Analysis
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max time kernel
56s -
max time network
58s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
12-01-2023 23:33
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
1.5MB
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MD5
f3a7fc4131800b5959b12e0c5c5e16f8
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SHA1
ac813562b00ade824941b7f916940ccfad479f69
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SHA256
9070134ffd48c3ec0cae608e4d78587198ba13e56410c49493bd3efe08571159
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SHA512
1b859ab03fd207616fa8560f5d85013012e5701b0e8fb599a0d79ce1612dd02b36179fe2dc945256ecd0ae8eb25c792f2c9db09873cc6c71ca19c0b2da8f7023
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SSDEEP
24576:220Sx+pQnRpK0G/kb3NJW9YKsIAPhRXrjQ0yG85NHg3ckpKHAmgXC75ld1qSVpk:228izK07/nlIKRX3S/5FgHKHDd1qapk
Malware Config
Extracted
nymaim
45.139.105.171
85.31.46.167
Signatures
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Executes dropped EXE 3 IoCs
Processes:
file.tmpMitFiles138.exeOBCE411xQRwvJm.exepid process 1456 file.tmp 1736 MitFiles138.exe 2028 OBCE411xQRwvJm.exe -
Loads dropped DLL 6 IoCs
Processes:
file.exefile.tmpMitFiles138.exepid process 1528 file.exe 1456 file.tmp 1456 file.tmp 1456 file.tmp 1456 file.tmp 1736 MitFiles138.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
Processes:
file.tmpdescription ioc process File opened for modification C:\Program Files (x86)\Mit Files\MitFiles138.exe file.tmp File created C:\Program Files (x86)\Mit Files\is-ALT3R.tmp file.tmp File created C:\Program Files (x86)\Mit Files\language\is-TVK0E.tmp file.tmp File created C:\Program Files (x86)\Mit Files\is-28DIM.tmp file.tmp File created C:\Program Files (x86)\Mit Files\language\is-POKDE.tmp file.tmp File created C:\Program Files (x86)\Mit Files\is-UKM80.tmp file.tmp File created C:\Program Files (x86)\Mit Files\unins000.dat file.tmp File created C:\Program Files (x86)\Mit Files\language\is-42A6S.tmp file.tmp File created C:\Program Files (x86)\Mit Files\language\is-OIPQT.tmp file.tmp File created C:\Program Files (x86)\Mit Files\language\is-ITE28.tmp file.tmp File created C:\Program Files (x86)\Mit Files\language\is-1DSI8.tmp file.tmp File created C:\Program Files (x86)\Mit Files\is-67AEA.tmp file.tmp File created C:\Program Files (x86)\Mit Files\is-QC9CR.tmp file.tmp File created C:\Program Files (x86)\Mit Files\language\is-B9294.tmp file.tmp File created C:\Program Files (x86)\Mit Files\language\is-AGG2Q.tmp file.tmp File created C:\Program Files (x86)\Mit Files\language\is-JCHJC.tmp file.tmp File opened for modification C:\Program Files (x86)\Mit Files\unins000.dat 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
Processes:
taskkill.exepid process 796 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
MitFiles138.exepid process 1736 MitFiles138.exe 1736 MitFiles138.exe 1736 MitFiles138.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
taskkill.exedescription pid process Token: SeDebugPrivilege 796 taskkill.exe -
Suspicious use of WriteProcessMemory 23 IoCs
Processes:
file.exefile.tmpMitFiles138.execmd.exedescription pid process target process PID 1528 wrote to memory of 1456 1528 file.exe file.tmp PID 1528 wrote to memory of 1456 1528 file.exe file.tmp PID 1528 wrote to memory of 1456 1528 file.exe file.tmp PID 1528 wrote to memory of 1456 1528 file.exe file.tmp PID 1528 wrote to memory of 1456 1528 file.exe file.tmp PID 1528 wrote to memory of 1456 1528 file.exe file.tmp PID 1528 wrote to memory of 1456 1528 file.exe file.tmp PID 1456 wrote to memory of 1736 1456 file.tmp MitFiles138.exe PID 1456 wrote to memory of 1736 1456 file.tmp MitFiles138.exe PID 1456 wrote to memory of 1736 1456 file.tmp MitFiles138.exe PID 1456 wrote to memory of 1736 1456 file.tmp MitFiles138.exe PID 1736 wrote to memory of 2028 1736 MitFiles138.exe OBCE411xQRwvJm.exe PID 1736 wrote to memory of 2028 1736 MitFiles138.exe OBCE411xQRwvJm.exe PID 1736 wrote to memory of 2028 1736 MitFiles138.exe OBCE411xQRwvJm.exe PID 1736 wrote to memory of 2028 1736 MitFiles138.exe OBCE411xQRwvJm.exe PID 1736 wrote to memory of 1692 1736 MitFiles138.exe cmd.exe PID 1736 wrote to memory of 1692 1736 MitFiles138.exe cmd.exe PID 1736 wrote to memory of 1692 1736 MitFiles138.exe cmd.exe PID 1736 wrote to memory of 1692 1736 MitFiles138.exe cmd.exe PID 1692 wrote to memory of 796 1692 cmd.exe taskkill.exe PID 1692 wrote to memory of 796 1692 cmd.exe taskkill.exe PID 1692 wrote to memory of 796 1692 cmd.exe taskkill.exe PID 1692 wrote to memory of 796 1692 cmd.exe taskkill.exe
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:1528 -
C:\Users\Admin\AppData\Local\Temp\is-Q57ML.tmp\file.tmp"C:\Users\Admin\AppData\Local\Temp\is-Q57ML.tmp\file.tmp" /SL5="$60122,1359235,483328,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:1456 -
C:\Program Files (x86)\Mit Files\MitFiles138.exe"C:\Program Files (x86)\Mit Files\MitFiles138.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1736 -
C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\OBCE411xQRwvJm.exe
- Executes dropped EXE
PID:2028
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "MitFiles138.exe" /f & erase "C:\Program Files (x86)\Mit Files\MitFiles138.exe" & exit4⤵
- Suspicious use of WriteProcessMemory
PID:1692 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "MitFiles138.exe" /f5⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:796
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1.8MB
MD56fa97c189edf734eea55a516c1939eb5
SHA1b7309b28dc0c9ad6b8727db64e52980df4c9b439
SHA256fe3356a07d155488172cf8b2954246c0dd9ab4d1ee393de9f3972be43253992d
SHA512a290210703b8d0bc250e7b870444ce98c90ab07c2982b6c983b48165c05c90d32d591702bb7392d63b5934059ed345c9ccb552d5854cec98bdd202c20bf94418
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Filesize
1.8MB
MD56fa97c189edf734eea55a516c1939eb5
SHA1b7309b28dc0c9ad6b8727db64e52980df4c9b439
SHA256fe3356a07d155488172cf8b2954246c0dd9ab4d1ee393de9f3972be43253992d
SHA512a290210703b8d0bc250e7b870444ce98c90ab07c2982b6c983b48165c05c90d32d591702bb7392d63b5934059ed345c9ccb552d5854cec98bdd202c20bf94418
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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
MD56fa97c189edf734eea55a516c1939eb5
SHA1b7309b28dc0c9ad6b8727db64e52980df4c9b439
SHA256fe3356a07d155488172cf8b2954246c0dd9ab4d1ee393de9f3972be43253992d
SHA512a290210703b8d0bc250e7b870444ce98c90ab07c2982b6c983b48165c05c90d32d591702bb7392d63b5934059ed345c9ccb552d5854cec98bdd202c20bf94418
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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