Analysis
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max time kernel
150s -
max time network
155s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
30-11-2022 12:59
Behavioral task
behavioral1
Sample
036cf3360058bbcfb3a0e65f72736b8e210d9d08894cd9718b0698e89af4ead9.exe
Resource
win7-20220812-en
8 signatures
150 seconds
General
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Target
036cf3360058bbcfb3a0e65f72736b8e210d9d08894cd9718b0698e89af4ead9.exe
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Size
145KB
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MD5
57dfa52cdf92b853aaa66650baf8a986
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SHA1
67b9090eb27efb29bded8ca3a551ac8e6725e2a1
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SHA256
036cf3360058bbcfb3a0e65f72736b8e210d9d08894cd9718b0698e89af4ead9
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SHA512
04c63e3b02c84f167f3f9d385147cdaa88fc4b82ef0fb188156086e7ba7851bd28b21e60915a76cdc197baa615a7ef34caf257ed37f81cde4aea12aee892390b
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SSDEEP
3072:5ltrbkFEEqOWYnLdLfD/g5fTjqhv5hvkR:5vwFEEqPYnLtf74inS
Malware Config
Signatures
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Drops file in System32 directory 1 IoCs
Processes:
sourcejobs.exedescription ioc process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat sourcejobs.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies data under HKEY_USERS 21 IoCs
Processes:
sourcejobs.exedescription ioc process Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B74E3F78-3F41-4059-ABFF-286826253297}\WpadDecisionReason = "1" sourcejobs.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B74E3F78-3F41-4059-ABFF-286826253297}\WpadDecision = "0" sourcejobs.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 sourcejobs.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix sourcejobs.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" sourcejobs.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad sourcejobs.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f008c000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 sourcejobs.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B74E3F78-3F41-4059-ABFF-286826253297} sourcejobs.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B74E3F78-3F41-4059-ABFF-286826253297}\WpadNetworkName = "Network 3" sourcejobs.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7a-9f-50-f6-be-fe sourcejobs.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings sourcejobs.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B74E3F78-3F41-4059-ABFF-286826253297}\7a-9f-50-f6-be-fe sourcejobs.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B74E3F78-3F41-4059-ABFF-286826253297}\WpadDecisionTime = 407b4d1f4206d901 sourcejobs.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7a-9f-50-f6-be-fe\WpadDecisionReason = "1" sourcejobs.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7a-9f-50-f6-be-fe\WpadDecisionTime = 407b4d1f4206d901 sourcejobs.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7a-9f-50-f6-be-fe\WpadDecision = "0" sourcejobs.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections sourcejobs.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" sourcejobs.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" sourcejobs.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings sourcejobs.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 sourcejobs.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
sourcejobs.exepid process 984 sourcejobs.exe 984 sourcejobs.exe 984 sourcejobs.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
036cf3360058bbcfb3a0e65f72736b8e210d9d08894cd9718b0698e89af4ead9.exepid process 1952 036cf3360058bbcfb3a0e65f72736b8e210d9d08894cd9718b0698e89af4ead9.exe -
Suspicious use of UnmapMainImage 4 IoCs
Processes:
036cf3360058bbcfb3a0e65f72736b8e210d9d08894cd9718b0698e89af4ead9.exe036cf3360058bbcfb3a0e65f72736b8e210d9d08894cd9718b0698e89af4ead9.exesourcejobs.exesourcejobs.exepid process 364 036cf3360058bbcfb3a0e65f72736b8e210d9d08894cd9718b0698e89af4ead9.exe 1952 036cf3360058bbcfb3a0e65f72736b8e210d9d08894cd9718b0698e89af4ead9.exe 1940 sourcejobs.exe 984 sourcejobs.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
036cf3360058bbcfb3a0e65f72736b8e210d9d08894cd9718b0698e89af4ead9.exesourcejobs.exedescription pid process target process PID 364 wrote to memory of 1952 364 036cf3360058bbcfb3a0e65f72736b8e210d9d08894cd9718b0698e89af4ead9.exe 036cf3360058bbcfb3a0e65f72736b8e210d9d08894cd9718b0698e89af4ead9.exe PID 364 wrote to memory of 1952 364 036cf3360058bbcfb3a0e65f72736b8e210d9d08894cd9718b0698e89af4ead9.exe 036cf3360058bbcfb3a0e65f72736b8e210d9d08894cd9718b0698e89af4ead9.exe PID 364 wrote to memory of 1952 364 036cf3360058bbcfb3a0e65f72736b8e210d9d08894cd9718b0698e89af4ead9.exe 036cf3360058bbcfb3a0e65f72736b8e210d9d08894cd9718b0698e89af4ead9.exe PID 364 wrote to memory of 1952 364 036cf3360058bbcfb3a0e65f72736b8e210d9d08894cd9718b0698e89af4ead9.exe 036cf3360058bbcfb3a0e65f72736b8e210d9d08894cd9718b0698e89af4ead9.exe PID 1940 wrote to memory of 984 1940 sourcejobs.exe sourcejobs.exe PID 1940 wrote to memory of 984 1940 sourcejobs.exe sourcejobs.exe PID 1940 wrote to memory of 984 1940 sourcejobs.exe sourcejobs.exe PID 1940 wrote to memory of 984 1940 sourcejobs.exe sourcejobs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\036cf3360058bbcfb3a0e65f72736b8e210d9d08894cd9718b0698e89af4ead9.exe"C:\Users\Admin\AppData\Local\Temp\036cf3360058bbcfb3a0e65f72736b8e210d9d08894cd9718b0698e89af4ead9.exe"1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\036cf3360058bbcfb3a0e65f72736b8e210d9d08894cd9718b0698e89af4ead9.exe--51a02dea2⤵
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
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C:\Windows\SysWOW64\sourcejobs.exe"C:\Windows\SysWOW64\sourcejobs.exe"1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\sourcejobs.exe--cfd7b7e32⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/364-54-0x0000000076681000-0x0000000076683000-memory.dmpFilesize
8KB
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memory/364-55-0x00000000001B0000-0x00000000001C1000-memory.dmpFilesize
68KB
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memory/364-57-0x00000000001B0000-0x00000000001C1000-memory.dmpFilesize
68KB
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memory/364-59-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/984-62-0x0000000000000000-mapping.dmp
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memory/1952-56-0x0000000000000000-mapping.dmp
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memory/1952-60-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
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memory/1952-63-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB