mydoom | c899359b687107ea1d1d98ff5da236dc025b5779631a1df31994c2b5f6afeff9

General

Target

c899359b687107ea1d1d98ff5da236dc025b5779631a1df31994c2b5f6afeff9N.exe
Size

29KB
MD5

5e36d3bbc8f9d81f7aa0c8bef3713620
SHA1

07963a9c955607fd39c08ae6dd4531632a5f1be1
SHA256

c899359b687107ea1d1d98ff5da236dc025b5779631a1df31994c2b5f6afeff9
SHA512

53de99872723ae2c1c289bdc45a70d18a610024fb02201773f3a499093cc5f1c6567a1abb69ef5dab382bcfb3bcf98bea77dbc6e3587ab4339a06b26af582111
SSDEEP

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

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 4 IoCs

resource	yara_rule
behavioral1/memory/2060-17-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2060-53-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2060-55-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2060-76-0x0000000000500000-0x0000000000510200-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
324	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"	c899359b687107ea1d1d98ff5da236dc025b5779631a1df31994c2b5f6afeff9N.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/2060-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2060-4-0x0000000000260000-0x0000000000268000-memory.dmp	upx
behavioral1/memory/2060-9-0x0000000000260000-0x0000000000268000-memory.dmp	upx
behavioral1/files/0x00080000000193b8-7.dat	upx
behavioral1/memory/324-11-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2060-17-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/324-19-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/324-20-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/324-25-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/324-30-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/324-32-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/324-37-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/324-42-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/324-44-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/324-49-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2060-53-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/324-54-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2060-55-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/324-56-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0031000000019326-66.dat	upx
behavioral1/memory/2060-76-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/324-77-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\java.exe	c899359b687107ea1d1d98ff5da236dc025b5779631a1df31994c2b5f6afeff9N.exe
File created	C:\Windows\java.exe	c899359b687107ea1d1d98ff5da236dc025b5779631a1df31994c2b5f6afeff9N.exe
File created	C:\Windows\services.exe	c899359b687107ea1d1d98ff5da236dc025b5779631a1df31994c2b5f6afeff9N.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	c899359b687107ea1d1d98ff5da236dc025b5779631a1df31994c2b5f6afeff9N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2060 wrote to memory of 324	2060	c899359b687107ea1d1d98ff5da236dc025b5779631a1df31994c2b5f6afeff9N.exe	29
PID 2060 wrote to memory of 324	2060	c899359b687107ea1d1d98ff5da236dc025b5779631a1df31994c2b5f6afeff9N.exe	29
PID 2060 wrote to memory of 324	2060	c899359b687107ea1d1d98ff5da236dc025b5779631a1df31994c2b5f6afeff9N.exe	29
PID 2060 wrote to memory of 324	2060	c899359b687107ea1d1d98ff5da236dc025b5779631a1df31994c2b5f6afeff9N.exe	29

C:\Users\Admin\AppData\Local\Temp\c899359b687107ea1d1d98ff5da236dc025b5779631a1df31994c2b5f6afeff9N.exe
"C:\Users\Admin\AppData\Local\Temp\c899359b687107ea1d1d98ff5da236dc025b5779631a1df31994c2b5f6afeff9N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2060
- 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:324

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\bcepeU.log

Filesize
320B

MD5
764bff1caac696b8294c84e4b474f142

SHA1
d3d8f0bc93ed776f87c2993cc8868217f6bcbfd7

SHA256
c6871caba6a87aca45283b9dc85f25c718a819a863185b5146914570e5aca7aa

SHA512
075e05543ba2a2177437059d71208f0227d494753ca7ca2fab27e336a25f227732e8282e1be4373a8befc1b8d6d43626eed9e5cb0a1045044bbeef729618315e

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp772.tmp

Filesize
29KB

MD5
ffae664111e125f38927f04249dda809

SHA1
75b045759ac041855127ac5519b7f0deec0b223f

SHA256
8bb8f853fb25397962ec23373f608e17824d8af81f612e7c0739a8895cda2399

SHA512
7fcd57efa351d115f6edccd0d061e942b225c72002c07ea88ffe6682eb4e0e2d04749216bc138c4b82277cbe2a9d1e14c100765b019b028f79631adf19594f87

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

Filesize
352B

MD5
64d6be59095020a23794c9c813437ab0

SHA1
87a6c5e1e28a62e8f82916898b52415a8ac035c9

SHA256
1937039142e578f2616741ed8b3bfe90e4d7f3225815333cad7ddee01c4ec644

SHA512
81432d8227083ec5280af2ae61772117cc4fa44a58527c3d2203460ecfb7511edee566127ac3dfd0439dba1687e24e1ec31ffdb1af332fca90645bb1caae26aa

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/324-54-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/324-44-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/324-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/324-20-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/324-25-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/324-30-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/324-32-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/324-37-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/324-42-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/324-77-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/324-11-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/324-49-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/324-56-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2060-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2060-55-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2060-53-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2060-9-0x0000000000260000-0x0000000000268000-memory.dmp

Filesize
32KB

Download
memory/2060-4-0x0000000000260000-0x0000000000268000-memory.dmp

Filesize
32KB

Download
memory/2060-76-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2060-17-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads