mydoom | 79a963c114599c237e0311e0ecc2fde0b7cd22d7e5c6fbbe9270ec02bd44fe7b

General

Target

JaffaCakes118_785e3a1f21d01782a0c15c6a91974c8b.exe
Size

28KB
MD5

785e3a1f21d01782a0c15c6a91974c8b
SHA1

ec67cd938c25f2635b309153c8432e27b4be6c15
SHA256

79a963c114599c237e0311e0ecc2fde0b7cd22d7e5c6fbbe9270ec02bd44fe7b
SHA512

b9e7b17048ab3ebf2dfc9efe13be2574425269458cadf7afb25c65332e0f8f368edb8bf0c3bd62ec1536146b180c8e995904bfc3c0e8da60eed963a2a135b004
SSDEEP

384:1vxBbK26lj5Id8SpHx9jLhsznnVxA1WmP5w7GGCJlqqwMyNUO9d:Dv8IRRdsxq1DjJcqfW9d

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 6 IoCs

resource	yara_rule
behavioral1/memory/2856-2-0x0000000000500000-0x0000000000510000-memory.dmp	family_mydoom
behavioral1/memory/2856-16-0x0000000000500000-0x0000000000510000-memory.dmp	family_mydoom
behavioral1/memory/2856-53-0x0000000000500000-0x0000000000510000-memory.dmp	family_mydoom
behavioral1/memory/2856-77-0x0000000000500000-0x0000000000510000-memory.dmp	family_mydoom
behavioral1/memory/2856-81-0x0000000000500000-0x0000000000510000-memory.dmp	family_mydoom
behavioral1/memory/2856-83-0x0000000000500000-0x0000000000510000-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
2988	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_785e3a1f21d01782a0c15c6a91974c8b.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/2856-2-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2856-4-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x001000000001866e-7.dat	upx
behavioral1/memory/2856-16-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2988-19-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2988-20-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2988-25-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2988-30-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2988-32-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2988-37-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2988-42-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2988-44-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2988-49-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2988-54-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2856-53-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2988-56-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0004000000013d08-69.dat	upx
behavioral1/memory/2856-77-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2988-78-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2856-81-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2988-82-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2856-83-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2988-84-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2988-89-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	JaffaCakes118_785e3a1f21d01782a0c15c6a91974c8b.exe
File opened for modification	C:\Windows\java.exe	JaffaCakes118_785e3a1f21d01782a0c15c6a91974c8b.exe
File created	C:\Windows\java.exe	JaffaCakes118_785e3a1f21d01782a0c15c6a91974c8b.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_785e3a1f21d01782a0c15c6a91974c8b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2856 wrote to memory of 2988	2856	JaffaCakes118_785e3a1f21d01782a0c15c6a91974c8b.exe	30
PID 2856 wrote to memory of 2988	2856	JaffaCakes118_785e3a1f21d01782a0c15c6a91974c8b.exe	30
PID 2856 wrote to memory of 2988	2856	JaffaCakes118_785e3a1f21d01782a0c15c6a91974c8b.exe	30
PID 2856 wrote to memory of 2988	2856	JaffaCakes118_785e3a1f21d01782a0c15c6a91974c8b.exe	30

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_785e3a1f21d01782a0c15c6a91974c8b.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_785e3a1f21d01782a0c15c6a91974c8b.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2856
- 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:2988

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\tmpCCF.tmp

Filesize
28KB

MD5
6ade45e7ae358b99d36d4c9c065c1f4f

SHA1
1a8b9023304a146158d927df5048c50012d44270

SHA256
c9c26b57cedb0f7f40e9061ea156e3dab77b13e758350dfbfb7f7de4164887d2

SHA512
482055535d8903627181478e8a46071f0fbf74ef7a70e2e9b6cf2e4a01b391c6f5d28772bcedd28ddb552e0625671cc9691d3158f9c172b067f9f56607f7ac91

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

Filesize
1KB

MD5
732cb60c78ffce4a5e4eac3382839b66

SHA1
92b7f361625590d778c8daa4d9f4831a5cc50591

SHA256
d951b00ebc52f3642e4e7e7eb1300da0417dea5257e6b72b74b6f67ce1f6e687

SHA512
eccfbf80cdb61d84b2dab0768464b4b8d3e8747da322027b00847f30f9defd4b76f257e63882a608bb1f436c5172310e8993557d52905e80923d23a77d128192

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/2856-17-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2856-16-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2856-53-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2856-2-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2856-83-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2856-81-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2856-77-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2856-9-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2856-4-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2988-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2988-32-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2988-49-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2988-54-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2988-42-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2988-56-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2988-37-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2988-44-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2988-30-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2988-78-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2988-25-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2988-82-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2988-20-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2988-84-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2988-89-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads