Analysis
-
max time kernel
142s -
max time network
166s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
22-02-2022 18:53
Behavioral task
behavioral1
Sample
0fe713faf94bed3424ce7c7ac576db24cbb50e989f87b6844865971aed98b24a.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0fe713faf94bed3424ce7c7ac576db24cbb50e989f87b6844865971aed98b24a.exe
Resource
win10v2004-en-20220113
General
-
Target
0fe713faf94bed3424ce7c7ac576db24cbb50e989f87b6844865971aed98b24a.exe
-
Size
202KB
-
MD5
beaf5e523e8e3e3fb9dc2a361cda0573
-
SHA1
b038caeed3466c07c5f473bfd6c5bd11e5afccf1
-
SHA256
0fe713faf94bed3424ce7c7ac576db24cbb50e989f87b6844865971aed98b24a
-
SHA512
f0692ff4b5b2278952806b183246a96077c893d2487c5023b56bbccfbd8d16f09dd9394aae8cc71d33ad8b3d9474f4e7825bcccc0f24029eaa753d131fc8a683
Malware Config
Signatures
-
Drops file in System32 directory 1 IoCs
Processes:
earconsingle.exedescription ioc process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat earconsingle.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Modifies data under HKEY_USERS 21 IoCs
Processes:
earconsingle.exedescription ioc process Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" earconsingle.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{36BB1C40-4278-45ED-B668-4AD9A6D6D3C3} earconsingle.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 earconsingle.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" earconsingle.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" earconsingle.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings earconsingle.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 earconsingle.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{36BB1C40-4278-45ED-B668-4AD9A6D6D3C3}\WpadNetworkName = "Network 3" earconsingle.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\06-a3-1c-ef-79-ca earconsingle.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections earconsingle.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix earconsingle.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0080000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 earconsingle.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{36BB1C40-4278-45ED-B668-4AD9A6D6D3C3}\WpadDecisionReason = "1" earconsingle.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{36BB1C40-4278-45ED-B668-4AD9A6D6D3C3}\WpadDecision = "0" earconsingle.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\06-a3-1c-ef-79-ca\WpadDecisionReason = "1" earconsingle.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\06-a3-1c-ef-79-ca\WpadDecision = "0" earconsingle.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings earconsingle.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad earconsingle.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{36BB1C40-4278-45ED-B668-4AD9A6D6D3C3}\WpadDecisionTime = 508a03492728d801 earconsingle.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{36BB1C40-4278-45ED-B668-4AD9A6D6D3C3}\06-a3-1c-ef-79-ca earconsingle.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\06-a3-1c-ef-79-ca\WpadDecisionTime = 508a03492728d801 earconsingle.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
Processes:
0fe713faf94bed3424ce7c7ac576db24cbb50e989f87b6844865971aed98b24a.exe0fe713faf94bed3424ce7c7ac576db24cbb50e989f87b6844865971aed98b24a.exeearconsingle.exeearconsingle.exepid process 1676 0fe713faf94bed3424ce7c7ac576db24cbb50e989f87b6844865971aed98b24a.exe 1628 0fe713faf94bed3424ce7c7ac576db24cbb50e989f87b6844865971aed98b24a.exe 656 earconsingle.exe 540 earconsingle.exe 540 earconsingle.exe 540 earconsingle.exe 540 earconsingle.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
0fe713faf94bed3424ce7c7ac576db24cbb50e989f87b6844865971aed98b24a.exepid process 1628 0fe713faf94bed3424ce7c7ac576db24cbb50e989f87b6844865971aed98b24a.exe -
Suspicious use of UnmapMainImage 4 IoCs
Processes:
0fe713faf94bed3424ce7c7ac576db24cbb50e989f87b6844865971aed98b24a.exe0fe713faf94bed3424ce7c7ac576db24cbb50e989f87b6844865971aed98b24a.exeearconsingle.exeearconsingle.exepid process 1676 0fe713faf94bed3424ce7c7ac576db24cbb50e989f87b6844865971aed98b24a.exe 1628 0fe713faf94bed3424ce7c7ac576db24cbb50e989f87b6844865971aed98b24a.exe 656 earconsingle.exe 540 earconsingle.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
0fe713faf94bed3424ce7c7ac576db24cbb50e989f87b6844865971aed98b24a.exeearconsingle.exedescription pid process target process PID 1676 wrote to memory of 1628 1676 0fe713faf94bed3424ce7c7ac576db24cbb50e989f87b6844865971aed98b24a.exe 0fe713faf94bed3424ce7c7ac576db24cbb50e989f87b6844865971aed98b24a.exe PID 1676 wrote to memory of 1628 1676 0fe713faf94bed3424ce7c7ac576db24cbb50e989f87b6844865971aed98b24a.exe 0fe713faf94bed3424ce7c7ac576db24cbb50e989f87b6844865971aed98b24a.exe PID 1676 wrote to memory of 1628 1676 0fe713faf94bed3424ce7c7ac576db24cbb50e989f87b6844865971aed98b24a.exe 0fe713faf94bed3424ce7c7ac576db24cbb50e989f87b6844865971aed98b24a.exe PID 1676 wrote to memory of 1628 1676 0fe713faf94bed3424ce7c7ac576db24cbb50e989f87b6844865971aed98b24a.exe 0fe713faf94bed3424ce7c7ac576db24cbb50e989f87b6844865971aed98b24a.exe PID 656 wrote to memory of 540 656 earconsingle.exe earconsingle.exe PID 656 wrote to memory of 540 656 earconsingle.exe earconsingle.exe PID 656 wrote to memory of 540 656 earconsingle.exe earconsingle.exe PID 656 wrote to memory of 540 656 earconsingle.exe earconsingle.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\0fe713faf94bed3424ce7c7ac576db24cbb50e989f87b6844865971aed98b24a.exe"C:\Users\Admin\AppData\Local\Temp\0fe713faf94bed3424ce7c7ac576db24cbb50e989f87b6844865971aed98b24a.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\0fe713faf94bed3424ce7c7ac576db24cbb50e989f87b6844865971aed98b24a.exe"C:\Users\Admin\AppData\Local\Temp\0fe713faf94bed3424ce7c7ac576db24cbb50e989f87b6844865971aed98b24a.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
-
C:\Windows\SysWOW64\earconsingle.exe"C:\Windows\SysWOW64\earconsingle.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\earconsingle.exe"C:\Windows\SysWOW64\earconsingle.exe"2⤵
- 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
Loading Replay Monitor...
Downloads
-
memory/540-62-0x00000000003C0000-0x00000000003D2000-memory.dmpFilesize
72KB
-
memory/1628-59-0x0000000000400000-0x0000000000415000-memory.dmpFilesize
84KB
-
memory/1676-55-0x0000000075DF1000-0x0000000075DF3000-memory.dmpFilesize
8KB
-
memory/1676-56-0x0000000000220000-0x0000000000232000-memory.dmpFilesize
72KB
-
memory/1676-58-0x0000000000400000-0x0000000000415000-memory.dmpFilesize
84KB