Analysis
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max time kernel
43s -
max time network
132s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
27-07-2021 23:03
Static task
static1
Behavioral task
behavioral1
Sample
bank account details.exe
Resource
win7v20210408
Behavioral task
behavioral2
Sample
bank account details.exe
Resource
win10v20210410
General
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Target
bank account details.exe
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Size
1.1MB
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MD5
6fa33275b4f3de73faabdd5dc084f0c9
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SHA1
8b624a452820e2949eec05c2e16c6cb0cd685c12
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SHA256
54997c9767d784fc3d566238940f84541c4b614ec794aceeb84d2bb8a4104bf5
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SHA512
3854b0e82dae57b39d4cdbe4f82b044b08c618975878f68e2371e8de7df20c274a67187d1b02b1fcfe0153a195e6884bdba1bd23f55a0f315fe6823bb68cccbf
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.tejoofashions.com - Port:
587 - Username:
it@tejoofashions.com - Password:
OmiCron#2019
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/504-126-0x0000000000400000-0x0000000000466000-memory.dmp family_agenttesla behavioral2/memory/504-127-0x00000000004618AE-mapping.dmp family_agenttesla -
Drops file in Drivers directory 1 IoCs
Processes:
RegSvcs.exedescription ioc process File opened for modification C:\Windows\system32\drivers\etc\hosts RegSvcs.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
RegSvcs.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\WCPCe = "C:\\Users\\Admin\\AppData\\Roaming\\WCPCe\\WCPCe.exe" RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
bank account details.exedescription pid process target process PID 3904 set thread context of 504 3904 bank account details.exe RegSvcs.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 2 IoCs
Processes:
RegSvcs.exepid process 504 RegSvcs.exe 504 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
bank account details.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 3904 bank account details.exe Token: SeDebugPrivilege 504 RegSvcs.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
bank account details.exedescription pid process target process PID 3904 wrote to memory of 2100 3904 bank account details.exe schtasks.exe PID 3904 wrote to memory of 2100 3904 bank account details.exe schtasks.exe PID 3904 wrote to memory of 2100 3904 bank account details.exe schtasks.exe PID 3904 wrote to memory of 504 3904 bank account details.exe RegSvcs.exe PID 3904 wrote to memory of 504 3904 bank account details.exe RegSvcs.exe PID 3904 wrote to memory of 504 3904 bank account details.exe RegSvcs.exe PID 3904 wrote to memory of 504 3904 bank account details.exe RegSvcs.exe PID 3904 wrote to memory of 504 3904 bank account details.exe RegSvcs.exe PID 3904 wrote to memory of 504 3904 bank account details.exe RegSvcs.exe PID 3904 wrote to memory of 504 3904 bank account details.exe RegSvcs.exe PID 3904 wrote to memory of 504 3904 bank account details.exe RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\bank account details.exe"C:\Users\Admin\AppData\Local\Temp\bank account details.exe"1⤵
- Suspicious use of SetThreadContext
- 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\ArWDYnLWLZTNbv" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAF8F.tmp"2⤵
- Creates scheduled task(s)
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- 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\Temp\tmpAF8F.tmpMD5
c8a410ca267af65ef7ec13ae23514f9f
SHA1d0f9753741489bba5d54e752c6f796a036c75e74
SHA25647b5b87e96ef37fd991798da6cbd4e686b392bef1e2fcccf9e3f40a015560250
SHA5125e8f210ae9a31387bd2ebf6354b57358f0d914301a5c766fba13ecf44753373ef34e8117c0ff70fb4baff4b66360410b87c9d9eec3d214a57b6a8b94d49b1a3e
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memory/504-137-0x0000000005051000-0x0000000005052000-memory.dmpFilesize
4KB
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memory/504-134-0x00000000052F0000-0x00000000052F1000-memory.dmpFilesize
4KB
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memory/504-133-0x00000000051B0000-0x00000000051B1000-memory.dmpFilesize
4KB
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memory/504-132-0x0000000005050000-0x0000000005051000-memory.dmpFilesize
4KB
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memory/504-127-0x00000000004618AE-mapping.dmp
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memory/504-126-0x0000000000400000-0x0000000000466000-memory.dmpFilesize
408KB
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memory/2100-124-0x0000000000000000-mapping.dmp
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memory/3904-119-0x0000000004B60000-0x000000000505E000-memory.dmpFilesize
5.0MB
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memory/3904-123-0x00000000082F0000-0x0000000008393000-memory.dmpFilesize
652KB
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memory/3904-122-0x0000000008210000-0x00000000082EF000-memory.dmpFilesize
892KB
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memory/3904-121-0x0000000006600000-0x0000000006601000-memory.dmpFilesize
4KB
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memory/3904-120-0x0000000005050000-0x0000000005052000-memory.dmpFilesize
8KB
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memory/3904-114-0x0000000000120000-0x0000000000121000-memory.dmpFilesize
4KB
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memory/3904-118-0x0000000004A70000-0x0000000004A71000-memory.dmpFilesize
4KB
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memory/3904-117-0x0000000004A90000-0x0000000004A91000-memory.dmpFilesize
4KB
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memory/3904-116-0x0000000005060000-0x0000000005061000-memory.dmpFilesize
4KB