mydoom | f38cca5c4ba7bd0b8ec73757fe398c31fdcad27c795f8dfc6cccbd4b1ba09d9f

General

Target

f38cca5c4ba7bd0b8ec73757fe398c31fdcad27c795f8dfc6cccbd4b1ba09d9f.exe
Size

29KB
MD5

bec21169f00ad44b845f8e30cd46195b
SHA1

0531d10adbe1601aee92877d75ef10de1fb82b8a
SHA256

f38cca5c4ba7bd0b8ec73757fe398c31fdcad27c795f8dfc6cccbd4b1ba09d9f
SHA512

201c30e4250b11cbb1c7912f648946b751818db3f7937f002ab9244e0ad4143e5c10466f37e255f78b861b7fdc7af5aabbe1c29a87c3abe13c5c979dafb72b99
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/j:AEwVs+0jNDY1qi/qr

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 2 IoCs

resource	yara_rule
behavioral1/memory/2772-17-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2772-57-0x0000000000500000-0x0000000000510200-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
2848	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"	f38cca5c4ba7bd0b8ec73757fe398c31fdcad27c795f8dfc6cccbd4b1ba09d9f.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
behavioral1/memory/2772-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/files/0x00080000000162e9-6.dat	upx
behavioral1/memory/2848-11-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2772-17-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2772-18-0x0000000000220000-0x0000000000228000-memory.dmp	upx
behavioral1/memory/2848-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2848-22-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2848-27-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2848-32-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2848-34-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2848-39-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2848-44-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2848-46-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2848-51-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2848-56-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2848-58-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2772-57-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2848-63-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0015000000015e9a-73.dat	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\java.exe	f38cca5c4ba7bd0b8ec73757fe398c31fdcad27c795f8dfc6cccbd4b1ba09d9f.exe
File created	C:\Windows\java.exe	f38cca5c4ba7bd0b8ec73757fe398c31fdcad27c795f8dfc6cccbd4b1ba09d9f.exe
File created	C:\Windows\services.exe	f38cca5c4ba7bd0b8ec73757fe398c31fdcad27c795f8dfc6cccbd4b1ba09d9f.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	f38cca5c4ba7bd0b8ec73757fe398c31fdcad27c795f8dfc6cccbd4b1ba09d9f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2772 wrote to memory of 2848	2772	f38cca5c4ba7bd0b8ec73757fe398c31fdcad27c795f8dfc6cccbd4b1ba09d9f.exe	30
PID 2772 wrote to memory of 2848	2772	f38cca5c4ba7bd0b8ec73757fe398c31fdcad27c795f8dfc6cccbd4b1ba09d9f.exe	30
PID 2772 wrote to memory of 2848	2772	f38cca5c4ba7bd0b8ec73757fe398c31fdcad27c795f8dfc6cccbd4b1ba09d9f.exe	30
PID 2772 wrote to memory of 2848	2772	f38cca5c4ba7bd0b8ec73757fe398c31fdcad27c795f8dfc6cccbd4b1ba09d9f.exe	30

C:\Users\Admin\AppData\Local\Temp\f38cca5c4ba7bd0b8ec73757fe398c31fdcad27c795f8dfc6cccbd4b1ba09d9f.exe
"C:\Users\Admin\AppData\Local\Temp\f38cca5c4ba7bd0b8ec73757fe398c31fdcad27c795f8dfc6cccbd4b1ba09d9f.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2772
- 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:2848

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\Temp\tmpFBAF.tmp

Filesize
29KB

MD5
d5163e6ee6d6e0c682e00600721e85a8

SHA1
7bc6f02eceb20b9b89317462bca84c4c186c8555

SHA256
fa3e224fea7361d813796d80e50da5c03be6ebd19b2cb1f18c0124d6c3fa8f66

SHA512
b4bbce6bbd3244e03189b694d5b19a5e322cc8f6949536e5501e899c21b44e8fa7f2772680db200111163d9d60f017e6fb31845f4a3679cdbf464ad0e9688df0

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

Filesize
320B

MD5
3a55f51903c65856143c6e0490b9e179

SHA1
1f2c2e83457b693b0bfe84fba89869a43cd6bafc

SHA256
54a267828f103482134c9cb8bd1959e8a5b89673678abf88e7ecf89b6442c2ba

SHA512
6765c0f85767b6f4cd77861a10a0245724074828ed0c65f205701ccda2fe4da55741892eba6366d6160525252f3cbcd100a5255e23778c7775cc72140a27fe73

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/2772-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2772-9-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/2772-8-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/2772-17-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2772-18-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/2772-19-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/2772-57-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2848-32-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2848-27-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2848-34-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2848-39-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2848-44-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2848-46-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2848-51-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2848-56-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2848-58-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2848-22-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2848-63-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2848-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2848-11-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads