mydoom | 51816b95b5b9ec8f014b40ba7da0da5c83fafc554b07c34076e84165c5e92db9

General

Target

JaffaCakes118_7bc9bdb13e8c5fe2b3cfa5a3bf80f6a0.exe
Size

28KB
MD5

7bc9bdb13e8c5fe2b3cfa5a3bf80f6a0
SHA1

d939c4e13c75cb85f3e7dece7449ac52d7d313a0
SHA256

51816b95b5b9ec8f014b40ba7da0da5c83fafc554b07c34076e84165c5e92db9
SHA512

33f5196d826a9c1a2aa1d76c8f495efb5f6596d329774b516586e01cc75c7d97eb144914c4181743d2647b0f8826f09dc59c7784a6f154dc137e63e6514209a9
SSDEEP

384:1vxBbK26lj5Id8SpHx9jLhsznnVxA1WmP5w7GGCJlqqwMyN5:Dv8IRRdsxq1DjJcqfe

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 4 IoCs

resource	yara_rule
behavioral1/memory/2396-16-0x0000000000500000-0x0000000000510000-memory.dmp	family_mydoom
behavioral1/memory/2396-60-0x0000000000500000-0x0000000000510000-memory.dmp	family_mydoom
behavioral1/memory/2396-87-0x0000000000500000-0x0000000000510000-memory.dmp	family_mydoom
behavioral1/memory/2396-91-0x0000000000500000-0x0000000000510000-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
2024	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"	JaffaCakes118_7bc9bdb13e8c5fe2b3cfa5a3bf80f6a0.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/memory/2396-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2396-4-0x00000000001B0000-0x00000000001B8000-memory.dmp	upx
behavioral1/files/0x0008000000019329-7.dat	upx
behavioral1/memory/2396-16-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2024-19-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2024-20-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2024-25-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2024-30-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2024-32-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2024-37-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2024-42-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2024-44-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2024-49-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2024-54-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2024-56-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2396-60-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2024-61-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2024-66-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0005000000004ed7-76.dat	upx
behavioral1/memory/2396-87-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2024-88-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2396-91-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2024-92-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	JaffaCakes118_7bc9bdb13e8c5fe2b3cfa5a3bf80f6a0.exe
File opened for modification	C:\Windows\java.exe	JaffaCakes118_7bc9bdb13e8c5fe2b3cfa5a3bf80f6a0.exe
File created	C:\Windows\java.exe	JaffaCakes118_7bc9bdb13e8c5fe2b3cfa5a3bf80f6a0.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	JaffaCakes118_7bc9bdb13e8c5fe2b3cfa5a3bf80f6a0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2396 wrote to memory of 2024	2396	JaffaCakes118_7bc9bdb13e8c5fe2b3cfa5a3bf80f6a0.exe	30
PID 2396 wrote to memory of 2024	2396	JaffaCakes118_7bc9bdb13e8c5fe2b3cfa5a3bf80f6a0.exe	30
PID 2396 wrote to memory of 2024	2396	JaffaCakes118_7bc9bdb13e8c5fe2b3cfa5a3bf80f6a0.exe	30
PID 2396 wrote to memory of 2024	2396	JaffaCakes118_7bc9bdb13e8c5fe2b3cfa5a3bf80f6a0.exe	30

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7bc9bdb13e8c5fe2b3cfa5a3bf80f6a0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7bc9bdb13e8c5fe2b3cfa5a3bf80f6a0.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2396
- 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:2024

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\tmp9D1C.tmp

Filesize
28KB

MD5
4b18695d81f13878755dfe53131312e7

SHA1
c96ba8a725e9d231c2c3f012e94354474cdd1acb

SHA256
1501cc8a78a8bd665b003a5b2642901bbc9c8b2e311354392e5827cd327acfdc

SHA512
d0f1cb4380054583ce25c7e6d71aabbed39977c5fa4afa40d673a7e591faee40813c1ef08bc21713a38e4d0f7193f1f829a2a5cb9d3b016109196dc04c859dbc

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

Filesize
1KB

MD5
efd343f2ec0eb57681ac0e80a1717763

SHA1
3e1028c79ffff60f2050eeff38d2d0046a6a7b2d

SHA256
00cb8e0a4587b36208561bf2613f3fa1d5c741ade4c8de96e1ac094c659df48f

SHA512
f84da4ad92472459f9a7e97b64213511e64777aace216a4d788ca93fe570ec2746a4bc8b5e40239349b7c8da2cc5c8cc143d74991dd6371968678ec369c0af9c

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/2024-20-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2024-32-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2024-92-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2024-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2024-61-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2024-25-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2024-30-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2024-88-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2024-37-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2024-42-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2024-44-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2024-49-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2024-54-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2024-56-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2024-66-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2396-17-0x00000000001B0000-0x00000000001B8000-memory.dmp

Filesize
32KB

Download
memory/2396-60-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2396-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2396-16-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2396-87-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2396-9-0x00000000001B0000-0x00000000001B8000-memory.dmp

Filesize
32KB

Download
memory/2396-91-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2396-4-0x00000000001B0000-0x00000000001B8000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads