mydoom | f9a6769df70f071a72debc630d151fb16bcb8e86dae50323fd6681b1f19d0722

General

Target

f9a6769df70f071a72debc630d151fb16bcb8e86dae50323fd6681b1f19d0722N.exe
Size

29KB
MD5

d5eae6ef0f9f3882f10098b35a4008c0
SHA1

44766bc47ec1474260d0a6b1350279d3ee6da9cb
SHA256

f9a6769df70f071a72debc630d151fb16bcb8e86dae50323fd6681b1f19d0722
SHA512

a6377d2337398120ae18df34c58e0ac0a5427accf090d1f3c31999ad235684a170ff325371c6aef402975671c2437a2db9e8a1c0fd56122de500ea3459619ce2
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Bl:AEwVs+0jNDY1qi/q5l

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 3 IoCs

resource	yara_rule
behavioral2/memory/4224-13-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4224-51-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4224-125-0x0000000000500000-0x0000000000510200-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
812	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"	f9a6769df70f071a72debc630d151fb16bcb8e86dae50323fd6681b1f19d0722N.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/4224-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/files/0x0008000000023c8f-4.dat	upx
behavioral2/memory/812-6-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4224-13-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/812-15-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/812-16-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/812-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/812-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/812-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/812-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/812-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/812-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/812-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/812-50-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4224-51-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/812-52-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/files/0x0004000000000707-65.dat	upx
behavioral2/memory/4224-125-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/812-138-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	f9a6769df70f071a72debc630d151fb16bcb8e86dae50323fd6681b1f19d0722N.exe
File opened for modification	C:\Windows\java.exe	f9a6769df70f071a72debc630d151fb16bcb8e86dae50323fd6681b1f19d0722N.exe
File created	C:\Windows\java.exe	f9a6769df70f071a72debc630d151fb16bcb8e86dae50323fd6681b1f19d0722N.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	services.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f9a6769df70f071a72debc630d151fb16bcb8e86dae50323fd6681b1f19d0722N.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4224 wrote to memory of 812	4224	f9a6769df70f071a72debc630d151fb16bcb8e86dae50323fd6681b1f19d0722N.exe	82
PID 4224 wrote to memory of 812	4224	f9a6769df70f071a72debc630d151fb16bcb8e86dae50323fd6681b1f19d0722N.exe	82
PID 4224 wrote to memory of 812	4224	f9a6769df70f071a72debc630d151fb16bcb8e86dae50323fd6681b1f19d0722N.exe	82

C:\Users\Admin\AppData\Local\Temp\f9a6769df70f071a72debc630d151fb16bcb8e86dae50323fd6681b1f19d0722N.exe
"C:\Users\Admin\AppData\Local\Temp\f9a6769df70f071a72debc630d151fb16bcb8e86dae50323fd6681b1f19d0722N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4224
- 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:812

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\Microsoft\Windows\INetCache\IE\PTWQX4L2\search[2].htm

Filesize
25B

MD5
8ba61a16b71609a08bfa35bc213fce49

SHA1
8374dddcc6b2ede14b0ea00a5870a11b57ced33f

SHA256
6aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1

SHA512
5855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp5F3F.tmp

Filesize
29KB

MD5
3a4838e1ec7fe5e207e8578af4217f7c

SHA1
1893f382e38efb497b144ddf8cd9e56e42897282

SHA256
fcbe4ba8b6debaf0eace2bddf9b57d3d93796a6730421f893ee479f465d98370

SHA512
a96a6e950e82049ba7beca8d8d55ea40ca2ce7a82487f958b5eae44529c000726e1e147d923b5c482ad837467e8c8bd74c76ad6910b36c829f6ba8d87abcbc4d

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

Filesize
320B

MD5
b964bf8749f50985a0f2745b8e988cf2

SHA1
eef72185cea9d3dcbbc093f3191364a92f573a96

SHA256
1bd6dce2e733f7c7b473f6a4393993f2d2028b2c98bb62b52e372e7c323f9349

SHA512
df510e9472b7668842cd76d42282fb58580ce796808f247e8ab7d02c7c9d851c7e670a692f9ee4910b06ae25849f1d0f0093de543b33ba8bb897bd10e3750082

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/812-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/812-6-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/812-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/812-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/812-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/812-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/812-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/812-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/812-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/812-50-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/812-138-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/812-52-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/812-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4224-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4224-125-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4224-13-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4224-51-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads