Analysis
- max time kernel
145s - max time network
133s - platform
windows10_x64 - resource
win10v20201028 - submitted
06/01/2021, 07:03
Static task
static1
Behavioral task
behavioral1
Sample
f8b6181da93f514b6693f805dbfed63f.exe
Resource
win7v20201028
0 signatures
0 seconds
General
- Target f8b6181da93f514b6693f805dbfed63f.exe
- Size 4.3MB
- Sample210106-d5yy88setx
- SHA256 fec73f9e948fb30fe01a715018c44268d64baead13d519e8e0065a844584f920
- MD5 f8b6181da93f514b6693f805dbfed63f
- SHA1 211010769c5c94ffac83a13838b0d49d6a624aaf
- SHA512 988145aa7b202a96b6cb584e533a0ebf53c7715f3a7c10fc65424afc676c2255db5e813ab3326b38240593d9d3e4a308dc1e3b4f63919bb70ebed4b57b422e8b
- MD5 SHA1 SHA512
Malware Config
Signatures
- BitRAT Payload 3 IoCs
resource yara_rule behavioral2/memory/1084-4-0x0000000000400000-0x00000000007BF000-memory.dmp family_bitrat behavioral2/memory/1084-5-0x000000000067FE96-mapping.dmp family_bitrat behavioral2/memory/1084-6-0x0000000000400000-0x00000000007BF000-memory.dmp family_bitrat - Uses the VBS compiler for execution 1 TTPs
- Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs
pid Process 1084 vbc.exe 1084 vbc.exe 1084 vbc.exe 1084 vbc.exe 1084 vbc.exe 1084 vbc.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1192 set thread context of 1084 1192 f8b6181da93f514b6693f805dbfed63f.exe 81 - Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3672 schtasks.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeShutdownPrivilege 1084 vbc.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1084 vbc.exe 1084 vbc.exe - Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 1192 wrote to memory of 3672 1192 f8b6181da93f514b6693f805dbfed63f.exe 79 PID 1192 wrote to memory of 3672 1192 f8b6181da93f514b6693f805dbfed63f.exe 79 PID 1192 wrote to memory of 3672 1192 f8b6181da93f514b6693f805dbfed63f.exe 79 PID 1192 wrote to memory of 1084 1192 f8b6181da93f514b6693f805dbfed63f.exe 81 PID 1192 wrote to memory of 1084 1192 f8b6181da93f514b6693f805dbfed63f.exe 81 PID 1192 wrote to memory of 1084 1192 f8b6181da93f514b6693f805dbfed63f.exe 81 PID 1192 wrote to memory of 1084 1192 f8b6181da93f514b6693f805dbfed63f.exe 81 PID 1192 wrote to memory of 1084 1192 f8b6181da93f514b6693f805dbfed63f.exe 81 PID 1192 wrote to memory of 1084 1192 f8b6181da93f514b6693f805dbfed63f.exe 81 PID 1192 wrote to memory of 1084 1192 f8b6181da93f514b6693f805dbfed63f.exe 81 PID 1192 wrote to memory of 1084 1192 f8b6181da93f514b6693f805dbfed63f.exe 81 PID 1192 wrote to memory of 1084 1192 f8b6181da93f514b6693f805dbfed63f.exe 81 PID 1192 wrote to memory of 1084 1192 f8b6181da93f514b6693f805dbfed63f.exe 81 PID 1192 wrote to memory of 1084 1192 f8b6181da93f514b6693f805dbfed63f.exe 81
Processes
-
C:\Users\Admin\AppData\Local\Temp\f8b6181da93f514b6693f805dbfed63f.exe"C:\Users\Admin\AppData\Local\Temp\f8b6181da93f514b6693f805dbfed63f.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1192 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uqEKxgRzmWu" /XML "C:\Users\Admin\AppData\Local\Temp\tmp595C.tmp"2⤵
- Creates scheduled task(s)
PID:3672
-
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1084
-