mydoom | 3b81b1fce12a1189b9b90b68a540022d106c8b167a572d0df2badf4055e84c39

General

Target

3b81b1fce12a1189b9b90b68a540022d106c8b167a572d0df2badf4055e84c39N.exe
Size

41KB
MD5

fe9f0dd1d7d3a91c5114482bc50fb1b0
SHA1

ddfd0adac233d3dba7676de5f71bb067002c0da6
SHA256

3b81b1fce12a1189b9b90b68a540022d106c8b167a572d0df2badf4055e84c39
SHA512

e2afd3a60e6dc99b2826094047d33afd422cd17d02b3847ef8d2bb3f0d8be243943525bd75b217f6eaaba268e10c1915633e67e394fe31349dc94acf9d819aae
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/v:AEwVs+0jNDY1qi/qH

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 3 IoCs

resource	yara_rule
behavioral2/memory/1556-13-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/1556-51-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/1556-56-0x0000000000500000-0x0000000000510200-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
2692	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"	3b81b1fce12a1189b9b90b68a540022d106c8b167a572d0df2badf4055e84c39N.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/1556-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/files/0x0008000000023c92-4.dat	upx
behavioral2/memory/2692-5-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1556-13-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/2692-15-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2692-16-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2692-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2692-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2692-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2692-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2692-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2692-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2692-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2692-50-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1556-51-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/2692-52-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1556-56-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/files/0x0004000000000707-66.dat	upx
behavioral2/memory/2692-71-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	3b81b1fce12a1189b9b90b68a540022d106c8b167a572d0df2badf4055e84c39N.exe
File opened for modification	C:\Windows\java.exe	3b81b1fce12a1189b9b90b68a540022d106c8b167a572d0df2badf4055e84c39N.exe
File created	C:\Windows\java.exe	3b81b1fce12a1189b9b90b68a540022d106c8b167a572d0df2badf4055e84c39N.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	3b81b1fce12a1189b9b90b68a540022d106c8b167a572d0df2badf4055e84c39N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1556 wrote to memory of 2692	1556	3b81b1fce12a1189b9b90b68a540022d106c8b167a572d0df2badf4055e84c39N.exe	83
PID 1556 wrote to memory of 2692	1556	3b81b1fce12a1189b9b90b68a540022d106c8b167a572d0df2badf4055e84c39N.exe	83
PID 1556 wrote to memory of 2692	1556	3b81b1fce12a1189b9b90b68a540022d106c8b167a572d0df2badf4055e84c39N.exe	83

C:\Users\Admin\AppData\Local\Temp\3b81b1fce12a1189b9b90b68a540022d106c8b167a572d0df2badf4055e84c39N.exe
"C:\Users\Admin\AppData\Local\Temp\3b81b1fce12a1189b9b90b68a540022d106c8b167a572d0df2badf4055e84c39N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1556
- 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:2692

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\W9QJOIKH\search[2].htm

Filesize
25B

MD5
8ba61a16b71609a08bfa35bc213fce49

SHA1
8374dddcc6b2ede14b0ea00a5870a11b57ced33f

SHA256
6aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1

SHA512
5855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1

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

Filesize
128B

MD5
61b58830662da66e5ddbe3653be05060

SHA1
c3aa032c6c86c303747a5cde82d160b4e9bf06dc

SHA256
ba808d53773fba9f6ab567d07c350e4ae6462546ec8f3a7cbf20c9cc77c0d137

SHA512
1ba1af7df011f914f50e74cb8ef77bfd39c3ae2bc0145240989fb0a10f334be42636f631741145b6b5bb112eec072e35adc6be4832fdda1bf7452acd6dc51ca8

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp628B.tmp

Filesize
41KB

MD5
5a6d6654d5a1d1f6824cecc31bcb7b95

SHA1
206a8cc5972cd2a1e8c96e010cc74ee18d7b9c85

SHA256
a312691b466971296bcb570da4a66ab2f1dc669b58632affb06920720c88c16b

SHA512
300fb9487d50bd6569efd246b75f226b16efe2d7b5f8af8cd921d192183e734443779e79d6a2ccf94a38895e288428cf14b1289b029c65fc70f73dd870c0c9b7

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

Filesize
160B

MD5
fec3ca3c615760f98e437ddf264b17f2

SHA1
9d114fda2819c416f3a173b5323e0783b234bafa

SHA256
f3a5a59949d60dc57a325bc45ac95d0f00d6586536b0811adf9043ce7e270b1e

SHA512
67fd837409b2db465eac7dcf3aafabd06632e2a324d68c538bf45638480d3b4fd2abf38cecdc02080f31e18cc9ece15a5ff570a984eda1e8d96689929a6dc24c

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/1556-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1556-13-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1556-56-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1556-51-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2692-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2692-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2692-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2692-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2692-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2692-50-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2692-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2692-52-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2692-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2692-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2692-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2692-71-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2692-5-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads