mydoom | efb4b8688ced2af04379143aee7d2346e5dcfe05c94cde2a74ccec5aeb265341

General

Target

efb4b8688ced2af04379143aee7d2346e5dcfe05c94cde2a74ccec5aeb265341N.exe
Size

29KB
MD5

431f43a7021154c6f14ca43a6b0f9f60
SHA1

c5c6b569096bbbc3e56b76c43bce954869d4f1a3
SHA256

efb4b8688ced2af04379143aee7d2346e5dcfe05c94cde2a74ccec5aeb265341
SHA512

71d87eebcb30420a863ccf00093c06d8c17efbbfb821474346d4783e1813e99c9ca2036b6bc1821b3b27a28da6ee2ed0c23e62336d61dcec7eb93f0483938b52
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/lN:AEwVs+0jNDY1qi/qn

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 6 IoCs

resource	yara_rule
behavioral2/memory/692-13-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/692-37-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/692-39-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/692-121-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/692-141-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/692-148-0x0000000000500000-0x0000000000510200-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
4916	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"	efb4b8688ced2af04379143aee7d2346e5dcfe05c94cde2a74ccec5aeb265341N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

UPX packed file 22 IoCs

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

upx

resource	yara_rule
behavioral2/memory/692-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4916-6-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/files/0x0008000000023ca4-4.dat	upx
behavioral2/memory/692-13-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4916-15-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4916-16-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4916-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4916-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4916-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4916-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/692-37-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4916-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/692-39-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4916-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/files/0x0002000000021ed4-45.dat	upx
behavioral2/memory/692-121-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4916-122-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/692-141-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4916-142-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4916-144-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/692-148-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4916-149-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	efb4b8688ced2af04379143aee7d2346e5dcfe05c94cde2a74ccec5aeb265341N.exe
File opened for modification	C:\Windows\java.exe	efb4b8688ced2af04379143aee7d2346e5dcfe05c94cde2a74ccec5aeb265341N.exe
File created	C:\Windows\java.exe	efb4b8688ced2af04379143aee7d2346e5dcfe05c94cde2a74ccec5aeb265341N.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	efb4b8688ced2af04379143aee7d2346e5dcfe05c94cde2a74ccec5aeb265341N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 692 wrote to memory of 4916	692	efb4b8688ced2af04379143aee7d2346e5dcfe05c94cde2a74ccec5aeb265341N.exe	83
PID 692 wrote to memory of 4916	692	efb4b8688ced2af04379143aee7d2346e5dcfe05c94cde2a74ccec5aeb265341N.exe	83
PID 692 wrote to memory of 4916	692	efb4b8688ced2af04379143aee7d2346e5dcfe05c94cde2a74ccec5aeb265341N.exe	83

C:\Users\Admin\AppData\Local\Temp\efb4b8688ced2af04379143aee7d2346e5dcfe05c94cde2a74ccec5aeb265341N.exe
"C:\Users\Admin\AppData\Local\Temp\efb4b8688ced2af04379143aee7d2346e5dcfe05c94cde2a74ccec5aeb265341N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:692
- 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:4916

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\2YUS9Q6F\search[2].htm

Filesize
25B

MD5
8ba61a16b71609a08bfa35bc213fce49

SHA1
8374dddcc6b2ede14b0ea00a5870a11b57ced33f

SHA256
6aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1

SHA512
5855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp9BA.tmp

Filesize
29KB

MD5
fd6a91e971d50240e840ab45aa665900

SHA1
2711a1530f1e15be0baa06458c19215c179caac7

SHA256
7f80259a3a632d4295dc23fe162b7e5e34b490ef147451dce4fdcdf66d94f436

SHA512
fba00709545464f8d671360917d14c517b792e9b180cddbbde1580222014168e7e8b57f0d7d41e5f408773762c3ec75f17aaf07c27afc07bc9be4ef435e98b0d

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

Filesize
352B

MD5
4aaf6ac8a28468eea55bb9cc4d166ecd

SHA1
b6e35ab31d079b894221b4c1b22c3a8e8063c9af

SHA256
b04e9913c639f81299a3475e3c48d562188def7b57c5e96a5639ea665470b957

SHA512
2aeea646d1df9f183904f125760f98a8db583b763c4af20464b9deae1bd811cf14f7504545889f231ebf92859ca70d6eb0b0e3314a109be4cf814620fd978dd9

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

Filesize
352B

MD5
19240acedfdd2606263c24895c444cca

SHA1
47180288b39675ef6e40876d1a3aad1c1969234f

SHA256
b00cea90d888aed0553714ae57af1d0986295540469b6881a1eae491e0184d7d

SHA512
15121241afe61b3e1afa478d587ece7f89b4b58a312c78a98f979847a522173b5eeea19a0df8e542db335fab557ea80c035637a1db3966bfc0915b524ce4d95b

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

Filesize
352B

MD5
12654735ffb0e1c682c1292ebb06fd03

SHA1
21559798e95e9aeeb4351f7e90e0845f7516939f

SHA256
76015d40c9559c7f101b07175642d7728d7780eddaf1148373f2f12f982a0bcb

SHA512
821a1d316c562e0bbf4974bd977d87d724aed6e526364ff546f93aa3e91954e23df158e0784b521f9d1de99cae7f78d319ef65756a202e1e3195ab6290088cb9

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/692-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/692-141-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/692-121-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/692-148-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/692-37-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/692-13-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/692-39-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4916-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4916-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4916-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4916-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4916-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4916-122-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4916-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4916-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4916-142-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4916-144-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4916-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4916-149-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4916-6-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads