mydoom | a10038b541237e0ba08f2404c3fe154b50265113f20ea12195481be52c604d7e

General

Target

a10038b541237e0ba08f2404c3fe154b50265113f20ea12195481be52c604d7eN.exe
Size

29KB
MD5

872fa92a928c58d70e9d5ddd4606c530
SHA1

f4271d48dc52c2524dce752ba71ae460a69503d6
SHA256

a10038b541237e0ba08f2404c3fe154b50265113f20ea12195481be52c604d7e
SHA512

c741b85eb03947526c7422f010aa0e6baa230eb3a3840b5a2a9599e91c8445da7f2f1e4e50992fc3e5228082ff13be5fb3ac4a7e6afd9d8c5ccf584eebcd66d3
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/PhQ:AEwVs+0jNDY1qi/q3m

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 5 IoCs

resource	yara_rule
behavioral1/memory/2620-2-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2620-17-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2620-53-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2620-55-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2620-73-0x0000000000500000-0x0000000000510200-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
2580	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"	a10038b541237e0ba08f2404c3fe154b50265113f20ea12195481be52c604d7eN.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/2620-2-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2620-4-0x0000000000220000-0x0000000000228000-memory.dmp	upx
behavioral1/files/0x0007000000019551-7.dat	upx
behavioral1/memory/2580-11-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2620-17-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2580-19-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2580-20-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2580-25-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2580-30-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2580-32-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2580-37-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2580-42-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2580-44-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2580-49-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2620-53-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2580-54-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2620-55-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2580-56-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x00070000000195f9-66.dat	upx
behavioral1/memory/2620-73-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2580-74-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\java.exe	a10038b541237e0ba08f2404c3fe154b50265113f20ea12195481be52c604d7eN.exe
File created	C:\Windows\services.exe	a10038b541237e0ba08f2404c3fe154b50265113f20ea12195481be52c604d7eN.exe
File opened for modification	C:\Windows\java.exe	a10038b541237e0ba08f2404c3fe154b50265113f20ea12195481be52c604d7eN.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	a10038b541237e0ba08f2404c3fe154b50265113f20ea12195481be52c604d7eN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2620 wrote to memory of 2580	2620	a10038b541237e0ba08f2404c3fe154b50265113f20ea12195481be52c604d7eN.exe	30
PID 2620 wrote to memory of 2580	2620	a10038b541237e0ba08f2404c3fe154b50265113f20ea12195481be52c604d7eN.exe	30
PID 2620 wrote to memory of 2580	2620	a10038b541237e0ba08f2404c3fe154b50265113f20ea12195481be52c604d7eN.exe	30
PID 2620 wrote to memory of 2580	2620	a10038b541237e0ba08f2404c3fe154b50265113f20ea12195481be52c604d7eN.exe	30

C:\Users\Admin\AppData\Local\Temp\a10038b541237e0ba08f2404c3fe154b50265113f20ea12195481be52c604d7eN.exe
"C:\Users\Admin\AppData\Local\Temp\a10038b541237e0ba08f2404c3fe154b50265113f20ea12195481be52c604d7eN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2620
- 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:2580

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\tmp5BF7.tmp

Filesize
29KB

MD5
9fb2ea5fe7a94b6e2ba081ea8690a6bd

SHA1
5bab16fd30c6ef512ee4d0f3cf915b981db96130

SHA256
dcf772f42995a9f9a0225bf8abe3e8885c9f96fe8ce74f90daaf0bf26ad7e6a8

SHA512
342d3fc1689e5ee856a25122705f53d8f6f5f7aa71f8ca7100cf730f26158e24f75918ca543890b3b8ca43f419e4177d835d41a4fd91a0276f9ee3b31547f804

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

Filesize
320B

MD5
a0d68f583bb133ea3182491422092033

SHA1
a18867d771267b57ff5ec8ae99d9ca3ac0f46d08

SHA256
f0beac821201472c11d7b879ecb4edf1bfc250b906c2820976dea6be36ad4a30

SHA512
e4e858c372d7a03bcf1357db960ca43e419a391db1022dd0f530b1ba4611ea9f23a76ae96c5ce7b3466e125c6e3387b2f8a989512422ed574eb6dfb2327116ec

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/2580-20-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2580-11-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2580-74-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2580-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2580-54-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2580-25-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2580-30-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2580-32-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2580-37-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2580-42-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2580-44-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2580-49-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2580-56-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2620-17-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2620-55-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2620-53-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2620-2-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2620-9-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/2620-73-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2620-4-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads