Analysis
-
max time kernel
120s -
max time network
115s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
30-12-2024 18:33
Behavioral task
behavioral1
Sample
f37933dad9f376f777166159be2ebb5e44a09eb2a75044dd7a5abf78ab844718N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
f37933dad9f376f777166159be2ebb5e44a09eb2a75044dd7a5abf78ab844718N.exe
Resource
win10v2004-20241007-en
General
-
Target
f37933dad9f376f777166159be2ebb5e44a09eb2a75044dd7a5abf78ab844718N.exe
-
Size
29KB
-
MD5
9221512da4deb11c5f00ff1a6e9ea710
-
SHA1
440523ec50acaf7d967d6d18a2cc6cd75a411394
-
SHA256
f37933dad9f376f777166159be2ebb5e44a09eb2a75044dd7a5abf78ab844718
-
SHA512
7b5ed3440c5d4ecd4052997be422f47c495c828836b5b50a41ac3988e06723b56d35ab371a16e4f6dac40f951e8f92995c0d4bb4c042bc08cebed06b4b525d98
-
SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/ehQ:AEwVs+0jNDY1qi/qGm
Malware Config
Signatures
-
Detects MyDoom family 3 IoCs
resource yara_rule behavioral1/memory/2280-2-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2280-17-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2280-61-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
-
Executes dropped EXE 1 IoCs
pid Process 2352 services.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe" f37933dad9f376f777166159be2ebb5e44a09eb2a75044dd7a5abf78ab844718N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2280-2-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2280-4-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/files/0x000800000001739c-7.dat upx behavioral1/memory/2352-11-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2280-17-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2352-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2352-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2352-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2352-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2352-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2352-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2352-43-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2352-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2352-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2352-55-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2352-57-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2352-62-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2280-61-0x0000000000500000-0x0000000000510200-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe f37933dad9f376f777166159be2ebb5e44a09eb2a75044dd7a5abf78ab844718N.exe File opened for modification C:\Windows\java.exe f37933dad9f376f777166159be2ebb5e44a09eb2a75044dd7a5abf78ab844718N.exe File created C:\Windows\java.exe f37933dad9f376f777166159be2ebb5e44a09eb2a75044dd7a5abf78ab844718N.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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f37933dad9f376f777166159be2ebb5e44a09eb2a75044dd7a5abf78ab844718N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2280 wrote to memory of 2352 2280 f37933dad9f376f777166159be2ebb5e44a09eb2a75044dd7a5abf78ab844718N.exe 31 PID 2280 wrote to memory of 2352 2280 f37933dad9f376f777166159be2ebb5e44a09eb2a75044dd7a5abf78ab844718N.exe 31 PID 2280 wrote to memory of 2352 2280 f37933dad9f376f777166159be2ebb5e44a09eb2a75044dd7a5abf78ab844718N.exe 31 PID 2280 wrote to memory of 2352 2280 f37933dad9f376f777166159be2ebb5e44a09eb2a75044dd7a5abf78ab844718N.exe 31
Processes
-
C:\Users\Admin\AppData\Local\Temp\f37933dad9f376f777166159be2ebb5e44a09eb2a75044dd7a5abf78ab844718N.exe"C:\Users\Admin\AppData\Local\Temp\f37933dad9f376f777166159be2ebb5e44a09eb2a75044dd7a5abf78ab844718N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2280 -
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:2352
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2