Analysis
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max time kernel
150s -
max time network
151s -
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, 18:21
Static task
static1
Behavioral task
behavioral1
Sample
70954c38bf2bd7d8b250e99cd4fda9ca229ec45b11536acedbd1de638ae30da7.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral2
Sample
70954c38bf2bd7d8b250e99cd4fda9ca229ec45b11536acedbd1de638ae30da7.exe
Resource
win11-20240221-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://buruwwd.com/search/?q=67e28dd86c0ea7794406f94d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa44e8889b5e4fa9281ae978f671ea771795af8e05c642db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe12c0eb90993c
http://buruwwd.com/search/?q=67e28dd86c0ea7794406f94d7c27d78406abdd88be4b12eab517aa5c96bd86e490874896148ab2865b77f80ebad9cc0f7cb63037ed2ab423a4334383ba915d911ec07bb106a0708727e40ea678c45abbe74ffb0e2807e12571c17f3e83fe16c1ee969a3fc86c91
Signatures
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Detect Socks5Systemz Payload 4 IoCs
resource yara_rule behavioral1/memory/5008-65-0x00000000008E0000-0x0000000000982000-memory.dmp family_socks5systemz behavioral1/memory/5008-76-0x00000000008E0000-0x0000000000982000-memory.dmp family_socks5systemz behavioral1/memory/5008-89-0x00000000008E0000-0x0000000000982000-memory.dmp family_socks5systemz behavioral1/memory/5008-90-0x00000000008E0000-0x0000000000982000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 760 70954c38bf2bd7d8b250e99cd4fda9ca229ec45b11536acedbd1de638ae30da7.tmp 3880 sitefreeedition.exe 5008 sitefreeedition.exe -
Loads dropped DLL 1 IoCs
pid Process 760 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 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 WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4984 wrote to memory of 760 4984 70954c38bf2bd7d8b250e99cd4fda9ca229ec45b11536acedbd1de638ae30da7.exe 87 PID 4984 wrote to memory of 760 4984 70954c38bf2bd7d8b250e99cd4fda9ca229ec45b11536acedbd1de638ae30da7.exe 87 PID 4984 wrote to memory of 760 4984 70954c38bf2bd7d8b250e99cd4fda9ca229ec45b11536acedbd1de638ae30da7.exe 87 PID 760 wrote to memory of 3880 760 70954c38bf2bd7d8b250e99cd4fda9ca229ec45b11536acedbd1de638ae30da7.tmp 89 PID 760 wrote to memory of 3880 760 70954c38bf2bd7d8b250e99cd4fda9ca229ec45b11536acedbd1de638ae30da7.tmp 89 PID 760 wrote to memory of 3880 760 70954c38bf2bd7d8b250e99cd4fda9ca229ec45b11536acedbd1de638ae30da7.tmp 89 PID 760 wrote to memory of 5008 760 70954c38bf2bd7d8b250e99cd4fda9ca229ec45b11536acedbd1de638ae30da7.tmp 91 PID 760 wrote to memory of 5008 760 70954c38bf2bd7d8b250e99cd4fda9ca229ec45b11536acedbd1de638ae30da7.tmp 91 PID 760 wrote to memory of 5008 760 70954c38bf2bd7d8b250e99cd4fda9ca229ec45b11536acedbd1de638ae30da7.tmp 91
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:4984 -
C:\Users\Admin\AppData\Local\Temp\is-KKI1A.tmp\70954c38bf2bd7d8b250e99cd4fda9ca229ec45b11536acedbd1de638ae30da7.tmp"C:\Users\Admin\AppData\Local\Temp\is-KKI1A.tmp\70954c38bf2bd7d8b250e99cd4fda9ca229ec45b11536acedbd1de638ae30da7.tmp" /SL5="$13002C,1969563,54272,C:\Users\Admin\AppData\Local\Temp\70954c38bf2bd7d8b250e99cd4fda9ca229ec45b11536acedbd1de638ae30da7.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:760 -
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:3880
-
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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:5008
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2.2MB
MD56a4f0286963b6654a1015a20f9cd194e
SHA1098d0aba2c89da4ebd1a1a81879cb7424216d746
SHA25623082683343623420d29cd13e9e6190f8604a800117b162696899dd4f75291b3
SHA512c5df65ea84af160847772496f142f03f64c453a232b09e4681b34967e2631f39f749cf904b5d3a79c865f15f6a6767db00f1463c45d4ba353370a53bdce9c724
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Filesize
1.8MB
MD5cb03eb55275c0a4cee10df830f56a1b1
SHA1a6f41741b181c8b511b79cbf543de102e3930be2
SHA25612dd7c69a48b42ddfbd108f1fdc59c2f18cb98a78ef6bf496450e12bac5b95ba
SHA512e4a3373cea0cb23a0a61a3936c0266ececfb86cd6b28231c163e9a9d3e89eeb07e452d4a13418958d83844b16c33dd68c30b1be95d8722562c3ff56e3f0b1ab9
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Filesize
1.4MB
MD595c9f34d716ce2f008bf966c94e734c1
SHA1ee8e8f499f25b347b2db830cf7a4666d00793aa1
SHA256cc5fad9631398a1dae18e33712926a9113185133c82aa7a6a63fee7468607c0a
SHA5127fb43abd7e53762125ea4dc685827ec9ed16dfe5560235a3d609ee68f80fd3c5fb192f1e24df169ef5789cc3555a763885d82d1cb7030deb38ad5ee7d7e4bd24
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-KKI1A.tmp\70954c38bf2bd7d8b250e99cd4fda9ca229ec45b11536acedbd1de638ae30da7.tmp
Filesize677KB
MD55a1e3d46cb5a24f8e50b2a59d2ba1cf3
SHA1fe86894c4757c144449bc744649b7fb9e03346f1
SHA256d3a2c2ce7d70b3b9c30faf3f72bf4ebcdea8f331d6b6cac5dae906327997985d
SHA512a27dc5c443abb31826b14e514aa717be5bf0f548b82170f79705f45ca28abaedc485c5b8738044735f61eca9e1f0ca659b519a3947551404085d07202ae709af