Analysis
-
max time kernel
157s -
max time network
177s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
06/01/2024, 08:01
Behavioral task
behavioral1
Sample
a632a39ffdce2f2de984c6992d188986.exe
Resource
win7-20231215-en
General
-
Target
a632a39ffdce2f2de984c6992d188986.exe
-
Size
533KB
-
MD5
a632a39ffdce2f2de984c6992d188986
-
SHA1
7a1bb8fea06c819b7e575f9ef431af09151837eb
-
SHA256
6800905847788c228e211fd1086dad6a20aa745d1351c0bd43d5f89aa58b1c9e
-
SHA512
a7a6f0bc2448f3222652882893c9b14e21f073dce0dc0509c534bd0e1219a8860278be485a1b41333f7b9dc969431aacd54701f4ca7eb9d615ffdf192452244b
-
SSDEEP
12288:HLV6Btpmklh0YDwhTOSq5nyxUnfMgE9Pb/ji7u8LW:rApflh0Ik5vanhI/ku86
Malware Config
Signatures
-
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DHCP Service = "C:\\Program Files\\DHCP Service\\dhcpsvc.exe" a632a39ffdce2f2de984c6992d188986.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA a632a39ffdce2f2de984c6992d188986.exe -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files\DHCP Service\dhcpsvc.exe a632a39ffdce2f2de984c6992d188986.exe File opened for modification C:\Program Files\DHCP Service\dhcpsvc.exe a632a39ffdce2f2de984c6992d188986.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1268 schtasks.exe 1616 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 324 a632a39ffdce2f2de984c6992d188986.exe 324 a632a39ffdce2f2de984c6992d188986.exe 324 a632a39ffdce2f2de984c6992d188986.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 324 a632a39ffdce2f2de984c6992d188986.exe Token: SeDebugPrivilege 324 a632a39ffdce2f2de984c6992d188986.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 324 wrote to memory of 1268 324 a632a39ffdce2f2de984c6992d188986.exe 105 PID 324 wrote to memory of 1268 324 a632a39ffdce2f2de984c6992d188986.exe 105 PID 324 wrote to memory of 1616 324 a632a39ffdce2f2de984c6992d188986.exe 107 PID 324 wrote to memory of 1616 324 a632a39ffdce2f2de984c6992d188986.exe 107 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\a632a39ffdce2f2de984c6992d188986.exe"C:\Users\Admin\AppData\Local\Temp\a632a39ffdce2f2de984c6992d188986.exe"1⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:324 -
C:\Windows\SYSTEM32\schtasks.exe"schtasks.exe" /create /f /tn "DHCP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp45F3.tmp"2⤵
- Creates scheduled task(s)
PID:1268
-
-
C:\Windows\SYSTEM32\schtasks.exe"schtasks.exe" /create /f /tn "DHCP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp60FE.tmp"2⤵
- Creates scheduled task(s)
PID:1616
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1KB
MD5029e60b39959bba895979975e33b96a5
SHA1ebd492c14ffb3733d315adc7378175a4de8d4104
SHA256037de60417e4d3866d82505a021651fd8101ad0c4270e86a1cc3c272dde08196
SHA5128977daaa0da4713c3802562402731d201c063385cd86728e81528a4b419f8a8302f6408e53906b69ebace2fc83b5567c2a6b6cf25958b3f73db3874909ef82bd
-
Filesize
1KB
MD5a1e72d32044df2250a28d62375b19f15
SHA1f82e0131f1a1fcbf825544cd2cc25e28174c47ee
SHA256b3e2fff6289e337bc83c056904dad620e5edc7f28ac3690ab4900f3ec90df799
SHA512df04c1f421c3d2ed3c928e388aa068be0c3b1bd16348f2692a63c641ec6cd3b103525a8e39298566a395f863fc23a3e29cf2ae50f3e68b5ffba981241587a88b