mydoom | f7bed1430565c3b7d61e93ca7d604470a858485128aebb9d5301e4a2cefdd8f5

General

Target

f7bed1430565c3b7d61e93ca7d604470a858485128aebb9d5301e4a2cefdd8f5.exe
Size

29KB
MD5

eafe400d18333d61ef92376cca025e4a
SHA1

0ec51edc895549b127e1ceab23ee222af89a39ac
SHA256

f7bed1430565c3b7d61e93ca7d604470a858485128aebb9d5301e4a2cefdd8f5
SHA512

cdc55f5ff33f74ae48dfaf8fd18580563f7c9f8549a3f47ae5a90e8f7555317e246920603c93cf07c2edaa2e5703c6d245678a39550972a8425b91352bd0c3e1
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/4h1:AEwVs+0jNDY1qi/qQ3

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 3 IoCs

resource	yara_rule
behavioral2/memory/4080-13-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4080-51-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4080-56-0x0000000000500000-0x0000000000510200-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
4992	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\Services = "C:\\Windows\\services.exe"	services.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe"	f7bed1430565c3b7d61e93ca7d604470a858485128aebb9d5301e4a2cefdd8f5.exe

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4080-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4992-7-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/files/0x0008000000023cae-4.dat	upx
behavioral2/memory/4080-13-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4992-15-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4992-16-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4992-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4992-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4992-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4992-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4992-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4992-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4992-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4992-50-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4080-51-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4992-52-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4080-56-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4992-57-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/files/0x0004000000000707-67.dat	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	f7bed1430565c3b7d61e93ca7d604470a858485128aebb9d5301e4a2cefdd8f5.exe
File opened for modification	C:\Windows\java.exe	f7bed1430565c3b7d61e93ca7d604470a858485128aebb9d5301e4a2cefdd8f5.exe
File created	C:\Windows\java.exe	f7bed1430565c3b7d61e93ca7d604470a858485128aebb9d5301e4a2cefdd8f5.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	f7bed1430565c3b7d61e93ca7d604470a858485128aebb9d5301e4a2cefdd8f5.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4080 wrote to memory of 4992	4080	f7bed1430565c3b7d61e93ca7d604470a858485128aebb9d5301e4a2cefdd8f5.exe	83
PID 4080 wrote to memory of 4992	4080	f7bed1430565c3b7d61e93ca7d604470a858485128aebb9d5301e4a2cefdd8f5.exe	83
PID 4080 wrote to memory of 4992	4080	f7bed1430565c3b7d61e93ca7d604470a858485128aebb9d5301e4a2cefdd8f5.exe	83

C:\Users\Admin\AppData\Local\Temp\f7bed1430565c3b7d61e93ca7d604470a858485128aebb9d5301e4a2cefdd8f5.exe
"C:\Users\Admin\AppData\Local\Temp\f7bed1430565c3b7d61e93ca7d604470a858485128aebb9d5301e4a2cefdd8f5.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4080
- 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:4992

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\FGDWJGSY\search[1].htm

Filesize
25B

MD5
8ba61a16b71609a08bfa35bc213fce49

SHA1
8374dddcc6b2ede14b0ea00a5870a11b57ced33f

SHA256
6aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1

SHA512
5855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp721B.tmp

Filesize
29KB

MD5
6a627f4e78149cd0e6edd65a266f3f50

SHA1
cc6bce4f6ea46dc52da2e2fd3abe71acd815a1d6

SHA256
1ac6a3ef46ea589261f8d3fa4f6c15c7e4627b3fa7b1a4189d40fb1d31387162

SHA512
21405cb15421345e0a4bddad155b25b36103a61af3bef7c310a5c1a649f73af529fe1001615bfd6f538b243d8c9b164ac163ff1d6564afab46a771cea181afcd

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

Filesize
320B

MD5
530bd7b0cd4dd268e85cbeb4abaafe8e

SHA1
ccd8af953f38e842fcecc2bddd94e7d7fe64dcb7

SHA256
22cf65d8a5ee1f9b921c8b8286b6421c8974dccc347b769d38e1d60cb1155dba

SHA512
0d547baa191aa137fd66b1edb301dfaa2674bed13b169e26347a426f87d0a59e15106a0870c5cf00441bf719b05937e7f4c4a0e8961555913b99ecdb2bca9ca7

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/4080-51-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4080-13-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4080-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4080-56-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4992-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4992-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4992-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4992-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4992-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4992-50-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4992-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4992-52-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4992-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4992-57-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4992-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4992-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4992-7-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads