mydoom | a3cff3547ebbd32c1d7ad7f147631197500e8fabedcb87b3bc3c447530d902f2

General

Target

a3cff3547ebbd32c1d7ad7f147631197500e8fabedcb87b3bc3c447530d902f2N.exe
Size

29KB
MD5

f6d26f3ef2a91c7234af32d3141c6e60
SHA1

148b73a35b876a8f7b27bfb2ceaf19d32314856f
SHA256

a3cff3547ebbd32c1d7ad7f147631197500e8fabedcb87b3bc3c447530d902f2
SHA512

03ca5b394f00211a5f1d67b4d32ae73a41495b986df0cb2a39d773ead322f00364803a17bd2541b1e411287ee7d1b146b1a81adaa3850df895265e80726e5d15
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/T:AEwVs+0jNDY1qi/qL

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 7 IoCs

resource	yara_rule
behavioral1/memory/2432-2-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2432-9-0x0000000000220000-0x0000000000228000-memory.dmp	family_mydoom
behavioral1/memory/2432-17-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2432-48-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2432-53-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2432-72-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2432-76-0x0000000000500000-0x0000000000510200-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
2216	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"	a3cff3547ebbd32c1d7ad7f147631197500e8fabedcb87b3bc3c447530d902f2N.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/2432-2-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2432-4-0x0000000000220000-0x0000000000228000-memory.dmp	upx
behavioral1/files/0x0008000000016d04-10.dat	upx
behavioral1/memory/2216-11-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2432-9-0x0000000000220000-0x0000000000228000-memory.dmp	upx
behavioral1/memory/2432-17-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2216-19-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2216-20-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2216-25-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2216-30-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2216-32-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2216-37-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2216-42-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2216-44-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2432-48-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2216-49-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2432-53-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2216-54-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0005000000004ed7-64.dat	upx
behavioral1/memory/2432-72-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2216-73-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2432-76-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2216-77-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\java.exe	a3cff3547ebbd32c1d7ad7f147631197500e8fabedcb87b3bc3c447530d902f2N.exe
File created	C:\Windows\java.exe	a3cff3547ebbd32c1d7ad7f147631197500e8fabedcb87b3bc3c447530d902f2N.exe
File created	C:\Windows\services.exe	a3cff3547ebbd32c1d7ad7f147631197500e8fabedcb87b3bc3c447530d902f2N.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	a3cff3547ebbd32c1d7ad7f147631197500e8fabedcb87b3bc3c447530d902f2N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2432 wrote to memory of 2216	2432	a3cff3547ebbd32c1d7ad7f147631197500e8fabedcb87b3bc3c447530d902f2N.exe	30
PID 2432 wrote to memory of 2216	2432	a3cff3547ebbd32c1d7ad7f147631197500e8fabedcb87b3bc3c447530d902f2N.exe	30
PID 2432 wrote to memory of 2216	2432	a3cff3547ebbd32c1d7ad7f147631197500e8fabedcb87b3bc3c447530d902f2N.exe	30
PID 2432 wrote to memory of 2216	2432	a3cff3547ebbd32c1d7ad7f147631197500e8fabedcb87b3bc3c447530d902f2N.exe	30

C:\Users\Admin\AppData\Local\Temp\a3cff3547ebbd32c1d7ad7f147631197500e8fabedcb87b3bc3c447530d902f2N.exe
"C:\Users\Admin\AppData\Local\Temp\a3cff3547ebbd32c1d7ad7f147631197500e8fabedcb87b3bc3c447530d902f2N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2432
- 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:2216

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\tmpFBCE.tmp

Filesize
29KB

MD5
0f418c2fdcb86192698868cb3ac9166a

SHA1
71f57ed0b8f69aa055c631deb8f181de30ba42ed

SHA256
05e8d5b52cabd7231b2b5a4e7247f6fa023fa3d142a396bf41794f9518070d01

SHA512
d08ff7e82b8d9b46371b019d0de19f9b0f68af5780caea5580b2f4b00e90a49190c4c3c001b89e13b9610fae974498f0c5c24dc5403f7a88f12c838dc575f10a

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

Filesize
320B

MD5
bec740e2ce331925edf0b233d2f12934

SHA1
366f843bdad6f985a35a6adc3a6d782d4a99c6bf

SHA256
103a544db5df1cb19c6a7156986678a8a96538ee2067ff99847a3991d23d4ea9

SHA512
ce40a39515f7ad2895998e114be2de0c36f4700aac0513a1588abac24c79a517508201e2fb5059c70d75e9e2e1c1a7c226de72158f2af46dfcbf1fe7243de32b

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/2216-54-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2216-11-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2216-77-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2216-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2216-20-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2216-25-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2216-30-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2216-32-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2216-37-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2216-42-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2216-44-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2216-73-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2216-49-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2432-48-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2432-2-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2432-53-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2432-4-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/2432-72-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2432-9-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/2432-76-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2432-17-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads