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 3 IoCs

resource	yara_rule
behavioral2/memory/1116-13-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/1116-51-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/1116-56-0x0000000000500000-0x0000000000510200-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
5052	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
behavioral2/memory/1116-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/files/0x000b000000023b3c-4.dat	upx
behavioral2/memory/5052-6-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1116-13-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/5052-15-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/5052-16-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/5052-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/5052-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/5052-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/5052-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/5052-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/5052-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/5052-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/5052-50-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1116-51-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/5052-52-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1116-56-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/5052-57-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/files/0x0003000000000709-62.dat	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	f38cca5c4ba7bd0b8ec73757fe398c31fdcad27c795f8dfc6cccbd4b1ba09d9f.exe
File opened for modification	C:\Windows\java.exe	f38cca5c4ba7bd0b8ec73757fe398c31fdcad27c795f8dfc6cccbd4b1ba09d9f.exe
File created	C:\Windows\java.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 3 IoCs

description	pid	Process	procid_target
PID 1116 wrote to memory of 5052	1116	f38cca5c4ba7bd0b8ec73757fe398c31fdcad27c795f8dfc6cccbd4b1ba09d9f.exe	83
PID 1116 wrote to memory of 5052	1116	f38cca5c4ba7bd0b8ec73757fe398c31fdcad27c795f8dfc6cccbd4b1ba09d9f.exe	83
PID 1116 wrote to memory of 5052	1116	f38cca5c4ba7bd0b8ec73757fe398c31fdcad27c795f8dfc6cccbd4b1ba09d9f.exe	83

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:1116
- 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:5052

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\OIPZWEW8\21R1S9TH.htm

Filesize
162KB

MD5
17b8ca20b9cb278e4e1e3009c61a4520

SHA1
e224ecd2f07e7f4b57f4b6adf1c21818e6b457ff

SHA256
1aa1227eff3c4438b1597ad1b14aaca145bac61625e1e922efd08cb475132e9d

SHA512
9c740455ee41c0101000d6e9b8a5c5eeab727b69ef438fe62fbe6c53e0de6d97b8056c0485a3b3d9b91bab00560c471dcd5cd999a0bc7a633556a4d96963b254

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp2C27.tmp

Filesize
29KB

MD5
4e314e648c14f4285c4261f45a0bba1e

SHA1
a27d2668cdf5b5b63973826a07eeeb55f9a80274

SHA256
dfe2db9fdb7d1b56bd7a333646a05e6815917be9796094db3ee1a55c508a5c7e

SHA512
6152a3990a670b443b83fb6fa5bc39400332f0d8b221d196874c5a9b068a68fe6d2fc0983fe7f7ecc024830187530366d8e29d6941f4662fe05a1dd7ba95af82

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

Filesize
320B

MD5
a9207738b997f33ff0d2ef30b9754983

SHA1
7a1adb13caf47b5024ee580c46459fec29d0152e

SHA256
9ea3a9ca24a0aeb9e1d57166d5cc16ad0eb9f3f68ddf695b26bc0bedf8ffecbd

SHA512
cbc11440f4233c0ecd92bc5a0bfd2714ac8b63d900f6c2a0a27e291674b1563a00fedcee25867cb90901e633b4fa4be02cd14156a9300a7b7c51dc75a57a7bec

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/1116-51-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1116-13-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1116-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1116-56-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/5052-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5052-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5052-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5052-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5052-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5052-50-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5052-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5052-52-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5052-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5052-57-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5052-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5052-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5052-6-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads