Analysis
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max time kernel
55s -
max time network
56s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
20/11/2022, 20:24
Static task
static1
Behavioral task
behavioral1
Sample
c02e40f2565478f5c2deb328f78819550dbbcee9b1c233129c22a6414b46cffa.exe
Resource
win7-20220812-en
General
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Target
c02e40f2565478f5c2deb328f78819550dbbcee9b1c233129c22a6414b46cffa.exe
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Size
3.2MB
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MD5
6937bcab74d24c82aefbcab2fcfb6e8b
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SHA1
8735dad4184444610383f69ccccd2a5eb50c2f26
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SHA256
c02e40f2565478f5c2deb328f78819550dbbcee9b1c233129c22a6414b46cffa
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SHA512
702cae8da468ae8655e3898948e4862474dba01bd024fa78246f62e05479f39daba92317047952508b999dff496af200d1caaf4cc8b032f509fa140fa2979016
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SSDEEP
49152:X3hUShjLvkBVSb1+/zS7vBUMMS5dhQLt01oS4BgbOmVCBlp3wvvnZ1x:CBkbuO7BUMMS5dhQ61oFBAOmYlNWvZH
Malware Config
Extracted
nymaim
45.139.105.171
85.31.46.167
Signatures
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Executes dropped EXE 1 IoCs
pid Process 788 2wJfl.exe -
Deletes itself 1 IoCs
pid Process 1964 cmd.exe -
Loads dropped DLL 1 IoCs
pid Process 1440 c02e40f2565478f5c2deb328f78819550dbbcee9b1c233129c22a6414b46cffa.exe -
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 536 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1440 c02e40f2565478f5c2deb328f78819550dbbcee9b1c233129c22a6414b46cffa.exe 1440 c02e40f2565478f5c2deb328f78819550dbbcee9b1c233129c22a6414b46cffa.exe 1440 c02e40f2565478f5c2deb328f78819550dbbcee9b1c233129c22a6414b46cffa.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 536 taskkill.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 1440 wrote to memory of 788 1440 c02e40f2565478f5c2deb328f78819550dbbcee9b1c233129c22a6414b46cffa.exe 28 PID 1440 wrote to memory of 788 1440 c02e40f2565478f5c2deb328f78819550dbbcee9b1c233129c22a6414b46cffa.exe 28 PID 1440 wrote to memory of 788 1440 c02e40f2565478f5c2deb328f78819550dbbcee9b1c233129c22a6414b46cffa.exe 28 PID 1440 wrote to memory of 788 1440 c02e40f2565478f5c2deb328f78819550dbbcee9b1c233129c22a6414b46cffa.exe 28 PID 1440 wrote to memory of 1964 1440 c02e40f2565478f5c2deb328f78819550dbbcee9b1c233129c22a6414b46cffa.exe 31 PID 1440 wrote to memory of 1964 1440 c02e40f2565478f5c2deb328f78819550dbbcee9b1c233129c22a6414b46cffa.exe 31 PID 1440 wrote to memory of 1964 1440 c02e40f2565478f5c2deb328f78819550dbbcee9b1c233129c22a6414b46cffa.exe 31 PID 1440 wrote to memory of 1964 1440 c02e40f2565478f5c2deb328f78819550dbbcee9b1c233129c22a6414b46cffa.exe 31 PID 1964 wrote to memory of 536 1964 cmd.exe 33 PID 1964 wrote to memory of 536 1964 cmd.exe 33 PID 1964 wrote to memory of 536 1964 cmd.exe 33 PID 1964 wrote to memory of 536 1964 cmd.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\c02e40f2565478f5c2deb328f78819550dbbcee9b1c233129c22a6414b46cffa.exe"C:\Users\Admin\AppData\Local\Temp\c02e40f2565478f5c2deb328f78819550dbbcee9b1c233129c22a6414b46cffa.exe"1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1440 -
C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\2wJfl.exe2⤵
- Executes dropped EXE
PID:788
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "c02e40f2565478f5c2deb328f78819550dbbcee9b1c233129c22a6414b46cffa.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\c02e40f2565478f5c2deb328f78819550dbbcee9b1c233129c22a6414b46cffa.exe" & exit2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1964 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "c02e40f2565478f5c2deb328f78819550dbbcee9b1c233129c22a6414b46cffa.exe" /f3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:536
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
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Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c