Analysis
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max time kernel
39s -
max time network
49s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
12-05-2022 12:00
Static task
static1
Behavioral task
behavioral1
Sample
05c33a3e8abc524778d307356dc4a540bdf864b307a0f2ecd4a60c72016b9cb6.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
05c33a3e8abc524778d307356dc4a540bdf864b307a0f2ecd4a60c72016b9cb6.exe
Resource
win10v2004-20220414-en
General
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Target
05c33a3e8abc524778d307356dc4a540bdf864b307a0f2ecd4a60c72016b9cb6.exe
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Size
324KB
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MD5
5830cf430af8122d01cf361078a6bb93
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SHA1
c696f0be9086fc97b757187d203519593a02ce12
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SHA256
05c33a3e8abc524778d307356dc4a540bdf864b307a0f2ecd4a60c72016b9cb6
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SHA512
79a5dd555ec3423911acb491fb8edaed0ac595d2327570521d6c2e8f337c63192e0dcf2ff46161324c763f721a66f25113363c7fbd06aba2ddb5f4a30fdde5a2
Malware Config
Signatures
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OnlyLogger
A tiny loader that uses IPLogger to get its payload.
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OnlyLogger Payload 2 IoCs
Processes:
resource yara_rule behavioral1/memory/908-56-0x0000000000220000-0x0000000000266000-memory.dmp family_onlylogger behavioral1/memory/908-57-0x0000000000400000-0x0000000004DCD000-memory.dmp family_onlylogger -
Deletes itself 1 IoCs
Processes:
cmd.exepid Process 1788 cmd.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
Processes:
taskkill.exepid Process 1232 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
taskkill.exedescription pid Process Token: SeDebugPrivilege 1232 taskkill.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
05c33a3e8abc524778d307356dc4a540bdf864b307a0f2ecd4a60c72016b9cb6.execmd.exedescription pid Process procid_target PID 908 wrote to memory of 1788 908 05c33a3e8abc524778d307356dc4a540bdf864b307a0f2ecd4a60c72016b9cb6.exe 27 PID 908 wrote to memory of 1788 908 05c33a3e8abc524778d307356dc4a540bdf864b307a0f2ecd4a60c72016b9cb6.exe 27 PID 908 wrote to memory of 1788 908 05c33a3e8abc524778d307356dc4a540bdf864b307a0f2ecd4a60c72016b9cb6.exe 27 PID 908 wrote to memory of 1788 908 05c33a3e8abc524778d307356dc4a540bdf864b307a0f2ecd4a60c72016b9cb6.exe 27 PID 1788 wrote to memory of 1232 1788 cmd.exe 29 PID 1788 wrote to memory of 1232 1788 cmd.exe 29 PID 1788 wrote to memory of 1232 1788 cmd.exe 29 PID 1788 wrote to memory of 1232 1788 cmd.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\05c33a3e8abc524778d307356dc4a540bdf864b307a0f2ecd4a60c72016b9cb6.exe"C:\Users\Admin\AppData\Local\Temp\05c33a3e8abc524778d307356dc4a540bdf864b307a0f2ecd4a60c72016b9cb6.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:908 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "05c33a3e8abc524778d307356dc4a540bdf864b307a0f2ecd4a60c72016b9cb6.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\05c33a3e8abc524778d307356dc4a540bdf864b307a0f2ecd4a60c72016b9cb6.exe" & exit2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1788 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "05c33a3e8abc524778d307356dc4a540bdf864b307a0f2ecd4a60c72016b9cb6.exe" /f3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1232
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