Analysis
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max time kernel
113s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system -
submitted
11-04-2023 07:40
Static task
static1
Behavioral task
behavioral1
Sample
257f3227f28be3d46cbb43378f0c59bbbff01638b3935c704726ab7384e339cf.exe
Resource
win10v2004-20230221-en
General
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Target
257f3227f28be3d46cbb43378f0c59bbbff01638b3935c704726ab7384e339cf.exe
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Size
308KB
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MD5
0f05baf410acbdb5472a53529bf2000b
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SHA1
109fe4c8b160e56cbdbcdb226b155013c2050b53
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SHA256
257f3227f28be3d46cbb43378f0c59bbbff01638b3935c704726ab7384e339cf
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SHA512
e9a23c9422227b9500392266c4c454f7a800579916e1d530037ac5185e1b5ff80cc035c449dc04e9cd382125ce166cf560adea5525798972143b18beb1b20713
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SSDEEP
6144:pYisWyuxC0oU/CuV2npwuLRkMjIYBe0IgPYjafUfSgx2O:pYisexeUCPp1EYBe0IXasfp
Malware Config
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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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-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation 257f3227f28be3d46cbb43378f0c59bbbff01638b3935c704726ab7384e339cf.exe Key value queried \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation 02158877069714656093.exe -
Executes dropped EXE 3 IoCs
pid Process 1576 02158877069714656093.exe 1568 33859938149336235784.exe 4632 svcservice.exe -
Loads dropped DLL 2 IoCs
pid Process 3204 257f3227f28be3d46cbb43378f0c59bbbff01638b3935c704726ab7384e339cf.exe 3204 257f3227f28be3d46cbb43378f0c59bbbff01638b3935c704726ab7384e339cf.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/0x0006000000023161-242.dat upx behavioral1/files/0x0006000000023161-244.dat upx behavioral1/files/0x0006000000023161-245.dat upx behavioral1/memory/1568-246-0x00000000005B0000-0x0000000001413000-memory.dmp upx behavioral1/memory/1568-248-0x00000000005B0000-0x0000000001413000-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-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\telemetry = "C:\\Users\\Admin\\AppData\\Roaming\\telemetry\\svcservice.exe" 02158877069714656093.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 1576 02158877069714656093.exe 1576 02158877069714656093.exe 4632 svcservice.exe 4632 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 4400 3204 WerFault.exe 85 -
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 257f3227f28be3d46cbb43378f0c59bbbff01638b3935c704726ab7384e339cf.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 257f3227f28be3d46cbb43378f0c59bbbff01638b3935c704726ab7384e339cf.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 4524 timeout.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3204 257f3227f28be3d46cbb43378f0c59bbbff01638b3935c704726ab7384e339cf.exe 3204 257f3227f28be3d46cbb43378f0c59bbbff01638b3935c704726ab7384e339cf.exe 1576 02158877069714656093.exe 1576 02158877069714656093.exe 4632 svcservice.exe 4632 svcservice.exe -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 3204 wrote to memory of 1576 3204 257f3227f28be3d46cbb43378f0c59bbbff01638b3935c704726ab7384e339cf.exe 92 PID 3204 wrote to memory of 1576 3204 257f3227f28be3d46cbb43378f0c59bbbff01638b3935c704726ab7384e339cf.exe 92 PID 3204 wrote to memory of 1576 3204 257f3227f28be3d46cbb43378f0c59bbbff01638b3935c704726ab7384e339cf.exe 92 PID 3204 wrote to memory of 1568 3204 257f3227f28be3d46cbb43378f0c59bbbff01638b3935c704726ab7384e339cf.exe 94 PID 3204 wrote to memory of 1568 3204 257f3227f28be3d46cbb43378f0c59bbbff01638b3935c704726ab7384e339cf.exe 94 PID 3204 wrote to memory of 524 3204 257f3227f28be3d46cbb43378f0c59bbbff01638b3935c704726ab7384e339cf.exe 95 PID 3204 wrote to memory of 524 3204 257f3227f28be3d46cbb43378f0c59bbbff01638b3935c704726ab7384e339cf.exe 95 PID 3204 wrote to memory of 524 3204 257f3227f28be3d46cbb43378f0c59bbbff01638b3935c704726ab7384e339cf.exe 95 PID 1568 wrote to memory of 3956 1568 33859938149336235784.exe 96 PID 1568 wrote to memory of 3956 1568 33859938149336235784.exe 96 PID 3956 wrote to memory of 3352 3956 cmd.exe 100 PID 3956 wrote to memory of 3352 3956 cmd.exe 100 PID 524 wrote to memory of 4524 524 cmd.exe 101 PID 524 wrote to memory of 4524 524 cmd.exe 101 PID 524 wrote to memory of 4524 524 cmd.exe 101 PID 1576 wrote to memory of 4632 1576 02158877069714656093.exe 102 PID 1576 wrote to memory of 4632 1576 02158877069714656093.exe 102 PID 1576 wrote to memory of 4632 1576 02158877069714656093.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\257f3227f28be3d46cbb43378f0c59bbbff01638b3935c704726ab7384e339cf.exe"C:\Users\Admin\AppData\Local\Temp\257f3227f28be3d46cbb43378f0c59bbbff01638b3935c704726ab7384e339cf.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3204 -
C:\ProgramData\02158877069714656093.exe"C:\ProgramData\02158877069714656093.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1576 -
C:\Users\Admin\AppData\Roaming\telemetry\svcservice.exe"C:\Users\Admin\AppData\Roaming\telemetry\svcservice.exe"3⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:4632
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C:\ProgramData\33859938149336235784.exe"C:\ProgramData\33859938149336235784.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1568 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\33859938149336235784.exe3⤵
- Suspicious use of WriteProcessMemory
PID:3956 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 04⤵PID:3352
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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\257f3227f28be3d46cbb43378f0c59bbbff01638b3935c704726ab7384e339cf.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:524 -
C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
PID:4524
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3204 -s 18562⤵
- Program crash
PID:4400
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3204 -ip 32041⤵PID:4476
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
797.2MB
MD55136e39bb49d15bea099a2ab9212a988
SHA15f98ecdc15c8276cb2eefb30f1613ddf383246f5
SHA25632445573cdaa7d18d1fd5f6c661bdf134e4a68f4188046af819b2b49ba59fe1b
SHA5123a8fd88284ef853f8775855cdb94cadc7123e957d186f25dc0ab400fb4b5e3d36c9bb7af24350fbdfc4a67b3cf18da155b016999b4e2a6f8dc98f9edd0589f43
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Filesize
797.2MB
MD55136e39bb49d15bea099a2ab9212a988
SHA15f98ecdc15c8276cb2eefb30f1613ddf383246f5
SHA25632445573cdaa7d18d1fd5f6c661bdf134e4a68f4188046af819b2b49ba59fe1b
SHA5123a8fd88284ef853f8775855cdb94cadc7123e957d186f25dc0ab400fb4b5e3d36c9bb7af24350fbdfc4a67b3cf18da155b016999b4e2a6f8dc98f9edd0589f43