification	C:\Windows\java.exe	4a4b91b49d6f28be13598922d579dbefaa8ede77384d92a8d4834f5fa88ed0d4N.exe
File created	C:\Windows\java.exe	4a4b91b49d6f28be13598922d579dbefaa8ede77384d92a8d4834f5fa88ed0d4N.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	4a4b91b49d6f28be13598922d579dbefaa8ede77384d92a8d4834f5fa88ed0d4N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3652 wrote to memory of 2940	3652	4a4b91b49d6f28be13598922d579dbefaa8ede77384d92a8d4834f5fa88ed0d4N.exe	82
PID 3652 wrote to memory of 2940	3652	4a4b91b49d6f28be13598922d579dbefaa8ede77384d92a8d4834f5fa88ed0d4N.exe	82
PID 3652 wrote to memory of 2940	3652	4a4b91b49d6f28be13598922d579dbefaa8ede77384d92a8d4834f5fa88ed0d4N.exe	82

C:\Users\Admin\AppData\Local\Temp\4a4b91b49d6f28be13598922d579dbefaa8ede77384d92a8d4834f5fa88ed0d4N.exe
"C:\Users\Admin\AppData\Local\Temp\4a4b91b49d6f28be13598922d579dbefaa8ede77384d92a8d4834f5fa88ed0d4N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3652
- 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:2940

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0GUUC90F\default[8].htm

Filesize
312B

MD5
c15952329e9cd008b41f979b6c76b9a2

SHA1
53c58cc742b5a0273df8d01ba2779a979c1ff967

SHA256
5d065a88f9a1fb565c2d70e87148d469dd9dcbbefea4ccc8c181745eda748ab7

SHA512
6aecdd949abcd2cb54e2fe3e1171ee47c247aa3980a0847b9934f506ef9b2d3180831adf6554c68b0621f9f9f3cd88767ef9487bc6e51cecd6a8857099a7b296

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\IQ93NPJ1\search[2].htm

Filesize
25B

MD5
8ba61a16b71609a08bfa35bc213fce49

SHA1
8374dddcc6b2ede14b0ea00a5870a11b57ced33f

SHA256
6aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1

SHA512
5855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\ZA7RG4JF\default[1].htm

Filesize
304B

MD5
267ddfdbb8d492b25de208d84b290f1c

SHA1
9f57d9f19f25549e1232489a0c101a92e851de2f

SHA256
ef1f87447ae1ab45548d2934cf0dbd15a32b86359ff9fccfa48d76c1badf6586

SHA512
0709aa62d39d419d335183235dcf328e1dfe6997bd9bfbdeb01bb050df8dcab63ec2d4f46e4718ab389fa8e12af66dec2e3019c8871ac6e40927a25cb706c6b3

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp6F61.tmp

Filesize
29KB

MD5
9bf1c69b0623d564721c23ed3aaa3fef

SHA1
8cd37f8b24f9484ed4f661a5f5abde5edeb89594

SHA256
5c8b29066b66525e2d5817e3cb866d68b9db9f8797904a6200d7383a6981699f

SHA512
67ef71902f6dc7a73d68959819a5a29a219331e4685726fe0c2c76820b9eda0c79dd3f60c986ca7162b88dcbd18eb7f188c947564668d5094e989a720daadbfd

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

Filesize
320B

MD5
b4f2aa2b50c9a8bf20269dce87d55065

SHA1
9c9cbffd40a963f3f30bf2b11f44c91ea7420fdc

SHA256
db0951171960fad93df7276ab73fd3674f445052d7284a7a94ca8874b551d967

SHA512
e2a03913cf3df47cdb19523b3d2e9febde891b4b8922979bdd8431a59769c344f6c7cc499c04252db2416c9d9e179d8be45117e9cbd0a9f7b27a953430245908

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

Filesize
320B

MD5
8d8a9a2dff509ec250fb8dfcb25ac982

SHA1
9052399242bf3410e9ce01bff096cb65ad7ceab5

SHA256
f977aa4f5c71cf4344fa016eeaf9b801a030f54e0b568b4516a392966756cde4

SHA512
b5af79c2015c54527664a6934d9d8b69f81a1f08bd020367b862ecf5f3af1d4d499953d584e44439a8041f3a1d3362b3e98c4719fe1d0d617e883cb1ba096ba5

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

Filesize
320B

MD5
72afbdb201e5c2be07c96e537b948ca8

SHA1
01d52d1459e4ca16b2d7ff589877d934ce48a5a9

SHA256
ab46ad04d8c283b0477dc52786ab16da2024b766aae4c7a9725291b87b42a264

SHA512
291a37f13e87b1ab9795085e329abd68c21e3a908b80e7bab6264e4aa5eff56959b6cddc8aa6ee8c550b3e88314868f700581fe50a6530c79e80125c5da50168

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/2940-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2940-178-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2940-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2940-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2940-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2940-5-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2940-221-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2940-118-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2940-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2940-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2940-150-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2940-154-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2940-159-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3652-158-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/3652-149-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/3652-177-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/3652-32-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/3652-220-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/3652-117-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/3652-13-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/3652-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads