mydoom | 1afd58086dd7eec2a3f35aa2527e051ac00ffb303899864e750cf907be1361c9

General

Target

1afd58086dd7eec2a3f35aa2527e051ac00ffb303899864e750cf907be1361c9.exe
Size

29KB
MD5

31b01126df62530b3dedda4585149d8e
SHA1

115d58b67f8985fd7cafe3ee068cc5acb87c5137
SHA256

1afd58086dd7eec2a3f35aa2527e051ac00ffb303899864e750cf907be1361c9
SHA512

73a1d3467956870e1dcd1ba49d1b126dd77409f293790c9254cb05e1c7ac24fc769eb134413fbf96f776ed26fbd65c562bde1884f46a68f41713c18192851d3c
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/R:AEwVs+0jNDY1qi/qp

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 2 IoCs

resource	yara_rule
behavioral1/memory/2236-16-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2236-60-0x0000000000500000-0x0000000000510200-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
1744	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"	1afd58086dd7eec2a3f35aa2527e051ac00ffb303899864e750cf907be1361c9.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/2236-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2236-4-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0008000000016210-7.dat	upx
behavioral1/memory/2236-9-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2236-16-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1744-19-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1744-20-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1744-25-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1744-30-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1744-32-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1744-37-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1744-42-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1744-44-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1744-49-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1744-54-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1744-56-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2236-60-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1744-61-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\java.exe	1afd58086dd7eec2a3f35aa2527e051ac00ffb303899864e750cf907be1361c9.exe
File created	C:\Windows\services.exe	1afd58086dd7eec2a3f35aa2527e051ac00ffb303899864e750cf907be1361c9.exe
File opened for modification	C:\Windows\java.exe	1afd58086dd7eec2a3f35aa2527e051ac00ffb303899864e750cf907be1361c9.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	1afd58086dd7eec2a3f35aa2527e051ac00ffb303899864e750cf907be1361c9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2236 wrote to memory of 1744	2236	1afd58086dd7eec2a3f35aa2527e051ac00ffb303899864e750cf907be1361c9.exe	28
PID 2236 wrote to memory of 1744	2236	1afd58086dd7eec2a3f35aa2527e051ac00ffb303899864e750cf907be1361c9.exe	28
PID 2236 wrote to memory of 1744	2236	1afd58086dd7eec2a3f35aa2527e051ac00ffb303899864e750cf907be1361c9.exe	28
PID 2236 wrote to memory of 1744	2236	1afd58086dd7eec2a3f35aa2527e051ac00ffb303899864e750cf907be1361c9.exe	28

C:\Users\Admin\AppData\Local\Temp\1afd58086dd7eec2a3f35aa2527e051ac00ffb303899864e750cf907be1361c9.exe
"C:\Users\Admin\AppData\Local\Temp\1afd58086dd7eec2a3f35aa2527e051ac00ffb303899864e750cf907be1361c9.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2236
- 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:1744

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\zjg9emFVcj.log

Filesize
320B

MD5
63c2d3ef9e2c3fa11a76e04de2287581

SHA1
13fb1b700de021b3255957f0e2b824e41f8031ed

SHA256
880bb07d37c209a72ae5d8e6ce8fad7d9beba2fa85770faf76819c8dbb3159ca

SHA512
6bebde8a53471a93ade89b996685080169a04d109f7f58e911354228d05a0b647180d0dff50321057f742e7f0c7fd493f0f3377ae7818afa36427a625de159c4

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/1744-30-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1744-37-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1744-61-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1744-56-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1744-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1744-20-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1744-25-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1744-54-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1744-32-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1744-49-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1744-42-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1744-44-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2236-4-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2236-9-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2236-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2236-17-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2236-60-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2236-16-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads