Analysis Overview
SHA256
cf2c71d279310105bce28d8ca6f90a42733da306d07e2c13acaa1cc90ff8b8be
Threat Level: Known bad
The file acb4ff970a6f5a421f388d8db9ef27a5.exe was found to be: Known bad.
Malicious Activity Summary
Detect Socks5Systemz Payload
Socks5Systemz
Executes dropped EXE
Loads dropped DLL
Unexpected DNS network traffic destination
Checks installed software on the system
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-23 13:36
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-23 13:36
Reported
2024-03-23 13:38
Platform
win7-20240221-en
Max time kernel
143s
Max time network
128s
Command Line
Signatures
Detect Socks5Systemz Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Socks5Systemz
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-CQ8R6.tmp\acb4ff970a6f5a421f388d8db9ef27a5.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\acb4ff970a6f5a421f388d8db9ef27a5.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-CQ8R6.tmp\acb4ff970a6f5a421f388d8db9ef27a5.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-CQ8R6.tmp\acb4ff970a6f5a421f388d8db9ef27a5.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-CQ8R6.tmp\acb4ff970a6f5a421f388d8db9ef27a5.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-CQ8R6.tmp\acb4ff970a6f5a421f388d8db9ef27a5.tmp | N/A |
Unexpected DNS network traffic destination
| Description | Indicator | Process | Target |
| Destination IP | 45.155.250.90 | N/A | N/A |
Checks installed software on the system
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\acb4ff970a6f5a421f388d8db9ef27a5.exe
"C:\Users\Admin\AppData\Local\Temp\acb4ff970a6f5a421f388d8db9ef27a5.exe"
C:\Users\Admin\AppData\Local\Temp\is-CQ8R6.tmp\acb4ff970a6f5a421f388d8db9ef27a5.tmp
"C:\Users\Admin\AppData\Local\Temp\is-CQ8R6.tmp\acb4ff970a6f5a421f388d8db9ef27a5.tmp" /SL5="$4010A,1756126,54272,C:\Users\Admin\AppData\Local\Temp\acb4ff970a6f5a421f388d8db9ef27a5.exe"
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -s
Network
| Country | Destination | Domain | Proto |
| SE | 45.155.250.90:53 | cklweiv.net | udp |
| MD | 45.142.214.240:80 | cklweiv.net | tcp |
| BG | 93.123.39.238:2023 | tcp |
Files
memory/2980-1-0x0000000000400000-0x0000000000414000-memory.dmp
\Users\Admin\AppData\Local\Temp\is-CQ8R6.tmp\acb4ff970a6f5a421f388d8db9ef27a5.tmp
| MD5 | 92f7775908bb12183914bb0753782913 |
| SHA1 | 8d1091da36832942d48f2fe9a1a216fdd556b9c4 |
| SHA256 | a43c4e3916a92d299c22e2010383b2a8f85e14882a610de57bb2fef91f7984ed |
| SHA512 | 7e39cafdc00a46f2353f6eeaa8fee0d7c94f489d1fd4581e125408bae63a2e6cd135f65807c3574c833f970b64106badb7dd0a2a6ee9859b3b60b3d1b6e19c39 |
memory/2036-9-0x00000000001D0000-0x00000000001D1000-memory.dmp
\Users\Admin\AppData\Local\Temp\is-05A82.tmp\_isetup\_shfoldr.dll
| MD5 | 92dc6ef532fbb4a5c3201469a5b5eb63 |
| SHA1 | 3e89ff837147c16b4e41c30d6c796374e0b8e62c |
| SHA256 | 9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87 |
| SHA512 | 9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3 |
\Users\Admin\AppData\Local\Temp\is-05A82.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
| MD5 | c79648f3750d1cefcdb36833c743d263 |
| SHA1 | 894203940c5346ae015be20e017dee9b409ddaf5 |
| SHA256 | 89af231d1c627b6bede896ef3eb73d8bc48e4a9e37accb71b7f6723a3fe5953b |
| SHA512 | 052ca6068b18f2d7fcdedcfe01021ce480987c8bf09cda91abb719c9647314c276380563ab1b3fba9cf635499e17eed26c75b7c80bdd59f2ca2c7626c3dd9cf8 |
memory/2036-43-0x00000000036E0000-0x00000000038E8000-memory.dmp
memory/2432-44-0x0000000000400000-0x0000000000608000-memory.dmp
memory/2432-45-0x0000000000400000-0x0000000000608000-memory.dmp
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
| MD5 | ffeed628afb88f5d88b3d1491a8b328d |
| SHA1 | 2a0343054acbfb0d46bf42588ea4cf2526ae9be5 |
| SHA256 | b9b82e17b3477222850be8dae3b75a02932bf46c70a5474527e3b65932285030 |
| SHA512 | 983ce5bb955f848b723502ca8e3612cd4e9ef16bac660aaf7d419d778f2667f0dea01e4d6db782c60a8124beeb871f3eda8bcfdb731f8a25321030371dbfb1e6 |
memory/2432-48-0x0000000000400000-0x0000000000608000-memory.dmp
memory/2432-49-0x0000000000400000-0x0000000000608000-memory.dmp
memory/2464-51-0x0000000000400000-0x0000000000608000-memory.dmp
memory/2464-53-0x0000000000400000-0x0000000000608000-memory.dmp
memory/2980-54-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2036-55-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/2464-56-0x0000000000400000-0x0000000000608000-memory.dmp
memory/2036-57-0x00000000001D0000-0x00000000001D1000-memory.dmp
memory/2036-58-0x00000000036E0000-0x00000000038E8000-memory.dmp
memory/2464-61-0x0000000000400000-0x0000000000608000-memory.dmp
memory/2464-62-0x0000000000400000-0x0000000000608000-memory.dmp
memory/2464-65-0x0000000000400000-0x0000000000608000-memory.dmp
memory/2464-68-0x0000000000400000-0x0000000000608000-memory.dmp
memory/2464-71-0x0000000000400000-0x0000000000608000-memory.dmp
memory/2464-74-0x0000000002560000-0x0000000002602000-memory.dmp
memory/2464-75-0x0000000000400000-0x0000000000608000-memory.dmp
memory/2464-77-0x0000000002560000-0x0000000002602000-memory.dmp
memory/2464-82-0x0000000000400000-0x0000000000608000-memory.dmp
memory/2464-85-0x0000000000400000-0x0000000000608000-memory.dmp
memory/2464-86-0x0000000002560000-0x0000000002602000-memory.dmp
memory/2464-89-0x0000000000400000-0x0000000000608000-memory.dmp
memory/2464-92-0x0000000000400000-0x0000000000608000-memory.dmp
memory/2464-95-0x0000000000400000-0x0000000000608000-memory.dmp
memory/2464-98-0x0000000000400000-0x0000000000608000-memory.dmp
memory/2464-99-0x0000000002560000-0x0000000002602000-memory.dmp
memory/2464-100-0x0000000002560000-0x0000000002602000-memory.dmp
memory/2464-104-0x0000000000400000-0x0000000000608000-memory.dmp
memory/2464-107-0x0000000000400000-0x0000000000608000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-23 13:36
Reported
2024-03-23 13:38
Platform
win10v2004-20240226-en
Max time kernel
147s
Max time network
151s
Command Line
Signatures
Detect Socks5Systemz Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Socks5Systemz
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-MKSML.tmp\acb4ff970a6f5a421f388d8db9ef27a5.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-MKSML.tmp\acb4ff970a6f5a421f388d8db9ef27a5.tmp | N/A |
Unexpected DNS network traffic destination
| Description | Indicator | Process | Target |
| Destination IP | 141.98.234.31 | N/A | N/A |
Checks installed software on the system
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\acb4ff970a6f5a421f388d8db9ef27a5.exe
"C:\Users\Admin\AppData\Local\Temp\acb4ff970a6f5a421f388d8db9ef27a5.exe"
C:\Users\Admin\AppData\Local\Temp\is-MKSML.tmp\acb4ff970a6f5a421f388d8db9ef27a5.tmp
"C:\Users\Admin\AppData\Local\Temp\is-MKSML.tmp\acb4ff970a6f5a421f388d8db9ef27a5.tmp" /SL5="$90118,1756126,54272,C:\Users\Admin\AppData\Local\Temp\acb4ff970a6f5a421f388d8db9ef27a5.exe"
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -s
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=1408 --field-trial-handle=2676,i,447940133669489189,1353734109898858672,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 20.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 192.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| GB | 142.250.187.202:443 | tcp | |
| US | 8.8.8.8:53 | 177.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| HK | 141.98.234.31:53 | csixogn.net | udp |
| MD | 45.142.214.240:80 | csixogn.net | tcp |
| US | 8.8.8.8:53 | 31.234.98.141.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.214.142.45.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 66.112.168.52.in-addr.arpa | udp |
Files
memory/4664-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4664-2-0x0000000000400000-0x0000000000414000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-MKSML.tmp\acb4ff970a6f5a421f388d8db9ef27a5.tmp
| MD5 | 92f7775908bb12183914bb0753782913 |
| SHA1 | 8d1091da36832942d48f2fe9a1a216fdd556b9c4 |
| SHA256 | a43c4e3916a92d299c22e2010383b2a8f85e14882a610de57bb2fef91f7984ed |
| SHA512 | 7e39cafdc00a46f2353f6eeaa8fee0d7c94f489d1fd4581e125408bae63a2e6cd135f65807c3574c833f970b64106badb7dd0a2a6ee9859b3b60b3d1b6e19c39 |
memory/1936-7-0x0000000002240000-0x0000000002241000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-QK7FT.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
| MD5 | c79648f3750d1cefcdb36833c743d263 |
| SHA1 | 894203940c5346ae015be20e017dee9b409ddaf5 |
| SHA256 | 89af231d1c627b6bede896ef3eb73d8bc48e4a9e37accb71b7f6723a3fe5953b |
| SHA512 | 052ca6068b18f2d7fcdedcfe01021ce480987c8bf09cda91abb719c9647314c276380563ab1b3fba9cf635499e17eed26c75b7c80bdd59f2ca2c7626c3dd9cf8 |
memory/4764-38-0x0000000000400000-0x0000000000608000-memory.dmp
memory/4764-39-0x0000000000400000-0x0000000000608000-memory.dmp
memory/4764-41-0x0000000000400000-0x0000000000608000-memory.dmp
memory/4764-43-0x0000000000400000-0x0000000000608000-memory.dmp
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
| MD5 | 064436208310d92774fdc1c152b26798 |
| SHA1 | d8c13aeecb696a746e71a8f093bce85fda7d196b |
| SHA256 | ed83d964b1721cf94a05734d0e6137fa04f308376147eaf15f822dbb88f8bb99 |
| SHA512 | 9307a4fca5a145b92e23403b0606399e4f37b3c112d80063bbe71f310b5e93399db5e36c937866ba2f9e941e3c7b9eaf54f7b3f68243546cacc1344269995e6b |
memory/632-46-0x0000000000400000-0x0000000000608000-memory.dmp
memory/4664-47-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1936-48-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/632-50-0x0000000000400000-0x0000000000608000-memory.dmp
memory/1936-51-0x0000000002240000-0x0000000002241000-memory.dmp
memory/632-54-0x0000000000400000-0x0000000000608000-memory.dmp
memory/632-55-0x0000000000400000-0x0000000000608000-memory.dmp
memory/632-58-0x0000000000400000-0x0000000000608000-memory.dmp
memory/632-60-0x0000000000400000-0x0000000000608000-memory.dmp
memory/632-63-0x0000000000400000-0x0000000000608000-memory.dmp
memory/632-66-0x0000000000400000-0x0000000000608000-memory.dmp
memory/632-67-0x0000000000890000-0x0000000000932000-memory.dmp
memory/632-69-0x0000000000890000-0x0000000000932000-memory.dmp
memory/632-74-0x0000000000400000-0x0000000000608000-memory.dmp
memory/632-78-0x0000000000400000-0x0000000000608000-memory.dmp
memory/632-80-0x0000000000890000-0x0000000000932000-memory.dmp
memory/632-82-0x0000000000400000-0x0000000000608000-memory.dmp
memory/632-84-0x0000000000400000-0x0000000000608000-memory.dmp
memory/632-87-0x0000000000400000-0x0000000000608000-memory.dmp
memory/632-90-0x0000000000400000-0x0000000000608000-memory.dmp
memory/632-95-0x0000000000400000-0x0000000000608000-memory.dmp