Analysis
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max time kernel
64s -
max time network
67s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
31/10/2022, 22:02
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
General
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Target
file.exe
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Size
2.5MB
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MD5
35c82d586f59bb4e0072a8a085efff47
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SHA1
089024610b0991b00ff314962af4652756cf3628
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SHA256
9b85176a686d741d54e05e0f63cc4b9223bf0d43da5c58f919546e0ecd1952e1
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SHA512
841f93c1535b5454085728dcc19080fa2c77122fa85eeff55e7483dfc5262948abb9e948b2e23f2d9b0e630a907bcc12241bf2da1764591b0ce51b5b3caf191b
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SSDEEP
49152:Z2Y3Hd2PQRigqrImQ5cdbH67+dbyP4Tr70RN7OXWQB9GJXC4+61IuTA5hq:M89aQRTqcmQ5cpaj4TA4mQTGJXCH61IE
Malware Config
Extracted
nymaim
45.139.105.171
85.31.46.167
Signatures
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Executes dropped EXE 3 IoCs
pid Process 1688 is-IV59S.tmp 1272 fhsearcher65.exe 1940 eetC0No2.exe -
Loads dropped DLL 6 IoCs
pid Process 1100 file.exe 1688 is-IV59S.tmp 1688 is-IV59S.tmp 1688 is-IV59S.tmp 1688 is-IV59S.tmp 1272 fhsearcher65.exe -
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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Drops file in Program Files directory 12 IoCs
description ioc Process File created C:\Program Files (x86)\fhSearcher\is-9NA8L.tmp is-IV59S.tmp File created C:\Program Files (x86)\fhSearcher\is-0STEH.tmp is-IV59S.tmp File created C:\Program Files (x86)\fhSearcher\is-FUTUD.tmp is-IV59S.tmp File opened for modification C:\Program Files (x86)\fhSearcher\unins000.dat is-IV59S.tmp File created C:\Program Files (x86)\fhSearcher\is-RICVS.tmp is-IV59S.tmp File created C:\Program Files (x86)\fhSearcher\is-H2DLB.tmp is-IV59S.tmp File created C:\Program Files (x86)\fhSearcher\is-OCT5B.tmp is-IV59S.tmp File created C:\Program Files (x86)\fhSearcher\is-6KHPD.tmp is-IV59S.tmp File created C:\Program Files (x86)\fhSearcher\is-6G7D0.tmp is-IV59S.tmp File opened for modification C:\Program Files (x86)\fhSearcher\fhsearcher65.exe is-IV59S.tmp File created C:\Program Files (x86)\fhSearcher\unins000.dat is-IV59S.tmp File created C:\Program Files (x86)\fhSearcher\is-1H3QJ.tmp is-IV59S.tmp -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Kills process with taskkill 1 IoCs
pid Process 1728 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1272 fhsearcher65.exe 1272 fhsearcher65.exe 1272 fhsearcher65.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1728 taskkill.exe -
Suspicious use of WriteProcessMemory 23 IoCs
description pid Process procid_target PID 1100 wrote to memory of 1688 1100 file.exe 28 PID 1100 wrote to memory of 1688 1100 file.exe 28 PID 1100 wrote to memory of 1688 1100 file.exe 28 PID 1100 wrote to memory of 1688 1100 file.exe 28 PID 1100 wrote to memory of 1688 1100 file.exe 28 PID 1100 wrote to memory of 1688 1100 file.exe 28 PID 1100 wrote to memory of 1688 1100 file.exe 28 PID 1688 wrote to memory of 1272 1688 is-IV59S.tmp 29 PID 1688 wrote to memory of 1272 1688 is-IV59S.tmp 29 PID 1688 wrote to memory of 1272 1688 is-IV59S.tmp 29 PID 1688 wrote to memory of 1272 1688 is-IV59S.tmp 29 PID 1272 wrote to memory of 1940 1272 fhsearcher65.exe 32 PID 1272 wrote to memory of 1940 1272 fhsearcher65.exe 32 PID 1272 wrote to memory of 1940 1272 fhsearcher65.exe 32 PID 1272 wrote to memory of 1940 1272 fhsearcher65.exe 32 PID 1272 wrote to memory of 1124 1272 fhsearcher65.exe 33 PID 1272 wrote to memory of 1124 1272 fhsearcher65.exe 33 PID 1272 wrote to memory of 1124 1272 fhsearcher65.exe 33 PID 1272 wrote to memory of 1124 1272 fhsearcher65.exe 33 PID 1124 wrote to memory of 1728 1124 cmd.exe 35 PID 1124 wrote to memory of 1728 1124 cmd.exe 35 PID 1124 wrote to memory of 1728 1124 cmd.exe 35 PID 1124 wrote to memory of 1728 1124 cmd.exe 35
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1100 -
C:\Users\Admin\AppData\Local\Temp\is-8ELS8.tmp\is-IV59S.tmp"C:\Users\Admin\AppData\Local\Temp\is-8ELS8.tmp\is-IV59S.tmp" /SL4 $60126 "C:\Users\Admin\AppData\Local\Temp\file.exe" 2369099 527362⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1688 -
C:\Program Files (x86)\fhSearcher\fhsearcher65.exe"C:\Program Files (x86)\fhSearcher\fhsearcher65.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1272 -
C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\eetC0No2.exe4⤵
- Executes dropped EXE
PID:1940
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "fhsearcher65.exe" /f & erase "C:\Program Files (x86)\fhSearcher\fhsearcher65.exe" & exit4⤵
- Suspicious use of WriteProcessMemory
PID:1124 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "fhsearcher65.exe" /f5⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1728
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
3.6MB
MD58f5f63517718422f797122b415a12f84
SHA10f39d193f11d161997d14355024840cec94cecf8
SHA256cd0053feb4c9d74501447e7bea0f46527cbf1300fbfd9b7c402c55e028cc3df6
SHA512089d9d56c2fb59609b66814dd29a1546f9b2f87836288addb0d90cb74689070c5e9dee65ae8dca555b8776717983efc49ce2e1bc6d6646fe0a867a19e7d245ed
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Filesize
3.6MB
MD58f5f63517718422f797122b415a12f84
SHA10f39d193f11d161997d14355024840cec94cecf8
SHA256cd0053feb4c9d74501447e7bea0f46527cbf1300fbfd9b7c402c55e028cc3df6
SHA512089d9d56c2fb59609b66814dd29a1546f9b2f87836288addb0d90cb74689070c5e9dee65ae8dca555b8776717983efc49ce2e1bc6d6646fe0a867a19e7d245ed
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Filesize
657KB
MD57cd12c54a9751ca6eee6ab0c85fb68f5
SHA176562e9b7888b6d20d67addb5a90b68b54a51987
SHA256e82cabb027db8846c3430be760f137afa164c36f9e1b93a6e34c96de0b2c5a5f
SHA51227ba5d2f719aaac2ead6fb42f23af3aa866f75026be897cd2f561f3e383904e89e6043bd22b4ae24f69787bd258a68ff696c09c03d656cbf7c79c2a52d8d82cc
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Filesize
657KB
MD57cd12c54a9751ca6eee6ab0c85fb68f5
SHA176562e9b7888b6d20d67addb5a90b68b54a51987
SHA256e82cabb027db8846c3430be760f137afa164c36f9e1b93a6e34c96de0b2c5a5f
SHA51227ba5d2f719aaac2ead6fb42f23af3aa866f75026be897cd2f561f3e383904e89e6043bd22b4ae24f69787bd258a68ff696c09c03d656cbf7c79c2a52d8d82cc
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Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
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Filesize
3.6MB
MD58f5f63517718422f797122b415a12f84
SHA10f39d193f11d161997d14355024840cec94cecf8
SHA256cd0053feb4c9d74501447e7bea0f46527cbf1300fbfd9b7c402c55e028cc3df6
SHA512089d9d56c2fb59609b66814dd29a1546f9b2f87836288addb0d90cb74689070c5e9dee65ae8dca555b8776717983efc49ce2e1bc6d6646fe0a867a19e7d245ed
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Filesize
657KB
MD57cd12c54a9751ca6eee6ab0c85fb68f5
SHA176562e9b7888b6d20d67addb5a90b68b54a51987
SHA256e82cabb027db8846c3430be760f137afa164c36f9e1b93a6e34c96de0b2c5a5f
SHA51227ba5d2f719aaac2ead6fb42f23af3aa866f75026be897cd2f561f3e383904e89e6043bd22b4ae24f69787bd258a68ff696c09c03d656cbf7c79c2a52d8d82cc
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
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Filesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
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Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c