mydoom | b1f53e593f9bf27488e3d2b389475b04bab1defa076ed06a44adae42c5da4e30

General

Target

b1f53e593f9bf27488e3d2b389475b04bab1defa076ed06a44adae42c5da4e30N.exe
Size

29KB
MD5

da94c2a1f7f9ff603a490a132ea29c40
SHA1

518325fa283bdf10aa9692c79d13346c14375c9f
SHA256

b1f53e593f9bf27488e3d2b389475b04bab1defa076ed06a44adae42c5da4e30
SHA512

3f7c17dada3817a953b58ae9719f9bc6f5809f23fa68a8df501a18dbfd866cd1a71b7346fdea5481f2451e48900e0756711403fda6b9b8b6875720faae38d5e2
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/o:AEwVs+0jNDY1qi/qA

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 4 IoCs

resource	yara_rule
behavioral2/memory/4796-13-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4796-49-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4796-51-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4796-156-0x0000000000500000-0x0000000000510200-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
3812	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"	b1f53e593f9bf27488e3d2b389475b04bab1defa076ed06a44adae42c5da4e30N.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
behavioral2/memory/4796-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/files/0x0007000000023cbc-4.dat	upx
behavioral2/memory/3812-6-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4796-13-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/3812-15-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3812-16-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3812-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3812-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3812-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3812-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3812-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3812-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3812-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4796-49-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/3812-50-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4796-51-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/3812-52-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/files/0x0004000000000705-62.dat	upx
behavioral2/memory/4796-156-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/3812-159-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	b1f53e593f9bf27488e3d2b389475b04bab1defa076ed06a44adae42c5da4e30N.exe
File opened for modification	C:\Windows\java.exe	b1f53e593f9bf27488e3d2b389475b04bab1defa076ed06a44adae42c5da4e30N.exe
File created	C:\Windows\java.exe	b1f53e593f9bf27488e3d2b389475b04bab1defa076ed06a44adae42c5da4e30N.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	b1f53e593f9bf27488e3d2b389475b04bab1defa076ed06a44adae42c5da4e30N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4796 wrote to memory of 3812	4796	b1f53e593f9bf27488e3d2b389475b04bab1defa076ed06a44adae42c5da4e30N.exe	83
PID 4796 wrote to memory of 3812	4796	b1f53e593f9bf27488e3d2b389475b04bab1defa076ed06a44adae42c5da4e30N.exe	83
PID 4796 wrote to memory of 3812	4796	b1f53e593f9bf27488e3d2b389475b04bab1defa076ed06a44adae42c5da4e30N.exe	83

C:\Users\Admin\AppData\Local\Temp\b1f53e593f9bf27488e3d2b389475b04bab1defa076ed06a44adae42c5da4e30N.exe
"C:\Users\Admin\AppData\Local\Temp\b1f53e593f9bf27488e3d2b389475b04bab1defa076ed06a44adae42c5da4e30N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4796
- 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:3812

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\XH3Z2ZON\search[2].htm

Filesize
25B

MD5
8ba61a16b71609a08bfa35bc213fce49

SHA1
8374dddcc6b2ede14b0ea00a5870a11b57ced33f

SHA256
6aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1

SHA512
5855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp38FA.tmp

Filesize
29KB

MD5
389fbedefab479f4237d809ab76b9ee1

SHA1
5eb598b3b88f24500a2dcc4a35f8bf5d6603758c

SHA256
a9b3b84cb02e013dab2a79e091d3625e4bf606c73ebbca2f0a8aa6034643b621

SHA512
c34b2e5f87147faaa27df1c078ccf6e0f607d3e5a2e1025addccc47a3553cdacdb4837c71fdf234cca8798f4b4977cbb6d12b569baa3286e0c0c77cc460b7901

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

Filesize
384B

MD5
92436d875e4999fcabd8c9dd10167080

SHA1
9f958bb312ffd5bbb2d64d3e4c52e81942482d9a

SHA256
e6b9618bc575101e9a4c765c6be3c2d52dcd9a9f5d6edb7dd8dca172b1ad9079

SHA512
fe8cf356904ab74cd99f0f988b3ce4a5d5c04c6d6fb5b67e9f2b58b2cb348ed7484fdd36eab8996e1fd33a52789cfe52edc23c90bf207af009860b676f19e990

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

Filesize
384B

MD5
b464015684bc0ba9d1544003c8950336

SHA1
acf7ec487bf0d78517de572ce5c5af1a595dffad

SHA256
5fdc3cbf33a14046b6ab49d2a84393ac5a41cc0c07c4fe1707c4aa46537bef83

SHA512
f0a9e1e028ab72b4e35390f7e84570162173f9f0927a173cf624a8fe96ccf42e0ed200d730974d8dfbd8348d7ea6482551a332134afe1c52aff9721e33f0f58e

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/3812-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3812-50-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3812-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3812-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3812-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3812-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3812-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3812-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3812-6-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3812-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3812-159-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3812-52-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3812-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4796-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4796-13-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4796-156-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4796-51-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4796-49-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads