Analysis
-
max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
23/03/2024, 14:21
Static task
static1
Behavioral task
behavioral1
Sample
4b9151a0fcc00b7ebe774bb2489bc530.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
4b9151a0fcc00b7ebe774bb2489bc530.exe
Resource
win10v2004-20240226-en
General
-
Target
4b9151a0fcc00b7ebe774bb2489bc530.exe
-
Size
2.2MB
-
MD5
4b9151a0fcc00b7ebe774bb2489bc530
-
SHA1
40fa43f01b6bdf5e946bb2088fec786f3d3b708a
-
SHA256
45d3e2a90ffe10319fe19d04af1fbe783101c3be4841710e506ac84d0e882d07
-
SHA512
8ea55f1c06178f87edade8fbbd4031905195fa86a422d5e07c6c06f2cf538f4649691d867b740a0c6b2a178ab39f7dfde1a95108266e3dff74df33361930866d
-
SSDEEP
49152:321Jclh7yWuOym9ASMvcW63qheRFv2vLsmL2H2H5QihKF/nyGH:m1JkuWukASkncRszZ2H2H5NUVnXH
Malware Config
Extracted
socks5systemz
http://ddufggj.info/search/?q=67e28dd83a5da32a155afd1b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a271ea771795af8e05c642db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe13c0ec929e3e
Signatures
-
Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral2/memory/1084-68-0x0000000000790000-0x0000000000832000-memory.dmp family_socks5systemz behavioral2/memory/1084-70-0x0000000000790000-0x0000000000832000-memory.dmp family_socks5systemz behavioral2/memory/1084-81-0x0000000000790000-0x0000000000832000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
-
Executes dropped EXE 3 IoCs
pid Process 5036 4b9151a0fcc00b7ebe774bb2489bc530.tmp 5600 colorpicker.exe 1084 colorpicker.exe -
Loads dropped DLL 1 IoCs
pid Process 5036 4b9151a0fcc00b7ebe774bb2489bc530.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 91.211.247.248 -
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 5404 wrote to memory of 5036 5404 4b9151a0fcc00b7ebe774bb2489bc530.exe 97 PID 5404 wrote to memory of 5036 5404 4b9151a0fcc00b7ebe774bb2489bc530.exe 97 PID 5404 wrote to memory of 5036 5404 4b9151a0fcc00b7ebe774bb2489bc530.exe 97 PID 5036 wrote to memory of 5600 5036 4b9151a0fcc00b7ebe774bb2489bc530.tmp 101 PID 5036 wrote to memory of 5600 5036 4b9151a0fcc00b7ebe774bb2489bc530.tmp 101 PID 5036 wrote to memory of 5600 5036 4b9151a0fcc00b7ebe774bb2489bc530.tmp 101 PID 5036 wrote to memory of 1084 5036 4b9151a0fcc00b7ebe774bb2489bc530.tmp 102 PID 5036 wrote to memory of 1084 5036 4b9151a0fcc00b7ebe774bb2489bc530.tmp 102 PID 5036 wrote to memory of 1084 5036 4b9151a0fcc00b7ebe774bb2489bc530.tmp 102
Processes
-
C:\Users\Admin\AppData\Local\Temp\4b9151a0fcc00b7ebe774bb2489bc530.exe"C:\Users\Admin\AppData\Local\Temp\4b9151a0fcc00b7ebe774bb2489bc530.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:5404 -
C:\Users\Admin\AppData\Local\Temp\is-A7NDN.tmp\4b9151a0fcc00b7ebe774bb2489bc530.tmp"C:\Users\Admin\AppData\Local\Temp\is-A7NDN.tmp\4b9151a0fcc00b7ebe774bb2489bc530.tmp" /SL5="$A0116,1966609,54272,C:\Users\Admin\AppData\Local\Temp\4b9151a0fcc00b7ebe774bb2489bc530.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:5036 -
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i3⤵
- Executes dropped EXE
PID:5600
-
-
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -s3⤵
- Executes dropped EXE
PID:1084
-
-
-
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=3996 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:81⤵PID:4412
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
2.2MB
MD58394350b7547ee4760de84e7a5eea444
SHA1d51469cdcfcaef3a7b5430a5a100c3ec6342d3d7
SHA2560bccbc687369a0731a3a04702d2368b8799854f63de4ca09968c6ea6caa6c75c
SHA512502d368f75922408459f45b3d83943d7b9a4f6154e4cc2ca8a156df0959e354cfebc6e9aefefbbae7f5b7d1c360b7093f08b1974841e33eb67b4a4a3f49427a7
-
Filesize
92KB
MD5841ca5703ed222fdf25141010366384f
SHA17e03c93e0cb992925a8e01aec43ac564097073b1
SHA25687fd129f43fea17b466c0801bb9df22a4ffc7615ea6aa41ac84fb7858c90a4e9
SHA5127e6f6d07b7512c64bfd37cd76000715ce9307a90bc7f6934fd9b7b0f0a069463f2e65a87d3409b1a1b7a6153c5c181abf16c0fb213f4bce496328387737fc12d
-
Filesize
887KB
MD5283bc25f5dde274949fc2a546687341f
SHA1af5a43f8ec681069ac8a06e99c08ed7d2e431a56
SHA2568fcee31de7e6bae57b2969487865c0257bc436434a66b9cc7d23d0360824a322
SHA5123866cceb939f830407c6e3b3957b852f29a799a16755430cb4b931a3c7c96d79e2e028eae8439a53a0e1bc5f9eff838218f121015f4ac6f1947188b9a8bd2cd5
-
Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
-
Filesize
677KB
MD5d394fc26de69f06950dc1c71959b0261
SHA17c9448fc3582f19763eaa8e3c5383b7873aee017
SHA256405e474735b776fc09dc71d3a5b44c50b9e2c745cdf7e79eb89dc791866ffe2a
SHA51263ef7265aac27715f5b799b588955dd5df3f49ecd0042fba69d0effe7dfe24d6777079677a809e817e4e8243a2185ca9c3a8022c9247bb2a070c213f06d7bc10