Analysis
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max time kernel
148s -
max time network
155s -
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, 12:21
Static task
static1
Behavioral task
behavioral1
Sample
1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral2
Sample
1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.exe
Resource
win11-20240221-en
General
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Target
1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.exe
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Size
2.0MB
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MD5
603489e0ce3e4c942d3cb6badafb76f7
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SHA1
c1eb47d815760f03c49d892f7ffcd048ee7b24ac
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SHA256
1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6
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SHA512
dbeb9f836b0b39b48e7cdc1551477bac601907f7c3cd61736dd90b2ba68b5345078bc6223c01998aeccc8087bd2fd9c259e87d353d9391766707e3e4e3c81288
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SSDEEP
49152:32pF1TdGP/ATkjneFyIzQFzMGCjTHTjowMRmPCb8OKxRe7D:mpXT2YUpIzAMowGhbrKxRc
Malware Config
Extracted
socks5systemz
http://bdxbpnz.com/search/?q=67e28dd8655aa729110daa1b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a771ea771795af8e05c642db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe10c9e9909c33
Signatures
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Detect Socks5Systemz Payload 2 IoCs
resource yara_rule behavioral1/memory/3788-68-0x0000000000910000-0x00000000009B2000-memory.dmp family_socks5systemz behavioral1/memory/3788-78-0x0000000000910000-0x00000000009B2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 2232 1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.tmp 64 colorpicker.exe 3788 colorpicker.exe -
Loads dropped DLL 1 IoCs
pid Process 2232 1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.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.
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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 404 wrote to memory of 2232 404 1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.exe 95 PID 404 wrote to memory of 2232 404 1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.exe 95 PID 404 wrote to memory of 2232 404 1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.exe 95 PID 2232 wrote to memory of 64 2232 1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.tmp 97 PID 2232 wrote to memory of 64 2232 1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.tmp 97 PID 2232 wrote to memory of 64 2232 1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.tmp 97 PID 2232 wrote to memory of 3788 2232 1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.tmp 98 PID 2232 wrote to memory of 3788 2232 1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.tmp 98 PID 2232 wrote to memory of 3788 2232 1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.tmp 98
Processes
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C:\Users\Admin\AppData\Local\Temp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.exe"C:\Users\Admin\AppData\Local\Temp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:404 -
C:\Users\Admin\AppData\Local\Temp\is-B3CIG.tmp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.tmp"C:\Users\Admin\AppData\Local\Temp\is-B3CIG.tmp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.tmp" /SL5="$A011E,1773528,54272,C:\Users\Admin\AppData\Local\Temp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2232 -
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i3⤵
- Executes dropped EXE
PID:64
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C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -s3⤵
- Executes dropped EXE
PID:3788
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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=4204 --field-trial-handle=2700,i,14629483171127516024,12350888228055326066,262144 --variations-seed-version /prefetch:81⤵PID:4864
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2.0MB
MD5ecd25bbe932879f7b1104322f0338e11
SHA103e574a7f06a85bc0cbbabfb86e1cfb621031056
SHA25631a2a7a5b20873a11d02be605f1d4be60e099ff33d82fcc6b4e2092769d3d811
SHA512e1a5c06abf4507cccdbb83f4b02853b6f9f82f64f04e51b382929b13a2dec475951748498b9a5843a658f0b712ba3d8110fd072b5960168e20a2a1e6eb217232
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Filesize
128KB
MD55ce49878104e1a35529927d4e5da0dcf
SHA10051814458e92cb618fcb9e2ab501e02b56e0554
SHA256c456b0ebe27c6d94bbce0d37351efe7ca59c5d9ff004c307aa42ca83f1971a82
SHA512882cf7cfccc2903fb4cecf6969614900204eb64ab94d77dcbb52ec3520df8a9175768eb75b78c3b77018c91e4078799866d51bf6c1d96f361f06d7a498b8e25b
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C:\Users\Admin\AppData\Local\Temp\is-B3CIG.tmp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.tmp
Filesize677KB
MD592f7775908bb12183914bb0753782913
SHA18d1091da36832942d48f2fe9a1a216fdd556b9c4
SHA256a43c4e3916a92d299c22e2010383b2a8f85e14882a610de57bb2fef91f7984ed
SHA5127e39cafdc00a46f2353f6eeaa8fee0d7c94f489d1fd4581e125408bae63a2e6cd135f65807c3574c833f970b64106badb7dd0a2a6ee9859b3b60b3d1b6e19c39
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63