mydoom | 5e256644f39402c86b9f730d5902c885c590ce70d32e79c4c5531e168c678f8c

General

Target

eca6c93dfc0022016e0af18e9e67469b_JaffaCakes118.exe
Size

30KB
MD5

eca6c93dfc0022016e0af18e9e67469b
SHA1

dd2d9b20522fbbfe466fbd594a428bd7661a7e4b
SHA256

5e256644f39402c86b9f730d5902c885c590ce70d32e79c4c5531e168c678f8c
SHA512

e5683795e94cd6715bea333eec684c369a36edf0cdcc8c85e1cf0daf8d51d32bc73256a6305f13fd015939359252efb24af8ce45cbc72a2773b66dc390735b75
SSDEEP

384:1vxBbK26lj5Id8SpHx9jLhsznnVxA1WmP5w7GGCJlqqwMyNn/KAhG:Dv8IRRdsxq1DjJcqf6y

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 5 IoCs

resource	yara_rule
behavioral2/memory/4980-13-0x0000000000500000-0x0000000000510000-memory.dmp	family_mydoom
behavioral2/memory/4980-56-0x0000000000500000-0x0000000000510000-memory.dmp	family_mydoom
behavioral2/memory/4980-61-0x0000000000500000-0x0000000000510000-memory.dmp	family_mydoom
behavioral2/memory/4980-155-0x0000000000500000-0x0000000000510000-memory.dmp	family_mydoom
behavioral2/memory/4980-170-0x0000000000500000-0x0000000000510000-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
3980	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\Services = "C:\\Windows\\services.exe"	services.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe"	eca6c93dfc0022016e0af18e9e67469b_JaffaCakes118.exe

UPX packed file 24 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4980-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/files/0x000a000000023b89-4.dat	upx
behavioral2/memory/3980-6-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4980-13-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/memory/3980-15-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3980-16-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3980-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3980-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3980-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3980-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3980-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3980-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3980-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3980-50-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3980-52-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4980-56-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/memory/3980-57-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4980-61-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/files/0x0003000000000705-66.dat	upx
behavioral2/memory/3980-87-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4980-155-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/memory/3980-156-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4980-170-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/memory/3980-171-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	eca6c93dfc0022016e0af18e9e67469b_JaffaCakes118.exe
File opened for modification	C:\Windows\java.exe	eca6c93dfc0022016e0af18e9e67469b_JaffaCakes118.exe
File created	C:\Windows\java.exe	eca6c93dfc0022016e0af18e9e67469b_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	eca6c93dfc0022016e0af18e9e67469b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4980 wrote to memory of 3980	4980	eca6c93dfc0022016e0af18e9e67469b_JaffaCakes118.exe	82
PID 4980 wrote to memory of 3980	4980	eca6c93dfc0022016e0af18e9e67469b_JaffaCakes118.exe	82
PID 4980 wrote to memory of 3980	4980	eca6c93dfc0022016e0af18e9e67469b_JaffaCakes118.exe	82

C:\Users\Admin\AppData\Local\Temp\eca6c93dfc0022016e0af18e9e67469b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\eca6c93dfc0022016e0af18e9e67469b_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:4980
- 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:3980

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\Microsoft\Windows\INetCache\IE\HOI3BGS3\search[2].htm

Filesize
25B

MD5
8ba61a16b71609a08bfa35bc213fce49

SHA1
8374dddcc6b2ede14b0ea00a5870a11b57ced33f

SHA256
6aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1

SHA512
5855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp672C.tmp

Filesize
30KB

MD5
6f786b4d29c0c7175d69ac2d01039d48

SHA1
ca160d419580073e87261b331c8512b881a59b3b

SHA256
6212de566019e173a5d33ffc74bf72d734abc8af8c5221566dcae3d23d98d2cb

SHA512
b11d239003374dd2d3cf488433dfa56b4cfbe68a47ec7a91f66c97dd46e53a181d140a196b55b7608e95748a0ec75950fdea8b176d8d810241b5589f786162b8

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

Filesize
1KB

MD5
3491279910d59c191ba20ff5fc00eea4

SHA1
1265f6f8ea525ad9e14f8cba3d816d8f642ad2d2

SHA256
c1e936b1318ad407ded16e88a5856b542f235e1a5aba5de6003d48e7cf22bd7c

SHA512
e1551d63ba01e83076b01ba309badb2e9a15fcdf2268f0a33321baf864e04a333a0903e982f0684440e652af6d80b5a4ad19e3da3a5600c20c2036fa73805d89

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/3980-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3980-87-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3980-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3980-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3980-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3980-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3980-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3980-171-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3980-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3980-50-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3980-52-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3980-156-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3980-57-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3980-6-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3980-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3980-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4980-13-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/4980-61-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/4980-155-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/4980-56-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/4980-170-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/4980-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads