mydoom | cda9500a57ad0a93f91beed604dff22271cbd666fd7539565baa5567b1eeb8ea

General

Target

cda9500a57ad0a93f91beed604dff22271cbd666fd7539565baa5567b1eeb8eaN.exe
Size

29KB
MD5

6b24708c21579d62da6a07722dd22880
SHA1

ac3c05d740f34e6d285f478c0e37374deb19b883
SHA256

cda9500a57ad0a93f91beed604dff22271cbd666fd7539565baa5567b1eeb8ea
SHA512

53dce05c17c4c8b59c8d1cd970c36b465cd891298b8771bb3f39c40521f357543b57d2b0aee308b5c51563dcbc555a086399eaee492149d9a4b1705beef06cd2
SSDEEP

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

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 2 IoCs

resource	yara_rule
behavioral1/memory/2132-15-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2132-54-0x0000000000500000-0x0000000000510200-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
2764	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"	cda9500a57ad0a93f91beed604dff22271cbd666fd7539565baa5567b1eeb8eaN.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/2132-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2132-4-0x0000000000220000-0x0000000000228000-memory.dmp	upx
behavioral1/files/0x00070000000193c4-7.dat	upx
behavioral1/memory/2132-15-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2764-18-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2764-19-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2764-24-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2764-29-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2764-31-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2764-36-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2764-41-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2764-43-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2764-48-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2764-53-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2132-54-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2764-55-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2764-60-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0033000000019382-70.dat	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	cda9500a57ad0a93f91beed604dff22271cbd666fd7539565baa5567b1eeb8eaN.exe
File opened for modification	C:\Windows\java.exe	cda9500a57ad0a93f91beed604dff22271cbd666fd7539565baa5567b1eeb8eaN.exe
File created	C:\Windows\java.exe	cda9500a57ad0a93f91beed604dff22271cbd666fd7539565baa5567b1eeb8eaN.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	cda9500a57ad0a93f91beed604dff22271cbd666fd7539565baa5567b1eeb8eaN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2132 wrote to memory of 2764	2132	cda9500a57ad0a93f91beed604dff22271cbd666fd7539565baa5567b1eeb8eaN.exe	30
PID 2132 wrote to memory of 2764	2132	cda9500a57ad0a93f91beed604dff22271cbd666fd7539565baa5567b1eeb8eaN.exe	30
PID 2132 wrote to memory of 2764	2132	cda9500a57ad0a93f91beed604dff22271cbd666fd7539565baa5567b1eeb8eaN.exe	30
PID 2132 wrote to memory of 2764	2132	cda9500a57ad0a93f91beed604dff22271cbd666fd7539565baa5567b1eeb8eaN.exe	30

C:\Users\Admin\AppData\Local\Temp\cda9500a57ad0a93f91beed604dff22271cbd666fd7539565baa5567b1eeb8eaN.exe
"C:\Users\Admin\AppData\Local\Temp\cda9500a57ad0a93f91beed604dff22271cbd666fd7539565baa5567b1eeb8eaN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2132
- 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:2764

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\tmpB50F.tmp

Filesize
29KB

MD5
541b7e3edc5b2a6674b6696e3582f7bd

SHA1
b7c7b2f4bc247d6713f35cc7c4611ea96ea9380c

SHA256
286157bd310b594f9c2a81178c2bd25958017f14ec904239351064f5e2c8df39

SHA512
705585747365ce0e0b79c3e349dd5aea775c906e66929b88a81b93741db61c3687ca06a18c2266f154927151cd2193ff9b2a9427455ef2b2a0749afa025bdd2e

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

Filesize
320B

MD5
d2238d42e4b352801d976d9e0a8a7446

SHA1
9c1afaaab399f65fa02b06d142023b013ea2082d

SHA256
cccf23e1e423ec6131e0f7ec504cd4773ce8425300bacca86f2b8a87815d6ee7

SHA512
55f21f76f1be77409dd490054dc659a6eb7506ec1bff9298aa860dc95be844bba50bb87e157186c235f9ab0fced4c1a25253026977c292c1d5d0825d257e3a6a

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/2132-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2132-4-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/2132-15-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2132-16-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/2132-54-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2764-31-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2764-29-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2764-36-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2764-41-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2764-43-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2764-48-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2764-53-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2764-24-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2764-55-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2764-60-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2764-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2764-18-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads