Analysis
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max time kernel
153s -
max time network
160s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
28-06-2024 14:32
Static task
static1
Behavioral task
behavioral1
Sample
ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral2
Sample
ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.exe
Resource
win11-20240508-en
General
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Target
ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.exe
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Size
4.9MB
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MD5
df3ab9646942241f8f3097ec8e22f312
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SHA1
ddca2ae67957d3a7d6fdd0a9860ec90360ad5e8b
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SHA256
ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63
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SHA512
7bd87ec6a2301faffd601aa29d2c7ab3def9e838d0b646abe217035846f689006af177b1a25dfe26edbcf1408825c6fe56ea4c9abafce9acf7c41b9e5f64253f
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SSDEEP
98304:CB7SV3Obs0aDiog6rLw22eTG72H60I0MnLdp/QGKUvM14Qx3:1Mbs0Qvgw8MGR0MLn/55MSQl
Malware Config
Signatures
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Detect Socks5Systemz Payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/2900-90-0x0000000000850000-0x00000000008F1000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.tmptotalrecorderfree32.exetotalrecorderfree32.exepid process 4048 ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.tmp 488 totalrecorderfree32.exe 2900 totalrecorderfree32.exe -
Loads dropped DLL 1 IoCs
Processes:
ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.tmppid process 4048 ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.tmp -
Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
Processes:
description ioc Destination IP 141.98.234.31 -
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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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.tmppid process 4048 ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.exeac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.tmpdescription pid process target process PID 2332 wrote to memory of 4048 2332 ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.exe ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.tmp PID 2332 wrote to memory of 4048 2332 ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.exe ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.tmp PID 2332 wrote to memory of 4048 2332 ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.exe ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.tmp PID 4048 wrote to memory of 488 4048 ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.tmp totalrecorderfree32.exe PID 4048 wrote to memory of 488 4048 ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.tmp totalrecorderfree32.exe PID 4048 wrote to memory of 488 4048 ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.tmp totalrecorderfree32.exe PID 4048 wrote to memory of 2900 4048 ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.tmp totalrecorderfree32.exe PID 4048 wrote to memory of 2900 4048 ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.tmp totalrecorderfree32.exe PID 4048 wrote to memory of 2900 4048 ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.tmp totalrecorderfree32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.exe"C:\Users\Admin\AppData\Local\Temp\ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-FQR0P.tmp\ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.tmp"C:\Users\Admin\AppData\Local\Temp\is-FQR0P.tmp\ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.tmp" /SL5="$B0050,4915507,54272,C:\Users\Admin\AppData\Local\Temp\ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Total Recorder Free\totalrecorderfree32.exe"C:\Users\Admin\AppData\Local\Total Recorder Free\totalrecorderfree32.exe" -i3⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Total Recorder Free\totalrecorderfree32.exe"C:\Users\Admin\AppData\Local\Total Recorder Free\totalrecorderfree32.exe" -s3⤵
- Executes dropped EXE
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1328 --field-trial-handle=3060,i,1774866140584649235,8085848018931772189,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\is-EPEH8.tmp\_isetup\_iscrypt.dllFilesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-FQR0P.tmp\ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.tmpFilesize
680KB
MD530aac890bf700fefcd93022f840254b1
SHA170739b6caf72dd41b3b4cefd6ad2d4942db7ea2a
SHA256796212c565796f92a71eb1fc46cbe8e06a746f1da93a232ae58fcd500670f4f8
SHA512e954a5e610118163cbc471766d9d9f1a9dad95dc06b96cc3b7e9d695da1974e0ef57ab890d06e10bee25a055a022ddd17d63a2ef9919ffc3cee5c516b15567b2
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C:\Users\Admin\AppData\Local\Total Recorder Free\totalrecorderfree32.exeFilesize
3.4MB
MD557e6e48c920a316c9fd790a5c12714ea
SHA194cb960734aa22a57828fac573d2131eb1f1dff4
SHA2569535d40517813037a3de472298e69928b4444d303e618ede1c62ceb38fe27564
SHA512ca87eef9af109915c41c55edf649dd63e6831fc30cd93aa0c6d297dd09c48ebaf279e948697d10714ae5b48c9d65b24cff9a0e425bc69ca7d3aa789e51921009
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memory/488-67-0x0000000000400000-0x0000000000769000-memory.dmpFilesize
3.4MB
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memory/488-64-0x0000000000400000-0x0000000000769000-memory.dmpFilesize
3.4MB
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memory/488-63-0x0000000000400000-0x0000000000769000-memory.dmpFilesize
3.4MB
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memory/488-62-0x0000000000400000-0x0000000000769000-memory.dmpFilesize
3.4MB
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memory/2332-18-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/2332-7-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/2332-1-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/2332-2-0x0000000000401000-0x000000000040B000-memory.dmpFilesize
40KB
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memory/2900-76-0x0000000000400000-0x0000000000769000-memory.dmpFilesize
3.4MB
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memory/2900-80-0x0000000000400000-0x0000000000769000-memory.dmpFilesize
3.4MB
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memory/2900-70-0x0000000000400000-0x0000000000769000-memory.dmpFilesize
3.4MB
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memory/2900-108-0x0000000000400000-0x0000000000769000-memory.dmpFilesize
3.4MB
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memory/2900-74-0x0000000000400000-0x0000000000769000-memory.dmpFilesize
3.4MB
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memory/2900-105-0x0000000000400000-0x0000000000769000-memory.dmpFilesize
3.4MB
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memory/2900-77-0x0000000000400000-0x0000000000769000-memory.dmpFilesize
3.4MB
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memory/2900-112-0x0000000000400000-0x0000000000769000-memory.dmpFilesize
3.4MB
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memory/2900-83-0x0000000000400000-0x0000000000769000-memory.dmpFilesize
3.4MB
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memory/2900-87-0x0000000000400000-0x0000000000769000-memory.dmpFilesize
3.4MB
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memory/2900-89-0x0000000000400000-0x0000000000769000-memory.dmpFilesize
3.4MB
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memory/2900-90-0x0000000000850000-0x00000000008F1000-memory.dmpFilesize
644KB
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memory/2900-96-0x0000000000400000-0x0000000000769000-memory.dmpFilesize
3.4MB
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memory/2900-100-0x0000000000400000-0x0000000000769000-memory.dmpFilesize
3.4MB
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memory/2900-102-0x0000000000400000-0x0000000000769000-memory.dmpFilesize
3.4MB
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memory/4048-19-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/4048-72-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/4048-8-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB