Analysis
-
max time kernel
165s -
max time network
189s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
23-11-2022 09:46
Static task
static1
Behavioral task
behavioral1
Sample
f8e4854190daf75006cba8ba80504a82f8a3d6127f10f6dd39dd0aeba042ef53.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
f8e4854190daf75006cba8ba80504a82f8a3d6127f10f6dd39dd0aeba042ef53.exe
Resource
win10v2004-20221111-en
General
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Target
f8e4854190daf75006cba8ba80504a82f8a3d6127f10f6dd39dd0aeba042ef53.exe
-
Size
540KB
-
MD5
6d56dc4983053ac5d03ab260a218b299
-
SHA1
bbbb3ba43904b41a442c22b59a2f3492957aa0a6
-
SHA256
f8e4854190daf75006cba8ba80504a82f8a3d6127f10f6dd39dd0aeba042ef53
-
SHA512
7603cb624fb1a3304e8f8a2576d635308ac788b2a6472aa12b0971cd99f55ef8c3fc67c9c58c313512639a1012968896319d87f15845afe5e5d91d9d82ea9555
-
SSDEEP
12288:EdCsfdZ7Bc8rnImOt07DvvBHVqOO6f9G1AkpLKxAhTTGv2q:EPO8r3QgrzqOnfgGSA6TSO
Malware Config
Signatures
-
Ardamax main executable 2 IoCs
Processes:
resource yara_rule C:\Windows\SysWOW64\28463\CLNX.exe family_ardamax C:\Windows\SysWOW64\28463\CLNX.exe family_ardamax -
Executes dropped EXE 3 IoCs
Processes:
f8e4854190daf75006cba8ba80504a82f8a3d6127f10f6dd39dd0aeba042ef53Temp01.exef8e4854190daf75006cba8ba80504a82f8a3d6127f10f6dd39dd0aeba042ef53Temp02.exeCLNX.exepid process 4352 f8e4854190daf75006cba8ba80504a82f8a3d6127f10f6dd39dd0aeba042ef53Temp01.exe 2928 f8e4854190daf75006cba8ba80504a82f8a3d6127f10f6dd39dd0aeba042ef53Temp02.exe 3572 CLNX.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
f8e4854190daf75006cba8ba80504a82f8a3d6127f10f6dd39dd0aeba042ef53Temp01.exeCLNX.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Control Panel\International\Geo\Nation f8e4854190daf75006cba8ba80504a82f8a3d6127f10f6dd39dd0aeba042ef53Temp01.exe Key value queried \REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Control Panel\International\Geo\Nation CLNX.exe -
Loads dropped DLL 7 IoCs
Processes:
f8e4854190daf75006cba8ba80504a82f8a3d6127f10f6dd39dd0aeba042ef53Temp01.exeCLNX.exef8e4854190daf75006cba8ba80504a82f8a3d6127f10f6dd39dd0aeba042ef53Temp02.exepid process 4352 f8e4854190daf75006cba8ba80504a82f8a3d6127f10f6dd39dd0aeba042ef53Temp01.exe 3572 CLNX.exe 3572 CLNX.exe 3572 CLNX.exe 2928 f8e4854190daf75006cba8ba80504a82f8a3d6127f10f6dd39dd0aeba042ef53Temp02.exe 2928 f8e4854190daf75006cba8ba80504a82f8a3d6127f10f6dd39dd0aeba042ef53Temp02.exe 2928 f8e4854190daf75006cba8ba80504a82f8a3d6127f10f6dd39dd0aeba042ef53Temp02.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
CLNX.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run CLNX.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CLNX Agent = "C:\\Windows\\SysWOW64\\28463\\CLNX.exe" CLNX.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Drops file in System32 directory 6 IoCs
Processes:
f8e4854190daf75006cba8ba80504a82f8a3d6127f10f6dd39dd0aeba042ef53Temp01.exeCLNX.exedescription ioc process File created C:\Windows\SysWOW64\28463\CLNX.001 f8e4854190daf75006cba8ba80504a82f8a3d6127f10f6dd39dd0aeba042ef53Temp01.exe File created C:\Windows\SysWOW64\28463\CLNX.006 f8e4854190daf75006cba8ba80504a82f8a3d6127f10f6dd39dd0aeba042ef53Temp01.exe File created C:\Windows\SysWOW64\28463\CLNX.007 f8e4854190daf75006cba8ba80504a82f8a3d6127f10f6dd39dd0aeba042ef53Temp01.exe File created C:\Windows\SysWOW64\28463\CLNX.exe f8e4854190daf75006cba8ba80504a82f8a3d6127f10f6dd39dd0aeba042ef53Temp01.exe File created C:\Windows\SysWOW64\28463\AKV.exe f8e4854190daf75006cba8ba80504a82f8a3d6127f10f6dd39dd0aeba042ef53Temp01.exe File opened for modification C:\Windows\SysWOW64\28463 CLNX.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
CLNX.exedescription pid process Token: 33 3572 CLNX.exe Token: SeIncBasePriorityPrivilege 3572 CLNX.exe Token: SeIncBasePriorityPrivilege 3572 CLNX.exe -
Suspicious use of SetWindowsHookEx 7 IoCs
Processes:
f8e4854190daf75006cba8ba80504a82f8a3d6127f10f6dd39dd0aeba042ef53.exef8e4854190daf75006cba8ba80504a82f8a3d6127f10f6dd39dd0aeba042ef53Temp02.exeCLNX.exepid process 384 f8e4854190daf75006cba8ba80504a82f8a3d6127f10f6dd39dd0aeba042ef53.exe 2928 f8e4854190daf75006cba8ba80504a82f8a3d6127f10f6dd39dd0aeba042ef53Temp02.exe 3572 CLNX.exe 3572 CLNX.exe 3572 CLNX.exe 3572 CLNX.exe 3572 CLNX.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
f8e4854190daf75006cba8ba80504a82f8a3d6127f10f6dd39dd0aeba042ef53.exef8e4854190daf75006cba8ba80504a82f8a3d6127f10f6dd39dd0aeba042ef53Temp01.exeCLNX.exedescription pid process target process PID 384 wrote to memory of 4352 384 f8e4854190daf75006cba8ba80504a82f8a3d6127f10f6dd39dd0aeba042ef53.exe f8e4854190daf75006cba8ba80504a82f8a3d6127f10f6dd39dd0aeba042ef53Temp01.exe PID 384 wrote to memory of 4352 384 f8e4854190daf75006cba8ba80504a82f8a3d6127f10f6dd39dd0aeba042ef53.exe f8e4854190daf75006cba8ba80504a82f8a3d6127f10f6dd39dd0aeba042ef53Temp01.exe PID 384 wrote to memory of 4352 384 f8e4854190daf75006cba8ba80504a82f8a3d6127f10f6dd39dd0aeba042ef53.exe f8e4854190daf75006cba8ba80504a82f8a3d6127f10f6dd39dd0aeba042ef53Temp01.exe PID 384 wrote to memory of 2928 384 f8e4854190daf75006cba8ba80504a82f8a3d6127f10f6dd39dd0aeba042ef53.exe f8e4854190daf75006cba8ba80504a82f8a3d6127f10f6dd39dd0aeba042ef53Temp02.exe PID 384 wrote to memory of 2928 384 f8e4854190daf75006cba8ba80504a82f8a3d6127f10f6dd39dd0aeba042ef53.exe f8e4854190daf75006cba8ba80504a82f8a3d6127f10f6dd39dd0aeba042ef53Temp02.exe PID 384 wrote to memory of 2928 384 f8e4854190daf75006cba8ba80504a82f8a3d6127f10f6dd39dd0aeba042ef53.exe f8e4854190daf75006cba8ba80504a82f8a3d6127f10f6dd39dd0aeba042ef53Temp02.exe PID 4352 wrote to memory of 3572 4352 f8e4854190daf75006cba8ba80504a82f8a3d6127f10f6dd39dd0aeba042ef53Temp01.exe CLNX.exe PID 4352 wrote to memory of 3572 4352 f8e4854190daf75006cba8ba80504a82f8a3d6127f10f6dd39dd0aeba042ef53Temp01.exe CLNX.exe PID 4352 wrote to memory of 3572 4352 f8e4854190daf75006cba8ba80504a82f8a3d6127f10f6dd39dd0aeba042ef53Temp01.exe CLNX.exe PID 3572 wrote to memory of 3160 3572 CLNX.exe cmd.exe PID 3572 wrote to memory of 3160 3572 CLNX.exe cmd.exe PID 3572 wrote to memory of 3160 3572 CLNX.exe cmd.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\f8e4854190daf75006cba8ba80504a82f8a3d6127f10f6dd39dd0aeba042ef53.exe"C:\Users\Admin\AppData\Local\Temp\f8e4854190daf75006cba8ba80504a82f8a3d6127f10f6dd39dd0aeba042ef53.exe"1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:384 -
\??\c:\f8e4854190daf75006cba8ba80504a82f8a3d6127f10f6dd39dd0aeba042ef53Temp01.exec:\f8e4854190daf75006cba8ba80504a82f8a3d6127f10f6dd39dd0aeba042ef53Temp01.exe2⤵
- Executes dropped EXE
- Checks computer location settings
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:4352 -
C:\Windows\SysWOW64\28463\CLNX.exe"C:\Windows\system32\28463\CLNX.exe"3⤵
- Executes dropped EXE
- Checks computer location settings
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3572 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c del C:\Windows\SysWOW64\28463\CLNX.exe > nul4⤵PID:3160
-
\??\c:\f8e4854190daf75006cba8ba80504a82f8a3d6127f10f6dd39dd0aeba042ef53Temp02.exec:\f8e4854190daf75006cba8ba80504a82f8a3d6127f10f6dd39dd0aeba042ef53Temp02.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
PID:2928
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3572 -ip 35721⤵PID:2956
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
-
Filesize
4KB
MD5ac2120f3b2fb824a5c1f3752dc944d21
SHA18bfbf3887103e886736e0802f88ed860a450856e
SHA256fd9c203a32eec0afe4ab1e3ae02c68ac27649120bb3f0af68852ba487384ecaf
SHA512474d77a27e3553aa58b394e77317a770f700f59580820741269e6c4746e664ce483a33a51baecd45ef4ac1a13e451a2c47d95c9abb79c7bc5cf902646f78c90f
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Filesize
407KB
MD533dc7c00c1d64022dcea78d2147a90a5
SHA121b50a05d4bbfe74c1df846d9268dc953f8050a3
SHA256e6164ff194fb651a44db5a78d680bc19efe242f3f8e95f5aedbe1cc7f00ef4ef
SHA5123f5e3db56d056d49b094b33ddcdae8c528ec19851daa9576f00cb347f628b82bbe045fee51d92cf5507822188e5bce17b745cbc6bad155fae16b73eb191bb98f
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Filesize
424B
MD596f7d6c00de3356fc87706d98c4b0834
SHA1ee4c9921405984d30f5090efac97cecf39562ed9
SHA256d8bde461d3460dcbd388468273bacae0c982aa0375be57907f43b18a7ed13f92
SHA51212551c5c2178a8c9511afc0923a1b5d68fcb5a93ad1343335b7eaaba5921188a92bfd90a4b162b15a61063a958c50ea19cd4d859aa68230f7c5c19a947e3818c
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Filesize
8KB
MD58499922ab422c17e550a724083be50c7
SHA1914aa24da69f9882d12d7d7cceae38de4dbcad1c
SHA256894ff0262900acdc5b0266f75b2db829d3dec9a059f28888d5c0997d5b76db8a
SHA5129d2e7619c7e8e459449a7f70d581ae52a1d33ba1c90b2a14812c2a44474451dc06e78a8e410aae5e7caf9306bbe739b1eeca1a1bc167498a982d9f1320dbbd1b
-
Filesize
8KB
MD58499922ab422c17e550a724083be50c7
SHA1914aa24da69f9882d12d7d7cceae38de4dbcad1c
SHA256894ff0262900acdc5b0266f75b2db829d3dec9a059f28888d5c0997d5b76db8a
SHA5129d2e7619c7e8e459449a7f70d581ae52a1d33ba1c90b2a14812c2a44474451dc06e78a8e410aae5e7caf9306bbe739b1eeca1a1bc167498a982d9f1320dbbd1b
-
Filesize
8KB
MD58499922ab422c17e550a724083be50c7
SHA1914aa24da69f9882d12d7d7cceae38de4dbcad1c
SHA256894ff0262900acdc5b0266f75b2db829d3dec9a059f28888d5c0997d5b76db8a
SHA5129d2e7619c7e8e459449a7f70d581ae52a1d33ba1c90b2a14812c2a44474451dc06e78a8e410aae5e7caf9306bbe739b1eeca1a1bc167498a982d9f1320dbbd1b
-
Filesize
5KB
MD5b128c2f3eafaff6725ed554a2a21b72f
SHA1377c206483b5348eb4b657363d29cae830be0b8c
SHA256b9939a330a7cf6d9947a2b3ffb52170a35d5927e401016e7694fdd24ba1aa4ef
SHA5123de5ec44becf7520d7ae32764b4636a1d727ab92d192fd92d725d6d308067e331f88e62f3cd9a4a334eb1d9e2ea44bf30f14ebd4e4f2877cdbd6b7bf0ed771c8
-
Filesize
5KB
MD5b128c2f3eafaff6725ed554a2a21b72f
SHA1377c206483b5348eb4b657363d29cae830be0b8c
SHA256b9939a330a7cf6d9947a2b3ffb52170a35d5927e401016e7694fdd24ba1aa4ef
SHA5123de5ec44becf7520d7ae32764b4636a1d727ab92d192fd92d725d6d308067e331f88e62f3cd9a4a334eb1d9e2ea44bf30f14ebd4e4f2877cdbd6b7bf0ed771c8
-
Filesize
5KB
MD5b128c2f3eafaff6725ed554a2a21b72f
SHA1377c206483b5348eb4b657363d29cae830be0b8c
SHA256b9939a330a7cf6d9947a2b3ffb52170a35d5927e401016e7694fdd24ba1aa4ef
SHA5123de5ec44becf7520d7ae32764b4636a1d727ab92d192fd92d725d6d308067e331f88e62f3cd9a4a334eb1d9e2ea44bf30f14ebd4e4f2877cdbd6b7bf0ed771c8
-
Filesize
5KB
MD5b128c2f3eafaff6725ed554a2a21b72f
SHA1377c206483b5348eb4b657363d29cae830be0b8c
SHA256b9939a330a7cf6d9947a2b3ffb52170a35d5927e401016e7694fdd24ba1aa4ef
SHA5123de5ec44becf7520d7ae32764b4636a1d727ab92d192fd92d725d6d308067e331f88e62f3cd9a4a334eb1d9e2ea44bf30f14ebd4e4f2877cdbd6b7bf0ed771c8
-
Filesize
5KB
MD5b128c2f3eafaff6725ed554a2a21b72f
SHA1377c206483b5348eb4b657363d29cae830be0b8c
SHA256b9939a330a7cf6d9947a2b3ffb52170a35d5927e401016e7694fdd24ba1aa4ef
SHA5123de5ec44becf7520d7ae32764b4636a1d727ab92d192fd92d725d6d308067e331f88e62f3cd9a4a334eb1d9e2ea44bf30f14ebd4e4f2877cdbd6b7bf0ed771c8
-
Filesize
513KB
MD50c7a714b8e1d2ead2afc90dcc43bbe18
SHA166736613f22771f5da5606ed8c80b572b3f5c103
SHA256800bdf00e09f302a17e22d26dffbea037e3c077ef9f6d1d585c114f079397a9e
SHA51235db0de86c168eb6302dcbaa1e1f9ec96b5a8814e7067e1a7bb682e9f35fc06c51148a08e6f7df1e8caeb2effde555c53966a8922e8fef6b7ce194dc81c984b4
-
Filesize
513KB
MD50c7a714b8e1d2ead2afc90dcc43bbe18
SHA166736613f22771f5da5606ed8c80b572b3f5c103
SHA256800bdf00e09f302a17e22d26dffbea037e3c077ef9f6d1d585c114f079397a9e
SHA51235db0de86c168eb6302dcbaa1e1f9ec96b5a8814e7067e1a7bb682e9f35fc06c51148a08e6f7df1e8caeb2effde555c53966a8922e8fef6b7ce194dc81c984b4
-
Filesize
516KB
MD52013e2036da7e0ae04c30b2212450a0d
SHA18563d35137d02c76c7c77907a8f98997c92e2ff3
SHA256c664447de0b9959dcc20b2baa47c10f02174a8b5f622492113d0e72af71844fc
SHA512ded2e35972170c96bf647b7be0d037d4f1834ef9404cdc49a736be414bb86a5e960735f4658fdc2beb4ed4d40cad738306b02a8f6542e5a8429e3b077b7f0a6a
-
Filesize
20KB
MD5b83fcea99b910a6817c1a050f434b095
SHA17123c4c5729459e99fd99b352589285667d3efed
SHA2566f5cb145c99210c9be48dac2a439d8bbd16c77151c27c78bb50b2ada0b7f36a1
SHA51221bc508864b77b1ec8bbc716e92977fb72ffe67b253c54e696e57c15940e7d6b693df4fbf1d71a537921faa667900c0808107f21e5b4b689a7004c3ea3a9ec2e
-
Filesize
516KB
MD52013e2036da7e0ae04c30b2212450a0d
SHA18563d35137d02c76c7c77907a8f98997c92e2ff3
SHA256c664447de0b9959dcc20b2baa47c10f02174a8b5f622492113d0e72af71844fc
SHA512ded2e35972170c96bf647b7be0d037d4f1834ef9404cdc49a736be414bb86a5e960735f4658fdc2beb4ed4d40cad738306b02a8f6542e5a8429e3b077b7f0a6a
-
Filesize
20KB
MD5b83fcea99b910a6817c1a050f434b095
SHA17123c4c5729459e99fd99b352589285667d3efed
SHA2566f5cb145c99210c9be48dac2a439d8bbd16c77151c27c78bb50b2ada0b7f36a1
SHA51221bc508864b77b1ec8bbc716e92977fb72ffe67b253c54e696e57c15940e7d6b693df4fbf1d71a537921faa667900c0808107f21e5b4b689a7004c3ea3a9ec2e