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Analysis
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max time kernel
148s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20240319-en -
resource tags
arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system -
submitted
25/03/2024, 14:34
Static task
static1
Behavioral task
behavioral1
Sample
4dd0b18faf98bf40222dad19f3d3a3644b93c30242b11a0d2a16ae2e99370b5d.exe
Resource
win10v2004-20240319-en
Behavioral task
behavioral2
Sample
4dd0b18faf98bf40222dad19f3d3a3644b93c30242b11a0d2a16ae2e99370b5d.exe
Resource
win11-20240221-en
General
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Target
4dd0b18faf98bf40222dad19f3d3a3644b93c30242b11a0d2a16ae2e99370b5d.exe
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Size
2.1MB
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MD5
a919a7be89a74990b28ca614eb215caa
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SHA1
b8a4f828bcd7c083aa1b1c65b8fbab02b9c75f12
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SHA256
4dd0b18faf98bf40222dad19f3d3a3644b93c30242b11a0d2a16ae2e99370b5d
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SHA512
b69d70431ee9eb318b93e722dc1564062b106b7b5e539ad5edef041270535ecf0304b0844ee4f15da0c513bdb8af594d9da80b2061dac4c9708ee823b346f9a2
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SSDEEP
49152:32tqx2/aldYc68PCaDYpnzGkzlyyLo4mxnQKKEa:mtc0ab/C9akzlDbAp7a
Malware Config
Extracted
socks5systemz
http://ebiuhve.ua/search/?q=67e28dd86a08a32d155da44d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa49e8889b5e4fa9281ae978f471ea771795af8e05c642db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe12c7e8969b33
http://ebiuhve.ua/search/?q=67e28dd86a08a32d155da44d7c27d78406abdd88be4b12eab517aa5c96bd86e8968645835a8bbc896c58e713bc90c91c36b5281fc235a925ed3e57d6bd974a95129070b611e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee94993cca6c971e
Signatures
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Detect Socks5Systemz Payload 4 IoCs
resource yara_rule behavioral1/memory/2240-67-0x0000000000930000-0x00000000009D2000-memory.dmp family_socks5systemz behavioral1/memory/2240-77-0x0000000000930000-0x00000000009D2000-memory.dmp family_socks5systemz behavioral1/memory/2240-90-0x0000000000930000-0x00000000009D2000-memory.dmp family_socks5systemz behavioral1/memory/2240-91-0x0000000000930000-0x00000000009D2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 404 4dd0b18faf98bf40222dad19f3d3a3644b93c30242b11a0d2a16ae2e99370b5d.tmp 4452 polyglot32.exe 2240 polyglot32.exe -
Loads dropped DLL 1 IoCs
pid Process 404 4dd0b18faf98bf40222dad19f3d3a3644b93c30242b11a0d2a16ae2e99370b5d.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 152.89.198.214 -
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 3436 wrote to memory of 404 3436 4dd0b18faf98bf40222dad19f3d3a3644b93c30242b11a0d2a16ae2e99370b5d.exe 94 PID 3436 wrote to memory of 404 3436 4dd0b18faf98bf40222dad19f3d3a3644b93c30242b11a0d2a16ae2e99370b5d.exe 94 PID 3436 wrote to memory of 404 3436 4dd0b18faf98bf40222dad19f3d3a3644b93c30242b11a0d2a16ae2e99370b5d.exe 94 PID 404 wrote to memory of 4452 404 4dd0b18faf98bf40222dad19f3d3a3644b93c30242b11a0d2a16ae2e99370b5d.tmp 97 PID 404 wrote to memory of 4452 404 4dd0b18faf98bf40222dad19f3d3a3644b93c30242b11a0d2a16ae2e99370b5d.tmp 97 PID 404 wrote to memory of 4452 404 4dd0b18faf98bf40222dad19f3d3a3644b93c30242b11a0d2a16ae2e99370b5d.tmp 97 PID 404 wrote to memory of 2240 404 4dd0b18faf98bf40222dad19f3d3a3644b93c30242b11a0d2a16ae2e99370b5d.tmp 98 PID 404 wrote to memory of 2240 404 4dd0b18faf98bf40222dad19f3d3a3644b93c30242b11a0d2a16ae2e99370b5d.tmp 98 PID 404 wrote to memory of 2240 404 4dd0b18faf98bf40222dad19f3d3a3644b93c30242b11a0d2a16ae2e99370b5d.tmp 98
Processes
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C:\Users\Admin\AppData\Local\Temp\4dd0b18faf98bf40222dad19f3d3a3644b93c30242b11a0d2a16ae2e99370b5d.exe"C:\Users\Admin\AppData\Local\Temp\4dd0b18faf98bf40222dad19f3d3a3644b93c30242b11a0d2a16ae2e99370b5d.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3436 -
C:\Users\Admin\AppData\Local\Temp\is-MQ961.tmp\4dd0b18faf98bf40222dad19f3d3a3644b93c30242b11a0d2a16ae2e99370b5d.tmp"C:\Users\Admin\AppData\Local\Temp\is-MQ961.tmp\4dd0b18faf98bf40222dad19f3d3a3644b93c30242b11a0d2a16ae2e99370b5d.tmp" /SL5="$E01C8,1834192,54272,C:\Users\Admin\AppData\Local\Temp\4dd0b18faf98bf40222dad19f3d3a3644b93c30242b11a0d2a16ae2e99370b5d.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:404 -
C:\Users\Admin\AppData\Local\Poly Glot Edit\polyglot32.exe"C:\Users\Admin\AppData\Local\Poly Glot Edit\polyglot32.exe" -i3⤵
- Executes dropped EXE
PID:4452
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C:\Users\Admin\AppData\Local\Poly Glot Edit\polyglot32.exe"C:\Users\Admin\AppData\Local\Poly Glot Edit\polyglot32.exe" -s3⤵
- Executes dropped EXE
PID:2240
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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=4140 --field-trial-handle=2320,i,3025503729105798828,9325691672526736153,262144 --variations-seed-version /prefetch:81⤵PID:2456
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2.6MB
MD57dad002a314fdd2356f9ddb72434a1db
SHA18d7604779077869abd5f9b2782cd0d8146fe1737
SHA256eb70ccead09aa80331e58f95b7b9eaa65014b39baf2ca335bc1b9fc039df475c
SHA512abdbfa80c3da57538485b681970e99fd374c721b6ead978c01aa169db35fba2e54b9df413eebf0024c9eb84f4edae21ec1b5beaa6a79df46058bac2d4b86cf28
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Filesize
42KB
MD5032a79297f440b0347af94e4f7dd11b1
SHA180e55aa319eb9dc5accfa47f07e53243006d7a23
SHA256c2a00837c53129ca2cc481b7b46ac75599faf651ce4110246b35a7fde87b0e6c
SHA5129d950272b2d8deec445e9df2de01dd893f95179d8fedc6dbead2c366da0145f0346611d74e03ddfe97d1907d01ebf24d1e9cfdc4032a1fdfcfc37e56af8cd781
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C:\Users\Admin\AppData\Local\Temp\is-MQ961.tmp\4dd0b18faf98bf40222dad19f3d3a3644b93c30242b11a0d2a16ae2e99370b5d.tmp
Filesize677KB
MD5e3c3ff614a631373b2a2e6d45ea2ac14
SHA170f42dbed691518993cd86cc803845b68e63151d
SHA256ef6a7f6238c4f5042a7c806a6edf5fb21c24dead0e3bda36eadaf1fc121a0116
SHA512a206357efbc6a257ce88ffd9a022d8133c6a8cf2c44796f3a80967e71cb9a144643146106f94ff7e5bac4aadf50f959d2e2783a2ad11a7ed7ca123d463486545
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63