Analysis
- max time kernel
179s - max time network
197s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
08/07/2022, 06:44
Static task
static1
Behavioral task
behavioral1
Sample
4121794e6c8ffbf1a29d3dee1d0901b1682cd634f37502218739b78652a4a390.exe
Resource
win7-20220414-en
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
4121794e6c8ffbf1a29d3dee1d0901b1682cd634f37502218739b78652a4a390.exe
Resource
win10v2004-20220414-en
0 signatures
0 seconds
General
- Target 4121794e6c8ffbf1a29d3dee1d0901b1682cd634f37502218739b78652a4a390.exe
- Size 16KB
- Sample220708-hhjspadfej
- SHA256 4121794e6c8ffbf1a29d3dee1d0901b1682cd634f37502218739b78652a4a390
- MD5 9c5088af14da209f0a78ca828ad16e97
- SHA1 8955e3530454adc88e36183ec26b36cf48138c3c
- SHA512 a8986849183c61ac2643186614284a6620501bae3dee3c1a9c6a55f5aa7b5cc2b5b4456227bbbda39d2103ea84d2c91a1d185ad90603519e93ac6ffeab328a79
- SSDEEP 384:OKBvkPHxH19GTXjdhknuujYcV6AUwJFZb:OYeRV9Ah6fYcV6Dw9b
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
loaderbot
C2
-
http://user78171.7ci.ru/cmd.php
Signatures
- LoaderBot executable 1 IoCs
resource yara_rule behavioral2/memory/1760-130-0x0000000000A80000-0x0000000000A8A000-memory.dmp loaderbot - Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Webhost.url 4121794e6c8ffbf1a29d3dee1d0901b1682cd634f37502218739b78652a4a390.exe - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Webhost = "C:\\Users\\Admin\\AppData\\Roaming\\Windows\\4121794e6c8ffbf1a29d3dee1d0901b1682cd634f37502218739b78652a4a390.exe" 4121794e6c8ffbf1a29d3dee1d0901b1682cd634f37502218739b78652a4a390.exe Set value (str) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Webhost = "C:\\Users\\Admin\\AppData\\Roaming\\Windows\\4121794e6c8ffbf1a29d3dee1d0901b1682cd634f37502218739b78652a4a390.exe" 4121794e6c8ffbf1a29d3dee1d0901b1682cd634f37502218739b78652a4a390.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 4088 schtasks.exe 2344 schtasks.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1760 4121794e6c8ffbf1a29d3dee1d0901b1682cd634f37502218739b78652a4a390.exe 4568 4121794e6c8ffbf1a29d3dee1d0901b1682cd634f37502218739b78652a4a390.exe - Suspicious behavior: RenamesItself 1 IoCs
pid Process 1760 4121794e6c8ffbf1a29d3dee1d0901b1682cd634f37502218739b78652a4a390.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1760 4121794e6c8ffbf1a29d3dee1d0901b1682cd634f37502218739b78652a4a390.exe Token: SeDebugPrivilege 4568 4121794e6c8ffbf1a29d3dee1d0901b1682cd634f37502218739b78652a4a390.exe - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 1760 wrote to memory of 4036 1760 4121794e6c8ffbf1a29d3dee1d0901b1682cd634f37502218739b78652a4a390.exe 78 PID 1760 wrote to memory of 4036 1760 4121794e6c8ffbf1a29d3dee1d0901b1682cd634f37502218739b78652a4a390.exe 78 PID 1760 wrote to memory of 4036 1760 4121794e6c8ffbf1a29d3dee1d0901b1682cd634f37502218739b78652a4a390.exe 78 PID 4036 wrote to memory of 4088 4036 cmd.exe 80 PID 4036 wrote to memory of 4088 4036 cmd.exe 80 PID 4036 wrote to memory of 4088 4036 cmd.exe 80 PID 4568 wrote to memory of 4460 4568 4121794e6c8ffbf1a29d3dee1d0901b1682cd634f37502218739b78652a4a390.exe 83 PID 4568 wrote to memory of 4460 4568 4121794e6c8ffbf1a29d3dee1d0901b1682cd634f37502218739b78652a4a390.exe 83 PID 4568 wrote to memory of 4460 4568 4121794e6c8ffbf1a29d3dee1d0901b1682cd634f37502218739b78652a4a390.exe 83 PID 4460 wrote to memory of 2344 4460 cmd.exe 85 PID 4460 wrote to memory of 2344 4460 cmd.exe 85 PID 4460 wrote to memory of 2344 4460 cmd.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\4121794e6c8ffbf1a29d3dee1d0901b1682cd634f37502218739b78652a4a390.exe"C:\Users\Admin\AppData\Local\Temp\4121794e6c8ffbf1a29d3dee1d0901b1682cd634f37502218739b78652a4a390.exe"1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1760 -
C:\Windows\SysWOW64\cmd.exe"cmd" /C schtasks /create /tn \System\SecurityServiceUpdate /tr %userprofile%\AppData\Roaming\Windows\4121794e6c8ffbf1a29d3dee1d0901b1682cd634f37502218739b78652a4a390.exe /st 00:00 /du 9999:59 /sc daily /ri 5 /f2⤵
- Suspicious use of WriteProcessMemory
PID:4036 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /tn \System\SecurityServiceUpdate /tr C:\Users\Admin\AppData\Roaming\Windows\4121794e6c8ffbf1a29d3dee1d0901b1682cd634f37502218739b78652a4a390.exe /st 00:00 /du 9999:59 /sc daily /ri 5 /f3⤵
- Creates scheduled task(s)
PID:4088
-
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C:\Users\Admin\AppData\Roaming\Windows\4121794e6c8ffbf1a29d3dee1d0901b1682cd634f37502218739b78652a4a390.exeC:\Users\Admin\AppData\Roaming\Windows\4121794e6c8ffbf1a29d3dee1d0901b1682cd634f37502218739b78652a4a390.exe1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4568 -
C:\Windows\SysWOW64\cmd.exe"cmd" /C schtasks /create /tn \System\SecurityServiceUpdate /tr %userprofile%\AppData\Roaming\Windows\4121794e6c8ffbf1a29d3dee1d0901b1682cd634f37502218739b78652a4a390.exe /st 00:00 /du 9999:59 /sc daily /ri 5 /f2⤵
- Suspicious use of WriteProcessMemory
PID:4460 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /tn \System\SecurityServiceUpdate /tr C:\Users\Admin\AppData\Roaming\Windows\4121794e6c8ffbf1a29d3dee1d0901b1682cd634f37502218739b78652a4a390.exe /st 00:00 /du 9999:59 /sc daily /ri 5 /f3⤵
- Creates scheduled task(s)
PID:2344
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