mydoom | b4e3c0c8380d7a2acd9d7d9c383f1049c6f2045010755c24c6bcf1b12482d0ce

General

Target

b4e3c0c8380d7a2acd9d7d9c383f1049c6f2045010755c24c6bcf1b12482d0ce.exe
Size

29KB
MD5

b4b0cf3732a6b1ba244a6cb778253618
SHA1

864964d86b8a275b24919f736d959b17f2905578
SHA256

b4e3c0c8380d7a2acd9d7d9c383f1049c6f2045010755c24c6bcf1b12482d0ce
SHA512

b9826853fbddded7cb7b1b558fa5c9f621d8d97db1b1a2d0967c11a59dc5e0813448e7f3b314a934da9da35089ebf8cd5a39a55a35424be2fa37435c16cce07e
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Z3v:AEwVs+0jNDY1qi/qt

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 4 IoCs

resource	yara_rule
behavioral1/memory/2988-16-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2988-52-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2988-54-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2988-75-0x0000000000500000-0x0000000000510200-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
3044	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"	b4e3c0c8380d7a2acd9d7d9c383f1049c6f2045010755c24c6bcf1b12482d0ce.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/2988-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2988-4-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x00080000000175f1-7.dat	upx
behavioral1/memory/3044-10-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2988-16-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/3044-18-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/3044-19-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/3044-24-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/3044-29-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/3044-31-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/3044-36-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/3044-41-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/3044-43-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/3044-48-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2988-52-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/3044-53-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2988-54-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/3044-55-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0007000000018706-65.dat	upx
behavioral1/memory/2988-75-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/3044-76-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\java.exe	b4e3c0c8380d7a2acd9d7d9c383f1049c6f2045010755c24c6bcf1b12482d0ce.exe
File created	C:\Windows\services.exe	b4e3c0c8380d7a2acd9d7d9c383f1049c6f2045010755c24c6bcf1b12482d0ce.exe
File opened for modification	C:\Windows\java.exe	b4e3c0c8380d7a2acd9d7d9c383f1049c6f2045010755c24c6bcf1b12482d0ce.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	b4e3c0c8380d7a2acd9d7d9c383f1049c6f2045010755c24c6bcf1b12482d0ce.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2988 wrote to memory of 3044	2988	b4e3c0c8380d7a2acd9d7d9c383f1049c6f2045010755c24c6bcf1b12482d0ce.exe	30
PID 2988 wrote to memory of 3044	2988	b4e3c0c8380d7a2acd9d7d9c383f1049c6f2045010755c24c6bcf1b12482d0ce.exe	30
PID 2988 wrote to memory of 3044	2988	b4e3c0c8380d7a2acd9d7d9c383f1049c6f2045010755c24c6bcf1b12482d0ce.exe	30
PID 2988 wrote to memory of 3044	2988	b4e3c0c8380d7a2acd9d7d9c383f1049c6f2045010755c24c6bcf1b12482d0ce.exe	30

C:\Users\Admin\AppData\Local\Temp\b4e3c0c8380d7a2acd9d7d9c383f1049c6f2045010755c24c6bcf1b12482d0ce.exe
"C:\Users\Admin\AppData\Local\Temp\b4e3c0c8380d7a2acd9d7d9c383f1049c6f2045010755c24c6bcf1b12482d0ce.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2988
- 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:3044

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\tmp50B1.tmp

Filesize
29KB

MD5
ef253c22efc0966d45fcfc0b275c1d57

SHA1
00225b905cc9e6feef68a885ef2a9d87dadf8b36

SHA256
c78d527aafec3b038eb324aad22aacc8b9d397fa36e5ba329eda1cde8df39c08

SHA512
74426564b025f641a6c0a09badb3b78fc1365e82bba2bb6d3fbf8bc2a3c12d1729f75db1b8bbb6a778e0a2dce884710dd5d0a4d099fc8943e189526574beaf63

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

Filesize
352B

MD5
915a251bf75cffcf1b92b817f353ef00

SHA1
676063dff61c15a7350e8052d01bd71dcdb638ef

SHA256
a32f57338284fd559ade3a2613645b1ce898b271ed5552778f32a9ff347a4209

SHA512
6789b5513fe9086034bf6e056f996f3b03f524042fe0e1c6c7c508e20415b6b9ff1e89a6e4f9ce3419ad9083eafb8f1e6555c37807207785175e7fafe859e9e1

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/2988-52-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2988-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2988-75-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2988-4-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2988-54-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2988-16-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/3044-29-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3044-36-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3044-41-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3044-43-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3044-48-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3044-31-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3044-53-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3044-24-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3044-55-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3044-10-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3044-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

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

Filesize
32KB

Download
memory/3044-76-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads