mydoom | 21fbccab4986701bb5476a49f9357c9e416f7292e9eb6a7b2c018ff1ffb159d1

General

Target

JaffaCakes118_768caee4d114db608b0a2acbb346c364.exe
Size

28KB
MD5

768caee4d114db608b0a2acbb346c364
SHA1

d578b89ff0cb27a0661d9da9ee07dbe45467f2d8
SHA256

21fbccab4986701bb5476a49f9357c9e416f7292e9eb6a7b2c018ff1ffb159d1
SHA512

d5fda9c1fff820b02a7f880d4d9c23faa2c9fe73caa8002d991e11b34002a7adc7eef798513df7b30345c31c8418bd8114da3f58de31cb8bd375f10e6086b7fd
SSDEEP

384:1vxBbK26lj5Id8SpHx9jLhsznnVxA1WmP5w7GGCJlqqwMyNtzEAm:Dv8IRRdsxq1DjJcqfIy

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 5 IoCs

resource	yara_rule
behavioral1/memory/2904-16-0x0000000000500000-0x0000000000510000-memory.dmp	family_mydoom
behavioral1/memory/2904-60-0x0000000000500000-0x0000000000510000-memory.dmp	family_mydoom
behavioral1/memory/2904-65-0x0000000000500000-0x0000000000510000-memory.dmp	family_mydoom
behavioral1/memory/2904-87-0x0000000000500000-0x0000000000510000-memory.dmp	family_mydoom
behavioral1/memory/2904-91-0x0000000000500000-0x0000000000510000-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
1396	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_768caee4d114db608b0a2acbb346c364.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

UPX packed file 25 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2904-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2904-4-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x00260000000170f8-7.dat	upx
behavioral1/memory/1396-10-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2904-16-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/1396-19-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1396-20-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1396-25-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1396-30-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1396-32-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1396-37-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1396-42-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1396-44-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1396-49-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1396-54-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1396-56-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2904-60-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/1396-61-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2904-65-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/1396-66-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0009000000018b05-79.dat	upx
behavioral1/memory/2904-87-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/1396-88-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2904-91-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/1396-92-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	JaffaCakes118_768caee4d114db608b0a2acbb346c364.exe
File opened for modification	C:\Windows\java.exe	JaffaCakes118_768caee4d114db608b0a2acbb346c364.exe
File created	C:\Windows\java.exe	JaffaCakes118_768caee4d114db608b0a2acbb346c364.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_768caee4d114db608b0a2acbb346c364.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2904 wrote to memory of 1396	2904	JaffaCakes118_768caee4d114db608b0a2acbb346c364.exe	30
PID 2904 wrote to memory of 1396	2904	JaffaCakes118_768caee4d114db608b0a2acbb346c364.exe	30
PID 2904 wrote to memory of 1396	2904	JaffaCakes118_768caee4d114db608b0a2acbb346c364.exe	30
PID 2904 wrote to memory of 1396	2904	JaffaCakes118_768caee4d114db608b0a2acbb346c364.exe	30

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_768caee4d114db608b0a2acbb346c364.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_768caee4d114db608b0a2acbb346c364.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2904
- 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:1396

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\tmp5738.tmp

Filesize
28KB

MD5
768caee4d114db608b0a2acbb346c364

SHA1
d578b89ff0cb27a0661d9da9ee07dbe45467f2d8

SHA256
21fbccab4986701bb5476a49f9357c9e416f7292e9eb6a7b2c018ff1ffb159d1

SHA512
d5fda9c1fff820b02a7f880d4d9c23faa2c9fe73caa8002d991e11b34002a7adc7eef798513df7b30345c31c8418bd8114da3f58de31cb8bd375f10e6086b7fd

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

Filesize
1KB

MD5
eff4be4d90c45a0b8894bafc2246c397

SHA1
c53610d492b1fa0a4d15edd9288abbca5d546b94

SHA256
8e4e6cc281bd95f3a978160af8606d7ad1317493461f970a91751c719819c4a3

SHA512
ca95463fe21eb1669ba9c5f1f61b53e35d77f95f05f069718f6407438b9364812c18073652b158c54341d7ff915d22ec59d5278c80c7acd0690a8ebbca7f18f2

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/1396-44-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1396-49-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1396-92-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1396-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1396-20-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1396-25-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1396-30-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1396-32-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1396-37-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1396-42-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1396-88-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1396-10-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1396-54-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1396-56-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1396-66-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1396-61-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2904-65-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2904-60-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2904-16-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2904-4-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2904-87-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2904-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2904-91-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2904-17-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads