Analysis
-
max time kernel
150s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
17-02-2023 01:09
Static task
static1
Behavioral task
behavioral1
Sample
d522a2afd51e06415121bdb9086b1184203f2d102d5e11f105942384a0fe6926.exe
Resource
win10v2004-20221111-en
General
-
Target
d522a2afd51e06415121bdb9086b1184203f2d102d5e11f105942384a0fe6926.exe
-
Size
252KB
-
MD5
67e18e5dba3b7af185f1f5f555727f2a
-
SHA1
d927f201c3f52341624da9414f4efdec1dbe191c
-
SHA256
d522a2afd51e06415121bdb9086b1184203f2d102d5e11f105942384a0fe6926
-
SHA512
ba03f854cf2753200d950a40b1b7af800efccf2fa28e7cb68b4913053095273ba73902b3bddd89aca3ba496b52e1fa9f921b75a6209d03911d185bbfef32eec6
-
SSDEEP
3072:CbQnrBNL1pE1GBhboo4g0xg4nCmoiTq+G90xHHPV0v:0YrjLUGJv0tnCmRTW4HHK
Malware Config
Signatures
-
Detects Smokeloader packer 1 IoCs
resource yara_rule behavioral1/memory/4992-133-0x00000000021D0000-0x00000000021D9000-memory.dmp family_smokeloader -
SmokeLoader
Modular backdoor trojan in use since 2014.
-
Downloads MZ/PE file
-
Executes dropped EXE 3 IoCs
pid Process 3892 civbsbb 1216 180C.exe 3552 2D2B.exe -
Uses the VBS compiler for execution 1 TTPs
-
Legitimate hosting services abused for malware hosting/C2 1 TTPs
-
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3552 set thread context of 2428 3552 2D2B.exe 93 -
Program crash 1 IoCs
pid pid_target Process procid_target 2024 3552 WerFault.exe 90 -
Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI d522a2afd51e06415121bdb9086b1184203f2d102d5e11f105942384a0fe6926.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI d522a2afd51e06415121bdb9086b1184203f2d102d5e11f105942384a0fe6926.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI d522a2afd51e06415121bdb9086b1184203f2d102d5e11f105942384a0fe6926.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI civbsbb Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI civbsbb Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI civbsbb -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4992 d522a2afd51e06415121bdb9086b1184203f2d102d5e11f105942384a0fe6926.exe 4992 d522a2afd51e06415121bdb9086b1184203f2d102d5e11f105942384a0fe6926.exe 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2620 Process not Found -
Suspicious behavior: MapViewOfSection 20 IoCs
pid Process 4992 d522a2afd51e06415121bdb9086b1184203f2d102d5e11f105942384a0fe6926.exe 3892 civbsbb 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found -
Suspicious use of AdjustPrivilegeToken 13 IoCs
description pid Process Token: SeShutdownPrivilege 2620 Process not Found Token: SeCreatePagefilePrivilege 2620 Process not Found Token: SeShutdownPrivilege 2620 Process not Found Token: SeCreatePagefilePrivilege 2620 Process not Found Token: SeShutdownPrivilege 2620 Process not Found Token: SeCreatePagefilePrivilege 2620 Process not Found Token: SeShutdownPrivilege 2620 Process not Found Token: SeCreatePagefilePrivilege 2620 Process not Found Token: SeShutdownPrivilege 2620 Process not Found Token: SeCreatePagefilePrivilege 2620 Process not Found Token: SeDebugPrivilege 2428 vbc.exe Token: SeShutdownPrivilege 2620 Process not Found Token: SeCreatePagefilePrivilege 2620 Process not Found -
Suspicious use of WriteProcessMemory 43 IoCs
description pid Process procid_target PID 2620 wrote to memory of 1216 2620 Process not Found 89 PID 2620 wrote to memory of 1216 2620 Process not Found 89 PID 2620 wrote to memory of 3552 2620 Process not Found 90 PID 2620 wrote to memory of 3552 2620 Process not Found 90 PID 2620 wrote to memory of 3552 2620 Process not Found 90 PID 2620 wrote to memory of 1296 2620 Process not Found 92 PID 2620 wrote to memory of 1296 2620 Process not Found 92 PID 2620 wrote to memory of 1296 2620 Process not Found 92 PID 2620 wrote to memory of 1296 2620 Process not Found 92 PID 3552 wrote to memory of 2428 3552 2D2B.exe 93 PID 3552 wrote to memory of 2428 3552 2D2B.exe 93 PID 3552 wrote to memory of 2428 3552 2D2B.exe 93 PID 3552 wrote to memory of 2428 3552 2D2B.exe 93 PID 3552 wrote to memory of 2428 3552 2D2B.exe 93 PID 2620 wrote to memory of 828 2620 Process not Found 97 PID 2620 wrote to memory of 828 2620 Process not Found 97 PID 2620 wrote to memory of 828 2620 Process not Found 97 PID 2620 wrote to memory of 4240 2620 Process not Found 98 PID 2620 wrote to memory of 4240 2620 Process not Found 98 PID 2620 wrote to memory of 4240 2620 Process not Found 98 PID 2620 wrote to memory of 4240 2620 Process not Found 98 PID 2620 wrote to memory of 4248 2620 Process not Found 99 PID 2620 wrote to memory of 4248 2620 Process not Found 99 PID 2620 wrote to memory of 4248 2620 Process not Found 99 PID 2620 wrote to memory of 3452 2620 Process not Found 100 PID 2620 wrote to memory of 3452 2620 Process not Found 100 PID 2620 wrote to memory of 3452 2620 Process not Found 100 PID 2620 wrote to memory of 3452 2620 Process not Found 100 PID 2620 wrote to memory of 1004 2620 Process not Found 101 PID 2620 wrote to memory of 1004 2620 Process not Found 101 PID 2620 wrote to memory of 1004 2620 Process not Found 101 PID 2620 wrote to memory of 1004 2620 Process not Found 101 PID 2620 wrote to memory of 4520 2620 Process not Found 102 PID 2620 wrote to memory of 4520 2620 Process not Found 102 PID 2620 wrote to memory of 4520 2620 Process not Found 102 PID 2620 wrote to memory of 4520 2620 Process not Found 102 PID 2620 wrote to memory of 1848 2620 Process not Found 103 PID 2620 wrote to memory of 1848 2620 Process not Found 103 PID 2620 wrote to memory of 1848 2620 Process not Found 103 PID 2620 wrote to memory of 1448 2620 Process not Found 104 PID 2620 wrote to memory of 1448 2620 Process not Found 104 PID 2620 wrote to memory of 1448 2620 Process not Found 104 PID 2620 wrote to memory of 1448 2620 Process not Found 104
Processes
-
C:\Users\Admin\AppData\Local\Temp\d522a2afd51e06415121bdb9086b1184203f2d102d5e11f105942384a0fe6926.exe"C:\Users\Admin\AppData\Local\Temp\d522a2afd51e06415121bdb9086b1184203f2d102d5e11f105942384a0fe6926.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4992
-
C:\Users\Admin\AppData\Roaming\civbsbbC:\Users\Admin\AppData\Roaming\civbsbb1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:3892
-
C:\Users\Admin\AppData\Local\Temp\180C.exeC:\Users\Admin\AppData\Local\Temp\180C.exe1⤵
- Executes dropped EXE
PID:1216
-
C:\Users\Admin\AppData\Local\Temp\2D2B.exeC:\Users\Admin\AppData\Local\Temp\2D2B.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3552 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"2⤵
- Suspicious use of AdjustPrivilegeToken
PID:2428
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3552 -s 2122⤵
- Program crash
PID:2024
-
-
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:1296
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3552 -ip 35521⤵PID:2052
-
C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵PID:828
-
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:4240
-
C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵PID:4248
-
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:3452
-
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:1004
-
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:4520
-
C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵PID:1848
-
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:1448
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
4KB
MD59748489855d9dd82ab09da5e3e55b19e
SHA16ed2bf6a1a53a59cd2137812cb43b5032817f6a1
SHA25605bdd09d934144589f7b90ac4ef6e8d7743c35f551219d98bc7fc933f98a157b
SHA5127eebbc3e42aad1af304ba38ca0c74e5f2293a630d98d4cfd48957f5f288bcb52cf323421c2b166e3b459450d5ef024167f8729b7b4b66651a34c3c3d4581a2be
-
Filesize
4KB
MD59748489855d9dd82ab09da5e3e55b19e
SHA16ed2bf6a1a53a59cd2137812cb43b5032817f6a1
SHA25605bdd09d934144589f7b90ac4ef6e8d7743c35f551219d98bc7fc933f98a157b
SHA5127eebbc3e42aad1af304ba38ca0c74e5f2293a630d98d4cfd48957f5f288bcb52cf323421c2b166e3b459450d5ef024167f8729b7b4b66651a34c3c3d4581a2be
-
Filesize
1.2MB
MD5dc27ef8aa9c5c53103d8fb56bbde1b29
SHA1e38af16c0e9246bccce5b5dff0fd11a4f3c49f28
SHA25667b26a8d7f192326203f250d49ba5ed085107cad937fa71aeae923969e6b27a7
SHA5123ce6972af50a8e32a7327fc52e51a46593dcef017351b24777511b9d4fb2a748b0755978fd809a9788ba6af1dc4c7a8fb0580bf785326e9de0eed370281de1eb
-
Filesize
1.2MB
MD5dc27ef8aa9c5c53103d8fb56bbde1b29
SHA1e38af16c0e9246bccce5b5dff0fd11a4f3c49f28
SHA25667b26a8d7f192326203f250d49ba5ed085107cad937fa71aeae923969e6b27a7
SHA5123ce6972af50a8e32a7327fc52e51a46593dcef017351b24777511b9d4fb2a748b0755978fd809a9788ba6af1dc4c7a8fb0580bf785326e9de0eed370281de1eb
-
Filesize
252KB
MD567e18e5dba3b7af185f1f5f555727f2a
SHA1d927f201c3f52341624da9414f4efdec1dbe191c
SHA256d522a2afd51e06415121bdb9086b1184203f2d102d5e11f105942384a0fe6926
SHA512ba03f854cf2753200d950a40b1b7af800efccf2fa28e7cb68b4913053095273ba73902b3bddd89aca3ba496b52e1fa9f921b75a6209d03911d185bbfef32eec6
-
Filesize
252KB
MD567e18e5dba3b7af185f1f5f555727f2a
SHA1d927f201c3f52341624da9414f4efdec1dbe191c
SHA256d522a2afd51e06415121bdb9086b1184203f2d102d5e11f105942384a0fe6926
SHA512ba03f854cf2753200d950a40b1b7af800efccf2fa28e7cb68b4913053095273ba73902b3bddd89aca3ba496b52e1fa9f921b75a6209d03911d185bbfef32eec6