mydoom | 1f895c6c7ec19962e905f2e46c2f741761bbc4c15597ebf8b503dbebeefee11f

General

Target

1f895c6c7ec19962e905f2e46c2f741761bbc4c15597ebf8b503dbebeefee11fN.exe
Size

29KB
MD5

a913d24c6c004884a1c5a017c78eb660
SHA1

dbbc74a4390b1097691e2580c712bd41ef1cdaa5
SHA256

1f895c6c7ec19962e905f2e46c2f741761bbc4c15597ebf8b503dbebeefee11f
SHA512

b3a79a77baaae17ba394bdebdbbbd4543bde744bfb6c3acdd1dd759f0c562507ca1259971ac937e33c6a91b09c270d9b449cb94d4ad7156724722c82dd410e51
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/P:AEwVs+0jNDY1qi/q3

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 4 IoCs

resource	yara_rule
behavioral2/memory/3836-13-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/3836-49-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/3836-51-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/3836-148-0x0000000000500000-0x0000000000510200-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
4816	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"	1f895c6c7ec19962e905f2e46c2f741761bbc4c15597ebf8b503dbebeefee11fN.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3836-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/files/0x0008000000023c97-4.dat	upx
behavioral2/memory/4816-5-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3836-13-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4816-15-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4816-16-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4816-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4816-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4816-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4816-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4816-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4816-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4816-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3836-49-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4816-50-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3836-51-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4816-52-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/files/0x0006000000000034-62.dat	upx
behavioral2/memory/3836-148-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4816-149-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	1f895c6c7ec19962e905f2e46c2f741761bbc4c15597ebf8b503dbebeefee11fN.exe
File opened for modification	C:\Windows\java.exe	1f895c6c7ec19962e905f2e46c2f741761bbc4c15597ebf8b503dbebeefee11fN.exe
File created	C:\Windows\java.exe	1f895c6c7ec19962e905f2e46c2f741761bbc4c15597ebf8b503dbebeefee11fN.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	1f895c6c7ec19962e905f2e46c2f741761bbc4c15597ebf8b503dbebeefee11fN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3836 wrote to memory of 4816	3836	1f895c6c7ec19962e905f2e46c2f741761bbc4c15597ebf8b503dbebeefee11fN.exe	83
PID 3836 wrote to memory of 4816	3836	1f895c6c7ec19962e905f2e46c2f741761bbc4c15597ebf8b503dbebeefee11fN.exe	83
PID 3836 wrote to memory of 4816	3836	1f895c6c7ec19962e905f2e46c2f741761bbc4c15597ebf8b503dbebeefee11fN.exe	83

C:\Users\Admin\AppData\Local\Temp\1f895c6c7ec19962e905f2e46c2f741761bbc4c15597ebf8b503dbebeefee11fN.exe
"C:\Users\Admin\AppData\Local\Temp\1f895c6c7ec19962e905f2e46c2f741761bbc4c15597ebf8b503dbebeefee11fN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3836
- 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:4816

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\0TSRVAPX\search[1].htm

Filesize
25B

MD5
8ba61a16b71609a08bfa35bc213fce49

SHA1
8374dddcc6b2ede14b0ea00a5870a11b57ced33f

SHA256
6aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1

SHA512
5855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp263D.tmp

Filesize
29KB

MD5
e7feaffef8c7fce5add8ce1677537816

SHA1
368530247cd4756f15463a74768a47591aafd069

SHA256
50b2764e1bff34cc188c9847c7018550a2a54c4d7f35e2e75c5a6d47ed849279

SHA512
58b8f6def47e37ee3823c04de77f88202e51293302b4f12c5145e59b5b08ab057d497ea8153caeef5ca89750adc3ba00f3baaa8efaac67da2641e8a6f8d3ee88

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

Filesize
320B

MD5
0d1f8af338b8a0f9127f56234e5da354

SHA1
b6c1c373c5a31ba91f42d0fe689aa8c57cabfcd2

SHA256
23692b140b747dcdb6c2947579bdc003fb3962e50f6d269faa9dc7ec70cec469

SHA512
80ad4da98495f931f2b3636fb2e72b7017e15868e56f21387beeae50ce025b849966ba404757e4eb2c35a8288cb53d4b1cae38bfcdff4b7ad23c672eb75eca61

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

Filesize
320B

MD5
d8323d1cb9b0f625f8031b6c2efb7d49

SHA1
72ae47335d6ef4e7c303ae6316276c37d240a466

SHA256
939d01edeb8c628c4594fcaa1718495d5491e16d7b6db4d680470cccb702eff6

SHA512
a23df1b899eb062de9670fd1d2c381f14e88a7423e48f21a549fcd26871742ac75a33e41719de83446a98857cb3f85afcb3c5e995f43e48ec33d402cdf132488

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/3836-49-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/3836-13-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/3836-148-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/3836-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/3836-51-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4816-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4816-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4816-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4816-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4816-50-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4816-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4816-52-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4816-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4816-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4816-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4816-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4816-149-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4816-5-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads