mydoom | ec5c5dfdb7e87f8a4bb90620c3aa8a856fd1900b849a6714fd33df5fd0d8bb2f

General

Target

f4a3abd2d23ab608e1ff92947067d9be_JaffaCakes118.exe
Size

28KB
MD5

f4a3abd2d23ab608e1ff92947067d9be
SHA1

76d387804118342c47c71fc5a7a2527a719e7921
SHA256

ec5c5dfdb7e87f8a4bb90620c3aa8a856fd1900b849a6714fd33df5fd0d8bb2f
SHA512

49d2433f42974937195d8f60423325962b8a9a758ca19ffb27433911fa1ae24cb0db164cbf2bfb70a1b65ab894fb6a86131cdc9486d56a4b5fefb6b84bc8fcd8
SSDEEP

384:1vxBbK26lj5Id8SpHx9jLhsznnVxA1WmP5w7GGCJlqqwMyNmqlc15:Dv8IRRdsxq1DjJcqfFqlM5

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 5 IoCs

resource	yara_rule
behavioral1/memory/1724-7-0x0000000000500000-0x0000000000510000-memory.dmp	family_mydoom
behavioral1/memory/1724-56-0x0000000000500000-0x0000000000510000-memory.dmp	family_mydoom
behavioral1/memory/1724-79-0x0000000000500000-0x0000000000510000-memory.dmp	family_mydoom
behavioral1/memory/1724-81-0x0000000000500000-0x0000000000510000-memory.dmp	family_mydoom
behavioral1/memory/1724-86-0x0000000000500000-0x0000000000510000-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
1936	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"	f4a3abd2d23ab608e1ff92947067d9be_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

UPX packed file 23 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0008000000019023-5.dat	upx
behavioral1/memory/1936-11-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1724-7-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/1936-20-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1936-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1936-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1936-31-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1936-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1936-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1936-43-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1936-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1936-50-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1936-55-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1724-56-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/1936-57-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1936-62-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0007000000019350-72.dat	upx
behavioral1/memory/1724-79-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/1936-80-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1724-81-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/1936-82-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1724-86-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/1936-87-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	f4a3abd2d23ab608e1ff92947067d9be_JaffaCakes118.exe
File opened for modification	C:\Windows\java.exe	f4a3abd2d23ab608e1ff92947067d9be_JaffaCakes118.exe
File created	C:\Windows\java.exe	f4a3abd2d23ab608e1ff92947067d9be_JaffaCakes118.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	f4a3abd2d23ab608e1ff92947067d9be_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1724 wrote to memory of 1936	1724	f4a3abd2d23ab608e1ff92947067d9be_JaffaCakes118.exe	30
PID 1724 wrote to memory of 1936	1724	f4a3abd2d23ab608e1ff92947067d9be_JaffaCakes118.exe	30
PID 1724 wrote to memory of 1936	1724	f4a3abd2d23ab608e1ff92947067d9be_JaffaCakes118.exe	30
PID 1724 wrote to memory of 1936	1724	f4a3abd2d23ab608e1ff92947067d9be_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\f4a3abd2d23ab608e1ff92947067d9be_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f4a3abd2d23ab608e1ff92947067d9be_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1724
- 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:1936

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp84EB.tmp

Filesize
28KB

MD5
2d800fb724bbba1e223e5253b03e5f2c

SHA1
b195144bfc2f7f4bb72fe41d2c499692f5e5bab2

SHA256
eb981add9ed553f15eca59909f2ebcdeb3d8f479c7b36fe6c53a81196d1cb4bd

SHA512
c7419fbfaa2b989a26ecb492a19214cedc67e14858e6e8814efb8d868faefde5fd47d2e773bb99ab1e04dc3ed3ecddd748a186689f04a7822799b14ceb633cae

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

Filesize
1KB

MD5
39efdd977cb370d5db10ca684e9592ca

SHA1
f9abbc54a595ced07bddcfc057d015578ece08b6

SHA256
25a5d90d493aa21e24f76252abc70e0bbe9bebb2ce34980345fcc5b67d747fac

SHA512
33eddf9409e4e50417e5754704500fa344e97fb77db0a35cac57d0b5fce3df548eab01685f29439077000be17608040825e9922c5b4ebaa8408b6a783084d263

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/1724-17-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/1724-56-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/1724-18-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/1724-8-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/1724-86-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/1724-81-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/1724-79-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/1724-7-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/1724-9-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/1936-31-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1936-62-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1936-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1936-50-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1936-55-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1936-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1936-57-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1936-43-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1936-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1936-11-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1936-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1936-80-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1936-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1936-82-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1936-20-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1936-87-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads