mydoom | 38b19124183b59d096a4b8ff95177201a8e9c9b0eab7bf9e99bb6de23e8cb675

General

Target

38b19124183b59d096a4b8ff95177201a8e9c9b0eab7bf9e99bb6de23e8cb675N.exe
Size

29KB
MD5

c821fa786a35caf9c337641b56777b30
SHA1

1a70da349fd86ba3e5418e5f93b883ee6f963684
SHA256

38b19124183b59d096a4b8ff95177201a8e9c9b0eab7bf9e99bb6de23e8cb675
SHA512

917dd80c99be5a93d17bfe3f8e2904b8934bfd56e76d68bc45ead1b607ea83aac0920533d9acfb22d7f302f0e744e3a85b3a91c7f50a4fcb14d643b8e419519e
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/WS:AEwVs+0jNDY1qi/qh

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 5 IoCs

resource	yara_rule
behavioral1/memory/1960-16-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/1960-48-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/1960-53-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/1960-69-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/1960-73-0x0000000000500000-0x0000000000510200-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
2496	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"	38b19124183b59d096a4b8ff95177201a8e9c9b0eab7bf9e99bb6de23e8cb675N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

UPX packed file 22 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1960-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1960-4-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0008000000019275-7.dat	upx
behavioral1/memory/2496-10-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1960-16-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2496-19-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2496-20-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2496-25-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2496-30-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2496-32-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2496-37-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2496-42-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2496-44-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1960-48-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2496-49-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1960-53-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2496-54-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0005000000004ed7-64.dat	upx
behavioral1/memory/1960-69-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2496-70-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1960-73-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2496-74-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\java.exe	38b19124183b59d096a4b8ff95177201a8e9c9b0eab7bf9e99bb6de23e8cb675N.exe
File created	C:\Windows\java.exe	38b19124183b59d096a4b8ff95177201a8e9c9b0eab7bf9e99bb6de23e8cb675N.exe
File created	C:\Windows\services.exe	38b19124183b59d096a4b8ff95177201a8e9c9b0eab7bf9e99bb6de23e8cb675N.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	38b19124183b59d096a4b8ff95177201a8e9c9b0eab7bf9e99bb6de23e8cb675N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1960 wrote to memory of 2496	1960	38b19124183b59d096a4b8ff95177201a8e9c9b0eab7bf9e99bb6de23e8cb675N.exe	31
PID 1960 wrote to memory of 2496	1960	38b19124183b59d096a4b8ff95177201a8e9c9b0eab7bf9e99bb6de23e8cb675N.exe	31
PID 1960 wrote to memory of 2496	1960	38b19124183b59d096a4b8ff95177201a8e9c9b0eab7bf9e99bb6de23e8cb675N.exe	31
PID 1960 wrote to memory of 2496	1960	38b19124183b59d096a4b8ff95177201a8e9c9b0eab7bf9e99bb6de23e8cb675N.exe	31

C:\Users\Admin\AppData\Local\Temp\38b19124183b59d096a4b8ff95177201a8e9c9b0eab7bf9e99bb6de23e8cb675N.exe
"C:\Users\Admin\AppData\Local\Temp\38b19124183b59d096a4b8ff95177201a8e9c9b0eab7bf9e99bb6de23e8cb675N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1960
- 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:2496

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\tmp4D57.tmp

Filesize
29KB

MD5
9c405c485586976e8d05e6225032b594

SHA1
5c2095fd958cba74d8eff3a1b1d66dcabc20897c

SHA256
39947078fac9c4c6097ca63802f1ced395ca3cb3b52fabb4f4e5a97a2552da67

SHA512
86f8e4f0d978db16b484ce921c0c32b6fa5cca6820996f25f142a046048b79d0247c9e95ee9b7846ada10eebb24c1dced3f1333ccb5db88cbb155fad6b9bc34e

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

Filesize
352B

MD5
ed2757cb8fee4e61a8918ada3109f8d7

SHA1
3bbf7f07e558234683d999fb02db01ccefacdaf9

SHA256
23285368d2894e7c6cc11b98058ec437a429e11ce9b0e238f1483a736ac162d2

SHA512
8f1271e2ec685372e0ac9940605407bb4eebafe4c0094ccdf67ff50cfd5627eca791d3845f8122f3348641952a08a4c2e96765bd7b8721f26564d6aabc52d8fc

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/1960-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1960-4-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1960-73-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1960-16-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1960-17-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1960-69-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1960-53-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1960-48-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2496-37-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2496-42-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2496-44-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2496-32-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2496-49-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2496-30-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2496-54-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2496-25-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2496-20-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2496-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2496-70-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2496-10-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2496-74-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads