mydoom | 6a64751a371b2793506ed034114b8fec17a9eab61617b789ba0f4b08e1d7aa1a

General

Target

6a64751a371b2793506ed034114b8fec17a9eab61617b789ba0f4b08e1d7aa1aN.exe
Size

29KB
MD5

241857b728e504b0398ab3fdaaa7d120
SHA1

1b04f6474bb02301f3d4ab75cd54a99e0ea0ce75
SHA256

6a64751a371b2793506ed034114b8fec17a9eab61617b789ba0f4b08e1d7aa1a
SHA512

03045970eed5760c981782077d759e168c24d22b9740730a64902deb17337b2674dc3df2834263b0ec10f80823dff01ce3b97bb2fc64960b74962574ad6fdc60
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/BB:AEwVs+0jNDY1qi/qn

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 4 IoCs

resource	yara_rule
behavioral2/memory/4412-13-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4412-44-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4412-124-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4412-154-0x0000000000500000-0x0000000000510200-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
1428	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"	6a64751a371b2793506ed034114b8fec17a9eab61617b789ba0f4b08e1d7aa1aN.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4412-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/files/0x0008000000023c7b-4.dat	upx
behavioral2/memory/1428-5-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4412-13-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/1428-15-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1428-16-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1428-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1428-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1428-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1428-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1428-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1428-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4412-44-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/1428-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/files/0x000d000000021a70-55.dat	upx
behavioral2/memory/4412-124-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/1428-125-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4412-154-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/1428-155-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1428-159-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	6a64751a371b2793506ed034114b8fec17a9eab61617b789ba0f4b08e1d7aa1aN.exe
File opened for modification	C:\Windows\java.exe	6a64751a371b2793506ed034114b8fec17a9eab61617b789ba0f4b08e1d7aa1aN.exe
File created	C:\Windows\java.exe	6a64751a371b2793506ed034114b8fec17a9eab61617b789ba0f4b08e1d7aa1aN.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	6a64751a371b2793506ed034114b8fec17a9eab61617b789ba0f4b08e1d7aa1aN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4412 wrote to memory of 1428	4412	6a64751a371b2793506ed034114b8fec17a9eab61617b789ba0f4b08e1d7aa1aN.exe	84
PID 4412 wrote to memory of 1428	4412	6a64751a371b2793506ed034114b8fec17a9eab61617b789ba0f4b08e1d7aa1aN.exe	84
PID 4412 wrote to memory of 1428	4412	6a64751a371b2793506ed034114b8fec17a9eab61617b789ba0f4b08e1d7aa1aN.exe	84

C:\Users\Admin\AppData\Local\Temp\6a64751a371b2793506ed034114b8fec17a9eab61617b789ba0f4b08e1d7aa1aN.exe
"C:\Users\Admin\AppData\Local\Temp\6a64751a371b2793506ed034114b8fec17a9eab61617b789ba0f4b08e1d7aa1aN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4412
- 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:1428

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\9IEW0KLU\search[1].htm

Filesize
25B

MD5
8ba61a16b71609a08bfa35bc213fce49

SHA1
8374dddcc6b2ede14b0ea00a5870a11b57ced33f

SHA256
6aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1

SHA512
5855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpDE3.tmp

Filesize
29KB

MD5
fe050e4aacf51592d8c001474828a374

SHA1
013dd00f236ff4feaeb05b8ac3b7adc4cc0c7db0

SHA256
8c85110255d983dd19ecc08d99918990868fa56872009decaa6a6a9f48b0a29e

SHA512
d3a6aaf4e71543a3b8f23b45b72947841b091d1b35750c44c09d5020de8b88be220971f91ac5d669cfd0106879a32afd56bda6ab2a56dff46ad8d8cdc7c91e93

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

Filesize
352B

MD5
85873fbe424cae548c0781de2927f969

SHA1
1bd26c31b166fa9529c19084f6e15f15da9b31e4

SHA256
68baffd28d2506686c39b85ca7b39db37f2a810c67ffbca47bf5314856f02b65

SHA512
ffbe2defbc5e84f4dcdac3b45122cf6ad4e8297a3e253ac17191cb05c7a35ed31e31fec91f39640e261df1ca01b4f50525206c6e5533f977bc46a95d78dcce67

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

Filesize
352B

MD5
5385a739c844586a7179c64d801cea8b

SHA1
ff0e8380fa6a933e40daec596dc36331b2e8432f

SHA256
d6079785303bf5a00fce3c9e8e1f589706e1f8ab952213df8557703038797615

SHA512
9beb5f93f68f6eb5de4e39b9f3181d9c3c4969fb8ea4b3e7a82680ca4760e55141465074dd899f469e9f407d93e91aaa09f5cbc7e6903a54bb24dc063f8612e0

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/1428-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1428-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1428-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1428-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1428-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1428-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1428-159-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1428-155-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1428-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1428-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1428-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1428-5-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1428-125-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4412-124-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4412-13-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4412-154-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4412-44-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4412-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads