Analysis
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max time kernel
143s -
max time network
137s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
09-06-2024 01:40
Static task
static1
Behavioral task
behavioral1
Sample
99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.exe
Resource
win10v2004-20240426-en
General
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Target
99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.exe
-
Size
4.7MB
-
MD5
9b1176e24facc6e241ad25eaa864e746
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SHA1
12746866303969d21b32ea5950ef7f429dc61513
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SHA256
99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b
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SHA512
df6b0ed0e7883bfbe531ec8dcf6baa8e9b1b85c30ceaa400286ffafa0076c6f3353830a13a94410c9d4b050f2efe1973d1600cade419a06d359a3dae36eb5aef
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SSDEEP
98304:mTChVFZg8XPK2LrLUMdmqIQ107Tz9zNVaJcoqaeQ8+An6:eCLFSOPtLnI17VNMeoqnnG
Malware Config
Extracted
socks5systemz
ccdigjh.net
http://ccdigjh.net/search/?q=67e28dd8690cfb204406a51a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa49e8889b5e4fa9281ae978fe71ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6086f616c3ee9d
Signatures
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Detect Socks5Systemz Payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/2628-92-0x0000000002290000-0x0000000002332000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Detects executables packed with VMProtect. 16 IoCs
Processes:
resource yara_rule behavioral1/memory/2488-66-0x0000000000400000-0x00000000006C5000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral1/memory/2488-69-0x0000000000400000-0x00000000006C5000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral1/memory/2628-75-0x0000000000400000-0x00000000006C5000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral1/memory/2628-79-0x0000000000400000-0x00000000006C5000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral1/memory/2628-82-0x0000000000400000-0x00000000006C5000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral1/memory/2628-85-0x0000000000400000-0x00000000006C5000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral1/memory/2628-88-0x0000000000400000-0x00000000006C5000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral1/memory/2628-91-0x0000000000400000-0x00000000006C5000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral1/memory/2628-98-0x0000000000400000-0x00000000006C5000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral1/memory/2628-101-0x0000000000400000-0x00000000006C5000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral1/memory/2628-104-0x0000000000400000-0x00000000006C5000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral1/memory/2628-107-0x0000000000400000-0x00000000006C5000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral1/memory/2628-110-0x0000000000400000-0x00000000006C5000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral1/memory/2628-113-0x0000000000400000-0x00000000006C5000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral1/memory/2628-117-0x0000000000400000-0x00000000006C5000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral1/memory/2628-120-0x0000000000400000-0x00000000006C5000-memory.dmp INDICATOR_EXE_Packed_VMProtect -
Executes dropped EXE 3 IoCs
Processes:
99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.tmplesserextent32.exelesserextent32.exepid process 1692 99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.tmp 2488 lesserextent32.exe 2628 lesserextent32.exe -
Loads dropped DLL 5 IoCs
Processes:
99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.exe99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.tmppid process 2188 99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.exe 1692 99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.tmp 1692 99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.tmp 1692 99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.tmp 1692 99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.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:
99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.tmppid process 1692 99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.tmp -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.exe99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.tmpdescription pid process target process PID 2188 wrote to memory of 1692 2188 99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.exe 99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.tmp PID 2188 wrote to memory of 1692 2188 99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.exe 99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.tmp PID 2188 wrote to memory of 1692 2188 99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.exe 99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.tmp PID 2188 wrote to memory of 1692 2188 99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.exe 99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.tmp PID 2188 wrote to memory of 1692 2188 99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.exe 99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.tmp PID 2188 wrote to memory of 1692 2188 99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.exe 99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.tmp PID 2188 wrote to memory of 1692 2188 99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.exe 99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.tmp PID 1692 wrote to memory of 2488 1692 99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.tmp lesserextent32.exe PID 1692 wrote to memory of 2488 1692 99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.tmp lesserextent32.exe PID 1692 wrote to memory of 2488 1692 99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.tmp lesserextent32.exe PID 1692 wrote to memory of 2488 1692 99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.tmp lesserextent32.exe PID 1692 wrote to memory of 2628 1692 99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.tmp lesserextent32.exe PID 1692 wrote to memory of 2628 1692 99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.tmp lesserextent32.exe PID 1692 wrote to memory of 2628 1692 99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.tmp lesserextent32.exe PID 1692 wrote to memory of 2628 1692 99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.tmp lesserextent32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.exe"C:\Users\Admin\AppData\Local\Temp\99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2188 -
C:\Users\Admin\AppData\Local\Temp\is-RQGNV.tmp\99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.tmp"C:\Users\Admin\AppData\Local\Temp\is-RQGNV.tmp\99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.tmp" /SL5="$40026,4667057,54272,C:\Users\Admin\AppData\Local\Temp\99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1692 -
C:\Users\Admin\AppData\Local\Lesser Extent\lesserextent32.exe"C:\Users\Admin\AppData\Local\Lesser Extent\lesserextent32.exe" -i3⤵
- Executes dropped EXE
PID:2488 -
C:\Users\Admin\AppData\Local\Lesser Extent\lesserextent32.exe"C:\Users\Admin\AppData\Local\Lesser Extent\lesserextent32.exe" -s3⤵
- Executes dropped EXE
PID:2628
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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\Users\Admin\AppData\Local\Lesser Extent\lesserextent32.exeFilesize
2.8MB
MD52a761f4fbde370399cfb8a3df34306dd
SHA1e2fa78cb38aa55ca48f337d22afc862016772bcf
SHA25609137001d363739719cd2fcb03f496861e4cf95fce651db08ebc2f153c36060c
SHA5123564aa2c9c7864e9dca0e9c0c57485028714c8824bd5234395cfac0b17f6e88979417d5ddf0e491857c02bfab4d247ae915b0b70c6f0e7bdae655b05fa45d8d6
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\Users\Admin\AppData\Local\Temp\is-RQGNV.tmp\99d02207061f8cd1bb41dfc5ce4891f5913bdf35498e043c7d8c2b9ceee2c00b.tmpFilesize
680KB
MD5dff4f58a01a8e88e4a2f821ca761d901
SHA1e67e24669220213f895b68c0d662b02b03469b4a
SHA25691b049634c65dbe18368e1f2ead4ae48f62b92fdfcd119ccea0919b68bf56e76
SHA512049cebaa8bc30f2b7b90a49f6022271247fab2a3bc0fd2e9f36d1f27e0c37926f00deedd92b5d85a8b34f2f6e9b59ee3b7e12510cfa720935a86ba820132817a
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\Users\Admin\AppData\Local\Temp\is-S79G3.tmp\_isetup\_iscrypt.dllFilesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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\Users\Admin\AppData\Local\Temp\is-S79G3.tmp\_isetup\_shfoldr.dllFilesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
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memory/1692-16-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/1692-63-0x00000000033D0000-0x0000000003695000-memory.dmpFilesize
2.8MB
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memory/1692-78-0x00000000033D0000-0x0000000003695000-memory.dmpFilesize
2.8MB
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memory/1692-74-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/2188-0-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/2188-2-0x0000000000401000-0x000000000040B000-memory.dmpFilesize
40KB
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memory/2188-73-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/2488-65-0x0000000000400000-0x00000000006C5000-memory.dmpFilesize
2.8MB
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memory/2488-66-0x0000000000400000-0x00000000006C5000-memory.dmpFilesize
2.8MB
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memory/2488-69-0x0000000000400000-0x00000000006C5000-memory.dmpFilesize
2.8MB
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memory/2628-75-0x0000000000400000-0x00000000006C5000-memory.dmpFilesize
2.8MB
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memory/2628-92-0x0000000002290000-0x0000000002332000-memory.dmpFilesize
648KB
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memory/2628-79-0x0000000000400000-0x00000000006C5000-memory.dmpFilesize
2.8MB
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memory/2628-82-0x0000000000400000-0x00000000006C5000-memory.dmpFilesize
2.8MB
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memory/2628-85-0x0000000000400000-0x00000000006C5000-memory.dmpFilesize
2.8MB
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memory/2628-88-0x0000000000400000-0x00000000006C5000-memory.dmpFilesize
2.8MB
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memory/2628-91-0x0000000000400000-0x00000000006C5000-memory.dmpFilesize
2.8MB
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memory/2628-71-0x0000000000400000-0x00000000006C5000-memory.dmpFilesize
2.8MB
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memory/2628-98-0x0000000000400000-0x00000000006C5000-memory.dmpFilesize
2.8MB
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memory/2628-101-0x0000000000400000-0x00000000006C5000-memory.dmpFilesize
2.8MB
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memory/2628-104-0x0000000000400000-0x00000000006C5000-memory.dmpFilesize
2.8MB
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memory/2628-107-0x0000000000400000-0x00000000006C5000-memory.dmpFilesize
2.8MB
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memory/2628-110-0x0000000000400000-0x00000000006C5000-memory.dmpFilesize
2.8MB
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memory/2628-113-0x0000000000400000-0x00000000006C5000-memory.dmpFilesize
2.8MB
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memory/2628-117-0x0000000000400000-0x00000000006C5000-memory.dmpFilesize
2.8MB
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memory/2628-120-0x0000000000400000-0x00000000006C5000-memory.dmpFilesize
2.8MB