Analysis
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max time kernel
136s -
max time network
130s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
13-04-2023 00:30
Static task
static1
Behavioral task
behavioral1
Sample
setup.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
setup.exe
Resource
win10v2004-20230220-en
General
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Target
setup.exe
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Size
352KB
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MD5
a5bc9a0f07e31f7c563fc2db23f51a6a
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SHA1
f9ad82a9e4191d6e2340a12192ec9b37244f08c4
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SHA256
a9c2b561ccdf817f81c6cae84be675825d91fd888174633d8c61d2fd708493c8
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SHA512
76fefcf088b155fc79c2501b4d37824a3ae952bdea25aa32c3a74cb22ee6ff0d07294609e0e0bc090e7f84935423d91c686d37bbf0126454497f1820e113c21e
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SSDEEP
3072:721Ykgd6LsejNzVEHpHTfik8KBGcwx0o7mDagiRXSG6k9o9vLUAyD+rnEyA6wGOi:6GvejQJz6k8UNAixoZo94NDY5ABCV+E
Malware Config
Extracted
smokeloader
sprg
Extracted
smokeloader
2022
http://hoh0aeghwugh2gie.com/
http://hie7doodohpae4na.com/
http://aek0aicifaloh1yo.com/
http://yic0oosaeiy7ahng.com/
http://wa5zu7sekai8xeih.com/
Extracted
vidar
3.4
e749025c61b2caca10aa829a9e1a65a1
https://steamcommunity.com/profiles/76561199494593681
https://t.me/auftriebs
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profile_id_v2
e749025c61b2caca10aa829a9e1a65a1
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user_agent
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:105.0) Gecko/20100101 Firefox/105.0
Extracted
laplas
http://185.106.92.74
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api_key
bc2dceabe69fa26dbf4dd8295d65e03e1990633a88c1c8410825c9266b239396
Signatures
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SmokeLoader
Modular backdoor trojan in use since 2014.
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Downloads MZ/PE file
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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Control Panel\International\Geo\Nation ED43.exe Key value queried \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Control Panel\International\Geo\Nation 68763569217438679040.exe -
Executes dropped EXE 4 IoCs
pid Process 3260 ED43.exe 3532 64959137204529053722.exe 4852 68763569217438679040.exe 2472 svcservice.exe -
Loads dropped DLL 2 IoCs
pid Process 3260 ED43.exe 3260 ED43.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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resource yara_rule behavioral2/files/0x000600000002317a-242.dat upx behavioral2/files/0x000600000002317a-244.dat upx behavioral2/files/0x000600000002317a-245.dat upx behavioral2/memory/3532-246-0x0000000000D40000-0x0000000001BA3000-memory.dmp upx behavioral2/memory/3532-247-0x0000000000D40000-0x0000000001BA3000-memory.dmp upx -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\telemetry = "C:\\Users\\Admin\\AppData\\Roaming\\telemetry\\svcservice.exe" 68763569217438679040.exe -
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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Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
pid Process 4852 68763569217438679040.exe 4852 68763569217438679040.exe 2472 svcservice.exe 2472 svcservice.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 1 IoCs
pid pid_target Process procid_target 432 3260 WerFault.exe 89 -
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 setup.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI setup.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI setup.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString ED43.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 ED43.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 4848 timeout.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4128 setup.exe 4128 setup.exe 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3100 Process not Found -
Suspicious behavior: MapViewOfSection 13 IoCs
pid Process 4128 setup.exe 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found 3100 Process not Found -
Suspicious use of AdjustPrivilegeToken 8 IoCs
description pid Process Token: SeShutdownPrivilege 3100 Process not Found Token: SeCreatePagefilePrivilege 3100 Process not Found Token: SeShutdownPrivilege 3100 Process not Found Token: SeCreatePagefilePrivilege 3100 Process not Found Token: SeShutdownPrivilege 3100 Process not Found Token: SeCreatePagefilePrivilege 3100 Process not Found Token: SeShutdownPrivilege 3100 Process not Found Token: SeCreatePagefilePrivilege 3100 Process not Found -
Suspicious use of WriteProcessMemory 43 IoCs
description pid Process procid_target PID 3100 wrote to memory of 3260 3100 Process not Found 89 PID 3100 wrote to memory of 3260 3100 Process not Found 89 PID 3100 wrote to memory of 3260 3100 Process not Found 89 PID 3260 wrote to memory of 3532 3260 ED43.exe 91 PID 3260 wrote to memory of 3532 3260 ED43.exe 91 PID 3532 wrote to memory of 776 3532 64959137204529053722.exe 93 PID 3532 wrote to memory of 776 3532 64959137204529053722.exe 93 PID 776 wrote to memory of 1612 776 cmd.exe 95 PID 776 wrote to memory of 1612 776 cmd.exe 95 PID 3260 wrote to memory of 4852 3260 ED43.exe 96 PID 3260 wrote to memory of 4852 3260 ED43.exe 96 PID 3260 wrote to memory of 4852 3260 ED43.exe 96 PID 3260 wrote to memory of 3828 3260 ED43.exe 97 PID 3260 wrote to memory of 3828 3260 ED43.exe 97 PID 3260 wrote to memory of 3828 3260 ED43.exe 97 PID 3828 wrote to memory of 4848 3828 cmd.exe 100 PID 3828 wrote to memory of 4848 3828 cmd.exe 100 PID 3828 wrote to memory of 4848 3828 cmd.exe 100 PID 4852 wrote to memory of 2472 4852 68763569217438679040.exe 102 PID 4852 wrote to memory of 2472 4852 68763569217438679040.exe 102 PID 4852 wrote to memory of 2472 4852 68763569217438679040.exe 102 PID 3100 wrote to memory of 4184 3100 Process not Found 103 PID 3100 wrote to memory of 4184 3100 Process not Found 103 PID 3100 wrote to memory of 4184 3100 Process not Found 103 PID 3100 wrote to memory of 4184 3100 Process not Found 103 PID 3100 wrote to memory of 2136 3100 Process not Found 104 PID 3100 wrote to memory of 2136 3100 Process not Found 104 PID 3100 wrote to memory of 2136 3100 Process not Found 104 PID 3100 wrote to memory of 1212 3100 Process not Found 105 PID 3100 wrote to memory of 1212 3100 Process not Found 105 PID 3100 wrote to memory of 1212 3100 Process not Found 105 PID 3100 wrote to memory of 1212 3100 Process not Found 105 PID 3100 wrote to memory of 2996 3100 Process not Found 106 PID 3100 wrote to memory of 2996 3100 Process not Found 106 PID 3100 wrote to memory of 2996 3100 Process not Found 106 PID 3100 wrote to memory of 3340 3100 Process not Found 107 PID 3100 wrote to memory of 3340 3100 Process not Found 107 PID 3100 wrote to memory of 3340 3100 Process not Found 107 PID 3100 wrote to memory of 3340 3100 Process not Found 107 PID 3100 wrote to memory of 4600 3100 Process not Found 108 PID 3100 wrote to memory of 4600 3100 Process not Found 108 PID 3100 wrote to memory of 4600 3100 Process not Found 108 PID 3100 wrote to memory of 4600 3100 Process not Found 108 -
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.
Processes
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C:\Users\Admin\AppData\Local\Temp\setup.exe"C:\Users\Admin\AppData\Local\Temp\setup.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4128
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C:\Users\Admin\AppData\Local\Temp\ED43.exeC:\Users\Admin\AppData\Local\Temp\ED43.exe1⤵
- Checks computer location settings
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:3260 -
C:\ProgramData\64959137204529053722.exe"C:\ProgramData\64959137204529053722.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3532 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\64959137204529053722.exe3⤵
- Suspicious use of WriteProcessMemory
PID:776 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 04⤵PID:1612
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C:\ProgramData\68763569217438679040.exe"C:\ProgramData\68763569217438679040.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:4852 -
C:\Users\Admin\AppData\Roaming\telemetry\svcservice.exe"C:\Users\Admin\AppData\Roaming\telemetry\svcservice.exe"3⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:2472
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\ED43.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:3828 -
C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
PID:4848
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3260 -s 21642⤵
- Program crash
PID:432
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3260 -ip 32601⤵PID:4924
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:4184
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵PID:2136
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:1212
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵PID:2996
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:3340
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:4600
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:2664
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵PID:4828
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:4512
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
4.3MB
MD5c4ab3149ef02a36d663699a8c541933e
SHA167088f5eff9ec575775b711c9e3650d12d7f4d5c
SHA2560a0fbd6af9e5d110118f02b87f9a92f9f58fb100f6d9883d55a6aae6c548b4ce
SHA51288b10f81b2cd273fefeffb4c2078807e89b4b756d50110b61e9f89092715f29ba8d1803f64bc971c1293dc624b92d0b7f05612ae661dd8d24e47d39047a4b7b4
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Filesize
4.3MB
MD5c4ab3149ef02a36d663699a8c541933e
SHA167088f5eff9ec575775b711c9e3650d12d7f4d5c
SHA2560a0fbd6af9e5d110118f02b87f9a92f9f58fb100f6d9883d55a6aae6c548b4ce
SHA51288b10f81b2cd273fefeffb4c2078807e89b4b756d50110b61e9f89092715f29ba8d1803f64bc971c1293dc624b92d0b7f05612ae661dd8d24e47d39047a4b7b4
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Filesize
4.3MB
MD5c4ab3149ef02a36d663699a8c541933e
SHA167088f5eff9ec575775b711c9e3650d12d7f4d5c
SHA2560a0fbd6af9e5d110118f02b87f9a92f9f58fb100f6d9883d55a6aae6c548b4ce
SHA51288b10f81b2cd273fefeffb4c2078807e89b4b756d50110b61e9f89092715f29ba8d1803f64bc971c1293dc624b92d0b7f05612ae661dd8d24e47d39047a4b7b4
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Filesize
7.2MB
MD5c5e0fb4ecaa8a7481a283099d604f7a0
SHA1df4b0c0cc823da2b0443076650c292b43dd9de33
SHA256c6c03e97c5de0c9eb264e4914d8c7f64d7e3528cc696f613e451a294262f3c42
SHA512375677d0cc802b09c7d1532d162a91a8eec4679f7639ef38dca9a9d3a03e20b3ab54707af7ffb138d00ec93ea4b34b6db0b33f365dc888ff9056c808a239bc57
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Filesize
7.2MB
MD5c5e0fb4ecaa8a7481a283099d604f7a0
SHA1df4b0c0cc823da2b0443076650c292b43dd9de33
SHA256c6c03e97c5de0c9eb264e4914d8c7f64d7e3528cc696f613e451a294262f3c42
SHA512375677d0cc802b09c7d1532d162a91a8eec4679f7639ef38dca9a9d3a03e20b3ab54707af7ffb138d00ec93ea4b34b6db0b33f365dc888ff9056c808a239bc57
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Filesize
7.2MB
MD5c5e0fb4ecaa8a7481a283099d604f7a0
SHA1df4b0c0cc823da2b0443076650c292b43dd9de33
SHA256c6c03e97c5de0c9eb264e4914d8c7f64d7e3528cc696f613e451a294262f3c42
SHA512375677d0cc802b09c7d1532d162a91a8eec4679f7639ef38dca9a9d3a03e20b3ab54707af7ffb138d00ec93ea4b34b6db0b33f365dc888ff9056c808a239bc57
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
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Filesize
473KB
MD5abfaa59741206836655e4678ab1c23e7
SHA101ed9cadafea22aa62f8f8389e9d4574a403be6c
SHA2561aabaf257833b939257609dea10af40fb814682dd8de52918145f3bc40441625
SHA512a46cc22f18b7491a72152162b3323421ddad898d6264dd9e91a31664d9b51ae967b8c5dd4cd190bc02d4f718f2fc1a52c2753fb23fb088f3c0c7f6669cedaf9d
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Filesize
473KB
MD5abfaa59741206836655e4678ab1c23e7
SHA101ed9cadafea22aa62f8f8389e9d4574a403be6c
SHA2561aabaf257833b939257609dea10af40fb814682dd8de52918145f3bc40441625
SHA512a46cc22f18b7491a72152162b3323421ddad898d6264dd9e91a31664d9b51ae967b8c5dd4cd190bc02d4f718f2fc1a52c2753fb23fb088f3c0c7f6669cedaf9d
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Filesize
592.3MB
MD5d1dff330c0f9f7f20492e602f449e0c1
SHA1b749a2e3c63480cab1b40a53a263586197dbe3d1
SHA256adcdccb400c28d6ff1717ce864d60486f72ab3e73311a7fd74b00546b069f2f9
SHA512d16851283da9cdb9d51b2a05115c2938b5235c20b9e78f8f701ac5a089fd6246302fa8d069b606029130a6ede4e477f09a82d0ec9e677373182c67b9723386cf
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Filesize
589.9MB
MD5b46c148d37e7f8d83860922969d9626b
SHA132d9d718f53c2ee2642b5acdf1801e5207260664
SHA2564490f9d99f20089eb11ed70f941024e062536ce2f0ea1d9adcfd1d30e18709b9
SHA51215993b133f6c930001fb89686a093103d474c3ce23288bb660f28c934d7d33981137249bdfb175b517c297f0735d6b856ba3664ed775ee276e2a77ed7ae8c313