mydoom | 21739125339f19e138c8b5549c5eb98a7ca3779960b072e6d08d0104e245494d

General

Target

21739125339f19e138c8b5549c5eb98a7ca3779960b072e6d08d0104e245494d.exe
Size

29KB
MD5

07ba0c4cfd1bdbd41857e2066aeee432
SHA1

a5b9824647acd55777af9594a231fa6d417b553e
SHA256

21739125339f19e138c8b5549c5eb98a7ca3779960b072e6d08d0104e245494d
SHA512

c099487b9462b3dffcf220d0008ed022a2514b1c0bec6193daa2f0ac2508305a996f10fe80f4a1d576217d02ad5f8a7ac08c9b68be53a8540d3962e7b048d789
SSDEEP

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

Score

10^/10

mydoom discovery persistence upx worm

Malware Config

Signatures

Detects MyDoom family 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3424-13-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/3424-49-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/3424-51-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/3424-137-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom

MyDoom
MyDoom is a Worm that is written in C++.
worm mydoom
Mydoom family
mydoom

Executes dropped EXE 1 IoCs

Processes:

services.exe

pid	Process
5060	services.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

21739125339f19e138c8b5549c5eb98a7ca3779960b072e6d08d0104e245494d.exeservices.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe"	21739125339f19e138c8b5549c5eb98a7ca3779960b072e6d08d0104e245494d.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

Processes:

resource	yara_rule
behavioral2/memory/3424-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/files/0x000a000000023b6d-4.dat	upx
behavioral2/memory/5060-5-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3424-13-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/5060-15-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/5060-16-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/5060-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/5060-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/5060-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/5060-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/5060-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/5060-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/5060-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3424-49-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/5060-50-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3424-51-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/5060-52-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/files/0x0003000000000705-57.dat	upx
behavioral2/memory/3424-137-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/5060-138-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

Processes:

21739125339f19e138c8b5549c5eb98a7ca3779960b072e6d08d0104e245494d.exe

description	ioc	Process
File created	C:\Windows\services.exe	21739125339f19e138c8b5549c5eb98a7ca3779960b072e6d08d0104e245494d.exe
File opened for modification	C:\Windows\java.exe	21739125339f19e138c8b5549c5eb98a7ca3779960b072e6d08d0104e245494d.exe
File created	C:\Windows\java.exe	21739125339f19e138c8b5549c5eb98a7ca3779960b072e6d08d0104e245494d.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

Processes:

services.exe21739125339f19e138c8b5549c5eb98a7ca3779960b072e6d08d0104e245494d.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	21739125339f19e138c8b5549c5eb98a7ca3779960b072e6d08d0104e245494d.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

21739125339f19e138c8b5549c5eb98a7ca3779960b072e6d08d0104e245494d.exe

description	pid	Process	procid_target
PID 3424 wrote to memory of 5060	3424	21739125339f19e138c8b5549c5eb98a7ca3779960b072e6d08d0104e245494d.exe	83
PID 3424 wrote to memory of 5060	3424	21739125339f19e138c8b5549c5eb98a7ca3779960b072e6d08d0104e245494d.exe	83
PID 3424 wrote to memory of 5060	3424	21739125339f19e138c8b5549c5eb98a7ca3779960b072e6d08d0104e245494d.exe	83

C:\Users\Admin\AppData\Local\Temp\21739125339f19e138c8b5549c5eb98a7ca3779960b072e6d08d0104e245494d.exe
"C:\Users\Admin\AppData\Local\Temp\21739125339f19e138c8b5549c5eb98a7ca3779960b072e6d08d0104e245494d.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3424
- 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:5060

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\L6PPXFHA\search[1].htm

Filesize
25B

MD5
8ba61a16b71609a08bfa35bc213fce49

SHA1
8374dddcc6b2ede14b0ea00a5870a11b57ced33f

SHA256
6aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1

SHA512
5855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1

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

Filesize
320B

MD5
23df70c16d96f67878bcf5ae012615d7

SHA1
ddc0c66725c2c2358b93a28b4baebde0f37098ec

SHA256
6ecd53f44ecd92068e50ca18e74c6a9466846f58cf1c0bf4776e5708f1aa8577

SHA512
b5f78b38173295f0ed2990c13a94c70039fbdfcd219a8af1db7e36cfad91cddf71401a64f21992b954b7c07339f72b2f37ea63407367a96935635a006318d742

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1071.tmp

Filesize
29KB

MD5
dc41aac9452a5c4690962472dfd03a00

SHA1
4e44f209a5acf7328e5aaad5cf1105bf2b373335

SHA256
b82824a6250c295fa6cb8c45785e2f11934bade84bbeffedcea0e7ff48749e26

SHA512
8a2cb8efade78be1e2ac1d1f8ede5bf61f62ce18a6da2e053c2cc8a8c83d190a23c17273e88df014a04ed9b1f3ba292736bf18c7e8695004102e9971d0ede318

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

Filesize
352B

MD5
b4ddb5008db1138b83add7c8b2202532

SHA1
d0bbd6aa811f4b1570e03b474d96254d27d0d689

SHA256
a0fc748334d1bd07cf594ab6bea6aa84670b6e69e2bf7ada00812c0a4e526753

SHA512
ae3e7880d968aee40c91d68acdbcf9d2f93fa4ae5bcc2044d4d0728ac49d8d75e152abadce0b14ad8e79be5fdfd7760123711099759e85d67a53e2f8239191ab

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

Filesize
352B

MD5
6b172d7e3b31c2f3cacf19be44c3193f

SHA1
ae67358787aa030e710b6b98c9bca36683e7866e

SHA256
6d3ec28713a34683a1fa41517a3e2c81b87c211848c6dcb2eac0541756bd5ea2

SHA512
3c4e8e09a12d37d0931c2ae8f8e8940a7310931395a47e620ae7b3df94a2c2458c768f9a68ce8373a4553547fafb7e8610d5d84bc024be4605067e0b67591611

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

MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/3424-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/3424-137-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/3424-13-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/3424-51-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/3424-49-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/5060-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5060-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5060-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5060-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5060-50-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5060-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5060-52-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5060-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5060-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5060-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5060-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5060-5-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5060-138-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads