mydoom | 3a5042b3fc2b210247d099f25db59c4c5595b8e198aeab69332409d630d77162

General

Target

3a5042b3fc2b210247d099f25db59c4c5595b8e198aeab69332409d630d77162.exe
Size

29KB
MD5

a8f2eedff7af116ded5d533b3ef71757
SHA1

288f0bb3a78879d8e565a1c137838cd0abc7cc9e
SHA256

3a5042b3fc2b210247d099f25db59c4c5595b8e198aeab69332409d630d77162
SHA512

b7182cc6b9e86c305afc4b06212bcb413c5bac1b355e971d51cf9462f9dd8b6df20017f03575a137043728e3f77a467eb3396e5acc1c1e31deca3d9065748fc0
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/o:AEwVs+0jNDY1qi/qw

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 2 IoCs

resource	yara_rule
behavioral2/memory/4668-13-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4668-56-0x0000000000500000-0x0000000000510200-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
1880	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"	3a5042b3fc2b210247d099f25db59c4c5595b8e198aeab69332409d630d77162.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

UPX packed file 18 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4668-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/files/0x0008000000023c88-4.dat	upx
behavioral2/memory/1880-5-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4668-13-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/1880-16-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1880-15-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1880-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1880-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1880-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1880-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1880-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1880-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1880-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1880-50-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1880-52-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4668-56-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/1880-57-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/files/0x0004000000000707-67.dat	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	3a5042b3fc2b210247d099f25db59c4c5595b8e198aeab69332409d630d77162.exe
File opened for modification	C:\Windows\java.exe	3a5042b3fc2b210247d099f25db59c4c5595b8e198aeab69332409d630d77162.exe
File created	C:\Windows\java.exe	3a5042b3fc2b210247d099f25db59c4c5595b8e198aeab69332409d630d77162.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	3a5042b3fc2b210247d099f25db59c4c5595b8e198aeab69332409d630d77162.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4668 wrote to memory of 1880	4668	3a5042b3fc2b210247d099f25db59c4c5595b8e198aeab69332409d630d77162.exe	83
PID 4668 wrote to memory of 1880	4668	3a5042b3fc2b210247d099f25db59c4c5595b8e198aeab69332409d630d77162.exe	83
PID 4668 wrote to memory of 1880	4668	3a5042b3fc2b210247d099f25db59c4c5595b8e198aeab69332409d630d77162.exe	83

C:\Users\Admin\AppData\Local\Temp\3a5042b3fc2b210247d099f25db59c4c5595b8e198aeab69332409d630d77162.exe
"C:\Users\Admin\AppData\Local\Temp\3a5042b3fc2b210247d099f25db59c4c5595b8e198aeab69332409d630d77162.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4668
- 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:1880

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\H4VCA4X1\search[2].htm

Filesize
25B

MD5
8ba61a16b71609a08bfa35bc213fce49

SHA1
8374dddcc6b2ede14b0ea00a5870a11b57ced33f

SHA256
6aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1

SHA512
5855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp4CA1.tmp

Filesize
29KB

MD5
dc7c450b9110167c45683eac59a42305

SHA1
37869e6901ac3704ca79d9a308b411020112ac1b

SHA256
749b8a1cbf93876621023e439bedb344a89c0a262375b6b0bb4c6e92e0a0a4e8

SHA512
158ec269d4e96b8cdab4872b3e2350f7b1f45551be69026cc09e87769cdb19ff61f5059b9a0f4d20e2e20ed156ad4192387b8aec4fa9d25419a146e0a64ac5e3

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

Filesize
352B

MD5
75db0cd5ee3550241dadfe0e301a2f1f

SHA1
d703da60fb30fd510ff8a1c739b952e43b75a3ce

SHA256
45aea3a62cc238ed104429c2d27b8c317b0cd149bf742626d3eb34c59d84b0a1

SHA512
224799f36a81926856efa708df6e05689f2911110526c55372cd57b40a318869daa92078f5c01dba1861b3e1bc6b3a11bd24e4ba49b307314a270564d76d30ff

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/1880-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1880-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1880-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1880-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1880-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1880-5-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1880-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1880-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1880-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1880-50-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1880-52-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1880-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1880-57-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4668-56-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4668-13-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4668-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads