mydoom | 3d5623c850b75c1f5370121bc096d39bc787e00180f00d5db7405cacbfee1b5e

General

Target

3d5623c850b75c1f5370121bc096d39bc787e00180f00d5db7405cacbfee1b5eN.exe
Size

29KB
MD5

b53348fd6fa7655cc5d2df5564490b60
SHA1

a82bee89ac7c683d727416777eb7bb6d7aedaa6c
SHA256

3d5623c850b75c1f5370121bc096d39bc787e00180f00d5db7405cacbfee1b5e
SHA512

d86dfc933d8bc8304726913c6f40d59902299637a5c96215a5bf38a2ef61f70b028171efc041afe85b1e6fc954dea6fb582e88a47a31bc625ad62e12d9c055a2
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/is:AEwVs+0jNDY1qi/qD

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 5 IoCs

resource	yara_rule
behavioral1/memory/2536-15-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2536-40-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2536-58-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2536-62-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2536-64-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom

MyDoom
MyDoom is a Worm that is written in C++.
worm mydoom

Executes dropped EXE 1 IoCs

pid	Process
1708	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"	3d5623c850b75c1f5370121bc096d39bc787e00180f00d5db7405cacbfee1b5eN.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2536-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2536-4-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0008000000016d42-7.dat	upx
behavioral1/memory/2536-15-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1708-18-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1708-19-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1708-24-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1708-29-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1708-31-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1708-36-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2536-40-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1708-41-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1708-43-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0004000000004ed7-51.dat	upx
behavioral1/memory/2536-58-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1708-59-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2536-62-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1708-63-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2536-64-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1708-65-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1708-70-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\java.exe	3d5623c850b75c1f5370121bc096d39bc787e00180f00d5db7405cacbfee1b5eN.exe
File created	C:\Windows\java.exe	3d5623c850b75c1f5370121bc096d39bc787e00180f00d5db7405cacbfee1b5eN.exe
File created	C:\Windows\services.exe	3d5623c850b75c1f5370121bc096d39bc787e00180f00d5db7405cacbfee1b5eN.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	3d5623c850b75c1f5370121bc096d39bc787e00180f00d5db7405cacbfee1b5eN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2536 wrote to memory of 1708	2536	3d5623c850b75c1f5370121bc096d39bc787e00180f00d5db7405cacbfee1b5eN.exe	28
PID 2536 wrote to memory of 1708	2536	3d5623c850b75c1f5370121bc096d39bc787e00180f00d5db7405cacbfee1b5eN.exe	28
PID 2536 wrote to memory of 1708	2536	3d5623c850b75c1f5370121bc096d39bc787e00180f00d5db7405cacbfee1b5eN.exe	28
PID 2536 wrote to memory of 1708	2536	3d5623c850b75c1f5370121bc096d39bc787e00180f00d5db7405cacbfee1b5eN.exe	28

C:\Users\Admin\AppData\Local\Temp\3d5623c850b75c1f5370121bc096d39bc787e00180f00d5db7405cacbfee1b5eN.exe
"C:\Users\Admin\AppData\Local\Temp\3d5623c850b75c1f5370121bc096d39bc787e00180f00d5db7405cacbfee1b5eN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2536
- 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:1708

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\tmp9D77.tmp

Filesize
29KB

MD5
33495dc81e0f901e30ff2b68149ccd2e

SHA1
b0f0edc08531e2abd8ff9b77742c79b58e80cc95

SHA256
7565b394c2d6432ba1e93f3346cf5981f13d09cb35ad16b1305ee264bf7a9d4a

SHA512
d64a25d3f1920f95c6dc29b25504bc9e2163767f69d0c308ebdee7fbc0ba558b4a579e5184a914a559e414cdf40753787678f7615531fa0876a35757490fd1f7

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

Filesize
352B

MD5
2f4d88c935a155a06d4f3d77f664baf0

SHA1
cd41def0355c14bf882242f6eaa5a8dceeaf6b3b

SHA256
5ec417fa942b39b21211d6307531527a15da0e15f10efe5c154fd485a1ccb4e6

SHA512
2fb46ac94b51ebf829ae1f677d9a2645b718ccf35cfda8c2ea65629a09f42829d8f605fabf9a5ed6e643f10998bca1a13e0848b672ddcd15a145d1b3ea236dc3

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/1708-59-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1708-41-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1708-18-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1708-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1708-24-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1708-29-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1708-31-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1708-36-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1708-70-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1708-65-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1708-43-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1708-63-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2536-4-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2536-58-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2536-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2536-62-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2536-15-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2536-64-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2536-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2536-40-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads