mydoom | a5638b56e74b83af2dda4a4050fc98c3324bcaae6e4102800614670b4e529c07

General

Target

a5638b56e74b83af2dda4a4050fc98c3324bcaae6e4102800614670b4e529c07N.exe
Size

29KB
MD5

0838a4ba4042f316331ac491068b3670
SHA1

664e25595c067afa748e2b97a27e18da8259a41e
SHA256

a5638b56e74b83af2dda4a4050fc98c3324bcaae6e4102800614670b4e529c07
SHA512

84f57c459c5298519f60c7112f04100cb79ae98f1f8dd016786840253bd9acfa07fd3fe258230ad325f7f49e3338ab68206277ea32e5188bb3b785a235797f08
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/tF:AEwVs+0jNDY1qi/q1F

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 3 IoCs

resource	yara_rule
behavioral2/memory/2220-13-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/2220-56-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/2220-83-0x0000000000500000-0x0000000000510200-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
1864	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"	a5638b56e74b83af2dda4a4050fc98c3324bcaae6e4102800614670b4e529c07N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2220-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/files/0x000a000000023ca8-3.dat	upx
behavioral2/memory/1864-5-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2220-13-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/1864-15-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1864-16-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1864-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1864-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1864-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1864-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1864-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1864-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1864-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1864-50-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1864-52-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2220-56-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/1864-57-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/files/0x0004000000000707-70.dat	upx
behavioral2/memory/2220-83-0x0000000000500000-0x0000000000510200-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	a5638b56e74b83af2dda4a4050fc98c3324bcaae6e4102800614670b4e529c07N.exe
File opened for modification	C:\Windows\java.exe	a5638b56e74b83af2dda4a4050fc98c3324bcaae6e4102800614670b4e529c07N.exe
File created	C:\Windows\java.exe	a5638b56e74b83af2dda4a4050fc98c3324bcaae6e4102800614670b4e529c07N.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	a5638b56e74b83af2dda4a4050fc98c3324bcaae6e4102800614670b4e529c07N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2220 wrote to memory of 1864	2220	a5638b56e74b83af2dda4a4050fc98c3324bcaae6e4102800614670b4e529c07N.exe	82
PID 2220 wrote to memory of 1864	2220	a5638b56e74b83af2dda4a4050fc98c3324bcaae6e4102800614670b4e529c07N.exe	82
PID 2220 wrote to memory of 1864	2220	a5638b56e74b83af2dda4a4050fc98c3324bcaae6e4102800614670b4e529c07N.exe	82

C:\Users\Admin\AppData\Local\Temp\a5638b56e74b83af2dda4a4050fc98c3324bcaae6e4102800614670b4e529c07N.exe
"C:\Users\Admin\AppData\Local\Temp\a5638b56e74b83af2dda4a4050fc98c3324bcaae6e4102800614670b4e529c07N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2220
- 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:1864

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp7111.tmp

Filesize
29KB

MD5
545e1057c2ddc241048c171aad1445ab

SHA1
68ff227ef9262c254c371ea551e63e9b41b8a1d8

SHA256
91616dc9cf2ac9adbcd826031a59270972b8210d71928fc95a7a54c230614745

SHA512
db63873a521d11e0ed2202e33aae2c17b0a237545be0729c3f7419167edff4d1a33a35dc1c938b59ab865c362b08b8439e5e1880dc8436d1726de5f83bca614a

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

Filesize
352B

MD5
61399710a784899cadd54e3eb7842017

SHA1
04c8982b0a12f21ddae53d7c015204f3b27cad3b

SHA256
cc5ff8e9e99498489972b3dfd8648e6d93063327c1edd3adbf928b586a8a625f

SHA512
3995b71852b3064210635a1b9a2f6c4ab6b3dabdd765311849f73a7d8d76c90f5dfcb1b85ab015fb30ae4397beb17ec1e5da6bfa3c4aaa9fe3001a8db3f6d745

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/1864-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1864-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1864-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1864-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1864-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1864-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1864-5-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1864-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1864-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1864-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1864-50-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1864-52-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1864-57-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2220-56-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2220-13-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2220-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2220-83-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads