mydoom | 4b64bfaa37909cfea9e7d98bd0d808341284346fad0ddd5f31612ef71aa530c0

General

Target

4b64bfaa37909cfea9e7d98bd0d808341284346fad0ddd5f31612ef71aa530c0N.exe
Size

29KB
MD5

6fe378591153a925dc6e0cadf24476b0
SHA1

0e7421565a1ef9fae3c6693af473caa8c4baa6fb
SHA256

4b64bfaa37909cfea9e7d98bd0d808341284346fad0ddd5f31612ef71aa530c0
SHA512

169bc510a62ecacdd087e978a483d6a6a0ea6be0b2804fff4b5076ed3ba78f6f2408fea61b35cfd5f444980f84b85882d95503de097756895685053c4fd333fa
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/whp:AEwVs+0jNDY1qi/qIT

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 5 IoCs

resource	yara_rule
behavioral1/memory/2628-17-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2628-43-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2628-69-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2628-71-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2628-76-0x0000000000500000-0x0000000000510200-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
1892	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"	4b64bfaa37909cfea9e7d98bd0d808341284346fad0ddd5f31612ef71aa530c0N.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
behavioral1/memory/2628-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2628-4-0x00000000001B0000-0x00000000001B8000-memory.dmp	upx
behavioral1/files/0x0008000000016d24-7.dat	upx
behavioral1/memory/2628-9-0x00000000001B0000-0x00000000001B8000-memory.dmp	upx
behavioral1/memory/1892-11-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2628-17-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1892-19-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1892-20-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1892-25-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1892-30-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1892-32-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1892-37-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1892-42-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2628-43-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1892-44-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1892-49-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0037000000016d0b-59.dat	upx
behavioral1/memory/1892-70-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2628-69-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2628-71-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1892-72-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2628-76-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1892-77-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\java.exe	4b64bfaa37909cfea9e7d98bd0d808341284346fad0ddd5f31612ef71aa530c0N.exe
File created	C:\Windows\services.exe	4b64bfaa37909cfea9e7d98bd0d808341284346fad0ddd5f31612ef71aa530c0N.exe
File opened for modification	C:\Windows\java.exe	4b64bfaa37909cfea9e7d98bd0d808341284346fad0ddd5f31612ef71aa530c0N.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	4b64bfaa37909cfea9e7d98bd0d808341284346fad0ddd5f31612ef71aa530c0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2628 wrote to memory of 1892	2628	4b64bfaa37909cfea9e7d98bd0d808341284346fad0ddd5f31612ef71aa530c0N.exe	31
PID 2628 wrote to memory of 1892	2628	4b64bfaa37909cfea9e7d98bd0d808341284346fad0ddd5f31612ef71aa530c0N.exe	31
PID 2628 wrote to memory of 1892	2628	4b64bfaa37909cfea9e7d98bd0d808341284346fad0ddd5f31612ef71aa530c0N.exe	31
PID 2628 wrote to memory of 1892	2628	4b64bfaa37909cfea9e7d98bd0d808341284346fad0ddd5f31612ef71aa530c0N.exe	31

C:\Users\Admin\AppData\Local\Temp\4b64bfaa37909cfea9e7d98bd0d808341284346fad0ddd5f31612ef71aa530c0N.exe
"C:\Users\Admin\AppData\Local\Temp\4b64bfaa37909cfea9e7d98bd0d808341284346fad0ddd5f31612ef71aa530c0N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2628
- 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:1892

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\Temp\tmp3314.tmp

Filesize
29KB

MD5
16c1887cff1d5b7ccdd5ad4ddf4ddab5

SHA1
4cc0df6dd45d9bcc67aaf9073e703d4f9d726df9

SHA256
7cc19f0d79c69431251e9b045b45b0c2f83533174e83e2df262113f68f6b3434

SHA512
e8997d174b466136825640d6ba5adb31eedacf5cbbb2593e8633f81f93f1cc7fceac8ee191ac45afb697968d21db66985ec5938521e1e915af895603748acfe2

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

Filesize
320B

MD5
929bb02e0d6efd6084c63267d104770f

SHA1
d2b8838616f2326a61e289f13b52dbb80da0cfbb

SHA256
8124fbd982d80adb3e68b0163b4147547ab8f30768b03208e7da1e2b75a147f1

SHA512
87645f16b5b365cf0b61834c3b87fc419f688520fcfab86f5f704f4edd224b7adcde239a15d0eee3bd78a36c0df1718d4ff860aa013f4603a97c1732f419608b

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/1892-37-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1892-44-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1892-77-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1892-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1892-20-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1892-25-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1892-30-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1892-32-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1892-72-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1892-42-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1892-70-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1892-11-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1892-49-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2628-9-0x00000000001B0000-0x00000000001B8000-memory.dmp

Filesize
32KB

Download
memory/2628-4-0x00000000001B0000-0x00000000001B8000-memory.dmp

Filesize
32KB

Download
memory/2628-43-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2628-69-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2628-71-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2628-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2628-76-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2628-17-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads