Analysis
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max time kernel
143s -
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
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
88dc3c8a8062d89f576363154fa3204f
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SHA1
b853c2b769c8ff70ad6bd86094a2ff5d5879997c
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SHA256
13851ea297fba43e14ad3bb5e7c85e05350c7973a5b6e3dbc4eed47c11166755
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SHA512
fd53960987ab60510ac153be71dd0028cb9826f9cdfd25b73a9b9ff9dd55715ebac94bedd398bf6e3e47c4da907ebc1d36fa562205a22b32f008e4a58fa39d31
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SSDEEP
6144:5Ulr1wiUAfZ8zJFYDKOLoU2Jg4iJnfCV+E:5UV1wivZ8zJFWaJg48CVr
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-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation 67377140905303747049.exe Key value queried \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation C23B.exe -
Executes dropped EXE 4 IoCs
pid Process 4036 C23B.exe 4056 80633323191492444487.exe 2588 67377140905303747049.exe 2992 svcservice.exe -
Loads dropped DLL 2 IoCs
pid Process 4036 C23B.exe 4036 C23B.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/0x0007000000023141-241.dat upx behavioral2/files/0x0007000000023141-243.dat upx behavioral2/files/0x0007000000023141-244.dat upx behavioral2/memory/4056-245-0x0000000000FA0000-0x0000000001E03000-memory.dmp upx behavioral2/memory/4056-246-0x0000000000FA0000-0x0000000001E03000-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-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\telemetry = "C:\\Users\\Admin\\AppData\\Roaming\\telemetry\\svcservice.exe" 67377140905303747049.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 2588 67377140905303747049.exe 2588 67377140905303747049.exe 2992 svcservice.exe 2992 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 4812 4036 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 enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI setup.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI setup.exe Key queried \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 opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C23B.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C23B.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 4828 timeout.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2256 setup.exe 2256 setup.exe 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3160 Process not Found -
Suspicious behavior: MapViewOfSection 19 IoCs
pid Process 2256 setup.exe 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found -
Suspicious use of AdjustPrivilegeToken 8 IoCs
description pid Process Token: SeShutdownPrivilege 3160 Process not Found Token: SeCreatePagefilePrivilege 3160 Process not Found Token: SeShutdownPrivilege 3160 Process not Found Token: SeCreatePagefilePrivilege 3160 Process not Found Token: SeShutdownPrivilege 3160 Process not Found Token: SeCreatePagefilePrivilege 3160 Process not Found Token: SeShutdownPrivilege 3160 Process not Found Token: SeCreatePagefilePrivilege 3160 Process not Found -
Suspicious use of WriteProcessMemory 54 IoCs
description pid Process procid_target PID 3160 wrote to memory of 4036 3160 Process not Found 89 PID 3160 wrote to memory of 4036 3160 Process not Found 89 PID 3160 wrote to memory of 4036 3160 Process not Found 89 PID 4036 wrote to memory of 4056 4036 C23B.exe 91 PID 4036 wrote to memory of 4056 4036 C23B.exe 91 PID 4056 wrote to memory of 3228 4056 80633323191492444487.exe 93 PID 4056 wrote to memory of 3228 4056 80633323191492444487.exe 93 PID 3228 wrote to memory of 2432 3228 cmd.exe 95 PID 3228 wrote to memory of 2432 3228 cmd.exe 95 PID 4036 wrote to memory of 2588 4036 C23B.exe 96 PID 4036 wrote to memory of 2588 4036 C23B.exe 96 PID 4036 wrote to memory of 2588 4036 C23B.exe 96 PID 3160 wrote to memory of 4288 3160 Process not Found 97 PID 3160 wrote to memory of 4288 3160 Process not Found 97 PID 3160 wrote to memory of 4288 3160 Process not Found 97 PID 3160 wrote to memory of 4288 3160 Process not Found 97 PID 4036 wrote to memory of 4440 4036 C23B.exe 98 PID 4036 wrote to memory of 4440 4036 C23B.exe 98 PID 4036 wrote to memory of 4440 4036 C23B.exe 98 PID 4440 wrote to memory of 4828 4440 cmd.exe 101 PID 4440 wrote to memory of 4828 4440 cmd.exe 101 PID 4440 wrote to memory of 4828 4440 cmd.exe 101 PID 3160 wrote to memory of 3588 3160 Process not Found 103 PID 3160 wrote to memory of 3588 3160 Process not Found 103 PID 3160 wrote to memory of 3588 3160 Process not Found 103 PID 3160 wrote to memory of 4248 3160 Process not Found 104 PID 3160 wrote to memory of 4248 3160 Process not Found 104 PID 3160 wrote to memory of 4248 3160 Process not Found 104 PID 3160 wrote to memory of 4248 3160 Process not Found 104 PID 3160 wrote to memory of 4016 3160 Process not Found 105 PID 3160 wrote to memory of 4016 3160 Process not Found 105 PID 3160 wrote to memory of 4016 3160 Process not Found 105 PID 3160 wrote to memory of 1692 3160 Process not Found 106 PID 3160 wrote to memory of 1692 3160 Process not Found 106 PID 3160 wrote to memory of 1692 3160 Process not Found 106 PID 3160 wrote to memory of 1692 3160 Process not Found 106 PID 3160 wrote to memory of 4892 3160 Process not Found 107 PID 3160 wrote to memory of 4892 3160 Process not Found 107 PID 3160 wrote to memory of 4892 3160 Process not Found 107 PID 3160 wrote to memory of 4892 3160 Process not Found 107 PID 3160 wrote to memory of 3692 3160 Process not Found 109 PID 3160 wrote to memory of 3692 3160 Process not Found 109 PID 3160 wrote to memory of 3692 3160 Process not Found 109 PID 3160 wrote to memory of 3692 3160 Process not Found 109 PID 3160 wrote to memory of 1564 3160 Process not Found 110 PID 3160 wrote to memory of 1564 3160 Process not Found 110 PID 3160 wrote to memory of 1564 3160 Process not Found 110 PID 3160 wrote to memory of 2668 3160 Process not Found 111 PID 3160 wrote to memory of 2668 3160 Process not Found 111 PID 3160 wrote to memory of 2668 3160 Process not Found 111 PID 3160 wrote to memory of 2668 3160 Process not Found 111 PID 2588 wrote to memory of 2992 2588 67377140905303747049.exe 108 PID 2588 wrote to memory of 2992 2588 67377140905303747049.exe 108 PID 2588 wrote to memory of 2992 2588 67377140905303747049.exe 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:2256
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C:\Users\Admin\AppData\Local\Temp\C23B.exeC:\Users\Admin\AppData\Local\Temp\C23B.exe1⤵
- Checks computer location settings
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:4036 -
C:\ProgramData\80633323191492444487.exe"C:\ProgramData\80633323191492444487.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4056 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\80633323191492444487.exe3⤵
- Suspicious use of WriteProcessMemory
PID:3228 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 04⤵PID:2432
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C:\ProgramData\67377140905303747049.exe"C:\ProgramData\67377140905303747049.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:2588 -
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:2992
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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\C23B.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:4440 -
C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
PID:4828
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4036 -s 22882⤵
- Program crash
PID:4812
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:4288
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 4036 -ip 40361⤵PID:1088
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵PID:3588
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:4248
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵PID:4016
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:1692
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:4892
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:3692
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵PID:1564
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:2668
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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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
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
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
666.6MB
MD5ed3eaefa660570ad99e3f6af9f2658e7
SHA1604aa914faefdd537b3bda62da4c808f6b76abc8
SHA2560a07e3e6ef0220c0478c72c138620b7696c32f8dac43643f39f8cf448643f357
SHA51248e4d62cb69a3823a9381ca0f0003fc261fa7954bf85ac4433665b0a2022721b137abe32c3859a51fff3a6abfda566536050fd0c81e6a345ede72dc9ead37177
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Filesize
667.4MB
MD56893a5ceb576e7bc80c85e16f5e9cc36
SHA1b743b44f8c9aaf17925e1b265c032933e0b967b8
SHA2568dd77471ceabbbf3c4fd0ba699a70d4b6db7df667401802c49894798ef1303c3
SHA512d6f3a215f6cda22a7ec6f407fe9a4dbb1f200e1d2290bda4d395fe92466d24a6b5d9e9a2fdf06cff26a8d539753ac1d4528b77207825bf0123080d2854b2c337