mydoom | bd8fcb674e8ed8c12affe327a4307b4903bcba6f7689baa6e5cbb9832e4051dd

General

Target

bd8fcb674e8ed8c12affe327a4307b4903bcba6f7689baa6e5cbb9832e4051dd.exe
Size

29KB
MD5

5eb97771032fdb4c0fdb67453a5f0b50
SHA1

4baf74de21fda76a441048b7bd55abc69e640618
SHA256

bd8fcb674e8ed8c12affe327a4307b4903bcba6f7689baa6e5cbb9832e4051dd
SHA512

c78178e23c1aa14ef0fed2de03ec9cfbdc7763e79e84857e784d622e7ce243499eb3dfe75ec6f2588fe6154779fae5e2a733f64da992947e9d63759d33ec35c1
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/SR:AEwVs+0jNDY1qi/q6R

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 2 IoCs

resource	yara_rule
behavioral1/memory/2232-16-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2232-60-0x0000000000500000-0x0000000000510200-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
2684	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"	bd8fcb674e8ed8c12affe327a4307b4903bcba6f7689baa6e5cbb9832e4051dd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

UPX packed file 18 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2232-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2232-4-0x0000000000220000-0x0000000000228000-memory.dmp	upx
behavioral1/files/0x0007000000019259-7.dat	upx
behavioral1/memory/2232-9-0x0000000000220000-0x0000000000228000-memory.dmp	upx
behavioral1/memory/2232-16-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2684-19-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2684-20-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2684-25-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2684-30-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2684-32-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2684-37-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2684-42-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2684-44-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2684-49-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2684-54-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2684-56-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2232-60-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2684-61-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	bd8fcb674e8ed8c12affe327a4307b4903bcba6f7689baa6e5cbb9832e4051dd.exe
File opened for modification	C:\Windows\java.exe	bd8fcb674e8ed8c12affe327a4307b4903bcba6f7689baa6e5cbb9832e4051dd.exe
File created	C:\Windows\java.exe	bd8fcb674e8ed8c12affe327a4307b4903bcba6f7689baa6e5cbb9832e4051dd.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	bd8fcb674e8ed8c12affe327a4307b4903bcba6f7689baa6e5cbb9832e4051dd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2232 wrote to memory of 2684	2232	bd8fcb674e8ed8c12affe327a4307b4903bcba6f7689baa6e5cbb9832e4051dd.exe	30
PID 2232 wrote to memory of 2684	2232	bd8fcb674e8ed8c12affe327a4307b4903bcba6f7689baa6e5cbb9832e4051dd.exe	30
PID 2232 wrote to memory of 2684	2232	bd8fcb674e8ed8c12affe327a4307b4903bcba6f7689baa6e5cbb9832e4051dd.exe	30
PID 2232 wrote to memory of 2684	2232	bd8fcb674e8ed8c12affe327a4307b4903bcba6f7689baa6e5cbb9832e4051dd.exe	30

C:\Users\Admin\AppData\Local\Temp\bd8fcb674e8ed8c12affe327a4307b4903bcba6f7689baa6e5cbb9832e4051dd.exe
"C:\Users\Admin\AppData\Local\Temp\bd8fcb674e8ed8c12affe327a4307b4903bcba6f7689baa6e5cbb9832e4051dd.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2232
- 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:2684

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:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/2232-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2232-4-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/2232-9-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/2232-16-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2232-17-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/2232-60-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2684-30-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2684-25-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2684-20-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2684-32-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2684-37-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2684-42-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2684-44-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2684-49-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2684-54-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2684-56-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2684-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2684-61-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads