Analysis
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max time kernel
292s -
max time network
298s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
13-06-2024 23:59
Static task
static1
Behavioral task
behavioral1
Sample
d4214b56750d64b0017cf5a4ac3174065c525e6d16fb9a59fdbbb6447d78bc8d.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
d4214b56750d64b0017cf5a4ac3174065c525e6d16fb9a59fdbbb6447d78bc8d.exe
Resource
win10-20240404-en
General
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Target
d4214b56750d64b0017cf5a4ac3174065c525e6d16fb9a59fdbbb6447d78bc8d.exe
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Size
4.7MB
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MD5
1e69e6acbf2df4c9f67f144423a46249
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SHA1
d380366b2a7d4532532b1085cc64196194980a31
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SHA256
d4214b56750d64b0017cf5a4ac3174065c525e6d16fb9a59fdbbb6447d78bc8d
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SHA512
c8d1ac54655c99d2a17abff341ea7cb2884370ec145116191992561153956c5a048f6c99008e87c0b31249207474b64868ecde1ee6ecc70878741135defa3e6a
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SSDEEP
98304:mGgysOpXKUUahEufbe9sP/OyP6Sj6abonRvyTodoOductUcEPe/3lXLvIyl6:tPKUh5be9sP/zCqKRvyovucttEgXLvE
Malware Config
Extracted
socks5systemz
dtaqaea.info
http://dtaqaea.info/search/?q=67e28dd86809f27b415ba51b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa1de8889b5e4fa9281ae978a771ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff712c2ec979e3d
http://dtaqaea.info/search/?q=67e28dd86809f27b415ba51b7c27d78406abdd88be4b12eab517aa5c96bd86eb908745835a8bbc896c58e713bc90c94836b5281fc235a925ed3e04d6bd974a95129070b616e96cc92be510b866db52bee348ee4c2b14a82966836f23d7f210c7ee9d9939ce6d9210
Signatures
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Detect Socks5Systemz Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/2168-83-0x0000000002240000-0x00000000022E2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
d4214b56750d64b0017cf5a4ac3174065c525e6d16fb9a59fdbbb6447d78bc8d.tmplesserextent32.exelesserextent32.exepid process 5056 d4214b56750d64b0017cf5a4ac3174065c525e6d16fb9a59fdbbb6447d78bc8d.tmp 220 lesserextent32.exe 2168 lesserextent32.exe -
Loads dropped DLL 1 IoCs
Processes:
d4214b56750d64b0017cf5a4ac3174065c525e6d16fb9a59fdbbb6447d78bc8d.tmppid process 5056 d4214b56750d64b0017cf5a4ac3174065c525e6d16fb9a59fdbbb6447d78bc8d.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 152.89.198.214 -
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:
d4214b56750d64b0017cf5a4ac3174065c525e6d16fb9a59fdbbb6447d78bc8d.tmppid process 5056 d4214b56750d64b0017cf5a4ac3174065c525e6d16fb9a59fdbbb6447d78bc8d.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
d4214b56750d64b0017cf5a4ac3174065c525e6d16fb9a59fdbbb6447d78bc8d.exed4214b56750d64b0017cf5a4ac3174065c525e6d16fb9a59fdbbb6447d78bc8d.tmpdescription pid process target process PID 5064 wrote to memory of 5056 5064 d4214b56750d64b0017cf5a4ac3174065c525e6d16fb9a59fdbbb6447d78bc8d.exe d4214b56750d64b0017cf5a4ac3174065c525e6d16fb9a59fdbbb6447d78bc8d.tmp PID 5064 wrote to memory of 5056 5064 d4214b56750d64b0017cf5a4ac3174065c525e6d16fb9a59fdbbb6447d78bc8d.exe d4214b56750d64b0017cf5a4ac3174065c525e6d16fb9a59fdbbb6447d78bc8d.tmp PID 5064 wrote to memory of 5056 5064 d4214b56750d64b0017cf5a4ac3174065c525e6d16fb9a59fdbbb6447d78bc8d.exe d4214b56750d64b0017cf5a4ac3174065c525e6d16fb9a59fdbbb6447d78bc8d.tmp PID 5056 wrote to memory of 220 5056 d4214b56750d64b0017cf5a4ac3174065c525e6d16fb9a59fdbbb6447d78bc8d.tmp lesserextent32.exe PID 5056 wrote to memory of 220 5056 d4214b56750d64b0017cf5a4ac3174065c525e6d16fb9a59fdbbb6447d78bc8d.tmp lesserextent32.exe PID 5056 wrote to memory of 220 5056 d4214b56750d64b0017cf5a4ac3174065c525e6d16fb9a59fdbbb6447d78bc8d.tmp lesserextent32.exe PID 5056 wrote to memory of 2168 5056 d4214b56750d64b0017cf5a4ac3174065c525e6d16fb9a59fdbbb6447d78bc8d.tmp lesserextent32.exe PID 5056 wrote to memory of 2168 5056 d4214b56750d64b0017cf5a4ac3174065c525e6d16fb9a59fdbbb6447d78bc8d.tmp lesserextent32.exe PID 5056 wrote to memory of 2168 5056 d4214b56750d64b0017cf5a4ac3174065c525e6d16fb9a59fdbbb6447d78bc8d.tmp lesserextent32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\d4214b56750d64b0017cf5a4ac3174065c525e6d16fb9a59fdbbb6447d78bc8d.exe"C:\Users\Admin\AppData\Local\Temp\d4214b56750d64b0017cf5a4ac3174065c525e6d16fb9a59fdbbb6447d78bc8d.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:5064 -
C:\Users\Admin\AppData\Local\Temp\is-KKQ97.tmp\d4214b56750d64b0017cf5a4ac3174065c525e6d16fb9a59fdbbb6447d78bc8d.tmp"C:\Users\Admin\AppData\Local\Temp\is-KKQ97.tmp\d4214b56750d64b0017cf5a4ac3174065c525e6d16fb9a59fdbbb6447d78bc8d.tmp" /SL5="$50236,4669352,54272,C:\Users\Admin\AppData\Local\Temp\d4214b56750d64b0017cf5a4ac3174065c525e6d16fb9a59fdbbb6447d78bc8d.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:5056 -
C:\Users\Admin\AppData\Local\Lesser Extent\lesserextent32.exe"C:\Users\Admin\AppData\Local\Lesser Extent\lesserextent32.exe" -i3⤵
- Executes dropped EXE
PID:220 -
C:\Users\Admin\AppData\Local\Lesser Extent\lesserextent32.exe"C:\Users\Admin\AppData\Local\Lesser Extent\lesserextent32.exe" -s3⤵
- Executes dropped EXE
PID:2168
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Lesser Extent\lesserextent32.exeFilesize
2.8MB
MD5e5b9a7daea56db2751adab767a338f92
SHA1c59054ec56da771a8da204bf4a2de0d62d856673
SHA256c5fc309cfd4d9814d77f7b8e736f4e08d594448973a903dd1ca8e2b5e112cb22
SHA5122947d05c1ff8c969c0147000ffb8575b7883c6dc312a88be15345a7a6c443a77dba581f4c3c5d31f69041b2df49ec9a7c58d095722559df939f3b71e0bcf381e
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C:\Users\Admin\AppData\Local\Temp\is-KKQ97.tmp\d4214b56750d64b0017cf5a4ac3174065c525e6d16fb9a59fdbbb6447d78bc8d.tmpFilesize
680KB
MD5dff4f58a01a8e88e4a2f821ca761d901
SHA1e67e24669220213f895b68c0d662b02b03469b4a
SHA25691b049634c65dbe18368e1f2ead4ae48f62b92fdfcd119ccea0919b68bf56e76
SHA512049cebaa8bc30f2b7b90a49f6022271247fab2a3bc0fd2e9f36d1f27e0c37926f00deedd92b5d85a8b34f2f6e9b59ee3b7e12510cfa720935a86ba820132817a
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\Users\Admin\AppData\Local\Temp\is-H9IGD.tmp\_isetup\_iscrypt.dllFilesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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memory/220-59-0x0000000000400000-0x00000000006C4000-memory.dmpFilesize
2.8MB
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memory/220-63-0x0000000000400000-0x00000000006C4000-memory.dmpFilesize
2.8MB
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memory/220-60-0x0000000000400000-0x00000000006C4000-memory.dmpFilesize
2.8MB
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memory/2168-81-0x0000000000400000-0x00000000006C4000-memory.dmpFilesize
2.8MB
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memory/2168-91-0x0000000000400000-0x00000000006C4000-memory.dmpFilesize
2.8MB
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memory/2168-128-0x0000000000400000-0x00000000006C4000-memory.dmpFilesize
2.8MB
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memory/2168-66-0x0000000000400000-0x00000000006C4000-memory.dmpFilesize
2.8MB
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memory/2168-125-0x0000000000400000-0x00000000006C4000-memory.dmpFilesize
2.8MB
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memory/2168-122-0x0000000000400000-0x00000000006C4000-memory.dmpFilesize
2.8MB
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memory/2168-69-0x0000000000400000-0x00000000006C4000-memory.dmpFilesize
2.8MB
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memory/2168-72-0x0000000000400000-0x00000000006C4000-memory.dmpFilesize
2.8MB
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memory/2168-75-0x0000000000400000-0x00000000006C4000-memory.dmpFilesize
2.8MB
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memory/2168-78-0x0000000000400000-0x00000000006C4000-memory.dmpFilesize
2.8MB
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memory/2168-119-0x0000000000400000-0x00000000006C4000-memory.dmpFilesize
2.8MB
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memory/2168-83-0x0000000002240000-0x00000000022E2000-memory.dmpFilesize
648KB
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memory/2168-86-0x0000000000400000-0x00000000006C4000-memory.dmpFilesize
2.8MB
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memory/2168-116-0x0000000000400000-0x00000000006C4000-memory.dmpFilesize
2.8MB
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memory/2168-94-0x0000000000400000-0x00000000006C4000-memory.dmpFilesize
2.8MB
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memory/2168-97-0x0000000000400000-0x00000000006C4000-memory.dmpFilesize
2.8MB
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memory/2168-100-0x0000000000400000-0x00000000006C4000-memory.dmpFilesize
2.8MB
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memory/2168-103-0x0000000000400000-0x00000000006C4000-memory.dmpFilesize
2.8MB
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memory/2168-106-0x0000000000400000-0x00000000006C4000-memory.dmpFilesize
2.8MB
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memory/2168-109-0x0000000000400000-0x00000000006C4000-memory.dmpFilesize
2.8MB
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memory/2168-113-0x0000000000400000-0x00000000006C4000-memory.dmpFilesize
2.8MB
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memory/5056-16-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/5056-68-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/5064-0-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/5064-67-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/5064-3-0x0000000000401000-0x000000000040B000-memory.dmpFilesize
40KB