Analysis
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max time kernel
150s -
max time network
142s -
platform
windows10-1703_x64 -
resource
win10-20230220-en -
resource tags
arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system -
submitted
11/04/2023, 09:06
Static task
static1
Behavioral task
behavioral1
Sample
79dcef5f7b9c411ac92d820944ee9686dfe7d37678ee2ef4412dba7ad0eeec5c.exe
Resource
win10-20230220-en
General
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Target
79dcef5f7b9c411ac92d820944ee9686dfe7d37678ee2ef4412dba7ad0eeec5c.exe
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Size
198KB
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MD5
7f1b14546d975e5ebb65cc8bcb5193a8
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SHA1
1cd152880fe4523ac2043e1abe6cdbb5db64f5f1
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SHA256
79dcef5f7b9c411ac92d820944ee9686dfe7d37678ee2ef4412dba7ad0eeec5c
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SHA512
4ea89932a43e283a24f3e0b388d0cbd690f9df573dacb3b81cbead38a9e7671764cc4210ece7b683510fb34891ff24eed9ada1bbb3a8a38a5331619833cb700b
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SSDEEP
3072:P5c3n6eOPAJ3q+Zc61rV7QtRhyw1jqmDQNbBcdOfREaVVPep:RnhPA9qYzu+onDQlBcd4pPG
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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Deletes itself 1 IoCs
pid Process 3252 Process not Found -
Executes dropped EXE 4 IoCs
pid Process 1704 1BB6.exe 4364 25373667414117470759.exe 4964 85684342381683685323.exe 828 svcservice.exe -
Loads dropped DLL 2 IoCs
pid Process 1704 1BB6.exe 1704 1BB6.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 behavioral1/files/0x000600000001af11-288.dat upx behavioral1/files/0x000600000001af11-289.dat upx behavioral1/memory/4964-290-0x0000000000F00000-0x0000000001D63000-memory.dmp upx behavioral1/memory/4964-291-0x0000000000F00000-0x0000000001D63000-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-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Windows\CurrentVersion\Run\telemetry = "C:\\Users\\Admin\\AppData\\Roaming\\telemetry\\svcservice.exe" 25373667414117470759.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 4364 25373667414117470759.exe 4364 25373667414117470759.exe 828 svcservice.exe 828 svcservice.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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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 79dcef5f7b9c411ac92d820944ee9686dfe7d37678ee2ef4412dba7ad0eeec5c.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 79dcef5f7b9c411ac92d820944ee9686dfe7d37678ee2ef4412dba7ad0eeec5c.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 79dcef5f7b9c411ac92d820944ee9686dfe7d37678ee2ef4412dba7ad0eeec5c.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 1BB6.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 1BB6.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 5080 timeout.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2568 79dcef5f7b9c411ac92d820944ee9686dfe7d37678ee2ef4412dba7ad0eeec5c.exe 2568 79dcef5f7b9c411ac92d820944ee9686dfe7d37678ee2ef4412dba7ad0eeec5c.exe 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3252 Process not Found -
Suspicious behavior: MapViewOfSection 19 IoCs
pid Process 2568 79dcef5f7b9c411ac92d820944ee9686dfe7d37678ee2ef4412dba7ad0eeec5c.exe 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found -
Suspicious use of AdjustPrivilegeToken 14 IoCs
description pid Process Token: SeShutdownPrivilege 3252 Process not Found Token: SeCreatePagefilePrivilege 3252 Process not Found Token: SeShutdownPrivilege 3252 Process not Found Token: SeCreatePagefilePrivilege 3252 Process not Found Token: SeShutdownPrivilege 3252 Process not Found Token: SeCreatePagefilePrivilege 3252 Process not Found Token: SeShutdownPrivilege 3252 Process not Found Token: SeCreatePagefilePrivilege 3252 Process not Found Token: SeShutdownPrivilege 3252 Process not Found Token: SeCreatePagefilePrivilege 3252 Process not Found Token: SeShutdownPrivilege 3252 Process not Found Token: SeCreatePagefilePrivilege 3252 Process not Found Token: SeShutdownPrivilege 3252 Process not Found Token: SeCreatePagefilePrivilege 3252 Process not Found -
Suspicious use of WriteProcessMemory 54 IoCs
description pid Process procid_target PID 3252 wrote to memory of 1704 3252 Process not Found 66 PID 3252 wrote to memory of 1704 3252 Process not Found 66 PID 3252 wrote to memory of 1704 3252 Process not Found 66 PID 3252 wrote to memory of 4424 3252 Process not Found 67 PID 3252 wrote to memory of 4424 3252 Process not Found 67 PID 3252 wrote to memory of 4424 3252 Process not Found 67 PID 3252 wrote to memory of 4424 3252 Process not Found 67 PID 3252 wrote to memory of 2576 3252 Process not Found 68 PID 3252 wrote to memory of 2576 3252 Process not Found 68 PID 3252 wrote to memory of 2576 3252 Process not Found 68 PID 3252 wrote to memory of 1400 3252 Process not Found 69 PID 3252 wrote to memory of 1400 3252 Process not Found 69 PID 3252 wrote to memory of 1400 3252 Process not Found 69 PID 3252 wrote to memory of 1400 3252 Process not Found 69 PID 3252 wrote to memory of 2648 3252 Process not Found 70 PID 3252 wrote to memory of 2648 3252 Process not Found 70 PID 3252 wrote to memory of 2648 3252 Process not Found 70 PID 3252 wrote to memory of 3764 3252 Process not Found 71 PID 3252 wrote to memory of 3764 3252 Process not Found 71 PID 3252 wrote to memory of 3764 3252 Process not Found 71 PID 3252 wrote to memory of 3764 3252 Process not Found 71 PID 3252 wrote to memory of 4692 3252 Process not Found 72 PID 3252 wrote to memory of 4692 3252 Process not Found 72 PID 3252 wrote to memory of 4692 3252 Process not Found 72 PID 3252 wrote to memory of 4692 3252 Process not Found 72 PID 3252 wrote to memory of 2580 3252 Process not Found 73 PID 3252 wrote to memory of 2580 3252 Process not Found 73 PID 3252 wrote to memory of 2580 3252 Process not Found 73 PID 3252 wrote to memory of 2580 3252 Process not Found 73 PID 3252 wrote to memory of 3792 3252 Process not Found 74 PID 3252 wrote to memory of 3792 3252 Process not Found 74 PID 3252 wrote to memory of 3792 3252 Process not Found 74 PID 3252 wrote to memory of 3916 3252 Process not Found 75 PID 3252 wrote to memory of 3916 3252 Process not Found 75 PID 3252 wrote to memory of 3916 3252 Process not Found 75 PID 3252 wrote to memory of 3916 3252 Process not Found 75 PID 1704 wrote to memory of 4364 1704 1BB6.exe 77 PID 1704 wrote to memory of 4364 1704 1BB6.exe 77 PID 1704 wrote to memory of 4364 1704 1BB6.exe 77 PID 1704 wrote to memory of 4964 1704 1BB6.exe 79 PID 1704 wrote to memory of 4964 1704 1BB6.exe 79 PID 4964 wrote to memory of 5112 4964 85684342381683685323.exe 81 PID 4964 wrote to memory of 5112 4964 85684342381683685323.exe 81 PID 1704 wrote to memory of 5044 1704 1BB6.exe 82 PID 1704 wrote to memory of 5044 1704 1BB6.exe 82 PID 1704 wrote to memory of 5044 1704 1BB6.exe 82 PID 5112 wrote to memory of 4896 5112 cmd.exe 83 PID 5112 wrote to memory of 4896 5112 cmd.exe 83 PID 5044 wrote to memory of 5080 5044 cmd.exe 85 PID 5044 wrote to memory of 5080 5044 cmd.exe 85 PID 5044 wrote to memory of 5080 5044 cmd.exe 85 PID 4364 wrote to memory of 828 4364 25373667414117470759.exe 86 PID 4364 wrote to memory of 828 4364 25373667414117470759.exe 86 PID 4364 wrote to memory of 828 4364 25373667414117470759.exe 86 -
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\79dcef5f7b9c411ac92d820944ee9686dfe7d37678ee2ef4412dba7ad0eeec5c.exe"C:\Users\Admin\AppData\Local\Temp\79dcef5f7b9c411ac92d820944ee9686dfe7d37678ee2ef4412dba7ad0eeec5c.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2568
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C:\Users\Admin\AppData\Local\Temp\1BB6.exeC:\Users\Admin\AppData\Local\Temp\1BB6.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:1704 -
C:\ProgramData\25373667414117470759.exe"C:\ProgramData\25373667414117470759.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:4364 -
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:828
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C:\ProgramData\85684342381683685323.exe"C:\ProgramData\85684342381683685323.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4964 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\85684342381683685323.exe3⤵
- Suspicious use of WriteProcessMemory
PID:5112 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 04⤵PID:4896
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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\1BB6.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:5044 -
C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
PID:5080
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:4424
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵PID:2576
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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:2648
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:3764
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:4692
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:2580
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵PID:3792
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:3916
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
4.3MB
MD5c4ab3149ef02a36d663699a8c541933e
SHA167088f5eff9ec575775b711c9e3650d12d7f4d5c
SHA2560a0fbd6af9e5d110118f02b87f9a92f9f58fb100f6d9883d55a6aae6c548b4ce
SHA51288b10f81b2cd273fefeffb4c2078807e89b4b756d50110b61e9f89092715f29ba8d1803f64bc971c1293dc624b92d0b7f05612ae661dd8d24e47d39047a4b7b4
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Filesize
4.3MB
MD5c4ab3149ef02a36d663699a8c541933e
SHA167088f5eff9ec575775b711c9e3650d12d7f4d5c
SHA2560a0fbd6af9e5d110118f02b87f9a92f9f58fb100f6d9883d55a6aae6c548b4ce
SHA51288b10f81b2cd273fefeffb4c2078807e89b4b756d50110b61e9f89092715f29ba8d1803f64bc971c1293dc624b92d0b7f05612ae661dd8d24e47d39047a4b7b4
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Filesize
308KB
MD50f05baf410acbdb5472a53529bf2000b
SHA1109fe4c8b160e56cbdbcdb226b155013c2050b53
SHA256257f3227f28be3d46cbb43378f0c59bbbff01638b3935c704726ab7384e339cf
SHA512e9a23c9422227b9500392266c4c454f7a800579916e1d530037ac5185e1b5ff80cc035c449dc04e9cd382125ce166cf560adea5525798972143b18beb1b20713
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Filesize
308KB
MD50f05baf410acbdb5472a53529bf2000b
SHA1109fe4c8b160e56cbdbcdb226b155013c2050b53
SHA256257f3227f28be3d46cbb43378f0c59bbbff01638b3935c704726ab7384e339cf
SHA512e9a23c9422227b9500392266c4c454f7a800579916e1d530037ac5185e1b5ff80cc035c449dc04e9cd382125ce166cf560adea5525798972143b18beb1b20713
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Filesize
426.9MB
MD5fc9d2554c562ed2a359f4dfd4616abfd
SHA15cae0f76e467d7ef010881b74d5c9367da583a70
SHA2569425fe107e3933559bd232eabac5e368ffd7bf5f3cb320a04db68d697fecde90
SHA512f458736d1ee15b09b1a7e85a121463bf65537b873cd4fbb2f388fe80b43b9a62375f199037547ae78c75e1a07ea95d13a4969b48da102c6e0d154aa49554aefb
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Filesize
315.1MB
MD551bf5a007e092552cf2db47d6c32d787
SHA110535fe54e9de6cddd87b6403b88dd8effe17402
SHA2566730027a37b8907264a2048eef540ecf30c9a136ced92d9e24498e42f9af239c
SHA5120dca03b68b74ee51496a29ffa5bef423c36345424fa8d03507f3337421a3260c511ed6571208559d9a21fdd4bd0f0a90eecfdefa2fef5a3f3ae33e7758b26f6d
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Filesize
322.4MB
MD5b034b0fadbf05acff20756caf02b3928
SHA1fa2d9f6273c289c18d36157e9fd0c419584afbde
SHA256d7fbd4868558f4f03d57efc92a96d3c806271896c758d7697579c6a205b63d8a
SHA512cf1654c3c6f70e8faebcc2a3859753cd81e086754331ed25af58063fe1d62da8a3143ad22857c4b07eb89ec9c1e03bfbb1ea5a0b3c1f4fc4df2328895706a4b4
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571