Analysis
-
max time kernel
148s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
25-06-2022 10:30
Static task
static1
Behavioral task
behavioral1
Sample
bbb17749e7d4493a06e557a500eefd2f3472439ca955d2b2f74367c431d39348.exe
Resource
win7-20220414-en
windows7_x64
0 signatures
0 seconds
General
-
Target
bbb17749e7d4493a06e557a500eefd2f3472439ca955d2b2f74367c431d39348.exe
-
Size
74KB
-
MD5
0026837efde126f59238b7452d1a01c2
-
SHA1
1df151784fd01abbbcf0918f91634d2b89edf16f
-
SHA256
bbb17749e7d4493a06e557a500eefd2f3472439ca955d2b2f74367c431d39348
-
SHA512
ffb484eb3b4a1f029c6f7dcf0a19c475c871a282b49cde08c512a64878c597286405f27b9eb6c5ad677ec9155659f3979965c5be3594f50782524ab5b290757c
Malware Config
Signatures
-
Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat sitkahotspot.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Modifies data under HKEY_USERS 21 IoCs
description ioc Process Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 sitkahotspot.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" sitkahotspot.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings sitkahotspot.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5E9C4CFF-38CF-4CC0-82C1-CEB64E9EE5C6}\WpadDecisionReason = "1" sitkahotspot.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ea-30-60-70-ab-5a\WpadDecisionReason = "1" sitkahotspot.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ea-30-60-70-ab-5a\WpadDecisionTime = a0cd68409088d801 sitkahotspot.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 sitkahotspot.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f008d000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 sitkahotspot.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5E9C4CFF-38CF-4CC0-82C1-CEB64E9EE5C6} sitkahotspot.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5E9C4CFF-38CF-4CC0-82C1-CEB64E9EE5C6}\WpadNetworkName = "Network 3" sitkahotspot.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections sitkahotspot.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" sitkahotspot.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" sitkahotspot.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad sitkahotspot.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5E9C4CFF-38CF-4CC0-82C1-CEB64E9EE5C6}\WpadDecision = "0" sitkahotspot.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5E9C4CFF-38CF-4CC0-82C1-CEB64E9EE5C6}\ea-30-60-70-ab-5a sitkahotspot.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ea-30-60-70-ab-5a\WpadDecision = "0" sitkahotspot.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings sitkahotspot.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix sitkahotspot.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5E9C4CFF-38CF-4CC0-82C1-CEB64E9EE5C6}\WpadDecisionTime = a0cd68409088d801 sitkahotspot.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ea-30-60-70-ab-5a sitkahotspot.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1356 sitkahotspot.exe 1356 sitkahotspot.exe 1356 sitkahotspot.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 1748 bbb17749e7d4493a06e557a500eefd2f3472439ca955d2b2f74367c431d39348.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 536 wrote to memory of 1748 536 bbb17749e7d4493a06e557a500eefd2f3472439ca955d2b2f74367c431d39348.exe 28 PID 536 wrote to memory of 1748 536 bbb17749e7d4493a06e557a500eefd2f3472439ca955d2b2f74367c431d39348.exe 28 PID 536 wrote to memory of 1748 536 bbb17749e7d4493a06e557a500eefd2f3472439ca955d2b2f74367c431d39348.exe 28 PID 536 wrote to memory of 1748 536 bbb17749e7d4493a06e557a500eefd2f3472439ca955d2b2f74367c431d39348.exe 28 PID 1144 wrote to memory of 1356 1144 sitkahotspot.exe 30 PID 1144 wrote to memory of 1356 1144 sitkahotspot.exe 30 PID 1144 wrote to memory of 1356 1144 sitkahotspot.exe 30 PID 1144 wrote to memory of 1356 1144 sitkahotspot.exe 30
Processes
-
C:\Users\Admin\AppData\Local\Temp\bbb17749e7d4493a06e557a500eefd2f3472439ca955d2b2f74367c431d39348.exe"C:\Users\Admin\AppData\Local\Temp\bbb17749e7d4493a06e557a500eefd2f3472439ca955d2b2f74367c431d39348.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:536 -
C:\Users\Admin\AppData\Local\Temp\bbb17749e7d4493a06e557a500eefd2f3472439ca955d2b2f74367c431d39348.exe--3dda84932⤵
- Suspicious behavior: RenamesItself
PID:1748
-
-
C:\Windows\SysWOW64\sitkahotspot.exe"C:\Windows\SysWOW64\sitkahotspot.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1144 -
C:\Windows\SysWOW64\sitkahotspot.exe--1d5ccc4d2⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
PID:1356
-