Analysis
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max time kernel
150s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
11-04-2023 12:21
Static task
static1
Behavioral task
behavioral1
Sample
c452ca86033a0e3b08a790ce12e66d74.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
c452ca86033a0e3b08a790ce12e66d74.exe
Resource
win10v2004-20230220-en
General
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Target
c452ca86033a0e3b08a790ce12e66d74.exe
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Size
193KB
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MD5
c452ca86033a0e3b08a790ce12e66d74
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SHA1
a237fcb0d4825fe3d2496507627aea7035472547
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SHA256
d0a86383e80d1c157e784f3162c9f9e1f73e18fbc65ac84785112126eceac46b
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SHA512
0d992b53a4356cbc0a5dac5cdb282647d513b89daaa9a928fd80ba3242a4d5df7fef1f86f7ee06a8ef2e0a89a0d7a0160df42a512de0aff9fb091b9554246b01
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SSDEEP
3072:iZa19U41FW32FEzT9vzQxEr9MFGg29Q485pqFIq:8OjzW3e0T9bQOr9MD4D
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 6467.exe Key value queried \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation 44919037786285521336.exe -
Executes dropped EXE 4 IoCs
pid Process 3168 6467.exe 4928 44919037786285521336.exe 3484 25758632658193063513.exe 5100 svcservice.exe -
Loads dropped DLL 2 IoCs
pid Process 3168 6467.exe 3168 6467.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/0x0006000000023147-284.dat upx behavioral2/files/0x0006000000023147-287.dat upx behavioral2/files/0x0006000000023147-288.dat upx behavioral2/memory/3484-290-0x0000000000310000-0x0000000001173000-memory.dmp upx behavioral2/memory/3484-291-0x0000000000310000-0x0000000001173000-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" 44919037786285521336.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 4928 44919037786285521336.exe 4928 44919037786285521336.exe 5100 svcservice.exe 5100 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 4204 3168 WerFault.exe 91 -
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 c452ca86033a0e3b08a790ce12e66d74.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI c452ca86033a0e3b08a790ce12e66d74.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI c452ca86033a0e3b08a790ce12e66d74.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 6467.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 6467.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 2816 timeout.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5092 c452ca86033a0e3b08a790ce12e66d74.exe 5092 c452ca86033a0e3b08a790ce12e66d74.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 5092 c452ca86033a0e3b08a790ce12e66d74.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 3168 3160 Process not Found 91 PID 3160 wrote to memory of 3168 3160 Process not Found 91 PID 3160 wrote to memory of 3168 3160 Process not Found 91 PID 3160 wrote to memory of 1152 3160 Process not Found 92 PID 3160 wrote to memory of 1152 3160 Process not Found 92 PID 3160 wrote to memory of 1152 3160 Process not Found 92 PID 3160 wrote to memory of 1152 3160 Process not Found 92 PID 3160 wrote to memory of 992 3160 Process not Found 93 PID 3160 wrote to memory of 992 3160 Process not Found 93 PID 3160 wrote to memory of 992 3160 Process not Found 93 PID 3160 wrote to memory of 4772 3160 Process not Found 94 PID 3160 wrote to memory of 4772 3160 Process not Found 94 PID 3160 wrote to memory of 4772 3160 Process not Found 94 PID 3160 wrote to memory of 4772 3160 Process not Found 94 PID 3160 wrote to memory of 3672 3160 Process not Found 95 PID 3160 wrote to memory of 3672 3160 Process not Found 95 PID 3160 wrote to memory of 3672 3160 Process not Found 95 PID 3160 wrote to memory of 2376 3160 Process not Found 96 PID 3160 wrote to memory of 2376 3160 Process not Found 96 PID 3160 wrote to memory of 2376 3160 Process not Found 96 PID 3160 wrote to memory of 2376 3160 Process not Found 96 PID 3160 wrote to memory of 2272 3160 Process not Found 97 PID 3160 wrote to memory of 2272 3160 Process not Found 97 PID 3160 wrote to memory of 2272 3160 Process not Found 97 PID 3160 wrote to memory of 2272 3160 Process not Found 97 PID 3160 wrote to memory of 1400 3160 Process not Found 98 PID 3160 wrote to memory of 1400 3160 Process not Found 98 PID 3160 wrote to memory of 1400 3160 Process not Found 98 PID 3160 wrote to memory of 1400 3160 Process not Found 98 PID 3160 wrote to memory of 4160 3160 Process not Found 99 PID 3160 wrote to memory of 4160 3160 Process not Found 99 PID 3160 wrote to memory of 4160 3160 Process not Found 99 PID 3160 wrote to memory of 5088 3160 Process not Found 100 PID 3160 wrote to memory of 5088 3160 Process not Found 100 PID 3160 wrote to memory of 5088 3160 Process not Found 100 PID 3160 wrote to memory of 5088 3160 Process not Found 100 PID 3168 wrote to memory of 4928 3168 6467.exe 101 PID 3168 wrote to memory of 4928 3168 6467.exe 101 PID 3168 wrote to memory of 4928 3168 6467.exe 101 PID 3168 wrote to memory of 3484 3168 6467.exe 103 PID 3168 wrote to memory of 3484 3168 6467.exe 103 PID 3484 wrote to memory of 1352 3484 25758632658193063513.exe 104 PID 3484 wrote to memory of 1352 3484 25758632658193063513.exe 104 PID 1352 wrote to memory of 1336 1352 cmd.exe 106 PID 1352 wrote to memory of 1336 1352 cmd.exe 106 PID 3168 wrote to memory of 4120 3168 6467.exe 107 PID 3168 wrote to memory of 4120 3168 6467.exe 107 PID 3168 wrote to memory of 4120 3168 6467.exe 107 PID 4120 wrote to memory of 2816 4120 cmd.exe 111 PID 4120 wrote to memory of 2816 4120 cmd.exe 111 PID 4120 wrote to memory of 2816 4120 cmd.exe 111 PID 4928 wrote to memory of 5100 4928 44919037786285521336.exe 113 PID 4928 wrote to memory of 5100 4928 44919037786285521336.exe 113 PID 4928 wrote to memory of 5100 4928 44919037786285521336.exe 113 -
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\c452ca86033a0e3b08a790ce12e66d74.exe"C:\Users\Admin\AppData\Local\Temp\c452ca86033a0e3b08a790ce12e66d74.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:5092
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C:\Users\Admin\AppData\Local\Temp\6467.exeC:\Users\Admin\AppData\Local\Temp\6467.exe1⤵
- Checks computer location settings
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:3168 -
C:\ProgramData\44919037786285521336.exe"C:\ProgramData\44919037786285521336.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:4928 -
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:5100
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C:\ProgramData\25758632658193063513.exe"C:\ProgramData\25758632658193063513.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3484 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\25758632658193063513.exe3⤵
- Suspicious use of WriteProcessMemory
PID:1352 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 04⤵PID:1336
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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\6467.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:4120 -
C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
PID:2816
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3168 -s 20362⤵
- Program crash
PID:4204
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:1152
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵PID:992
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:4772
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵PID:3672
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:2376
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:2272
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:1400
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵PID:4160
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:5088
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3168 -ip 31681⤵PID:2236
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
308KB
MD58cecba2fd655a1392e7d5170c78bc4b1
SHA1a17761045e791e2d32aab90613a530f32c3cfd55
SHA2565ebf7acf9b61ece7c232ebbc13bf71e4078f38faf4477427851ceb6ef23f0ada
SHA5125dd815dc9196f6af11a48a38c3ce9e58bbc62ecdbac26284942977e4db5dee21870240895b0f3b3bdf851b7001565ea046f9e04102bbd231b50bf0b72e871248
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Filesize
308KB
MD58cecba2fd655a1392e7d5170c78bc4b1
SHA1a17761045e791e2d32aab90613a530f32c3cfd55
SHA2565ebf7acf9b61ece7c232ebbc13bf71e4078f38faf4477427851ceb6ef23f0ada
SHA5125dd815dc9196f6af11a48a38c3ce9e58bbc62ecdbac26284942977e4db5dee21870240895b0f3b3bdf851b7001565ea046f9e04102bbd231b50bf0b72e871248
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Filesize
476.2MB
MD5fc7dda2ce5ad67436f7088b29fb1d463
SHA1a17c1644b36cfd3fbe9d438df6ca00aa619a77e4
SHA2566c7b1d711a81eece6cc7fbced3deea874f1d8f0f1ba81ec6115b6bb9ab5c78c0
SHA512b2a0fb2a6bd536aea0ab525d56c814f8a5e0999399655601b83c3aff4c240d5c31786e68af17c42450208c7c32c08956320f84beedbc484f43362c547ccb635a
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Filesize
477.6MB
MD5006b4d3004c0ac45d2d6db81a4000d26
SHA18c3d9d7f96edb2484fa532ec50c5499a1bfbd526
SHA256505e46d4c308a0f1b5ab53b28c677c784bb9d357aa49cf9d53d5f93e3e6a925c
SHA5124514837d30338fa2f70994ed635f19d1c03ab534287ae4f85b73ccc19eba35e513d679eb8550e9bda5d6fad9eea36f9799bbe6f7d1b8c8ab1b042369ede32ff8