mydoom | 7cffbc791ffba1b3777a1ebdc0ebec20c50d290cc5cb6e2efed3181ce5da6795

General

Target

7cffbc791ffba1b3777a1ebdc0ebec20c50d290cc5cb6e2efed3181ce5da6795.exe
Size

29KB
MD5

95696ae7d1f12e2d8fa244b66ea4d63d
SHA1

d1edfceaf6e71e7df5477252a8de1d5cd21f2309
SHA256

7cffbc791ffba1b3777a1ebdc0ebec20c50d290cc5cb6e2efed3181ce5da6795
SHA512

de29a60f647b3751f9decef6d6d3b66ed1da9241be5ef895130f63b3a5f7c1bbc048cce5a93ac368297de915f29a7960b247b6a1c9a54f91d1af030c9115f8dd
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Gx:AEwVs+0jNDY1qi/qux

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 3 IoCs

resource	yara_rule
behavioral2/memory/4044-13-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4044-51-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4044-132-0x0000000000500000-0x0000000000510200-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"	7cffbc791ffba1b3777a1ebdc0ebec20c50d290cc5cb6e2efed3181ce5da6795.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/4044-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/files/0x0008000000023c92-4.dat	upx
behavioral2/memory/2848-5-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4044-13-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/2848-15-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2848-16-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2848-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2848-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2848-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2848-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2848-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2848-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2848-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2848-50-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4044-51-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/2848-52-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/files/0x0003000000000709-60.dat	upx
behavioral2/memory/4044-132-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/2848-133-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	7cffbc791ffba1b3777a1ebdc0ebec20c50d290cc5cb6e2efed3181ce5da6795.exe
File opened for modification	C:\Windows\java.exe	7cffbc791ffba1b3777a1ebdc0ebec20c50d290cc5cb6e2efed3181ce5da6795.exe
File created	C:\Windows\java.exe	7cffbc791ffba1b3777a1ebdc0ebec20c50d290cc5cb6e2efed3181ce5da6795.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	services.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7cffbc791ffba1b3777a1ebdc0ebec20c50d290cc5cb6e2efed3181ce5da6795.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4044 wrote to memory of 2848	4044	7cffbc791ffba1b3777a1ebdc0ebec20c50d290cc5cb6e2efed3181ce5da6795.exe	84
PID 4044 wrote to memory of 2848	4044	7cffbc791ffba1b3777a1ebdc0ebec20c50d290cc5cb6e2efed3181ce5da6795.exe	84
PID 4044 wrote to memory of 2848	4044	7cffbc791ffba1b3777a1ebdc0ebec20c50d290cc5cb6e2efed3181ce5da6795.exe	84

C:\Users\Admin\AppData\Local\Temp\7cffbc791ffba1b3777a1ebdc0ebec20c50d290cc5cb6e2efed3181ce5da6795.exe
"C:\Users\Admin\AppData\Local\Temp\7cffbc791ffba1b3777a1ebdc0ebec20c50d290cc5cb6e2efed3181ce5da6795.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4044
- 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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0GUUC90F\search[3].htm

Filesize
25B

MD5
8ba61a16b71609a08bfa35bc213fce49

SHA1
8374dddcc6b2ede14b0ea00a5870a11b57ced33f

SHA256
6aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1

SHA512
5855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp30F9.tmp

Filesize
29KB

MD5
47bddf570b78c00fc60c36d1cfbdcc21

SHA1
ec142cf9d22b57cd4498386157eb9184a4d9a2dd

SHA256
3f9ef16536efb9ee4aa5101a3796b24d2280ffb7292ecb73d75615dd48edabfc

SHA512
7cc37a40d60595368fe7c99f97d153632dffaf64bc6f703c9bb32886f099616b6b9b53dc62e796dd9c07eb04f84695ebc7f4f65f65f19ae8f96a91962cce6ee8

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

Filesize
352B

MD5
249ca3033555477d945a995f1a05f2b9

SHA1
b7537a972d9b326188a5cd34e08034e98d9d5004

SHA256
645787a33f61f223e8ef8a6882a4f4973516dd8c7118fcf4e900f7670754f59d

SHA512
f6d1cd3a211e99d94e1b755cef0bb90ec4386eedb24520a2789258d0d9da48a01e9dbe6d268af3311c244c600862c34c61acd80ccc7cf59c1471c6ddd0d9d4ba

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/2848-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2848-133-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

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

Filesize
32KB

Download
memory/2848-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2848-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2848-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2848-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2848-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2848-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2848-50-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2848-5-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2848-52-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2848-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4044-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4044-132-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4044-13-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4044-51-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads