Analysis
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max time kernel
151s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
10/03/2023, 11:20
Static task
static1
Behavioral task
behavioral1
Sample
b76b84ca83697613fb8d2a8bc116961c8aadab57ca385f8a3032d9399aeff01f.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
b76b84ca83697613fb8d2a8bc116961c8aadab57ca385f8a3032d9399aeff01f.exe
Resource
win10v2004-20230220-en
General
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Target
b76b84ca83697613fb8d2a8bc116961c8aadab57ca385f8a3032d9399aeff01f.exe
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Size
164KB
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MD5
f5e4f6e86f8c5cbd492e36ae2aa9f72d
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SHA1
3d5be475174f64cb83886ea3109767686fe0bd0a
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SHA256
b76b84ca83697613fb8d2a8bc116961c8aadab57ca385f8a3032d9399aeff01f
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SHA512
51bfc69acfeeb6222c281a0380a65fc83fab342adaf876a81b90f1b869fe2878d20c47d3117d122d9d2732e3edbd8d496c8799d99905db1ce8060b8a20ccf06b
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SSDEEP
3072:4IiV3N1ncO8WEmQSkDMeAUhL1zkeM5sOeVbfZgH:4FV9xn8WEmjkIebhJQeROtH
Malware Config
Extracted
smokeloader
2022
http://ahead4scores.ac.ug/index.php
https://ahead4scores.ac.ug/index.php
Signatures
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SmokeLoader
Modular backdoor trojan in use since 2014.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 explorer.exe Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 explorer.exe Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 explorer.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1416 852 WerFault.exe 98 -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI b76b84ca83697613fb8d2a8bc116961c8aadab57ca385f8a3032d9399aeff01f.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI b76b84ca83697613fb8d2a8bc116961c8aadab57ca385f8a3032d9399aeff01f.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI b76b84ca83697613fb8d2a8bc116961c8aadab57ca385f8a3032d9399aeff01f.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4888 b76b84ca83697613fb8d2a8bc116961c8aadab57ca385f8a3032d9399aeff01f.exe 4888 b76b84ca83697613fb8d2a8bc116961c8aadab57ca385f8a3032d9399aeff01f.exe 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3132 Process not Found -
Suspicious behavior: MapViewOfSection 31 IoCs
pid Process 4888 b76b84ca83697613fb8d2a8bc116961c8aadab57ca385f8a3032d9399aeff01f.exe 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeShutdownPrivilege 3132 Process not Found Token: SeCreatePagefilePrivilege 3132 Process not Found Token: SeShutdownPrivilege 3132 Process not Found Token: SeCreatePagefilePrivilege 3132 Process not Found Token: SeShutdownPrivilege 3132 Process not Found Token: SeCreatePagefilePrivilege 3132 Process not Found -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3132 Process not Found 3132 Process not Found -
Suspicious use of WriteProcessMemory 55 IoCs
description pid Process procid_target PID 3132 wrote to memory of 3328 3132 Process not Found 92 PID 3132 wrote to memory of 3328 3132 Process not Found 92 PID 3132 wrote to memory of 3328 3132 Process not Found 92 PID 3132 wrote to memory of 3328 3132 Process not Found 92 PID 3132 wrote to memory of 4688 3132 Process not Found 93 PID 3132 wrote to memory of 4688 3132 Process not Found 93 PID 3132 wrote to memory of 4688 3132 Process not Found 93 PID 3132 wrote to memory of 4872 3132 Process not Found 94 PID 3132 wrote to memory of 4872 3132 Process not Found 94 PID 3132 wrote to memory of 4872 3132 Process not Found 94 PID 3132 wrote to memory of 4872 3132 Process not Found 94 PID 3132 wrote to memory of 2840 3132 Process not Found 95 PID 3132 wrote to memory of 2840 3132 Process not Found 95 PID 3132 wrote to memory of 2840 3132 Process not Found 95 PID 3132 wrote to memory of 2840 3132 Process not Found 95 PID 3132 wrote to memory of 996 3132 Process not Found 96 PID 3132 wrote to memory of 996 3132 Process not Found 96 PID 3132 wrote to memory of 996 3132 Process not Found 96 PID 3132 wrote to memory of 996 3132 Process not Found 96 PID 3132 wrote to memory of 852 3132 Process not Found 98 PID 3132 wrote to memory of 852 3132 Process not Found 98 PID 3132 wrote to memory of 852 3132 Process not Found 98 PID 3132 wrote to memory of 2220 3132 Process not Found 99 PID 3132 wrote to memory of 2220 3132 Process not Found 99 PID 3132 wrote to memory of 2220 3132 Process not Found 99 PID 3132 wrote to memory of 2220 3132 Process not Found 99 PID 3132 wrote to memory of 1124 3132 Process not Found 102 PID 3132 wrote to memory of 1124 3132 Process not Found 102 PID 3132 wrote to memory of 1124 3132 Process not Found 102 PID 3132 wrote to memory of 3848 3132 Process not Found 103 PID 3132 wrote to memory of 3848 3132 Process not Found 103 PID 3132 wrote to memory of 3848 3132 Process not Found 103 PID 3132 wrote to memory of 3848 3132 Process not Found 103 PID 3132 wrote to memory of 1328 3132 Process not Found 104 PID 3132 wrote to memory of 1328 3132 Process not Found 104 PID 3132 wrote to memory of 1328 3132 Process not Found 104 PID 3132 wrote to memory of 4572 3132 Process not Found 105 PID 3132 wrote to memory of 4572 3132 Process not Found 105 PID 3132 wrote to memory of 4572 3132 Process not Found 105 PID 3132 wrote to memory of 4572 3132 Process not Found 105 PID 3132 wrote to memory of 2208 3132 Process not Found 106 PID 3132 wrote to memory of 2208 3132 Process not Found 106 PID 3132 wrote to memory of 2208 3132 Process not Found 106 PID 3132 wrote to memory of 2208 3132 Process not Found 106 PID 3132 wrote to memory of 1084 3132 Process not Found 107 PID 3132 wrote to memory of 1084 3132 Process not Found 107 PID 3132 wrote to memory of 1084 3132 Process not Found 107 PID 3132 wrote to memory of 1084 3132 Process not Found 107 PID 3132 wrote to memory of 1944 3132 Process not Found 108 PID 3132 wrote to memory of 1944 3132 Process not Found 108 PID 3132 wrote to memory of 1944 3132 Process not Found 108 PID 3132 wrote to memory of 4740 3132 Process not Found 109 PID 3132 wrote to memory of 4740 3132 Process not Found 109 PID 3132 wrote to memory of 4740 3132 Process not Found 109 PID 3132 wrote to memory of 4740 3132 Process not Found 109 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
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outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 explorer.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 explorer.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b76b84ca83697613fb8d2a8bc116961c8aadab57ca385f8a3032d9399aeff01f.exe"C:\Users\Admin\AppData\Local\Temp\b76b84ca83697613fb8d2a8bc116961c8aadab57ca385f8a3032d9399aeff01f.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4888
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
- Accesses Microsoft Outlook profiles
- outlook_office_path
- outlook_win_path
PID:3328
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵PID:4688
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:4872
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:2840
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:996
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵PID:852
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 852 -s 7122⤵
- Program crash
PID:1416
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:2220
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -pss -s 456 -p 852 -ip 8521⤵PID:1192
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵PID:1124
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:3848
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵PID:1328
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:4572
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:2208
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:1084
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵PID:1944
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:4740