mydoom | b42a61cba2b947efd3c4571b6edd014331f5e2a31e0038e9491db30e5a3ec295

General

Target

b42a61cba2b947efd3c4571b6edd014331f5e2a31e0038e9491db30e5a3ec295.exe
Size

29KB
MD5

498f760f87e9481a3971986cb6b3494a
SHA1

171b3b13355d24ad6498c9b330be8476674d2c0d
SHA256

b42a61cba2b947efd3c4571b6edd014331f5e2a31e0038e9491db30e5a3ec295
SHA512

579cc8b4f85fb50a75059803a02e67adc7cd450046e9d95cce9003aee826992df5d2684b03da7625612e23b8bb757436e2135dfdc66a5d07a24d763ee5891fb3
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/V:AEwVs+0jNDY1qi/qd

Score

10^/10

mydoom discovery persistence upx worm

Malware Config

Signatures

Detects MyDoom family 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3044-7-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/3044-61-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom

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

Executes dropped EXE 1 IoCs

Processes:

services.exe

pid	Process
536	services.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

b42a61cba2b947efd3c4571b6edd014331f5e2a31e0038e9491db30e5a3ec295.exeservices.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe"	b42a61cba2b947efd3c4571b6edd014331f5e2a31e0038e9491db30e5a3ec295.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

UPX packed file 16 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/3044-7-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/files/0x0008000000016276-10.dat	upx
behavioral1/memory/536-11-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/536-20-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/536-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/536-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/536-31-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/536-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/536-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/536-43-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/536-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/536-50-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/536-55-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/536-57-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/3044-61-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/536-62-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

Processes:

b42a61cba2b947efd3c4571b6edd014331f5e2a31e0038e9491db30e5a3ec295.exe

description	ioc	Process
File created	C:\Windows\services.exe	b42a61cba2b947efd3c4571b6edd014331f5e2a31e0038e9491db30e5a3ec295.exe
File opened for modification	C:\Windows\java.exe	b42a61cba2b947efd3c4571b6edd014331f5e2a31e0038e9491db30e5a3ec295.exe
File created	C:\Windows\java.exe	b42a61cba2b947efd3c4571b6edd014331f5e2a31e0038e9491db30e5a3ec295.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

Processes:

b42a61cba2b947efd3c4571b6edd014331f5e2a31e0038e9491db30e5a3ec295.exeservices.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b42a61cba2b947efd3c4571b6edd014331f5e2a31e0038e9491db30e5a3ec295.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

b42a61cba2b947efd3c4571b6edd014331f5e2a31e0038e9491db30e5a3ec295.exe

description	pid	Process	procid_target
PID 3044 wrote to memory of 536	3044	b42a61cba2b947efd3c4571b6edd014331f5e2a31e0038e9491db30e5a3ec295.exe	30
PID 3044 wrote to memory of 536	3044	b42a61cba2b947efd3c4571b6edd014331f5e2a31e0038e9491db30e5a3ec295.exe	30
PID 3044 wrote to memory of 536	3044	b42a61cba2b947efd3c4571b6edd014331f5e2a31e0038e9491db30e5a3ec295.exe	30
PID 3044 wrote to memory of 536	3044	b42a61cba2b947efd3c4571b6edd014331f5e2a31e0038e9491db30e5a3ec295.exe	30

C:\Users\Admin\AppData\Local\Temp\b42a61cba2b947efd3c4571b6edd014331f5e2a31e0038e9491db30e5a3ec295.exe
"C:\Users\Admin\AppData\Local\Temp\b42a61cba2b947efd3c4571b6edd014331f5e2a31e0038e9491db30e5a3ec295.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3044
- 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:536

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\zincite.log

MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/536-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/536-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/536-62-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/536-11-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/536-57-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/536-55-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/536-20-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/536-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/536-50-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/536-31-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/536-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/536-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/536-43-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3044-9-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3044-7-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/3044-17-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3044-18-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3044-61-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/3044-8-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads