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Analysis
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max time kernel
144s -
max time network
131s -
platform
windows10-1703_x64 -
resource
win10-20231023-en -
resource tags
arch:x64arch:x86image:win10-20231023-enlocale:en-usos:windows10-1703-x64system -
submitted
24/11/2023, 18:26
Static task
static1
Behavioral task
behavioral1
Sample
a4b869f1b9f7ab472e2fef76c8b952db52cc71a84eb567d92f13eea21ac0ad71.exe
Resource
win10-20231023-en
General
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Target
a4b869f1b9f7ab472e2fef76c8b952db52cc71a84eb567d92f13eea21ac0ad71.exe
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Size
4.9MB
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MD5
079eeed94723bcaccc375d3caaa6f990
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SHA1
098aaf83ec35a5a373fefc5e28946e21c53cdd4b
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SHA256
a4b869f1b9f7ab472e2fef76c8b952db52cc71a84eb567d92f13eea21ac0ad71
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SHA512
c568619fdad4467937cd3e60d3ce1d72bed48e96be342d95e190e17f08cfca9d1e916f85340fd10825d07fb0af7556d6dc388f003aad78c8ebb85038278178e3
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SSDEEP
98304:Hc5LyCUfJ+K0OBvdcTIjudjbaS2mCWk/lS5pXHBN+zkQZMFzriQEQYlE:8zUfJ+K0OHcIjudbh21WQlSvBAEGQYu
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
pid Process 5116 a4b869f1b9f7ab472e2fef76c8b952db52cc71a84eb567d92f13eea21ac0ad71.tmp 3084 TVCross.exe 3716 TVCross.exe -
Loads dropped DLL 3 IoCs
pid Process 5116 a4b869f1b9f7ab472e2fef76c8b952db52cc71a84eb567d92f13eea21ac0ad71.tmp 5116 a4b869f1b9f7ab472e2fef76c8b952db52cc71a84eb567d92f13eea21ac0ad71.tmp 5116 a4b869f1b9f7ab472e2fef76c8b952db52cc71a84eb567d92f13eea21ac0ad71.tmp -
Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description ioc Destination IP 88.80.147.105 -
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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Drops file in Program Files directory 19 IoCs
description ioc Process File created C:\Program Files (x86)\Common Files\TVCross\unins000.dat a4b869f1b9f7ab472e2fef76c8b952db52cc71a84eb567d92f13eea21ac0ad71.tmp File created C:\Program Files (x86)\Common Files\TVCross\is-AVDFP.tmp a4b869f1b9f7ab472e2fef76c8b952db52cc71a84eb567d92f13eea21ac0ad71.tmp File created C:\Program Files (x86)\Common Files\TVCross\is-QAE9A.tmp a4b869f1b9f7ab472e2fef76c8b952db52cc71a84eb567d92f13eea21ac0ad71.tmp File created C:\Program Files (x86)\Common Files\TVCross\is-GF9GA.tmp a4b869f1b9f7ab472e2fef76c8b952db52cc71a84eb567d92f13eea21ac0ad71.tmp File created C:\Program Files (x86)\Common Files\TVCross\is-HQ51N.tmp a4b869f1b9f7ab472e2fef76c8b952db52cc71a84eb567d92f13eea21ac0ad71.tmp File created C:\Program Files (x86)\Common Files\TVCross\is-N0BIF.tmp a4b869f1b9f7ab472e2fef76c8b952db52cc71a84eb567d92f13eea21ac0ad71.tmp File created C:\Program Files (x86)\Common Files\TVCross\is-K5UTA.tmp a4b869f1b9f7ab472e2fef76c8b952db52cc71a84eb567d92f13eea21ac0ad71.tmp File created C:\Program Files (x86)\Common Files\TVCross\is-31HR9.tmp a4b869f1b9f7ab472e2fef76c8b952db52cc71a84eb567d92f13eea21ac0ad71.tmp File created C:\Program Files (x86)\Common Files\TVCross\is-60UO1.tmp a4b869f1b9f7ab472e2fef76c8b952db52cc71a84eb567d92f13eea21ac0ad71.tmp File created C:\Program Files (x86)\Common Files\TVCross\UIText\is-531LS.tmp a4b869f1b9f7ab472e2fef76c8b952db52cc71a84eb567d92f13eea21ac0ad71.tmp File opened for modification C:\Program Files (x86)\Common Files\TVCross\unins000.dat a4b869f1b9f7ab472e2fef76c8b952db52cc71a84eb567d92f13eea21ac0ad71.tmp File opened for modification C:\Program Files (x86)\Common Files\TVCross\TVCross.exe a4b869f1b9f7ab472e2fef76c8b952db52cc71a84eb567d92f13eea21ac0ad71.tmp File created C:\Program Files (x86)\Common Files\TVCross\is-0VH20.tmp a4b869f1b9f7ab472e2fef76c8b952db52cc71a84eb567d92f13eea21ac0ad71.tmp File created C:\Program Files (x86)\Common Files\TVCross\is-MN0HM.tmp a4b869f1b9f7ab472e2fef76c8b952db52cc71a84eb567d92f13eea21ac0ad71.tmp File created C:\Program Files (x86)\Common Files\TVCross\is-QHN7C.tmp a4b869f1b9f7ab472e2fef76c8b952db52cc71a84eb567d92f13eea21ac0ad71.tmp File created C:\Program Files (x86)\Common Files\TVCross\is-6J9J8.tmp a4b869f1b9f7ab472e2fef76c8b952db52cc71a84eb567d92f13eea21ac0ad71.tmp File created C:\Program Files (x86)\Common Files\TVCross\is-6GS7R.tmp a4b869f1b9f7ab472e2fef76c8b952db52cc71a84eb567d92f13eea21ac0ad71.tmp File created C:\Program Files (x86)\Common Files\TVCross\is-8RD8S.tmp a4b869f1b9f7ab472e2fef76c8b952db52cc71a84eb567d92f13eea21ac0ad71.tmp File created C:\Program Files (x86)\Common Files\TVCross\UIText\is-N9R0K.tmp a4b869f1b9f7ab472e2fef76c8b952db52cc71a84eb567d92f13eea21ac0ad71.tmp -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Runs net.exe
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Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 3364 wrote to memory of 5116 3364 a4b869f1b9f7ab472e2fef76c8b952db52cc71a84eb567d92f13eea21ac0ad71.exe 71 PID 3364 wrote to memory of 5116 3364 a4b869f1b9f7ab472e2fef76c8b952db52cc71a84eb567d92f13eea21ac0ad71.exe 71 PID 3364 wrote to memory of 5116 3364 a4b869f1b9f7ab472e2fef76c8b952db52cc71a84eb567d92f13eea21ac0ad71.exe 71 PID 5116 wrote to memory of 4292 5116 a4b869f1b9f7ab472e2fef76c8b952db52cc71a84eb567d92f13eea21ac0ad71.tmp 72 PID 5116 wrote to memory of 4292 5116 a4b869f1b9f7ab472e2fef76c8b952db52cc71a84eb567d92f13eea21ac0ad71.tmp 72 PID 5116 wrote to memory of 4292 5116 a4b869f1b9f7ab472e2fef76c8b952db52cc71a84eb567d92f13eea21ac0ad71.tmp 72 PID 5116 wrote to memory of 3084 5116 a4b869f1b9f7ab472e2fef76c8b952db52cc71a84eb567d92f13eea21ac0ad71.tmp 74 PID 5116 wrote to memory of 3084 5116 a4b869f1b9f7ab472e2fef76c8b952db52cc71a84eb567d92f13eea21ac0ad71.tmp 74 PID 5116 wrote to memory of 3084 5116 a4b869f1b9f7ab472e2fef76c8b952db52cc71a84eb567d92f13eea21ac0ad71.tmp 74 PID 5116 wrote to memory of 4400 5116 a4b869f1b9f7ab472e2fef76c8b952db52cc71a84eb567d92f13eea21ac0ad71.tmp 77 PID 5116 wrote to memory of 4400 5116 a4b869f1b9f7ab472e2fef76c8b952db52cc71a84eb567d92f13eea21ac0ad71.tmp 77 PID 5116 wrote to memory of 4400 5116 a4b869f1b9f7ab472e2fef76c8b952db52cc71a84eb567d92f13eea21ac0ad71.tmp 77 PID 5116 wrote to memory of 3716 5116 a4b869f1b9f7ab472e2fef76c8b952db52cc71a84eb567d92f13eea21ac0ad71.tmp 76 PID 5116 wrote to memory of 3716 5116 a4b869f1b9f7ab472e2fef76c8b952db52cc71a84eb567d92f13eea21ac0ad71.tmp 76 PID 5116 wrote to memory of 3716 5116 a4b869f1b9f7ab472e2fef76c8b952db52cc71a84eb567d92f13eea21ac0ad71.tmp 76 PID 4400 wrote to memory of 1052 4400 net.exe 78 PID 4400 wrote to memory of 1052 4400 net.exe 78 PID 4400 wrote to memory of 1052 4400 net.exe 78
Processes
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C:\Users\Admin\AppData\Local\Temp\a4b869f1b9f7ab472e2fef76c8b952db52cc71a84eb567d92f13eea21ac0ad71.exe"C:\Users\Admin\AppData\Local\Temp\a4b869f1b9f7ab472e2fef76c8b952db52cc71a84eb567d92f13eea21ac0ad71.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3364 -
C:\Users\Admin\AppData\Local\Temp\is-DQ5RL.tmp\a4b869f1b9f7ab472e2fef76c8b952db52cc71a84eb567d92f13eea21ac0ad71.tmp"C:\Users\Admin\AppData\Local\Temp\is-DQ5RL.tmp\a4b869f1b9f7ab472e2fef76c8b952db52cc71a84eb567d92f13eea21ac0ad71.tmp" /SL5="$8020E,4923723,54272,C:\Users\Admin\AppData\Local\Temp\a4b869f1b9f7ab472e2fef76c8b952db52cc71a84eb567d92f13eea21ac0ad71.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:5116 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Query3⤵PID:4292
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C:\Program Files (x86)\Common Files\TVCross\TVCross.exe"C:\Program Files (x86)\Common Files\TVCross\TVCross.exe" -i3⤵
- Executes dropped EXE
PID:3084
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C:\Program Files (x86)\Common Files\TVCross\TVCross.exe"C:\Program Files (x86)\Common Files\TVCross\TVCross.exe" -s3⤵
- Executes dropped EXE
PID:3716
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C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 243⤵
- Suspicious use of WriteProcessMemory
PID:4400 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 244⤵PID:1052
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
4.0MB
MD5d8fb43a1267e2e61ebab8b3063b234db
SHA14b6cc720b15990c1f1a7b102e5ced7e5ddb11ce0
SHA2563de538b525674a9412e62cdf89e5fdef96ec06eb1d929e7b9563aff8d49969fb
SHA5125a849fea034c98abf504da3d69ae1dcea7cd58a65a4ce0048f192f91e465c6a1cabc5716db535b162c68239f345a5f78ad4e4353ac377c0ce330f34be8576c50
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Filesize
4.0MB
MD5d8fb43a1267e2e61ebab8b3063b234db
SHA14b6cc720b15990c1f1a7b102e5ced7e5ddb11ce0
SHA2563de538b525674a9412e62cdf89e5fdef96ec06eb1d929e7b9563aff8d49969fb
SHA5125a849fea034c98abf504da3d69ae1dcea7cd58a65a4ce0048f192f91e465c6a1cabc5716db535b162c68239f345a5f78ad4e4353ac377c0ce330f34be8576c50
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Filesize
4.0MB
MD5d8fb43a1267e2e61ebab8b3063b234db
SHA14b6cc720b15990c1f1a7b102e5ced7e5ddb11ce0
SHA2563de538b525674a9412e62cdf89e5fdef96ec06eb1d929e7b9563aff8d49969fb
SHA5125a849fea034c98abf504da3d69ae1dcea7cd58a65a4ce0048f192f91e465c6a1cabc5716db535b162c68239f345a5f78ad4e4353ac377c0ce330f34be8576c50
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C:\Users\Admin\AppData\Local\Temp\is-DQ5RL.tmp\a4b869f1b9f7ab472e2fef76c8b952db52cc71a84eb567d92f13eea21ac0ad71.tmp
Filesize683KB
MD5f507ce43ea08d1721816ad4b0e090f50
SHA1e4f02bcd410bddabea4c741838d9a88386547629
SHA256d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1
SHA51237b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693
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C:\Users\Admin\AppData\Local\Temp\is-DQ5RL.tmp\a4b869f1b9f7ab472e2fef76c8b952db52cc71a84eb567d92f13eea21ac0ad71.tmp
Filesize683KB
MD5f507ce43ea08d1721816ad4b0e090f50
SHA1e4f02bcd410bddabea4c741838d9a88386547629
SHA256d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1
SHA51237b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
13KB
MD5a813d18268affd4763dde940246dc7e5
SHA1c7366e1fd925c17cc6068001bd38eaef5b42852f
SHA256e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
SHA512b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4
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Filesize
13KB
MD5a813d18268affd4763dde940246dc7e5
SHA1c7366e1fd925c17cc6068001bd38eaef5b42852f
SHA256e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
SHA512b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4