Analysis
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max time kernel
81s -
max time network
18s -
platform
windows7_x64 -
resource
win7v20210408 -
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 3 IoCs
Processes:
resource yara_rule behavioral1/memory/1628-68-0x0000000000400000-0x0000000000466000-memory.dmp family_agenttesla behavioral1/memory/1628-69-0x00000000004618AE-mapping.dmp family_agenttesla behavioral1/memory/1628-70-0x0000000000400000-0x0000000000466000-memory.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-1-5-21-2455352368-1077083310-2879168483-1000\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 1608 set thread context of 1628 1608 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 1628 RegSvcs.exe 1628 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
bank account details.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 1608 bank account details.exe Token: SeDebugPrivilege 1628 RegSvcs.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
bank account details.exedescription pid process target process PID 1608 wrote to memory of 1300 1608 bank account details.exe schtasks.exe PID 1608 wrote to memory of 1300 1608 bank account details.exe schtasks.exe PID 1608 wrote to memory of 1300 1608 bank account details.exe schtasks.exe PID 1608 wrote to memory of 1300 1608 bank account details.exe schtasks.exe PID 1608 wrote to memory of 1628 1608 bank account details.exe RegSvcs.exe PID 1608 wrote to memory of 1628 1608 bank account details.exe RegSvcs.exe PID 1608 wrote to memory of 1628 1608 bank account details.exe RegSvcs.exe PID 1608 wrote to memory of 1628 1608 bank account details.exe RegSvcs.exe PID 1608 wrote to memory of 1628 1608 bank account details.exe RegSvcs.exe PID 1608 wrote to memory of 1628 1608 bank account details.exe RegSvcs.exe PID 1608 wrote to memory of 1628 1608 bank account details.exe RegSvcs.exe PID 1608 wrote to memory of 1628 1608 bank account details.exe RegSvcs.exe PID 1608 wrote to memory of 1628 1608 bank account details.exe RegSvcs.exe PID 1608 wrote to memory of 1628 1608 bank account details.exe RegSvcs.exe PID 1608 wrote to memory of 1628 1608 bank account details.exe RegSvcs.exe PID 1608 wrote to memory of 1628 1608 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\tmp3CD2.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
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Downloads
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C:\Users\Admin\AppData\Local\Temp\tmp3CD2.tmpMD5
7a858e105aabbf936eebdeddeb3aaede
SHA1762fa12e8ab9e53d60e20829293d5d1729e35179
SHA2565e6330712f9dd7ceee28cc823b4453f35b1808fb4bf6b18c03fb07cd27f0dd98
SHA51232258cb190d24829fc5e08d88888b36717ec5452149949e3d71d68f25b2c67dcb535ec6e8671016220225a1c4145f434d3ae0255cfa240b84d7fab9228f6b246
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memory/1300-66-0x0000000000000000-mapping.dmp
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memory/1608-64-0x0000000005ED0000-0x0000000005FAF000-memory.dmpFilesize
892KB
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memory/1608-60-0x0000000000850000-0x0000000000851000-memory.dmpFilesize
4KB
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memory/1608-65-0x0000000005FB0000-0x0000000006053000-memory.dmpFilesize
652KB
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memory/1608-63-0x0000000000440000-0x0000000000442000-memory.dmpFilesize
8KB
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memory/1608-62-0x0000000004F10000-0x0000000004F11000-memory.dmpFilesize
4KB
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memory/1628-68-0x0000000000400000-0x0000000000466000-memory.dmpFilesize
408KB
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memory/1628-69-0x00000000004618AE-mapping.dmp
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memory/1628-70-0x0000000000400000-0x0000000000466000-memory.dmpFilesize
408KB
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memory/1628-72-0x0000000075801000-0x0000000075803000-memory.dmpFilesize
8KB
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memory/1628-73-0x0000000004D70000-0x0000000004D71000-memory.dmpFilesize
4KB
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memory/1628-74-0x0000000004D71000-0x0000000004D72000-memory.dmpFilesize
4KB