Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
24/03/2024, 18:24
Static task
static1
Behavioral task
behavioral1
Sample
70954c38bf2bd7d8b250e99cd4fda9ca229ec45b11536acedbd1de638ae30da7.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
70954c38bf2bd7d8b250e99cd4fda9ca229ec45b11536acedbd1de638ae30da7.exe
Resource
win10v2004-20240226-en
General
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Target
70954c38bf2bd7d8b250e99cd4fda9ca229ec45b11536acedbd1de638ae30da7.exe
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Size
2.2MB
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MD5
7e73912ed93da7fec76cf2dc5b02a619
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SHA1
f41dab4f82d074ebb604c359f19ee17365bfebbf
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SHA256
70954c38bf2bd7d8b250e99cd4fda9ca229ec45b11536acedbd1de638ae30da7
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SHA512
d94c839f4d7c296a7b55b03b4694a38261b86695afbac92a921894f044db75219100a6f5590b1704a8b13a3355afc1596f817131b625282a4fe004bf17f5d814
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SSDEEP
49152:32qdexQWtsW8e1kD9XgbaF2TtOM9UlNQ8qQ1gVWWqjxPAI:mqdexRCe1kJgW2BOV75sqNPAI
Malware Config
Extracted
socks5systemz
http://erhfitp.ua/search/?q=67e28dd86a5cf47e155fff1a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978ff71ea771795af8e05c642db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe12c0eb92993d
Signatures
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Detect Socks5Systemz Payload 2 IoCs
resource yara_rule behavioral2/memory/4976-67-0x00000000008E0000-0x0000000000982000-memory.dmp family_socks5systemz behavioral2/memory/4976-77-0x00000000008E0000-0x0000000000982000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 3020 70954c38bf2bd7d8b250e99cd4fda9ca229ec45b11536acedbd1de638ae30da7.tmp 3176 sitefreeedition.exe 4976 sitefreeedition.exe -
Loads dropped DLL 1 IoCs
pid Process 3020 70954c38bf2bd7d8b250e99cd4fda9ca229ec45b11536acedbd1de638ae30da7.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 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 WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4272 wrote to memory of 3020 4272 70954c38bf2bd7d8b250e99cd4fda9ca229ec45b11536acedbd1de638ae30da7.exe 88 PID 4272 wrote to memory of 3020 4272 70954c38bf2bd7d8b250e99cd4fda9ca229ec45b11536acedbd1de638ae30da7.exe 88 PID 4272 wrote to memory of 3020 4272 70954c38bf2bd7d8b250e99cd4fda9ca229ec45b11536acedbd1de638ae30da7.exe 88 PID 3020 wrote to memory of 3176 3020 70954c38bf2bd7d8b250e99cd4fda9ca229ec45b11536acedbd1de638ae30da7.tmp 90 PID 3020 wrote to memory of 3176 3020 70954c38bf2bd7d8b250e99cd4fda9ca229ec45b11536acedbd1de638ae30da7.tmp 90 PID 3020 wrote to memory of 3176 3020 70954c38bf2bd7d8b250e99cd4fda9ca229ec45b11536acedbd1de638ae30da7.tmp 90 PID 3020 wrote to memory of 4976 3020 70954c38bf2bd7d8b250e99cd4fda9ca229ec45b11536acedbd1de638ae30da7.tmp 92 PID 3020 wrote to memory of 4976 3020 70954c38bf2bd7d8b250e99cd4fda9ca229ec45b11536acedbd1de638ae30da7.tmp 92 PID 3020 wrote to memory of 4976 3020 70954c38bf2bd7d8b250e99cd4fda9ca229ec45b11536acedbd1de638ae30da7.tmp 92
Processes
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C:\Users\Admin\AppData\Local\Temp\70954c38bf2bd7d8b250e99cd4fda9ca229ec45b11536acedbd1de638ae30da7.exe"C:\Users\Admin\AppData\Local\Temp\70954c38bf2bd7d8b250e99cd4fda9ca229ec45b11536acedbd1de638ae30da7.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4272 -
C:\Users\Admin\AppData\Local\Temp\is-87AI9.tmp\70954c38bf2bd7d8b250e99cd4fda9ca229ec45b11536acedbd1de638ae30da7.tmp"C:\Users\Admin\AppData\Local\Temp\is-87AI9.tmp\70954c38bf2bd7d8b250e99cd4fda9ca229ec45b11536acedbd1de638ae30da7.tmp" /SL5="$70222,1969563,54272,C:\Users\Admin\AppData\Local\Temp\70954c38bf2bd7d8b250e99cd4fda9ca229ec45b11536acedbd1de638ae30da7.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3020 -
C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe"C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe" -i3⤵
- Executes dropped EXE
PID:3176
-
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C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe"C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe" -s3⤵
- Executes dropped EXE
PID:4976
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.2MB
MD5e1d202e50127298350c4bb7d60e3ed16
SHA17a79d0d549c4fb32f8db6c8f240cc9585ecd1d15
SHA2561b2e36c40493eeb0ccc7b818fef0f9ab3ff6a1e0a87555500d2f7744f200d631
SHA512db0c47b025fa2f23b919de518f37481f46b3417a8d8d4651bf7cd01dee6b641e0857a953b1d420d46861613a21855dd8ed8ea54b58af19ceb3520daab3c51708
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Filesize
1.1MB
MD56f2474baf4f402e9c87ced7ec6a19d64
SHA1fce287f2ba2e90c61175a3920e49c0bac5cbf8e1
SHA25602f584f3a384288741299535b7495b50ae94562d5509dd5166f7b415651a91c2
SHA512d9a2740bf495796b65dd84bf3c2b94e84ed7b8f3aace54f134d7aab1026a1fd86674297131b40efb054df67fadb7d305a328e42ed6306ed6959b5c525c4f4261
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Filesize
512KB
MD5b9162dd50a1bbe09564940597ea3bdcd
SHA14bb08413267de1309bf997c7b4143680aeaee9c0
SHA25666a8a78e41fdd8aa131032b1344343afdf9a2c85c13c96df550b2a98c7dbb07d
SHA51294db54646e436cbc9fe070bbd867c01d4f77865b9a8f6c0008548243e7d651e8d25869f17c311364a6c499bc4839d2141c7d12eeee0fbf1a41b2b7fcc09e77ec
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C:\Users\Admin\AppData\Local\Temp\is-87AI9.tmp\70954c38bf2bd7d8b250e99cd4fda9ca229ec45b11536acedbd1de638ae30da7.tmp
Filesize677KB
MD55a1e3d46cb5a24f8e50b2a59d2ba1cf3
SHA1fe86894c4757c144449bc744649b7fb9e03346f1
SHA256d3a2c2ce7d70b3b9c30faf3f72bf4ebcdea8f331d6b6cac5dae906327997985d
SHA512a27dc5c443abb31826b14e514aa717be5bf0f548b82170f79705f45ca28abaedc485c5b8738044735f61eca9e1f0ca659b519a3947551404085d07202ae709af
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63