Analysis
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max time kernel
149s -
max time network
184s -
platform
windows7_x64 -
resource
win7-en-20210920 -
submitted
23-10-2021 22:46
Static task
static1
Behavioral task
behavioral1
Sample
42c7e0e48a3d7c575057835b5a0a1914.exe
Resource
win7-en-20210920
General
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Target
42c7e0e48a3d7c575057835b5a0a1914.exe
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Size
259KB
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MD5
42c7e0e48a3d7c575057835b5a0a1914
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SHA1
c6c74becdcb1cac408df8a1095e92f099f3670a9
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SHA256
e3ed1dda5777f5cd585829d39bdcc898a2596dc5395ca7228b82226d183cf39c
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SHA512
fe63edd5811aa382de164a931310b77a38ed21b4a1ed6810a5e83cd5e8ca1f24e7d31f20c95d7855a61c30fe5db3483ad677d634e25632aa7b5db559af6b5c38
Malware Config
Extracted
smokeloader
2020
http://gejajoo7.top/
http://sysaheu9.top/
http://xacokuo8.top/
http://hajezey1.top/
Signatures
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RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine Payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/1788-77-0x0000000000400000-0x0000000000420000-memory.dmp family_redline -
SmokeLoader
Modular backdoor trojan in use since 2014.
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
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Downloads MZ/PE file
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Executes dropped EXE 5 IoCs
Processes:
F048.exeF048.exeB48.exeB48.exe1F55.exepid process 288 F048.exe 828 F048.exe 1808 B48.exe 1788 B48.exe 860 1F55.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
1F55.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 1F55.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 1F55.exe -
Deletes itself 1 IoCs
Processes:
pid process 1288 -
Loads dropped DLL 2 IoCs
Processes:
F048.exeB48.exepid process 288 F048.exe 1808 B48.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\1F55.exe themida behavioral1/memory/860-85-0x0000000000F30000-0x0000000000F31000-memory.dmp themida -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Processes:
1F55.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 1F55.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
1F55.exepid process 860 1F55.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
42c7e0e48a3d7c575057835b5a0a1914.exeF048.exeB48.exedescription pid process target process PID 1668 set thread context of 472 1668 42c7e0e48a3d7c575057835b5a0a1914.exe 42c7e0e48a3d7c575057835b5a0a1914.exe PID 288 set thread context of 828 288 F048.exe F048.exe PID 1808 set thread context of 1788 1808 B48.exe B48.exe -
Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
42c7e0e48a3d7c575057835b5a0a1914.exeF048.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 42c7e0e48a3d7c575057835b5a0a1914.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 42c7e0e48a3d7c575057835b5a0a1914.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 42c7e0e48a3d7c575057835b5a0a1914.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI F048.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI F048.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI F048.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
42c7e0e48a3d7c575057835b5a0a1914.exepid process 472 42c7e0e48a3d7c575057835b5a0a1914.exe 472 42c7e0e48a3d7c575057835b5a0a1914.exe 1288 1288 1288 1288 1288 1288 1288 1288 1288 1288 1288 1288 1288 1288 1288 1288 1288 1288 1288 1288 1288 1288 1288 1288 1288 1288 1288 1288 1288 1288 1288 1288 1288 1288 1288 1288 1288 1288 1288 1288 1288 1288 1288 1288 1288 1288 1288 1288 1288 1288 1288 1288 1288 1288 1288 1288 1288 1288 1288 1288 1288 1288 -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
pid process 1288 -
Suspicious behavior: MapViewOfSection 2 IoCs
Processes:
42c7e0e48a3d7c575057835b5a0a1914.exeF048.exepid process 472 42c7e0e48a3d7c575057835b5a0a1914.exe 828 F048.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
1F55.exedescription pid process Token: SeShutdownPrivilege 1288 Token: SeShutdownPrivilege 1288 Token: SeShutdownPrivilege 1288 Token: SeDebugPrivilege 860 1F55.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
pid process 1288 1288 -
Suspicious use of SendNotifyMessage 2 IoCs
Processes:
pid process 1288 1288 -
Suspicious use of WriteProcessMemory 35 IoCs
Processes:
42c7e0e48a3d7c575057835b5a0a1914.exeF048.exeB48.exedescription pid process target process PID 1668 wrote to memory of 472 1668 42c7e0e48a3d7c575057835b5a0a1914.exe 42c7e0e48a3d7c575057835b5a0a1914.exe PID 1668 wrote to memory of 472 1668 42c7e0e48a3d7c575057835b5a0a1914.exe 42c7e0e48a3d7c575057835b5a0a1914.exe PID 1668 wrote to memory of 472 1668 42c7e0e48a3d7c575057835b5a0a1914.exe 42c7e0e48a3d7c575057835b5a0a1914.exe PID 1668 wrote to memory of 472 1668 42c7e0e48a3d7c575057835b5a0a1914.exe 42c7e0e48a3d7c575057835b5a0a1914.exe PID 1668 wrote to memory of 472 1668 42c7e0e48a3d7c575057835b5a0a1914.exe 42c7e0e48a3d7c575057835b5a0a1914.exe PID 1668 wrote to memory of 472 1668 42c7e0e48a3d7c575057835b5a0a1914.exe 42c7e0e48a3d7c575057835b5a0a1914.exe PID 1668 wrote to memory of 472 1668 42c7e0e48a3d7c575057835b5a0a1914.exe 42c7e0e48a3d7c575057835b5a0a1914.exe PID 1288 wrote to memory of 288 1288 F048.exe PID 1288 wrote to memory of 288 1288 F048.exe PID 1288 wrote to memory of 288 1288 F048.exe PID 1288 wrote to memory of 288 1288 F048.exe PID 288 wrote to memory of 828 288 F048.exe F048.exe PID 288 wrote to memory of 828 288 F048.exe F048.exe PID 288 wrote to memory of 828 288 F048.exe F048.exe PID 288 wrote to memory of 828 288 F048.exe F048.exe PID 288 wrote to memory of 828 288 F048.exe F048.exe PID 288 wrote to memory of 828 288 F048.exe F048.exe PID 288 wrote to memory of 828 288 F048.exe F048.exe PID 1288 wrote to memory of 1808 1288 B48.exe PID 1288 wrote to memory of 1808 1288 B48.exe PID 1288 wrote to memory of 1808 1288 B48.exe PID 1288 wrote to memory of 1808 1288 B48.exe PID 1808 wrote to memory of 1788 1808 B48.exe B48.exe PID 1808 wrote to memory of 1788 1808 B48.exe B48.exe PID 1808 wrote to memory of 1788 1808 B48.exe B48.exe PID 1808 wrote to memory of 1788 1808 B48.exe B48.exe PID 1808 wrote to memory of 1788 1808 B48.exe B48.exe PID 1808 wrote to memory of 1788 1808 B48.exe B48.exe PID 1808 wrote to memory of 1788 1808 B48.exe B48.exe PID 1808 wrote to memory of 1788 1808 B48.exe B48.exe PID 1808 wrote to memory of 1788 1808 B48.exe B48.exe PID 1288 wrote to memory of 860 1288 1F55.exe PID 1288 wrote to memory of 860 1288 1F55.exe PID 1288 wrote to memory of 860 1288 1F55.exe PID 1288 wrote to memory of 860 1288 1F55.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\42c7e0e48a3d7c575057835b5a0a1914.exe"C:\Users\Admin\AppData\Local\Temp\42c7e0e48a3d7c575057835b5a0a1914.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\42c7e0e48a3d7c575057835b5a0a1914.exe"C:\Users\Admin\AppData\Local\Temp\42c7e0e48a3d7c575057835b5a0a1914.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Local\Temp\F048.exeC:\Users\Admin\AppData\Local\Temp\F048.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\F048.exeC:\Users\Admin\AppData\Local\Temp\F048.exe2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Local\Temp\B48.exeC:\Users\Admin\AppData\Local\Temp\B48.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\B48.exeC:\Users\Admin\AppData\Local\Temp\B48.exe2⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\1F55.exeC:\Users\Admin\AppData\Local\Temp\1F55.exe1⤵
- Executes dropped EXE
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\1F55.exeMD5
d0c332dd942a7b680063c4eca607f2c4
SHA1d57b7c95c258c968e7e2f5cd39bf52928cd587fd
SHA256756f3dc3ceb0db783e3f1cabd10ee6a3af4688147adde714cdea6f226e5f0024
SHA51270abbdaedfbc7ff4fb06ccd619ad812cb2731e7448d5055a414a609d048fc95067594e2ee74f35284d671b8d618d1914232e20d5cc7d862726a3138c4ec61019
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C:\Users\Admin\AppData\Local\Temp\B48.exeMD5
a9cf6b07b6ee36d4986bd67429634417
SHA15343ed7b750d6f4b4710380bbd14301936db982e
SHA25656ea2e765364d6f517e434e8238c96fb0fffef20c8714cf55d41ab98163e66e5
SHA5124e6a3cbfb3b80abc8f5e23c7142097a180154eec2fa0737378930bba26a14f7601bb8d2d748b2a188cc674656fdfff90d0d5843e23e8c3db8541f5a061fd8af7
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C:\Users\Admin\AppData\Local\Temp\B48.exeMD5
a9cf6b07b6ee36d4986bd67429634417
SHA15343ed7b750d6f4b4710380bbd14301936db982e
SHA25656ea2e765364d6f517e434e8238c96fb0fffef20c8714cf55d41ab98163e66e5
SHA5124e6a3cbfb3b80abc8f5e23c7142097a180154eec2fa0737378930bba26a14f7601bb8d2d748b2a188cc674656fdfff90d0d5843e23e8c3db8541f5a061fd8af7
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C:\Users\Admin\AppData\Local\Temp\B48.exeMD5
a9cf6b07b6ee36d4986bd67429634417
SHA15343ed7b750d6f4b4710380bbd14301936db982e
SHA25656ea2e765364d6f517e434e8238c96fb0fffef20c8714cf55d41ab98163e66e5
SHA5124e6a3cbfb3b80abc8f5e23c7142097a180154eec2fa0737378930bba26a14f7601bb8d2d748b2a188cc674656fdfff90d0d5843e23e8c3db8541f5a061fd8af7
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C:\Users\Admin\AppData\Local\Temp\F048.exeMD5
b6dc549656f522e63e046a7ead7121d3
SHA1ebbba4d47d84e4aec6cdd1241d16e9f42dd67e19
SHA25620803aeae55afe8a5d75a5085135d5d692f8c52c9a5e6a22a2605f58029e2f98
SHA512ffe496002c36096457b1e0174860f978215f2e0fe03bbb40df9bdeb2b855144744a0d0dd4372e0157ed90633d991061acbe6e0cc90c4cb5758c60368a6e45549
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C:\Users\Admin\AppData\Local\Temp\F048.exeMD5
b6dc549656f522e63e046a7ead7121d3
SHA1ebbba4d47d84e4aec6cdd1241d16e9f42dd67e19
SHA25620803aeae55afe8a5d75a5085135d5d692f8c52c9a5e6a22a2605f58029e2f98
SHA512ffe496002c36096457b1e0174860f978215f2e0fe03bbb40df9bdeb2b855144744a0d0dd4372e0157ed90633d991061acbe6e0cc90c4cb5758c60368a6e45549
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C:\Users\Admin\AppData\Local\Temp\F048.exeMD5
b6dc549656f522e63e046a7ead7121d3
SHA1ebbba4d47d84e4aec6cdd1241d16e9f42dd67e19
SHA25620803aeae55afe8a5d75a5085135d5d692f8c52c9a5e6a22a2605f58029e2f98
SHA512ffe496002c36096457b1e0174860f978215f2e0fe03bbb40df9bdeb2b855144744a0d0dd4372e0157ed90633d991061acbe6e0cc90c4cb5758c60368a6e45549
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\Users\Admin\AppData\Local\Temp\B48.exeMD5
a9cf6b07b6ee36d4986bd67429634417
SHA15343ed7b750d6f4b4710380bbd14301936db982e
SHA25656ea2e765364d6f517e434e8238c96fb0fffef20c8714cf55d41ab98163e66e5
SHA5124e6a3cbfb3b80abc8f5e23c7142097a180154eec2fa0737378930bba26a14f7601bb8d2d748b2a188cc674656fdfff90d0d5843e23e8c3db8541f5a061fd8af7
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\Users\Admin\AppData\Local\Temp\F048.exeMD5
b6dc549656f522e63e046a7ead7121d3
SHA1ebbba4d47d84e4aec6cdd1241d16e9f42dd67e19
SHA25620803aeae55afe8a5d75a5085135d5d692f8c52c9a5e6a22a2605f58029e2f98
SHA512ffe496002c36096457b1e0174860f978215f2e0fe03bbb40df9bdeb2b855144744a0d0dd4372e0157ed90633d991061acbe6e0cc90c4cb5758c60368a6e45549
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memory/288-69-0x0000000000020000-0x0000000000029000-memory.dmpFilesize
36KB
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memory/288-60-0x0000000000000000-mapping.dmp
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memory/288-62-0x0000000000A68000-0x0000000000A79000-memory.dmpFilesize
68KB
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memory/472-55-0x0000000000400000-0x0000000000409000-memory.dmpFilesize
36KB
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memory/472-56-0x0000000000402EE8-mapping.dmp
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memory/472-57-0x00000000767F1000-0x00000000767F3000-memory.dmpFilesize
8KB
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memory/828-66-0x0000000000402E0C-mapping.dmp
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memory/828-65-0x0000000000400000-0x0000000000409000-memory.dmpFilesize
36KB
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memory/860-87-0x0000000005570000-0x0000000005571000-memory.dmpFilesize
4KB
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memory/860-85-0x0000000000F30000-0x0000000000F31000-memory.dmpFilesize
4KB
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memory/860-80-0x0000000000000000-mapping.dmp
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memory/1288-70-0x0000000002C40000-0x0000000002C56000-memory.dmpFilesize
88KB
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memory/1288-59-0x0000000002A80000-0x0000000002A96000-memory.dmpFilesize
88KB
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memory/1668-54-0x00000000002AD000-0x00000000002B6000-memory.dmpFilesize
36KB
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memory/1668-58-0x00000000001B0000-0x00000000001B9000-memory.dmpFilesize
36KB
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memory/1788-78-0x0000000000418D06-mapping.dmp
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memory/1788-77-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/1808-74-0x00000000003F0000-0x00000000003F1000-memory.dmpFilesize
4KB
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memory/1808-71-0x0000000000000000-mapping.dmp