Analysis
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max time kernel
94s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
22-03-2023 11:39
Static task
static1
Behavioral task
behavioral1
Sample
b74d79014b30d14abbfbc7adac9a9c2a484f51b9.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
b74d79014b30d14abbfbc7adac9a9c2a484f51b9.exe
Resource
win10v2004-20230220-en
General
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Target
b74d79014b30d14abbfbc7adac9a9c2a484f51b9.exe
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Size
1.1MB
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MD5
36debef0fda01710af9b0e7b6d990a37
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SHA1
b74d79014b30d14abbfbc7adac9a9c2a484f51b9
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SHA256
5d61d2fe577e2a1feac949e6ee980fc9589e4b9472bc4ae249e5d50371ce0e9a
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SHA512
a4fdeb9658b23abf6544344131d2504a72512773f9b041a1c83cee137bb248bf5ab28e11b07d21302fa54660e2eff8fb97f8c3b00d4c7cdee237c237f91befa4
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SSDEEP
12288:7EOA56TrfgrfGA3hM6iM8QSArLmMcKDJW0lt6/9y4dne+qR/:o5IErf1hTP8ALrDc0lQ/9y4dne
Malware Config
Signatures
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DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
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Panda Stealer payload 7 IoCs
resource yara_rule behavioral1/memory/1952-81-0x0000000000400000-0x00000000004A3000-memory.dmp family_pandastealer behavioral1/memory/1952-80-0x0000000000400000-0x00000000004A3000-memory.dmp family_pandastealer behavioral1/memory/1952-82-0x0000000000400000-0x00000000004A3000-memory.dmp family_pandastealer behavioral1/memory/1952-84-0x0000000000400000-0x00000000004A3000-memory.dmp family_pandastealer behavioral1/memory/1952-86-0x0000000000400000-0x00000000004A3000-memory.dmp family_pandastealer behavioral1/memory/1952-87-0x0000000000400000-0x00000000004A3000-memory.dmp family_pandastealer behavioral1/memory/1788-97-0x000000001AE10000-0x000000001AE90000-memory.dmp family_pandastealer -
PandaStealer
Panda Stealer is a fork of CollectorProject Stealer written in C++.
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resource yara_rule behavioral1/files/0x0009000000012313-73.dat dcrat behavioral1/files/0x0009000000012313-72.dat dcrat behavioral1/files/0x0009000000012313-69.dat dcrat behavioral1/files/0x0009000000012313-68.dat dcrat behavioral1/files/0x0009000000012313-74.dat dcrat behavioral1/memory/1788-75-0x0000000000290000-0x00000000003A2000-memory.dmp dcrat -
Executes dropped EXE 1 IoCs
pid Process 1788 Xxcmfezhjmaxhvcomintoperf.exe -
Loads dropped DLL 2 IoCs
pid Process 1724 b74d79014b30d14abbfbc7adac9a9c2a484f51b9.exe 1724 b74d79014b30d14abbfbc7adac9a9c2a484f51b9.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 12 ipinfo.io 13 ipinfo.io -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1724 set thread context of 1952 1724 b74d79014b30d14abbfbc7adac9a9c2a484f51b9.exe 31 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13 Xxcmfezhjmaxhvcomintoperf.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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 Xxcmfezhjmaxhvcomintoperf.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8 Xxcmfezhjmaxhvcomintoperf.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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 Xxcmfezhjmaxhvcomintoperf.exe -
Suspicious behavior: EnumeratesProcesses 15 IoCs
pid Process 1016 powershell.exe 1788 Xxcmfezhjmaxhvcomintoperf.exe 1788 Xxcmfezhjmaxhvcomintoperf.exe 1788 Xxcmfezhjmaxhvcomintoperf.exe 1788 Xxcmfezhjmaxhvcomintoperf.exe 1788 Xxcmfezhjmaxhvcomintoperf.exe 1788 Xxcmfezhjmaxhvcomintoperf.exe 1788 Xxcmfezhjmaxhvcomintoperf.exe 1788 Xxcmfezhjmaxhvcomintoperf.exe 1788 Xxcmfezhjmaxhvcomintoperf.exe 1788 Xxcmfezhjmaxhvcomintoperf.exe 1788 Xxcmfezhjmaxhvcomintoperf.exe 1788 Xxcmfezhjmaxhvcomintoperf.exe 1788 Xxcmfezhjmaxhvcomintoperf.exe 1788 Xxcmfezhjmaxhvcomintoperf.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1724 b74d79014b30d14abbfbc7adac9a9c2a484f51b9.exe Token: SeDebugPrivilege 1016 powershell.exe Token: SeDebugPrivilege 1788 Xxcmfezhjmaxhvcomintoperf.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1788 Xxcmfezhjmaxhvcomintoperf.exe -
Suspicious use of WriteProcessMemory 19 IoCs
description pid Process procid_target PID 1724 wrote to memory of 1016 1724 b74d79014b30d14abbfbc7adac9a9c2a484f51b9.exe 28 PID 1724 wrote to memory of 1016 1724 b74d79014b30d14abbfbc7adac9a9c2a484f51b9.exe 28 PID 1724 wrote to memory of 1016 1724 b74d79014b30d14abbfbc7adac9a9c2a484f51b9.exe 28 PID 1724 wrote to memory of 1016 1724 b74d79014b30d14abbfbc7adac9a9c2a484f51b9.exe 28 PID 1724 wrote to memory of 1788 1724 b74d79014b30d14abbfbc7adac9a9c2a484f51b9.exe 30 PID 1724 wrote to memory of 1788 1724 b74d79014b30d14abbfbc7adac9a9c2a484f51b9.exe 30 PID 1724 wrote to memory of 1788 1724 b74d79014b30d14abbfbc7adac9a9c2a484f51b9.exe 30 PID 1724 wrote to memory of 1788 1724 b74d79014b30d14abbfbc7adac9a9c2a484f51b9.exe 30 PID 1724 wrote to memory of 1952 1724 b74d79014b30d14abbfbc7adac9a9c2a484f51b9.exe 31 PID 1724 wrote to memory of 1952 1724 b74d79014b30d14abbfbc7adac9a9c2a484f51b9.exe 31 PID 1724 wrote to memory of 1952 1724 b74d79014b30d14abbfbc7adac9a9c2a484f51b9.exe 31 PID 1724 wrote to memory of 1952 1724 b74d79014b30d14abbfbc7adac9a9c2a484f51b9.exe 31 PID 1724 wrote to memory of 1952 1724 b74d79014b30d14abbfbc7adac9a9c2a484f51b9.exe 31 PID 1724 wrote to memory of 1952 1724 b74d79014b30d14abbfbc7adac9a9c2a484f51b9.exe 31 PID 1724 wrote to memory of 1952 1724 b74d79014b30d14abbfbc7adac9a9c2a484f51b9.exe 31 PID 1724 wrote to memory of 1952 1724 b74d79014b30d14abbfbc7adac9a9c2a484f51b9.exe 31 PID 1724 wrote to memory of 1952 1724 b74d79014b30d14abbfbc7adac9a9c2a484f51b9.exe 31 PID 1724 wrote to memory of 1952 1724 b74d79014b30d14abbfbc7adac9a9c2a484f51b9.exe 31 PID 1724 wrote to memory of 1952 1724 b74d79014b30d14abbfbc7adac9a9c2a484f51b9.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\b74d79014b30d14abbfbc7adac9a9c2a484f51b9.exe"C:\Users\Admin\AppData\Local\Temp\b74d79014b30d14abbfbc7adac9a9c2a484f51b9.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1724 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1016
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C:\Users\Admin\AppData\Local\Temp\Xxcmfezhjmaxhvcomintoperf.exe"C:\Users\Admin\AppData\Local\Temp\Xxcmfezhjmaxhvcomintoperf.exe"2⤵
- Executes dropped EXE
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1788
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C:\Users\Admin\AppData\Local\Temp\b74d79014b30d14abbfbc7adac9a9c2a484f51b9.exeC:\Users\Admin\AppData\Local\Temp\b74d79014b30d14abbfbc7adac9a9c2a484f51b9.exe2⤵PID:1952
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
61KB
MD5e71c8443ae0bc2e282c73faead0a6dd3
SHA10c110c1b01e68edfacaeae64781a37b1995fa94b
SHA25695b0a5acc5bf70d3abdfd091d0c9f9063aa4fde65bd34dbf16786082e1992e72
SHA512b38458c7fa2825afb72794f374827403d5946b1132e136a0ce075dfd351277cf7d957c88dc8a1e4adc3bcae1fa8010dae3831e268e910d517691de24326391a6
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Filesize
61KB
MD5fc4666cbca561e864e7fdf883a9e6661
SHA12f8d6094c7a34bf12ea0bbf0d51ee9c5bb7939a5
SHA25610f3deb6c452d749a7451b5d065f4c0449737e5ee8a44f4d15844b503141e65b
SHA512c71f54b571e01f247f072be4bbebdf5d8410b67eb79a61e7e0d9853fe857ab9bd12f53e6af3394b935560178107291fc4be351b27deb388eba90ba949633d57d
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Filesize
161KB
MD5be2bec6e8c5653136d3e72fe53c98aa3
SHA1a8182d6db17c14671c3d5766c72e58d87c0810de
SHA2561919aab2a820642490169bdc4e88bd1189e22f83e7498bf8ebdfb62ec7d843fd
SHA5120d1424ccdf0d53faf3f4e13d534e12f22388648aa4c23edbc503801e3c96b7f73c7999b760b5bef4b5e9dd923dffe21a21889b1ce836dd428420bf0f4f5327ff
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Filesize
1.0MB
MD53a1aa0d3d3fad3ba324feda977846412
SHA1b1423f52ef9060e5c3d77394224f65af757f2f17
SHA2567606edcf0491794b631f9aaf1a7e34fd0960e542d30614b562c8423afc86e2c1
SHA512c9f6d5d9d53fa590c3499c4eeb73bdb2081c9dffdb9aa587672861e5af7b84ae80ff326bc0b738656117d762c1204e256538f4c8703451912d32b88bd171d68f
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Filesize
1.0MB
MD53a1aa0d3d3fad3ba324feda977846412
SHA1b1423f52ef9060e5c3d77394224f65af757f2f17
SHA2567606edcf0491794b631f9aaf1a7e34fd0960e542d30614b562c8423afc86e2c1
SHA512c9f6d5d9d53fa590c3499c4eeb73bdb2081c9dffdb9aa587672861e5af7b84ae80ff326bc0b738656117d762c1204e256538f4c8703451912d32b88bd171d68f
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Filesize
1.0MB
MD53a1aa0d3d3fad3ba324feda977846412
SHA1b1423f52ef9060e5c3d77394224f65af757f2f17
SHA2567606edcf0491794b631f9aaf1a7e34fd0960e542d30614b562c8423afc86e2c1
SHA512c9f6d5d9d53fa590c3499c4eeb73bdb2081c9dffdb9aa587672861e5af7b84ae80ff326bc0b738656117d762c1204e256538f4c8703451912d32b88bd171d68f
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Filesize
1.0MB
MD53a1aa0d3d3fad3ba324feda977846412
SHA1b1423f52ef9060e5c3d77394224f65af757f2f17
SHA2567606edcf0491794b631f9aaf1a7e34fd0960e542d30614b562c8423afc86e2c1
SHA512c9f6d5d9d53fa590c3499c4eeb73bdb2081c9dffdb9aa587672861e5af7b84ae80ff326bc0b738656117d762c1204e256538f4c8703451912d32b88bd171d68f
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Filesize
1.0MB
MD53a1aa0d3d3fad3ba324feda977846412
SHA1b1423f52ef9060e5c3d77394224f65af757f2f17
SHA2567606edcf0491794b631f9aaf1a7e34fd0960e542d30614b562c8423afc86e2c1
SHA512c9f6d5d9d53fa590c3499c4eeb73bdb2081c9dffdb9aa587672861e5af7b84ae80ff326bc0b738656117d762c1204e256538f4c8703451912d32b88bd171d68f