Analysis
- max time kernel
144s - max time network
142s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
25/03/2024, 02:58
Static task
static1
Behavioral task
behavioral1
Sample
7f9ca27e76d60ddb6e159becb582b1fe2f449a6b55293d95321bf42766a2783c.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
7f9ca27e76d60ddb6e159becb582b1fe2f449a6b55293d95321bf42766a2783c.exe
Resource
win10v2004-20240226-en
General
- Target 7f9ca27e76d60ddb6e159becb582b1fe2f449a6b55293d95321bf42766a2783c.exe
- Size 2.0MB
- Sample240325-df95msec93
- SHA256 7f9ca27e76d60ddb6e159becb582b1fe2f449a6b55293d95321bf42766a2783c
- MD5 8507da89b3e2a724e42db877e852a515
- SHA1 d51c2fac07d62a52eca5f58045a6a1696b0c83ac
- SHA512 9c9e462ac60047b1ddd1436113474f83441bb8d89c5e98af837ac3f34fa8d2f48436ce2c597e716983d01e199ebade4f02a81682bcee1df9f96ea3247a233ce1
- SSDEEP 49152:32Fiqjt6BzVYK87QXYFhpq5jZ19Uw5Ubcud0pSMQ1M:mEqeJYKtXi/IZrPUVWlOM
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
socks5systemz
-
http://cecdofz.net/search/?q=67e28dd8655aa729110daa1b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a771ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe12c3ea909c3d
-
http://cecdofz.net/search/?q=67e28dd8655aa729110daa1b7c27d78406abdd88be4b12eab517aa5c96bd86ee95854c825a8bbc896c58e713bc90c91936b5281fc235a925ed3e04d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee949938c86a9010
Signatures
- Detect Socks5Systemz Payload 4 IoCs
resource yara_rule behavioral2/memory/2784-67-0x0000000000810000-0x00000000008B2000-memory.dmp family_socks5systemz behavioral2/memory/2784-77-0x0000000000810000-0x00000000008B2000-memory.dmp family_socks5systemz behavioral2/memory/2784-90-0x0000000000810000-0x00000000008B2000-memory.dmp family_socks5systemz behavioral2/memory/2784-91-0x0000000000810000-0x00000000008B2000-memory.dmp family_socks5systemz - Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Executes dropped EXE 3 IoCs
pid Process 2068 7f9ca27e76d60ddb6e159becb582b1fe2f449a6b55293d95321bf42766a2783c.tmp 3228 colorpicker32.exe 2784 colorpicker32.exe - Loads dropped DLL 1 IoCs
pid Process 2068 7f9ca27e76d60ddb6e159becb582b1fe2f449a6b55293d95321bf42766a2783c.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.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2444 wrote to memory of 2068 2444 7f9ca27e76d60ddb6e159becb582b1fe2f449a6b55293d95321bf42766a2783c.exe 94 PID 2444 wrote to memory of 2068 2444 7f9ca27e76d60ddb6e159becb582b1fe2f449a6b55293d95321bf42766a2783c.exe 94 PID 2444 wrote to memory of 2068 2444 7f9ca27e76d60ddb6e159becb582b1fe2f449a6b55293d95321bf42766a2783c.exe 94 PID 2068 wrote to memory of 3228 2068 7f9ca27e76d60ddb6e159becb582b1fe2f449a6b55293d95321bf42766a2783c.tmp 98 PID 2068 wrote to memory of 3228 2068 7f9ca27e76d60ddb6e159becb582b1fe2f449a6b55293d95321bf42766a2783c.tmp 98 PID 2068 wrote to memory of 3228 2068 7f9ca27e76d60ddb6e159becb582b1fe2f449a6b55293d95321bf42766a2783c.tmp 98 PID 2068 wrote to memory of 2784 2068 7f9ca27e76d60ddb6e159becb582b1fe2f449a6b55293d95321bf42766a2783c.tmp 99 PID 2068 wrote to memory of 2784 2068 7f9ca27e76d60ddb6e159becb582b1fe2f449a6b55293d95321bf42766a2783c.tmp 99 PID 2068 wrote to memory of 2784 2068 7f9ca27e76d60ddb6e159becb582b1fe2f449a6b55293d95321bf42766a2783c.tmp 99
Processes
-
C:\Users\Admin\AppData\Local\Temp\7f9ca27e76d60ddb6e159becb582b1fe2f449a6b55293d95321bf42766a2783c.exe"C:\Users\Admin\AppData\Local\Temp\7f9ca27e76d60ddb6e159becb582b1fe2f449a6b55293d95321bf42766a2783c.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2444 -
C:\Users\Admin\AppData\Local\Temp\is-HQG7O.tmp\7f9ca27e76d60ddb6e159becb582b1fe2f449a6b55293d95321bf42766a2783c.tmp"C:\Users\Admin\AppData\Local\Temp\is-HQG7O.tmp\7f9ca27e76d60ddb6e159becb582b1fe2f449a6b55293d95321bf42766a2783c.tmp" /SL5="$601CC,1758430,54272,C:\Users\Admin\AppData\Local\Temp\7f9ca27e76d60ddb6e159becb582b1fe2f449a6b55293d95321bf42766a2783c.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2068 -
C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe" -i3⤵
- Executes dropped EXE
PID:3228
-
-
C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe" -s3⤵
- Executes dropped EXE
PID:2784
-
-
-
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 --no-appcompat-clear --mojo-platform-channel-handle=1332 --field-trial-handle=2268,i,8796662530135712346,11409037572378858775,262144 --variations-seed-version /prefetch:81⤵PID:3784
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe
- Size 2.0MB
- SHA256 1c37de037de584cfee16b5425ff483903cf0ba0aab42629ecb48bb5c7697d7b2
- MD5 8cd71473a8c665125440e17dad43ef8b
- SHA1 523a167121ae89a683c0bdbfda26f6046994d03b
- SHA512 c07a51c7cc54b58162110460ba14e87d7c498938e76aa485f6e8062ad6cf173ebc1fe307973231b76ffab4998a22849ff8dfec2082f76860eca8d997af8add83
- SSDEEP 49152:LpGCtpyKpRUTpFYppEipPFWp3WpdlLu0jDqiD/lXeWEPYVmMXG6:LpGwpyKpRcpCppEipPFWpmpdlLlvqitv
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\is-9KP5P.tmp\_isetup\_iscrypt.dll
- Size 2KB
- SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
- MD5 a69559718ab506675e907fe49deb71e9
- SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
- SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\is-HQG7O.tmp\7f9ca27e76d60ddb6e159becb582b1fe2f449a6b55293d95321bf42766a2783c.tmp
- Size 677KB
- SHA256 2fbf5d1a94ff7aa773d0abe9e2216f0347f47083bf66632e516b9e59ede819df
- MD5 bb16a1aed23a42be299fa83942dc45cc
- SHA1 eef3b71f03f3ea6148a08bf4ba6d3bc2239a56ba
- SHA512 bd1c5cf999c8824946906a6242309b41e6bcc926733107e87787ecb70c4e4d78ae395fcc9033606a72f08fee98103957063b3a47cd74e9e395d77c75287fd0b4
- SSDEEP 12288:lhg/qrLc0yVrPg37AzHqA63JJVndjzrN6IRpOR+u1nWXExyd:A/qrQ0yVrPg37AzHqA6Zfn0R3NWXExyd
- MD5 SHA1 SHA512 SSDEEP