mydoom | 98fb9ca63adfb23fc28cdd276979927fe306fc8c27efaf30c0c14b1f2ba31c71

General

Target

98fb9ca63adfb23fc28cdd276979927fe306fc8c27efaf30c0c14b1f2ba31c71N.exe
Size

29KB
MD5

c43d07109f9b992529ba52d1f7498c60
SHA1

d31e322d61e09af3f540caa24561fd6910df4d92
SHA256

98fb9ca63adfb23fc28cdd276979927fe306fc8c27efaf30c0c14b1f2ba31c71
SHA512

cedb5e2349881a15c6dde617952df8a029c7fa04f8e84ee58cf3868a8e2499736814000ee95f81e0cf58f83c3ee3c25bec8f4ff20046927503a83e0ddd647af3
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Sh:AEwVs+0jNDY1qi/q6h

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 3 IoCs

resource	yara_rule
behavioral2/memory/2916-13-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/2916-51-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/2916-75-0x0000000000500000-0x0000000000510200-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
1712	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\Services = "C:\\Windows\\services.exe"	services.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe"	98fb9ca63adfb23fc28cdd276979927fe306fc8c27efaf30c0c14b1f2ba31c71N.exe

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2916-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/files/0x0008000000023caa-4.dat	upx
behavioral2/memory/1712-5-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2916-13-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/1712-15-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1712-16-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1712-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1712-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1712-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1712-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1712-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1712-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1712-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1712-50-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2916-51-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/1712-52-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/files/0x0004000000000709-65.dat	upx
behavioral2/memory/2916-75-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/1712-76-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\java.exe	98fb9ca63adfb23fc28cdd276979927fe306fc8c27efaf30c0c14b1f2ba31c71N.exe
File created	C:\Windows\java.exe	98fb9ca63adfb23fc28cdd276979927fe306fc8c27efaf30c0c14b1f2ba31c71N.exe
File created	C:\Windows\services.exe	98fb9ca63adfb23fc28cdd276979927fe306fc8c27efaf30c0c14b1f2ba31c71N.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	98fb9ca63adfb23fc28cdd276979927fe306fc8c27efaf30c0c14b1f2ba31c71N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2916 wrote to memory of 1712	2916	98fb9ca63adfb23fc28cdd276979927fe306fc8c27efaf30c0c14b1f2ba31c71N.exe	85
PID 2916 wrote to memory of 1712	2916	98fb9ca63adfb23fc28cdd276979927fe306fc8c27efaf30c0c14b1f2ba31c71N.exe	85
PID 2916 wrote to memory of 1712	2916	98fb9ca63adfb23fc28cdd276979927fe306fc8c27efaf30c0c14b1f2ba31c71N.exe	85

C:\Users\Admin\AppData\Local\Temp\98fb9ca63adfb23fc28cdd276979927fe306fc8c27efaf30c0c14b1f2ba31c71N.exe
"C:\Users\Admin\AppData\Local\Temp\98fb9ca63adfb23fc28cdd276979927fe306fc8c27efaf30c0c14b1f2ba31c71N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2916
- 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:1712

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\OIPZWEW8\search[2].htm

Filesize
25B

MD5
8ba61a16b71609a08bfa35bc213fce49

SHA1
8374dddcc6b2ede14b0ea00a5870a11b57ced33f

SHA256
6aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1

SHA512
5855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8342.tmp

Filesize
29KB

MD5
0f7d61d2edabe01d6f3613f05b820058

SHA1
f467b6103c5d5dc410126ea2a8505f405e8628c9

SHA256
6777592627188525fce1d287c6fa4d558ffa79dccdc53f42e9deec920354734a

SHA512
2659b22dd38d11334c6bf2bdf41509cdaf4aed7673a10429c6582166ff71dbf0a63630d34d738f66a03ebbd6fbc20afd55b52e1357442075cf3dda50a6abacf5

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

Filesize
352B

MD5
6b9fe655d07cc2275e5f90c9eeea0cc3

SHA1
a487a6165074923495030015fa740862e901ce8d

SHA256
093305c4a0f0ca29b8077b0057b2ed3bc52ecd5007d33185e7f5f1c5cdbc2d7f

SHA512
b40095aec45d0ac689d006e0c7bc0ba490bec779f8aaf6fd69e32049460c1beaf5fd26abce41b931bf8752e5dc42b12940f63fd4e02a80390e2857746ee2a221

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/1712-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1712-76-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1712-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1712-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1712-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1712-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1712-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1712-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1712-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1712-50-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1712-5-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1712-52-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1712-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2916-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2916-75-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2916-13-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2916-51-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads