Analysis
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max time kernel
148s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
19-10-2022 21:55
Static task
static1
Behavioral task
behavioral1
Sample
b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800.exe
Resource
win10v2004-20220901-en
General
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Target
b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800.exe
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Size
1.3MB
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MD5
82dfcb5c33adaaae2975ad51b9258470
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SHA1
dbc6fe3e95544f837f442635627c2254d7b579ed
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SHA256
b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800
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SHA512
d415bd5388ec0129914582256ae9c648168290d4f65bb41e3591670d9b50518109cc1f41f04ad7d5caa9a0d24e4b63f139ebcf1b6b1ee9e03f582043808ab32a
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SSDEEP
24576:43Sp4fuQAhpQ5LbQxHO9D2iXBo5/sOU1IdvMBC1vpPi9PRWLtY9TxdNEmAN2m:B42QA05b+aHBohsV1QvpK5RQtY9TxsJo
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
Processes:
b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "\"C:\\Users\\Admin\\AppData\\Roaming\\wu5Fovm4810Xe9Bi\\YFAig4Ie0KaC.exe\",explorer.exe" b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800.exe -
Executes dropped EXE 2 IoCs
Processes:
J5g7I0m6LYXp5zSG.exeis-2SAHL.tmppid process 1552 J5g7I0m6LYXp5zSG.exe 1424 is-2SAHL.tmp -
Loads dropped DLL 7 IoCs
Processes:
b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800.exeJ5g7I0m6LYXp5zSG.exeis-2SAHL.tmppid process 884 b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800.exe 1552 J5g7I0m6LYXp5zSG.exe 1552 J5g7I0m6LYXp5zSG.exe 1552 J5g7I0m6LYXp5zSG.exe 1552 J5g7I0m6LYXp5zSG.exe 1424 is-2SAHL.tmp 1424 is-2SAHL.tmp -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800.exepid process 884 b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800.exedescription pid process Token: SeDebugPrivilege 884 b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800.exe Token: SeDebugPrivilege 884 b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800.exepid process 884 b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800.exeJ5g7I0m6LYXp5zSG.exedescription pid process target process PID 884 wrote to memory of 1552 884 b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800.exe J5g7I0m6LYXp5zSG.exe PID 884 wrote to memory of 1552 884 b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800.exe J5g7I0m6LYXp5zSG.exe PID 884 wrote to memory of 1552 884 b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800.exe J5g7I0m6LYXp5zSG.exe PID 884 wrote to memory of 1552 884 b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800.exe J5g7I0m6LYXp5zSG.exe PID 884 wrote to memory of 1552 884 b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800.exe J5g7I0m6LYXp5zSG.exe PID 884 wrote to memory of 1552 884 b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800.exe J5g7I0m6LYXp5zSG.exe PID 884 wrote to memory of 1552 884 b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800.exe J5g7I0m6LYXp5zSG.exe PID 1552 wrote to memory of 1424 1552 J5g7I0m6LYXp5zSG.exe is-2SAHL.tmp PID 1552 wrote to memory of 1424 1552 J5g7I0m6LYXp5zSG.exe is-2SAHL.tmp PID 1552 wrote to memory of 1424 1552 J5g7I0m6LYXp5zSG.exe is-2SAHL.tmp PID 1552 wrote to memory of 1424 1552 J5g7I0m6LYXp5zSG.exe is-2SAHL.tmp PID 1552 wrote to memory of 1424 1552 J5g7I0m6LYXp5zSG.exe is-2SAHL.tmp PID 1552 wrote to memory of 1424 1552 J5g7I0m6LYXp5zSG.exe is-2SAHL.tmp PID 1552 wrote to memory of 1424 1552 J5g7I0m6LYXp5zSG.exe is-2SAHL.tmp
Processes
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C:\Users\Admin\AppData\Local\Temp\b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800.exe"C:\Users\Admin\AppData\Local\Temp\b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800.exe"1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:884 -
C:\Users\Admin\AppData\Local\Temp\J5g7I0m6LYXp5zSG.exe"C:\Users\Admin\AppData\Local\Temp\J5g7I0m6LYXp5zSG.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1552 -
C:\Users\Admin\AppData\Local\Temp\is-IEUKT.tmp\is-2SAHL.tmp"C:\Users\Admin\AppData\Local\Temp\is-IEUKT.tmp\is-2SAHL.tmp" /SL4 $10162 C:\Users\Admin\AppData\Local\Temp\J5g7I0m6LYXp5zSG.exe 435071 506883⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1424
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
634KB
MD569ffc65b14c4428dd95922629a125d09
SHA1f9d287bf5d9fb78a348f214888a6408cd144bc16
SHA256f7d9a130b911d52cfd4d00e9c61d0360064d82cfe440bdca16af0ee0c56b16db
SHA512a2476b48933e7e150519172c3e8eeabb1f9129f9e1dd5d7ff50d5423bd02d0800638382e5994997864cf726ea6ebe571966771e082e34f873029582770deb7ec
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Filesize
634KB
MD569ffc65b14c4428dd95922629a125d09
SHA1f9d287bf5d9fb78a348f214888a6408cd144bc16
SHA256f7d9a130b911d52cfd4d00e9c61d0360064d82cfe440bdca16af0ee0c56b16db
SHA512a2476b48933e7e150519172c3e8eeabb1f9129f9e1dd5d7ff50d5423bd02d0800638382e5994997864cf726ea6ebe571966771e082e34f873029582770deb7ec
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Filesize
572KB
MD50d0622f7d2fd629455a028d7e1cb1c07
SHA182bdfc15f188241c535d7a42f0f95c99d0913bf4
SHA256ab0982c120a65adc3aa898af09ad923c9b896edfc52f7d206798c5fdf59d8f5a
SHA512eb5a930c1ba85b9cdb60a65fcead39592f7a1b87985d927580bbdb9f8682087291a4eac9f5b2f7c8d4aa7abff78ce8c53dd7285bd7be8572cb65ade906e8807a
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Filesize
572KB
MD50d0622f7d2fd629455a028d7e1cb1c07
SHA182bdfc15f188241c535d7a42f0f95c99d0913bf4
SHA256ab0982c120a65adc3aa898af09ad923c9b896edfc52f7d206798c5fdf59d8f5a
SHA512eb5a930c1ba85b9cdb60a65fcead39592f7a1b87985d927580bbdb9f8682087291a4eac9f5b2f7c8d4aa7abff78ce8c53dd7285bd7be8572cb65ade906e8807a
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Filesize
634KB
MD569ffc65b14c4428dd95922629a125d09
SHA1f9d287bf5d9fb78a348f214888a6408cd144bc16
SHA256f7d9a130b911d52cfd4d00e9c61d0360064d82cfe440bdca16af0ee0c56b16db
SHA512a2476b48933e7e150519172c3e8eeabb1f9129f9e1dd5d7ff50d5423bd02d0800638382e5994997864cf726ea6ebe571966771e082e34f873029582770deb7ec
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Filesize
634KB
MD569ffc65b14c4428dd95922629a125d09
SHA1f9d287bf5d9fb78a348f214888a6408cd144bc16
SHA256f7d9a130b911d52cfd4d00e9c61d0360064d82cfe440bdca16af0ee0c56b16db
SHA512a2476b48933e7e150519172c3e8eeabb1f9129f9e1dd5d7ff50d5423bd02d0800638382e5994997864cf726ea6ebe571966771e082e34f873029582770deb7ec
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Filesize
634KB
MD569ffc65b14c4428dd95922629a125d09
SHA1f9d287bf5d9fb78a348f214888a6408cd144bc16
SHA256f7d9a130b911d52cfd4d00e9c61d0360064d82cfe440bdca16af0ee0c56b16db
SHA512a2476b48933e7e150519172c3e8eeabb1f9129f9e1dd5d7ff50d5423bd02d0800638382e5994997864cf726ea6ebe571966771e082e34f873029582770deb7ec
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Filesize
634KB
MD569ffc65b14c4428dd95922629a125d09
SHA1f9d287bf5d9fb78a348f214888a6408cd144bc16
SHA256f7d9a130b911d52cfd4d00e9c61d0360064d82cfe440bdca16af0ee0c56b16db
SHA512a2476b48933e7e150519172c3e8eeabb1f9129f9e1dd5d7ff50d5423bd02d0800638382e5994997864cf726ea6ebe571966771e082e34f873029582770deb7ec
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Filesize
572KB
MD50d0622f7d2fd629455a028d7e1cb1c07
SHA182bdfc15f188241c535d7a42f0f95c99d0913bf4
SHA256ab0982c120a65adc3aa898af09ad923c9b896edfc52f7d206798c5fdf59d8f5a
SHA512eb5a930c1ba85b9cdb60a65fcead39592f7a1b87985d927580bbdb9f8682087291a4eac9f5b2f7c8d4aa7abff78ce8c53dd7285bd7be8572cb65ade906e8807a
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Filesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
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Filesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3