mydoom | 21a6c6894bff27e3c6b781675819e9f7dc6b309ae53469f841047830ccca2b4a

General

Target

21a6c6894bff27e3c6b781675819e9f7dc6b309ae53469f841047830ccca2b4a.exe
Size

29KB
MD5

699129aafcdaf43c5ff01822ad914b96
SHA1

683bc8da931ce2d46c79c1d909abffa00916e62a
SHA256

21a6c6894bff27e3c6b781675819e9f7dc6b309ae53469f841047830ccca2b4a
SHA512

9806d1f2487dfe55b7d5796a6f53ead8c67d8ea99f76ccecdee72fbc1db4f80fbfaba0dd7414c11fe6d5ff7db30bf13369e17670fe17d48c0a4bacd1b72c2340
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Q3r:AEwVs+0jNDY1qi/q6

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 4 IoCs

resource	yara_rule
behavioral1/memory/2528-16-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2528-53-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2528-55-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2528-79-0x0000000000500000-0x0000000000510200-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
1600	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"	21a6c6894bff27e3c6b781675819e9f7dc6b309ae53469f841047830ccca2b4a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2528-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2528-4-0x0000000000220000-0x0000000000228000-memory.dmp	upx
behavioral1/files/0x000700000001921d-7.dat	upx
behavioral1/memory/1600-10-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2528-16-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1600-19-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1600-20-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1600-25-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1600-30-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1600-32-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1600-37-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1600-42-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1600-44-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1600-49-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1600-54-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2528-53-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2528-55-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1600-56-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0005000000004ed7-66.dat	upx
behavioral1/memory/1600-80-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2528-79-0x0000000000500000-0x0000000000510200-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	21a6c6894bff27e3c6b781675819e9f7dc6b309ae53469f841047830ccca2b4a.exe
File opened for modification	C:\Windows\java.exe	21a6c6894bff27e3c6b781675819e9f7dc6b309ae53469f841047830ccca2b4a.exe
File created	C:\Windows\java.exe	21a6c6894bff27e3c6b781675819e9f7dc6b309ae53469f841047830ccca2b4a.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	21a6c6894bff27e3c6b781675819e9f7dc6b309ae53469f841047830ccca2b4a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2528 wrote to memory of 1600	2528	21a6c6894bff27e3c6b781675819e9f7dc6b309ae53469f841047830ccca2b4a.exe	31
PID 2528 wrote to memory of 1600	2528	21a6c6894bff27e3c6b781675819e9f7dc6b309ae53469f841047830ccca2b4a.exe	31
PID 2528 wrote to memory of 1600	2528	21a6c6894bff27e3c6b781675819e9f7dc6b309ae53469f841047830ccca2b4a.exe	31
PID 2528 wrote to memory of 1600	2528	21a6c6894bff27e3c6b781675819e9f7dc6b309ae53469f841047830ccca2b4a.exe	31

C:\Users\Admin\AppData\Local\Temp\21a6c6894bff27e3c6b781675819e9f7dc6b309ae53469f841047830ccca2b4a.exe
"C:\Users\Admin\AppData\Local\Temp\21a6c6894bff27e3c6b781675819e9f7dc6b309ae53469f841047830ccca2b4a.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2528
- 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:1600

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp7513.tmp

Filesize
29KB

MD5
dd0cd1506c609a07af1f5031d57cf0ab

SHA1
f85eab12b65a56e09c81f8bbbdc4fd0bb5c1039d

SHA256
8acea0d82afc22d6bce03dc738eb8dd5588e7670b36b88fc452a9415b4b22f30

SHA512
a059d9d28cd3b8b209c9e872e58543b54f498b49c5d3cee214c1c64e8c12e5a8be069f8cc57dc4f39101bacdcee25c57bdd9c3e4a5a4425100c8eb15b2c194f6

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

Filesize
376B

MD5
1acb5e8090fc4b0ac7ecb4ca6a3f2a7a

SHA1
2f2e491b2b1eadac97cc1cc332da8409c15c71db

SHA256
804c7a0e91d2168f6fbb018d39f0c3e96f2896dad704a69c51e68636a698dc65

SHA512
ce7ca5fe826bb36e98ea82be89505e64c5c7e21ecdb67e55b1278469c8b5053d9f245c3b0f14d9b264360b0a839ca93db7fc258d627ce2f2964faa6be52ca834

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

Filesize
352B

MD5
5f5cdfe8952b676af2718afa3b96ace0

SHA1
5d4f20899f31671791afe5cb47acf0af6b1a2340

SHA256
6d46cc9c70d532f2d35f94d2f11c00e40a2f81d817969e946b82b947f254fd85

SHA512
62e62f678d40b6d5c527f2d949474cd650cfb8e8ddbe0f3216e82c5a38d47b11af8cf8c2f21f6825f4c856e8add49c1cd091d42e6a2d4c52fdad0c4b7f118d9c

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/1600-20-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1600-10-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1600-80-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1600-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1600-56-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1600-25-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1600-30-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1600-32-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1600-37-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1600-42-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1600-44-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1600-49-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1600-54-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2528-17-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/2528-55-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2528-53-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2528-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2528-16-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2528-4-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/2528-79-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads