Analysis
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max time kernel
62s -
max time network
64s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
11-01-2023 15:46
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
1.3MB
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MD5
59e32621d0d3aa5ed8cc250271bf3310
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SHA1
2fd16deb0eb99f27e84276e8209b3d707f8f65cc
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SHA256
132a92279a68da67013764bd0b25422d973e1325b3feb356b4a1a099d2188707
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SHA512
4eb3b3dfd95b2137c363a7b73e446a3a90b7fd485d5668d9de5e1fec137b27fa81f349c7f60383888ae4973c9e4b18f0f4657a9a1a97edc4a19a349819a72bcb
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SSDEEP
24576:q20Itvp18p59he2FNqB8x9M71hUNPpPcQ3H5gXC75ld1qSVpk:q2NpCpPfFNc8xK7sfBd1qapk
Malware Config
Extracted
nymaim
45.139.105.171
85.31.46.167
Signatures
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Executes dropped EXE 3 IoCs
pid Process 1520 file.tmp 1500 LitFiles137.exe 1188 cLnvsakT.exe -
Loads dropped DLL 6 IoCs
pid Process 1516 file.exe 1520 file.tmp 1520 file.tmp 1520 file.tmp 1520 file.tmp 1500 LitFiles137.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 17 IoCs
description ioc Process File created C:\Program Files (x86)\Split Files\is-AHIJM.tmp file.tmp File created C:\Program Files (x86)\Split Files\is-SQ0C4.tmp file.tmp File opened for modification C:\Program Files (x86)\Split Files\LitFiles137.exe file.tmp File created C:\Program Files (x86)\Split Files\language\is-1KR59.tmp file.tmp File created C:\Program Files (x86)\Split Files\language\is-O1J94.tmp file.tmp File created C:\Program Files (x86)\Split Files\language\is-N3Q6J.tmp file.tmp File created C:\Program Files (x86)\Split Files\is-2EELJ.tmp file.tmp File created C:\Program Files (x86)\Split Files\language\is-HMH9P.tmp file.tmp File created C:\Program Files (x86)\Split Files\language\is-EDLVI.tmp file.tmp File created C:\Program Files (x86)\Split Files\is-AAPOG.tmp file.tmp File created C:\Program Files (x86)\Split Files\language\is-UFO6K.tmp file.tmp File created C:\Program Files (x86)\Split Files\language\is-CHT4K.tmp file.tmp File created C:\Program Files (x86)\Split Files\language\is-MFGI4.tmp file.tmp File created C:\Program Files (x86)\Split Files\language\is-VIU02.tmp file.tmp File opened for modification C:\Program Files (x86)\Split Files\unins000.dat file.tmp File created C:\Program Files (x86)\Split Files\unins000.dat file.tmp File created C:\Program Files (x86)\Split Files\is-U0L0T.tmp file.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 892 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1500 LitFiles137.exe 1500 LitFiles137.exe 1500 LitFiles137.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 892 taskkill.exe -
Suspicious use of WriteProcessMemory 23 IoCs
description pid Process procid_target PID 1516 wrote to memory of 1520 1516 file.exe 27 PID 1516 wrote to memory of 1520 1516 file.exe 27 PID 1516 wrote to memory of 1520 1516 file.exe 27 PID 1516 wrote to memory of 1520 1516 file.exe 27 PID 1516 wrote to memory of 1520 1516 file.exe 27 PID 1516 wrote to memory of 1520 1516 file.exe 27 PID 1516 wrote to memory of 1520 1516 file.exe 27 PID 1520 wrote to memory of 1500 1520 file.tmp 28 PID 1520 wrote to memory of 1500 1520 file.tmp 28 PID 1520 wrote to memory of 1500 1520 file.tmp 28 PID 1520 wrote to memory of 1500 1520 file.tmp 28 PID 1500 wrote to memory of 1188 1500 LitFiles137.exe 29 PID 1500 wrote to memory of 1188 1500 LitFiles137.exe 29 PID 1500 wrote to memory of 1188 1500 LitFiles137.exe 29 PID 1500 wrote to memory of 1188 1500 LitFiles137.exe 29 PID 1500 wrote to memory of 660 1500 LitFiles137.exe 32 PID 1500 wrote to memory of 660 1500 LitFiles137.exe 32 PID 1500 wrote to memory of 660 1500 LitFiles137.exe 32 PID 1500 wrote to memory of 660 1500 LitFiles137.exe 32 PID 660 wrote to memory of 892 660 cmd.exe 34 PID 660 wrote to memory of 892 660 cmd.exe 34 PID 660 wrote to memory of 892 660 cmd.exe 34 PID 660 wrote to memory of 892 660 cmd.exe 34
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:1516 -
C:\Users\Admin\AppData\Local\Temp\is-KFCFG.tmp\file.tmp"C:\Users\Admin\AppData\Local\Temp\is-KFCFG.tmp\file.tmp" /SL5="$70022,1087867,212992,C:\Users\Admin\AppData\Local\Temp\file.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1520 -
C:\Program Files (x86)\Split Files\LitFiles137.exe"C:\Program Files (x86)\Split Files\LitFiles137.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1500 -
C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\cLnvsakT.exe
- Executes dropped EXE
PID:1188
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "LitFiles137.exe" /f & erase "C:\Program Files (x86)\Split Files\LitFiles137.exe" & exit4⤵
- Suspicious use of WriteProcessMemory
PID:660 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "LitFiles137.exe" /f5⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:892
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1.8MB
MD53c4bc26905dfc89a4a61fb520b8131f7
SHA16a602a1062eb0a181136a9d3bb43f64f97fbe6cf
SHA2561770e5d09b50f725c357b89b294ad9cb17291440e295689ecbff4fe74ea330e9
SHA512a942811507515511f36257c1da0434bc575d61ef396c8ba4ffda609419ef5b11b93b4cac1b06ddedc7a668013dbf1f41db4b1e0646cb29e10221e3854c6abf6d
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Filesize
1.8MB
MD53c4bc26905dfc89a4a61fb520b8131f7
SHA16a602a1062eb0a181136a9d3bb43f64f97fbe6cf
SHA2561770e5d09b50f725c357b89b294ad9cb17291440e295689ecbff4fe74ea330e9
SHA512a942811507515511f36257c1da0434bc575d61ef396c8ba4ffda609419ef5b11b93b4cac1b06ddedc7a668013dbf1f41db4b1e0646cb29e10221e3854c6abf6d
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Filesize
695KB
MD5415533bb40980951c966665cff9e2fe7
SHA1fce396c8fa01876dd008f22c8be9a9b706f4aaec
SHA256f688364bb17f03e53de641e7a0b0efefe30ac155fa9fa414a2150204ed9d3734
SHA5123a8f88fa83e9f8be96fc9a0e8b47536455f50b1c511210d98fa178444b1e5ad1943cc3000e869f6dba4c782b48a3538d0b52d5e29ce3a692636aefc0e52083ae
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Filesize
695KB
MD5415533bb40980951c966665cff9e2fe7
SHA1fce396c8fa01876dd008f22c8be9a9b706f4aaec
SHA256f688364bb17f03e53de641e7a0b0efefe30ac155fa9fa414a2150204ed9d3734
SHA5123a8f88fa83e9f8be96fc9a0e8b47536455f50b1c511210d98fa178444b1e5ad1943cc3000e869f6dba4c782b48a3538d0b52d5e29ce3a692636aefc0e52083ae
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Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
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Filesize
1.8MB
MD53c4bc26905dfc89a4a61fb520b8131f7
SHA16a602a1062eb0a181136a9d3bb43f64f97fbe6cf
SHA2561770e5d09b50f725c357b89b294ad9cb17291440e295689ecbff4fe74ea330e9
SHA512a942811507515511f36257c1da0434bc575d61ef396c8ba4ffda609419ef5b11b93b4cac1b06ddedc7a668013dbf1f41db4b1e0646cb29e10221e3854c6abf6d
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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
695KB
MD5415533bb40980951c966665cff9e2fe7
SHA1fce396c8fa01876dd008f22c8be9a9b706f4aaec
SHA256f688364bb17f03e53de641e7a0b0efefe30ac155fa9fa414a2150204ed9d3734
SHA5123a8f88fa83e9f8be96fc9a0e8b47536455f50b1c511210d98fa178444b1e5ad1943cc3000e869f6dba4c782b48a3538d0b52d5e29ce3a692636aefc0e52083ae
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Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c