Analysis
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max time kernel
150s -
max time network
110s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
08-04-2021 07:59
Static task
static1
Behavioral task
behavioral1
Sample
NEW-P&I_Circularpdf.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
NEW-P&I_Circularpdf.exe
Resource
win10v20201028
General
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Target
NEW-P&I_Circularpdf.exe
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Size
962KB
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MD5
182216a47605c50db6b8796adff4e3f9
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SHA1
06c36b24b2d877600500590d2b57f670d58773fc
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SHA256
408d0b8cf4df11f74ecd574dccdcc5bc7fdf483fce512401e0c767e801815357
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SHA512
654e99ee9ad6a52a87e03b1c13c1f44284f004713c42d9fb464f635dd6259682f6df0cc661a923c9cc9298c03137170342ed81e6f6dc4f79cc060e3589305acd
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.1300dentrepair.com.au - Port:
587 - Username:
newadmin@1300dentrepair.com.au - Password:
money123@@@
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/3948-128-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral2/memory/3948-129-0x000000000043761E-mapping.dmp family_agenttesla -
Suspicious use of SetThreadContext 1 IoCs
Processes:
NEW-P&I_Circularpdf.exedescription pid process target process PID 416 set thread context of 3948 416 NEW-P&I_Circularpdf.exe NEW-P&I_Circularpdf.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
NEW-P&I_Circularpdf.exeNEW-P&I_Circularpdf.exepid process 416 NEW-P&I_Circularpdf.exe 416 NEW-P&I_Circularpdf.exe 416 NEW-P&I_Circularpdf.exe 416 NEW-P&I_Circularpdf.exe 416 NEW-P&I_Circularpdf.exe 416 NEW-P&I_Circularpdf.exe 3948 NEW-P&I_Circularpdf.exe 3948 NEW-P&I_Circularpdf.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
NEW-P&I_Circularpdf.exeNEW-P&I_Circularpdf.exedescription pid process Token: SeDebugPrivilege 416 NEW-P&I_Circularpdf.exe Token: SeDebugPrivilege 3948 NEW-P&I_Circularpdf.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
NEW-P&I_Circularpdf.exedescription pid process target process PID 416 wrote to memory of 3132 416 NEW-P&I_Circularpdf.exe schtasks.exe PID 416 wrote to memory of 3132 416 NEW-P&I_Circularpdf.exe schtasks.exe PID 416 wrote to memory of 3132 416 NEW-P&I_Circularpdf.exe schtasks.exe PID 416 wrote to memory of 3580 416 NEW-P&I_Circularpdf.exe NEW-P&I_Circularpdf.exe PID 416 wrote to memory of 3580 416 NEW-P&I_Circularpdf.exe NEW-P&I_Circularpdf.exe PID 416 wrote to memory of 3580 416 NEW-P&I_Circularpdf.exe NEW-P&I_Circularpdf.exe PID 416 wrote to memory of 3948 416 NEW-P&I_Circularpdf.exe NEW-P&I_Circularpdf.exe PID 416 wrote to memory of 3948 416 NEW-P&I_Circularpdf.exe NEW-P&I_Circularpdf.exe PID 416 wrote to memory of 3948 416 NEW-P&I_Circularpdf.exe NEW-P&I_Circularpdf.exe PID 416 wrote to memory of 3948 416 NEW-P&I_Circularpdf.exe NEW-P&I_Circularpdf.exe PID 416 wrote to memory of 3948 416 NEW-P&I_Circularpdf.exe NEW-P&I_Circularpdf.exe PID 416 wrote to memory of 3948 416 NEW-P&I_Circularpdf.exe NEW-P&I_Circularpdf.exe PID 416 wrote to memory of 3948 416 NEW-P&I_Circularpdf.exe NEW-P&I_Circularpdf.exe PID 416 wrote to memory of 3948 416 NEW-P&I_Circularpdf.exe NEW-P&I_Circularpdf.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\NEW-P&I_Circularpdf.exe"C:\Users\Admin\AppData\Local\Temp\NEW-P&I_Circularpdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sfgTsm" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1190.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\NEW-P&I_Circularpdf.exe"C:\Users\Admin\AppData\Local\Temp\NEW-P&I_Circularpdf.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\NEW-P&I_Circularpdf.exe"C:\Users\Admin\AppData\Local\Temp\NEW-P&I_Circularpdf.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\NEW-P&I_Circularpdf.exe.logMD5
90acfd72f14a512712b1a7380c0faf60
SHA140ba4accb8faa75887e84fb8e38d598dc8cf0f12
SHA25620806822f0c130b340504132c1461b589261fbbc518e468f4f90733ab514cb86
SHA51229dbf85e14e60868574cb4dc9bda83d3c229fb956733d8d2557f2475ee0e690ac9c2e72f31e02284996da6906ba2dbfa382a29b04c15a2406571d8ee19ad16b9
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C:\Users\Admin\AppData\Local\Temp\tmp1190.tmpMD5
a3a6f71245ff31e0e27180c9dca719ae
SHA16c11f8671ee8e5ceb20a9721430d3866b8b0f8e5
SHA2563f2741b287bcf405e9651b1b6551fbea79da70d1b94a18ee154fac3a77c785b3
SHA512416ab7c2453019bfd073d2609b9f348d74ef440f55585077125476d78b2952ae6037fc66058ce2edf9f69700d51bd9a7dafceee8852b6f17a320624c22ef7dab
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memory/416-119-0x00000000050C0000-0x00000000050C1000-memory.dmpFilesize
4KB
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memory/416-116-0x0000000005110000-0x0000000005111000-memory.dmpFilesize
4KB
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memory/416-114-0x00000000007A0000-0x00000000007A1000-memory.dmpFilesize
4KB
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memory/416-120-0x0000000005370000-0x0000000005371000-memory.dmpFilesize
4KB
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memory/416-121-0x0000000005070000-0x000000000510C000-memory.dmpFilesize
624KB
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memory/416-122-0x000000007EAF0000-0x000000007EAF1000-memory.dmpFilesize
4KB
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memory/416-123-0x0000000007680000-0x0000000007684000-memory.dmpFilesize
16KB
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memory/416-124-0x00000000072C0000-0x0000000007364000-memory.dmpFilesize
656KB
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memory/416-125-0x0000000007470000-0x00000000074DB000-memory.dmpFilesize
428KB
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memory/416-118-0x00000000051B0000-0x00000000051B1000-memory.dmpFilesize
4KB
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memory/416-117-0x00000000056B0000-0x00000000056B1000-memory.dmpFilesize
4KB
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memory/3132-126-0x0000000000000000-mapping.dmp
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memory/3948-128-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/3948-129-0x000000000043761E-mapping.dmp
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memory/3948-135-0x0000000005610000-0x0000000005611000-memory.dmpFilesize
4KB
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memory/3948-136-0x0000000005BE0000-0x0000000005BE1000-memory.dmpFilesize
4KB
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memory/3948-137-0x0000000006290000-0x0000000006291000-memory.dmpFilesize
4KB