mydoom | 36ecc8c5984ef0b1ac74217cdd7688f86f8f879ce969d857dc403c2d5f7021e8

General

Target

JaffaCakes118_79e430bb62ed2e49e3604209e16ac1fe.exe
Size

28KB
MD5

79e430bb62ed2e49e3604209e16ac1fe
SHA1

c122a9753f41eb576b312ba068848dd1b5fcf859
SHA256

36ecc8c5984ef0b1ac74217cdd7688f86f8f879ce969d857dc403c2d5f7021e8
SHA512

e1138c21d569a1ffc68ab65930d5fb29f102c05879a9a65744bf723699cdcc2b1e4596193c062aa5f917953ab3e88568da39fc00efc6940100e3d1f82a55ebe6
SSDEEP

384:1vxBbK26lj5Id8SpHx9jLhsznnVxA1WmP5w7GGCJlqqwMyNuHi:Dv8IRRdsxq1DjJcqfBi

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 4 IoCs

resource	yara_rule
behavioral1/memory/2772-16-0x0000000000500000-0x0000000000510000-memory.dmp	family_mydoom
behavioral1/memory/2772-60-0x0000000000500000-0x0000000000510000-memory.dmp	family_mydoom
behavioral1/memory/2772-84-0x0000000000500000-0x0000000000510000-memory.dmp	family_mydoom
behavioral1/memory/2772-88-0x0000000000500000-0x0000000000510000-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
1236	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_79e430bb62ed2e49e3604209e16ac1fe.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

UPX packed file 24 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2772-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2772-4-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x00080000000195a9-7.dat	upx
behavioral1/memory/1236-10-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2772-16-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/1236-19-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1236-20-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1236-25-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1236-30-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1236-32-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1236-37-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1236-42-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1236-44-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1236-49-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1236-54-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1236-56-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1236-61-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2772-60-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/1236-66-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0008000000019547-76.dat	upx
behavioral1/memory/2772-84-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/1236-85-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2772-88-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/1236-89-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	JaffaCakes118_79e430bb62ed2e49e3604209e16ac1fe.exe
File opened for modification	C:\Windows\java.exe	JaffaCakes118_79e430bb62ed2e49e3604209e16ac1fe.exe
File created	C:\Windows\java.exe	JaffaCakes118_79e430bb62ed2e49e3604209e16ac1fe.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_79e430bb62ed2e49e3604209e16ac1fe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2772 wrote to memory of 1236	2772	JaffaCakes118_79e430bb62ed2e49e3604209e16ac1fe.exe	30
PID 2772 wrote to memory of 1236	2772	JaffaCakes118_79e430bb62ed2e49e3604209e16ac1fe.exe	30
PID 2772 wrote to memory of 1236	2772	JaffaCakes118_79e430bb62ed2e49e3604209e16ac1fe.exe	30
PID 2772 wrote to memory of 1236	2772	JaffaCakes118_79e430bb62ed2e49e3604209e16ac1fe.exe	30

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_79e430bb62ed2e49e3604209e16ac1fe.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_79e430bb62ed2e49e3604209e16ac1fe.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2772
- 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:1236

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\tmp26E4.tmp

Filesize
28KB

MD5
30547db8ec5746a50b968b62b8e4fa01

SHA1
f52176bb61e76173de179874da11b1580d1bae8e

SHA256
aa3f9a3fdb9345659bb842b97721aae6140cf7ca5703955761eecc13045b652a

SHA512
9544f44aefd029dbe090f69904349c3ede1dfbdf29a432f6e7dd618cc943102e6ec3998db6584dcfac4fdff2f71f4701f4c2db899b52e79db33c2e5c628eb4c1

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

Filesize
1KB

MD5
bb79f811c945fe3c7a076cdbca53d4b9

SHA1
c310e766dea07657c1114628c8b2e0a4d937dc84

SHA256
d475859564b1f7d130cd34b853b9f184d4e639d0c25ad519c8730aac37ea4616

SHA512
616142ed40157a6d4ce94ba28650012460a5c558a99ade7850762aa26e472caab680da07baf9d78d4655ba67dce5c4b86a9dd3014342345a184df2e85a19fc72

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/1236-61-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1236-49-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1236-89-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1236-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1236-20-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1236-25-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1236-30-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1236-32-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1236-37-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1236-42-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1236-44-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1236-85-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1236-54-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1236-56-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1236-10-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1236-66-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2772-60-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2772-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2772-4-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2772-84-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2772-16-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2772-88-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2772-17-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads