Analysis
-
max time kernel
152s -
max time network
158s -
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, 02:21
Static task
static1
Behavioral task
behavioral1
Sample
19f878573535fd072225a06e5fc283bc9925a79df1b795c25d6a01605966b4c5.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
19f878573535fd072225a06e5fc283bc9925a79df1b795c25d6a01605966b4c5.exe
Resource
win10v2004-20240226-en
General
-
Target
19f878573535fd072225a06e5fc283bc9925a79df1b795c25d6a01605966b4c5.exe
-
Size
2.2MB
-
MD5
72c9c78af1bcef44f131becb89ca8388
-
SHA1
9872f5fb908841d9fa25c38adb995bfcd392149b
-
SHA256
19f878573535fd072225a06e5fc283bc9925a79df1b795c25d6a01605966b4c5
-
SHA512
4e1c01064dbaad273b481382a8e26686a6da26f67926f0952deb25a0eca0e1275bab38b97bf7bcc484cdbf3f0141dd0612d8a2c72c21062af92c34f06dd38db0
-
SSDEEP
49152:324u9cVTBk4TTJnFFwcDPM1lvmUG6jmnyienM7svXncfe0fKdqSRehM:m4umV6QTJnFTY102jmyfM7sv+e0AqS0a
Malware Config
Extracted
socks5systemz
http://buicniz.com/search/?q=67e28dd86e58a42e450ca94d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978f671ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe12c3ec969e33
Signatures
-
Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral2/memory/4676-66-0x0000000000920000-0x00000000009C2000-memory.dmp family_socks5systemz behavioral2/memory/4676-68-0x0000000000920000-0x00000000009C2000-memory.dmp family_socks5systemz behavioral2/memory/4676-77-0x0000000000920000-0x00000000009C2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
-
Executes dropped EXE 3 IoCs
pid Process 4616 19f878573535fd072225a06e5fc283bc9925a79df1b795c25d6a01605966b4c5.tmp 3916 colorpicker32.exe 4676 colorpicker32.exe -
Loads dropped DLL 1 IoCs
pid Process 4616 19f878573535fd072225a06e5fc283bc9925a79df1b795c25d6a01605966b4c5.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 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.
-
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 1116 wrote to memory of 4616 1116 19f878573535fd072225a06e5fc283bc9925a79df1b795c25d6a01605966b4c5.exe 91 PID 1116 wrote to memory of 4616 1116 19f878573535fd072225a06e5fc283bc9925a79df1b795c25d6a01605966b4c5.exe 91 PID 1116 wrote to memory of 4616 1116 19f878573535fd072225a06e5fc283bc9925a79df1b795c25d6a01605966b4c5.exe 91 PID 4616 wrote to memory of 3916 4616 19f878573535fd072225a06e5fc283bc9925a79df1b795c25d6a01605966b4c5.tmp 93 PID 4616 wrote to memory of 3916 4616 19f878573535fd072225a06e5fc283bc9925a79df1b795c25d6a01605966b4c5.tmp 93 PID 4616 wrote to memory of 3916 4616 19f878573535fd072225a06e5fc283bc9925a79df1b795c25d6a01605966b4c5.tmp 93 PID 4616 wrote to memory of 4676 4616 19f878573535fd072225a06e5fc283bc9925a79df1b795c25d6a01605966b4c5.tmp 94 PID 4616 wrote to memory of 4676 4616 19f878573535fd072225a06e5fc283bc9925a79df1b795c25d6a01605966b4c5.tmp 94 PID 4616 wrote to memory of 4676 4616 19f878573535fd072225a06e5fc283bc9925a79df1b795c25d6a01605966b4c5.tmp 94
Processes
-
C:\Users\Admin\AppData\Local\Temp\19f878573535fd072225a06e5fc283bc9925a79df1b795c25d6a01605966b4c5.exe"C:\Users\Admin\AppData\Local\Temp\19f878573535fd072225a06e5fc283bc9925a79df1b795c25d6a01605966b4c5.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1116 -
C:\Users\Admin\AppData\Local\Temp\is-SNF0I.tmp\19f878573535fd072225a06e5fc283bc9925a79df1b795c25d6a01605966b4c5.tmp"C:\Users\Admin\AppData\Local\Temp\is-SNF0I.tmp\19f878573535fd072225a06e5fc283bc9925a79df1b795c25d6a01605966b4c5.tmp" /SL5="$A00FE,1976235,54272,C:\Users\Admin\AppData\Local\Temp\19f878573535fd072225a06e5fc283bc9925a79df1b795c25d6a01605966b4c5.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4616 -
C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe" -i3⤵
- Executes dropped EXE
PID:3916
-
-
C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe" -s3⤵
- Executes dropped EXE
PID:4676
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
2.2MB
MD55341bef1154cf2ed5c513f8d177a22c9
SHA150d15e352c6250052f4ffeb0a8f7fbc94db561bd
SHA256b1c2c86bed3561898e324f14e41714cfe0780619fed3385dee5416a3c26c7ef7
SHA512ad30160c1784fbd20d6446daed90e2f41925a8984e33f6151e8a3085154361d62e6adc28ed31fa60f65a6d120d63633ec9700ff22c23fa301ede6b8f293542fc
-
Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
-
C:\Users\Admin\AppData\Local\Temp\is-SNF0I.tmp\19f878573535fd072225a06e5fc283bc9925a79df1b795c25d6a01605966b4c5.tmp
Filesize224KB
MD55abdf5db157863e14217abd98379a288
SHA1d3981c466733e2272f7769c39577c387852aab9c
SHA256c820a3ebe9b2f8597c2a0eb301eaa4d7645ed72a69a4fb48704784ef33092561
SHA5126c328a366fce1d629c6c9d542454f6e6531da60e60343d379500e67b7f400415364a156e41ed99da68b49ad25324389667a3a0f284d44adc98dc8c9339eadf46
-
C:\Users\Admin\AppData\Local\Temp\is-SNF0I.tmp\19f878573535fd072225a06e5fc283bc9925a79df1b795c25d6a01605966b4c5.tmp
Filesize57KB
MD5a41ff3c5251cdd81ea418a18636988b7
SHA12f45e5ef9eb935b8660b65234d3821f0e2759d43
SHA256de05ffcef542c6cb39362ce0ec4797268cab520d5e42c32ff650f607224f629f
SHA512e265eb15a19e31fc7d4c13a1041cdcd02b547b299b022456f61fbfdd02237cc52f0aedb9a35f8957f1b4d65c8d34869458a35cb329396d0c40036e7109509234