Analysis
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max time kernel
151s -
max time network
47s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
13-09-2022 09:12
Static task
static1
Behavioral task
behavioral1
Sample
RasTls.dll
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
RasTls.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral3
Sample
RasTls.dll.res
Resource
win7-20220812-en
Behavioral task
behavioral4
Sample
RasTls.dll.res
Resource
win10v2004-20220812-en
Behavioral task
behavioral5
Sample
RasTls.exe
Resource
win7-20220901-en
General
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Target
RasTls.exe
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Size
105KB
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MD5
62944e26b36b1dcace429ae26ba66164
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SHA1
2616da1697f7c764ee7fb558887a6a3279861fac
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SHA256
f9ebf6aeb3f0fb0c29bd8f3d652476cd1fe8bd9a0c11cb15c43de33bbce0bf68
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SHA512
e3c366044ac0b4df834b2f05d900cad01bc55b39028984ed3486aa2522e8c226bf9a81952da2c7e4bf0bc2c322d10fe58329e787238bb710a137827927b48d7c
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SSDEEP
1536:To0lZUH+MeI1M04n45PFmsMfgiqf5YXneJ07soW8VD5cN:TOw4jYgiqf5yh7sl8VF
Malware Config
Signatures
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Detects Talisman variant of PlugX 1 IoCs
resource yara_rule behavioral5/memory/1760-59-0x0000000000390000-0x00000000003C9000-memory.dmp family_plugx_talisman -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 432 schtasks.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1760 RasTls.exe Token: SeTcbPrivilege 1760 RasTls.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 1760 wrote to memory of 1092 1760 RasTls.exe 27 PID 1760 wrote to memory of 1092 1760 RasTls.exe 27 PID 1760 wrote to memory of 1092 1760 RasTls.exe 27 PID 1760 wrote to memory of 1092 1760 RasTls.exe 27 PID 1760 wrote to memory of 1268 1760 RasTls.exe 29 PID 1760 wrote to memory of 1268 1760 RasTls.exe 29 PID 1760 wrote to memory of 1268 1760 RasTls.exe 29 PID 1760 wrote to memory of 1268 1760 RasTls.exe 29 PID 1092 wrote to memory of 1148 1092 cmd.exe 30 PID 1092 wrote to memory of 1148 1092 cmd.exe 30 PID 1092 wrote to memory of 1148 1092 cmd.exe 30 PID 1092 wrote to memory of 1148 1092 cmd.exe 30 PID 1268 wrote to memory of 432 1268 cmd.exe 32 PID 1268 wrote to memory of 432 1268 cmd.exe 32 PID 1268 wrote to memory of 432 1268 cmd.exe 32 PID 1268 wrote to memory of 432 1268 cmd.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\RasTls.exe"C:\Users\Admin\AppData\Local\Temp\RasTls.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1760 -
\??\c:\windows\SysWOW64\cmd.exec:\windows\system32\cmd.exe /c c:\windows\system32\schtasks.exe /delete /tn "SymantecRasTls" /F2⤵
- Suspicious use of WriteProcessMemory
PID:1092 -
\??\c:\windows\SysWOW64\schtasks.exec:\windows\system32\schtasks.exe /delete /tn "SymantecRasTls" /F3⤵PID:1148
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\??\c:\windows\SysWOW64\cmd.exec:\windows\system32\cmd.exe /c c:\windows\system32\schtasks.exe /create /sc minute /mo 2 /tn "SymantecRasTls" /tr "\"C:\ProgramData\SymantecRasTls\RasTls.exe\"" /ru "system"2⤵
- Suspicious use of WriteProcessMemory
PID:1268 -
\??\c:\windows\SysWOW64\schtasks.exec:\windows\system32\schtasks.exe /create /sc minute /mo 2 /tn "SymantecRasTls" /tr "\"C:\ProgramData\SymantecRasTls\RasTls.exe\"" /ru "system"3⤵
- Creates scheduled task(s)
PID:432
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C:\Windows\system32\taskeng.exetaskeng.exe {33E8986E-BB6B-4B70-BF21-EABA67314701} S-1-5-18:NT AUTHORITY\System:Service:1⤵PID:1932