mydoom | 5383df07913328fd95c8bfa5aebb4e626c1138a0cdb95bbdaa7a8d4881d4ed32

General

Target

5383df07913328fd95c8bfa5aebb4e626c1138a0cdb95bbdaa7a8d4881d4ed32N.exe
Size

29KB
MD5

46686ddb9f1eff2fa87a7a55f5d211b0
SHA1

4d1334b2a1af17e0f9498557faad9257239b3f6c
SHA256

5383df07913328fd95c8bfa5aebb4e626c1138a0cdb95bbdaa7a8d4881d4ed32
SHA512

b3b503c086d40ff88655d2b04d8d5336ee5ef4990bacdf5343d1be7d66d950930081527f96bea72ed233637432a5a2355e3c3f3a9d02a0f3ca486ef960c9a748
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Ph3:AEwVs+0jNDY1qi/qHV

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 3 IoCs

resource	yara_rule
behavioral2/memory/4500-13-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4500-51-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4500-56-0x0000000000500000-0x0000000000510200-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
1964	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"	5383df07913328fd95c8bfa5aebb4e626c1138a0cdb95bbdaa7a8d4881d4ed32N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4500-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/files/0x000a000000023b84-4.dat	upx
behavioral2/memory/1964-5-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4500-13-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/1964-15-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1964-16-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1964-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1964-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1964-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1964-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1964-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1964-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1964-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1964-50-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4500-51-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/1964-52-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4500-56-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/files/0x0004000000000709-66.dat	upx
behavioral2/memory/1964-82-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	5383df07913328fd95c8bfa5aebb4e626c1138a0cdb95bbdaa7a8d4881d4ed32N.exe
File opened for modification	C:\Windows\java.exe	5383df07913328fd95c8bfa5aebb4e626c1138a0cdb95bbdaa7a8d4881d4ed32N.exe
File created	C:\Windows\java.exe	5383df07913328fd95c8bfa5aebb4e626c1138a0cdb95bbdaa7a8d4881d4ed32N.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	5383df07913328fd95c8bfa5aebb4e626c1138a0cdb95bbdaa7a8d4881d4ed32N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4500 wrote to memory of 1964	4500	5383df07913328fd95c8bfa5aebb4e626c1138a0cdb95bbdaa7a8d4881d4ed32N.exe	84
PID 4500 wrote to memory of 1964	4500	5383df07913328fd95c8bfa5aebb4e626c1138a0cdb95bbdaa7a8d4881d4ed32N.exe	84
PID 4500 wrote to memory of 1964	4500	5383df07913328fd95c8bfa5aebb4e626c1138a0cdb95bbdaa7a8d4881d4ed32N.exe	84

C:\Users\Admin\AppData\Local\Temp\5383df07913328fd95c8bfa5aebb4e626c1138a0cdb95bbdaa7a8d4881d4ed32N.exe
"C:\Users\Admin\AppData\Local\Temp\5383df07913328fd95c8bfa5aebb4e626c1138a0cdb95bbdaa7a8d4881d4ed32N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4500
- 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:1964

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\ZA7RG4JF\search[2].htm

Filesize
25B

MD5
8ba61a16b71609a08bfa35bc213fce49

SHA1
8374dddcc6b2ede14b0ea00a5870a11b57ced33f

SHA256
6aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1

SHA512
5855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp2B1F.tmp

Filesize
29KB

MD5
15d0e76f6fab791b2810083c15176b07

SHA1
f027408c2a8ff6be229982095bd3b3064e689e8a

SHA256
ea9186f5674b3506ff1e5f9f8a4dc2df2349d463d750e9b7dad9e3618520a071

SHA512
b91a3129751563754764f83de22322ab5d3f4ac33ebb05f36a9782ffdcd183eea1653d8abc3108e1f37853c207dbd3ecec2f7cfd28a47dcf491909dd819c4baa

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

Filesize
320B

MD5
fd482f5081a784c48f9055b6f45f0a50

SHA1
f9efe093ab8040bc9d6cf89768502851723d212b

SHA256
612283801516d529b1b1a0b3665b54a791d3a869b19627bc415305c0c10e803d

SHA512
9422a62fb80c41320480c78853494a4bd49d2c45065fa71cb2880f7fbe7fe5afcd504a142dbb29a9d0ab6ff77645574c4e40dc2761ed77292e46234d894bf241

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/1964-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1964-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1964-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1964-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1964-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1964-5-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1964-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1964-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1964-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1964-50-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1964-82-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1964-52-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1964-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4500-56-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4500-13-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4500-51-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4500-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads