Analysis
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max time kernel
147s -
max time network
127s -
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 12:12
Static task
static1
Behavioral task
behavioral1
Sample
238c57b6ae0461932bf6e25f129c42e0.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
238c57b6ae0461932bf6e25f129c42e0.exe
Resource
win10v2004-20230220-en
General
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Target
238c57b6ae0461932bf6e25f129c42e0.exe
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Size
198KB
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MD5
238c57b6ae0461932bf6e25f129c42e0
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SHA1
07461940fccea90165434ae79a5f06b79f59295b
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SHA256
06162d0491e865bebbd46a8c93b2d760179cc860e1746555e1cefd872b146245
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SHA512
c5ad3c2a3ec4df7c9ed481855cdcbba925f6a2d97390897b79f4ff9ec2bed47da192732db4315f2ff80271301d019b1ca7e73d23a91a5d428b2a8b9fad4d10ec
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SSDEEP
3072:AWVcb3qNOombdxCfBWNz5ERLK6uMxMHpDWcV7R/p7fRoGX:NTIomb7SB80e6uiM4a/Po0
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 80169653563829719828.exe Key value queried \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Control Panel\International\Geo\Nation 5C0A.exe -
Executes dropped EXE 4 IoCs
pid Process 2448 5C0A.exe 4596 71659390984289565253.exe 1368 80169653563829719828.exe 3144 svcservice.exe -
Loads dropped DLL 2 IoCs
pid Process 2448 5C0A.exe 2448 5C0A.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/0x000600000002315e-268.dat upx behavioral2/files/0x000600000002315e-271.dat upx behavioral2/files/0x000600000002315e-272.dat upx behavioral2/memory/4596-275-0x0000000000B80000-0x00000000019E3000-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" 80169653563829719828.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 1368 80169653563829719828.exe 1368 80169653563829719828.exe 3144 svcservice.exe 3144 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 1776 2448 WerFault.exe 90 -
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 238c57b6ae0461932bf6e25f129c42e0.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 238c57b6ae0461932bf6e25f129c42e0.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 238c57b6ae0461932bf6e25f129c42e0.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 5C0A.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 5C0A.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 2488 timeout.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2352 238c57b6ae0461932bf6e25f129c42e0.exe 2352 238c57b6ae0461932bf6e25f129c42e0.exe 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3080 Process not Found -
Suspicious behavior: MapViewOfSection 19 IoCs
pid Process 2352 238c57b6ae0461932bf6e25f129c42e0.exe 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found -
Suspicious use of AdjustPrivilegeToken 8 IoCs
description pid Process Token: SeShutdownPrivilege 3080 Process not Found Token: SeCreatePagefilePrivilege 3080 Process not Found Token: SeShutdownPrivilege 3080 Process not Found Token: SeCreatePagefilePrivilege 3080 Process not Found Token: SeShutdownPrivilege 3080 Process not Found Token: SeCreatePagefilePrivilege 3080 Process not Found Token: SeShutdownPrivilege 3080 Process not Found Token: SeCreatePagefilePrivilege 3080 Process not Found -
Suspicious use of WriteProcessMemory 54 IoCs
description pid Process procid_target PID 3080 wrote to memory of 2448 3080 Process not Found 90 PID 3080 wrote to memory of 2448 3080 Process not Found 90 PID 3080 wrote to memory of 2448 3080 Process not Found 90 PID 3080 wrote to memory of 4360 3080 Process not Found 91 PID 3080 wrote to memory of 4360 3080 Process not Found 91 PID 3080 wrote to memory of 4360 3080 Process not Found 91 PID 3080 wrote to memory of 4360 3080 Process not Found 91 PID 3080 wrote to memory of 3108 3080 Process not Found 92 PID 3080 wrote to memory of 3108 3080 Process not Found 92 PID 3080 wrote to memory of 3108 3080 Process not Found 92 PID 3080 wrote to memory of 3412 3080 Process not Found 93 PID 3080 wrote to memory of 3412 3080 Process not Found 93 PID 3080 wrote to memory of 3412 3080 Process not Found 93 PID 3080 wrote to memory of 3412 3080 Process not Found 93 PID 3080 wrote to memory of 5104 3080 Process not Found 94 PID 3080 wrote to memory of 5104 3080 Process not Found 94 PID 3080 wrote to memory of 5104 3080 Process not Found 94 PID 3080 wrote to memory of 3532 3080 Process not Found 95 PID 3080 wrote to memory of 3532 3080 Process not Found 95 PID 3080 wrote to memory of 3532 3080 Process not Found 95 PID 3080 wrote to memory of 3532 3080 Process not Found 95 PID 3080 wrote to memory of 1996 3080 Process not Found 96 PID 3080 wrote to memory of 1996 3080 Process not Found 96 PID 3080 wrote to memory of 1996 3080 Process not Found 96 PID 3080 wrote to memory of 1996 3080 Process not Found 96 PID 3080 wrote to memory of 3132 3080 Process not Found 97 PID 3080 wrote to memory of 3132 3080 Process not Found 97 PID 3080 wrote to memory of 3132 3080 Process not Found 97 PID 3080 wrote to memory of 3132 3080 Process not Found 97 PID 3080 wrote to memory of 4992 3080 Process not Found 98 PID 3080 wrote to memory of 4992 3080 Process not Found 98 PID 3080 wrote to memory of 4992 3080 Process not Found 98 PID 3080 wrote to memory of 1356 3080 Process not Found 99 PID 3080 wrote to memory of 1356 3080 Process not Found 99 PID 3080 wrote to memory of 1356 3080 Process not Found 99 PID 3080 wrote to memory of 1356 3080 Process not Found 99 PID 2448 wrote to memory of 4596 2448 5C0A.exe 100 PID 2448 wrote to memory of 4596 2448 5C0A.exe 100 PID 4596 wrote to memory of 3832 4596 71659390984289565253.exe 102 PID 4596 wrote to memory of 3832 4596 71659390984289565253.exe 102 PID 3832 wrote to memory of 1600 3832 cmd.exe 104 PID 3832 wrote to memory of 1600 3832 cmd.exe 104 PID 2448 wrote to memory of 1368 2448 5C0A.exe 105 PID 2448 wrote to memory of 1368 2448 5C0A.exe 105 PID 2448 wrote to memory of 1368 2448 5C0A.exe 105 PID 2448 wrote to memory of 4592 2448 5C0A.exe 106 PID 2448 wrote to memory of 4592 2448 5C0A.exe 106 PID 2448 wrote to memory of 4592 2448 5C0A.exe 106 PID 4592 wrote to memory of 2488 4592 cmd.exe 110 PID 4592 wrote to memory of 2488 4592 cmd.exe 110 PID 4592 wrote to memory of 2488 4592 cmd.exe 110 PID 1368 wrote to memory of 3144 1368 80169653563829719828.exe 111 PID 1368 wrote to memory of 3144 1368 80169653563829719828.exe 111 PID 1368 wrote to memory of 3144 1368 80169653563829719828.exe 111 -
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\238c57b6ae0461932bf6e25f129c42e0.exe"C:\Users\Admin\AppData\Local\Temp\238c57b6ae0461932bf6e25f129c42e0.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2352
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C:\Users\Admin\AppData\Local\Temp\5C0A.exeC:\Users\Admin\AppData\Local\Temp\5C0A.exe1⤵
- Checks computer location settings
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:2448 -
C:\ProgramData\71659390984289565253.exe"C:\ProgramData\71659390984289565253.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4596 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\71659390984289565253.exe3⤵
- Suspicious use of WriteProcessMemory
PID:3832 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 04⤵PID:1600
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C:\ProgramData\80169653563829719828.exe"C:\ProgramData\80169653563829719828.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:1368 -
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:3144
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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\5C0A.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:4592 -
C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
PID:2488
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2448 -s 21002⤵
- Program crash
PID:1776
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:4360
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵PID:3108
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:3412
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵PID:5104
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:3532
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:1996
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:3132
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵PID:4992
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:1356
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 2448 -ip 24481⤵PID:3920
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
518.4MB
MD547bbd17b389fb9f8a8ca94755a4dcbf1
SHA15a390f15b10b48cebce17857dc94dd36c705f11f
SHA2560b187212aa5c79448a5379bca987e5dc3a1a26798e5f6d094a96cac62bd10c5d
SHA5123d703ffe4c166bd260294999e7122002f0ba41c127956d0e51db9b45172939084ba7f53d06cd591bc8ff050fea665d92f8ff303befc739208f0577ee07d986c8
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Filesize
513.0MB
MD51ef48e3c2ab56c59350e8f19d1698103
SHA1feea94f5dbe2d65833dcc50b39f6b63a8b044b5b
SHA256d5bc25bd873d169f633f13d213ee3dd3419e93dd5a341d131628066ff384962b
SHA51219788ef5a3d0463d9e31cfb8db570de9a1e8e57a0e30b116366f2ea820125cbfca97d976e87ab7ddab6764b6f238abc2999867b8dfc1708cb3ccc4a850522b3c