Analysis
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max time kernel
143s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
19-06-2024 00:42
Static task
static1
Behavioral task
behavioral1
Sample
9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.exe
Resource
win10v2004-20240611-en
General
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Target
9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.exe
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Size
4.7MB
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MD5
b6325df74af5f5e5e7b4838ce53609c1
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SHA1
a79fffa55e75d88d4cd139586c5b400fbdbc8f1f
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SHA256
9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3
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SHA512
3bd3ed1abd651e8552b8d3fb3b678e6c4b66564540896ae3fc54552a798e60b57e53aa3b9471ec8567bfce5cfb69c8ce7ec02533a978b5861b1fb272435e5156
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SSDEEP
98304:mWjP0WOtMB+OZ+DFcml0hjDUDhRX2zbfrYabJ:LRIMYOZ2FcZqNmbs0
Malware Config
Extracted
socks5systemz
csxmilu.net
http://csxmilu.net/search/?q=67e28dd83f08f52f150eab187c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ae8889b5e4fa9281ae978f471ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff716c5e89d9a39
http://csxmilu.net/search/?q=67e28dd83f08f52f150eab187c27d78406abdd88be4b12eab517aa5c96bd86e892874e845a8bbc896c58e713bc90c91f36b5281fc235a925ed3e57d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee9d9d3eca679614
Signatures
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Detect Socks5Systemz Payload 3 IoCs
Processes:
resource yara_rule behavioral2/memory/1520-86-0x00000000025A0000-0x0000000002642000-memory.dmp family_socks5systemz behavioral2/memory/1520-109-0x00000000025A0000-0x0000000002642000-memory.dmp family_socks5systemz behavioral2/memory/1520-110-0x00000000025A0000-0x0000000002642000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Detects executables packed with VMProtect. 18 IoCs
Processes:
resource yara_rule behavioral2/memory/4576-61-0x0000000000400000-0x00000000006B4000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4576-62-0x0000000000400000-0x00000000006B4000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4576-65-0x0000000000400000-0x00000000006B4000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/1520-68-0x0000000000400000-0x00000000006B4000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/1520-71-0x0000000000400000-0x00000000006B4000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/1520-74-0x0000000000400000-0x00000000006B4000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/1520-77-0x0000000000400000-0x00000000006B4000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/1520-80-0x0000000000400000-0x00000000006B4000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/1520-83-0x0000000000400000-0x00000000006B4000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/1520-90-0x0000000000400000-0x00000000006B4000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/1520-93-0x0000000000400000-0x00000000006B4000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/1520-96-0x0000000000400000-0x00000000006B4000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/1520-99-0x0000000000400000-0x00000000006B4000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/1520-102-0x0000000000400000-0x00000000006B4000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/1520-105-0x0000000000400000-0x00000000006B4000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/1520-108-0x0000000000400000-0x00000000006B4000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/1520-114-0x0000000000400000-0x00000000006B4000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/1520-117-0x0000000000400000-0x00000000006B4000-memory.dmp INDICATOR_EXE_Packed_VMProtect -
Executes dropped EXE 3 IoCs
Processes:
9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.tmpmediaplayerrptuning.exemediaplayerrptuning.exepid process 3016 9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.tmp 4576 mediaplayerrptuning.exe 1520 mediaplayerrptuning.exe -
Loads dropped DLL 1 IoCs
Processes:
9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.tmppid process 3016 9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.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 45.155.250.90 -
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:
9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.tmppid process 3016 9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.exe9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.tmpdescription pid process target process PID 1720 wrote to memory of 3016 1720 9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.exe 9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.tmp PID 1720 wrote to memory of 3016 1720 9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.exe 9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.tmp PID 1720 wrote to memory of 3016 1720 9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.exe 9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.tmp PID 3016 wrote to memory of 4576 3016 9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.tmp mediaplayerrptuning.exe PID 3016 wrote to memory of 4576 3016 9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.tmp mediaplayerrptuning.exe PID 3016 wrote to memory of 4576 3016 9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.tmp mediaplayerrptuning.exe PID 3016 wrote to memory of 1520 3016 9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.tmp mediaplayerrptuning.exe PID 3016 wrote to memory of 1520 3016 9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.tmp mediaplayerrptuning.exe PID 3016 wrote to memory of 1520 3016 9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.tmp mediaplayerrptuning.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.exe"C:\Users\Admin\AppData\Local\Temp\9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1720 -
C:\Users\Admin\AppData\Local\Temp\is-CU8FN.tmp\9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.tmp"C:\Users\Admin\AppData\Local\Temp\is-CU8FN.tmp\9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.tmp" /SL5="$501FA,4673255,54272,C:\Users\Admin\AppData\Local\Temp\9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3016 -
C:\Users\Admin\AppData\Local\Media Player RPTuning\mediaplayerrptuning.exe"C:\Users\Admin\AppData\Local\Media Player RPTuning\mediaplayerrptuning.exe" -i3⤵
- Executes dropped EXE
PID:4576 -
C:\Users\Admin\AppData\Local\Media Player RPTuning\mediaplayerrptuning.exe"C:\Users\Admin\AppData\Local\Media Player RPTuning\mediaplayerrptuning.exe" -s3⤵
- Executes dropped EXE
PID:1520
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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 --field-trial-handle=4380,i,18320353784098040629,17273168055569331828,262144 --variations-seed-version --mojo-platform-channel-handle=4368 /prefetch:81⤵PID:2300
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Media Player RPTuning\mediaplayerrptuning.exeFilesize
2.7MB
MD561c1f991cb2ede4331845096ab647d7d
SHA1c6ddf2a55cb17a4058eb2e6df01588da9a96e438
SHA2564647112b7dcb85584fdb64f23392101a1e68bbcdc85a00120addf45cda9cf905
SHA5122e258f29da5a1c04a6d31e8a1a0130b400d62ec21f754150c90e05806896650fad04f79a08f0eb8aeaa36a10a9737243d9866e6c3a2eb20b08dd607863c38345
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C:\Users\Admin\AppData\Local\Temp\is-9N8UU.tmp\_isetup\_iscrypt.dllFilesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-CU8FN.tmp\9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.tmpFilesize
680KB
MD52883ddf6925173ecfb8e9a320997b71f
SHA15fabceccfcb78c09cd291f7727788b68fe4fd745
SHA256e331e923521bb37183ec3df450330a19a138ac693fdb00ef7d6a4bfdd42c4f8d
SHA512e8fb787977a66c5580e7dc85e1711a152bcd66fa05cfc79be4cf85eda097414bcd82945684b5f9c9126a3abcff111bf58f271bf0189ea6bc632d3126528925ba
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memory/1520-96-0x0000000000400000-0x00000000006B4000-memory.dmpFilesize
2.7MB
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memory/1520-80-0x0000000000400000-0x00000000006B4000-memory.dmpFilesize
2.7MB
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memory/1520-117-0x0000000000400000-0x00000000006B4000-memory.dmpFilesize
2.7MB
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memory/1520-114-0x0000000000400000-0x00000000006B4000-memory.dmpFilesize
2.7MB
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memory/1520-110-0x00000000025A0000-0x0000000002642000-memory.dmpFilesize
648KB
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memory/1520-109-0x00000000025A0000-0x0000000002642000-memory.dmpFilesize
648KB
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memory/1520-108-0x0000000000400000-0x00000000006B4000-memory.dmpFilesize
2.7MB
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memory/1520-68-0x0000000000400000-0x00000000006B4000-memory.dmpFilesize
2.7MB
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memory/1520-105-0x0000000000400000-0x00000000006B4000-memory.dmpFilesize
2.7MB
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memory/1520-102-0x0000000000400000-0x00000000006B4000-memory.dmpFilesize
2.7MB
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memory/1520-71-0x0000000000400000-0x00000000006B4000-memory.dmpFilesize
2.7MB
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memory/1520-74-0x0000000000400000-0x00000000006B4000-memory.dmpFilesize
2.7MB
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memory/1520-77-0x0000000000400000-0x00000000006B4000-memory.dmpFilesize
2.7MB
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memory/1520-99-0x0000000000400000-0x00000000006B4000-memory.dmpFilesize
2.7MB
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memory/1520-83-0x0000000000400000-0x00000000006B4000-memory.dmpFilesize
2.7MB
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memory/1520-86-0x00000000025A0000-0x0000000002642000-memory.dmpFilesize
648KB
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memory/1520-90-0x0000000000400000-0x00000000006B4000-memory.dmpFilesize
2.7MB
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memory/1520-93-0x0000000000400000-0x00000000006B4000-memory.dmpFilesize
2.7MB
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memory/1720-3-0x0000000000401000-0x000000000040B000-memory.dmpFilesize
40KB
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memory/1720-69-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/1720-0-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/3016-12-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/3016-70-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/4576-65-0x0000000000400000-0x00000000006B4000-memory.dmpFilesize
2.7MB
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memory/4576-62-0x0000000000400000-0x00000000006B4000-memory.dmpFilesize
2.7MB
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memory/4576-61-0x0000000000400000-0x00000000006B4000-memory.dmpFilesize
2.7MB
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memory/4576-59-0x0000000000400000-0x00000000006B4000-memory.dmpFilesize
2.7MB