Analysis
- max time kernel
293s - max time network
262s - platform
windows10-1703_x64 - resource
win10-20240611-en - resource tags
arch:x64arch:x86image:win10-20240611-enlocale:en-usos:windows10-1703-x64system - submitted
27/06/2024, 22:31
Static task
static1
Behavioral task
behavioral1
Sample
058f878aeb44622da5120abe47ef4657e21fb8728194bfda51f88e2f460b4669.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
058f878aeb44622da5120abe47ef4657e21fb8728194bfda51f88e2f460b4669.exe
Resource
win10-20240611-en
General
- Target 058f878aeb44622da5120abe47ef4657e21fb8728194bfda51f88e2f460b4669.exe
- Size 4.7MB
- Sample240627-2fhbmaxdkr
- SHA256 058f878aeb44622da5120abe47ef4657e21fb8728194bfda51f88e2f460b4669
- MD5 f16ac6046e4aeaa865c5f5b5ab08b20c
- SHA1 ccc05e90b767f3b00c05572126720379671fc353
- SHA512 9f1ff01bffe2a48a431af88189479e5a403cee841525a0e3a87bf17f0c2a65a78cff9e19d94d27530f06655f29da0ce5e3d00cec89677c42b791143f0bf2fe74
- SSDEEP 98304:m8CjQl/6z4k41NabgBuW9qRSZoX33ZhEJkt3DbWImLnImpi7:pG4k4XabtSkphokRZmbPi7
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
socks5systemz
-
aigahwe.ru
-
http://aigahwe.ru/search/?q=67e28dd8690ba728400aae4c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff614c2e8909f32
-
http://aigahwe.ru/search/?q=67e28dd8690ba728400aae4c7c27d78406abdd88be4b12eab517aa5c96bd86ef938f4c845a8bbc896c58e713bc90c91936b5281fc235a925ed3e51d6bd974a95129070b616e96cc92be510b866db52bee348ee4c2b14a82966836f23d7f210c7ee9c9f39ca6a931f
Signatures
- Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral2/memory/260-84-0x0000000000900000-0x00000000009A2000-memory.dmp family_socks5systemz behavioral2/memory/260-107-0x0000000000900000-0x00000000009A2000-memory.dmp family_socks5systemz behavioral2/memory/260-108-0x0000000000900000-0x00000000009A2000-memory.dmp family_socks5systemz - Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Executes dropped EXE 3 IoCs
pid Process 2316 058f878aeb44622da5120abe47ef4657e21fb8728194bfda51f88e2f460b4669.tmp 220 freesoundrecorder.exe 260 freesoundrecorder.exe - Loads dropped DLL 1 IoCs
pid Process 2316 058f878aeb44622da5120abe47ef4657e21fb8728194bfda51f88e2f460b4669.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 FindShellTrayWindow 1 IoCs
pid Process 2316 058f878aeb44622da5120abe47ef4657e21fb8728194bfda51f88e2f460b4669.tmp - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4156 wrote to memory of 2316 4156 058f878aeb44622da5120abe47ef4657e21fb8728194bfda51f88e2f460b4669.exe 71 PID 4156 wrote to memory of 2316 4156 058f878aeb44622da5120abe47ef4657e21fb8728194bfda51f88e2f460b4669.exe 71 PID 4156 wrote to memory of 2316 4156 058f878aeb44622da5120abe47ef4657e21fb8728194bfda51f88e2f460b4669.exe 71 PID 2316 wrote to memory of 220 2316 058f878aeb44622da5120abe47ef4657e21fb8728194bfda51f88e2f460b4669.tmp 72 PID 2316 wrote to memory of 220 2316 058f878aeb44622da5120abe47ef4657e21fb8728194bfda51f88e2f460b4669.tmp 72 PID 2316 wrote to memory of 220 2316 058f878aeb44622da5120abe47ef4657e21fb8728194bfda51f88e2f460b4669.tmp 72 PID 2316 wrote to memory of 260 2316 058f878aeb44622da5120abe47ef4657e21fb8728194bfda51f88e2f460b4669.tmp 73 PID 2316 wrote to memory of 260 2316 058f878aeb44622da5120abe47ef4657e21fb8728194bfda51f88e2f460b4669.tmp 73 PID 2316 wrote to memory of 260 2316 058f878aeb44622da5120abe47ef4657e21fb8728194bfda51f88e2f460b4669.tmp 73
Processes
-
C:\Users\Admin\AppData\Local\Temp\058f878aeb44622da5120abe47ef4657e21fb8728194bfda51f88e2f460b4669.exe"C:\Users\Admin\AppData\Local\Temp\058f878aeb44622da5120abe47ef4657e21fb8728194bfda51f88e2f460b4669.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4156 -
C:\Users\Admin\AppData\Local\Temp\is-VTPDO.tmp\058f878aeb44622da5120abe47ef4657e21fb8728194bfda51f88e2f460b4669.tmp"C:\Users\Admin\AppData\Local\Temp\is-VTPDO.tmp\058f878aeb44622da5120abe47ef4657e21fb8728194bfda51f88e2f460b4669.tmp" /SL5="$801AA,4658579,54272,C:\Users\Admin\AppData\Local\Temp\058f878aeb44622da5120abe47ef4657e21fb8728194bfda51f88e2f460b4669.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2316 -
C:\Users\Admin\AppData\Local\Free Sound Recorder\freesoundrecorder.exe"C:\Users\Admin\AppData\Local\Free Sound Recorder\freesoundrecorder.exe" -i3⤵
- Executes dropped EXE
PID:220
-
-
C:\Users\Admin\AppData\Local\Free Sound Recorder\freesoundrecorder.exe"C:\Users\Admin\AppData\Local\Free Sound Recorder\freesoundrecorder.exe" -s3⤵
- Executes dropped EXE
PID:260
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Free Sound Recorder\freesoundrecorder.exe
- Size 2.9MB
- SHA256 51d70b7416362374fa800c467d912f1cf6fedcff6b96dda26757195089d09771
- MD5 b5793f5d59702c632d17b9e7cfb7e744
- SHA1 5450eee14d8811b3a55f54d36d18b52b699796ef
- SHA512 76e9533fcc34fa8265750fb87001167f52aa2e112bf7f39cf404abc2bff3c589f2b67add89991d8649489bd73c17db044c11795310a47e07fc9970f7549222a7
- SSDEEP 49152:cslJUOsMYGf6CjUKOrVxvVSPffcoP+LDH7wGCe+Tcdb:csQOsz5CjVO5DSPffcoP+LDbTCeGu
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\is-VTPDO.tmp\058f878aeb44622da5120abe47ef4657e21fb8728194bfda51f88e2f460b4669.tmp
- Size 680KB
- SHA256 98cea98da1f83a6f31a405084b3c9195c20f05386519850015e9f07caeb93643
- MD5 4920c361ec04cab63e93cf2d962e0470
- SHA1 2a58574b89ebbc2f8e2ec60f166e0c2c2b08bf17
- SHA512 09e3c5ded467472f0117e35343df1c2dcd474c8b42d3213a107436d402c0b9c0c60fd1d5d029ff1d45e043e38a87948b0ac50004f8962836bfb967464a2ccefe
- SSDEEP 12288:L0QfKb7nH5lrPo37AzHTA63I0ihE4UEQrrNtIECORGvR5ELAfXExy8:ffKbT5lrPo37AzHTA63/cfU9IEUR53f0
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Local\Temp\is-Q7E4C.tmp\_isetup\_iscrypt.dll
- Size 2KB
- SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
- MD5 a69559718ab506675e907fe49deb71e9
- SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
- SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
- MD5 SHA1 SHA512