mydoom | 26a40c8e7f8dfae49d667a44a39963aa4c0da9694ac57e974084aaaca51ed69e

General

Target

26a40c8e7f8dfae49d667a44a39963aa4c0da9694ac57e974084aaaca51ed69eN.exe
Size

29KB
MD5

cd5d6c943e4f599818ff587475913220
SHA1

aa64cbe3f2e7927f0950ea52addb264f11e231e3
SHA256

26a40c8e7f8dfae49d667a44a39963aa4c0da9694ac57e974084aaaca51ed69e
SHA512

6e40059e2c89044d1ddc8147d5ea2215841e7d90e074136282b5afc706f5dc9a7eaa61acce6b2dabe7cca6e091d26018c55cf4b61dedebcc04ac9fac75d2af08
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/h:AEwVs+0jNDY1qi/qZ

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 3 IoCs

resource	yara_rule
behavioral1/memory/1500-16-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/1500-53-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/1500-80-0x0000000000500000-0x0000000000510200-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
2080	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"	26a40c8e7f8dfae49d667a44a39963aa4c0da9694ac57e974084aaaca51ed69eN.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
behavioral1/memory/1500-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1500-3-0x0000000000220000-0x0000000000228000-memory.dmp	upx
behavioral1/memory/2080-10-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x000800000001930d-8.dat	upx
behavioral1/memory/1500-16-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2080-19-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2080-20-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2080-25-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2080-30-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2080-32-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2080-37-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2080-42-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2080-44-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2080-49-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1500-53-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2080-54-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2080-56-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x000800000001938e-69.dat	upx
behavioral1/memory/1500-80-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2080-81-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\java.exe	26a40c8e7f8dfae49d667a44a39963aa4c0da9694ac57e974084aaaca51ed69eN.exe
File created	C:\Windows\services.exe	26a40c8e7f8dfae49d667a44a39963aa4c0da9694ac57e974084aaaca51ed69eN.exe
File opened for modification	C:\Windows\java.exe	26a40c8e7f8dfae49d667a44a39963aa4c0da9694ac57e974084aaaca51ed69eN.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	26a40c8e7f8dfae49d667a44a39963aa4c0da9694ac57e974084aaaca51ed69eN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1500 wrote to memory of 2080	1500	26a40c8e7f8dfae49d667a44a39963aa4c0da9694ac57e974084aaaca51ed69eN.exe	30
PID 1500 wrote to memory of 2080	1500	26a40c8e7f8dfae49d667a44a39963aa4c0da9694ac57e974084aaaca51ed69eN.exe	30
PID 1500 wrote to memory of 2080	1500	26a40c8e7f8dfae49d667a44a39963aa4c0da9694ac57e974084aaaca51ed69eN.exe	30
PID 1500 wrote to memory of 2080	1500	26a40c8e7f8dfae49d667a44a39963aa4c0da9694ac57e974084aaaca51ed69eN.exe	30

C:\Users\Admin\AppData\Local\Temp\26a40c8e7f8dfae49d667a44a39963aa4c0da9694ac57e974084aaaca51ed69eN.exe
"C:\Users\Admin\AppData\Local\Temp\26a40c8e7f8dfae49d667a44a39963aa4c0da9694ac57e974084aaaca51ed69eN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1500
- 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:2080

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\Temp\tmp4137.tmp

Filesize
29KB

MD5
1b354cd533eb117c02d9e8d9ac92ead1

SHA1
8e3393ef36a4cd7f48fea4e540dd7080241cafc1

SHA256
ed1925d6b373d0c393670094b4b16b2e82c95b71a92a5cdce18cbff75b920fb8

SHA512
2a538f7533ff0a4e7e699bd3536e85d6584386f71f9567035b3096bbf7aeb66ebbf6e4e9b4c330125f9f5d85aec9303dd00b6b002515c4baaca16b50ad6ccf77

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

Filesize
288B

MD5
d669fac51701ca91b56204405c713065

SHA1
680119ab9820aeeb1c789f1466a9487f0c8b0db7

SHA256
2991171cad22fcf56fe5253602bfdc464e8d68baaf2053e00eee584216b0c5f1

SHA512
ec418a2a14708e8fb298d3c65e16d79727b4eee7228889c77cd14728e173769fb93b78481826d036607444d5d5721da5b2ad042ad966a5f1dae760c129f90ccb

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/1500-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1500-3-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/1500-80-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1500-16-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1500-17-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/1500-53-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2080-30-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2080-32-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2080-37-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2080-42-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2080-44-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2080-49-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2080-25-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2080-54-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2080-56-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2080-20-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2080-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2080-10-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2080-81-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads