Analysis
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max time kernel
131s -
max time network
138s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
10-04-2023 07:02
Static task
static1
Behavioral task
behavioral1
Sample
tmp.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
tmp.exe
Resource
win10v2004-20230220-en
General
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Target
tmp.exe
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Size
303KB
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MD5
9f7050556ae5361e85077349cc5b8d5a
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SHA1
8509ee3fee707f4ea89ed7e84321e82780926e8d
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SHA256
7f7d20bd19fc0bda83d1ab3193c7c07f4a82cdf3ef9ba6ac8f42e30b0d0b89bb
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SHA512
0360381602802baae2987ebf0ed9ce46669b57806d7b6eaeb677c87d2e6763637cafff4c102c6b638427687b8f22d9dece3c7ef24c23b72b8cbbb91d67c2bea8
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SSDEEP
6144:Tk8zDQG577iklaZkbhLlpUkc1dLB3RlaYiIXAebq:Q8J9DoknyXF3Rlp9hq
Malware Config
Extracted
vidar
3.3
8eb820ddf1aebfd9fcdae0b7decef98a
https://steamcommunity.com/profiles/76561199492257783
https://t.me/justsometg
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profile_id_v2
8eb820ddf1aebfd9fcdae0b7decef98a
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user_agent
Mozilla/5.0 (X11; Linux 3.5.4-1-ARCH i686; es) KHTML/4.9.1 (like Gecko) Konqueror/4.9
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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.NET Reactor proctector 31 IoCs
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
resource yara_rule behavioral2/files/0x00020000000224de-229.dat net_reactor behavioral2/files/0x00020000000224de-235.dat net_reactor behavioral2/files/0x00020000000224de-236.dat net_reactor behavioral2/memory/4236-243-0x0000000000540000-0x0000000000BBA000-memory.dmp net_reactor behavioral2/memory/4236-245-0x0000000005650000-0x00000000056D8000-memory.dmp net_reactor behavioral2/memory/4236-246-0x0000000005650000-0x00000000056D8000-memory.dmp net_reactor behavioral2/memory/4236-251-0x0000000005650000-0x00000000056D8000-memory.dmp net_reactor behavioral2/memory/4236-253-0x0000000005650000-0x00000000056D8000-memory.dmp net_reactor behavioral2/memory/4236-255-0x0000000005650000-0x00000000056D8000-memory.dmp net_reactor behavioral2/memory/4236-259-0x0000000005650000-0x00000000056D8000-memory.dmp net_reactor behavioral2/memory/4236-266-0x0000000005650000-0x00000000056D8000-memory.dmp net_reactor behavioral2/memory/4236-268-0x0000000005650000-0x00000000056D8000-memory.dmp net_reactor behavioral2/memory/4236-270-0x0000000005650000-0x00000000056D8000-memory.dmp net_reactor behavioral2/memory/4236-272-0x0000000005650000-0x00000000056D8000-memory.dmp net_reactor behavioral2/memory/4236-274-0x0000000005650000-0x00000000056D8000-memory.dmp net_reactor behavioral2/memory/4236-276-0x0000000005650000-0x00000000056D8000-memory.dmp net_reactor behavioral2/memory/4236-278-0x0000000005650000-0x00000000056D8000-memory.dmp net_reactor behavioral2/memory/4236-280-0x0000000005650000-0x00000000056D8000-memory.dmp net_reactor behavioral2/memory/4236-282-0x0000000005650000-0x00000000056D8000-memory.dmp net_reactor behavioral2/memory/4236-284-0x0000000005650000-0x00000000056D8000-memory.dmp net_reactor behavioral2/memory/4236-286-0x0000000005650000-0x00000000056D8000-memory.dmp net_reactor behavioral2/memory/4236-288-0x0000000005650000-0x00000000056D8000-memory.dmp net_reactor behavioral2/memory/4236-291-0x0000000005650000-0x00000000056D8000-memory.dmp net_reactor behavioral2/memory/4236-294-0x0000000005650000-0x00000000056D8000-memory.dmp net_reactor behavioral2/memory/4236-296-0x0000000005650000-0x00000000056D8000-memory.dmp net_reactor behavioral2/memory/4236-299-0x0000000005650000-0x00000000056D8000-memory.dmp net_reactor behavioral2/files/0x00020000000224de-1723.dat net_reactor behavioral2/files/0x000700000002311f-1737.dat net_reactor behavioral2/files/0x000700000002311f-1739.dat net_reactor behavioral2/memory/500-1937-0x0000000005690000-0x00000000056A0000-memory.dmp net_reactor behavioral2/files/0x000700000002311f-3208.dat net_reactor -
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-1-5-21-1675742406-747946869-1029867430-1000\Control Panel\International\Geo\Nation tmp.exe Key value queried \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Control Panel\International\Geo\Nation 04004711476959899157.exe -
Executes dropped EXE 5 IoCs
pid Process 4236 04004711476959899157.exe 1088 60815922271166194454.exe 4356 04004711476959899157.exe 500 svcservice.exe 4976 svcservice.exe -
Loads dropped DLL 2 IoCs
pid Process 1716 tmp.exe 1716 tmp.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/0x000600000002311d-257.dat upx behavioral2/files/0x000600000002311d-264.dat upx behavioral2/files/0x000600000002311d-263.dat upx behavioral2/memory/1088-292-0x0000000001000000-0x0000000001E63000-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-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\telemetry = "C:\\Users\\Admin\\AppData\\Roaming\\telemetry\\svcservice.exe" 04004711476959899157.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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Legitimate hosting services abused for malware hosting/C2 1 TTPs
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Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 4236 set thread context of 4356 4236 04004711476959899157.exe 97 PID 500 set thread context of 4976 500 svcservice.exe 100 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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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 tmp.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString tmp.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 4496 timeout.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1716 tmp.exe 1716 tmp.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4236 04004711476959899157.exe Token: SeDebugPrivilege 500 svcservice.exe -
Suspicious use of WriteProcessMemory 38 IoCs
description pid Process procid_target PID 1716 wrote to memory of 4236 1716 tmp.exe 88 PID 1716 wrote to memory of 4236 1716 tmp.exe 88 PID 1716 wrote to memory of 4236 1716 tmp.exe 88 PID 1716 wrote to memory of 1088 1716 tmp.exe 90 PID 1716 wrote to memory of 1088 1716 tmp.exe 90 PID 1088 wrote to memory of 5040 1088 60815922271166194454.exe 91 PID 1088 wrote to memory of 5040 1088 60815922271166194454.exe 91 PID 1716 wrote to memory of 972 1716 tmp.exe 95 PID 1716 wrote to memory of 972 1716 tmp.exe 95 PID 1716 wrote to memory of 972 1716 tmp.exe 95 PID 5040 wrote to memory of 2976 5040 cmd.exe 93 PID 5040 wrote to memory of 2976 5040 cmd.exe 93 PID 972 wrote to memory of 4496 972 cmd.exe 96 PID 972 wrote to memory of 4496 972 cmd.exe 96 PID 972 wrote to memory of 4496 972 cmd.exe 96 PID 4236 wrote to memory of 4356 4236 04004711476959899157.exe 97 PID 4236 wrote to memory of 4356 4236 04004711476959899157.exe 97 PID 4236 wrote to memory of 4356 4236 04004711476959899157.exe 97 PID 4236 wrote to memory of 4356 4236 04004711476959899157.exe 97 PID 4236 wrote to memory of 4356 4236 04004711476959899157.exe 97 PID 4236 wrote to memory of 4356 4236 04004711476959899157.exe 97 PID 4236 wrote to memory of 4356 4236 04004711476959899157.exe 97 PID 4236 wrote to memory of 4356 4236 04004711476959899157.exe 97 PID 4236 wrote to memory of 4356 4236 04004711476959899157.exe 97 PID 4236 wrote to memory of 4356 4236 04004711476959899157.exe 97 PID 4356 wrote to memory of 500 4356 04004711476959899157.exe 98 PID 4356 wrote to memory of 500 4356 04004711476959899157.exe 98 PID 4356 wrote to memory of 500 4356 04004711476959899157.exe 98 PID 500 wrote to memory of 4976 500 svcservice.exe 100 PID 500 wrote to memory of 4976 500 svcservice.exe 100 PID 500 wrote to memory of 4976 500 svcservice.exe 100 PID 500 wrote to memory of 4976 500 svcservice.exe 100 PID 500 wrote to memory of 4976 500 svcservice.exe 100 PID 500 wrote to memory of 4976 500 svcservice.exe 100 PID 500 wrote to memory of 4976 500 svcservice.exe 100 PID 500 wrote to memory of 4976 500 svcservice.exe 100 PID 500 wrote to memory of 4976 500 svcservice.exe 100 PID 500 wrote to memory of 4976 500 svcservice.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\tmp.exe"C:\Users\Admin\AppData\Local\Temp\tmp.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1716 -
C:\ProgramData\04004711476959899157.exe"C:\ProgramData\04004711476959899157.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4236 -
C:\ProgramData\04004711476959899157.exe"C:\ProgramData\04004711476959899157.exe"3⤵
- Checks computer location settings
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4356 -
C:\Users\Admin\AppData\Roaming\telemetry\svcservice.exe"C:\Users\Admin\AppData\Roaming\telemetry\svcservice.exe"4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:500 -
C:\Users\Admin\AppData\Roaming\telemetry\svcservice.exe"C:\Users\Admin\AppData\Roaming\telemetry\svcservice.exe"5⤵
- Executes dropped EXE
PID:4976
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C:\ProgramData\60815922271166194454.exe"C:\ProgramData\60815922271166194454.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1088 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\60815922271166194454.exe3⤵
- Suspicious use of WriteProcessMemory
PID:5040 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 04⤵PID:2976
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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\tmp.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:972 -
C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
PID:4496
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
6.5MB
MD516df503a8f0da68ea293647521a0f3b2
SHA1ff6a8f795d86f891ce030eb7c11ef11e4e6fd363
SHA25620f64a2a0264eeaffd4a844cc4cae2e1ac8beb4c2c1cdbbe4c7d440ee6ca2789
SHA5123821b0c34967cca04201946f041e1131a480c77966ce4342e02cc08fd73c53f53aa4d5ce99b7f4b08df5579b2af4896cfb56598d545250aff8957d63dac9032f
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Filesize
6.5MB
MD516df503a8f0da68ea293647521a0f3b2
SHA1ff6a8f795d86f891ce030eb7c11ef11e4e6fd363
SHA25620f64a2a0264eeaffd4a844cc4cae2e1ac8beb4c2c1cdbbe4c7d440ee6ca2789
SHA5123821b0c34967cca04201946f041e1131a480c77966ce4342e02cc08fd73c53f53aa4d5ce99b7f4b08df5579b2af4896cfb56598d545250aff8957d63dac9032f
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Filesize
6.5MB
MD516df503a8f0da68ea293647521a0f3b2
SHA1ff6a8f795d86f891ce030eb7c11ef11e4e6fd363
SHA25620f64a2a0264eeaffd4a844cc4cae2e1ac8beb4c2c1cdbbe4c7d440ee6ca2789
SHA5123821b0c34967cca04201946f041e1131a480c77966ce4342e02cc08fd73c53f53aa4d5ce99b7f4b08df5579b2af4896cfb56598d545250aff8957d63dac9032f
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Filesize
6.5MB
MD516df503a8f0da68ea293647521a0f3b2
SHA1ff6a8f795d86f891ce030eb7c11ef11e4e6fd363
SHA25620f64a2a0264eeaffd4a844cc4cae2e1ac8beb4c2c1cdbbe4c7d440ee6ca2789
SHA5123821b0c34967cca04201946f041e1131a480c77966ce4342e02cc08fd73c53f53aa4d5ce99b7f4b08df5579b2af4896cfb56598d545250aff8957d63dac9032f
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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
750.5MB
MD5b0b8737fa84b3fe307f590a2c1e75be1
SHA1d02db77e68b363aa8809e5940cefa5cb5204d42d
SHA25617d7adb1aa036f53cdd6b88686a3489db46170aacef6678e73e8347aaa9ee700
SHA512321b0a9f7c04a72a62450b2e49ab4ef29d5e13c45341c4f1e90333609c78a1ff117c4d8ce88689788a02e34bb42d5eca50dc8a0c8f35e8050b742a14cc5680ff
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Filesize
750.5MB
MD5b0b8737fa84b3fe307f590a2c1e75be1
SHA1d02db77e68b363aa8809e5940cefa5cb5204d42d
SHA25617d7adb1aa036f53cdd6b88686a3489db46170aacef6678e73e8347aaa9ee700
SHA512321b0a9f7c04a72a62450b2e49ab4ef29d5e13c45341c4f1e90333609c78a1ff117c4d8ce88689788a02e34bb42d5eca50dc8a0c8f35e8050b742a14cc5680ff
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Filesize
317.3MB
MD5b2bbe636d5e72f57177e70222af2a3d2
SHA1eb7dc288bddeb9c905916aa5a5dc17ed4bc934d1
SHA2563651758b5a747f1a1c90b68beed56c3fc8adf449f699384d2b6034725aa3672e
SHA512c3839311bf56f9c49d8dc4914bf9a044c801612f0ef7944fe5eec84f3d5b16cbee96c7e16b28635ceb30b08f46e65fbdf7e0e6a6fed94883a602eadbca4f62b7