mydoom | 91258f3500cf09de55ba5cf14a764d7ad29e9246e129f136e3aefbd3ea1d533e

General

Target

91258f3500cf09de55ba5cf14a764d7ad29e9246e129f136e3aefbd3ea1d533eN.exe
Size

29KB
MD5

0b3c48147dc483d7f0a70123672710b0
SHA1

98e89efe57feafe7ca32acbaf67725a560befb4f
SHA256

91258f3500cf09de55ba5cf14a764d7ad29e9246e129f136e3aefbd3ea1d533e
SHA512

854360e3837e253cdae601c0726e2e5c0b4faebdbb70160208459f048236d44b504fc576b736ea168af154a50d0c6d638afd2569fac8a5dc5175bafa8da5439d
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/8:AEwVs+0jNDY1qi/q0

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 6 IoCs

resource	yara_rule
behavioral1/memory/1868-2-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/1868-17-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/1868-49-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/1868-54-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/1868-76-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/1868-80-0x0000000000500000-0x0000000000510200-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
2224	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"	91258f3500cf09de55ba5cf14a764d7ad29e9246e129f136e3aefbd3ea1d533eN.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/1868-2-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1868-4-0x0000000000220000-0x0000000000228000-memory.dmp	upx
behavioral1/files/0x0008000000016d3f-7.dat	upx
behavioral1/memory/2224-11-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1868-17-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2224-20-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2224-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2224-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2224-31-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2224-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2224-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2224-43-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2224-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1868-49-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2224-50-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1868-54-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2224-55-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0038000000016d24-68.dat	upx
behavioral1/memory/1868-76-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2224-77-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1868-80-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2224-81-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	91258f3500cf09de55ba5cf14a764d7ad29e9246e129f136e3aefbd3ea1d533eN.exe
File opened for modification	C:\Windows\java.exe	91258f3500cf09de55ba5cf14a764d7ad29e9246e129f136e3aefbd3ea1d533eN.exe
File created	C:\Windows\java.exe	91258f3500cf09de55ba5cf14a764d7ad29e9246e129f136e3aefbd3ea1d533eN.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	91258f3500cf09de55ba5cf14a764d7ad29e9246e129f136e3aefbd3ea1d533eN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1868 wrote to memory of 2224	1868	91258f3500cf09de55ba5cf14a764d7ad29e9246e129f136e3aefbd3ea1d533eN.exe	30
PID 1868 wrote to memory of 2224	1868	91258f3500cf09de55ba5cf14a764d7ad29e9246e129f136e3aefbd3ea1d533eN.exe	30
PID 1868 wrote to memory of 2224	1868	91258f3500cf09de55ba5cf14a764d7ad29e9246e129f136e3aefbd3ea1d533eN.exe	30
PID 1868 wrote to memory of 2224	1868	91258f3500cf09de55ba5cf14a764d7ad29e9246e129f136e3aefbd3ea1d533eN.exe	30

C:\Users\Admin\AppData\Local\Temp\91258f3500cf09de55ba5cf14a764d7ad29e9246e129f136e3aefbd3ea1d533eN.exe
"C:\Users\Admin\AppData\Local\Temp\91258f3500cf09de55ba5cf14a764d7ad29e9246e129f136e3aefbd3ea1d533eN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1868
- 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:2224

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\tmpB0BC.tmp

Filesize
29KB

MD5
598f042933ba9277dcab7a01f31aaa14

SHA1
cb1a8aecbd0bb9684e21bda923ab555076b35060

SHA256
e885b77bec282bb4cef3324151557ca8c9e36a92819de4c1053f789c700aa101

SHA512
53950645f37e294f81c7c70ca4b6991967599424b9ffca35d95742b0130ffb51d3de592777990aaa315acf61b2ea0d8ce6be657769ddc0e41e57b1d79eb41a4c

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

Filesize
352B

MD5
9e118b43b86e3bb0645d288aa1a10957

SHA1
985a8bfc9294145273143fb57395984fb2c406c7

SHA256
0c8b7b537f7a4e128d498860505cc00a4b8795273ffcd2453b42bae3563e3b86

SHA512
d3aaa595cdebe656390464f5cff9686b41c0ba5cea66011aae085baff9c72bc54fc67affa502733934834f0f7096be2109971e8609d38d8cb27dfcabc9f5d3cd

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/1868-54-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1868-9-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/1868-17-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1868-18-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/1868-80-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1868-76-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1868-4-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/1868-2-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1868-49-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2224-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2224-43-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2224-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2224-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2224-50-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2224-31-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2224-55-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2224-11-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2224-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2224-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2224-77-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2224-20-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2224-81-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads