mydoom | c43bfc818576410b24716620364bdd47e7a5c5f70a536b245e3c1e0d581f3d5d

General

Target

a7f1cea428dcdd38bf0f5debf51f93a4_JaffaCakes118.exe
Size

28KB
MD5

a7f1cea428dcdd38bf0f5debf51f93a4
SHA1

5cc9b4bfaedb573c67331f5a2d3d3fdb8d52f5cc
SHA256

c43bfc818576410b24716620364bdd47e7a5c5f70a536b245e3c1e0d581f3d5d
SHA512

9314ca717f839bc69969fd5cefabfcc72cb729e856c89e2bdfc74c583e834216a00d5ae8de2437d4c0aef008afbfbb7c874531ed671c492a4d39101888fc63a0
SSDEEP

384:1vxBbK26lj5Id8SpHx9jLhsznnVxA1WmP5w7GGCJlqqwMyNRszOt:Dv8IRRdsxq1DjJcqf0t

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 4 IoCs

resource	yara_rule
behavioral1/memory/2740-15-0x0000000000500000-0x0000000000510000-memory.dmp	family_mydoom
behavioral1/memory/2740-59-0x0000000000500000-0x0000000000510000-memory.dmp	family_mydoom
behavioral1/memory/2740-83-0x0000000000500000-0x0000000000510000-memory.dmp	family_mydoom
behavioral1/memory/2740-87-0x0000000000500000-0x0000000000510000-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
2840	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"	a7f1cea428dcdd38bf0f5debf51f93a4_JaffaCakes118.exe

UPX packed file 23 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2740-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/files/0x00080000000162e9-7.dat	upx
behavioral1/memory/2740-4-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2740-15-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2840-18-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2840-19-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2840-24-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2840-29-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2840-31-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2840-36-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2840-41-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2840-43-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2840-48-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2840-53-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2840-55-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2840-60-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2740-59-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2840-65-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0015000000015e9a-75.dat	upx
behavioral1/memory/2740-83-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2840-84-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2740-87-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2840-88-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\java.exe	a7f1cea428dcdd38bf0f5debf51f93a4_JaffaCakes118.exe
File created	C:\Windows\services.exe	a7f1cea428dcdd38bf0f5debf51f93a4_JaffaCakes118.exe
File opened for modification	C:\Windows\java.exe	a7f1cea428dcdd38bf0f5debf51f93a4_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	a7f1cea428dcdd38bf0f5debf51f93a4_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 2740 wrote to memory of 2840	2740	a7f1cea428dcdd38bf0f5debf51f93a4_JaffaCakes118.exe	30
PID 2740 wrote to memory of 2840	2740	a7f1cea428dcdd38bf0f5debf51f93a4_JaffaCakes118.exe	30
PID 2740 wrote to memory of 2840	2740	a7f1cea428dcdd38bf0f5debf51f93a4_JaffaCakes118.exe	30
PID 2740 wrote to memory of 2840	2740	a7f1cea428dcdd38bf0f5debf51f93a4_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\a7f1cea428dcdd38bf0f5debf51f93a4_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a7f1cea428dcdd38bf0f5debf51f93a4_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:2740
- 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:2840

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\bcepeU.log

Filesize
1KB

MD5
19314e2613944c1c13f90b1bbaa2e4a5

SHA1
031433ef4e8e3069fe4c28516875515a353945c0

SHA256
87eacd8bc9b5cb7360b1db7926aa2d57e12ba0fb0a8fb435c7c7ff9fafdb94f0

SHA512
53186d783d51e494e8c3f67335495478bb2b157f2653b2618ee6187128bf84b6455cb6b2dfda7be288ff134c6b91836ad344268c389317425721e1a2de9eab86

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp255E.tmp

Filesize
28KB

MD5
a9128f9ee21afd93a96e1d504a1527b2

SHA1
428dc54ef07f1abf962e963b99f6248678b8181c

SHA256
b837afef8cdb6f3a37968fdf10cf1b2e7f1478718bc8e0997a38d09f1347b594

SHA512
f9a325645ba3607742e2bb050006850968e836c23f3417573c5361aa29264df35b0397f95aed4e58725daef657ad915cdcd7da58bb2acc5ea46cde1b29e13642

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

Filesize
1KB

MD5
3e19e46b37573e7f3b52dfc553004717

SHA1
d0f8f84f9d6aa40f9bbd6e1ee212dfbf79e5d913

SHA256
8ce274986fcc957a9ce777c21cf93e8e033ed69eea553e6830618c5409edf72e

SHA512
d15acb6cd1c1469d1d86e0d0312b5e2f701c3154c9e8554e0e54a155d77284ff8cbf62767875e1f845c7ed95ea5bc17384f8fe5180945a7d9d2932c2d8ca5d57

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/2740-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2740-4-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2740-15-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2740-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2740-87-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2740-83-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2740-59-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2840-41-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2840-31-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2840-36-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2840-48-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2840-53-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2840-55-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2840-60-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2840-43-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2840-65-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2840-29-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2840-24-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2840-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2840-84-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2840-18-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2840-88-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads