Analysis
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max time kernel
96s -
max time network
74s -
platform
windows7_x64 -
resource
win7 -
submitted
13/07/2020, 07:30
Static task
static1
Behavioral task
behavioral1
Sample
STATEMENTS AND OUTSTANDING AMOUNTS.exe
Resource
win7
Behavioral task
behavioral2
Sample
STATEMENTS AND OUTSTANDING AMOUNTS.exe
Resource
win10v200430
General
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Target
STATEMENTS AND OUTSTANDING AMOUNTS.exe
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Size
573KB
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MD5
457de5690dbc92ae0e5e936846695dd6
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SHA1
982c5af6b7784831bd9a28798142417358f2fec8
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SHA256
f56840640186247deee56a36d22de91915a650be338be46de501c9a6ec67d4ea
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SHA512
d0cb7e61aa3b01a45d29122a08318d453ea4f576942dbb1978e55b443a921e8af32f2cfc775d7afe65c130c550ef85005f92adb4e593df9231e00ca82653f5cd
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.varda.com.tr - Port:
587 - Username:
[email protected] - Password:
varda9997929
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 4 IoCs
resource yara_rule behavioral1/memory/744-4-0x0000000000400000-0x0000000000474000-memory.dmp family_agenttesla behavioral1/memory/744-5-0x0000000000446E1E-mapping.dmp family_agenttesla behavioral1/memory/744-6-0x0000000000400000-0x0000000000474000-memory.dmp family_agenttesla behavioral1/memory/744-7-0x0000000000400000-0x0000000000474000-memory.dmp family_agenttesla -
Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\system32\drivers\etc\hosts RegSvcs.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Run\CpSnJ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\CpSnJ\\CpSnJ.exe" RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 616 set thread context of 744 616 STATEMENTS AND OUTSTANDING AMOUNTS.exe 26 -
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.
pid Process 112 schtasks.exe -
Modifies registry key 1 TTPs 1 IoCs
pid Process 1936 REG.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 616 STATEMENTS AND OUTSTANDING AMOUNTS.exe 744 RegSvcs.exe 744 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 616 STATEMENTS AND OUTSTANDING AMOUNTS.exe Token: SeDebugPrivilege 744 RegSvcs.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 616 wrote to memory of 112 616 STATEMENTS AND OUTSTANDING AMOUNTS.exe 24 PID 616 wrote to memory of 112 616 STATEMENTS AND OUTSTANDING AMOUNTS.exe 24 PID 616 wrote to memory of 112 616 STATEMENTS AND OUTSTANDING AMOUNTS.exe 24 PID 616 wrote to memory of 112 616 STATEMENTS AND OUTSTANDING AMOUNTS.exe 24 PID 616 wrote to memory of 744 616 STATEMENTS AND OUTSTANDING AMOUNTS.exe 26 PID 616 wrote to memory of 744 616 STATEMENTS AND OUTSTANDING AMOUNTS.exe 26 PID 616 wrote to memory of 744 616 STATEMENTS AND OUTSTANDING AMOUNTS.exe 26 PID 616 wrote to memory of 744 616 STATEMENTS AND OUTSTANDING AMOUNTS.exe 26 PID 616 wrote to memory of 744 616 STATEMENTS AND OUTSTANDING AMOUNTS.exe 26 PID 616 wrote to memory of 744 616 STATEMENTS AND OUTSTANDING AMOUNTS.exe 26 PID 616 wrote to memory of 744 616 STATEMENTS AND OUTSTANDING AMOUNTS.exe 26 PID 616 wrote to memory of 744 616 STATEMENTS AND OUTSTANDING AMOUNTS.exe 26 PID 616 wrote to memory of 744 616 STATEMENTS AND OUTSTANDING AMOUNTS.exe 26 PID 616 wrote to memory of 744 616 STATEMENTS AND OUTSTANDING AMOUNTS.exe 26 PID 616 wrote to memory of 744 616 STATEMENTS AND OUTSTANDING AMOUNTS.exe 26 PID 616 wrote to memory of 744 616 STATEMENTS AND OUTSTANDING AMOUNTS.exe 26 PID 744 wrote to memory of 1936 744 RegSvcs.exe 30 PID 744 wrote to memory of 1936 744 RegSvcs.exe 30 PID 744 wrote to memory of 1936 744 RegSvcs.exe 30 PID 744 wrote to memory of 1936 744 RegSvcs.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\STATEMENTS AND OUTSTANDING AMOUNTS.exe"C:\Users\Admin\AppData\Local\Temp\STATEMENTS AND OUTSTANDING AMOUNTS.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:616 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\iTYdcX" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAEB5.tmp"2⤵
- Creates scheduled task(s)
PID:112
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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
- Suspicious use of WriteProcessMemory
PID:744 -
C:\Windows\SysWOW64\REG.exeREG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System / v DisableTaskMgr / t REG_DWORD / d 1 / f3⤵
- Modifies registry key
PID:1936
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