Analysis
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max time kernel
120s -
max time network
146s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
10-05-2021 13:06
Static task
static1
Behavioral task
behavioral1
Sample
3ba367bb53bc5ad7c0e8d7f5a9d33532.exe
Resource
win7v20210408
Behavioral task
behavioral2
Sample
3ba367bb53bc5ad7c0e8d7f5a9d33532.exe
Resource
win10v20210410
General
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Target
3ba367bb53bc5ad7c0e8d7f5a9d33532.exe
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Size
718KB
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MD5
3ba367bb53bc5ad7c0e8d7f5a9d33532
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SHA1
974c0e32a4480927f27daec1f65ce9bf23ff0e0a
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SHA256
33ea02b92678e7c73d8f65dc81d76733fe0ce94b9c9b22ebe216132a0986436f
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SHA512
c595d47918ca1a3facba0003cf1dd245e10aad78b190fe5715904c16fb13052e41a3a807da113ef46c7ea4688e01f7136b9ddeda0792398a5bc872a69628294e
Malware Config
Extracted
agenttesla
Protocol: ftp- Host:
ftp://ftp.tractorandinas.com/ - Port:
21 - Username:
admin@tractorandinas.com - Password:
~P*xO7vPBc-o
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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.NET Reactor proctector 2 IoCs
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
Processes:
resource yara_rule behavioral2/memory/3396-121-0x00000000024D0000-0x000000000251D000-memory.dmp net_reactor behavioral2/memory/3396-130-0x00000000049E0000-0x0000000004A2C000-memory.dmp net_reactor -
AgentTesla Payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/3396-121-0x00000000024D0000-0x000000000251D000-memory.dmp family_agenttesla behavioral2/memory/3396-130-0x00000000049E0000-0x0000000004A2C000-memory.dmp family_agenttesla -
Drops file in Drivers directory 1 IoCs
Processes:
3ba367bb53bc5ad7c0e8d7f5a9d33532.exedescription ioc process File opened for modification C:\Windows\system32\drivers\etc\hosts 3ba367bb53bc5ad7c0e8d7f5a9d33532.exe -
Executes dropped EXE 1 IoCs
Processes:
Netplwiz.exepid process 1472 Netplwiz.exe -
Loads dropped DLL 1 IoCs
Processes:
Netplwiz.exepid process 1472 Netplwiz.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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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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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
3ba367bb53bc5ad7c0e8d7f5a9d33532.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\Vaijia = "C:\\Users\\Public\\aijiaV.url" 3ba367bb53bc5ad7c0e8d7f5a9d33532.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
3ba367bb53bc5ad7c0e8d7f5a9d33532.exedescription pid process target process PID 2116 set thread context of 3396 2116 3ba367bb53bc5ad7c0e8d7f5a9d33532.exe 3ba367bb53bc5ad7c0e8d7f5a9d33532.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
3ba367bb53bc5ad7c0e8d7f5a9d33532.exepowershell.exepid process 3396 3ba367bb53bc5ad7c0e8d7f5a9d33532.exe 3396 3ba367bb53bc5ad7c0e8d7f5a9d33532.exe 2908 powershell.exe 2908 powershell.exe 2908 powershell.exe -
Suspicious use of AdjustPrivilegeToken 23 IoCs
Processes:
3ba367bb53bc5ad7c0e8d7f5a9d33532.exepowershell.exedescription pid process Token: SeDebugPrivilege 3396 3ba367bb53bc5ad7c0e8d7f5a9d33532.exe Token: SeDebugPrivilege 2908 powershell.exe Token: SeIncreaseQuotaPrivilege 2908 powershell.exe Token: SeSecurityPrivilege 2908 powershell.exe Token: SeTakeOwnershipPrivilege 2908 powershell.exe Token: SeLoadDriverPrivilege 2908 powershell.exe Token: SeSystemProfilePrivilege 2908 powershell.exe Token: SeSystemtimePrivilege 2908 powershell.exe Token: SeProfSingleProcessPrivilege 2908 powershell.exe Token: SeIncBasePriorityPrivilege 2908 powershell.exe Token: SeCreatePagefilePrivilege 2908 powershell.exe Token: SeBackupPrivilege 2908 powershell.exe Token: SeRestorePrivilege 2908 powershell.exe Token: SeShutdownPrivilege 2908 powershell.exe Token: SeDebugPrivilege 2908 powershell.exe Token: SeSystemEnvironmentPrivilege 2908 powershell.exe Token: SeRemoteShutdownPrivilege 2908 powershell.exe Token: SeUndockPrivilege 2908 powershell.exe Token: SeManageVolumePrivilege 2908 powershell.exe Token: 33 2908 powershell.exe Token: 34 2908 powershell.exe Token: 35 2908 powershell.exe Token: 36 2908 powershell.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
3ba367bb53bc5ad7c0e8d7f5a9d33532.execmd.execmd.exeNetplwiz.execmd.exedescription pid process target process PID 2116 wrote to memory of 3396 2116 3ba367bb53bc5ad7c0e8d7f5a9d33532.exe 3ba367bb53bc5ad7c0e8d7f5a9d33532.exe PID 2116 wrote to memory of 3396 2116 3ba367bb53bc5ad7c0e8d7f5a9d33532.exe 3ba367bb53bc5ad7c0e8d7f5a9d33532.exe PID 2116 wrote to memory of 3396 2116 3ba367bb53bc5ad7c0e8d7f5a9d33532.exe 3ba367bb53bc5ad7c0e8d7f5a9d33532.exe PID 2116 wrote to memory of 3396 2116 3ba367bb53bc5ad7c0e8d7f5a9d33532.exe 3ba367bb53bc5ad7c0e8d7f5a9d33532.exe PID 2116 wrote to memory of 3396 2116 3ba367bb53bc5ad7c0e8d7f5a9d33532.exe 3ba367bb53bc5ad7c0e8d7f5a9d33532.exe PID 2116 wrote to memory of 1856 2116 3ba367bb53bc5ad7c0e8d7f5a9d33532.exe cmd.exe PID 2116 wrote to memory of 1856 2116 3ba367bb53bc5ad7c0e8d7f5a9d33532.exe cmd.exe PID 2116 wrote to memory of 1856 2116 3ba367bb53bc5ad7c0e8d7f5a9d33532.exe cmd.exe PID 1856 wrote to memory of 1168 1856 cmd.exe cmd.exe PID 1856 wrote to memory of 1168 1856 cmd.exe cmd.exe PID 1856 wrote to memory of 1168 1856 cmd.exe cmd.exe PID 1168 wrote to memory of 1472 1168 cmd.exe Netplwiz.exe PID 1168 wrote to memory of 1472 1168 cmd.exe Netplwiz.exe PID 1472 wrote to memory of 3784 1472 Netplwiz.exe cmd.exe PID 1472 wrote to memory of 3784 1472 Netplwiz.exe cmd.exe PID 3784 wrote to memory of 2908 3784 cmd.exe powershell.exe PID 3784 wrote to memory of 2908 3784 cmd.exe powershell.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\3ba367bb53bc5ad7c0e8d7f5a9d33532.exe"C:\Users\Admin\AppData\Local\Temp\3ba367bb53bc5ad7c0e8d7f5a9d33532.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\3ba367bb53bc5ad7c0e8d7f5a9d33532.exeC:\Users\Admin\AppData\Local\Temp\3ba367bb53bc5ad7c0e8d7f5a9d33532.exe2⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Public\stt.bat" "2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /K C:\Users\Public\PXOR.bat3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows \System32\Netplwiz.exe"C:\Windows \System32\Netplwiz.exe"4⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c C:\Users\Public\Cdex.bat5⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -WindowStyle Hidden -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users'"6⤵
- 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\Public\Cdex.batMD5
84de6cf0b720db43f85d95204a2c1902
SHA1c87c4c1f3ad9f28968c46a89c4fff8bdb867b006
SHA256bc4baad4a7983c54c1764b0aa57f12d536ce506253c82e06dd98e17bbb5f77ee
SHA5125fd018b5f72797a64934f8f35d4510ef95c235442a807d476e7fd3c14eaa854c1a3092332edbdd1028f8954ab28acb5aab8720a74226cfcfab3cb3a7772a64b7
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C:\Users\Public\NETUTILS.dllMD5
39507d772c63ca496a25a14a8b5d14b2
SHA15b603f5c11eb9ab4313694315b4d4894ff4641d4
SHA25636d1fa474cd8271f9b74b9481025614b6ff309f767f69d9f1ff3960c7205ad12
SHA5120c740fd7b6d67d9938b0d8e1ea7d6c41910dd6d0b85b4ec8b6015ff8c0c73798dee01f01da0b5b0c07038663aca7945faca0e2b5afc1cb751aaba7567d332f5f
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C:\Users\Public\Netplwiz.exeMD5
f94b7fb6dac49844d03c7087b2d8b472
SHA10e84139fced0ee8ef929d0bd5f01559a7dcf1db0
SHA25646e31f337ed0d9a6fe3f159abc91c9b9b6a6062982bbcd84a51784d7128e7ae4
SHA512d63878f94f7699e4cc63c2cd885c29455e0c423d32dba750e4fc3aa74dbaca80a1a4b176719213b9fc6584de6a40cddff7864c7fb4cfba13dfcb437a36e41b80
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C:\Users\Public\PXOR.batMD5
0d8aef656413642f55e0902cc5df5e6f
SHA173ec56d08bd9b3c45d55c97bd1c1286b77c8ff49
SHA256670f94b92f45bc2f3f44a80c7f3021f874aa16fde38ed7d7f3ebed13ae09fa11
SHA512efe690b1bcf06e16be469622b45c98b5dc1f1e06410cbf7e7dccb2975524c4d6bc7e23de9a129d50d73cd924f02e23f925555894f2c7da1064dcc57151f50876
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C:\Users\Public\stt.batMD5
8a850253c31df9a7e1c00c80df2630d5
SHA1e3da74081b027a3b591488b28da22742bcfe8495
SHA2568fdeba3ec903bde700342083d16f72452366aa0b1b30d0e58dee0af74cebfa35
SHA51230510bdc34680a0865a0811d9be29dec91c74717feccd58c9b4d88e77be9e5d13a539806a1b2901aff595b2fe2cc45926b69ed42e899d2dd2913c78a732e84d1
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C:\Windows \System32\Netplwiz.exeMD5
f94b7fb6dac49844d03c7087b2d8b472
SHA10e84139fced0ee8ef929d0bd5f01559a7dcf1db0
SHA25646e31f337ed0d9a6fe3f159abc91c9b9b6a6062982bbcd84a51784d7128e7ae4
SHA512d63878f94f7699e4cc63c2cd885c29455e0c423d32dba750e4fc3aa74dbaca80a1a4b176719213b9fc6584de6a40cddff7864c7fb4cfba13dfcb437a36e41b80
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C:\Windows \System32\netutils.dllMD5
39507d772c63ca496a25a14a8b5d14b2
SHA15b603f5c11eb9ab4313694315b4d4894ff4641d4
SHA25636d1fa474cd8271f9b74b9481025614b6ff309f767f69d9f1ff3960c7205ad12
SHA5120c740fd7b6d67d9938b0d8e1ea7d6c41910dd6d0b85b4ec8b6015ff8c0c73798dee01f01da0b5b0c07038663aca7945faca0e2b5afc1cb751aaba7567d332f5f
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\Windows \System32\NETUTILS.dllMD5
39507d772c63ca496a25a14a8b5d14b2
SHA15b603f5c11eb9ab4313694315b4d4894ff4641d4
SHA25636d1fa474cd8271f9b74b9481025614b6ff309f767f69d9f1ff3960c7205ad12
SHA5120c740fd7b6d67d9938b0d8e1ea7d6c41910dd6d0b85b4ec8b6015ff8c0c73798dee01f01da0b5b0c07038663aca7945faca0e2b5afc1cb751aaba7567d332f5f
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memory/1168-119-0x0000000000000000-mapping.dmp
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memory/1472-124-0x0000000000000000-mapping.dmp
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memory/1856-117-0x0000000000000000-mapping.dmp
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memory/2116-114-0x0000000002300000-0x0000000002301000-memory.dmpFilesize
4KB
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memory/2908-152-0x0000028445E80000-0x0000028445E82000-memory.dmpFilesize
8KB
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memory/2908-153-0x0000028445E83000-0x0000028445E85000-memory.dmpFilesize
8KB
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memory/2908-154-0x0000028445E86000-0x0000028445E88000-memory.dmpFilesize
8KB
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memory/2908-148-0x0000028448340000-0x0000028448341000-memory.dmpFilesize
4KB
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memory/2908-143-0x0000028447F90000-0x0000028447F91000-memory.dmpFilesize
4KB
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memory/2908-136-0x0000000000000000-mapping.dmp
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memory/3396-121-0x00000000024D0000-0x000000000251D000-memory.dmpFilesize
308KB
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memory/3396-116-0x000000000040CD2F-mapping.dmp
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memory/3396-131-0x0000000000400000-0x0000000000449000-memory.dmpFilesize
292KB
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memory/3396-135-0x0000000004B83000-0x0000000004B84000-memory.dmpFilesize
4KB
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memory/3396-133-0x0000000004B80000-0x0000000004B81000-memory.dmpFilesize
4KB
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memory/3396-137-0x0000000005090000-0x0000000005091000-memory.dmpFilesize
4KB
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memory/3396-130-0x00000000049E0000-0x0000000004A2C000-memory.dmpFilesize
304KB
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memory/3396-181-0x0000000005970000-0x0000000005971000-memory.dmpFilesize
4KB
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memory/3396-151-0x0000000004B84000-0x0000000004B86000-memory.dmpFilesize
8KB
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memory/3396-126-0x0000000004B90000-0x0000000004B91000-memory.dmpFilesize
4KB
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memory/3396-134-0x0000000004B82000-0x0000000004B83000-memory.dmpFilesize
4KB
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memory/3396-115-0x0000000000400000-0x0000000000449000-memory.dmpFilesize
292KB
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memory/3396-178-0x0000000005670000-0x0000000005671000-memory.dmpFilesize
4KB
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memory/3396-179-0x00000000056B0000-0x00000000056B1000-memory.dmpFilesize
4KB
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memory/3396-180-0x0000000005C20000-0x0000000005C21000-memory.dmpFilesize
4KB
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memory/3784-129-0x0000000000000000-mapping.dmp